File: | root/firefox-clang/third_party/rust/glslopt/glsl-optimizer/src/mesa/main/mtypes.h |
Warning: | line 4846, column 8 Excessive padding in 'struct gl_context' (56 padding bytes, where 0 is optimal). Optimal fields order: Shared, Exec, OutsideBeginEnd, Save, BeginEnd, ContextLost, MarshalExec, CurrentClientDispatch, CurrentServerDispatch, DrawBuffer, ReadBuffer, WinSysDrawBuffer, WinSysReadBuffer, CurrentStack, VersionString, GeometryProgram, ComputeProgram, TessEvalProgram, _Shader, SoftFP64, PerfQuery, DrawIndirectBuffer, ParameterBuffer, DispatchIndirectBuffer, CopyReadBuffer, CopyWriteBuffer, QueryBuffer, UniformBuffer, ShaderStorageBuffer, AtomicBuffer, ExternalVirtualMemoryBuffer, Meta, CurrentRenderbuffer, ErrorDebugFmtString, Debug, NewDriverState, ListExt, swrast_context, swsetup_context, swtnl_context, vbo_context, st, vdpDevice, vdpGetProcAddress, vdpSurfaces, Cache, ResidentTextureHandles, ResidentImageHandles, Program, _ModelProjectMatrix, Feedback, Pipeline, PerfMonitor, ModelviewMatrixStack, ProjectionMatrixStack, Depth, TessCtrlProgram, TransformFeedback, DebugMutex, Pack, Unpack, DefaultPacking, SubroutineIndex, AttribStack, ClientAttribStack, Shader, ATIFragmentShader, Query, ProgramMatrixStack, Extensions, Select, DriverFlags, EvalMap, TextureMatrixStack, Driver, ListState, Const, Array, UniformBufferBindings, AtomicBufferBindings, ShaderStorageBufferBindings, FragmentProgram, VertexProgram, ImageUnits, Texture, GLThread, API, Version, AttribStackDepth, List, ClientAttribStackDepth, ErrorDebugCount, NewState, varying_vp_inputs, _ImageTransferState, _ModelViewInvScale, _ModelViewInvScaleEyespace, TextureStateTimestamp, ConservativeRasterDilate, SubpixelPrecisionBias, Line, _EyeZDir, Accum, Hint, Multisample, PrimitiveBoundingBox, Polygon, Point, Fog, Pixel, Eval, Stencil, PolygonStipple, Visual, Color, Transform, Scissor, ViewportArray, Current, Light, PixelMaps, ErrorValue, RenderMode, ConservativeRasterMode, ExecuteFlag, CompileFlag, ViewportInitialized, _AllowDrawOutOfOrder, _NeedEyeCoords, _ForceEyeCoords, FirstTimeCurrent, HasConfig, RasterDiscard, IntelConservativeRasterization, ConservativeRasterization, IntelBlackholeRender, _AttribZeroAliasesVertex, TileRasterOrderFixed, TileRasterOrderIncreasingX, TileRasterOrderIncreasingY, ShareGroupReset, shader_builtin_ref, TextureFormatSupported, consider reordering the fields or adding explicit padding members |
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1 | /* |
2 | * Mesa 3-D graphics library |
3 | * |
4 | * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
5 | * Copyright (C) 2009 VMware, Inc. All Rights Reserved. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a |
8 | * copy of this software and associated documentation files (the "Software"), |
9 | * to deal in the Software without restriction, including without limitation |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
11 | * and/or sell copies of the Software, and to permit persons to whom the |
12 | * Software is furnished to do so, subject to the following conditions: |
13 | * |
14 | * The above copyright notice and this permission notice shall be included |
15 | * in all copies or substantial portions of the Software. |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
21 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
22 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
23 | * OTHER DEALINGS IN THE SOFTWARE. |
24 | */ |
25 | |
26 | /** |
27 | * \file mtypes.h |
28 | * Main Mesa data structures. |
29 | * |
30 | * Please try to mark derived values with a leading underscore ('_'). |
31 | */ |
32 | |
33 | #ifndef MTYPES_H |
34 | #define MTYPES_H |
35 | |
36 | |
37 | #include <stdint.h> /* uint32_t */ |
38 | #include <stdbool.h> |
39 | #include "c11/threads.h" |
40 | |
41 | #include "main/glheader.h" |
42 | #include "main/glthread.h" |
43 | #include "main/menums.h" |
44 | #include "main/config.h" |
45 | #include "glapi/glapi.h" |
46 | #include "math/m_matrix.h" /* GLmatrix */ |
47 | #include "compiler/shader_enums.h" |
48 | #include "compiler/shader_info.h" |
49 | #include "main/formats.h" /* MESA_FORMAT_COUNT */ |
50 | #include "compiler/glsl/list.h" |
51 | #include "util/simple_mtx.h" |
52 | #include "util/u_dynarray.h" |
53 | |
54 | |
55 | #ifdef __cplusplus |
56 | extern "C" { |
57 | #endif |
58 | |
59 | #define GET_COLORMASK_BIT(mask, buf, chan)(((mask) >> (4 * (buf) + (chan))) & 0x1) (((mask) >> (4 * (buf) + (chan))) & 0x1) |
60 | #define GET_COLORMASK(mask, buf)(((mask) >> (4 * (buf))) & 0xf) (((mask) >> (4 * (buf))) & 0xf) |
61 | |
62 | |
63 | /** |
64 | * \name Some forward type declarations |
65 | */ |
66 | /*@{*/ |
67 | struct _mesa_HashTable; |
68 | struct gl_attrib_node; |
69 | struct gl_list_extensions; |
70 | struct gl_meta_state; |
71 | struct gl_program_cache; |
72 | struct gl_texture_object; |
73 | struct gl_debug_state; |
74 | struct gl_context; |
75 | struct st_context; |
76 | struct gl_uniform_storage; |
77 | struct prog_instruction; |
78 | struct gl_program_parameter_list; |
79 | struct gl_shader_spirv_data; |
80 | struct set; |
81 | struct shader_includes; |
82 | struct vbo_context; |
83 | /*@}*/ |
84 | |
85 | |
86 | /** Extra draw modes beyond GL_POINTS, GL_TRIANGLE_FAN, etc */ |
87 | #define PRIM_MAX0x000E GL_PATCHES0x000E |
88 | #define PRIM_OUTSIDE_BEGIN_END(0x000E + 1) (PRIM_MAX0x000E + 1) |
89 | #define PRIM_UNKNOWN(0x000E + 2) (PRIM_MAX0x000E + 2) |
90 | |
91 | /** |
92 | * Determine if the given gl_varying_slot appears in the fragment shader. |
93 | */ |
94 | static inline__inline__ GLboolean |
95 | _mesa_varying_slot_in_fs(gl_varying_slot slot) |
96 | { |
97 | switch (slot) { |
98 | case VARYING_SLOT_PSIZ: |
99 | case VARYING_SLOT_BFC0: |
100 | case VARYING_SLOT_BFC1: |
101 | case VARYING_SLOT_EDGE: |
102 | case VARYING_SLOT_CLIP_VERTEX: |
103 | case VARYING_SLOT_LAYER: |
104 | case VARYING_SLOT_TESS_LEVEL_OUTER: |
105 | case VARYING_SLOT_TESS_LEVEL_INNER: |
106 | case VARYING_SLOT_BOUNDING_BOX0: |
107 | case VARYING_SLOT_BOUNDING_BOX1: |
108 | case VARYING_SLOT_VIEWPORT_MASK: |
109 | return GL_FALSE0; |
110 | default: |
111 | return GL_TRUE1; |
112 | } |
113 | } |
114 | |
115 | /** |
116 | * Bit flags for all renderbuffers |
117 | */ |
118 | #define BUFFER_BIT_FRONT_LEFT(1 << BUFFER_FRONT_LEFT) (1 << BUFFER_FRONT_LEFT) |
119 | #define BUFFER_BIT_BACK_LEFT(1 << BUFFER_BACK_LEFT) (1 << BUFFER_BACK_LEFT) |
120 | #define BUFFER_BIT_FRONT_RIGHT(1 << BUFFER_FRONT_RIGHT) (1 << BUFFER_FRONT_RIGHT) |
121 | #define BUFFER_BIT_BACK_RIGHT(1 << BUFFER_BACK_RIGHT) (1 << BUFFER_BACK_RIGHT) |
122 | #define BUFFER_BIT_AUX0(1 << BUFFER_AUX0) (1 << BUFFER_AUX0) |
123 | #define BUFFER_BIT_AUX1(1 << BUFFER_AUX1) (1 << BUFFER_AUX1) |
124 | #define BUFFER_BIT_AUX2(1 << BUFFER_AUX2) (1 << BUFFER_AUX2) |
125 | #define BUFFER_BIT_AUX3(1 << BUFFER_AUX3) (1 << BUFFER_AUX3) |
126 | #define BUFFER_BIT_DEPTH(1 << BUFFER_DEPTH) (1 << BUFFER_DEPTH) |
127 | #define BUFFER_BIT_STENCIL(1 << BUFFER_STENCIL) (1 << BUFFER_STENCIL) |
128 | #define BUFFER_BIT_ACCUM(1 << BUFFER_ACCUM) (1 << BUFFER_ACCUM) |
129 | #define BUFFER_BIT_COLOR0(1 << BUFFER_COLOR0) (1 << BUFFER_COLOR0) |
130 | #define BUFFER_BIT_COLOR1(1 << BUFFER_COLOR1) (1 << BUFFER_COLOR1) |
131 | #define BUFFER_BIT_COLOR2(1 << BUFFER_COLOR2) (1 << BUFFER_COLOR2) |
132 | #define BUFFER_BIT_COLOR3(1 << BUFFER_COLOR3) (1 << BUFFER_COLOR3) |
133 | #define BUFFER_BIT_COLOR4(1 << BUFFER_COLOR4) (1 << BUFFER_COLOR4) |
134 | #define BUFFER_BIT_COLOR5(1 << BUFFER_COLOR5) (1 << BUFFER_COLOR5) |
135 | #define BUFFER_BIT_COLOR6(1 << BUFFER_COLOR6) (1 << BUFFER_COLOR6) |
136 | #define BUFFER_BIT_COLOR7(1 << BUFFER_COLOR7) (1 << BUFFER_COLOR7) |
137 | |
138 | /** |
139 | * Mask of all the color buffer bits (but not accum). |
140 | */ |
141 | #define BUFFER_BITS_COLOR((1 << BUFFER_FRONT_LEFT) | (1 << BUFFER_BACK_LEFT ) | (1 << BUFFER_FRONT_RIGHT) | (1 << BUFFER_BACK_RIGHT ) | (1 << BUFFER_AUX0) | (1 << BUFFER_COLOR0) | ( 1 << BUFFER_COLOR1) | (1 << BUFFER_COLOR2) | (1 << BUFFER_COLOR3) | (1 << BUFFER_COLOR4) | (1 << BUFFER_COLOR5 ) | (1 << BUFFER_COLOR6) | (1 << BUFFER_COLOR7)) (BUFFER_BIT_FRONT_LEFT(1 << BUFFER_FRONT_LEFT) | \ |
142 | BUFFER_BIT_BACK_LEFT(1 << BUFFER_BACK_LEFT) | \ |
143 | BUFFER_BIT_FRONT_RIGHT(1 << BUFFER_FRONT_RIGHT) | \ |
144 | BUFFER_BIT_BACK_RIGHT(1 << BUFFER_BACK_RIGHT) | \ |
145 | BUFFER_BIT_AUX0(1 << BUFFER_AUX0) | \ |
146 | BUFFER_BIT_COLOR0(1 << BUFFER_COLOR0) | \ |
147 | BUFFER_BIT_COLOR1(1 << BUFFER_COLOR1) | \ |
148 | BUFFER_BIT_COLOR2(1 << BUFFER_COLOR2) | \ |
149 | BUFFER_BIT_COLOR3(1 << BUFFER_COLOR3) | \ |
150 | BUFFER_BIT_COLOR4(1 << BUFFER_COLOR4) | \ |
151 | BUFFER_BIT_COLOR5(1 << BUFFER_COLOR5) | \ |
152 | BUFFER_BIT_COLOR6(1 << BUFFER_COLOR6) | \ |
153 | BUFFER_BIT_COLOR7(1 << BUFFER_COLOR7)) |
154 | |
155 | /* Mask of bits for depth+stencil buffers */ |
156 | #define BUFFER_BITS_DEPTH_STENCIL((1 << BUFFER_DEPTH) | (1 << BUFFER_STENCIL)) (BUFFER_BIT_DEPTH(1 << BUFFER_DEPTH) | BUFFER_BIT_STENCIL(1 << BUFFER_STENCIL)) |
157 | |
158 | /** |
159 | * Framebuffer configuration (aka visual / pixelformat) |
160 | * Note: some of these fields should be boolean, but it appears that |
161 | * code in drivers/dri/common/util.c requires int-sized fields. |
162 | */ |
163 | struct gl_config |
164 | { |
165 | GLboolean floatMode; |
166 | GLuint doubleBufferMode; |
167 | GLuint stereoMode; |
168 | |
169 | GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */ |
170 | GLuint redMask, greenMask, blueMask, alphaMask; |
171 | GLint redShift, greenShift, blueShift, alphaShift; |
172 | GLint rgbBits; /* total bits for rgb */ |
173 | |
174 | GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits; |
175 | GLint depthBits; |
176 | GLint stencilBits; |
177 | |
178 | GLint numAuxBuffers; |
179 | |
180 | GLint level; |
181 | |
182 | /* EXT_visual_rating / GLX 1.2 */ |
183 | GLint visualRating; |
184 | |
185 | /* EXT_visual_info / GLX 1.2 */ |
186 | GLint transparentPixel; |
187 | /* colors are floats scaled to ints */ |
188 | GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha; |
189 | GLint transparentIndex; |
190 | |
191 | /* ARB_multisample / SGIS_multisample */ |
192 | GLint sampleBuffers; |
193 | GLuint samples; |
194 | |
195 | /* SGIX_pbuffer / GLX 1.3 */ |
196 | GLint maxPbufferWidth; |
197 | GLint maxPbufferHeight; |
198 | GLint maxPbufferPixels; |
199 | GLint optimalPbufferWidth; /* Only for SGIX_pbuffer. */ |
200 | GLint optimalPbufferHeight; /* Only for SGIX_pbuffer. */ |
201 | |
202 | /* OML_swap_method */ |
203 | GLint swapMethod; |
204 | |
205 | /* EXT_texture_from_pixmap */ |
206 | GLint bindToTextureRgb; |
207 | GLint bindToTextureRgba; |
208 | GLint bindToMipmapTexture; |
209 | GLint bindToTextureTargets; |
210 | GLint yInverted; |
211 | |
212 | /* EXT_framebuffer_sRGB */ |
213 | GLint sRGBCapable; |
214 | |
215 | /* EGL_KHR_mutable_render_buffer */ |
216 | GLuint mutableRenderBuffer; /* bool */ |
217 | }; |
218 | |
219 | |
220 | /** |
221 | * \name Bit flags used for updating material values. |
222 | */ |
223 | /*@{*/ |
224 | #define MAT_ATTRIB_FRONT_AMBIENT0 0 |
225 | #define MAT_ATTRIB_BACK_AMBIENT1 1 |
226 | #define MAT_ATTRIB_FRONT_DIFFUSE2 2 |
227 | #define MAT_ATTRIB_BACK_DIFFUSE3 3 |
228 | #define MAT_ATTRIB_FRONT_SPECULAR4 4 |
229 | #define MAT_ATTRIB_BACK_SPECULAR5 5 |
230 | #define MAT_ATTRIB_FRONT_EMISSION6 6 |
231 | #define MAT_ATTRIB_BACK_EMISSION7 7 |
232 | #define MAT_ATTRIB_FRONT_SHININESS8 8 |
233 | #define MAT_ATTRIB_BACK_SHININESS9 9 |
234 | #define MAT_ATTRIB_FRONT_INDEXES10 10 |
235 | #define MAT_ATTRIB_BACK_INDEXES11 11 |
236 | #define MAT_ATTRIB_MAX12 12 |
237 | |
238 | #define MAT_ATTRIB_AMBIENT(f)(0 +(f)) (MAT_ATTRIB_FRONT_AMBIENT0+(f)) |
239 | #define MAT_ATTRIB_DIFFUSE(f)(2 +(f)) (MAT_ATTRIB_FRONT_DIFFUSE2+(f)) |
240 | #define MAT_ATTRIB_SPECULAR(f)(4 +(f)) (MAT_ATTRIB_FRONT_SPECULAR4+(f)) |
241 | #define MAT_ATTRIB_EMISSION(f)(6 +(f)) (MAT_ATTRIB_FRONT_EMISSION6+(f)) |
242 | #define MAT_ATTRIB_SHININESS(f)(8 +(f))(MAT_ATTRIB_FRONT_SHININESS8+(f)) |
243 | #define MAT_ATTRIB_INDEXES(f)(10 +(f)) (MAT_ATTRIB_FRONT_INDEXES10+(f)) |
244 | |
245 | #define MAT_BIT_FRONT_AMBIENT(1<<0) (1<<MAT_ATTRIB_FRONT_AMBIENT0) |
246 | #define MAT_BIT_BACK_AMBIENT(1<<1) (1<<MAT_ATTRIB_BACK_AMBIENT1) |
247 | #define MAT_BIT_FRONT_DIFFUSE(1<<2) (1<<MAT_ATTRIB_FRONT_DIFFUSE2) |
248 | #define MAT_BIT_BACK_DIFFUSE(1<<3) (1<<MAT_ATTRIB_BACK_DIFFUSE3) |
249 | #define MAT_BIT_FRONT_SPECULAR(1<<4) (1<<MAT_ATTRIB_FRONT_SPECULAR4) |
250 | #define MAT_BIT_BACK_SPECULAR(1<<5) (1<<MAT_ATTRIB_BACK_SPECULAR5) |
251 | #define MAT_BIT_FRONT_EMISSION(1<<6) (1<<MAT_ATTRIB_FRONT_EMISSION6) |
252 | #define MAT_BIT_BACK_EMISSION(1<<7) (1<<MAT_ATTRIB_BACK_EMISSION7) |
253 | #define MAT_BIT_FRONT_SHININESS(1<<8) (1<<MAT_ATTRIB_FRONT_SHININESS8) |
254 | #define MAT_BIT_BACK_SHININESS(1<<9) (1<<MAT_ATTRIB_BACK_SHININESS9) |
255 | #define MAT_BIT_FRONT_INDEXES(1<<10) (1<<MAT_ATTRIB_FRONT_INDEXES10) |
256 | #define MAT_BIT_BACK_INDEXES(1<<11) (1<<MAT_ATTRIB_BACK_INDEXES11) |
257 | |
258 | |
259 | #define FRONT_MATERIAL_BITS((1<<6) | (1<<0) | (1<<2) | (1<<4) | ( 1<<8) | (1<<10)) (MAT_BIT_FRONT_EMISSION(1<<6) | \ |
260 | MAT_BIT_FRONT_AMBIENT(1<<0) | \ |
261 | MAT_BIT_FRONT_DIFFUSE(1<<2) | \ |
262 | MAT_BIT_FRONT_SPECULAR(1<<4) | \ |
263 | MAT_BIT_FRONT_SHININESS(1<<8) | \ |
264 | MAT_BIT_FRONT_INDEXES(1<<10)) |
265 | |
266 | #define BACK_MATERIAL_BITS((1<<7) | (1<<1) | (1<<3) | (1<<5) | ( 1<<9) | (1<<11)) (MAT_BIT_BACK_EMISSION(1<<7) | \ |
267 | MAT_BIT_BACK_AMBIENT(1<<1) | \ |
268 | MAT_BIT_BACK_DIFFUSE(1<<3) | \ |
269 | MAT_BIT_BACK_SPECULAR(1<<5) | \ |
270 | MAT_BIT_BACK_SHININESS(1<<9) | \ |
271 | MAT_BIT_BACK_INDEXES(1<<11)) |
272 | |
273 | #define ALL_MATERIAL_BITS(((1<<6) | (1<<0) | (1<<2) | (1<<4) | (1<<8) | (1<<10)) | ((1<<7) | (1<<1) | (1<<3) | (1<<5) | (1<<9) | (1<<11) )) (FRONT_MATERIAL_BITS((1<<6) | (1<<0) | (1<<2) | (1<<4) | ( 1<<8) | (1<<10)) | BACK_MATERIAL_BITS((1<<7) | (1<<1) | (1<<3) | (1<<5) | ( 1<<9) | (1<<11))) |
274 | /*@}*/ |
275 | |
276 | |
277 | /** |
278 | * Material state. |
279 | */ |
280 | struct gl_material |
281 | { |
282 | GLfloat Attrib[MAT_ATTRIB_MAX12][4]; |
283 | }; |
284 | |
285 | |
286 | /** |
287 | * Light state flags. |
288 | */ |
289 | /*@{*/ |
290 | #define LIGHT_SPOT0x1 0x1 |
291 | #define LIGHT_LOCAL_VIEWER0x2 0x2 |
292 | #define LIGHT_POSITIONAL0x4 0x4 |
293 | #define LIGHT_NEED_VERTICES(0x4|0x2) (LIGHT_POSITIONAL0x4|LIGHT_LOCAL_VIEWER0x2) |
294 | /*@}*/ |
295 | |
296 | |
297 | /** |
298 | * Light source state. |
299 | */ |
300 | struct gl_light |
301 | { |
302 | GLfloat Ambient[4]; /**< ambient color */ |
303 | GLfloat Diffuse[4]; /**< diffuse color */ |
304 | GLfloat Specular[4]; /**< specular color */ |
305 | GLfloat EyePosition[4]; /**< position in eye coordinates */ |
306 | GLfloat SpotDirection[4]; /**< spotlight direction in eye coordinates */ |
307 | GLfloat SpotExponent; |
308 | GLfloat SpotCutoff; /**< in degrees */ |
309 | GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */ |
310 | GLfloat ConstantAttenuation; |
311 | GLfloat LinearAttenuation; |
312 | GLfloat QuadraticAttenuation; |
313 | GLboolean Enabled; /**< On/off flag */ |
314 | |
315 | /** |
316 | * \name Derived fields |
317 | */ |
318 | /*@{*/ |
319 | GLbitfield _Flags; /**< Mask of LIGHT_x bits defined above */ |
320 | |
321 | GLfloat _Position[4]; /**< position in eye/obj coordinates */ |
322 | GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */ |
323 | GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */ |
324 | GLfloat _NormSpotDirection[4]; /**< normalized spotlight direction */ |
325 | GLfloat _VP_inf_spot_attenuation; |
326 | |
327 | GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */ |
328 | GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */ |
329 | GLfloat _MatSpecular[2][3]; /**< material spec * light specular */ |
330 | /*@}*/ |
331 | }; |
332 | |
333 | |
334 | /** |
335 | * Light model state. |
336 | */ |
337 | struct gl_lightmodel |
338 | { |
339 | GLfloat Ambient[4]; /**< ambient color */ |
340 | GLboolean LocalViewer; /**< Local (or infinite) view point? */ |
341 | GLboolean TwoSide; /**< Two (or one) sided lighting? */ |
342 | GLenum16 ColorControl; /**< either GL_SINGLE_COLOR |
343 | or GL_SEPARATE_SPECULAR_COLOR */ |
344 | }; |
345 | |
346 | |
347 | /** |
348 | * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT) |
349 | */ |
350 | struct gl_accum_attrib |
351 | { |
352 | GLfloat ClearColor[4]; /**< Accumulation buffer clear color */ |
353 | }; |
354 | |
355 | |
356 | /** |
357 | * Used for storing clear color, texture border color, etc. |
358 | * The float values are typically unclamped. |
359 | */ |
360 | union gl_color_union |
361 | { |
362 | GLfloat f[4]; |
363 | GLint i[4]; |
364 | GLuint ui[4]; |
365 | }; |
366 | |
367 | |
368 | /** |
369 | * Color buffer attribute group (GL_COLOR_BUFFER_BIT). |
370 | */ |
371 | struct gl_colorbuffer_attrib |
372 | { |
373 | GLuint ClearIndex; /**< Index for glClear */ |
374 | union gl_color_union ClearColor; /**< Color for glClear, unclamped */ |
375 | GLuint IndexMask; /**< Color index write mask */ |
376 | |
377 | /** 4 colormask bits per draw buffer, max 8 draw buffers. 4*8 = 32 bits */ |
378 | GLbitfield ColorMask; |
379 | |
380 | GLenum16 DrawBuffer[MAX_DRAW_BUFFERS8]; /**< Which buffer to draw into */ |
381 | |
382 | /** |
383 | * \name alpha testing |
384 | */ |
385 | /*@{*/ |
386 | GLboolean AlphaEnabled; /**< Alpha test enabled flag */ |
387 | GLenum16 AlphaFunc; /**< Alpha test function */ |
388 | GLfloat AlphaRefUnclamped; |
389 | GLclampf AlphaRef; /**< Alpha reference value */ |
390 | /*@}*/ |
391 | |
392 | /** |
393 | * \name Blending |
394 | */ |
395 | /*@{*/ |
396 | GLbitfield BlendEnabled; /**< Per-buffer blend enable flags */ |
397 | |
398 | /* NOTE: this does _not_ depend on fragment clamping or any other clamping |
399 | * control, only on the fixed-pointness of the render target. |
400 | * The query does however depend on fragment color clamping. |
401 | */ |
402 | GLfloat BlendColorUnclamped[4]; /**< Blending color */ |
403 | GLfloat BlendColor[4]; /**< Blending color */ |
404 | |
405 | struct |
406 | { |
407 | GLenum16 SrcRGB; /**< RGB blend source term */ |
408 | GLenum16 DstRGB; /**< RGB blend dest term */ |
409 | GLenum16 SrcA; /**< Alpha blend source term */ |
410 | GLenum16 DstA; /**< Alpha blend dest term */ |
411 | GLenum16 EquationRGB; /**< GL_ADD, GL_SUBTRACT, etc. */ |
412 | GLenum16 EquationA; /**< GL_ADD, GL_SUBTRACT, etc. */ |
413 | /** |
414 | * Set if any blend factor uses SRC1. Computed at the time blend factors |
415 | * get set. |
416 | */ |
417 | GLboolean _UsesDualSrc; |
418 | } Blend[MAX_DRAW_BUFFERS8]; |
419 | /** Are the blend func terms currently different for each buffer/target? */ |
420 | GLboolean _BlendFuncPerBuffer; |
421 | /** Are the blend equations currently different for each buffer/target? */ |
422 | GLboolean _BlendEquationPerBuffer; |
423 | |
424 | /** |
425 | * Which advanced blending mode is in use (or BLEND_NONE). |
426 | * |
427 | * KHR_blend_equation_advanced only allows advanced blending with a single |
428 | * draw buffer, and NVX_blend_equation_advanced_multi_draw_buffer still |
429 | * requires all draw buffers to match, so we only need a single value. |
430 | */ |
431 | enum gl_advanced_blend_mode _AdvancedBlendMode; |
432 | |
433 | /** Coherency requested via glEnable(GL_BLEND_ADVANCED_COHERENT_KHR)? */ |
434 | bool_Bool BlendCoherent; |
435 | /*@}*/ |
436 | |
437 | /** |
438 | * \name Logic op |
439 | */ |
440 | /*@{*/ |
441 | GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */ |
442 | GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */ |
443 | GLenum16 LogicOp; /**< Logic operator */ |
444 | enum gl_logicop_mode _LogicOp; |
445 | /*@}*/ |
446 | |
447 | GLboolean DitherFlag; /**< Dither enable flag */ |
448 | |
449 | GLboolean _ClampFragmentColor; /** < with GL_FIXED_ONLY_ARB resolved */ |
450 | GLenum16 ClampFragmentColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */ |
451 | GLenum16 ClampReadColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */ |
452 | |
453 | GLboolean sRGBEnabled; /**< Framebuffer sRGB blending/updating requested */ |
454 | }; |
455 | |
456 | |
457 | /** |
458 | * Vertex format to describe a vertex element. |
459 | */ |
460 | struct gl_vertex_format |
461 | { |
462 | GLenum16 Type; /**< datatype: GL_FLOAT, GL_INT, etc */ |
463 | GLenum16 Format; /**< default: GL_RGBA, but may be GL_BGRA */ |
464 | enum pipe_format _PipeFormat:16; /**< pipe_format for Gallium */ |
465 | GLubyte Size:5; /**< components per element (1,2,3,4) */ |
466 | GLubyte Normalized:1; /**< GL_ARB_vertex_program */ |
467 | GLubyte Integer:1; /**< Integer-valued? */ |
468 | GLubyte Doubles:1; /**< double values are not converted to floats */ |
469 | GLubyte _ElementSize; /**< Size of each element in bytes */ |
470 | }; |
471 | |
472 | |
473 | /** |
474 | * Current attribute group (GL_CURRENT_BIT). |
475 | */ |
476 | struct gl_current_attrib |
477 | { |
478 | /** |
479 | * \name Current vertex attributes (color, texcoords, etc). |
480 | * \note Values are valid only after FLUSH_VERTICES has been called. |
481 | * \note Index and Edgeflag current values are stored as floats in the |
482 | * SIX and SEVEN attribute slots. |
483 | * \note We need double storage for 64-bit vertex attributes |
484 | */ |
485 | GLfloat Attrib[VERT_ATTRIB_MAX][4*2]; |
486 | |
487 | /** |
488 | * \name Current raster position attributes (always up to date after a |
489 | * glRasterPos call). |
490 | */ |
491 | GLfloat RasterPos[4]; |
492 | GLfloat RasterDistance; |
493 | GLfloat RasterColor[4]; |
494 | GLfloat RasterSecondaryColor[4]; |
495 | GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS8][4]; |
496 | GLboolean RasterPosValid; |
497 | }; |
498 | |
499 | |
500 | /** |
501 | * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT). |
502 | */ |
503 | struct gl_depthbuffer_attrib |
504 | { |
505 | GLenum16 Func; /**< Function for depth buffer compare */ |
506 | GLclampd Clear; /**< Value to clear depth buffer to */ |
507 | GLboolean Test; /**< Depth buffering enabled flag */ |
508 | GLboolean Mask; /**< Depth buffer writable? */ |
509 | GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */ |
510 | GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */ |
511 | }; |
512 | |
513 | |
514 | /** |
515 | * Evaluator attribute group (GL_EVAL_BIT). |
516 | */ |
517 | struct gl_eval_attrib |
518 | { |
519 | /** |
520 | * \name Enable bits |
521 | */ |
522 | /*@{*/ |
523 | GLboolean Map1Color4; |
524 | GLboolean Map1Index; |
525 | GLboolean Map1Normal; |
526 | GLboolean Map1TextureCoord1; |
527 | GLboolean Map1TextureCoord2; |
528 | GLboolean Map1TextureCoord3; |
529 | GLboolean Map1TextureCoord4; |
530 | GLboolean Map1Vertex3; |
531 | GLboolean Map1Vertex4; |
532 | GLboolean Map2Color4; |
533 | GLboolean Map2Index; |
534 | GLboolean Map2Normal; |
535 | GLboolean Map2TextureCoord1; |
536 | GLboolean Map2TextureCoord2; |
537 | GLboolean Map2TextureCoord3; |
538 | GLboolean Map2TextureCoord4; |
539 | GLboolean Map2Vertex3; |
540 | GLboolean Map2Vertex4; |
541 | GLboolean AutoNormal; |
542 | /*@}*/ |
543 | |
544 | /** |
545 | * \name Map Grid endpoints and divisions and calculated du values |
546 | */ |
547 | /*@{*/ |
548 | GLint MapGrid1un; |
549 | GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du; |
550 | GLint MapGrid2un, MapGrid2vn; |
551 | GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du; |
552 | GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv; |
553 | /*@}*/ |
554 | }; |
555 | |
556 | |
557 | /** |
558 | * Compressed fog mode. |
559 | */ |
560 | enum gl_fog_mode |
561 | { |
562 | FOG_NONE, |
563 | FOG_LINEAR, |
564 | FOG_EXP, |
565 | FOG_EXP2, |
566 | }; |
567 | |
568 | |
569 | /** |
570 | * Fog attribute group (GL_FOG_BIT). |
571 | */ |
572 | struct gl_fog_attrib |
573 | { |
574 | GLboolean Enabled; /**< Fog enabled flag */ |
575 | GLboolean ColorSumEnabled; |
576 | uint8_t _PackedMode; /**< Fog mode as 2 bits */ |
577 | uint8_t _PackedEnabledMode; /**< Masked CompressedMode */ |
578 | GLfloat ColorUnclamped[4]; /**< Fog color */ |
579 | GLfloat Color[4]; /**< Fog color */ |
580 | GLfloat Density; /**< Density >= 0.0 */ |
581 | GLfloat Start; /**< Start distance in eye coords */ |
582 | GLfloat End; /**< End distance in eye coords */ |
583 | GLfloat Index; /**< Fog index */ |
584 | GLenum16 Mode; /**< Fog mode */ |
585 | GLenum16 FogCoordinateSource;/**< GL_EXT_fog_coord */ |
586 | GLenum16 FogDistanceMode; /**< GL_NV_fog_distance */ |
587 | }; |
588 | |
589 | |
590 | /** |
591 | * Hint attribute group (GL_HINT_BIT). |
592 | * |
593 | * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE. |
594 | */ |
595 | struct gl_hint_attrib |
596 | { |
597 | GLenum16 PerspectiveCorrection; |
598 | GLenum16 PointSmooth; |
599 | GLenum16 LineSmooth; |
600 | GLenum16 PolygonSmooth; |
601 | GLenum16 Fog; |
602 | GLenum16 TextureCompression; /**< GL_ARB_texture_compression */ |
603 | GLenum16 GenerateMipmap; /**< GL_SGIS_generate_mipmap */ |
604 | GLenum16 FragmentShaderDerivative; /**< GL_ARB_fragment_shader */ |
605 | GLuint MaxShaderCompilerThreads; /**< GL_ARB_parallel_shader_compile */ |
606 | }; |
607 | |
608 | |
609 | /** |
610 | * Lighting attribute group (GL_LIGHT_BIT). |
611 | */ |
612 | struct gl_light_attrib |
613 | { |
614 | struct gl_light Light[MAX_LIGHTS8]; /**< Array of light sources */ |
615 | struct gl_lightmodel Model; /**< Lighting model */ |
616 | |
617 | /** |
618 | * Front and back material values. |
619 | * Note: must call FLUSH_VERTICES() before using. |
620 | */ |
621 | struct gl_material Material; |
622 | |
623 | GLboolean Enabled; /**< Lighting enabled flag */ |
624 | GLboolean ColorMaterialEnabled; |
625 | |
626 | GLenum16 ShadeModel; /**< GL_FLAT or GL_SMOOTH */ |
627 | GLenum16 ProvokingVertex; /**< GL_EXT_provoking_vertex */ |
628 | GLenum16 ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */ |
629 | GLenum16 ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */ |
630 | GLbitfield _ColorMaterialBitmask; /**< bitmask formed from Face and Mode */ |
631 | |
632 | |
633 | GLboolean _ClampVertexColor; |
634 | GLenum16 ClampVertexColor; /**< GL_TRUE, GL_FALSE, GL_FIXED_ONLY */ |
635 | |
636 | /** |
637 | * Derived state for optimizations: |
638 | */ |
639 | /*@{*/ |
640 | GLbitfield _EnabledLights; /**< bitmask containing enabled lights */ |
641 | |
642 | GLboolean _NeedEyeCoords; |
643 | GLboolean _NeedVertices; /**< Use fast shader? */ |
644 | |
645 | GLfloat _BaseColor[2][3]; |
646 | /*@}*/ |
647 | }; |
648 | |
649 | |
650 | /** |
651 | * Line attribute group (GL_LINE_BIT). |
652 | */ |
653 | struct gl_line_attrib |
654 | { |
655 | GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */ |
656 | GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */ |
657 | GLushort StipplePattern; /**< Stipple pattern */ |
658 | GLint StippleFactor; /**< Stipple repeat factor */ |
659 | GLfloat Width; /**< Line width */ |
660 | }; |
661 | |
662 | |
663 | /** |
664 | * Display list attribute group (GL_LIST_BIT). |
665 | */ |
666 | struct gl_list_attrib |
667 | { |
668 | GLuint ListBase; |
669 | }; |
670 | |
671 | |
672 | /** |
673 | * Multisample attribute group (GL_MULTISAMPLE_BIT). |
674 | */ |
675 | struct gl_multisample_attrib |
676 | { |
677 | GLboolean Enabled; |
678 | GLboolean SampleAlphaToCoverage; |
679 | GLboolean SampleAlphaToOne; |
680 | GLboolean SampleCoverage; |
681 | GLboolean SampleCoverageInvert; |
682 | GLboolean SampleShading; |
683 | |
684 | /* ARB_texture_multisample / GL3.2 additions */ |
685 | GLboolean SampleMask; |
686 | |
687 | GLfloat SampleCoverageValue; /**< In range [0, 1] */ |
688 | GLfloat MinSampleShadingValue; /**< In range [0, 1] */ |
689 | |
690 | /** The GL spec defines this as an array but >32x MSAA is madness */ |
691 | GLbitfield SampleMaskValue; |
692 | |
693 | /* NV_alpha_to_coverage_dither_control */ |
694 | GLenum SampleAlphaToCoverageDitherControl; |
695 | }; |
696 | |
697 | |
698 | /** |
699 | * A pixelmap (see glPixelMap) |
700 | */ |
701 | struct gl_pixelmap |
702 | { |
703 | GLint Size; |
704 | GLfloat Map[MAX_PIXEL_MAP_TABLE256]; |
705 | }; |
706 | |
707 | |
708 | /** |
709 | * Collection of all pixelmaps |
710 | */ |
711 | struct gl_pixelmaps |
712 | { |
713 | struct gl_pixelmap RtoR; /**< i.e. GL_PIXEL_MAP_R_TO_R */ |
714 | struct gl_pixelmap GtoG; |
715 | struct gl_pixelmap BtoB; |
716 | struct gl_pixelmap AtoA; |
717 | struct gl_pixelmap ItoR; |
718 | struct gl_pixelmap ItoG; |
719 | struct gl_pixelmap ItoB; |
720 | struct gl_pixelmap ItoA; |
721 | struct gl_pixelmap ItoI; |
722 | struct gl_pixelmap StoS; |
723 | }; |
724 | |
725 | |
726 | /** |
727 | * Pixel attribute group (GL_PIXEL_MODE_BIT). |
728 | */ |
729 | struct gl_pixel_attrib |
730 | { |
731 | GLenum16 ReadBuffer; /**< source buffer for glRead/CopyPixels() */ |
732 | |
733 | /*--- Begin Pixel Transfer State ---*/ |
734 | /* Fields are in the order in which they're applied... */ |
735 | |
736 | /** Scale & Bias (index shift, offset) */ |
737 | /*@{*/ |
738 | GLfloat RedBias, RedScale; |
739 | GLfloat GreenBias, GreenScale; |
740 | GLfloat BlueBias, BlueScale; |
741 | GLfloat AlphaBias, AlphaScale; |
742 | GLfloat DepthBias, DepthScale; |
743 | GLint IndexShift, IndexOffset; |
744 | /*@}*/ |
745 | |
746 | /* Pixel Maps */ |
747 | /* Note: actual pixel maps are not part of this attrib group */ |
748 | GLboolean MapColorFlag; |
749 | GLboolean MapStencilFlag; |
750 | |
751 | /*--- End Pixel Transfer State ---*/ |
752 | |
753 | /** glPixelZoom */ |
754 | GLfloat ZoomX, ZoomY; |
755 | }; |
756 | |
757 | |
758 | /** |
759 | * Point attribute group (GL_POINT_BIT). |
760 | */ |
761 | struct gl_point_attrib |
762 | { |
763 | GLfloat Size; /**< User-specified point size */ |
764 | GLfloat Params[3]; /**< GL_EXT_point_parameters */ |
765 | GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */ |
766 | GLfloat Threshold; /**< GL_EXT_point_parameters */ |
767 | GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */ |
768 | GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */ |
769 | GLboolean PointSprite; /**< GL_NV/ARB_point_sprite */ |
770 | GLbitfield CoordReplace; /**< GL_ARB_point_sprite*/ |
771 | GLenum16 SpriteRMode; /**< GL_NV_point_sprite (only!) */ |
772 | GLenum16 SpriteOrigin; /**< GL_ARB_point_sprite */ |
773 | }; |
774 | |
775 | |
776 | /** |
777 | * Polygon attribute group (GL_POLYGON_BIT). |
778 | */ |
779 | struct gl_polygon_attrib |
780 | { |
781 | GLenum16 FrontFace; /**< Either GL_CW or GL_CCW */ |
782 | GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */ |
783 | GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */ |
784 | GLboolean CullFlag; /**< Culling on/off flag */ |
785 | GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */ |
786 | GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */ |
787 | GLenum16 CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */ |
788 | GLfloat OffsetFactor; /**< Polygon offset factor, from user */ |
789 | GLfloat OffsetUnits; /**< Polygon offset units, from user */ |
790 | GLfloat OffsetClamp; /**< Polygon offset clamp, from user */ |
791 | GLboolean OffsetPoint; /**< Offset in GL_POINT mode */ |
792 | GLboolean OffsetLine; /**< Offset in GL_LINE mode */ |
793 | GLboolean OffsetFill; /**< Offset in GL_FILL mode */ |
794 | }; |
795 | |
796 | |
797 | /** |
798 | * Scissor attributes (GL_SCISSOR_BIT). |
799 | */ |
800 | struct gl_scissor_rect |
801 | { |
802 | GLint X, Y; /**< Lower left corner of box */ |
803 | GLsizei Width, Height; /**< Size of box */ |
804 | }; |
805 | |
806 | |
807 | struct gl_scissor_attrib |
808 | { |
809 | GLbitfield EnableFlags; /**< Scissor test enabled? */ |
810 | struct gl_scissor_rect ScissorArray[MAX_VIEWPORTS16]; |
811 | GLint NumWindowRects; /**< Count of enabled window rectangles */ |
812 | GLenum16 WindowRectMode; /**< Whether to include or exclude the rects */ |
813 | struct gl_scissor_rect WindowRects[MAX_WINDOW_RECTANGLES8]; |
814 | }; |
815 | |
816 | |
817 | /** |
818 | * Stencil attribute group (GL_STENCIL_BUFFER_BIT). |
819 | * |
820 | * Three sets of stencil data are tracked so that OpenGL 2.0, |
821 | * GL_EXT_stencil_two_side, and GL_ATI_separate_stencil can all be supported |
822 | * simultaneously. In each of the stencil state arrays, element 0 corresponds |
823 | * to GL_FRONT. Element 1 corresponds to the OpenGL 2.0 / |
824 | * GL_ATI_separate_stencil GL_BACK state. Element 2 corresponds to the |
825 | * GL_EXT_stencil_two_side GL_BACK state. |
826 | * |
827 | * The derived value \c _BackFace is either 1 or 2 depending on whether or |
828 | * not GL_STENCIL_TEST_TWO_SIDE_EXT is enabled. |
829 | * |
830 | * The derived value \c _TestTwoSide is set when the front-face and back-face |
831 | * stencil state are different. |
832 | */ |
833 | struct gl_stencil_attrib |
834 | { |
835 | GLboolean Enabled; /**< Enabled flag */ |
836 | GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */ |
837 | GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 2) */ |
838 | GLubyte _BackFace; /**< Current back stencil state (1 or 2) */ |
839 | GLenum16 Function[3]; /**< Stencil function */ |
840 | GLenum16 FailFunc[3]; /**< Fail function */ |
841 | GLenum16 ZPassFunc[3]; /**< Depth buffer pass function */ |
842 | GLenum16 ZFailFunc[3]; /**< Depth buffer fail function */ |
843 | GLint Ref[3]; /**< Reference value */ |
844 | GLuint ValueMask[3]; /**< Value mask */ |
845 | GLuint WriteMask[3]; /**< Write mask */ |
846 | GLuint Clear; /**< Clear value */ |
847 | }; |
848 | |
849 | |
850 | /** |
851 | * Bit flags for each type of texture object |
852 | */ |
853 | /*@{*/ |
854 | #define TEXTURE_2D_MULTISAMPLE_BIT(1 << TEXTURE_2D_MULTISAMPLE_INDEX) (1 << TEXTURE_2D_MULTISAMPLE_INDEX) |
855 | #define TEXTURE_2D_MULTISAMPLE_ARRAY_BIT(1 << TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX) (1 << TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX) |
856 | #define TEXTURE_CUBE_ARRAY_BIT(1 << TEXTURE_CUBE_ARRAY_INDEX) (1 << TEXTURE_CUBE_ARRAY_INDEX) |
857 | #define TEXTURE_BUFFER_BIT(1 << TEXTURE_BUFFER_INDEX) (1 << TEXTURE_BUFFER_INDEX) |
858 | #define TEXTURE_2D_ARRAY_BIT(1 << TEXTURE_2D_ARRAY_INDEX) (1 << TEXTURE_2D_ARRAY_INDEX) |
859 | #define TEXTURE_1D_ARRAY_BIT(1 << TEXTURE_1D_ARRAY_INDEX) (1 << TEXTURE_1D_ARRAY_INDEX) |
860 | #define TEXTURE_EXTERNAL_BIT(1 << TEXTURE_EXTERNAL_INDEX) (1 << TEXTURE_EXTERNAL_INDEX) |
861 | #define TEXTURE_CUBE_BIT(1 << TEXTURE_CUBE_INDEX) (1 << TEXTURE_CUBE_INDEX) |
862 | #define TEXTURE_3D_BIT(1 << TEXTURE_3D_INDEX) (1 << TEXTURE_3D_INDEX) |
863 | #define TEXTURE_RECT_BIT(1 << TEXTURE_RECT_INDEX) (1 << TEXTURE_RECT_INDEX) |
864 | #define TEXTURE_2D_BIT(1 << TEXTURE_2D_INDEX) (1 << TEXTURE_2D_INDEX) |
865 | #define TEXTURE_1D_BIT(1 << TEXTURE_1D_INDEX) (1 << TEXTURE_1D_INDEX) |
866 | /*@}*/ |
867 | |
868 | |
869 | /** |
870 | * Texture image state. Drivers will typically create a subclass of this |
871 | * with extra fields for memory buffers, etc. |
872 | */ |
873 | struct gl_texture_image |
874 | { |
875 | GLint InternalFormat; /**< Internal format as given by the user */ |
876 | GLenum16 _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA, |
877 | * GL_LUMINANCE, GL_LUMINANCE_ALPHA, |
878 | * GL_INTENSITY, GL_DEPTH_COMPONENT or |
879 | * GL_DEPTH_STENCIL_EXT only. Used for |
880 | * choosing TexEnv arithmetic. |
881 | */ |
882 | mesa_format TexFormat; /**< The actual texture memory format */ |
883 | |
884 | GLuint Border; /**< 0 or 1 */ |
885 | GLuint Width; /**< = 2^WidthLog2 + 2*Border */ |
886 | GLuint Height; /**< = 2^HeightLog2 + 2*Border */ |
887 | GLuint Depth; /**< = 2^DepthLog2 + 2*Border */ |
888 | GLuint Width2; /**< = Width - 2*Border */ |
889 | GLuint Height2; /**< = Height - 2*Border */ |
890 | GLuint Depth2; /**< = Depth - 2*Border */ |
891 | GLuint WidthLog2; /**< = log2(Width2) */ |
892 | GLuint HeightLog2; /**< = log2(Height2) */ |
893 | GLuint DepthLog2; /**< = log2(Depth2) */ |
894 | GLuint MaxNumLevels; /**< = maximum possible number of mipmap |
895 | levels, computed from the dimensions */ |
896 | |
897 | struct gl_texture_object *TexObject; /**< Pointer back to parent object */ |
898 | GLuint Level; /**< Which mipmap level am I? */ |
899 | /** Cube map face: index into gl_texture_object::Image[] array */ |
900 | GLuint Face; |
901 | |
902 | /** GL_ARB_texture_multisample */ |
903 | GLuint NumSamples; /**< Sample count, or 0 for non-multisample */ |
904 | GLboolean FixedSampleLocations; /**< Same sample locations for all pixels? */ |
905 | }; |
906 | |
907 | |
908 | /** |
909 | * Indexes for cube map faces. |
910 | */ |
911 | typedef enum |
912 | { |
913 | FACE_POS_X = 0, |
914 | FACE_NEG_X = 1, |
915 | FACE_POS_Y = 2, |
916 | FACE_NEG_Y = 3, |
917 | FACE_POS_Z = 4, |
918 | FACE_NEG_Z = 5, |
919 | MAX_FACES = 6 |
920 | } gl_face_index; |
921 | |
922 | |
923 | /** |
924 | * Sampler object state. These objects are new with GL_ARB_sampler_objects |
925 | * and OpenGL 3.3. Legacy texture objects also contain a sampler object. |
926 | */ |
927 | struct gl_sampler_object |
928 | { |
929 | simple_mtx_t Mutex; |
930 | GLuint Name; |
931 | GLchar *Label; /**< GL_KHR_debug */ |
932 | GLint RefCount; |
933 | |
934 | GLenum16 WrapS; /**< S-axis texture image wrap mode */ |
935 | GLenum16 WrapT; /**< T-axis texture image wrap mode */ |
936 | GLenum16 WrapR; /**< R-axis texture image wrap mode */ |
937 | GLenum16 MinFilter; /**< minification filter */ |
938 | GLenum16 MagFilter; /**< magnification filter */ |
939 | GLenum16 sRGBDecode; /**< GL_DECODE_EXT or GL_SKIP_DECODE_EXT */ |
940 | union gl_color_union BorderColor; /**< Interpreted according to texture format */ |
941 | GLfloat MinLod; /**< min lambda, OpenGL 1.2 */ |
942 | GLfloat MaxLod; /**< max lambda, OpenGL 1.2 */ |
943 | GLfloat LodBias; /**< OpenGL 1.4 */ |
944 | GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */ |
945 | GLenum16 CompareMode; /**< GL_ARB_shadow */ |
946 | GLenum16 CompareFunc; /**< GL_ARB_shadow */ |
947 | GLboolean CubeMapSeamless; /**< GL_AMD_seamless_cubemap_per_texture */ |
948 | |
949 | /** GL_ARB_bindless_texture */ |
950 | bool_Bool HandleAllocated; |
951 | struct util_dynarray Handles; |
952 | }; |
953 | |
954 | |
955 | /** |
956 | * Texture object state. Contains the array of mipmap images, border color, |
957 | * wrap modes, filter modes, and shadow/texcompare state. |
958 | */ |
959 | struct gl_texture_object |
960 | { |
961 | simple_mtx_t Mutex; /**< for thread safety */ |
962 | GLint RefCount; /**< reference count */ |
963 | GLuint Name; /**< the user-visible texture object ID */ |
964 | GLenum16 Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */ |
965 | GLenum16 DepthMode; /**< GL_ARB_depth_texture */ |
966 | GLchar *Label; /**< GL_KHR_debug */ |
967 | |
968 | struct gl_sampler_object Sampler; |
969 | |
970 | gl_texture_index TargetIndex; /**< The gl_texture_unit::CurrentTex index. |
971 | Only valid when Target is valid. */ |
972 | GLfloat Priority; /**< in [0,1] */ |
973 | GLint MaxLevel; /**< max mipmap level (max=1000), OpenGL 1.2 */ |
974 | GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */ |
975 | GLbyte _MaxLevel; /**< actual max mipmap level (q in the spec) */ |
976 | GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - p in spec) */ |
977 | GLint CropRect[4]; /**< GL_OES_draw_texture */ |
978 | GLenum Swizzle[4]; /**< GL_EXT_texture_swizzle */ |
979 | GLushort _Swizzle; /**< same as Swizzle, but SWIZZLE_* format */ |
980 | GLbyte ImmutableLevels; /**< ES 3.0 / ARB_texture_view */ |
981 | GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */ |
982 | GLboolean _BaseComplete; /**< Is the base texture level valid? */ |
983 | GLboolean _MipmapComplete; /**< Is the whole mipmap valid? */ |
984 | GLboolean _IsIntegerFormat; /**< Does the texture store integer values? */ |
985 | GLboolean _RenderToTexture; /**< Any rendering to this texture? */ |
986 | GLboolean Purgeable; /**< Is the buffer purgeable under memory |
987 | pressure? */ |
988 | GLboolean Immutable; /**< GL_ARB_texture_storage */ |
989 | GLboolean _IsFloat; /**< GL_OES_float_texture */ |
990 | GLboolean _IsHalfFloat; /**< GL_OES_half_float_texture */ |
991 | bool_Bool StencilSampling; /**< Should we sample stencil instead of depth? */ |
992 | bool_Bool HandleAllocated; /**< GL_ARB_bindless_texture */ |
993 | |
994 | /** GL_OES_EGL_image_external */ |
995 | GLubyte RequiredTextureImageUnits; |
996 | |
997 | GLubyte MinLevel; /**< GL_ARB_texture_view */ |
998 | GLubyte NumLevels; /**< GL_ARB_texture_view */ |
999 | GLushort MinLayer; /**< GL_ARB_texture_view */ |
1000 | GLushort NumLayers; /**< GL_ARB_texture_view */ |
1001 | |
1002 | /** GL_EXT_memory_object */ |
1003 | GLenum16 TextureTiling; |
1004 | |
1005 | /** GL_ARB_shader_image_load_store */ |
1006 | GLenum16 ImageFormatCompatibilityType; |
1007 | |
1008 | /** GL_ARB_texture_buffer_object */ |
1009 | GLenum16 BufferObjectFormat; |
1010 | /** Equivalent Mesa format for BufferObjectFormat. */ |
1011 | mesa_format _BufferObjectFormat; |
1012 | struct gl_buffer_object *BufferObject; |
1013 | |
1014 | /** GL_ARB_texture_buffer_range */ |
1015 | GLintptr BufferOffset; |
1016 | GLsizeiptr BufferSize; /**< if this is -1, use BufferObject->Size instead */ |
1017 | |
1018 | /** Actual texture images, indexed by [cube face] and [mipmap level] */ |
1019 | struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS15]; |
1020 | |
1021 | /** GL_ARB_bindless_texture */ |
1022 | struct util_dynarray SamplerHandles; |
1023 | struct util_dynarray ImageHandles; |
1024 | }; |
1025 | |
1026 | |
1027 | /** Up to four combiner sources are possible with GL_NV_texture_env_combine4 */ |
1028 | #define MAX_COMBINER_TERMS4 4 |
1029 | |
1030 | |
1031 | /** |
1032 | * Texture combine environment state. |
1033 | */ |
1034 | struct gl_tex_env_combine_state |
1035 | { |
1036 | GLenum16 ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ |
1037 | GLenum16 ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ |
1038 | /** Source terms: GL_PRIMARY_COLOR, GL_TEXTURE, etc */ |
1039 | GLenum16 SourceRGB[MAX_COMBINER_TERMS4]; |
1040 | GLenum16 SourceA[MAX_COMBINER_TERMS4]; |
1041 | /** Source operands: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, etc */ |
1042 | GLenum16 OperandRGB[MAX_COMBINER_TERMS4]; |
1043 | GLenum16 OperandA[MAX_COMBINER_TERMS4]; |
1044 | GLubyte ScaleShiftRGB; /**< 0, 1 or 2 */ |
1045 | GLubyte ScaleShiftA; /**< 0, 1 or 2 */ |
1046 | GLubyte _NumArgsRGB; /**< Number of inputs used for the RGB combiner */ |
1047 | GLubyte _NumArgsA; /**< Number of inputs used for the A combiner */ |
1048 | }; |
1049 | |
1050 | |
1051 | /** Compressed TexEnv effective Combine mode */ |
1052 | enum gl_tex_env_mode |
1053 | { |
1054 | TEXENV_MODE_REPLACE, /* r = a0 */ |
1055 | TEXENV_MODE_MODULATE, /* r = a0 * a1 */ |
1056 | TEXENV_MODE_ADD, /* r = a0 + a1 */ |
1057 | TEXENV_MODE_ADD_SIGNED, /* r = a0 + a1 - 0.5 */ |
1058 | TEXENV_MODE_INTERPOLATE, /* r = a0 * a2 + a1 * (1 - a2) */ |
1059 | TEXENV_MODE_SUBTRACT, /* r = a0 - a1 */ |
1060 | TEXENV_MODE_DOT3_RGB, /* r = a0 . a1 */ |
1061 | TEXENV_MODE_DOT3_RGB_EXT, /* r = a0 . a1 */ |
1062 | TEXENV_MODE_DOT3_RGBA, /* r = a0 . a1 */ |
1063 | TEXENV_MODE_DOT3_RGBA_EXT, /* r = a0 . a1 */ |
1064 | TEXENV_MODE_MODULATE_ADD_ATI, /* r = a0 * a2 + a1 */ |
1065 | TEXENV_MODE_MODULATE_SIGNED_ADD_ATI, /* r = a0 * a2 + a1 - 0.5 */ |
1066 | TEXENV_MODE_MODULATE_SUBTRACT_ATI, /* r = a0 * a2 - a1 */ |
1067 | TEXENV_MODE_ADD_PRODUCTS_NV, /* r = a0 * a1 + a2 * a3 */ |
1068 | TEXENV_MODE_ADD_PRODUCTS_SIGNED_NV, /* r = a0 * a1 + a2 * a3 - 0.5 */ |
1069 | }; |
1070 | |
1071 | |
1072 | /** Compressed TexEnv Combine source */ |
1073 | enum gl_tex_env_source |
1074 | { |
1075 | TEXENV_SRC_TEXTURE0, |
1076 | TEXENV_SRC_TEXTURE1, |
1077 | TEXENV_SRC_TEXTURE2, |
1078 | TEXENV_SRC_TEXTURE3, |
1079 | TEXENV_SRC_TEXTURE4, |
1080 | TEXENV_SRC_TEXTURE5, |
1081 | TEXENV_SRC_TEXTURE6, |
1082 | TEXENV_SRC_TEXTURE7, |
1083 | TEXENV_SRC_TEXTURE, |
1084 | TEXENV_SRC_PREVIOUS, |
1085 | TEXENV_SRC_PRIMARY_COLOR, |
1086 | TEXENV_SRC_CONSTANT, |
1087 | TEXENV_SRC_ZERO, |
1088 | TEXENV_SRC_ONE, |
1089 | }; |
1090 | |
1091 | |
1092 | /** Compressed TexEnv Combine operand */ |
1093 | enum gl_tex_env_operand |
1094 | { |
1095 | TEXENV_OPR_COLOR, |
1096 | TEXENV_OPR_ONE_MINUS_COLOR, |
1097 | TEXENV_OPR_ALPHA, |
1098 | TEXENV_OPR_ONE_MINUS_ALPHA, |
1099 | }; |
1100 | |
1101 | |
1102 | /** Compressed TexEnv Combine argument */ |
1103 | struct gl_tex_env_argument |
1104 | { |
1105 | #ifdef __GNUC__4 |
1106 | __extension__ uint8_t Source:4; /**< TEXENV_SRC_x */ |
1107 | __extension__ uint8_t Operand:2; /**< TEXENV_OPR_x */ |
1108 | #else |
1109 | uint8_t Source; /**< SRC_x */ |
1110 | uint8_t Operand; /**< OPR_x */ |
1111 | #endif |
1112 | }; |
1113 | |
1114 | |
1115 | /*** |
1116 | * Compressed TexEnv Combine state. |
1117 | */ |
1118 | struct gl_tex_env_combine_packed |
1119 | { |
1120 | uint32_t ModeRGB:4; /**< Effective mode for RGB as 4 bits */ |
1121 | uint32_t ModeA:4; /**< Effective mode for RGB as 4 bits */ |
1122 | uint32_t ScaleShiftRGB:2; /**< 0, 1 or 2 */ |
1123 | uint32_t ScaleShiftA:2; /**< 0, 1 or 2 */ |
1124 | uint32_t NumArgsRGB:3; /**< Number of inputs used for the RGB combiner */ |
1125 | uint32_t NumArgsA:3; /**< Number of inputs used for the A combiner */ |
1126 | /** Source arguments in a packed manner */ |
1127 | struct gl_tex_env_argument ArgsRGB[MAX_COMBINER_TERMS4]; |
1128 | struct gl_tex_env_argument ArgsA[MAX_COMBINER_TERMS4]; |
1129 | }; |
1130 | |
1131 | |
1132 | /** |
1133 | * TexGenEnabled flags. |
1134 | */ |
1135 | /*@{*/ |
1136 | #define S_BIT1 1 |
1137 | #define T_BIT2 2 |
1138 | #define R_BIT4 4 |
1139 | #define Q_BIT8 8 |
1140 | #define STR_BITS(1 | 2 | 4) (S_BIT1 | T_BIT2 | R_BIT4) |
1141 | /*@}*/ |
1142 | |
1143 | |
1144 | /** |
1145 | * Bit flag versions of the corresponding GL_ constants. |
1146 | */ |
1147 | /*@{*/ |
1148 | #define TEXGEN_SPHERE_MAP0x1 0x1 |
1149 | #define TEXGEN_OBJ_LINEAR0x2 0x2 |
1150 | #define TEXGEN_EYE_LINEAR0x4 0x4 |
1151 | #define TEXGEN_REFLECTION_MAP_NV0x8 0x8 |
1152 | #define TEXGEN_NORMAL_MAP_NV0x10 0x10 |
1153 | |
1154 | #define TEXGEN_NEED_NORMALS(0x1 | 0x8 | 0x10) (TEXGEN_SPHERE_MAP0x1 | \ |
1155 | TEXGEN_REFLECTION_MAP_NV0x8 | \ |
1156 | TEXGEN_NORMAL_MAP_NV0x10) |
1157 | #define TEXGEN_NEED_EYE_COORD(0x1 | 0x8 | 0x10 | 0x4) (TEXGEN_SPHERE_MAP0x1 | \ |
1158 | TEXGEN_REFLECTION_MAP_NV0x8 | \ |
1159 | TEXGEN_NORMAL_MAP_NV0x10 | \ |
1160 | TEXGEN_EYE_LINEAR0x4) |
1161 | /*@}*/ |
1162 | |
1163 | |
1164 | |
1165 | /** Tex-gen enabled for texture unit? */ |
1166 | #define ENABLE_TEXGEN(unit)(1 << (unit)) (1 << (unit)) |
1167 | |
1168 | /** Non-identity texture matrix for texture unit? */ |
1169 | #define ENABLE_TEXMAT(unit)(1 << (unit)) (1 << (unit)) |
1170 | |
1171 | |
1172 | /** |
1173 | * Texture coord generation state. |
1174 | */ |
1175 | struct gl_texgen |
1176 | { |
1177 | GLenum16 Mode; /**< GL_EYE_LINEAR, GL_SPHERE_MAP, etc */ |
1178 | GLbitfield8 _ModeBit; /**< TEXGEN_x bit corresponding to Mode */ |
1179 | GLfloat ObjectPlane[4]; |
1180 | GLfloat EyePlane[4]; |
1181 | }; |
1182 | |
1183 | |
1184 | /** |
1185 | * Sampler-related subset of a texture unit, like current texture objects. |
1186 | */ |
1187 | struct gl_texture_unit |
1188 | { |
1189 | GLfloat LodBias; /**< for biasing mipmap levels */ |
1190 | |
1191 | /** Texture targets that have a non-default texture bound */ |
1192 | GLbitfield _BoundTextures; |
1193 | |
1194 | /** Current sampler object (GL_ARB_sampler_objects) */ |
1195 | struct gl_sampler_object *Sampler; |
1196 | |
1197 | /** Current texture object pointers */ |
1198 | struct gl_texture_object *CurrentTex[NUM_TEXTURE_TARGETS]; |
1199 | |
1200 | /** Points to highest priority, complete and enabled texture object */ |
1201 | struct gl_texture_object *_Current; |
1202 | }; |
1203 | |
1204 | |
1205 | /** |
1206 | * Fixed-function-related subset of a texture unit, like enable flags, |
1207 | * texture environment/function/combiners, and texgen state. |
1208 | */ |
1209 | struct gl_fixedfunc_texture_unit |
1210 | { |
1211 | GLbitfield16 Enabled; /**< bitmask of TEXTURE_*_BIT flags */ |
1212 | |
1213 | GLenum16 EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */ |
1214 | GLclampf EnvColor[4]; |
1215 | GLfloat EnvColorUnclamped[4]; |
1216 | |
1217 | struct gl_texgen GenS; |
1218 | struct gl_texgen GenT; |
1219 | struct gl_texgen GenR; |
1220 | struct gl_texgen GenQ; |
1221 | GLbitfield8 TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */ |
1222 | GLbitfield8 _GenFlags; /**< Bitwise-OR of Gen[STRQ]._ModeBit */ |
1223 | |
1224 | /** |
1225 | * \name GL_EXT_texture_env_combine |
1226 | */ |
1227 | struct gl_tex_env_combine_state Combine; |
1228 | |
1229 | /** |
1230 | * Derived state based on \c EnvMode and the \c BaseFormat of the |
1231 | * currently enabled texture. |
1232 | */ |
1233 | struct gl_tex_env_combine_state _EnvMode; |
1234 | |
1235 | /** Current compressed TexEnv & Combine state */ |
1236 | struct gl_tex_env_combine_packed _CurrentCombinePacked; |
1237 | |
1238 | /** |
1239 | * Currently enabled combiner state. This will point to either |
1240 | * \c Combine or \c _EnvMode. |
1241 | */ |
1242 | struct gl_tex_env_combine_state *_CurrentCombine; |
1243 | }; |
1244 | |
1245 | |
1246 | /** |
1247 | * Texture attribute group (GL_TEXTURE_BIT). |
1248 | */ |
1249 | struct gl_texture_attrib |
1250 | { |
1251 | struct gl_texture_object *ProxyTex[NUM_TEXTURE_TARGETS]; |
1252 | |
1253 | /** GL_ARB_texture_buffer_object */ |
1254 | struct gl_buffer_object *BufferObject; |
1255 | |
1256 | GLuint CurrentUnit; /**< GL_ACTIVE_TEXTURE */ |
1257 | |
1258 | /** Texture coord units/sets used for fragment texturing */ |
1259 | GLbitfield8 _EnabledCoordUnits; |
1260 | |
1261 | /** Texture coord units that have texgen enabled */ |
1262 | GLbitfield8 _TexGenEnabled; |
1263 | |
1264 | /** Texture coord units that have non-identity matrices */ |
1265 | GLbitfield8 _TexMatEnabled; |
1266 | |
1267 | /** Bitwise-OR of all Texture.Unit[i]._GenFlags */ |
1268 | GLbitfield8 _GenFlags; |
1269 | |
1270 | /** Largest index of a texture unit with _Current != NULL. */ |
1271 | GLshort _MaxEnabledTexImageUnit; |
1272 | |
1273 | /** Largest index + 1 of texture units that have had any CurrentTex set. */ |
1274 | GLubyte NumCurrentTexUsed; |
1275 | |
1276 | /** GL_ARB_seamless_cubemap */ |
1277 | GLboolean CubeMapSeamless; |
1278 | |
1279 | struct gl_texture_unit Unit[MAX_COMBINED_TEXTURE_IMAGE_UNITS(32 * 6)]; |
1280 | struct gl_fixedfunc_texture_unit FixedFuncUnit[MAX_TEXTURE_COORD_UNITS8]; |
1281 | }; |
1282 | |
1283 | |
1284 | /** |
1285 | * Data structure representing a single clip plane (e.g. one of the elements |
1286 | * of the ctx->Transform.EyeUserPlane or ctx->Transform._ClipUserPlane array). |
1287 | */ |
1288 | typedef GLfloat gl_clip_plane[4]; |
1289 | |
1290 | |
1291 | /** |
1292 | * Transformation attribute group (GL_TRANSFORM_BIT). |
1293 | */ |
1294 | struct gl_transform_attrib |
1295 | { |
1296 | GLenum16 MatrixMode; /**< Matrix mode */ |
1297 | gl_clip_plane EyeUserPlane[MAX_CLIP_PLANES8]; /**< User clip planes */ |
1298 | gl_clip_plane _ClipUserPlane[MAX_CLIP_PLANES8]; /**< derived */ |
1299 | GLbitfield ClipPlanesEnabled; /**< on/off bitmask */ |
1300 | GLboolean Normalize; /**< Normalize all normals? */ |
1301 | GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */ |
1302 | GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */ |
1303 | GLboolean DepthClampNear; /**< GL_AMD_depth_clamp_separate */ |
1304 | GLboolean DepthClampFar; /**< GL_AMD_depth_clamp_separate */ |
1305 | /** GL_ARB_clip_control */ |
1306 | GLenum16 ClipOrigin; /**< GL_LOWER_LEFT or GL_UPPER_LEFT */ |
1307 | GLenum16 ClipDepthMode;/**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */ |
1308 | }; |
1309 | |
1310 | |
1311 | /** |
1312 | * Viewport attribute group (GL_VIEWPORT_BIT). |
1313 | */ |
1314 | struct gl_viewport_attrib |
1315 | { |
1316 | GLfloat X, Y; /**< position */ |
1317 | GLfloat Width, Height; /**< size */ |
1318 | GLfloat Near, Far; /**< Depth buffer range */ |
1319 | |
1320 | /**< GL_NV_viewport_swizzle */ |
1321 | GLenum16 SwizzleX, SwizzleY, SwizzleZ, SwizzleW; |
1322 | }; |
1323 | |
1324 | |
1325 | /** |
1326 | * Fields describing a mapped buffer range. |
1327 | */ |
1328 | struct gl_buffer_mapping |
1329 | { |
1330 | GLbitfield AccessFlags; /**< Mask of GL_MAP_x_BIT flags */ |
1331 | GLvoid *Pointer; /**< User-space address of mapping */ |
1332 | GLintptr Offset; /**< Mapped offset */ |
1333 | GLsizeiptr Length; /**< Mapped length */ |
1334 | }; |
1335 | |
1336 | |
1337 | /** |
1338 | * Usages we've seen for a buffer object. |
1339 | */ |
1340 | typedef enum |
1341 | { |
1342 | USAGE_UNIFORM_BUFFER = 0x1, |
1343 | USAGE_TEXTURE_BUFFER = 0x2, |
1344 | USAGE_ATOMIC_COUNTER_BUFFER = 0x4, |
1345 | USAGE_SHADER_STORAGE_BUFFER = 0x8, |
1346 | USAGE_TRANSFORM_FEEDBACK_BUFFER = 0x10, |
1347 | USAGE_PIXEL_PACK_BUFFER = 0x20, |
1348 | USAGE_ARRAY_BUFFER = 0x40, |
1349 | USAGE_ELEMENT_ARRAY_BUFFER = 0x80, |
1350 | USAGE_DISABLE_MINMAX_CACHE = 0x100, |
1351 | } gl_buffer_usage; |
1352 | |
1353 | |
1354 | /** |
1355 | * GL_ARB_vertex/pixel_buffer_object buffer object |
1356 | */ |
1357 | struct gl_buffer_object |
1358 | { |
1359 | GLint RefCount; |
1360 | GLuint Name; |
1361 | GLchar *Label; /**< GL_KHR_debug */ |
1362 | GLenum16 Usage; /**< GL_STREAM_DRAW_ARB, GL_STREAM_READ_ARB, etc. */ |
1363 | GLbitfield StorageFlags; /**< GL_MAP_PERSISTENT_BIT, etc. */ |
1364 | GLsizeiptrARB Size; /**< Size of buffer storage in bytes */ |
1365 | GLubyte *Data; /**< Location of storage either in RAM or VRAM. */ |
1366 | GLboolean DeletePending; /**< true if buffer object is removed from the hash */ |
1367 | GLboolean Written; /**< Ever written to? (for debugging) */ |
1368 | GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */ |
1369 | GLboolean Immutable; /**< GL_ARB_buffer_storage */ |
1370 | gl_buffer_usage UsageHistory; /**< How has this buffer been used so far? */ |
1371 | |
1372 | /** Counters used for buffer usage warnings */ |
1373 | GLuint NumSubDataCalls; |
1374 | GLuint NumMapBufferWriteCalls; |
1375 | |
1376 | struct gl_buffer_mapping Mappings[MAP_COUNT]; |
1377 | |
1378 | /** Memoization of min/max index computations for static index buffers */ |
1379 | simple_mtx_t MinMaxCacheMutex; |
1380 | struct hash_table *MinMaxCache; |
1381 | unsigned MinMaxCacheHitIndices; |
1382 | unsigned MinMaxCacheMissIndices; |
1383 | bool_Bool MinMaxCacheDirty; |
1384 | |
1385 | bool_Bool HandleAllocated; /**< GL_ARB_bindless_texture */ |
1386 | }; |
1387 | |
1388 | |
1389 | /** |
1390 | * Client pixel packing/unpacking attributes |
1391 | */ |
1392 | struct gl_pixelstore_attrib |
1393 | { |
1394 | GLint Alignment; |
1395 | GLint RowLength; |
1396 | GLint SkipPixels; |
1397 | GLint SkipRows; |
1398 | GLint ImageHeight; |
1399 | GLint SkipImages; |
1400 | GLboolean SwapBytes; |
1401 | GLboolean LsbFirst; |
1402 | GLboolean Invert; /**< GL_MESA_pack_invert */ |
1403 | GLint CompressedBlockWidth; /**< GL_ARB_compressed_texture_pixel_storage */ |
1404 | GLint CompressedBlockHeight; |
1405 | GLint CompressedBlockDepth; |
1406 | GLint CompressedBlockSize; |
1407 | struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */ |
1408 | }; |
1409 | |
1410 | |
1411 | /** |
1412 | * Enum for defining the mapping for the position/generic0 attribute. |
1413 | * |
1414 | * Do not change the order of the values as these are used as |
1415 | * array indices. |
1416 | */ |
1417 | typedef enum |
1418 | { |
1419 | ATTRIBUTE_MAP_MODE_IDENTITY, /**< 1:1 mapping */ |
1420 | ATTRIBUTE_MAP_MODE_POSITION, /**< get position and generic0 from position */ |
1421 | ATTRIBUTE_MAP_MODE_GENERIC0, /**< get position and generic0 from generic0 */ |
1422 | ATTRIBUTE_MAP_MODE_MAX /**< for sizing arrays */ |
1423 | } gl_attribute_map_mode; |
1424 | |
1425 | |
1426 | /** |
1427 | * Attributes to describe a vertex array. |
1428 | * |
1429 | * Contains the size, type, format and normalization flag, |
1430 | * along with the index of a vertex buffer binding point. |
1431 | * |
1432 | * Note that the Stride field corresponds to VERTEX_ATTRIB_ARRAY_STRIDE |
1433 | * and is only present for backwards compatibility reasons. |
1434 | * Rendering always uses VERTEX_BINDING_STRIDE. |
1435 | * The gl*Pointer() functions will set VERTEX_ATTRIB_ARRAY_STRIDE |
1436 | * and VERTEX_BINDING_STRIDE to the same value, while |
1437 | * glBindVertexBuffer() will only set VERTEX_BINDING_STRIDE. |
1438 | */ |
1439 | struct gl_array_attributes |
1440 | { |
1441 | /** Points to client array data. Not used when a VBO is bound */ |
1442 | const GLubyte *Ptr; |
1443 | /** Offset of the first element relative to the binding offset */ |
1444 | GLuint RelativeOffset; |
1445 | /** Vertex format */ |
1446 | struct gl_vertex_format Format; |
1447 | /** Stride as specified with gl*Pointer() */ |
1448 | GLshort Stride; |
1449 | /** Index into gl_vertex_array_object::BufferBinding[] array */ |
1450 | GLubyte BufferBindingIndex; |
1451 | |
1452 | /** |
1453 | * Derived effective buffer binding index |
1454 | * |
1455 | * Index into the gl_vertex_buffer_binding array of the vao. |
1456 | * Similar to BufferBindingIndex, but with the mapping of the |
1457 | * position/generic0 attributes applied and with identical |
1458 | * gl_vertex_buffer_binding entries collapsed to a single |
1459 | * entry within the vao. |
1460 | * |
1461 | * The value is valid past calling _mesa_update_vao_derived_arrays. |
1462 | * Note that _mesa_update_vao_derived_arrays is called when binding |
1463 | * the VAO to Array._DrawVAO. |
1464 | */ |
1465 | GLubyte _EffBufferBindingIndex; |
1466 | /** |
1467 | * Derived effective relative offset. |
1468 | * |
1469 | * Relative offset to the effective buffers offset in |
1470 | * gl_vertex_buffer_binding::_EffOffset. |
1471 | * |
1472 | * The value is valid past calling _mesa_update_vao_derived_arrays. |
1473 | * Note that _mesa_update_vao_derived_arrays is called when binding |
1474 | * the VAO to Array._DrawVAO. |
1475 | */ |
1476 | GLushort _EffRelativeOffset; |
1477 | }; |
1478 | |
1479 | |
1480 | /** |
1481 | * This describes the buffer object used for a vertex array (or |
1482 | * multiple vertex arrays). If BufferObj points to the default/null |
1483 | * buffer object, then the vertex array lives in user memory and not a VBO. |
1484 | */ |
1485 | struct gl_vertex_buffer_binding |
1486 | { |
1487 | GLintptr Offset; /**< User-specified offset */ |
1488 | GLsizei Stride; /**< User-specified stride */ |
1489 | GLuint InstanceDivisor; /**< GL_ARB_instanced_arrays */ |
1490 | struct gl_buffer_object *BufferObj; /**< GL_ARB_vertex_buffer_object */ |
1491 | GLbitfield _BoundArrays; /**< Arrays bound to this binding point */ |
1492 | |
1493 | /** |
1494 | * Derived effective bound arrays. |
1495 | * |
1496 | * The effective binding handles enabled arrays past the |
1497 | * position/generic0 attribute mapping and reduces the refered |
1498 | * gl_vertex_buffer_binding entries to a unique subset. |
1499 | * |
1500 | * The value is valid past calling _mesa_update_vao_derived_arrays. |
1501 | * Note that _mesa_update_vao_derived_arrays is called when binding |
1502 | * the VAO to Array._DrawVAO. |
1503 | */ |
1504 | GLbitfield _EffBoundArrays; |
1505 | /** |
1506 | * Derived offset. |
1507 | * |
1508 | * The absolute offset to that we can collapse some attributes |
1509 | * to this unique effective binding. |
1510 | * For user space array bindings this contains the smallest pointer value |
1511 | * in the bound and interleaved arrays. |
1512 | * For VBO bindings this contains an offset that lets the attributes |
1513 | * _EffRelativeOffset stay positive and in bounds with |
1514 | * Const.MaxVertexAttribRelativeOffset |
1515 | * |
1516 | * The value is valid past calling _mesa_update_vao_derived_arrays. |
1517 | * Note that _mesa_update_vao_derived_arrays is called when binding |
1518 | * the VAO to Array._DrawVAO. |
1519 | */ |
1520 | GLintptr _EffOffset; |
1521 | }; |
1522 | |
1523 | |
1524 | /** |
1525 | * A representation of "Vertex Array Objects" (VAOs) from OpenGL 3.1+ / |
1526 | * the GL_ARB_vertex_array_object extension. |
1527 | */ |
1528 | struct gl_vertex_array_object |
1529 | { |
1530 | /** Name of the VAO as received from glGenVertexArray. */ |
1531 | GLuint Name; |
1532 | |
1533 | GLint RefCount; |
1534 | |
1535 | GLchar *Label; /**< GL_KHR_debug */ |
1536 | |
1537 | /** |
1538 | * Has this array object been bound? |
1539 | */ |
1540 | GLboolean EverBound; |
1541 | |
1542 | /** |
1543 | * Marked to true if the object is shared between contexts and immutable. |
1544 | * Then reference counting is done using atomics and thread safe. |
1545 | * Is used for dlist VAOs. |
1546 | */ |
1547 | bool_Bool SharedAndImmutable; |
1548 | |
1549 | /** Vertex attribute arrays */ |
1550 | struct gl_array_attributes VertexAttrib[VERT_ATTRIB_MAX]; |
1551 | |
1552 | /** Vertex buffer bindings */ |
1553 | struct gl_vertex_buffer_binding BufferBinding[VERT_ATTRIB_MAX]; |
1554 | |
1555 | /** Mask indicating which vertex arrays have vertex buffer associated. */ |
1556 | GLbitfield VertexAttribBufferMask; |
1557 | |
1558 | /** Mask indicating which vertex arrays have a non-zero instance divisor. */ |
1559 | GLbitfield NonZeroDivisorMask; |
1560 | |
1561 | /** Mask of VERT_BIT_* values indicating which arrays are enabled */ |
1562 | GLbitfield Enabled; |
1563 | |
1564 | /** |
1565 | * Mask of VERT_BIT_* enabled arrays past position/generic0 mapping |
1566 | * |
1567 | * The value is valid past calling _mesa_update_vao_derived_arrays. |
1568 | * Note that _mesa_update_vao_derived_arrays is called when binding |
1569 | * the VAO to Array._DrawVAO. |
1570 | */ |
1571 | GLbitfield _EffEnabledVBO; |
1572 | |
1573 | /** Same as _EffEnabledVBO, but for instance divisors. */ |
1574 | GLbitfield _EffEnabledNonZeroDivisor; |
1575 | |
1576 | /** Denotes the way the position/generic0 attribute is mapped */ |
1577 | gl_attribute_map_mode _AttributeMapMode; |
1578 | |
1579 | /** Mask of VERT_BIT_* values indicating changed/dirty arrays */ |
1580 | GLbitfield NewArrays; |
1581 | |
1582 | /** The index buffer (also known as the element array buffer in OpenGL). */ |
1583 | struct gl_buffer_object *IndexBufferObj; |
1584 | }; |
1585 | |
1586 | |
1587 | /** |
1588 | * Vertex array state |
1589 | */ |
1590 | struct gl_array_attrib |
1591 | { |
1592 | /** Currently bound array object. */ |
1593 | struct gl_vertex_array_object *VAO; |
1594 | |
1595 | /** The default vertex array object */ |
1596 | struct gl_vertex_array_object *DefaultVAO; |
1597 | |
1598 | /** The last VAO accessed by a DSA function */ |
1599 | struct gl_vertex_array_object *LastLookedUpVAO; |
1600 | |
1601 | /** These contents are copied to newly created VAOs. */ |
1602 | struct gl_vertex_array_object DefaultVAOState; |
1603 | |
1604 | /** Array objects (GL_ARB_vertex_array_object) */ |
1605 | struct _mesa_HashTable *Objects; |
1606 | |
1607 | GLint ActiveTexture; /**< Client Active Texture */ |
1608 | GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */ |
1609 | GLuint LockCount; /**< GL_EXT_compiled_vertex_array */ |
1610 | |
1611 | /** |
1612 | * \name Primitive restart controls |
1613 | * |
1614 | * Primitive restart is enabled if either \c PrimitiveRestart or |
1615 | * \c PrimitiveRestartFixedIndex is set. |
1616 | */ |
1617 | /*@{*/ |
1618 | GLboolean PrimitiveRestart; |
1619 | GLboolean PrimitiveRestartFixedIndex; |
1620 | GLboolean _PrimitiveRestart; |
1621 | GLuint RestartIndex; |
1622 | GLuint _RestartIndex[4]; /**< Restart indices for index_size - 1. */ |
1623 | /*@}*/ |
1624 | |
1625 | /* GL_ARB_vertex_buffer_object */ |
1626 | struct gl_buffer_object *ArrayBufferObj; |
1627 | |
1628 | /** |
1629 | * Vertex array object that is used with the currently active draw command. |
1630 | * The _DrawVAO is either set to the currently bound VAO for array type |
1631 | * draws or to internal VAO's set up by the vbo module to execute immediate |
1632 | * mode or display list draws. |
1633 | */ |
1634 | struct gl_vertex_array_object *_DrawVAO; |
1635 | /** |
1636 | * The VERT_BIT_* bits effectively enabled from the current _DrawVAO. |
1637 | * This is always a subset of _mesa_get_vao_vp_inputs(_DrawVAO) |
1638 | * but may omit those arrays that shall not be referenced by the current |
1639 | * gl_vertex_program_state::_VPMode. For example the generic attributes are |
1640 | * maked out form the _DrawVAO's enabled arrays when a fixed function |
1641 | * array draw is executed. |
1642 | */ |
1643 | GLbitfield _DrawVAOEnabledAttribs; |
1644 | /** |
1645 | * Initially or if the VAO referenced by _DrawVAO is deleted the _DrawVAO |
1646 | * pointer is set to the _EmptyVAO which is just an empty VAO all the time. |
1647 | */ |
1648 | struct gl_vertex_array_object *_EmptyVAO; |
1649 | |
1650 | /** Legal array datatypes and the API for which they have been computed */ |
1651 | GLbitfield LegalTypesMask; |
1652 | gl_api LegalTypesMaskAPI; |
1653 | }; |
1654 | |
1655 | |
1656 | /** |
1657 | * Feedback buffer state |
1658 | */ |
1659 | struct gl_feedback |
1660 | { |
1661 | GLenum16 Type; |
1662 | GLbitfield _Mask; /**< FB_* bits */ |
1663 | GLfloat *Buffer; |
1664 | GLuint BufferSize; |
1665 | GLuint Count; |
1666 | }; |
1667 | |
1668 | |
1669 | /** |
1670 | * Selection buffer state |
1671 | */ |
1672 | struct gl_selection |
1673 | { |
1674 | GLuint *Buffer; /**< selection buffer */ |
1675 | GLuint BufferSize; /**< size of the selection buffer */ |
1676 | GLuint BufferCount; /**< number of values in the selection buffer */ |
1677 | GLuint Hits; /**< number of records in the selection buffer */ |
1678 | GLuint NameStackDepth; /**< name stack depth */ |
1679 | GLuint NameStack[MAX_NAME_STACK_DEPTH64]; /**< name stack */ |
1680 | GLboolean HitFlag; /**< hit flag */ |
1681 | GLfloat HitMinZ; /**< minimum hit depth */ |
1682 | GLfloat HitMaxZ; /**< maximum hit depth */ |
1683 | }; |
1684 | |
1685 | |
1686 | /** |
1687 | * 1-D Evaluator control points |
1688 | */ |
1689 | struct gl_1d_map |
1690 | { |
1691 | GLuint Order; /**< Number of control points */ |
1692 | GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */ |
1693 | GLfloat *Points; /**< Points to contiguous control points */ |
1694 | }; |
1695 | |
1696 | |
1697 | /** |
1698 | * 2-D Evaluator control points |
1699 | */ |
1700 | struct gl_2d_map |
1701 | { |
1702 | GLuint Uorder; /**< Number of control points in U dimension */ |
1703 | GLuint Vorder; /**< Number of control points in V dimension */ |
1704 | GLfloat u1, u2, du; |
1705 | GLfloat v1, v2, dv; |
1706 | GLfloat *Points; /**< Points to contiguous control points */ |
1707 | }; |
1708 | |
1709 | |
1710 | /** |
1711 | * All evaluator control point state |
1712 | */ |
1713 | struct gl_evaluators |
1714 | { |
1715 | /** |
1716 | * \name 1-D maps |
1717 | */ |
1718 | /*@{*/ |
1719 | struct gl_1d_map Map1Vertex3; |
1720 | struct gl_1d_map Map1Vertex4; |
1721 | struct gl_1d_map Map1Index; |
1722 | struct gl_1d_map Map1Color4; |
1723 | struct gl_1d_map Map1Normal; |
1724 | struct gl_1d_map Map1Texture1; |
1725 | struct gl_1d_map Map1Texture2; |
1726 | struct gl_1d_map Map1Texture3; |
1727 | struct gl_1d_map Map1Texture4; |
1728 | /*@}*/ |
1729 | |
1730 | /** |
1731 | * \name 2-D maps |
1732 | */ |
1733 | /*@{*/ |
1734 | struct gl_2d_map Map2Vertex3; |
1735 | struct gl_2d_map Map2Vertex4; |
1736 | struct gl_2d_map Map2Index; |
1737 | struct gl_2d_map Map2Color4; |
1738 | struct gl_2d_map Map2Normal; |
1739 | struct gl_2d_map Map2Texture1; |
1740 | struct gl_2d_map Map2Texture2; |
1741 | struct gl_2d_map Map2Texture3; |
1742 | struct gl_2d_map Map2Texture4; |
1743 | /*@}*/ |
1744 | }; |
1745 | |
1746 | |
1747 | struct gl_transform_feedback_varying_info |
1748 | { |
1749 | char *Name; |
1750 | GLenum16 Type; |
1751 | GLint BufferIndex; |
1752 | GLint Size; |
1753 | GLint Offset; |
1754 | }; |
1755 | |
1756 | |
1757 | /** |
1758 | * Per-output info vertex shaders for transform feedback. |
1759 | */ |
1760 | struct gl_transform_feedback_output |
1761 | { |
1762 | uint32_t OutputRegister; |
1763 | uint32_t OutputBuffer; |
1764 | uint32_t NumComponents; |
1765 | uint32_t StreamId; |
1766 | |
1767 | /** offset (in DWORDs) of this output within the interleaved structure */ |
1768 | uint32_t DstOffset; |
1769 | |
1770 | /** |
1771 | * Offset into the output register of the data to output. For example, |
1772 | * if NumComponents is 2 and ComponentOffset is 1, then the data to |
1773 | * offset is in the y and z components of the output register. |
1774 | */ |
1775 | uint32_t ComponentOffset; |
1776 | }; |
1777 | |
1778 | |
1779 | struct gl_transform_feedback_buffer |
1780 | { |
1781 | uint32_t Binding; |
1782 | |
1783 | uint32_t NumVaryings; |
1784 | |
1785 | /** |
1786 | * Total number of components stored in each buffer. This may be used by |
1787 | * hardware back-ends to determine the correct stride when interleaving |
1788 | * multiple transform feedback outputs in the same buffer. |
1789 | */ |
1790 | uint32_t Stride; |
1791 | |
1792 | /** |
1793 | * Which transform feedback stream this buffer binding is associated with. |
1794 | */ |
1795 | uint32_t Stream; |
1796 | }; |
1797 | |
1798 | |
1799 | /** Post-link transform feedback info. */ |
1800 | struct gl_transform_feedback_info |
1801 | { |
1802 | unsigned NumOutputs; |
1803 | |
1804 | /* Bitmask of active buffer indices. */ |
1805 | unsigned ActiveBuffers; |
1806 | |
1807 | struct gl_transform_feedback_output *Outputs; |
1808 | |
1809 | /** Transform feedback varyings used for the linking of this shader program. |
1810 | * |
1811 | * Use for glGetTransformFeedbackVarying(). |
1812 | */ |
1813 | struct gl_transform_feedback_varying_info *Varyings; |
1814 | GLint NumVarying; |
1815 | |
1816 | struct gl_transform_feedback_buffer Buffers[MAX_FEEDBACK_BUFFERS4]; |
1817 | }; |
1818 | |
1819 | |
1820 | /** |
1821 | * Transform feedback object state |
1822 | */ |
1823 | struct gl_transform_feedback_object |
1824 | { |
1825 | GLuint Name; /**< AKA the object ID */ |
1826 | GLint RefCount; |
1827 | GLchar *Label; /**< GL_KHR_debug */ |
1828 | GLboolean Active; /**< Is transform feedback enabled? */ |
1829 | GLboolean Paused; /**< Is transform feedback paused? */ |
1830 | GLboolean EndedAnytime; /**< Has EndTransformFeedback been called |
1831 | at least once? */ |
1832 | GLboolean EverBound; /**< Has this object been bound? */ |
1833 | |
1834 | /** |
1835 | * GLES: if Active is true, remaining number of primitives which can be |
1836 | * rendered without overflow. This is necessary to track because GLES |
1837 | * requires us to generate INVALID_OPERATION if a call to glDrawArrays or |
1838 | * glDrawArraysInstanced would overflow transform feedback buffers. |
1839 | * Undefined if Active is false. |
1840 | * |
1841 | * Not tracked for desktop GL since it's unnecessary. |
1842 | */ |
1843 | unsigned GlesRemainingPrims; |
1844 | |
1845 | /** |
1846 | * The program active when BeginTransformFeedback() was called. |
1847 | * When active and unpaused, this equals ctx->Shader.CurrentProgram[stage], |
1848 | * where stage is the pipeline stage that is the source of data for |
1849 | * transform feedback. |
1850 | */ |
1851 | struct gl_program *program; |
1852 | |
1853 | /** The feedback buffers */ |
1854 | GLuint BufferNames[MAX_FEEDBACK_BUFFERS4]; |
1855 | struct gl_buffer_object *Buffers[MAX_FEEDBACK_BUFFERS4]; |
1856 | |
1857 | /** Start of feedback data in dest buffer */ |
1858 | GLintptr Offset[MAX_FEEDBACK_BUFFERS4]; |
1859 | |
1860 | /** |
1861 | * Max data to put into dest buffer (in bytes). Computed based on |
1862 | * RequestedSize and the actual size of the buffer. |
1863 | */ |
1864 | GLsizeiptr Size[MAX_FEEDBACK_BUFFERS4]; |
1865 | |
1866 | /** |
1867 | * Size that was specified when the buffer was bound. If the buffer was |
1868 | * bound with glBindBufferBase() or glBindBufferOffsetEXT(), this value is |
1869 | * zero. |
1870 | */ |
1871 | GLsizeiptr RequestedSize[MAX_FEEDBACK_BUFFERS4]; |
1872 | }; |
1873 | |
1874 | |
1875 | /** |
1876 | * Context state for transform feedback. |
1877 | */ |
1878 | struct gl_transform_feedback_state |
1879 | { |
1880 | GLenum16 Mode; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */ |
1881 | |
1882 | /** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */ |
1883 | struct gl_buffer_object *CurrentBuffer; |
1884 | |
1885 | /** The table of all transform feedback objects */ |
1886 | struct _mesa_HashTable *Objects; |
1887 | |
1888 | /** The current xform-fb object (GL_TRANSFORM_FEEDBACK_BINDING) */ |
1889 | struct gl_transform_feedback_object *CurrentObject; |
1890 | |
1891 | /** The default xform-fb object (Name==0) */ |
1892 | struct gl_transform_feedback_object *DefaultObject; |
1893 | }; |
1894 | |
1895 | |
1896 | /** |
1897 | * A "performance monitor" as described in AMD_performance_monitor. |
1898 | */ |
1899 | struct gl_perf_monitor_object |
1900 | { |
1901 | GLuint Name; |
1902 | |
1903 | /** True if the monitor is currently active (Begin called but not End). */ |
1904 | GLboolean Active; |
1905 | |
1906 | /** |
1907 | * True if the monitor has ended. |
1908 | * |
1909 | * This is distinct from !Active because it may never have began. |
1910 | */ |
1911 | GLboolean Ended; |
1912 | |
1913 | /** |
1914 | * A list of groups with currently active counters. |
1915 | * |
1916 | * ActiveGroups[g] == n if there are n counters active from group 'g'. |
1917 | */ |
1918 | unsigned *ActiveGroups; |
1919 | |
1920 | /** |
1921 | * An array of bitsets, subscripted by group ID, then indexed by counter ID. |
1922 | * |
1923 | * Checking whether counter 'c' in group 'g' is active can be done via: |
1924 | * |
1925 | * BITSET_TEST(ActiveCounters[g], c) |
1926 | */ |
1927 | GLuint **ActiveCounters; |
1928 | }; |
1929 | |
1930 | |
1931 | union gl_perf_monitor_counter_value |
1932 | { |
1933 | float f; |
1934 | uint64_t u64; |
1935 | uint32_t u32; |
1936 | }; |
1937 | |
1938 | |
1939 | struct gl_perf_monitor_counter |
1940 | { |
1941 | /** Human readable name for the counter. */ |
1942 | const char *Name; |
1943 | |
1944 | /** |
1945 | * Data type of the counter. Valid values are FLOAT, UNSIGNED_INT, |
1946 | * UNSIGNED_INT64_AMD, and PERCENTAGE_AMD. |
1947 | */ |
1948 | GLenum16 Type; |
1949 | |
1950 | /** Minimum counter value. */ |
1951 | union gl_perf_monitor_counter_value Minimum; |
1952 | |
1953 | /** Maximum counter value. */ |
1954 | union gl_perf_monitor_counter_value Maximum; |
1955 | }; |
1956 | |
1957 | |
1958 | struct gl_perf_monitor_group |
1959 | { |
1960 | /** Human readable name for the group. */ |
1961 | const char *Name; |
1962 | |
1963 | /** |
1964 | * Maximum number of counters in this group which can be active at the |
1965 | * same time. |
1966 | */ |
1967 | GLuint MaxActiveCounters; |
1968 | |
1969 | /** Array of counters within this group. */ |
1970 | const struct gl_perf_monitor_counter *Counters; |
1971 | GLuint NumCounters; |
1972 | }; |
1973 | |
1974 | |
1975 | /** |
1976 | * A query object instance as described in INTEL_performance_query. |
1977 | * |
1978 | * NB: We want to keep this and the corresponding backend structure |
1979 | * relatively lean considering that applications may expect to |
1980 | * allocate enough objects to be able to query around all draw calls |
1981 | * in a frame. |
1982 | */ |
1983 | struct gl_perf_query_object |
1984 | { |
1985 | GLuint Id; /**< hash table ID/name */ |
1986 | unsigned Used:1; /**< has been used for 1 or more queries */ |
1987 | unsigned Active:1; /**< inside Begin/EndPerfQuery */ |
1988 | unsigned Ready:1; /**< result is ready? */ |
1989 | }; |
1990 | |
1991 | |
1992 | /** |
1993 | * Context state for AMD_performance_monitor. |
1994 | */ |
1995 | struct gl_perf_monitor_state |
1996 | { |
1997 | /** Array of performance monitor groups (indexed by group ID) */ |
1998 | const struct gl_perf_monitor_group *Groups; |
1999 | GLuint NumGroups; |
2000 | |
2001 | /** The table of all performance monitors. */ |
2002 | struct _mesa_HashTable *Monitors; |
2003 | }; |
2004 | |
2005 | |
2006 | /** |
2007 | * Context state for INTEL_performance_query. |
2008 | */ |
2009 | struct gl_perf_query_state |
2010 | { |
2011 | struct _mesa_HashTable *Objects; /**< The table of all performance query objects */ |
2012 | }; |
2013 | |
2014 | |
2015 | /** |
2016 | * A bindless sampler object. |
2017 | */ |
2018 | struct gl_bindless_sampler |
2019 | { |
2020 | /** Texture unit (set by glUniform1()). */ |
2021 | GLubyte unit; |
2022 | |
2023 | /** Whether this bindless sampler is bound to a unit. */ |
2024 | GLboolean bound; |
2025 | |
2026 | /** Texture Target (TEXTURE_1D/2D/3D/etc_INDEX). */ |
2027 | gl_texture_index target; |
2028 | |
2029 | /** Pointer to the base of the data. */ |
2030 | GLvoid *data; |
2031 | }; |
2032 | |
2033 | |
2034 | /** |
2035 | * A bindless image object. |
2036 | */ |
2037 | struct gl_bindless_image |
2038 | { |
2039 | /** Image unit (set by glUniform1()). */ |
2040 | GLubyte unit; |
2041 | |
2042 | /** Whether this bindless image is bound to a unit. */ |
2043 | GLboolean bound; |
2044 | |
2045 | /** Access qualifier (GL_READ_WRITE, GL_READ_ONLY, GL_WRITE_ONLY, or |
2046 | * GL_NONE to indicate both read-only and write-only) |
2047 | */ |
2048 | GLenum16 access; |
2049 | |
2050 | /** Pointer to the base of the data. */ |
2051 | GLvoid *data; |
2052 | }; |
2053 | |
2054 | |
2055 | /** |
2056 | * Current vertex processing mode: fixed function vs. shader. |
2057 | * In reality, fixed function is probably implemented by a shader but that's |
2058 | * not what we care about here. |
2059 | */ |
2060 | typedef enum |
2061 | { |
2062 | VP_MODE_FF, /**< legacy / fixed function */ |
2063 | VP_MODE_SHADER, /**< ARB vertex program or GLSL vertex shader */ |
2064 | VP_MODE_MAX /**< for sizing arrays */ |
2065 | } gl_vertex_processing_mode; |
2066 | |
2067 | |
2068 | /** |
2069 | * Base class for any kind of program object |
2070 | */ |
2071 | struct gl_program |
2072 | { |
2073 | /** FIXME: This must be first until we split shader_info from nir_shader */ |
2074 | struct shader_info info; |
2075 | |
2076 | GLuint Id; |
2077 | GLint RefCount; |
2078 | GLubyte *String; /**< Null-terminated program text */ |
2079 | |
2080 | /** GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_GEOMETRY_PROGRAM_NV */ |
2081 | GLenum16 Target; |
2082 | GLenum16 Format; /**< String encoding format */ |
2083 | |
2084 | GLboolean _Used; /**< Ever used for drawing? Used for debugging */ |
2085 | |
2086 | struct nir_shader *nir; |
2087 | |
2088 | /* Saved and restored with metadata. Freed with ralloc. */ |
2089 | void *driver_cache_blob; |
2090 | size_t driver_cache_blob_size; |
2091 | |
2092 | bool_Bool is_arb_asm; /** Is this an ARB assembly-style program */ |
2093 | |
2094 | /** Is this program written to on disk shader cache */ |
2095 | bool_Bool program_written_to_cache; |
2096 | |
2097 | /** A bitfield indicating which vertex shader inputs consume two slots |
2098 | * |
2099 | * This is used for mapping from single-slot input locations in the GL API |
2100 | * to dual-slot double input locations in the shader. This field is set |
2101 | * once as part of linking and never updated again to ensure the mapping |
2102 | * remains consistent. |
2103 | * |
2104 | * Note: There may be dual-slot variables in the original shader source |
2105 | * which do not appear in this bitfield due to having been eliminated by |
2106 | * the compiler prior to DualSlotInputs being calculated. There may also |
2107 | * be bits set in this bitfield which are set but which the shader never |
2108 | * reads due to compiler optimizations eliminating such variables after |
2109 | * DualSlotInputs is calculated. |
2110 | */ |
2111 | GLbitfield64 DualSlotInputs; |
2112 | /** Subset of OutputsWritten outputs written with non-zero index. */ |
2113 | GLbitfield64 SecondaryOutputsWritten; |
2114 | /** TEXTURE_x_BIT bitmask */ |
2115 | GLbitfield16 TexturesUsed[MAX_COMBINED_TEXTURE_IMAGE_UNITS(32 * 6)]; |
2116 | /** Bitfield of which samplers are used */ |
2117 | GLbitfield SamplersUsed; |
2118 | /** Texture units used for shadow sampling. */ |
2119 | GLbitfield ShadowSamplers; |
2120 | /** Texture units used for samplerExternalOES */ |
2121 | GLbitfield ExternalSamplersUsed; |
2122 | |
2123 | /** Named parameters, constants, etc. from program text */ |
2124 | struct gl_program_parameter_list *Parameters; |
2125 | |
2126 | /** Map from sampler unit to texture unit (set by glUniform1i()) */ |
2127 | GLubyte SamplerUnits[MAX_SAMPLERS32]; |
2128 | |
2129 | /* FIXME: We should be able to make this struct a union. However some |
2130 | * drivers (i915/fragment_programs, swrast/prog_execute) mix the use of |
2131 | * these fields, we should fix this. |
2132 | */ |
2133 | struct { |
2134 | /** Fields used by GLSL programs */ |
2135 | struct { |
2136 | /** Data shared by gl_program and gl_shader_program */ |
2137 | struct gl_shader_program_data *data; |
2138 | |
2139 | struct gl_active_atomic_buffer **AtomicBuffers; |
2140 | |
2141 | /** Post-link transform feedback info. */ |
2142 | struct gl_transform_feedback_info *LinkedTransformFeedback; |
2143 | |
2144 | /** |
2145 | * Number of types for subroutine uniforms. |
2146 | */ |
2147 | GLuint NumSubroutineUniformTypes; |
2148 | |
2149 | /** |
2150 | * Subroutine uniform remap table |
2151 | * based on the program level uniform remap table. |
2152 | */ |
2153 | GLuint NumSubroutineUniforms; /* non-sparse total */ |
2154 | GLuint NumSubroutineUniformRemapTable; |
2155 | struct gl_uniform_storage **SubroutineUniformRemapTable; |
2156 | |
2157 | /** |
2158 | * Num of subroutine functions for this stage and storage for them. |
2159 | */ |
2160 | GLuint NumSubroutineFunctions; |
2161 | GLuint MaxSubroutineFunctionIndex; |
2162 | struct gl_subroutine_function *SubroutineFunctions; |
2163 | |
2164 | /** |
2165 | * Map from image uniform index to image unit (set by glUniform1i()) |
2166 | * |
2167 | * An image uniform index is associated with each image uniform by |
2168 | * the linker. The image index associated with each uniform is |
2169 | * stored in the \c gl_uniform_storage::image field. |
2170 | */ |
2171 | GLubyte ImageUnits[MAX_IMAGE_UNIFORMS32]; |
2172 | |
2173 | /** |
2174 | * Access qualifier specified in the shader for each image uniform |
2175 | * index. Either \c GL_READ_ONLY, \c GL_WRITE_ONLY, \c |
2176 | * GL_READ_WRITE, or \c GL_NONE to indicate both read-only and |
2177 | * write-only. |
2178 | * |
2179 | * It may be different, though only more strict than the value of |
2180 | * \c gl_image_unit::Access for the corresponding image unit. |
2181 | */ |
2182 | GLenum16 ImageAccess[MAX_IMAGE_UNIFORMS32]; |
2183 | |
2184 | struct gl_uniform_block **UniformBlocks; |
2185 | struct gl_uniform_block **ShaderStorageBlocks; |
2186 | |
2187 | /** |
2188 | * Bitmask of shader storage blocks not declared as read-only. |
2189 | */ |
2190 | unsigned ShaderStorageBlocksWriteAccess; |
2191 | |
2192 | /** Which texture target is being sampled |
2193 | * (TEXTURE_1D/2D/3D/etc_INDEX) |
2194 | */ |
2195 | GLubyte SamplerTargets[MAX_SAMPLERS32]; |
2196 | |
2197 | /** |
2198 | * Number of samplers declared with the bindless_sampler layout |
2199 | * qualifier as specified by ARB_bindless_texture. |
2200 | */ |
2201 | GLuint NumBindlessSamplers; |
2202 | GLboolean HasBoundBindlessSampler; |
2203 | struct gl_bindless_sampler *BindlessSamplers; |
2204 | |
2205 | /** |
2206 | * Number of images declared with the bindless_image layout qualifier |
2207 | * as specified by ARB_bindless_texture. |
2208 | */ |
2209 | GLuint NumBindlessImages; |
2210 | GLboolean HasBoundBindlessImage; |
2211 | struct gl_bindless_image *BindlessImages; |
2212 | |
2213 | union { |
2214 | struct { |
2215 | /** |
2216 | * A bitmask of gl_advanced_blend_mode values |
2217 | */ |
2218 | GLbitfield BlendSupport; |
2219 | } fs; |
2220 | }; |
2221 | } sh; |
2222 | |
2223 | /** ARB assembly-style program fields */ |
2224 | struct { |
2225 | struct prog_instruction *Instructions; |
2226 | |
2227 | /** |
2228 | * Local parameters used by the program. |
2229 | * |
2230 | * It's dynamically allocated because it is rarely used (just |
2231 | * assembly-style programs), and MAX_PROGRAM_LOCAL_PARAMS entries |
2232 | * once it's allocated. |
2233 | */ |
2234 | GLfloat (*LocalParams)[4]; |
2235 | |
2236 | /** Bitmask of which register files are read/written with indirect |
2237 | * addressing. Mask of (1 << PROGRAM_x) bits. |
2238 | */ |
2239 | GLbitfield IndirectRegisterFiles; |
2240 | |
2241 | /** Logical counts */ |
2242 | /*@{*/ |
2243 | GLuint NumInstructions; |
2244 | GLuint NumTemporaries; |
2245 | GLuint NumParameters; |
2246 | GLuint NumAttributes; |
2247 | GLuint NumAddressRegs; |
2248 | GLuint NumAluInstructions; |
2249 | GLuint NumTexInstructions; |
2250 | GLuint NumTexIndirections; |
2251 | /*@}*/ |
2252 | /** Native, actual h/w counts */ |
2253 | /*@{*/ |
2254 | GLuint NumNativeInstructions; |
2255 | GLuint NumNativeTemporaries; |
2256 | GLuint NumNativeParameters; |
2257 | GLuint NumNativeAttributes; |
2258 | GLuint NumNativeAddressRegs; |
2259 | GLuint NumNativeAluInstructions; |
2260 | GLuint NumNativeTexInstructions; |
2261 | GLuint NumNativeTexIndirections; |
2262 | /*@}*/ |
2263 | |
2264 | /** Used by ARB assembly-style programs. Can only be true for vertex |
2265 | * programs. |
2266 | */ |
2267 | GLboolean IsPositionInvariant; |
2268 | } arb; |
2269 | }; |
2270 | }; |
2271 | |
2272 | |
2273 | /** |
2274 | * State common to vertex and fragment programs. |
2275 | */ |
2276 | struct gl_program_state |
2277 | { |
2278 | GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */ |
2279 | const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_ARB/NV */ |
2280 | }; |
2281 | |
2282 | |
2283 | /** |
2284 | * Context state for vertex programs. |
2285 | */ |
2286 | struct gl_vertex_program_state |
2287 | { |
2288 | GLboolean Enabled; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */ |
2289 | GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */ |
2290 | GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */ |
2291 | /** Should fixed-function T&L be implemented with a vertex prog? */ |
2292 | GLboolean _MaintainTnlProgram; |
2293 | |
2294 | struct gl_program *Current; /**< User-bound vertex program */ |
2295 | |
2296 | /** Currently enabled and valid vertex program (including internal |
2297 | * programs, user-defined vertex programs and GLSL vertex shaders). |
2298 | * This is the program we must use when rendering. |
2299 | */ |
2300 | struct gl_program *_Current; |
2301 | |
2302 | GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS256][4]; /**< Env params */ |
2303 | |
2304 | /** Program to emulate fixed-function T&L (see above) */ |
2305 | struct gl_program *_TnlProgram; |
2306 | |
2307 | /** Cache of fixed-function programs */ |
2308 | struct gl_program_cache *Cache; |
2309 | |
2310 | GLboolean _Overriden; |
2311 | |
2312 | /** |
2313 | * If we have a vertex program, a TNL program or no program at all. |
2314 | * Note that this value should be kept up to date all the time, |
2315 | * nevertheless its correctness is asserted in _mesa_update_state. |
2316 | * The reason is to avoid calling _mesa_update_state twice we need |
2317 | * this value on draw *before* actually calling _mesa_update_state. |
2318 | * Also it should need to get recomputed only on changes to the |
2319 | * vertex program which are heavyweight already. |
2320 | */ |
2321 | gl_vertex_processing_mode _VPMode; |
2322 | }; |
2323 | |
2324 | /** |
2325 | * Context state for tessellation control programs. |
2326 | */ |
2327 | struct gl_tess_ctrl_program_state |
2328 | { |
2329 | /** Currently bound and valid shader. */ |
2330 | struct gl_program *_Current; |
2331 | |
2332 | GLint patch_vertices; |
2333 | GLfloat patch_default_outer_level[4]; |
2334 | GLfloat patch_default_inner_level[2]; |
2335 | }; |
2336 | |
2337 | /** |
2338 | * Context state for tessellation evaluation programs. |
2339 | */ |
2340 | struct gl_tess_eval_program_state |
2341 | { |
2342 | /** Currently bound and valid shader. */ |
2343 | struct gl_program *_Current; |
2344 | }; |
2345 | |
2346 | /** |
2347 | * Context state for geometry programs. |
2348 | */ |
2349 | struct gl_geometry_program_state |
2350 | { |
2351 | /** |
2352 | * Currently enabled and valid program (including internal programs |
2353 | * and compiled shader programs). |
2354 | */ |
2355 | struct gl_program *_Current; |
2356 | }; |
2357 | |
2358 | /** |
2359 | * Context state for fragment programs. |
2360 | */ |
2361 | struct gl_fragment_program_state |
2362 | { |
2363 | GLboolean Enabled; /**< User-set fragment program enable flag */ |
2364 | /** Should fixed-function texturing be implemented with a fragment prog? */ |
2365 | GLboolean _MaintainTexEnvProgram; |
2366 | |
2367 | struct gl_program *Current; /**< User-bound fragment program */ |
2368 | |
2369 | /** |
2370 | * Currently enabled and valid fragment program (including internal |
2371 | * programs, user-defined fragment programs and GLSL fragment shaders). |
2372 | * This is the program we must use when rendering. |
2373 | */ |
2374 | struct gl_program *_Current; |
2375 | |
2376 | GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS256][4]; /**< Env params */ |
2377 | |
2378 | /** Program to emulate fixed-function texture env/combine (see above) */ |
2379 | struct gl_program *_TexEnvProgram; |
2380 | |
2381 | /** Cache of fixed-function programs */ |
2382 | struct gl_program_cache *Cache; |
2383 | }; |
2384 | |
2385 | |
2386 | /** |
2387 | * Context state for compute programs. |
2388 | */ |
2389 | struct gl_compute_program_state |
2390 | { |
2391 | /** Currently enabled and valid program (including internal programs |
2392 | * and compiled shader programs). |
2393 | */ |
2394 | struct gl_program *_Current; |
2395 | }; |
2396 | |
2397 | |
2398 | /** |
2399 | * ATI_fragment_shader runtime state |
2400 | */ |
2401 | |
2402 | struct atifs_instruction; |
2403 | struct atifs_setupinst; |
2404 | |
2405 | /** |
2406 | * ATI fragment shader |
2407 | */ |
2408 | struct ati_fragment_shader |
2409 | { |
2410 | GLuint Id; |
2411 | GLint RefCount; |
2412 | struct atifs_instruction *Instructions[2]; |
2413 | struct atifs_setupinst *SetupInst[2]; |
2414 | GLfloat Constants[8][4]; |
2415 | GLbitfield LocalConstDef; /**< Indicates which constants have been set */ |
2416 | GLubyte numArithInstr[2]; |
2417 | GLubyte regsAssigned[2]; |
2418 | GLubyte NumPasses; /**< 1 or 2 */ |
2419 | /** |
2420 | * Current compile stage: 0 setup pass1, 1 arith pass1, |
2421 | * 2 setup pass2, 3 arith pass2. |
2422 | */ |
2423 | GLubyte cur_pass; |
2424 | GLubyte last_optype; |
2425 | GLboolean interpinp1; |
2426 | GLboolean isValid; |
2427 | /** |
2428 | * Array of 2 bit values for each tex unit to remember whether |
2429 | * STR or STQ swizzle was used |
2430 | */ |
2431 | GLuint swizzlerq; |
2432 | struct gl_program *Program; |
2433 | }; |
2434 | |
2435 | /** |
2436 | * Context state for GL_ATI_fragment_shader |
2437 | */ |
2438 | struct gl_ati_fragment_shader_state |
2439 | { |
2440 | GLboolean Enabled; |
2441 | GLboolean Compiling; |
2442 | GLfloat GlobalConstants[8][4]; |
2443 | struct ati_fragment_shader *Current; |
2444 | }; |
2445 | |
2446 | /** |
2447 | * Shader subroutine function definition |
2448 | */ |
2449 | struct gl_subroutine_function |
2450 | { |
2451 | char *name; |
2452 | int index; |
2453 | int num_compat_types; |
2454 | const struct glsl_type **types; |
2455 | }; |
2456 | |
2457 | /** |
2458 | * Shader information needed by both gl_shader and gl_linked shader. |
2459 | */ |
2460 | struct gl_shader_info |
2461 | { |
2462 | /** |
2463 | * Tessellation Control shader state from layout qualifiers. |
2464 | */ |
2465 | struct { |
2466 | /** |
2467 | * 0 - vertices not declared in shader, or |
2468 | * 1 .. GL_MAX_PATCH_VERTICES |
2469 | */ |
2470 | GLint VerticesOut; |
2471 | } TessCtrl; |
2472 | |
2473 | /** |
2474 | * Tessellation Evaluation shader state from layout qualifiers. |
2475 | */ |
2476 | struct { |
2477 | /** |
2478 | * GL_TRIANGLES, GL_QUADS, GL_ISOLINES or PRIM_UNKNOWN if it's not set |
2479 | * in this shader. |
2480 | */ |
2481 | GLenum16 PrimitiveMode; |
2482 | |
2483 | enum gl_tess_spacing Spacing; |
2484 | |
2485 | /** |
2486 | * GL_CW, GL_CCW, or 0 if it's not set in this shader. |
2487 | */ |
2488 | GLenum16 VertexOrder; |
2489 | /** |
2490 | * 1, 0, or -1 if it's not set in this shader. |
2491 | */ |
2492 | int PointMode; |
2493 | } TessEval; |
2494 | |
2495 | /** |
2496 | * Geometry shader state from GLSL 1.50 layout qualifiers. |
2497 | */ |
2498 | struct { |
2499 | GLint VerticesOut; |
2500 | /** |
2501 | * 0 - Invocations count not declared in shader, or |
2502 | * 1 .. Const.MaxGeometryShaderInvocations |
2503 | */ |
2504 | GLint Invocations; |
2505 | /** |
2506 | * GL_POINTS, GL_LINES, GL_LINES_ADJACENCY, GL_TRIANGLES, or |
2507 | * GL_TRIANGLES_ADJACENCY, or PRIM_UNKNOWN if it's not set in this |
2508 | * shader. |
2509 | */ |
2510 | GLenum16 InputType; |
2511 | /** |
2512 | * GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP, or PRIM_UNKNOWN if |
2513 | * it's not set in this shader. |
2514 | */ |
2515 | GLenum16 OutputType; |
2516 | } Geom; |
2517 | |
2518 | /** |
2519 | * Compute shader state from ARB_compute_shader and |
2520 | * ARB_compute_variable_group_size layout qualifiers. |
2521 | */ |
2522 | struct { |
2523 | /** |
2524 | * Size specified using local_size_{x,y,z}, or all 0's to indicate that |
2525 | * it's not set in this shader. |
2526 | */ |
2527 | unsigned LocalSize[3]; |
2528 | |
2529 | /** |
2530 | * Whether a variable work group size has been specified as defined by |
2531 | * ARB_compute_variable_group_size. |
2532 | */ |
2533 | bool_Bool LocalSizeVariable; |
2534 | |
2535 | /* |
2536 | * Arrangement of invocations used to calculate derivatives in a compute |
2537 | * shader. From NV_compute_shader_derivatives. |
2538 | */ |
2539 | enum gl_derivative_group DerivativeGroup; |
2540 | } Comp; |
2541 | }; |
2542 | |
2543 | /** |
2544 | * A linked GLSL shader object. |
2545 | */ |
2546 | struct gl_linked_shader |
2547 | { |
2548 | gl_shader_stage Stage; |
2549 | |
2550 | #ifdef DEBUG1 |
2551 | unsigned SourceChecksum; |
2552 | #endif |
2553 | |
2554 | struct gl_program *Program; /**< Post-compile assembly code */ |
2555 | |
2556 | /** |
2557 | * \name Sampler tracking |
2558 | * |
2559 | * \note Each of these fields is only set post-linking. |
2560 | */ |
2561 | /*@{*/ |
2562 | GLbitfield shadow_samplers; /**< Samplers used for shadow sampling. */ |
2563 | /*@}*/ |
2564 | |
2565 | /** |
2566 | * Number of default uniform block components used by this shader. |
2567 | * |
2568 | * This field is only set post-linking. |
2569 | */ |
2570 | unsigned num_uniform_components; |
2571 | |
2572 | /** |
2573 | * Number of combined uniform components used by this shader. |
2574 | * |
2575 | * This field is only set post-linking. It is the sum of the uniform block |
2576 | * sizes divided by sizeof(float), and num_uniform_compoennts. |
2577 | */ |
2578 | unsigned num_combined_uniform_components; |
2579 | |
2580 | struct exec_list *ir; |
2581 | struct exec_list *packed_varyings; |
2582 | struct exec_list *fragdata_arrays; |
2583 | struct glsl_symbol_table *symbols; |
2584 | |
2585 | /** |
2586 | * ARB_gl_spirv related data. |
2587 | * |
2588 | * This is actually a reference to the gl_shader::spirv_data, which |
2589 | * stores information that is also needed during linking. |
2590 | */ |
2591 | struct gl_shader_spirv_data *spirv_data; |
2592 | }; |
2593 | |
2594 | |
2595 | /** |
2596 | * Compile status enum. COMPILE_SKIPPED is used to indicate the compile |
2597 | * was skipped due to the shader matching one that's been seen before by |
2598 | * the on-disk cache. |
2599 | */ |
2600 | enum gl_compile_status |
2601 | { |
2602 | COMPILE_FAILURE = 0, |
2603 | COMPILE_SUCCESS, |
2604 | COMPILE_SKIPPED |
2605 | }; |
2606 | |
2607 | /** |
2608 | * A GLSL shader object. |
2609 | */ |
2610 | struct gl_shader |
2611 | { |
2612 | /** GL_FRAGMENT_SHADER || GL_VERTEX_SHADER || GL_GEOMETRY_SHADER_ARB || |
2613 | * GL_TESS_CONTROL_SHADER || GL_TESS_EVALUATION_SHADER. |
2614 | * Must be the first field. |
2615 | */ |
2616 | GLenum16 Type; |
2617 | gl_shader_stage Stage; |
2618 | GLuint Name; /**< AKA the handle */ |
2619 | GLint RefCount; /**< Reference count */ |
2620 | GLchar *Label; /**< GL_KHR_debug */ |
2621 | unsigned char sha1[20]; /**< SHA1 hash of pre-processed source */ |
2622 | GLboolean DeletePending; |
2623 | bool_Bool IsES; /**< True if this shader uses GLSL ES */ |
2624 | |
2625 | enum gl_compile_status CompileStatus; |
2626 | |
2627 | #ifdef DEBUG1 |
2628 | unsigned SourceChecksum; /**< for debug/logging purposes */ |
2629 | #endif |
2630 | const GLchar *Source; /**< Source code string */ |
2631 | |
2632 | const GLchar *FallbackSource; /**< Fallback string used by on-disk cache*/ |
2633 | |
2634 | GLchar *InfoLog; |
2635 | |
2636 | unsigned Version; /**< GLSL version used for linking */ |
2637 | |
2638 | /** |
2639 | * A bitmask of gl_advanced_blend_mode values |
2640 | */ |
2641 | GLbitfield BlendSupport; |
2642 | |
2643 | struct exec_list *ir; |
2644 | struct glsl_symbol_table *symbols; |
2645 | |
2646 | /** |
2647 | * Whether early fragment tests are enabled as defined by |
2648 | * ARB_shader_image_load_store. |
2649 | */ |
2650 | bool_Bool EarlyFragmentTests; |
2651 | |
2652 | bool_Bool ARB_fragment_coord_conventions_enable; |
2653 | |
2654 | bool_Bool redeclares_gl_fragcoord; |
2655 | bool_Bool uses_gl_fragcoord; |
2656 | |
2657 | bool_Bool PostDepthCoverage; |
2658 | bool_Bool PixelInterlockOrdered; |
2659 | bool_Bool PixelInterlockUnordered; |
2660 | bool_Bool SampleInterlockOrdered; |
2661 | bool_Bool SampleInterlockUnordered; |
2662 | bool_Bool InnerCoverage; |
2663 | |
2664 | /** |
2665 | * Fragment shader state from GLSL 1.50 layout qualifiers. |
2666 | */ |
2667 | bool_Bool origin_upper_left; |
2668 | bool_Bool pixel_center_integer; |
2669 | |
2670 | /** |
2671 | * Whether bindless_sampler/bindless_image, and respectively |
2672 | * bound_sampler/bound_image are declared at global scope as defined by |
2673 | * ARB_bindless_texture. |
2674 | */ |
2675 | bool_Bool bindless_sampler; |
2676 | bool_Bool bindless_image; |
2677 | bool_Bool bound_sampler; |
2678 | bool_Bool bound_image; |
2679 | |
2680 | /** |
2681 | * Whether layer output is viewport-relative. |
2682 | */ |
2683 | bool_Bool redeclares_gl_layer; |
2684 | bool_Bool layer_viewport_relative; |
2685 | |
2686 | /** Global xfb_stride out qualifier if any */ |
2687 | GLuint TransformFeedbackBufferStride[MAX_FEEDBACK_BUFFERS4]; |
2688 | |
2689 | struct gl_shader_info info; |
2690 | |
2691 | /* ARB_gl_spirv related data */ |
2692 | struct gl_shader_spirv_data *spirv_data; |
2693 | }; |
2694 | |
2695 | |
2696 | struct gl_uniform_buffer_variable |
2697 | { |
2698 | char *Name; |
2699 | |
2700 | /** |
2701 | * Name of the uniform as seen by glGetUniformIndices. |
2702 | * |
2703 | * glGetUniformIndices requires that the block instance index \b not be |
2704 | * present in the name of queried uniforms. |
2705 | * |
2706 | * \note |
2707 | * \c gl_uniform_buffer_variable::IndexName and |
2708 | * \c gl_uniform_buffer_variable::Name may point to identical storage. |
2709 | */ |
2710 | char *IndexName; |
2711 | |
2712 | const struct glsl_type *Type; |
2713 | unsigned int Offset; |
2714 | GLboolean RowMajor; |
2715 | }; |
2716 | |
2717 | |
2718 | struct gl_uniform_block |
2719 | { |
2720 | /** Declared name of the uniform block */ |
2721 | char *Name; |
2722 | |
2723 | /** Array of supplemental information about UBO ir_variables. */ |
2724 | struct gl_uniform_buffer_variable *Uniforms; |
2725 | GLuint NumUniforms; |
2726 | |
2727 | /** |
2728 | * Index (GL_UNIFORM_BLOCK_BINDING) into ctx->UniformBufferBindings[] to use |
2729 | * with glBindBufferBase to bind a buffer object to this uniform block. |
2730 | */ |
2731 | GLuint Binding; |
2732 | |
2733 | /** |
2734 | * Minimum size (in bytes) of a buffer object to back this uniform buffer |
2735 | * (GL_UNIFORM_BLOCK_DATA_SIZE). |
2736 | */ |
2737 | GLuint UniformBufferSize; |
2738 | |
2739 | /** Stages that reference this block */ |
2740 | uint8_t stageref; |
2741 | |
2742 | /** |
2743 | * Linearized array index for uniform block instance arrays |
2744 | * |
2745 | * Given a uniform block instance array declared with size |
2746 | * blk[s_0][s_1]..[s_m], the block referenced by blk[i_0][i_1]..[i_m] will |
2747 | * have the linearized array index |
2748 | * |
2749 | * m-1 m |
2750 | * i_m + ∑ i_j * ∏ s_k |
2751 | * j=0 k=j+1 |
2752 | * |
2753 | * For a uniform block instance that is not an array, this is always 0. |
2754 | */ |
2755 | uint8_t linearized_array_index; |
2756 | |
2757 | /** |
2758 | * Layout specified in the shader |
2759 | * |
2760 | * This isn't accessible through the API, but it is used while |
2761 | * cross-validating uniform blocks. |
2762 | */ |
2763 | enum glsl_interface_packing _Packing; |
2764 | GLboolean _RowMajor; |
2765 | }; |
2766 | |
2767 | /** |
2768 | * Structure that represents a reference to an atomic buffer from some |
2769 | * shader program. |
2770 | */ |
2771 | struct gl_active_atomic_buffer |
2772 | { |
2773 | /** Uniform indices of the atomic counters declared within it. */ |
2774 | GLuint *Uniforms; |
2775 | GLuint NumUniforms; |
2776 | |
2777 | /** Binding point index associated with it. */ |
2778 | GLuint Binding; |
2779 | |
2780 | /** Minimum reasonable size it is expected to have. */ |
2781 | GLuint MinimumSize; |
2782 | |
2783 | /** Shader stages making use of it. */ |
2784 | GLboolean StageReferences[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
2785 | }; |
2786 | |
2787 | /** |
2788 | * Data container for shader queries. This holds only the minimal |
2789 | * amount of required information for resource queries to work. |
2790 | */ |
2791 | struct gl_shader_variable |
2792 | { |
2793 | /** |
2794 | * Declared type of the variable |
2795 | */ |
2796 | const struct glsl_type *type; |
2797 | |
2798 | /** |
2799 | * If the variable is in an interface block, this is the type of the block. |
2800 | */ |
2801 | const struct glsl_type *interface_type; |
2802 | |
2803 | /** |
2804 | * For variables inside structs (possibly recursively), this is the |
2805 | * outermost struct type. |
2806 | */ |
2807 | const struct glsl_type *outermost_struct_type; |
2808 | |
2809 | /** |
2810 | * Declared name of the variable |
2811 | */ |
2812 | char *name; |
2813 | |
2814 | /** |
2815 | * Storage location of the base of this variable |
2816 | * |
2817 | * The precise meaning of this field depends on the nature of the variable. |
2818 | * |
2819 | * - Vertex shader input: one of the values from \c gl_vert_attrib. |
2820 | * - Vertex shader output: one of the values from \c gl_varying_slot. |
2821 | * - Geometry shader input: one of the values from \c gl_varying_slot. |
2822 | * - Geometry shader output: one of the values from \c gl_varying_slot. |
2823 | * - Fragment shader input: one of the values from \c gl_varying_slot. |
2824 | * - Fragment shader output: one of the values from \c gl_frag_result. |
2825 | * - Uniforms: Per-stage uniform slot number for default uniform block. |
2826 | * - Uniforms: Index within the uniform block definition for UBO members. |
2827 | * - Non-UBO Uniforms: explicit location until linking then reused to |
2828 | * store uniform slot number. |
2829 | * - Other: This field is not currently used. |
2830 | * |
2831 | * If the variable is a uniform, shader input, or shader output, and the |
2832 | * slot has not been assigned, the value will be -1. |
2833 | */ |
2834 | int location; |
2835 | |
2836 | /** |
2837 | * Specifies the first component the variable is stored in as per |
2838 | * ARB_enhanced_layouts. |
2839 | */ |
2840 | unsigned component:2; |
2841 | |
2842 | /** |
2843 | * Output index for dual source blending. |
2844 | * |
2845 | * \note |
2846 | * The GLSL spec only allows the values 0 or 1 for the index in \b dual |
2847 | * source blending. |
2848 | */ |
2849 | unsigned index:1; |
2850 | |
2851 | /** |
2852 | * Specifies whether a shader input/output is per-patch in tessellation |
2853 | * shader stages. |
2854 | */ |
2855 | unsigned patch:1; |
2856 | |
2857 | /** |
2858 | * Storage class of the variable. |
2859 | * |
2860 | * \sa (n)ir_variable_mode |
2861 | */ |
2862 | unsigned mode:4; |
2863 | |
2864 | /** |
2865 | * Interpolation mode for shader inputs / outputs |
2866 | * |
2867 | * \sa glsl_interp_mode |
2868 | */ |
2869 | unsigned interpolation:2; |
2870 | |
2871 | /** |
2872 | * Was the location explicitly set in the shader? |
2873 | * |
2874 | * If the location is explicitly set in the shader, it \b cannot be changed |
2875 | * by the linker or by the API (e.g., calls to \c glBindAttribLocation have |
2876 | * no effect). |
2877 | */ |
2878 | unsigned explicit_location:1; |
2879 | |
2880 | /** |
2881 | * Precision qualifier. |
2882 | */ |
2883 | unsigned precision:2; |
2884 | }; |
2885 | |
2886 | /** |
2887 | * Active resource in a gl_shader_program |
2888 | */ |
2889 | struct gl_program_resource |
2890 | { |
2891 | GLenum16 Type; /** Program interface type. */ |
2892 | const void *Data; /** Pointer to resource associated data structure. */ |
2893 | uint8_t StageReferences; /** Bitmask of shader stage references. */ |
2894 | }; |
2895 | |
2896 | /** |
2897 | * Link status enum. LINKING_SKIPPED is used to indicate linking |
2898 | * was skipped due to the shader being loaded from the on-disk cache. |
2899 | */ |
2900 | enum gl_link_status |
2901 | { |
2902 | LINKING_FAILURE = 0, |
2903 | LINKING_SUCCESS, |
2904 | LINKING_SKIPPED |
2905 | }; |
2906 | |
2907 | /** |
2908 | * A data structure to be shared by gl_shader_program and gl_program. |
2909 | */ |
2910 | struct gl_shader_program_data |
2911 | { |
2912 | GLint RefCount; /**< Reference count */ |
2913 | |
2914 | /** SHA1 hash of linked shader program */ |
2915 | unsigned char sha1[20]; |
2916 | |
2917 | unsigned NumUniformStorage; |
2918 | unsigned NumHiddenUniforms; |
2919 | struct gl_uniform_storage *UniformStorage; |
2920 | |
2921 | unsigned NumUniformBlocks; |
2922 | unsigned NumShaderStorageBlocks; |
2923 | |
2924 | struct gl_uniform_block *UniformBlocks; |
2925 | struct gl_uniform_block *ShaderStorageBlocks; |
2926 | |
2927 | struct gl_active_atomic_buffer *AtomicBuffers; |
2928 | unsigned NumAtomicBuffers; |
2929 | |
2930 | /* Shader cache variables used during restore */ |
2931 | unsigned NumUniformDataSlots; |
2932 | union gl_constant_value *UniformDataSlots; |
2933 | |
2934 | /* Used to hold initial uniform values for program binary restores. |
2935 | * |
2936 | * From the ARB_get_program_binary spec: |
2937 | * |
2938 | * "A successful call to ProgramBinary will reset all uniform |
2939 | * variables to their initial values. The initial value is either |
2940 | * the value of the variable's initializer as specified in the |
2941 | * original shader source, or 0 if no initializer was present. |
2942 | */ |
2943 | union gl_constant_value *UniformDataDefaults; |
2944 | |
2945 | /** Hash for quick search by name. */ |
2946 | struct hash_table_u64 *ProgramResourceHash; |
2947 | |
2948 | GLboolean Validated; |
2949 | |
2950 | /** List of all active resources after linking. */ |
2951 | struct gl_program_resource *ProgramResourceList; |
2952 | unsigned NumProgramResourceList; |
2953 | |
2954 | enum gl_link_status LinkStatus; /**< GL_LINK_STATUS */ |
2955 | GLchar *InfoLog; |
2956 | |
2957 | unsigned Version; /**< GLSL version used for linking */ |
2958 | |
2959 | /* Mask of stages this program was linked against */ |
2960 | unsigned linked_stages; |
2961 | |
2962 | /* Whether the shaders of this program are loaded from SPIR-V binaries |
2963 | * (all have the SPIR_V_BINARY_ARB state). This was introduced by the |
2964 | * ARB_gl_spirv extension. |
2965 | */ |
2966 | bool_Bool spirv; |
2967 | }; |
2968 | |
2969 | /** |
2970 | * A GLSL program object. |
2971 | * Basically a linked collection of vertex and fragment shaders. |
2972 | */ |
2973 | struct gl_shader_program |
2974 | { |
2975 | GLenum16 Type; /**< Always GL_SHADER_PROGRAM (internal token) */ |
2976 | GLuint Name; /**< aka handle or ID */ |
2977 | GLchar *Label; /**< GL_KHR_debug */ |
2978 | GLint RefCount; /**< Reference count */ |
2979 | GLboolean DeletePending; |
2980 | |
2981 | /** |
2982 | * Is the application intending to glGetProgramBinary this program? |
2983 | * |
2984 | * BinaryRetrievableHint is the currently active hint that gets set |
2985 | * during initialization and after linking and BinaryRetrievableHintPending |
2986 | * is the hint set by the user to be active when program is linked next time. |
2987 | */ |
2988 | GLboolean BinaryRetrievableHint; |
2989 | GLboolean BinaryRetrievableHintPending; |
2990 | |
2991 | /** |
2992 | * Indicates whether program can be bound for individual pipeline stages |
2993 | * using UseProgramStages after it is next linked. |
2994 | */ |
2995 | GLboolean SeparateShader; |
2996 | |
2997 | GLuint NumShaders; /**< number of attached shaders */ |
2998 | struct gl_shader **Shaders; /**< List of attached the shaders */ |
2999 | |
3000 | /** |
3001 | * User-defined attribute bindings |
3002 | * |
3003 | * These are set via \c glBindAttribLocation and are used to direct the |
3004 | * GLSL linker. These are \b not the values used in the compiled shader, |
3005 | * and they are \b not the values returned by \c glGetAttribLocation. |
3006 | */ |
3007 | struct string_to_uint_map *AttributeBindings; |
3008 | |
3009 | /** |
3010 | * User-defined fragment data bindings |
3011 | * |
3012 | * These are set via \c glBindFragDataLocation and are used to direct the |
3013 | * GLSL linker. These are \b not the values used in the compiled shader, |
3014 | * and they are \b not the values returned by \c glGetFragDataLocation. |
3015 | */ |
3016 | struct string_to_uint_map *FragDataBindings; |
3017 | struct string_to_uint_map *FragDataIndexBindings; |
3018 | |
3019 | /** |
3020 | * Transform feedback varyings last specified by |
3021 | * glTransformFeedbackVaryings(). |
3022 | * |
3023 | * For the current set of transform feedback varyings used for transform |
3024 | * feedback output, see LinkedTransformFeedback. |
3025 | */ |
3026 | struct { |
3027 | GLenum16 BufferMode; |
3028 | /** Global xfb_stride out qualifier if any */ |
3029 | GLuint BufferStride[MAX_FEEDBACK_BUFFERS4]; |
3030 | GLuint NumVarying; |
3031 | GLchar **VaryingNames; /**< Array [NumVarying] of char * */ |
3032 | } TransformFeedback; |
3033 | |
3034 | struct gl_program *last_vert_prog; |
3035 | |
3036 | /** Post-link gl_FragDepth layout for ARB_conservative_depth. */ |
3037 | enum gl_frag_depth_layout FragDepthLayout; |
3038 | |
3039 | /** |
3040 | * Geometry shader state - copied into gl_program by |
3041 | * _mesa_copy_linked_program_data(). |
3042 | */ |
3043 | struct { |
3044 | GLint VerticesIn; |
3045 | |
3046 | bool_Bool UsesEndPrimitive; |
3047 | bool_Bool UsesStreams; |
3048 | } Geom; |
3049 | |
3050 | /** |
3051 | * Compute shader state - copied into gl_program by |
3052 | * _mesa_copy_linked_program_data(). |
3053 | */ |
3054 | struct { |
3055 | /** |
3056 | * Size of shared variables accessed by the compute shader. |
3057 | */ |
3058 | unsigned SharedSize; |
3059 | } Comp; |
3060 | |
3061 | /** Data shared by gl_program and gl_shader_program */ |
3062 | struct gl_shader_program_data *data; |
3063 | |
3064 | /** |
3065 | * Mapping from GL uniform locations returned by \c glUniformLocation to |
3066 | * UniformStorage entries. Arrays will have multiple contiguous slots |
3067 | * in the UniformRemapTable, all pointing to the same UniformStorage entry. |
3068 | */ |
3069 | unsigned NumUniformRemapTable; |
3070 | struct gl_uniform_storage **UniformRemapTable; |
3071 | |
3072 | /** |
3073 | * Sometimes there are empty slots left over in UniformRemapTable after we |
3074 | * allocate slots to explicit locations. This list stores the blocks of |
3075 | * continuous empty slots inside UniformRemapTable. |
3076 | */ |
3077 | struct exec_list EmptyUniformLocations; |
3078 | |
3079 | /** |
3080 | * Total number of explicit uniform location including inactive uniforms. |
3081 | */ |
3082 | unsigned NumExplicitUniformLocations; |
3083 | |
3084 | /** |
3085 | * Map of active uniform names to locations |
3086 | * |
3087 | * Maps any active uniform that is not an array element to a location. |
3088 | * Each active uniform, including individual structure members will appear |
3089 | * in this map. This roughly corresponds to the set of names that would be |
3090 | * enumerated by \c glGetActiveUniform. |
3091 | */ |
3092 | struct string_to_uint_map *UniformHash; |
3093 | |
3094 | GLboolean SamplersValidated; /**< Samplers validated against texture units? */ |
3095 | |
3096 | bool_Bool IsES; /**< True if this program uses GLSL ES */ |
3097 | |
3098 | /** |
3099 | * Per-stage shaders resulting from the first stage of linking. |
3100 | * |
3101 | * Set of linked shaders for this program. The array is accessed using the |
3102 | * \c MESA_SHADER_* defines. Entries for non-existent stages will be |
3103 | * \c NULL. |
3104 | */ |
3105 | struct gl_linked_shader *_LinkedShaders[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
3106 | |
3107 | /** |
3108 | * True if any of the fragment shaders attached to this program use: |
3109 | * #extension ARB_fragment_coord_conventions: enable |
3110 | */ |
3111 | GLboolean ARB_fragment_coord_conventions_enable; |
3112 | }; |
3113 | |
3114 | |
3115 | #define GLSL_DUMP0x1 0x1 /**< Dump shaders to stdout */ |
3116 | #define GLSL_LOG0x2 0x2 /**< Write shaders to files */ |
3117 | #define GLSL_UNIFORMS0x4 0x4 /**< Print glUniform calls */ |
3118 | #define GLSL_NOP_VERT0x8 0x8 /**< Force no-op vertex shaders */ |
3119 | #define GLSL_NOP_FRAG0x10 0x10 /**< Force no-op fragment shaders */ |
3120 | #define GLSL_USE_PROG0x20 0x20 /**< Log glUseProgram calls */ |
3121 | #define GLSL_REPORT_ERRORS0x40 0x40 /**< Print compilation errors */ |
3122 | #define GLSL_DUMP_ON_ERROR0x80 0x80 /**< Dump shaders to stderr on compile error */ |
3123 | #define GLSL_CACHE_INFO0x100 0x100 /**< Print debug information about shader cache */ |
3124 | #define GLSL_CACHE_FALLBACK0x200 0x200 /**< Force shader cache fallback paths */ |
3125 | |
3126 | |
3127 | /** |
3128 | * Context state for GLSL vertex/fragment shaders. |
3129 | * Extended to support pipeline object |
3130 | */ |
3131 | struct gl_pipeline_object |
3132 | { |
3133 | /** Name of the pipeline object as received from glGenProgramPipelines. |
3134 | * It would be 0 for shaders without separate shader objects. |
3135 | */ |
3136 | GLuint Name; |
3137 | |
3138 | GLint RefCount; |
3139 | |
3140 | GLchar *Label; /**< GL_KHR_debug */ |
3141 | |
3142 | /** |
3143 | * Programs used for rendering |
3144 | * |
3145 | * There is a separate program set for each shader stage. |
3146 | */ |
3147 | struct gl_program *CurrentProgram[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
3148 | |
3149 | struct gl_shader_program *ReferencedPrograms[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
3150 | |
3151 | /** |
3152 | * Program used by glUniform calls. |
3153 | * |
3154 | * Explicitly set by \c glUseProgram and \c glActiveProgramEXT. |
3155 | */ |
3156 | struct gl_shader_program *ActiveProgram; |
3157 | |
3158 | GLbitfield Flags; /**< Mask of GLSL_x flags */ |
3159 | GLboolean EverBound; /**< Has the pipeline object been created */ |
3160 | GLboolean Validated; /**< Pipeline Validation status */ |
3161 | |
3162 | GLchar *InfoLog; |
3163 | }; |
3164 | |
3165 | /** |
3166 | * Context state for GLSL pipeline shaders. |
3167 | */ |
3168 | struct gl_pipeline_shader_state |
3169 | { |
3170 | /** Currently bound pipeline object. See _mesa_BindProgramPipeline() */ |
3171 | struct gl_pipeline_object *Current; |
3172 | |
3173 | /** Default Object to ensure that _Shader is never NULL */ |
3174 | struct gl_pipeline_object *Default; |
3175 | |
3176 | /** Pipeline objects */ |
3177 | struct _mesa_HashTable *Objects; |
3178 | }; |
3179 | |
3180 | /** |
3181 | * Compiler options for a single GLSL shaders type |
3182 | */ |
3183 | struct gl_shader_compiler_options |
3184 | { |
3185 | /** Driver-selectable options: */ |
3186 | GLboolean EmitNoLoops; |
3187 | GLboolean EmitNoCont; /**< Emit CONT opcode? */ |
3188 | GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */ |
3189 | GLboolean EmitNoPow; /**< Emit POW opcodes? */ |
3190 | GLboolean EmitNoSat; /**< Emit SAT opcodes? */ |
3191 | GLboolean LowerCombinedClipCullDistance; /** Lower gl_ClipDistance and |
3192 | * gl_CullDistance together from |
3193 | * float[8] to vec4[2] |
3194 | **/ |
3195 | GLbitfield LowerBuiltinVariablesXfb; /**< Which builtin variables should |
3196 | * be lowered for transform feedback |
3197 | **/ |
3198 | |
3199 | /** |
3200 | * If we can lower the precision of variables based on precision |
3201 | * qualifiers |
3202 | */ |
3203 | GLboolean LowerPrecision; |
3204 | |
3205 | /** |
3206 | * \name Forms of indirect addressing the driver cannot do. |
3207 | */ |
3208 | /*@{*/ |
3209 | GLboolean EmitNoIndirectInput; /**< No indirect addressing of inputs */ |
3210 | GLboolean EmitNoIndirectOutput; /**< No indirect addressing of outputs */ |
3211 | GLboolean EmitNoIndirectTemp; /**< No indirect addressing of temps */ |
3212 | GLboolean EmitNoIndirectUniform; /**< No indirect addressing of constants */ |
3213 | GLboolean EmitNoIndirectSampler; /**< No indirect addressing of samplers */ |
3214 | /*@}*/ |
3215 | |
3216 | GLuint MaxIfDepth; /**< Maximum nested IF blocks */ |
3217 | GLuint MaxUnrollIterations; |
3218 | |
3219 | /** |
3220 | * Optimize code for array of structures backends. |
3221 | * |
3222 | * This is a proxy for: |
3223 | * - preferring DP4 instructions (rather than MUL/MAD) for |
3224 | * matrix * vector operations, such as position transformation. |
3225 | */ |
3226 | GLboolean OptimizeForAOS; |
3227 | |
3228 | /** Lower UBO and SSBO access to intrinsics. */ |
3229 | GLboolean LowerBufferInterfaceBlocks; |
3230 | |
3231 | /** Clamp UBO and SSBO block indices so they don't go out-of-bounds. */ |
3232 | GLboolean ClampBlockIndicesToArrayBounds; |
3233 | |
3234 | /** (driconf) Force gl_Position to be considered invariant */ |
3235 | GLboolean PositionAlwaysInvariant; |
3236 | |
3237 | const struct nir_shader_compiler_options *NirOptions; |
3238 | }; |
3239 | |
3240 | |
3241 | /** |
3242 | * Occlusion/timer query object. |
3243 | */ |
3244 | struct gl_query_object |
3245 | { |
3246 | GLenum16 Target; /**< The query target, when active */ |
3247 | GLuint Id; /**< hash table ID/name */ |
3248 | GLchar *Label; /**< GL_KHR_debug */ |
3249 | GLuint64EXT Result; /**< the counter */ |
3250 | GLboolean Active; /**< inside Begin/EndQuery */ |
3251 | GLboolean Ready; /**< result is ready? */ |
3252 | GLboolean EverBound;/**< has query object ever been bound */ |
3253 | GLuint Stream; /**< The stream */ |
3254 | }; |
3255 | |
3256 | |
3257 | /** |
3258 | * Context state for query objects. |
3259 | */ |
3260 | struct gl_query_state |
3261 | { |
3262 | struct _mesa_HashTable *QueryObjects; |
3263 | struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */ |
3264 | struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */ |
3265 | |
3266 | /** GL_NV_conditional_render */ |
3267 | struct gl_query_object *CondRenderQuery; |
3268 | |
3269 | /** GL_EXT_transform_feedback */ |
3270 | struct gl_query_object *PrimitivesGenerated[MAX_VERTEX_STREAMS4]; |
3271 | struct gl_query_object *PrimitivesWritten[MAX_VERTEX_STREAMS4]; |
3272 | |
3273 | /** GL_ARB_transform_feedback_overflow_query */ |
3274 | struct gl_query_object *TransformFeedbackOverflow[MAX_VERTEX_STREAMS4]; |
3275 | struct gl_query_object *TransformFeedbackOverflowAny; |
3276 | |
3277 | /** GL_ARB_timer_query */ |
3278 | struct gl_query_object *TimeElapsed; |
3279 | |
3280 | /** GL_ARB_pipeline_statistics_query */ |
3281 | struct gl_query_object *pipeline_stats[MAX_PIPELINE_STATISTICS11]; |
3282 | |
3283 | GLenum16 CondRenderMode; |
3284 | }; |
3285 | |
3286 | |
3287 | /** Sync object state */ |
3288 | struct gl_sync_object |
3289 | { |
3290 | GLuint Name; /**< Fence name */ |
3291 | GLint RefCount; /**< Reference count */ |
3292 | GLchar *Label; /**< GL_KHR_debug */ |
3293 | GLboolean DeletePending; /**< Object was deleted while there were still |
3294 | * live references (e.g., sync not yet finished) |
3295 | */ |
3296 | GLenum16 SyncCondition; |
3297 | GLbitfield Flags; /**< Flags passed to glFenceSync */ |
3298 | GLuint StatusFlag:1; /**< Has the sync object been signaled? */ |
3299 | }; |
3300 | |
3301 | |
3302 | /** |
3303 | * State which can be shared by multiple contexts: |
3304 | */ |
3305 | struct gl_shared_state |
3306 | { |
3307 | simple_mtx_t Mutex; /**< for thread safety */ |
3308 | GLint RefCount; /**< Reference count */ |
3309 | struct _mesa_HashTable *DisplayList; /**< Display lists hash table */ |
3310 | struct _mesa_HashTable *BitmapAtlas; /**< For optimized glBitmap text */ |
3311 | struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */ |
3312 | |
3313 | /** Default texture objects (shared by all texture units) */ |
3314 | struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS]; |
3315 | |
3316 | /** Fallback texture used when a bound texture is incomplete */ |
3317 | struct gl_texture_object *FallbackTex[NUM_TEXTURE_TARGETS]; |
3318 | |
3319 | /** |
3320 | * \name Thread safety and statechange notification for texture |
3321 | * objects. |
3322 | * |
3323 | * \todo Improve the granularity of locking. |
3324 | */ |
3325 | /*@{*/ |
3326 | mtx_t TexMutex; /**< texobj thread safety */ |
3327 | GLuint TextureStateStamp; /**< state notification for shared tex */ |
3328 | /*@}*/ |
3329 | |
3330 | /** |
3331 | * \name Vertex/geometry/fragment programs |
3332 | */ |
3333 | /*@{*/ |
3334 | struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */ |
3335 | struct gl_program *DefaultVertexProgram; |
3336 | struct gl_program *DefaultFragmentProgram; |
3337 | /*@}*/ |
3338 | |
3339 | /* GL_ATI_fragment_shader */ |
3340 | struct _mesa_HashTable *ATIShaders; |
3341 | struct ati_fragment_shader *DefaultFragmentShader; |
3342 | |
3343 | struct _mesa_HashTable *BufferObjects; |
3344 | |
3345 | /** Table of both gl_shader and gl_shader_program objects */ |
3346 | struct _mesa_HashTable *ShaderObjects; |
3347 | |
3348 | /* GL_EXT_framebuffer_object */ |
3349 | struct _mesa_HashTable *RenderBuffers; |
3350 | struct _mesa_HashTable *FrameBuffers; |
3351 | |
3352 | /* GL_ARB_sync */ |
3353 | struct set *SyncObjects; |
3354 | |
3355 | /** GL_ARB_sampler_objects */ |
3356 | struct _mesa_HashTable *SamplerObjects; |
3357 | |
3358 | /* GL_ARB_bindless_texture */ |
3359 | struct hash_table_u64 *TextureHandles; |
3360 | struct hash_table_u64 *ImageHandles; |
3361 | mtx_t HandlesMutex; /**< For texture/image handles safety */ |
3362 | |
3363 | /* GL_ARB_shading_language_include */ |
3364 | struct shader_includes *ShaderIncludes; |
3365 | /* glCompileShaderInclude expects ShaderIncludes not to change while it is |
3366 | * in progress. |
3367 | */ |
3368 | mtx_t ShaderIncludeMutex; |
3369 | |
3370 | /** |
3371 | * Some context in this share group was affected by a GPU reset |
3372 | * |
3373 | * On the next call to \c glGetGraphicsResetStatus, contexts that have not |
3374 | * been affected by a GPU reset must also return |
3375 | * \c GL_INNOCENT_CONTEXT_RESET_ARB. |
3376 | * |
3377 | * Once this field becomes true, it is never reset to false. |
3378 | */ |
3379 | bool_Bool ShareGroupReset; |
3380 | |
3381 | /** EXT_external_objects */ |
3382 | struct _mesa_HashTable *MemoryObjects; |
3383 | |
3384 | /** EXT_semaphore */ |
3385 | struct _mesa_HashTable *SemaphoreObjects; |
3386 | |
3387 | /** |
3388 | * Some context in this share group was affected by a disjoint |
3389 | * operation. This operation can be anything that has effects on |
3390 | * values of timer queries in such manner that they become invalid for |
3391 | * performance metrics. As example gpu reset, counter overflow or gpu |
3392 | * frequency changes. |
3393 | */ |
3394 | bool_Bool DisjointOperation; |
3395 | }; |
3396 | |
3397 | |
3398 | |
3399 | /** |
3400 | * Renderbuffers represent drawing surfaces such as color, depth and/or |
3401 | * stencil. A framebuffer object has a set of renderbuffers. |
3402 | * Drivers will typically derive subclasses of this type. |
3403 | */ |
3404 | struct gl_renderbuffer |
3405 | { |
3406 | simple_mtx_t Mutex; /**< for thread safety */ |
3407 | GLuint ClassID; /**< Useful for drivers */ |
3408 | GLuint Name; |
3409 | GLchar *Label; /**< GL_KHR_debug */ |
3410 | GLint RefCount; |
3411 | GLuint Width, Height; |
3412 | GLuint Depth; |
3413 | GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */ |
3414 | GLboolean AttachedAnytime; /**< TRUE if it was attached to a framebuffer */ |
3415 | /** |
3416 | * True for renderbuffers that wrap textures, giving the driver a chance to |
3417 | * flush render caches through the FinishRenderTexture hook. |
3418 | * |
3419 | * Drivers may also set this on renderbuffers other than those generated by |
3420 | * glFramebufferTexture(), though it means FinishRenderTexture() would be |
3421 | * called without a rb->TexImage. |
3422 | */ |
3423 | GLboolean NeedsFinishRenderTexture; |
3424 | GLubyte NumSamples; /**< zero means not multisampled */ |
3425 | GLubyte NumStorageSamples; /**< for AMD_framebuffer_multisample_advanced */ |
3426 | GLenum16 InternalFormat; /**< The user-specified format */ |
3427 | GLenum16 _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or |
3428 | GL_STENCIL_INDEX. */ |
3429 | mesa_format Format; /**< The actual renderbuffer memory format */ |
3430 | /** |
3431 | * Pointer to the texture image if this renderbuffer wraps a texture, |
3432 | * otherwise NULL. |
3433 | * |
3434 | * Note that the reference on the gl_texture_object containing this |
3435 | * TexImage is held by the gl_renderbuffer_attachment. |
3436 | */ |
3437 | struct gl_texture_image *TexImage; |
3438 | |
3439 | /** Delete this renderbuffer */ |
3440 | void (*Delete)(struct gl_context *ctx, struct gl_renderbuffer *rb); |
3441 | |
3442 | /** Allocate new storage for this renderbuffer */ |
3443 | GLboolean (*AllocStorage)(struct gl_context *ctx, |
3444 | struct gl_renderbuffer *rb, |
3445 | GLenum internalFormat, |
3446 | GLuint width, GLuint height); |
3447 | }; |
3448 | |
3449 | |
3450 | /** |
3451 | * A renderbuffer attachment points to either a texture object (and specifies |
3452 | * a mipmap level, cube face or 3D texture slice) or points to a renderbuffer. |
3453 | */ |
3454 | struct gl_renderbuffer_attachment |
3455 | { |
3456 | GLenum16 Type; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */ |
3457 | GLboolean Complete; |
3458 | |
3459 | /** |
3460 | * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the |
3461 | * application supplied renderbuffer object. |
3462 | */ |
3463 | struct gl_renderbuffer *Renderbuffer; |
3464 | |
3465 | /** |
3466 | * If \c Type is \c GL_TEXTURE, this stores a pointer to the application |
3467 | * supplied texture object. |
3468 | */ |
3469 | struct gl_texture_object *Texture; |
3470 | GLuint TextureLevel; /**< Attached mipmap level. */ |
3471 | GLsizei NumSamples; /**< from FramebufferTexture2DMultisampleEXT */ |
3472 | GLuint CubeMapFace; /**< 0 .. 5, for cube map textures. */ |
3473 | GLuint Zoffset; /**< Slice for 3D textures, or layer for both 1D |
3474 | * and 2D array textures */ |
3475 | GLboolean Layered; |
3476 | }; |
3477 | |
3478 | |
3479 | /** |
3480 | * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc). |
3481 | * In C++ terms, think of this as a base class from which device drivers |
3482 | * will make derived classes. |
3483 | */ |
3484 | struct gl_framebuffer |
3485 | { |
3486 | simple_mtx_t Mutex; /**< for thread safety */ |
3487 | /** |
3488 | * If zero, this is a window system framebuffer. If non-zero, this |
3489 | * is a FBO framebuffer; note that for some devices (i.e. those with |
3490 | * a natural pixel coordinate system for FBOs that differs from the |
3491 | * OpenGL/Mesa coordinate system), this means that the viewport, |
3492 | * polygon face orientation, and polygon stipple will have to be inverted. |
3493 | */ |
3494 | GLuint Name; |
3495 | GLint RefCount; |
3496 | |
3497 | GLchar *Label; /**< GL_KHR_debug */ |
3498 | |
3499 | GLboolean DeletePending; |
3500 | |
3501 | /** |
3502 | * The framebuffer's visual. Immutable if this is a window system buffer. |
3503 | * Computed from attachments if user-made FBO. |
3504 | */ |
3505 | struct gl_config Visual; |
3506 | |
3507 | /** |
3508 | * Size of frame buffer in pixels. If there are no attachments, then both |
3509 | * of these are 0. |
3510 | */ |
3511 | GLuint Width, Height; |
3512 | |
3513 | /** |
3514 | * In the case that the framebuffer has no attachment (i.e. |
3515 | * GL_ARB_framebuffer_no_attachments) then the geometry of |
3516 | * the framebuffer is specified by the default values. |
3517 | */ |
3518 | struct { |
3519 | GLuint Width, Height, Layers, NumSamples; |
3520 | GLboolean FixedSampleLocations; |
3521 | /* Derived from NumSamples by the driver so that it can choose a valid |
3522 | * value for the hardware. |
3523 | */ |
3524 | GLuint _NumSamples; |
3525 | } DefaultGeometry; |
3526 | |
3527 | /** \name Drawing bounds (Intersection of buffer size and scissor box) |
3528 | * The drawing region is given by [_Xmin, _Xmax) x [_Ymin, _Ymax), |
3529 | * (inclusive for _Xmin and _Ymin while exclusive for _Xmax and _Ymax) |
3530 | */ |
3531 | /*@{*/ |
3532 | GLint _Xmin, _Xmax; |
3533 | GLint _Ymin, _Ymax; |
3534 | /*@}*/ |
3535 | |
3536 | /** \name Derived Z buffer stuff */ |
3537 | /*@{*/ |
3538 | GLuint _DepthMax; /**< Max depth buffer value */ |
3539 | GLfloat _DepthMaxF; /**< Float max depth buffer value */ |
3540 | GLfloat _MRD; /**< minimum resolvable difference in Z values */ |
3541 | /*@}*/ |
3542 | |
3543 | /** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */ |
3544 | GLenum16 _Status; |
3545 | |
3546 | /** Whether one of Attachment has Type != GL_NONE |
3547 | * NOTE: the values for Width and Height are set to 0 in case of having |
3548 | * no attachments, a backend driver supporting the extension |
3549 | * GL_ARB_framebuffer_no_attachments must check for the flag _HasAttachments |
3550 | * and if GL_FALSE, must then use the values in DefaultGeometry to initialize |
3551 | * its viewport, scissor and so on (in particular _Xmin, _Xmax, _Ymin and |
3552 | * _Ymax do NOT take into account _HasAttachments being false). To get the |
3553 | * geometry of the framebuffer, the helper functions |
3554 | * _mesa_geometric_width(), |
3555 | * _mesa_geometric_height(), |
3556 | * _mesa_geometric_samples() and |
3557 | * _mesa_geometric_layers() |
3558 | * are available that check _HasAttachments. |
3559 | */ |
3560 | bool_Bool _HasAttachments; |
3561 | |
3562 | GLbitfield _IntegerBuffers; /**< Which color buffers are integer valued */ |
3563 | GLbitfield _RGBBuffers; /**< Which color buffers have baseformat == RGB */ |
3564 | GLbitfield _FP32Buffers; /**< Which color buffers are FP32 */ |
3565 | |
3566 | /* ARB_color_buffer_float */ |
3567 | GLboolean _AllColorBuffersFixedPoint; /* no integer, no float */ |
3568 | GLboolean _HasSNormOrFloatColorBuffer; |
3569 | |
3570 | /** |
3571 | * The maximum number of layers in the framebuffer, or 0 if the framebuffer |
3572 | * is not layered. For cube maps and cube map arrays, each cube face |
3573 | * counts as a layer. As the case for Width, Height a backend driver |
3574 | * supporting GL_ARB_framebuffer_no_attachments must use DefaultGeometry |
3575 | * in the case that _HasAttachments is false |
3576 | */ |
3577 | GLuint MaxNumLayers; |
3578 | |
3579 | /** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */ |
3580 | struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT]; |
3581 | |
3582 | /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER |
3583 | * attribute group and GL_PIXEL attribute group, respectively. |
3584 | */ |
3585 | GLenum16 ColorDrawBuffer[MAX_DRAW_BUFFERS8]; |
3586 | GLenum16 ColorReadBuffer; |
3587 | |
3588 | /* GL_ARB_sample_locations */ |
3589 | GLfloat *SampleLocationTable; /**< If NULL, no table has been specified */ |
3590 | GLboolean ProgrammableSampleLocations; |
3591 | GLboolean SampleLocationPixelGrid; |
3592 | |
3593 | /** Computed from ColorDraw/ReadBuffer above */ |
3594 | GLuint _NumColorDrawBuffers; |
3595 | gl_buffer_index _ColorDrawBufferIndexes[MAX_DRAW_BUFFERS8]; |
3596 | gl_buffer_index _ColorReadBufferIndex; |
3597 | struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS8]; |
3598 | struct gl_renderbuffer *_ColorReadBuffer; |
3599 | |
3600 | /* GL_MESA_framebuffer_flip_y */ |
3601 | bool_Bool FlipY; |
3602 | |
3603 | /** Delete this framebuffer */ |
3604 | void (*Delete)(struct gl_framebuffer *fb); |
3605 | }; |
3606 | |
3607 | |
3608 | /** |
3609 | * Precision info for shader datatypes. See glGetShaderPrecisionFormat(). |
3610 | */ |
3611 | struct gl_precision |
3612 | { |
3613 | GLushort RangeMin; /**< min value exponent */ |
3614 | GLushort RangeMax; /**< max value exponent */ |
3615 | GLushort Precision; /**< number of mantissa bits */ |
3616 | }; |
3617 | |
3618 | |
3619 | /** |
3620 | * Limits for vertex, geometry and fragment programs/shaders. |
3621 | */ |
3622 | struct gl_program_constants |
3623 | { |
3624 | /* logical limits */ |
3625 | GLuint MaxInstructions; |
3626 | GLuint MaxAluInstructions; |
3627 | GLuint MaxTexInstructions; |
3628 | GLuint MaxTexIndirections; |
3629 | GLuint MaxAttribs; |
3630 | GLuint MaxTemps; |
3631 | GLuint MaxAddressRegs; |
3632 | GLuint MaxAddressOffset; /**< [-MaxAddressOffset, MaxAddressOffset-1] */ |
3633 | GLuint MaxParameters; |
3634 | GLuint MaxLocalParams; |
3635 | GLuint MaxEnvParams; |
3636 | /* native/hardware limits */ |
3637 | GLuint MaxNativeInstructions; |
3638 | GLuint MaxNativeAluInstructions; |
3639 | GLuint MaxNativeTexInstructions; |
3640 | GLuint MaxNativeTexIndirections; |
3641 | GLuint MaxNativeAttribs; |
3642 | GLuint MaxNativeTemps; |
3643 | GLuint MaxNativeAddressRegs; |
3644 | GLuint MaxNativeParameters; |
3645 | /* For shaders */ |
3646 | GLuint MaxUniformComponents; /**< Usually == MaxParameters * 4 */ |
3647 | |
3648 | /** |
3649 | * \name Per-stage input / output limits |
3650 | * |
3651 | * Previous to OpenGL 3.2, the intrastage data limits were advertised with |
3652 | * a single value: GL_MAX_VARYING_COMPONENTS (GL_MAX_VARYING_VECTORS in |
3653 | * ES). This is stored as \c gl_constants::MaxVarying. |
3654 | * |
3655 | * Starting with OpenGL 3.2, the limits are advertised with per-stage |
3656 | * variables. Each stage as a certain number of outputs that it can feed |
3657 | * to the next stage and a certain number inputs that it can consume from |
3658 | * the previous stage. |
3659 | * |
3660 | * Vertex shader inputs do not participate this in this accounting. |
3661 | * These are tracked exclusively by \c gl_program_constants::MaxAttribs. |
3662 | * |
3663 | * Fragment shader outputs do not participate this in this accounting. |
3664 | * These are tracked exclusively by \c gl_constants::MaxDrawBuffers. |
3665 | */ |
3666 | /*@{*/ |
3667 | GLuint MaxInputComponents; |
3668 | GLuint MaxOutputComponents; |
3669 | /*@}*/ |
3670 | |
3671 | /* ES 2.0 and GL_ARB_ES2_compatibility */ |
3672 | struct gl_precision LowFloat, MediumFloat, HighFloat; |
3673 | struct gl_precision LowInt, MediumInt, HighInt; |
3674 | /* GL_ARB_uniform_buffer_object */ |
3675 | GLuint MaxUniformBlocks; |
3676 | uint64_t MaxCombinedUniformComponents; |
3677 | GLuint MaxTextureImageUnits; |
3678 | |
3679 | /* GL_ARB_shader_atomic_counters */ |
3680 | GLuint MaxAtomicBuffers; |
3681 | GLuint MaxAtomicCounters; |
3682 | |
3683 | /* GL_ARB_shader_image_load_store */ |
3684 | GLuint MaxImageUniforms; |
3685 | |
3686 | /* GL_ARB_shader_storage_buffer_object */ |
3687 | GLuint MaxShaderStorageBlocks; |
3688 | }; |
3689 | |
3690 | /** |
3691 | * Constants which may be overridden by device driver during context creation |
3692 | * but are never changed after that. |
3693 | */ |
3694 | struct gl_constants |
3695 | { |
3696 | GLuint MaxTextureMbytes; /**< Max memory per image, in MB */ |
3697 | GLuint MaxTextureSize; /**< Max 1D/2D texture size, in pixels*/ |
3698 | GLuint Max3DTextureLevels; /**< Max mipmap levels for 3D textures */ |
3699 | GLuint MaxCubeTextureLevels; /**< Max mipmap levels for cube textures */ |
3700 | GLuint MaxArrayTextureLayers; /**< Max layers in array textures */ |
3701 | GLuint MaxTextureRectSize; /**< Max rectangle texture size, in pixes */ |
3702 | GLuint MaxTextureCoordUnits; |
3703 | GLuint MaxCombinedTextureImageUnits; |
3704 | GLuint MaxTextureUnits; /**< = MIN(CoordUnits, FragmentProgram.ImageUnits) */ |
3705 | GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */ |
3706 | GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */ |
3707 | GLuint MaxTextureBufferSize; /**< GL_ARB_texture_buffer_object */ |
3708 | |
3709 | GLuint TextureBufferOffsetAlignment; /**< GL_ARB_texture_buffer_range */ |
3710 | |
3711 | GLuint MaxArrayLockSize; |
3712 | |
3713 | GLint SubPixelBits; |
3714 | |
3715 | GLfloat MinPointSize, MaxPointSize; /**< aliased */ |
3716 | GLfloat MinPointSizeAA, MaxPointSizeAA; /**< antialiased */ |
3717 | GLfloat PointSizeGranularity; |
3718 | GLfloat MinLineWidth, MaxLineWidth; /**< aliased */ |
3719 | GLfloat MinLineWidthAA, MaxLineWidthAA; /**< antialiased */ |
3720 | GLfloat LineWidthGranularity; |
3721 | |
3722 | GLuint MaxClipPlanes; |
3723 | GLuint MaxLights; |
3724 | GLfloat MaxShininess; /**< GL_NV_light_max_exponent */ |
3725 | GLfloat MaxSpotExponent; /**< GL_NV_light_max_exponent */ |
3726 | |
3727 | GLuint MaxViewportWidth, MaxViewportHeight; |
3728 | GLuint MaxViewports; /**< GL_ARB_viewport_array */ |
3729 | GLuint ViewportSubpixelBits; /**< GL_ARB_viewport_array */ |
3730 | struct { |
3731 | GLfloat Min; |
3732 | GLfloat Max; |
3733 | } ViewportBounds; /**< GL_ARB_viewport_array */ |
3734 | GLuint MaxWindowRectangles; /**< GL_EXT_window_rectangles */ |
3735 | |
3736 | struct gl_program_constants Program[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
3737 | GLuint MaxProgramMatrices; |
3738 | GLuint MaxProgramMatrixStackDepth; |
3739 | |
3740 | struct { |
3741 | GLuint SamplesPassed; |
3742 | GLuint TimeElapsed; |
3743 | GLuint Timestamp; |
3744 | GLuint PrimitivesGenerated; |
3745 | GLuint PrimitivesWritten; |
3746 | GLuint VerticesSubmitted; |
3747 | GLuint PrimitivesSubmitted; |
3748 | GLuint VsInvocations; |
3749 | GLuint TessPatches; |
3750 | GLuint TessInvocations; |
3751 | GLuint GsInvocations; |
3752 | GLuint GsPrimitives; |
3753 | GLuint FsInvocations; |
3754 | GLuint ComputeInvocations; |
3755 | GLuint ClInPrimitives; |
3756 | GLuint ClOutPrimitives; |
3757 | } QueryCounterBits; |
3758 | |
3759 | GLuint MaxDrawBuffers; /**< GL_ARB_draw_buffers */ |
3760 | |
3761 | GLuint MaxColorAttachments; /**< GL_EXT_framebuffer_object */ |
3762 | GLuint MaxRenderbufferSize; /**< GL_EXT_framebuffer_object */ |
3763 | GLuint MaxSamples; /**< GL_ARB_framebuffer_object */ |
3764 | |
3765 | /** |
3766 | * GL_ARB_framebuffer_no_attachments |
3767 | */ |
3768 | GLuint MaxFramebufferWidth; |
3769 | GLuint MaxFramebufferHeight; |
3770 | GLuint MaxFramebufferLayers; |
3771 | GLuint MaxFramebufferSamples; |
3772 | |
3773 | /** Number of varying vectors between any two shader stages. */ |
3774 | GLuint MaxVarying; |
3775 | |
3776 | /** @{ |
3777 | * GL_ARB_uniform_buffer_object |
3778 | */ |
3779 | GLuint MaxCombinedUniformBlocks; |
3780 | GLuint MaxUniformBufferBindings; |
3781 | GLuint MaxUniformBlockSize; |
3782 | GLuint UniformBufferOffsetAlignment; |
3783 | /** @} */ |
3784 | |
3785 | /** @{ |
3786 | * GL_ARB_shader_storage_buffer_object |
3787 | */ |
3788 | GLuint MaxCombinedShaderStorageBlocks; |
3789 | GLuint MaxShaderStorageBufferBindings; |
3790 | GLuint MaxShaderStorageBlockSize; |
3791 | GLuint ShaderStorageBufferOffsetAlignment; |
3792 | /** @} */ |
3793 | |
3794 | /** |
3795 | * GL_ARB_explicit_uniform_location |
3796 | */ |
3797 | GLuint MaxUserAssignableUniformLocations; |
3798 | |
3799 | /** geometry shader */ |
3800 | GLuint MaxGeometryOutputVertices; |
3801 | GLuint MaxGeometryTotalOutputComponents; |
3802 | GLuint MaxGeometryShaderInvocations; |
3803 | |
3804 | GLuint GLSLVersion; /**< Desktop GLSL version supported (ex: 120 = 1.20) */ |
3805 | GLuint GLSLVersionCompat; /**< Desktop compat GLSL version supported */ |
3806 | |
3807 | /** |
3808 | * Changes default GLSL extension behavior from "error" to "warn". It's out |
3809 | * of spec, but it can make some apps work that otherwise wouldn't. |
3810 | */ |
3811 | GLboolean ForceGLSLExtensionsWarn; |
3812 | |
3813 | /** |
3814 | * If non-zero, forces GLSL shaders to behave as if they began |
3815 | * with "#version ForceGLSLVersion". |
3816 | */ |
3817 | GLuint ForceGLSLVersion; |
3818 | |
3819 | /** |
3820 | * Allow GLSL #extension directives in the middle of shaders. |
3821 | */ |
3822 | GLboolean AllowGLSLExtensionDirectiveMidShader; |
3823 | |
3824 | /** |
3825 | * Allow builtins as part of constant expressions. This was not allowed |
3826 | * until GLSL 1.20 this allows it everywhere. |
3827 | */ |
3828 | GLboolean AllowGLSLBuiltinConstantExpression; |
3829 | |
3830 | /** |
3831 | * Allow some relaxation of GLSL ES shader restrictions. This encompasses |
3832 | * a number of relaxations to the ES shader rules. |
3833 | */ |
3834 | GLboolean AllowGLSLRelaxedES; |
3835 | |
3836 | /** |
3837 | * Allow GLSL built-in variables to be redeclared verbatim |
3838 | */ |
3839 | GLboolean AllowGLSLBuiltinVariableRedeclaration; |
3840 | |
3841 | /** |
3842 | * Allow GLSL interpolation qualifier mismatch across shader stages. |
3843 | */ |
3844 | GLboolean AllowGLSLCrossStageInterpolationMismatch; |
3845 | |
3846 | /** |
3847 | * Allow creating a higher compat profile (version 3.1+) for apps that |
3848 | * request it. Be careful when adding that driconf option because some |
3849 | * features are unimplemented and might not work correctly. |
3850 | */ |
3851 | GLboolean AllowHigherCompatVersion; |
3852 | |
3853 | /** |
3854 | * Allow layout qualifiers on function parameters. |
3855 | */ |
3856 | GLboolean AllowLayoutQualifiersOnFunctionParameters; |
3857 | |
3858 | /** |
3859 | * Force computing the absolute value for sqrt() and inversesqrt() to follow |
3860 | * D3D9 when apps rely on this behaviour. |
3861 | */ |
3862 | GLboolean ForceGLSLAbsSqrt; |
3863 | |
3864 | /** |
3865 | * Force uninitialized variables to default to zero. |
3866 | */ |
3867 | GLboolean GLSLZeroInit; |
3868 | |
3869 | /** |
3870 | * Treat integer textures using GL_LINEAR filters as GL_NEAREST. |
3871 | */ |
3872 | GLboolean ForceIntegerTexNearest; |
3873 | |
3874 | /** |
3875 | * Does the driver support real 32-bit integers? (Otherwise, integers are |
3876 | * simulated via floats.) |
3877 | */ |
3878 | GLboolean NativeIntegers; |
3879 | |
3880 | /** |
3881 | * Does VertexID count from zero or from base vertex? |
3882 | * |
3883 | * \note |
3884 | * If desktop GLSL 1.30 or GLSL ES 3.00 are not supported, this field is |
3885 | * ignored and need not be set. |
3886 | */ |
3887 | bool_Bool VertexID_is_zero_based; |
3888 | |
3889 | /** |
3890 | * If the driver supports real 32-bit integers, what integer value should be |
3891 | * used for boolean true in uniform uploads? (Usually 1 or ~0.) |
3892 | */ |
3893 | GLuint UniformBooleanTrue; |
3894 | |
3895 | /** |
3896 | * Maximum amount of time, measured in nanseconds, that the server can wait. |
3897 | */ |
3898 | GLuint64 MaxServerWaitTimeout; |
3899 | |
3900 | /** GL_EXT_provoking_vertex */ |
3901 | GLboolean QuadsFollowProvokingVertexConvention; |
3902 | |
3903 | /** GL_ARB_viewport_array */ |
3904 | GLenum16 LayerAndVPIndexProvokingVertex; |
3905 | |
3906 | /** OpenGL version 3.0 */ |
3907 | GLbitfield ContextFlags; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */ |
3908 | |
3909 | /** OpenGL version 3.2 */ |
3910 | GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */ |
3911 | |
3912 | /** OpenGL version 4.4 */ |
3913 | GLuint MaxVertexAttribStride; |
3914 | |
3915 | /** GL_EXT_transform_feedback */ |
3916 | GLuint MaxTransformFeedbackBuffers; |
3917 | GLuint MaxTransformFeedbackSeparateComponents; |
3918 | GLuint MaxTransformFeedbackInterleavedComponents; |
3919 | GLuint MaxVertexStreams; |
3920 | |
3921 | /** GL_EXT_gpu_shader4 */ |
3922 | GLint MinProgramTexelOffset, MaxProgramTexelOffset; |
3923 | |
3924 | /** GL_ARB_texture_gather */ |
3925 | GLuint MinProgramTextureGatherOffset; |
3926 | GLuint MaxProgramTextureGatherOffset; |
3927 | GLuint MaxProgramTextureGatherComponents; |
3928 | |
3929 | /* GL_ARB_robustness */ |
3930 | GLenum16 ResetStrategy; |
3931 | |
3932 | /* GL_KHR_robustness */ |
3933 | GLboolean RobustAccess; |
3934 | |
3935 | /* GL_ARB_blend_func_extended */ |
3936 | GLuint MaxDualSourceDrawBuffers; |
3937 | |
3938 | /** |
3939 | * Whether the implementation strips out and ignores texture borders. |
3940 | * |
3941 | * Many GPU hardware implementations don't support rendering with texture |
3942 | * borders and mipmapped textures. (Note: not static border color, but the |
3943 | * old 1-pixel border around each edge). Implementations then have to do |
3944 | * slow fallbacks to be correct, or just ignore the border and be fast but |
3945 | * wrong. Setting the flag strips the border off of TexImage calls, |
3946 | * providing "fast but wrong" at significantly reduced driver complexity. |
3947 | * |
3948 | * Texture borders are deprecated in GL 3.0. |
3949 | **/ |
3950 | GLboolean StripTextureBorder; |
3951 | |
3952 | /** |
3953 | * For drivers which can do a better job at eliminating unused uniforms |
3954 | * than the GLSL compiler. |
3955 | * |
3956 | * XXX Remove these as soon as a better solution is available. |
3957 | */ |
3958 | GLboolean GLSLSkipStrictMaxUniformLimitCheck; |
3959 | |
3960 | /** |
3961 | * Whether gl_FragCoord, gl_PointCoord and gl_FrontFacing |
3962 | * are system values. |
3963 | **/ |
3964 | bool_Bool GLSLFragCoordIsSysVal; |
3965 | bool_Bool GLSLPointCoordIsSysVal; |
3966 | bool_Bool GLSLFrontFacingIsSysVal; |
3967 | |
3968 | /** |
3969 | * Run the minimum amount of GLSL optimizations to be able to link |
3970 | * shaders optimally (eliminate dead varyings and uniforms) and just do |
3971 | * all the necessary lowering. |
3972 | */ |
3973 | bool_Bool GLSLOptimizeConservatively; |
3974 | |
3975 | /** |
3976 | * Whether to call lower_const_arrays_to_uniforms() during linking. |
3977 | */ |
3978 | bool_Bool GLSLLowerConstArrays; |
3979 | |
3980 | /** |
3981 | * True if gl_TessLevelInner/Outer[] in the TES should be inputs |
3982 | * (otherwise, they're system values). |
3983 | */ |
3984 | bool_Bool GLSLTessLevelsAsInputs; |
3985 | |
3986 | /** |
3987 | * Always use the GetTransformFeedbackVertexCount() driver hook, rather |
3988 | * than passing the transform feedback object to the drawing function. |
3989 | */ |
3990 | GLboolean AlwaysUseGetTransformFeedbackVertexCount; |
3991 | |
3992 | /** GL_ARB_map_buffer_alignment */ |
3993 | GLuint MinMapBufferAlignment; |
3994 | |
3995 | /** |
3996 | * Disable varying packing. This is out of spec, but potentially useful |
3997 | * for older platforms that supports a limited number of texture |
3998 | * indirections--on these platforms, unpacking the varyings in the fragment |
3999 | * shader increases the number of texture indirections by 1, which might |
4000 | * make some shaders not executable at all. |
4001 | * |
4002 | * Drivers that support transform feedback must set this value to GL_FALSE. |
4003 | */ |
4004 | GLboolean DisableVaryingPacking; |
4005 | |
4006 | /** |
4007 | * Disable varying packing if used for transform feedback. This is needed |
4008 | * for some drivers (e.g. Panfrost) where transform feedback requires |
4009 | * unpacked varyings. |
4010 | * |
4011 | * This variable is mutually exlusive with DisableVaryingPacking. |
4012 | */ |
4013 | GLboolean DisableTransformFeedbackPacking; |
4014 | |
4015 | /** |
4016 | * UBOs and SSBOs can be packed tightly by the OpenGL implementation when |
4017 | * layout is set as shared (the default) or packed. However most Mesa drivers |
4018 | * just use STD140 for these layouts. This flag allows drivers to use STD430 |
4019 | * for packed and shared layouts which allows arrays to be packed more |
4020 | * tightly. |
4021 | */ |
4022 | bool_Bool UseSTD430AsDefaultPacking; |
4023 | |
4024 | /** |
4025 | * Should meaningful names be generated for compiler temporary variables? |
4026 | * |
4027 | * Generally, it is not useful to have the compiler generate "meaningful" |
4028 | * names for temporary variables that it creates. This can, however, be a |
4029 | * useful debugging aid. In Mesa debug builds or release builds when |
4030 | * MESA_GLSL is set at run-time, meaningful names will be generated. |
4031 | * Drivers can also force names to be generated by setting this field. |
4032 | * For example, the i965 driver may set it when INTEL_DEBUG=vs (to dump |
4033 | * vertex shader assembly) is set at run-time. |
4034 | */ |
4035 | bool_Bool GenerateTemporaryNames; |
4036 | |
4037 | /* |
4038 | * Maximum value supported for an index in DrawElements and friends. |
4039 | * |
4040 | * This must be at least (1ull<<24)-1. The default value is |
4041 | * (1ull<<32)-1. |
4042 | * |
4043 | * \since ES 3.0 or GL_ARB_ES3_compatibility |
4044 | * \sa _mesa_init_constants |
4045 | */ |
4046 | GLuint64 MaxElementIndex; |
4047 | |
4048 | /** |
4049 | * Disable interpretation of line continuations (lines ending with a |
4050 | * backslash character ('\') in GLSL source. |
4051 | */ |
4052 | GLboolean DisableGLSLLineContinuations; |
4053 | |
4054 | /** GL_ARB_texture_multisample */ |
4055 | GLint MaxColorTextureSamples; |
4056 | GLint MaxDepthTextureSamples; |
4057 | GLint MaxIntegerSamples; |
4058 | |
4059 | /** GL_AMD_framebuffer_multisample_advanced */ |
4060 | GLint MaxColorFramebufferSamples; |
4061 | GLint MaxColorFramebufferStorageSamples; |
4062 | GLint MaxDepthStencilFramebufferSamples; |
4063 | |
4064 | /* An array of supported MSAA modes allowing different sample |
4065 | * counts per attachment type. |
4066 | */ |
4067 | struct { |
4068 | GLint NumColorSamples; |
4069 | GLint NumColorStorageSamples; |
4070 | GLint NumDepthStencilSamples; |
4071 | } SupportedMultisampleModes[40]; |
4072 | GLint NumSupportedMultisampleModes; |
4073 | |
4074 | /** GL_ARB_shader_atomic_counters */ |
4075 | GLuint MaxAtomicBufferBindings; |
4076 | GLuint MaxAtomicBufferSize; |
4077 | GLuint MaxCombinedAtomicBuffers; |
4078 | GLuint MaxCombinedAtomicCounters; |
4079 | |
4080 | /** GL_ARB_vertex_attrib_binding */ |
4081 | GLint MaxVertexAttribRelativeOffset; |
4082 | GLint MaxVertexAttribBindings; |
4083 | |
4084 | /* GL_ARB_shader_image_load_store */ |
4085 | GLuint MaxImageUnits; |
4086 | GLuint MaxCombinedShaderOutputResources; |
4087 | GLuint MaxImageSamples; |
4088 | GLuint MaxCombinedImageUniforms; |
4089 | |
4090 | /** GL_ARB_compute_shader */ |
4091 | GLuint MaxComputeWorkGroupCount[3]; /* Array of x, y, z dimensions */ |
4092 | GLuint MaxComputeWorkGroupSize[3]; /* Array of x, y, z dimensions */ |
4093 | GLuint MaxComputeWorkGroupInvocations; |
4094 | GLuint MaxComputeSharedMemorySize; |
4095 | |
4096 | /** GL_ARB_compute_variable_group_size */ |
4097 | GLuint MaxComputeVariableGroupSize[3]; /* Array of x, y, z dimensions */ |
4098 | GLuint MaxComputeVariableGroupInvocations; |
4099 | |
4100 | /** GL_ARB_gpu_shader5 */ |
4101 | GLfloat MinFragmentInterpolationOffset; |
4102 | GLfloat MaxFragmentInterpolationOffset; |
4103 | |
4104 | GLboolean FakeSWMSAA; |
4105 | |
4106 | /** GL_KHR_context_flush_control */ |
4107 | GLenum16 ContextReleaseBehavior; |
4108 | |
4109 | struct gl_shader_compiler_options ShaderCompilerOptions[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
4110 | |
4111 | /** GL_ARB_tessellation_shader */ |
4112 | GLuint MaxPatchVertices; |
4113 | GLuint MaxTessGenLevel; |
4114 | GLuint MaxTessPatchComponents; |
4115 | GLuint MaxTessControlTotalOutputComponents; |
4116 | bool_Bool LowerTessLevel; /**< Lower gl_TessLevel* from float[n] to vecn? */ |
4117 | bool_Bool PrimitiveRestartForPatches; |
4118 | bool_Bool LowerCsDerivedVariables; /**< Lower gl_GlobalInvocationID and |
4119 | * gl_LocalInvocationIndex based on |
4120 | * other builtin variables. */ |
4121 | |
4122 | /** GL_OES_primitive_bounding_box */ |
4123 | bool_Bool NoPrimitiveBoundingBoxOutput; |
4124 | |
4125 | /** GL_ARB_sparse_buffer */ |
4126 | GLuint SparseBufferPageSize; |
4127 | |
4128 | /** Used as an input for sha1 generation in the on-disk shader cache */ |
4129 | unsigned char *dri_config_options_sha1; |
4130 | |
4131 | /** When drivers are OK with mapped buffers during draw and other calls. */ |
4132 | bool_Bool AllowMappedBuffersDuringExecution; |
4133 | |
4134 | /** |
4135 | * Whether buffer creation, unsynchronized mapping, unmapping, and |
4136 | * deletion is thread-safe. |
4137 | */ |
4138 | bool_Bool BufferCreateMapUnsynchronizedThreadSafe; |
4139 | |
4140 | /** GL_ARB_get_program_binary */ |
4141 | GLuint NumProgramBinaryFormats; |
4142 | |
4143 | /** GL_NV_conservative_raster */ |
4144 | GLuint MaxSubpixelPrecisionBiasBits; |
4145 | |
4146 | /** GL_NV_conservative_raster_dilate */ |
4147 | GLfloat ConservativeRasterDilateRange[2]; |
4148 | GLfloat ConservativeRasterDilateGranularity; |
4149 | |
4150 | /** Is the drivers uniform storage packed or padded to 16 bytes. */ |
4151 | bool_Bool PackedDriverUniformStorage; |
4152 | |
4153 | /** Does the driver make use of the NIR based GLSL linker */ |
4154 | bool_Bool UseNIRGLSLLinker; |
4155 | |
4156 | /** Wether or not glBitmap uses red textures rather than alpha */ |
4157 | bool_Bool BitmapUsesRed; |
4158 | |
4159 | /** Whether the vertex buffer offset is a signed 32-bit integer. */ |
4160 | bool_Bool VertexBufferOffsetIsInt32; |
4161 | |
4162 | /** Whether the driver can handle MultiDrawElements with non-VBO indices. */ |
4163 | bool_Bool MultiDrawWithUserIndices; |
4164 | |
4165 | /** Whether out-of-order draw (Begin/End) optimizations are allowed. */ |
4166 | bool_Bool AllowDrawOutOfOrder; |
4167 | |
4168 | /** GL_ARB_gl_spirv */ |
4169 | struct spirv_supported_capabilities SpirVCapabilities; |
4170 | |
4171 | /** GL_ARB_spirv_extensions */ |
4172 | struct spirv_supported_extensions *SpirVExtensions; |
4173 | |
4174 | char *VendorOverride; |
4175 | |
4176 | /** Buffer size used to upload vertices from glBegin/glEnd. */ |
4177 | unsigned glBeginEndBufferSize; |
4178 | }; |
4179 | |
4180 | |
4181 | /** |
4182 | * Enable flag for each OpenGL extension. Different device drivers will |
4183 | * enable different extensions at runtime. |
4184 | */ |
4185 | struct gl_extensions |
4186 | { |
4187 | GLboolean dummy; /* don't remove this! */ |
4188 | GLboolean dummy_true; /* Set true by _mesa_init_extensions(). */ |
4189 | GLboolean dummy_false; /* Set false by _mesa_init_extensions(). */ |
4190 | GLboolean ANGLE_texture_compression_dxt; |
4191 | GLboolean ARB_ES2_compatibility; |
4192 | GLboolean ARB_ES3_compatibility; |
4193 | GLboolean ARB_ES3_1_compatibility; |
4194 | GLboolean ARB_ES3_2_compatibility; |
4195 | GLboolean ARB_arrays_of_arrays; |
4196 | GLboolean ARB_base_instance; |
4197 | GLboolean ARB_bindless_texture; |
4198 | GLboolean ARB_blend_func_extended; |
4199 | GLboolean ARB_buffer_storage; |
4200 | GLboolean ARB_clear_texture; |
4201 | GLboolean ARB_clip_control; |
4202 | GLboolean ARB_color_buffer_float; |
4203 | GLboolean ARB_compatibility; |
4204 | GLboolean ARB_compute_shader; |
4205 | GLboolean ARB_compute_variable_group_size; |
4206 | GLboolean ARB_conditional_render_inverted; |
4207 | GLboolean ARB_conservative_depth; |
4208 | GLboolean ARB_copy_image; |
4209 | GLboolean ARB_cull_distance; |
4210 | GLboolean ARB_depth_buffer_float; |
4211 | GLboolean ARB_depth_clamp; |
4212 | GLboolean ARB_depth_texture; |
4213 | GLboolean ARB_derivative_control; |
4214 | GLboolean ARB_draw_buffers_blend; |
4215 | GLboolean ARB_draw_elements_base_vertex; |
4216 | GLboolean ARB_draw_indirect; |
4217 | GLboolean ARB_draw_instanced; |
4218 | GLboolean ARB_fragment_coord_conventions; |
4219 | GLboolean ARB_fragment_layer_viewport; |
4220 | GLboolean ARB_fragment_program; |
4221 | GLboolean ARB_fragment_program_shadow; |
4222 | GLboolean ARB_fragment_shader; |
4223 | GLboolean ARB_framebuffer_no_attachments; |
4224 | GLboolean ARB_framebuffer_object; |
4225 | GLboolean ARB_fragment_shader_interlock; |
4226 | GLboolean ARB_enhanced_layouts; |
4227 | GLboolean ARB_explicit_attrib_location; |
4228 | GLboolean ARB_explicit_uniform_location; |
4229 | GLboolean ARB_gl_spirv; |
4230 | GLboolean ARB_gpu_shader5; |
4231 | GLboolean ARB_gpu_shader_fp64; |
4232 | GLboolean ARB_gpu_shader_int64; |
4233 | GLboolean ARB_half_float_vertex; |
4234 | GLboolean ARB_indirect_parameters; |
4235 | GLboolean ARB_instanced_arrays; |
4236 | GLboolean ARB_internalformat_query; |
4237 | GLboolean ARB_internalformat_query2; |
4238 | GLboolean ARB_map_buffer_range; |
4239 | GLboolean ARB_occlusion_query; |
4240 | GLboolean ARB_occlusion_query2; |
4241 | GLboolean ARB_pipeline_statistics_query; |
4242 | GLboolean ARB_point_sprite; |
4243 | GLboolean ARB_polygon_offset_clamp; |
4244 | GLboolean ARB_post_depth_coverage; |
4245 | GLboolean ARB_query_buffer_object; |
4246 | GLboolean ARB_robust_buffer_access_behavior; |
4247 | GLboolean ARB_sample_locations; |
4248 | GLboolean ARB_sample_shading; |
4249 | GLboolean ARB_seamless_cube_map; |
4250 | GLboolean ARB_shader_atomic_counter_ops; |
4251 | GLboolean ARB_shader_atomic_counters; |
4252 | GLboolean ARB_shader_ballot; |
4253 | GLboolean ARB_shader_bit_encoding; |
4254 | GLboolean ARB_shader_clock; |
4255 | GLboolean ARB_shader_draw_parameters; |
4256 | GLboolean ARB_shader_group_vote; |
4257 | GLboolean ARB_shader_image_load_store; |
4258 | GLboolean ARB_shader_image_size; |
4259 | GLboolean ARB_shader_precision; |
4260 | GLboolean ARB_shader_stencil_export; |
4261 | GLboolean ARB_shader_storage_buffer_object; |
4262 | GLboolean ARB_shader_texture_image_samples; |
4263 | GLboolean ARB_shader_texture_lod; |
4264 | GLboolean ARB_shader_viewport_layer_array; |
4265 | GLboolean ARB_shading_language_packing; |
4266 | GLboolean ARB_shading_language_420pack; |
4267 | GLboolean ARB_shadow; |
4268 | GLboolean ARB_sparse_buffer; |
4269 | GLboolean ARB_stencil_texturing; |
4270 | GLboolean ARB_spirv_extensions; |
4271 | GLboolean ARB_sync; |
4272 | GLboolean ARB_tessellation_shader; |
4273 | GLboolean ARB_texture_border_clamp; |
4274 | GLboolean ARB_texture_buffer_object; |
4275 | GLboolean ARB_texture_buffer_object_rgb32; |
4276 | GLboolean ARB_texture_buffer_range; |
4277 | GLboolean ARB_texture_compression_bptc; |
4278 | GLboolean ARB_texture_compression_rgtc; |
4279 | GLboolean ARB_texture_cube_map; |
4280 | GLboolean ARB_texture_cube_map_array; |
4281 | GLboolean ARB_texture_env_combine; |
4282 | GLboolean ARB_texture_env_crossbar; |
4283 | GLboolean ARB_texture_env_dot3; |
4284 | GLboolean ARB_texture_filter_anisotropic; |
4285 | GLboolean ARB_texture_float; |
4286 | GLboolean ARB_texture_gather; |
4287 | GLboolean ARB_texture_mirror_clamp_to_edge; |
4288 | GLboolean ARB_texture_multisample; |
4289 | GLboolean ARB_texture_non_power_of_two; |
4290 | GLboolean ARB_texture_stencil8; |
4291 | GLboolean ARB_texture_query_levels; |
4292 | GLboolean ARB_texture_query_lod; |
4293 | GLboolean ARB_texture_rg; |
4294 | GLboolean ARB_texture_rgb10_a2ui; |
4295 | GLboolean ARB_texture_view; |
4296 | GLboolean ARB_timer_query; |
4297 | GLboolean ARB_transform_feedback2; |
4298 | GLboolean ARB_transform_feedback3; |
4299 | GLboolean ARB_transform_feedback_instanced; |
4300 | GLboolean ARB_transform_feedback_overflow_query; |
4301 | GLboolean ARB_uniform_buffer_object; |
4302 | GLboolean ARB_vertex_attrib_64bit; |
4303 | GLboolean ARB_vertex_program; |
4304 | GLboolean ARB_vertex_shader; |
4305 | GLboolean ARB_vertex_type_10f_11f_11f_rev; |
4306 | GLboolean ARB_vertex_type_2_10_10_10_rev; |
4307 | GLboolean ARB_viewport_array; |
4308 | GLboolean EXT_blend_color; |
4309 | GLboolean EXT_blend_equation_separate; |
4310 | GLboolean EXT_blend_func_separate; |
4311 | GLboolean EXT_blend_minmax; |
4312 | GLboolean EXT_demote_to_helper_invocation; |
4313 | GLboolean EXT_depth_bounds_test; |
4314 | GLboolean EXT_disjoint_timer_query; |
4315 | GLboolean EXT_draw_buffers2; |
4316 | GLboolean EXT_EGL_image_storage; |
4317 | GLboolean EXT_float_blend; |
4318 | GLboolean EXT_framebuffer_multisample; |
4319 | GLboolean EXT_framebuffer_multisample_blit_scaled; |
4320 | GLboolean EXT_framebuffer_sRGB; |
4321 | GLboolean EXT_gpu_program_parameters; |
4322 | GLboolean EXT_gpu_shader4; |
4323 | GLboolean EXT_memory_object; |
4324 | GLboolean EXT_memory_object_fd; |
4325 | GLboolean EXT_multisampled_render_to_texture; |
4326 | GLboolean EXT_packed_float; |
4327 | GLboolean EXT_pixel_buffer_object; |
4328 | GLboolean EXT_point_parameters; |
4329 | GLboolean EXT_provoking_vertex; |
4330 | GLboolean EXT_render_snorm; |
4331 | GLboolean EXT_semaphore; |
4332 | GLboolean EXT_semaphore_fd; |
4333 | GLboolean EXT_shader_image_load_formatted; |
4334 | GLboolean EXT_shader_image_load_store; |
4335 | GLboolean EXT_shader_integer_mix; |
4336 | GLboolean EXT_shader_samples_identical; |
4337 | GLboolean EXT_sRGB; |
4338 | GLboolean EXT_stencil_two_side; |
4339 | GLboolean EXT_texture_array; |
4340 | GLboolean EXT_texture_buffer_object; |
4341 | GLboolean EXT_texture_compression_latc; |
4342 | GLboolean EXT_texture_compression_s3tc; |
4343 | GLboolean EXT_texture_compression_s3tc_srgb; |
4344 | GLboolean EXT_texture_env_dot3; |
4345 | GLboolean EXT_texture_filter_anisotropic; |
4346 | GLboolean EXT_texture_integer; |
4347 | GLboolean EXT_texture_mirror_clamp; |
4348 | GLboolean EXT_texture_norm16; |
4349 | GLboolean EXT_texture_shadow_lod; |
4350 | GLboolean EXT_texture_shared_exponent; |
4351 | GLboolean EXT_texture_snorm; |
4352 | GLboolean EXT_texture_sRGB; |
4353 | GLboolean EXT_texture_sRGB_R8; |
4354 | GLboolean EXT_texture_sRGB_decode; |
4355 | GLboolean EXT_texture_swizzle; |
4356 | GLboolean EXT_texture_type_2_10_10_10_REV; |
4357 | GLboolean EXT_transform_feedback; |
4358 | GLboolean EXT_timer_query; |
4359 | GLboolean EXT_vertex_array_bgra; |
4360 | GLboolean EXT_window_rectangles; |
4361 | GLboolean OES_copy_image; |
4362 | GLboolean OES_primitive_bounding_box; |
4363 | GLboolean OES_sample_variables; |
4364 | GLboolean OES_standard_derivatives; |
4365 | GLboolean OES_texture_buffer; |
4366 | GLboolean OES_texture_cube_map_array; |
4367 | GLboolean OES_texture_view; |
4368 | GLboolean OES_viewport_array; |
4369 | /* vendor extensions */ |
4370 | GLboolean AMD_compressed_ATC_texture; |
4371 | GLboolean AMD_framebuffer_multisample_advanced; |
4372 | GLboolean AMD_depth_clamp_separate; |
4373 | GLboolean AMD_performance_monitor; |
4374 | GLboolean AMD_pinned_memory; |
4375 | GLboolean AMD_seamless_cubemap_per_texture; |
4376 | GLboolean AMD_vertex_shader_layer; |
4377 | GLboolean AMD_vertex_shader_viewport_index; |
4378 | GLboolean ANDROID_extension_pack_es31a; |
4379 | GLboolean APPLE_object_purgeable; |
4380 | GLboolean ATI_meminfo; |
4381 | GLboolean ATI_texture_compression_3dc; |
4382 | GLboolean ATI_texture_mirror_once; |
4383 | GLboolean ATI_texture_env_combine3; |
4384 | GLboolean ATI_fragment_shader; |
4385 | GLboolean GREMEDY_string_marker; |
4386 | GLboolean INTEL_blackhole_render; |
4387 | GLboolean INTEL_conservative_rasterization; |
4388 | GLboolean INTEL_performance_query; |
4389 | GLboolean INTEL_shader_atomic_float_minmax; |
4390 | GLboolean INTEL_shader_integer_functions2; |
4391 | GLboolean KHR_blend_equation_advanced; |
4392 | GLboolean KHR_blend_equation_advanced_coherent; |
4393 | GLboolean KHR_robustness; |
4394 | GLboolean KHR_texture_compression_astc_hdr; |
4395 | GLboolean KHR_texture_compression_astc_ldr; |
4396 | GLboolean KHR_texture_compression_astc_sliced_3d; |
4397 | GLboolean MESA_framebuffer_flip_y; |
4398 | GLboolean MESA_tile_raster_order; |
4399 | GLboolean MESA_pack_invert; |
4400 | GLboolean EXT_shader_framebuffer_fetch; |
4401 | GLboolean EXT_shader_framebuffer_fetch_non_coherent; |
4402 | GLboolean MESA_shader_integer_functions; |
4403 | GLboolean MESA_ycbcr_texture; |
4404 | GLboolean NV_alpha_to_coverage_dither_control; |
4405 | GLboolean NV_compute_shader_derivatives; |
4406 | GLboolean NV_conditional_render; |
4407 | GLboolean NV_copy_image; |
4408 | GLboolean NV_fill_rectangle; |
4409 | GLboolean NV_fog_distance; |
4410 | GLboolean NV_point_sprite; |
4411 | GLboolean NV_primitive_restart; |
4412 | GLboolean NV_shader_atomic_float; |
4413 | GLboolean NV_texture_barrier; |
4414 | GLboolean NV_texture_env_combine4; |
4415 | GLboolean NV_texture_rectangle; |
4416 | GLboolean NV_vdpau_interop; |
4417 | GLboolean NV_conservative_raster; |
4418 | GLboolean NV_conservative_raster_dilate; |
4419 | GLboolean NV_conservative_raster_pre_snap_triangles; |
4420 | GLboolean NV_conservative_raster_pre_snap; |
4421 | GLboolean NV_viewport_array2; |
4422 | GLboolean NV_viewport_swizzle; |
4423 | GLboolean NVX_gpu_memory_info; |
4424 | GLboolean TDFX_texture_compression_FXT1; |
4425 | GLboolean OES_EGL_image; |
4426 | GLboolean OES_draw_texture; |
4427 | GLboolean OES_depth_texture_cube_map; |
4428 | GLboolean OES_EGL_image_external; |
4429 | GLboolean OES_texture_float; |
4430 | GLboolean OES_texture_float_linear; |
4431 | GLboolean OES_texture_half_float; |
4432 | GLboolean OES_texture_half_float_linear; |
4433 | GLboolean OES_compressed_ETC1_RGB8_texture; |
4434 | GLboolean OES_geometry_shader; |
4435 | GLboolean OES_texture_compression_astc; |
4436 | GLboolean extension_sentinel; |
4437 | /** The extension string */ |
4438 | const GLubyte *String; |
4439 | /** Number of supported extensions */ |
4440 | GLuint Count; |
4441 | /** |
4442 | * The context version which extension helper functions compare against. |
4443 | * By default, the value is equal to ctx->Version. This changes to ~0 |
4444 | * while meta is in progress. |
4445 | */ |
4446 | GLubyte Version; |
4447 | }; |
4448 | |
4449 | |
4450 | /** |
4451 | * A stack of matrices (projection, modelview, color, texture, etc). |
4452 | */ |
4453 | struct gl_matrix_stack |
4454 | { |
4455 | GLmatrix *Top; /**< points into Stack */ |
4456 | GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */ |
4457 | unsigned StackSize; /**< Number of elements in Stack */ |
4458 | GLuint Depth; /**< 0 <= Depth < MaxDepth */ |
4459 | GLuint MaxDepth; /**< size of Stack[] array */ |
4460 | GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */ |
4461 | }; |
4462 | |
4463 | |
4464 | /** |
4465 | * \name Bits for image transfer operations |
4466 | * \sa __struct gl_contextRec::ImageTransferState. |
4467 | */ |
4468 | /*@{*/ |
4469 | #define IMAGE_SCALE_BIAS_BIT0x1 0x1 |
4470 | #define IMAGE_SHIFT_OFFSET_BIT0x2 0x2 |
4471 | #define IMAGE_MAP_COLOR_BIT0x4 0x4 |
4472 | #define IMAGE_CLAMP_BIT0x800 0x800 |
4473 | |
4474 | |
4475 | /** Pixel Transfer ops */ |
4476 | #define IMAGE_BITS(0x1 | 0x2 | 0x4) (IMAGE_SCALE_BIAS_BIT0x1 | \ |
4477 | IMAGE_SHIFT_OFFSET_BIT0x2 | \ |
4478 | IMAGE_MAP_COLOR_BIT0x4) |
4479 | |
4480 | |
4481 | /** |
4482 | * \name Bits to indicate what state has changed. |
4483 | */ |
4484 | /*@{*/ |
4485 | #define _NEW_MODELVIEW(1u << 0) (1u << 0) /**< gl_context::ModelView */ |
4486 | #define _NEW_PROJECTION(1u << 1) (1u << 1) /**< gl_context::Projection */ |
4487 | #define _NEW_TEXTURE_MATRIX(1u << 2) (1u << 2) /**< gl_context::TextureMatrix */ |
4488 | #define _NEW_COLOR(1u << 3) (1u << 3) /**< gl_context::Color */ |
4489 | #define _NEW_DEPTH(1u << 4) (1u << 4) /**< gl_context::Depth */ |
4490 | /* gap */ |
4491 | #define _NEW_FOG(1u << 6) (1u << 6) /**< gl_context::Fog */ |
4492 | #define _NEW_HINT(1u << 7) (1u << 7) /**< gl_context::Hint */ |
4493 | #define _NEW_LIGHT(1u << 8) (1u << 8) /**< gl_context::Light */ |
4494 | #define _NEW_LINE(1u << 9) (1u << 9) /**< gl_context::Line */ |
4495 | #define _NEW_PIXEL(1u << 10) (1u << 10) /**< gl_context::Pixel */ |
4496 | #define _NEW_POINT(1u << 11) (1u << 11) /**< gl_context::Point */ |
4497 | #define _NEW_POLYGON(1u << 12) (1u << 12) /**< gl_context::Polygon */ |
4498 | #define _NEW_POLYGONSTIPPLE(1u << 13) (1u << 13) /**< gl_context::PolygonStipple */ |
4499 | #define _NEW_SCISSOR(1u << 14) (1u << 14) /**< gl_context::Scissor */ |
4500 | #define _NEW_STENCIL(1u << 15) (1u << 15) /**< gl_context::Stencil */ |
4501 | #define _NEW_TEXTURE_OBJECT(1u << 16) (1u << 16) /**< gl_context::Texture (bindings only) */ |
4502 | #define _NEW_TRANSFORM(1u << 17) (1u << 17) /**< gl_context::Transform */ |
4503 | #define _NEW_VIEWPORT(1u << 18) (1u << 18) /**< gl_context::Viewport */ |
4504 | #define _NEW_TEXTURE_STATE(1u << 19) (1u << 19) /**< gl_context::Texture (states only) */ |
4505 | /* gap */ |
4506 | #define _NEW_RENDERMODE(1u << 21) (1u << 21) /**< gl_context::RenderMode, etc */ |
4507 | #define _NEW_BUFFERS(1u << 22) (1u << 22) /**< gl_context::Visual, DrawBuffer, */ |
4508 | #define _NEW_CURRENT_ATTRIB(1u << 23) (1u << 23) /**< gl_context::Current */ |
4509 | #define _NEW_MULTISAMPLE(1u << 24) (1u << 24) /**< gl_context::Multisample */ |
4510 | #define _NEW_TRACK_MATRIX(1u << 25) (1u << 25) /**< gl_context::VertexProgram */ |
4511 | #define _NEW_PROGRAM(1u << 26) (1u << 26) /**< New program/shader state */ |
4512 | #define _NEW_PROGRAM_CONSTANTS(1u << 27) (1u << 27) |
4513 | /* gap */ |
4514 | #define _NEW_FRAG_CLAMP(1u << 29) (1u << 29) |
4515 | /* gap, re-use for core Mesa state only; use ctx->DriverFlags otherwise */ |
4516 | #define _NEW_VARYING_VP_INPUTS(1u << 31) (1u << 31) /**< gl_context::varying_vp_inputs */ |
4517 | #define _NEW_ALL~0 ~0 |
4518 | /*@}*/ |
4519 | |
4520 | |
4521 | /** |
4522 | * Composite state flags |
4523 | */ |
4524 | /*@{*/ |
4525 | #define _NEW_TEXTURE((1u << 16) | (1u << 19)) (_NEW_TEXTURE_OBJECT(1u << 16) | _NEW_TEXTURE_STATE(1u << 19)) |
4526 | |
4527 | #define _MESA_NEW_NEED_EYE_COORDS((1u << 8) | (1u << 19) | (1u << 11) | (1u << 26) | (1u << 0)) (_NEW_LIGHT(1u << 8) | \ |
4528 | _NEW_TEXTURE_STATE(1u << 19) | \ |
4529 | _NEW_POINT(1u << 11) | \ |
4530 | _NEW_PROGRAM(1u << 26) | \ |
4531 | _NEW_MODELVIEW(1u << 0)) |
4532 | |
4533 | #define _MESA_NEW_SEPARATE_SPECULAR((1u << 8) | (1u << 6) | (1u << 26)) (_NEW_LIGHT(1u << 8) | \ |
4534 | _NEW_FOG(1u << 6) | \ |
4535 | _NEW_PROGRAM(1u << 26)) |
4536 | |
4537 | |
4538 | /*@}*/ |
4539 | |
4540 | |
4541 | |
4542 | |
4543 | /* This has to be included here. */ |
4544 | #include "dd.h" |
4545 | |
4546 | |
4547 | /** Opaque declaration of display list payload data type */ |
4548 | union gl_dlist_node; |
4549 | |
4550 | |
4551 | /** |
4552 | * Per-display list information. |
4553 | */ |
4554 | struct gl_display_list |
4555 | { |
4556 | GLuint Name; |
4557 | GLbitfield Flags; /**< DLIST_x flags */ |
4558 | GLchar *Label; /**< GL_KHR_debug */ |
4559 | /** The dlist commands are in a linked list of nodes */ |
4560 | union gl_dlist_node *Head; |
4561 | }; |
4562 | |
4563 | |
4564 | /** |
4565 | * State used during display list compilation and execution. |
4566 | */ |
4567 | struct gl_dlist_state |
4568 | { |
4569 | struct gl_display_list *CurrentList; /**< List currently being compiled */ |
4570 | union gl_dlist_node *CurrentBlock; /**< Pointer to current block of nodes */ |
4571 | GLuint CurrentPos; /**< Index into current block of nodes */ |
4572 | GLuint CallDepth; /**< Current recursion calling depth */ |
4573 | |
4574 | GLvertexformat ListVtxfmt; |
4575 | |
4576 | GLubyte ActiveAttribSize[VERT_ATTRIB_MAX]; |
4577 | uint32_t CurrentAttrib[VERT_ATTRIB_MAX][8]; |
4578 | |
4579 | GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX12]; |
4580 | GLfloat CurrentMaterial[MAT_ATTRIB_MAX12][4]; |
4581 | |
4582 | struct { |
4583 | /* State known to have been set by the currently-compiling display |
4584 | * list. Used to eliminate some redundant state changes. |
4585 | */ |
4586 | GLenum16 ShadeModel; |
4587 | } Current; |
4588 | }; |
4589 | |
4590 | /** |
4591 | * Driver-specific state flags. |
4592 | * |
4593 | * These are or'd with gl_context::NewDriverState to notify a driver about |
4594 | * a state change. The driver sets the flags at context creation and |
4595 | * the meaning of the bits set is opaque to core Mesa. |
4596 | */ |
4597 | struct gl_driver_flags |
4598 | { |
4599 | /** gl_context::Array::_DrawArrays (vertex array state) */ |
4600 | uint64_t NewArray; |
4601 | |
4602 | /** gl_context::TransformFeedback::CurrentObject */ |
4603 | uint64_t NewTransformFeedback; |
4604 | |
4605 | /** gl_context::TransformFeedback::CurrentObject::shader_program */ |
4606 | uint64_t NewTransformFeedbackProg; |
4607 | |
4608 | /** gl_context::RasterDiscard */ |
4609 | uint64_t NewRasterizerDiscard; |
4610 | |
4611 | /** gl_context::TileRasterOrder* */ |
4612 | uint64_t NewTileRasterOrder; |
4613 | |
4614 | /** |
4615 | * gl_context::UniformBufferBindings |
4616 | * gl_shader_program::UniformBlocks |
4617 | */ |
4618 | uint64_t NewUniformBuffer; |
4619 | |
4620 | /** |
4621 | * gl_context::ShaderStorageBufferBindings |
4622 | * gl_shader_program::ShaderStorageBlocks |
4623 | */ |
4624 | uint64_t NewShaderStorageBuffer; |
4625 | |
4626 | uint64_t NewTextureBuffer; |
4627 | |
4628 | /** |
4629 | * gl_context::AtomicBufferBindings |
4630 | */ |
4631 | uint64_t NewAtomicBuffer; |
4632 | |
4633 | /** |
4634 | * gl_context::ImageUnits |
4635 | */ |
4636 | uint64_t NewImageUnits; |
4637 | |
4638 | /** |
4639 | * gl_context::TessCtrlProgram::patch_default_* |
4640 | */ |
4641 | uint64_t NewDefaultTessLevels; |
4642 | |
4643 | /** |
4644 | * gl_context::IntelConservativeRasterization |
4645 | */ |
4646 | uint64_t NewIntelConservativeRasterization; |
4647 | |
4648 | /** |
4649 | * gl_context::NvConservativeRasterization |
4650 | */ |
4651 | uint64_t NewNvConservativeRasterization; |
4652 | |
4653 | /** |
4654 | * gl_context::ConservativeRasterMode/ConservativeRasterDilate |
4655 | * gl_context::SubpixelPrecisionBias |
4656 | */ |
4657 | uint64_t NewNvConservativeRasterizationParams; |
4658 | |
4659 | /** |
4660 | * gl_context::Scissor::WindowRects |
4661 | */ |
4662 | uint64_t NewWindowRectangles; |
4663 | |
4664 | /** gl_context::Color::sRGBEnabled */ |
4665 | uint64_t NewFramebufferSRGB; |
4666 | |
4667 | /** gl_context::Scissor::EnableFlags */ |
4668 | uint64_t NewScissorTest; |
4669 | |
4670 | /** gl_context::Scissor::ScissorArray */ |
4671 | uint64_t NewScissorRect; |
4672 | |
4673 | /** gl_context::Color::Alpha* */ |
4674 | uint64_t NewAlphaTest; |
4675 | |
4676 | /** gl_context::Color::Blend/Dither */ |
4677 | uint64_t NewBlend; |
4678 | |
4679 | /** gl_context::Color::BlendColor */ |
4680 | uint64_t NewBlendColor; |
4681 | |
4682 | /** gl_context::Color::Color/Index */ |
4683 | uint64_t NewColorMask; |
4684 | |
4685 | /** gl_context::Depth */ |
4686 | uint64_t NewDepth; |
4687 | |
4688 | /** gl_context::Color::LogicOp/ColorLogicOp/IndexLogicOp */ |
4689 | uint64_t NewLogicOp; |
4690 | |
4691 | /** gl_context::Multisample::Enabled */ |
4692 | uint64_t NewMultisampleEnable; |
4693 | |
4694 | /** gl_context::Multisample::SampleAlphaTo* */ |
4695 | uint64_t NewSampleAlphaToXEnable; |
4696 | |
4697 | /** gl_context::Multisample::SampleCoverage/SampleMaskValue */ |
4698 | uint64_t NewSampleMask; |
4699 | |
4700 | /** gl_context::Multisample::(Min)SampleShading */ |
4701 | uint64_t NewSampleShading; |
4702 | |
4703 | /** gl_context::Stencil */ |
4704 | uint64_t NewStencil; |
4705 | |
4706 | /** gl_context::Transform::ClipOrigin/ClipDepthMode */ |
4707 | uint64_t NewClipControl; |
4708 | |
4709 | /** gl_context::Transform::EyeUserPlane */ |
4710 | uint64_t NewClipPlane; |
4711 | |
4712 | /** gl_context::Transform::ClipPlanesEnabled */ |
4713 | uint64_t NewClipPlaneEnable; |
4714 | |
4715 | /** gl_context::Transform::DepthClamp */ |
4716 | uint64_t NewDepthClamp; |
4717 | |
4718 | /** gl_context::Line */ |
4719 | uint64_t NewLineState; |
4720 | |
4721 | /** gl_context::Polygon */ |
4722 | uint64_t NewPolygonState; |
4723 | |
4724 | /** gl_context::PolygonStipple */ |
4725 | uint64_t NewPolygonStipple; |
4726 | |
4727 | /** gl_context::ViewportArray */ |
4728 | uint64_t NewViewport; |
4729 | |
4730 | /** Shader constants (uniforms, program parameters, state constants) */ |
4731 | uint64_t NewShaderConstants[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
4732 | |
4733 | /** Programmable sample location state for gl_context::DrawBuffer */ |
4734 | uint64_t NewSampleLocations; |
4735 | }; |
4736 | |
4737 | struct gl_buffer_binding |
4738 | { |
4739 | struct gl_buffer_object *BufferObject; |
4740 | /** Start of uniform block data in the buffer */ |
4741 | GLintptr Offset; |
4742 | /** Size of data allowed to be referenced from the buffer (in bytes) */ |
4743 | GLsizeiptr Size; |
4744 | /** |
4745 | * glBindBufferBase() indicates that the Size should be ignored and only |
4746 | * limited by the current size of the BufferObject. |
4747 | */ |
4748 | GLboolean AutomaticSize; |
4749 | }; |
4750 | |
4751 | /** |
4752 | * ARB_shader_image_load_store image unit. |
4753 | */ |
4754 | struct gl_image_unit |
4755 | { |
4756 | /** |
4757 | * Texture object bound to this unit. |
4758 | */ |
4759 | struct gl_texture_object *TexObj; |
4760 | |
4761 | /** |
4762 | * Level of the texture object bound to this unit. |
4763 | */ |
4764 | GLubyte Level; |
4765 | |
4766 | /** |
4767 | * \c GL_TRUE if the whole level is bound as an array of layers, \c |
4768 | * GL_FALSE if only some specific layer of the texture is bound. |
4769 | * \sa Layer |
4770 | */ |
4771 | GLboolean Layered; |
4772 | |
4773 | /** |
4774 | * Layer of the texture object bound to this unit as specified by the |
4775 | * application. |
4776 | */ |
4777 | GLushort Layer; |
4778 | |
4779 | /** |
4780 | * Layer of the texture object bound to this unit, or zero if |
4781 | * Layered == false. |
4782 | */ |
4783 | GLushort _Layer; |
4784 | |
4785 | /** |
4786 | * Access allowed to this texture image. Either \c GL_READ_ONLY, |
4787 | * \c GL_WRITE_ONLY or \c GL_READ_WRITE. |
4788 | */ |
4789 | GLenum16 Access; |
4790 | |
4791 | /** |
4792 | * GL internal format that determines the interpretation of the |
4793 | * image memory when shader image operations are performed through |
4794 | * this unit. |
4795 | */ |
4796 | GLenum16 Format; |
4797 | |
4798 | /** |
4799 | * Mesa format corresponding to \c Format. |
4800 | */ |
4801 | mesa_format _ActualFormat:16; |
4802 | }; |
4803 | |
4804 | /** |
4805 | * Shader subroutines storage |
4806 | */ |
4807 | struct gl_subroutine_index_binding |
4808 | { |
4809 | GLuint NumIndex; |
4810 | GLuint *IndexPtr; |
4811 | }; |
4812 | |
4813 | struct gl_texture_handle_object |
4814 | { |
4815 | struct gl_texture_object *texObj; |
4816 | struct gl_sampler_object *sampObj; |
4817 | GLuint64 handle; |
4818 | }; |
4819 | |
4820 | struct gl_image_handle_object |
4821 | { |
4822 | struct gl_image_unit imgObj; |
4823 | GLuint64 handle; |
4824 | }; |
4825 | |
4826 | struct gl_memory_object |
4827 | { |
4828 | GLuint Name; /**< hash table ID/name */ |
4829 | GLboolean Immutable; /**< denotes mutability state of parameters */ |
4830 | GLboolean Dedicated; /**< import memory from a dedicated allocation */ |
4831 | }; |
4832 | |
4833 | struct gl_semaphore_object |
4834 | { |
4835 | GLuint Name; /**< hash table ID/name */ |
4836 | }; |
4837 | |
4838 | /** |
4839 | * Mesa rendering context. |
4840 | * |
4841 | * This is the central context data structure for Mesa. Almost all |
4842 | * OpenGL state is contained in this structure. |
4843 | * Think of this as a base class from which device drivers will derive |
4844 | * sub classes. |
4845 | */ |
4846 | struct gl_context |
Excessive padding in 'struct gl_context' (56 padding bytes, where 0 is optimal). Optimal fields order: Shared, Exec, OutsideBeginEnd, Save, BeginEnd, ContextLost, MarshalExec, CurrentClientDispatch, CurrentServerDispatch, DrawBuffer, ReadBuffer, WinSysDrawBuffer, WinSysReadBuffer, CurrentStack, VersionString, GeometryProgram, ComputeProgram, TessEvalProgram, _Shader, SoftFP64, PerfQuery, DrawIndirectBuffer, ParameterBuffer, DispatchIndirectBuffer, CopyReadBuffer, CopyWriteBuffer, QueryBuffer, UniformBuffer, ShaderStorageBuffer, AtomicBuffer, ExternalVirtualMemoryBuffer, Meta, CurrentRenderbuffer, ErrorDebugFmtString, Debug, NewDriverState, ListExt, swrast_context, swsetup_context, swtnl_context, vbo_context, st, vdpDevice, vdpGetProcAddress, vdpSurfaces, Cache, ResidentTextureHandles, ResidentImageHandles, Program, _ModelProjectMatrix, Feedback, Pipeline, PerfMonitor, ModelviewMatrixStack, ProjectionMatrixStack, Depth, TessCtrlProgram, TransformFeedback, DebugMutex, Pack, Unpack, DefaultPacking, SubroutineIndex, AttribStack, ClientAttribStack, Shader, ATIFragmentShader, Query, ProgramMatrixStack, Extensions, Select, DriverFlags, EvalMap, TextureMatrixStack, Driver, ListState, Const, Array, UniformBufferBindings, AtomicBufferBindings, ShaderStorageBufferBindings, FragmentProgram, VertexProgram, ImageUnits, Texture, GLThread, API, Version, AttribStackDepth, List, ClientAttribStackDepth, ErrorDebugCount, NewState, varying_vp_inputs, _ImageTransferState, _ModelViewInvScale, _ModelViewInvScaleEyespace, TextureStateTimestamp, ConservativeRasterDilate, SubpixelPrecisionBias, Line, _EyeZDir, Accum, Hint, Multisample, PrimitiveBoundingBox, Polygon, Point, Fog, Pixel, Eval, Stencil, PolygonStipple, Visual, Color, Transform, Scissor, ViewportArray, Current, Light, PixelMaps, ErrorValue, RenderMode, ConservativeRasterMode, ExecuteFlag, CompileFlag, ViewportInitialized, _AllowDrawOutOfOrder, _NeedEyeCoords, _ForceEyeCoords, FirstTimeCurrent, HasConfig, RasterDiscard, IntelConservativeRasterization, ConservativeRasterization, IntelBlackholeRender, _AttribZeroAliasesVertex, TileRasterOrderFixed, TileRasterOrderIncreasingX, TileRasterOrderIncreasingY, ShareGroupReset, shader_builtin_ref, TextureFormatSupported, consider reordering the fields or adding explicit padding members | |
4847 | { |
4848 | /** State possibly shared with other contexts in the address space */ |
4849 | struct gl_shared_state *Shared; |
4850 | |
4851 | /** \name API function pointer tables */ |
4852 | /*@{*/ |
4853 | gl_api API; |
4854 | |
4855 | /** |
4856 | * The current dispatch table for non-displaylist-saving execution, either |
4857 | * BeginEnd or OutsideBeginEnd |
4858 | */ |
4859 | struct _glapi_table *Exec; |
4860 | /** |
4861 | * The normal dispatch table for non-displaylist-saving, non-begin/end |
4862 | */ |
4863 | struct _glapi_table *OutsideBeginEnd; |
4864 | /** The dispatch table used between glNewList() and glEndList() */ |
4865 | struct _glapi_table *Save; |
4866 | /** |
4867 | * The dispatch table used between glBegin() and glEnd() (outside of a |
4868 | * display list). Only valid functions between those two are set, which is |
4869 | * mostly just the set in a GLvertexformat struct. |
4870 | */ |
4871 | struct _glapi_table *BeginEnd; |
4872 | /** |
4873 | * Dispatch table for when a graphics reset has happened. |
4874 | */ |
4875 | struct _glapi_table *ContextLost; |
4876 | /** |
4877 | * Dispatch table used to marshal API calls from the client program to a |
4878 | * separate server thread. NULL if API calls are not being marshalled to |
4879 | * another thread. |
4880 | */ |
4881 | struct _glapi_table *MarshalExec; |
4882 | /** |
4883 | * Dispatch table currently in use for fielding API calls from the client |
4884 | * program. If API calls are being marshalled to another thread, this == |
4885 | * MarshalExec. Otherwise it == CurrentServerDispatch. |
4886 | */ |
4887 | struct _glapi_table *CurrentClientDispatch; |
4888 | |
4889 | /** |
4890 | * Dispatch table currently in use for performing API calls. == Save or |
4891 | * Exec. |
4892 | */ |
4893 | struct _glapi_table *CurrentServerDispatch; |
4894 | |
4895 | /*@}*/ |
4896 | |
4897 | struct glthread_state GLThread; |
4898 | |
4899 | struct gl_config Visual; |
4900 | struct gl_framebuffer *DrawBuffer; /**< buffer for writing */ |
4901 | struct gl_framebuffer *ReadBuffer; /**< buffer for reading */ |
4902 | struct gl_framebuffer *WinSysDrawBuffer; /**< set with MakeCurrent */ |
4903 | struct gl_framebuffer *WinSysReadBuffer; /**< set with MakeCurrent */ |
4904 | |
4905 | /** |
4906 | * Device driver function pointer table |
4907 | */ |
4908 | struct dd_function_table Driver; |
4909 | |
4910 | /** Core/Driver constants */ |
4911 | struct gl_constants Const; |
4912 | |
4913 | /** \name The various 4x4 matrix stacks */ |
4914 | /*@{*/ |
4915 | struct gl_matrix_stack ModelviewMatrixStack; |
4916 | struct gl_matrix_stack ProjectionMatrixStack; |
4917 | struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS((8 > 32) ? 8 : 32)]; |
4918 | struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES8]; |
4919 | struct gl_matrix_stack *CurrentStack; /**< Points to one of the above stacks */ |
4920 | /*@}*/ |
4921 | |
4922 | /** Combined modelview and projection matrix */ |
4923 | GLmatrix _ModelProjectMatrix; |
4924 | |
4925 | /** \name Display lists */ |
4926 | struct gl_dlist_state ListState; |
4927 | |
4928 | GLboolean ExecuteFlag; /**< Execute GL commands? */ |
4929 | GLboolean CompileFlag; /**< Compile GL commands into display list? */ |
4930 | |
4931 | /** Extension information */ |
4932 | struct gl_extensions Extensions; |
4933 | |
4934 | /** GL version integer, for example 31 for GL 3.1, or 20 for GLES 2.0. */ |
4935 | GLuint Version; |
4936 | char *VersionString; |
4937 | |
4938 | /** \name State attribute stack (for glPush/PopAttrib) */ |
4939 | /*@{*/ |
4940 | GLuint AttribStackDepth; |
4941 | struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH16]; |
4942 | /*@}*/ |
4943 | |
4944 | /** \name Renderer attribute groups |
4945 | * |
4946 | * We define a struct for each attribute group to make pushing and popping |
4947 | * attributes easy. Also it's a good organization. |
4948 | */ |
4949 | /*@{*/ |
4950 | struct gl_accum_attrib Accum; /**< Accum buffer attributes */ |
4951 | struct gl_colorbuffer_attrib Color; /**< Color buffer attributes */ |
4952 | struct gl_current_attrib Current; /**< Current attributes */ |
4953 | struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */ |
4954 | struct gl_eval_attrib Eval; /**< Eval attributes */ |
4955 | struct gl_fog_attrib Fog; /**< Fog attributes */ |
4956 | struct gl_hint_attrib Hint; /**< Hint attributes */ |
4957 | struct gl_light_attrib Light; /**< Light attributes */ |
4958 | struct gl_line_attrib Line; /**< Line attributes */ |
4959 | struct gl_list_attrib List; /**< List attributes */ |
4960 | struct gl_multisample_attrib Multisample; |
4961 | struct gl_pixel_attrib Pixel; /**< Pixel attributes */ |
4962 | struct gl_point_attrib Point; /**< Point attributes */ |
4963 | struct gl_polygon_attrib Polygon; /**< Polygon attributes */ |
4964 | GLuint PolygonStipple[32]; /**< Polygon stipple */ |
4965 | struct gl_scissor_attrib Scissor; /**< Scissor attributes */ |
4966 | struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */ |
4967 | struct gl_texture_attrib Texture; /**< Texture attributes */ |
4968 | struct gl_transform_attrib Transform; /**< Transformation attributes */ |
4969 | struct gl_viewport_attrib ViewportArray[MAX_VIEWPORTS16]; /**< Viewport attributes */ |
4970 | GLuint SubpixelPrecisionBias[2]; /**< Viewport attributes */ |
4971 | /*@}*/ |
4972 | |
4973 | /** \name Client attribute stack */ |
4974 | /*@{*/ |
4975 | GLuint ClientAttribStackDepth; |
4976 | struct gl_attrib_node *ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH16]; |
4977 | /*@}*/ |
4978 | |
4979 | /** \name Client attribute groups */ |
4980 | /*@{*/ |
4981 | struct gl_array_attrib Array; /**< Vertex arrays */ |
4982 | struct gl_pixelstore_attrib Pack; /**< Pixel packing */ |
4983 | struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */ |
4984 | struct gl_pixelstore_attrib DefaultPacking; /**< Default params */ |
4985 | /*@}*/ |
4986 | |
4987 | /** \name Other assorted state (not pushed/popped on attribute stack) */ |
4988 | /*@{*/ |
4989 | struct gl_pixelmaps PixelMaps; |
4990 | |
4991 | struct gl_evaluators EvalMap; /**< All evaluators */ |
4992 | struct gl_feedback Feedback; /**< Feedback */ |
4993 | struct gl_selection Select; /**< Selection */ |
4994 | |
4995 | struct gl_program_state Program; /**< general program state */ |
4996 | struct gl_vertex_program_state VertexProgram; |
4997 | struct gl_fragment_program_state FragmentProgram; |
4998 | struct gl_geometry_program_state GeometryProgram; |
4999 | struct gl_compute_program_state ComputeProgram; |
5000 | struct gl_tess_ctrl_program_state TessCtrlProgram; |
5001 | struct gl_tess_eval_program_state TessEvalProgram; |
5002 | struct gl_ati_fragment_shader_state ATIFragmentShader; |
5003 | |
5004 | struct gl_pipeline_shader_state Pipeline; /**< GLSL pipeline shader object state */ |
5005 | struct gl_pipeline_object Shader; /**< GLSL shader object state */ |
5006 | |
5007 | /** |
5008 | * Current active shader pipeline state |
5009 | * |
5010 | * Almost all internal users want ::_Shader instead of ::Shader. The |
5011 | * exceptions are bits of legacy GLSL API that do not know about separate |
5012 | * shader objects. |
5013 | * |
5014 | * If a program is active via \c glUseProgram, this will point to |
5015 | * \c ::Shader. |
5016 | * |
5017 | * If a program pipeline is active via \c glBindProgramPipeline, this will |
5018 | * point to \c ::Pipeline.Current. |
5019 | * |
5020 | * If neither a program nor a program pipeline is active, this will point to |
5021 | * \c ::Pipeline.Default. This ensures that \c ::_Shader will never be |
5022 | * \c NULL. |
5023 | */ |
5024 | struct gl_pipeline_object *_Shader; |
5025 | |
5026 | /** |
5027 | * NIR containing the functions that implement software fp64 support. |
5028 | */ |
5029 | struct nir_shader *SoftFP64; |
5030 | |
5031 | struct gl_query_state Query; /**< occlusion, timer queries */ |
5032 | |
5033 | struct gl_transform_feedback_state TransformFeedback; |
5034 | |
5035 | struct gl_perf_monitor_state PerfMonitor; |
5036 | struct gl_perf_query_state PerfQuery; |
5037 | |
5038 | struct gl_buffer_object *DrawIndirectBuffer; /** < GL_ARB_draw_indirect */ |
5039 | struct gl_buffer_object *ParameterBuffer; /** < GL_ARB_indirect_parameters */ |
5040 | struct gl_buffer_object *DispatchIndirectBuffer; /** < GL_ARB_compute_shader */ |
5041 | |
5042 | struct gl_buffer_object *CopyReadBuffer; /**< GL_ARB_copy_buffer */ |
5043 | struct gl_buffer_object *CopyWriteBuffer; /**< GL_ARB_copy_buffer */ |
5044 | |
5045 | struct gl_buffer_object *QueryBuffer; /**< GL_ARB_query_buffer_object */ |
5046 | |
5047 | /** |
5048 | * Current GL_ARB_uniform_buffer_object binding referenced by |
5049 | * GL_UNIFORM_BUFFER target for glBufferData, glMapBuffer, etc. |
5050 | */ |
5051 | struct gl_buffer_object *UniformBuffer; |
5052 | |
5053 | /** |
5054 | * Current GL_ARB_shader_storage_buffer_object binding referenced by |
5055 | * GL_SHADER_STORAGE_BUFFER target for glBufferData, glMapBuffer, etc. |
5056 | */ |
5057 | struct gl_buffer_object *ShaderStorageBuffer; |
5058 | |
5059 | /** |
5060 | * Array of uniform buffers for GL_ARB_uniform_buffer_object and GL 3.1. |
5061 | * This is set up using glBindBufferRange() or glBindBufferBase(). They are |
5062 | * associated with uniform blocks by glUniformBlockBinding()'s state in the |
5063 | * shader program. |
5064 | */ |
5065 | struct gl_buffer_binding |
5066 | UniformBufferBindings[MAX_COMBINED_UNIFORM_BUFFERS(15 * 6)]; |
5067 | |
5068 | /** |
5069 | * Array of shader storage buffers for ARB_shader_storage_buffer_object |
5070 | * and GL 4.3. This is set up using glBindBufferRange() or |
5071 | * glBindBufferBase(). They are associated with shader storage blocks by |
5072 | * glShaderStorageBlockBinding()'s state in the shader program. |
5073 | */ |
5074 | struct gl_buffer_binding |
5075 | ShaderStorageBufferBindings[MAX_COMBINED_SHADER_STORAGE_BUFFERS(16 * 6)]; |
5076 | |
5077 | /** |
5078 | * Object currently associated with the GL_ATOMIC_COUNTER_BUFFER |
5079 | * target. |
5080 | */ |
5081 | struct gl_buffer_object *AtomicBuffer; |
5082 | |
5083 | /** |
5084 | * Object currently associated w/ the GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD |
5085 | * target. |
5086 | */ |
5087 | struct gl_buffer_object *ExternalVirtualMemoryBuffer; |
5088 | |
5089 | /** |
5090 | * Array of atomic counter buffer binding points. |
5091 | */ |
5092 | struct gl_buffer_binding |
5093 | AtomicBufferBindings[MAX_COMBINED_ATOMIC_BUFFERS(15 * 6)]; |
5094 | |
5095 | /** |
5096 | * Array of image units for ARB_shader_image_load_store. |
5097 | */ |
5098 | struct gl_image_unit ImageUnits[MAX_IMAGE_UNITS(32 * 6)]; |
5099 | |
5100 | struct gl_subroutine_index_binding SubroutineIndex[MESA_SHADER_STAGES(MESA_SHADER_COMPUTE + 1)]; |
5101 | /*@}*/ |
5102 | |
5103 | struct gl_meta_state *Meta; /**< for "meta" operations */ |
5104 | |
5105 | /* GL_EXT_framebuffer_object */ |
5106 | struct gl_renderbuffer *CurrentRenderbuffer; |
5107 | |
5108 | GLenum16 ErrorValue; /**< Last error code */ |
5109 | |
5110 | /** |
5111 | * Recognize and silence repeated error debug messages in buggy apps. |
5112 | */ |
5113 | const char *ErrorDebugFmtString; |
5114 | GLuint ErrorDebugCount; |
5115 | |
5116 | /* GL_ARB_debug_output/GL_KHR_debug */ |
5117 | simple_mtx_t DebugMutex; |
5118 | struct gl_debug_state *Debug; |
5119 | |
5120 | GLenum16 RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */ |
5121 | GLbitfield NewState; /**< bitwise-or of _NEW_* flags */ |
5122 | uint64_t NewDriverState; /**< bitwise-or of flags from DriverFlags */ |
5123 | |
5124 | struct gl_driver_flags DriverFlags; |
5125 | |
5126 | GLboolean ViewportInitialized; /**< has viewport size been initialized? */ |
5127 | GLboolean _AllowDrawOutOfOrder; |
5128 | |
5129 | GLbitfield varying_vp_inputs; /**< mask of VERT_BIT_* flags */ |
5130 | |
5131 | /** \name Derived state */ |
5132 | GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */ |
5133 | GLfloat _EyeZDir[3]; |
5134 | GLfloat _ModelViewInvScale; /* may be for model- or eyespace lighting */ |
5135 | GLfloat _ModelViewInvScaleEyespace; /* always factor defined in spec */ |
5136 | GLboolean _NeedEyeCoords; |
5137 | GLboolean _ForceEyeCoords; |
5138 | |
5139 | GLuint TextureStateTimestamp; /**< detect changes to shared state */ |
5140 | |
5141 | struct gl_list_extensions *ListExt; /**< driver dlist extensions */ |
5142 | |
5143 | /** \name For debugging/development only */ |
5144 | /*@{*/ |
5145 | GLboolean FirstTimeCurrent; |
5146 | /*@}*/ |
5147 | |
5148 | /** |
5149 | * False if this context was created without a config. This is needed |
5150 | * because the initial state of glDrawBuffers depends on this |
5151 | */ |
5152 | GLboolean HasConfig; |
5153 | |
5154 | GLboolean TextureFormatSupported[MESA_FORMAT_COUNTPIPE_FORMAT_COUNT]; |
5155 | |
5156 | GLboolean RasterDiscard; /**< GL_RASTERIZER_DISCARD */ |
5157 | GLboolean IntelConservativeRasterization; /**< GL_CONSERVATIVE_RASTERIZATION_INTEL */ |
5158 | GLboolean ConservativeRasterization; /**< GL_CONSERVATIVE_RASTERIZATION_NV */ |
5159 | GLfloat ConservativeRasterDilate; |
5160 | GLenum16 ConservativeRasterMode; |
5161 | |
5162 | GLboolean IntelBlackholeRender; /**< GL_INTEL_blackhole_render */ |
5163 | |
5164 | /** Does glVertexAttrib(0) alias glVertex()? */ |
5165 | bool_Bool _AttribZeroAliasesVertex; |
5166 | |
5167 | /** |
5168 | * When set, TileRasterOrderIncreasingX/Y control the order that a tiled |
5169 | * renderer's tiles should be excecuted, to meet the requirements of |
5170 | * GL_MESA_tile_raster_order. |
5171 | */ |
5172 | GLboolean TileRasterOrderFixed; |
5173 | GLboolean TileRasterOrderIncreasingX; |
5174 | GLboolean TileRasterOrderIncreasingY; |
5175 | |
5176 | /** |
5177 | * \name Hooks for module contexts. |
5178 | * |
5179 | * These will eventually live in the driver or elsewhere. |
5180 | */ |
5181 | /*@{*/ |
5182 | void *swrast_context; |
5183 | void *swsetup_context; |
5184 | void *swtnl_context; |
5185 | struct vbo_context *vbo_context; |
5186 | struct st_context *st; |
5187 | /*@}*/ |
5188 | |
5189 | /** |
5190 | * \name NV_vdpau_interop |
5191 | */ |
5192 | /*@{*/ |
5193 | const void *vdpDevice; |
5194 | const void *vdpGetProcAddress; |
5195 | struct set *vdpSurfaces; |
5196 | /*@}*/ |
5197 | |
5198 | /** |
5199 | * Has this context observed a GPU reset in any context in the share group? |
5200 | * |
5201 | * Once this field becomes true, it is never reset to false. |
5202 | */ |
5203 | GLboolean ShareGroupReset; |
5204 | |
5205 | /** |
5206 | * \name OES_primitive_bounding_box |
5207 | * |
5208 | * Stores the arguments to glPrimitiveBoundingBox |
5209 | */ |
5210 | GLfloat PrimitiveBoundingBox[8]; |
5211 | |
5212 | struct disk_cache *Cache; |
5213 | |
5214 | /** |
5215 | * \name GL_ARB_bindless_texture |
5216 | */ |
5217 | /*@{*/ |
5218 | struct hash_table_u64 *ResidentTextureHandles; |
5219 | struct hash_table_u64 *ResidentImageHandles; |
5220 | /*@}*/ |
5221 | |
5222 | bool_Bool shader_builtin_ref; |
5223 | }; |
5224 | |
5225 | /** |
5226 | * Information about memory usage. All sizes are in kilobytes. |
5227 | */ |
5228 | struct gl_memory_info |
5229 | { |
5230 | unsigned total_device_memory; /**< size of device memory, e.g. VRAM */ |
5231 | unsigned avail_device_memory; /**< free device memory at the moment */ |
5232 | unsigned total_staging_memory; /**< size of staging memory, e.g. GART */ |
5233 | unsigned avail_staging_memory; /**< free staging memory at the moment */ |
5234 | unsigned device_memory_evicted; /**< size of memory evicted (monotonic counter) */ |
5235 | unsigned nr_device_memory_evictions; /**< # of evictions (monotonic counter) */ |
5236 | }; |
5237 | |
5238 | #ifndef NDEBUG |
5239 | extern int MESA_VERBOSE; |
5240 | extern int MESA_DEBUG_FLAGS; |
5241 | #else |
5242 | # define MESA_VERBOSE 0 |
5243 | # define MESA_DEBUG_FLAGS 0 |
5244 | #endif |
5245 | |
5246 | |
5247 | /** The MESA_VERBOSE var is a bitmask of these flags */ |
5248 | enum _verbose |
5249 | { |
5250 | VERBOSE_VARRAY = 0x0001, |
5251 | VERBOSE_TEXTURE = 0x0002, |
5252 | VERBOSE_MATERIAL = 0x0004, |
5253 | VERBOSE_PIPELINE = 0x0008, |
5254 | VERBOSE_DRIVER = 0x0010, |
5255 | VERBOSE_STATE = 0x0020, |
5256 | VERBOSE_API = 0x0040, |
5257 | VERBOSE_DISPLAY_LIST = 0x0100, |
5258 | VERBOSE_LIGHTING = 0x0200, |
5259 | VERBOSE_PRIMS = 0x0400, |
5260 | VERBOSE_VERTS = 0x0800, |
5261 | VERBOSE_DISASSEM = 0x1000, |
5262 | VERBOSE_DRAW = 0x2000, |
5263 | VERBOSE_SWAPBUFFERS = 0x4000 |
5264 | }; |
5265 | |
5266 | |
5267 | /** The MESA_DEBUG_FLAGS var is a bitmask of these flags */ |
5268 | enum _debug |
5269 | { |
5270 | DEBUG_SILENT = (1 << 0), |
5271 | DEBUG_ALWAYS_FLUSH = (1 << 1), |
5272 | DEBUG_INCOMPLETE_TEXTURE = (1 << 2), |
5273 | DEBUG_INCOMPLETE_FBO = (1 << 3), |
5274 | DEBUG_CONTEXT = (1 << 4) |
5275 | }; |
5276 | |
5277 | #ifdef __cplusplus |
5278 | } |
5279 | #endif |
5280 | |
5281 | #endif /* MTYPES_H */ |