File: | var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/x86_64-unknown-linux-gnu/debug/build/swgl-436ca0bc8b549ace/out/composite_FAST_PATH_TEXTURE_RECT.h |
Warning: | line 74, column 16 Value stored to 'texture_size' during its initialization is never read |
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1 | struct composite_FAST_PATH_TEXTURE_RECT_common { |
2 | struct Samplers { |
3 | sampler2DRect_impl sColor0_impl; |
4 | int sColor0_slot; |
5 | bool set_slot(int index, int value) { |
6 | switch (index) { |
7 | case 2: |
8 | sColor0_slot = value; |
9 | return true; |
10 | } |
11 | return false; |
12 | } |
13 | } samplers; |
14 | struct AttribLocations { |
15 | int aPosition = NULL_ATTRIB16; |
16 | int aLocalRect = NULL_ATTRIB16; |
17 | int aDeviceClipRect = NULL_ATTRIB16; |
18 | int aParams = NULL_ATTRIB16; |
19 | int aTransform = NULL_ATTRIB16; |
20 | int aUvRect0 = NULL_ATTRIB16; |
21 | void bind_loc(const char* name, int index) { |
22 | if (strcmp("aPosition", name) == 0) { aPosition = index; return; } |
23 | if (strcmp("aLocalRect", name) == 0) { aLocalRect = index; return; } |
24 | if (strcmp("aDeviceClipRect", name) == 0) { aDeviceClipRect = index; return; } |
25 | if (strcmp("aParams", name) == 0) { aParams = index; return; } |
26 | if (strcmp("aTransform", name) == 0) { aTransform = index; return; } |
27 | if (strcmp("aUvRect0", name) == 0) { aUvRect0 = index; return; } |
28 | } |
29 | int get_loc(const char* name) const { |
30 | if (strcmp("aPosition", name) == 0) { return aPosition != NULL_ATTRIB16 ? aPosition : -1; } |
31 | if (strcmp("aLocalRect", name) == 0) { return aLocalRect != NULL_ATTRIB16 ? aLocalRect : -1; } |
32 | if (strcmp("aDeviceClipRect", name) == 0) { return aDeviceClipRect != NULL_ATTRIB16 ? aDeviceClipRect : -1; } |
33 | if (strcmp("aParams", name) == 0) { return aParams != NULL_ATTRIB16 ? aParams : -1; } |
34 | if (strcmp("aTransform", name) == 0) { return aTransform != NULL_ATTRIB16 ? aTransform : -1; } |
35 | if (strcmp("aUvRect0", name) == 0) { return aUvRect0 != NULL_ATTRIB16 ? aUvRect0 : -1; } |
36 | return -1; |
37 | } |
38 | } attrib_locations; |
39 | sampler2DRect sColor0; |
40 | mat4_scalar uTransform; |
41 | void bind_textures() { |
42 | sColor0 = lookup_sampler(&samplers.sColor0_impl, samplers.sColor0_slot); |
43 | } |
44 | }; |
45 | struct composite_FAST_PATH_TEXTURE_RECT_vert : VertexShaderImpl, composite_FAST_PATH_TEXTURE_RECT_common { |
46 | private: |
47 | typedef composite_FAST_PATH_TEXTURE_RECT_vert Self; |
48 | // mat4_scalar uTransform; |
49 | vec2 aPosition; |
50 | // sampler2DRect sColor0; |
51 | // sampler2DRect sColor1; |
52 | // sampler2DRect sColor2; |
53 | vec2 vUv; |
54 | vec4_scalar aLocalRect; |
55 | vec4_scalar aDeviceClipRect; |
56 | vec4_scalar aColor; |
57 | vec4_scalar aParams; |
58 | vec4_scalar aTransform; |
59 | vec4_scalar aUvRect0; |
60 | vec2_scalar apply_transform(vec2_scalar p, vec4_scalar transform) { |
61 | return ((p)*((transform).sel(X,Y)))+((transform).sel(Z,W)); |
62 | } |
63 | ALWAYS_INLINE__attribute__((always_inline)) inline void main(void) { |
64 | vec2_scalar world_p0 = apply_transform((aLocalRect).sel(X,Y), aTransform); |
65 | vec2_scalar world_p1 = apply_transform((aLocalRect).sel(Z,W), aTransform); |
66 | vec2 world_pos = mix(world_p0, world_p1, (aPosition).sel(X,Y)); |
67 | vec2 clipped_world_pos = clamp(world_pos, (aDeviceClipRect).sel(X,Y), (aDeviceClipRect).sel(Z,W)); |
68 | vec2 uv = ((clipped_world_pos)-(world_p0))/((world_p1)-(world_p0)); |
69 | uv = mix((aUvRect0).sel(X,Y), (aUvRect0).sel(Z,W), uv); |
70 | vec4_scalar uvBounds = make_vec4(min((aUvRect0).sel(X,Y), (aUvRect0).sel(Z,W)), max((aUvRect0).sel(X,Y), (aUvRect0).sel(Z,W))); |
71 | int32_t rescale_uv = make_int((aParams).y); |
72 | if ((rescale_uv)==(1)) { |
73 | { |
74 | vec2_scalar texture_size = make_vec2(1.f, 1.f); |
Value stored to 'texture_size' during its initialization is never read | |
75 | uvBounds += make_vec4(0.5f, 0.5f, -(0.5f), -(0.5f)); |
76 | } |
77 | } |
78 | vUv = uv; |
79 | gl_Position = (uTransform)*(make_vec4(clipped_world_pos, 0.f, 1.f)); |
80 | } |
81 | static void set_uniform_1i(VertexShaderImpl* impl, int index, int value) { |
82 | Self* self = (Self*)impl; |
83 | if (self->samplers.set_slot(index, value)) return; |
84 | switch (index) { |
85 | case 2: |
86 | assert(0)(static_cast <bool> (0) ? void (0) : __assert_fail ("0" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); // sColor0 |
87 | break; |
88 | case 1: |
89 | assert(0)(static_cast <bool> (0) ? void (0) : __assert_fail ("0" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); // uTransform |
90 | break; |
91 | } |
92 | } |
93 | static void set_uniform_4fv(VertexShaderImpl* impl, int index, const float *value) { |
94 | Self* self = (Self*)impl; |
95 | switch (index) { |
96 | case 2: |
97 | assert(0)(static_cast <bool> (0) ? void (0) : __assert_fail ("0" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); // sColor0 |
98 | break; |
99 | case 1: |
100 | assert(0)(static_cast <bool> (0) ? void (0) : __assert_fail ("0" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); // uTransform |
101 | break; |
102 | } |
103 | } |
104 | static void set_uniform_matrix4fv(VertexShaderImpl* impl, int index, const float *value) { |
105 | Self* self = (Self*)impl; |
106 | switch (index) { |
107 | case 2: |
108 | assert(0)(static_cast <bool> (0) ? void (0) : __assert_fail ("0" , __builtin_FILE (), __builtin_LINE (), __extension__ __PRETTY_FUNCTION__ )); // sColor0 |
109 | break; |
110 | case 1: |
111 | self->uTransform = mat4_scalar::load_from_ptr(value); |
112 | break; |
113 | } |
114 | } |
115 | static void load_attribs(VertexShaderImpl* impl, VertexAttrib *attribs, uint32_t start, int instance, int count) {Self* self = (Self*)impl; |
116 | load_attrib(self->aPosition, attribs[self->attrib_locations.aPosition], start, instance, count); |
117 | load_flat_attrib(self->aLocalRect, attribs[self->attrib_locations.aLocalRect], start, instance, count); |
118 | load_flat_attrib(self->aDeviceClipRect, attribs[self->attrib_locations.aDeviceClipRect], start, instance, count); |
119 | load_flat_attrib(self->aParams, attribs[self->attrib_locations.aParams], start, instance, count); |
120 | load_flat_attrib(self->aTransform, attribs[self->attrib_locations.aTransform], start, instance, count); |
121 | load_flat_attrib(self->aUvRect0, attribs[self->attrib_locations.aUvRect0], start, instance, count); |
122 | } |
123 | public: |
124 | struct InterpOutputs { |
125 | vec2_scalar vUv; |
126 | }; |
127 | private: |
128 | ALWAYS_INLINE__attribute__((always_inline)) inline void store_interp_outputs(char* dest_ptr, size_t stride) { |
129 | for(int n = 0; n < 4; n++) { |
130 | auto* dest = reinterpret_cast<InterpOutputs*>(dest_ptr); |
131 | dest->vUv = get_nth(vUv, n); |
132 | dest_ptr += stride; |
133 | } |
134 | } |
135 | static void run(VertexShaderImpl* impl, char* interps, size_t interp_stride) { |
136 | Self* self = (Self*)impl; |
137 | self->main(); |
138 | self->store_interp_outputs(interps, interp_stride); |
139 | } |
140 | static void init_batch(VertexShaderImpl* impl) { |
141 | Self* self = (Self*)impl; self->bind_textures(); } |
142 | public: |
143 | composite_FAST_PATH_TEXTURE_RECT_vert() { |
144 | set_uniform_1i_func = &set_uniform_1i; |
145 | set_uniform_4fv_func = &set_uniform_4fv; |
146 | set_uniform_matrix4fv_func = &set_uniform_matrix4fv; |
147 | init_batch_func = &init_batch; |
148 | load_attribs_func = &load_attribs; |
149 | run_primitive_func = &run; |
150 | } |
151 | }; |
152 | |
153 | |
154 | struct composite_FAST_PATH_TEXTURE_RECT_frag : FragmentShaderImpl, composite_FAST_PATH_TEXTURE_RECT_vert { |
155 | private: |
156 | typedef composite_FAST_PATH_TEXTURE_RECT_frag Self; |
157 | #define oFragColorgl_FragColor gl_FragColor |
158 | // vec4 oFragColor; |
159 | // sampler2DRect sColor0; |
160 | // sampler2DRect sColor1; |
161 | // sampler2DRect sColor2; |
162 | vec2 vUv; |
163 | void write_output(vec4 color) { |
164 | oFragColorgl_FragColor = color; |
165 | } |
166 | ALWAYS_INLINE__attribute__((always_inline)) inline void main(void) { |
167 | vec2 uv = vUv; |
168 | vec4 texel = texture(sColor0, (uv).sel(X,Y)); |
169 | vec4 color = texel; |
170 | write_output(color); |
171 | } |
172 | void swgl_drawSpanRGBA8() { |
173 | vec4_scalar color = make_vec4(1.f); |
174 | vec4_scalar uvBounds = make_vec4(make_vec2(0.f), make_vec2(textureSize(sColor0))); |
175 | if ((color)!=(make_vec4(1.f))) { |
176 | { |
177 | swgl_commitTextureColorRGBA8(sColor0, vUv, uvBounds, color)do { if (sColor0->filter == TextureFilter::LINEAR) { do { auto packed_color = packColor(swgl_OutRGBA8, color); int len = (swgl_SpanLength ); int drawn = 0; if (LinearFilter filter = needsTextureLinear (sColor0, vUv, len)) { if (blend_key) { drawn = blendTextureLinear <true>(sColor0, vUv, len, uvBounds, packed_color, swgl_OutRGBA8 , filter); } else { drawn = blendTextureLinear<false>(sColor0 , vUv, len, uvBounds, packed_color, swgl_OutRGBA8, filter); } } else if (blend_key) { drawn = blendTextureNearestFast<true >(sColor0, vUv, len, uvBounds, packed_color, swgl_OutRGBA8 ); } else { drawn = blendTextureNearestFast<false>(sColor0 , vUv, len, uvBounds, packed_color, swgl_OutRGBA8); } swgl_OutRGBA8 += drawn; swgl_SpanLength -= drawn; } while (0); } else { do { auto packed_color = packColor(swgl_OutRGBA8, color); int drawn = 0; if (needsNearestFallback(sColor0, vUv, swgl_SpanLength) ) { if (blend_key) { drawn = blendTextureNearestRepeat<true , false>( sColor0, vUv, swgl_SpanLength, 0.0f, uvBounds, packed_color , swgl_OutRGBA8); } else { drawn = blendTextureNearestRepeat< false, false>( sColor0, vUv, swgl_SpanLength, 0.0f, uvBounds , packed_color, swgl_OutRGBA8); } } else if (blend_key) { drawn = blendTextureNearestFast<true>(sColor0, vUv, swgl_SpanLength , uvBounds, packed_color, swgl_OutRGBA8); } else { drawn = blendTextureNearestFast <false>(sColor0, vUv, swgl_SpanLength, uvBounds, packed_color , swgl_OutRGBA8); } swgl_OutRGBA8 += drawn; swgl_SpanLength -= drawn; } while (0); } } while (0); |
178 | } |
179 | } else { |
180 | swgl_commitTextureRGBA8(sColor0, vUv, uvBounds)do { if (sColor0->filter == TextureFilter::LINEAR) { do { auto packed_color = packColor(swgl_OutRGBA8, NoColor()); int len = (swgl_SpanLength); int drawn = 0; if (LinearFilter filter = needsTextureLinear (sColor0, vUv, len)) { if (blend_key) { drawn = blendTextureLinear <true>(sColor0, vUv, len, uvBounds, packed_color, swgl_OutRGBA8 , filter); } else { drawn = blendTextureLinear<false>(sColor0 , vUv, len, uvBounds, packed_color, swgl_OutRGBA8, filter); } } else if (blend_key) { drawn = blendTextureNearestFast<true >(sColor0, vUv, len, uvBounds, packed_color, swgl_OutRGBA8 ); } else { drawn = blendTextureNearestFast<false>(sColor0 , vUv, len, uvBounds, packed_color, swgl_OutRGBA8); } swgl_OutRGBA8 += drawn; swgl_SpanLength -= drawn; } while (0); } else { do { auto packed_color = packColor(swgl_OutRGBA8, NoColor()); int drawn = 0; if (needsNearestFallback(sColor0, vUv, swgl_SpanLength )) { if (blend_key) { drawn = blendTextureNearestRepeat<true , false>( sColor0, vUv, swgl_SpanLength, 0.0f, uvBounds, packed_color , swgl_OutRGBA8); } else { drawn = blendTextureNearestRepeat< false, false>( sColor0, vUv, swgl_SpanLength, 0.0f, uvBounds , packed_color, swgl_OutRGBA8); } } else if (blend_key) { drawn = blendTextureNearestFast<true>(sColor0, vUv, swgl_SpanLength , uvBounds, packed_color, swgl_OutRGBA8); } else { drawn = blendTextureNearestFast <false>(sColor0, vUv, swgl_SpanLength, uvBounds, packed_color , swgl_OutRGBA8); } swgl_OutRGBA8 += drawn; swgl_SpanLength -= drawn; } while (0); } } while (0); |
181 | } |
182 | } |
183 | typedef composite_FAST_PATH_TEXTURE_RECT_vert::InterpOutputs InterpInputs; |
184 | InterpInputs interp_step; |
185 | struct InterpPerspective { |
186 | vec2 vUv; |
187 | }; |
188 | InterpPerspective interp_perspective; |
189 | static void read_interp_inputs(FragmentShaderImpl* impl, const void* init_, const void* step_) {Self* self = (Self*)impl;const InterpInputs* init = (const InterpInputs*)init_;const InterpInputs* step = (const InterpInputs*)step_; |
190 | self->vUv = init_interp(init->vUv, step->vUv); |
191 | self->interp_step.vUv = step->vUv * 4.0f; |
192 | } |
193 | static void read_perspective_inputs(FragmentShaderImpl* impl, const void* init_, const void* step_) {Self* self = (Self*)impl;const InterpInputs* init = (const InterpInputs*)init_;const InterpInputs* step = (const InterpInputs*)step_; |
194 | Float w = 1.0f / self->gl_FragCoord.w; |
195 | self->interp_perspective.vUv = init_interp(init->vUv, step->vUv); |
196 | self->vUv = self->interp_perspective.vUv * w; |
197 | self->interp_step.vUv = step->vUv * 4.0f; |
198 | } |
199 | ALWAYS_INLINE__attribute__((always_inline)) inline void step_interp_inputs(int steps = 4) { |
200 | float chunks = steps * 0.25f; |
201 | vUv += interp_step.vUv * chunks; |
202 | } |
203 | ALWAYS_INLINE__attribute__((always_inline)) inline void step_perspective_inputs(int steps = 4) { |
204 | step_perspective(steps); |
205 | float chunks = steps * 0.25f; |
206 | Float w = 1.0f / gl_FragCoord.w; |
207 | interp_perspective.vUv += interp_step.vUv * chunks; |
208 | vUv = w * interp_perspective.vUv; |
209 | } |
210 | static void run(FragmentShaderImpl* impl) { |
211 | Self* self = (Self*)impl; |
212 | self->main(); |
213 | self->step_interp_inputs(); |
214 | } |
215 | static void skip(FragmentShaderImpl* impl, int steps) { |
216 | Self* self = (Self*)impl; |
217 | self->step_interp_inputs(steps); |
218 | } |
219 | static void run_perspective(FragmentShaderImpl* impl) { |
220 | Self* self = (Self*)impl; |
221 | self->main(); |
222 | self->step_perspective_inputs(); |
223 | } |
224 | static void skip_perspective(FragmentShaderImpl* impl, int steps) { |
225 | Self* self = (Self*)impl; |
226 | self->step_perspective_inputs(steps); |
227 | } |
228 | static int draw_span_RGBA8(FragmentShaderImpl* impl) { |
229 | Self* self = (Self*)impl; DISPATCH_DRAW_SPAN(self, RGBA8)do { int total = self->swgl_SpanLength; self->swgl_drawSpanRGBA8 (); int drawn = total - self->swgl_SpanLength; if (drawn) self ->step_interp_inputs(drawn); return drawn; } while (0); } |
230 | public: |
231 | composite_FAST_PATH_TEXTURE_RECT_frag() { |
232 | init_span_func = &read_interp_inputs; |
233 | run_func = &run; |
234 | skip_func = &skip; |
235 | draw_span_RGBA8_func = &draw_span_RGBA8; |
236 | enable_perspective(); |
237 | init_span_w_func = &read_perspective_inputs; |
238 | run_w_func = &run_perspective; |
239 | skip_w_func = &skip_perspective; |
240 | } |
241 | }; |
242 | |
243 | struct composite_FAST_PATH_TEXTURE_RECT_program : ProgramImpl, composite_FAST_PATH_TEXTURE_RECT_frag { |
244 | int get_uniform(const char *name) const override { |
245 | if (strcmp("sColor0", name) == 0) { return 2; } |
246 | if (strcmp("uTransform", name) == 0) { return 1; } |
247 | return -1; |
248 | } |
249 | void bind_attrib(const char* name, int index) override { |
250 | attrib_locations.bind_loc(name, index); |
251 | } |
252 | int get_attrib(const char* name) const override { |
253 | return attrib_locations.get_loc(name); |
254 | } |
255 | size_t interpolants_size() const override { return sizeof(InterpOutputs); } |
256 | VertexShaderImpl* get_vertex_shader() override { |
257 | return this; |
258 | } |
259 | FragmentShaderImpl* get_fragment_shader() override { |
260 | return this; |
261 | } |
262 | const char* get_name() const override { return "composite_FAST_PATH_TEXTURE_RECT"; } |
263 | static ProgramImpl* loader() { return new composite_FAST_PATH_TEXTURE_RECT_program; } |
264 | }; |
265 |