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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #include "GrGpuGL.h" | 9 #include "GrGpuGL.h" |
10 #include "GrGLStencilBuffer.h" | 10 #include "GrGLStencilBuffer.h" |
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2097 | 2097 |
2098 GrGLfloat glMatrix[4 * 4]; | 2098 GrGLfloat glMatrix[4 * 4]; |
2099 fHWProjectionMatrixState.getGLMatrix<4>(glMatrix); | 2099 fHWProjectionMatrixState.getGLMatrix<4>(glMatrix); |
2100 GL_CALL(MatrixMode(GR_GL_PROJECTION)); | 2100 GL_CALL(MatrixMode(GR_GL_PROJECTION)); |
2101 GL_CALL(LoadMatrixf(glMatrix)); | 2101 GL_CALL(LoadMatrixf(glMatrix)); |
2102 } | 2102 } |
2103 | 2103 |
2104 void GrGpuGL::enableTexGen(int unitIdx, | 2104 void GrGpuGL::enableTexGen(int unitIdx, |
2105 TexGenComponents components, | 2105 TexGenComponents components, |
2106 const GrGLfloat* coefficients) { | 2106 const GrGLfloat* coefficients) { |
2107 | |
2108 SkASSERT(this->glCaps().fixedFunctionSupport()); | 2107 SkASSERT(this->glCaps().fixedFunctionSupport()); |
2109 SkASSERT(this->caps()->pathRenderingSupport()); | |
2110 SkASSERT(components >= kS_TexGenComponents && components <= kSTR_TexGenCompo
nents); | 2108 SkASSERT(components >= kS_TexGenComponents && components <= kSTR_TexGenCompo
nents); |
2111 SkASSERT(this->glCaps().maxFixedFunctionTextureCoords() >= unitIdx); | 2109 SkASSERT(this->glCaps().maxFixedFunctionTextureCoords() >= unitIdx); |
2112 | 2110 |
2113 if (GR_GL_OBJECT_LINEAR == fHWTexGenSettings[unitIdx].fMode && | 2111 if (GR_GL_OBJECT_LINEAR == fHWTexGenSettings[unitIdx].fMode && |
2114 components == fHWTexGenSettings[unitIdx].fNumComponents && | 2112 components == fHWTexGenSettings[unitIdx].fNumComponents && |
2115 !memcmp(coefficients, fHWTexGenSettings[unitIdx].fCoefficients, | 2113 !memcmp(coefficients, fHWTexGenSettings[unitIdx].fCoefficients, |
2116 3 * components * sizeof(GrGLfloat))) { | 2114 3 * components * sizeof(GrGLfloat))) { |
2117 return; | 2115 return; |
2118 } | 2116 } |
2119 | 2117 |
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2135 fHWTexGenSettings[unitIdx].fNumComponents = components; | 2133 fHWTexGenSettings[unitIdx].fNumComponents = components; |
2136 | 2134 |
2137 for (int i = 0; i < components; i++) { | 2135 for (int i = 0; i < components; i++) { |
2138 GrGLfloat plane[] = {coefficients[0 + 3 * i], | 2136 GrGLfloat plane[] = {coefficients[0 + 3 * i], |
2139 coefficients[1 + 3 * i], | 2137 coefficients[1 + 3 * i], |
2140 0, | 2138 0, |
2141 coefficients[2 + 3 * i]}; | 2139 coefficients[2 + 3 * i]}; |
2142 GL_CALL(TexGenfv(GR_GL_S + i, GR_GL_OBJECT_PLANE, plane)); | 2140 GL_CALL(TexGenfv(GR_GL_S + i, GR_GL_OBJECT_PLANE, plane)); |
2143 } | 2141 } |
2144 | 2142 |
2145 GL_CALL(PathTexGen(GR_GL_TEXTURE0 + unitIdx, | 2143 if (this->caps()->pathRenderingSupport()) { |
2146 GR_GL_OBJECT_LINEAR, | 2144 GL_CALL(PathTexGen(GR_GL_TEXTURE0 + unitIdx, |
2147 components, | 2145 GR_GL_OBJECT_LINEAR, |
2148 coefficients)); | 2146 components, |
| 2147 coefficients)); |
| 2148 } |
2149 | 2149 |
2150 memcpy(fHWTexGenSettings[unitIdx].fCoefficients, coefficients, | 2150 memcpy(fHWTexGenSettings[unitIdx].fCoefficients, coefficients, |
2151 3 * components * sizeof(GrGLfloat)); | 2151 3 * components * sizeof(GrGLfloat)); |
2152 | |
2153 fHWActiveTexGenSets = SkTMax(fHWActiveTexGenSets, unitIdx); | |
2154 } | 2152 } |
2155 | 2153 |
2156 void GrGpuGL::enableTexGen(int unitIdx, TexGenComponents components, const SkMat
rix& matrix) { | 2154 void GrGpuGL::enableTexGen(int unitIdx, TexGenComponents components, const SkMat
rix& matrix) { |
2157 | |
2158 GrGLfloat coefficients[3 * 3]; | 2155 GrGLfloat coefficients[3 * 3]; |
2159 SkASSERT(this->glCaps().fixedFunctionSupport()); | 2156 SkASSERT(this->glCaps().fixedFunctionSupport()); |
2160 SkASSERT(components >= kS_TexGenComponents && components <= kSTR_TexGenCompo
nents); | 2157 SkASSERT(components >= kS_TexGenComponents && components <= kSTR_TexGenCompo
nents); |
2161 | 2158 |
2162 coefficients[0] = SkScalarToFloat(matrix[SkMatrix::kMScaleX]); | 2159 coefficients[0] = SkScalarToFloat(matrix[SkMatrix::kMScaleX]); |
2163 coefficients[1] = SkScalarToFloat(matrix[SkMatrix::kMSkewX]); | 2160 coefficients[1] = SkScalarToFloat(matrix[SkMatrix::kMSkewX]); |
2164 coefficients[2] = SkScalarToFloat(matrix[SkMatrix::kMTransX]); | 2161 coefficients[2] = SkScalarToFloat(matrix[SkMatrix::kMTransX]); |
2165 | 2162 |
2166 if (components >= kST_TexGenComponents) { | 2163 if (components >= kST_TexGenComponents) { |
2167 coefficients[3] = SkScalarToFloat(matrix[SkMatrix::kMSkewY]); | 2164 coefficients[3] = SkScalarToFloat(matrix[SkMatrix::kMSkewY]); |
2168 coefficients[4] = SkScalarToFloat(matrix[SkMatrix::kMScaleY]); | 2165 coefficients[4] = SkScalarToFloat(matrix[SkMatrix::kMScaleY]); |
2169 coefficients[5] = SkScalarToFloat(matrix[SkMatrix::kMTransY]); | 2166 coefficients[5] = SkScalarToFloat(matrix[SkMatrix::kMTransY]); |
2170 } | 2167 } |
2171 | 2168 |
2172 if (components >= kSTR_TexGenComponents) { | 2169 if (components >= kSTR_TexGenComponents) { |
2173 coefficients[6] = SkScalarToFloat(matrix[SkMatrix::kMPersp0]); | 2170 coefficients[6] = SkScalarToFloat(matrix[SkMatrix::kMPersp0]); |
2174 coefficients[7] = SkScalarToFloat(matrix[SkMatrix::kMPersp1]); | 2171 coefficients[7] = SkScalarToFloat(matrix[SkMatrix::kMPersp1]); |
2175 coefficients[8] = SkScalarToFloat(matrix[SkMatrix::kMPersp2]); | 2172 coefficients[8] = SkScalarToFloat(matrix[SkMatrix::kMPersp2]); |
2176 } | 2173 } |
2177 | 2174 |
2178 enableTexGen(unitIdx, components, coefficients); | 2175 enableTexGen(unitIdx, components, coefficients); |
2179 } | 2176 } |
2180 | 2177 |
2181 void GrGpuGL::disableUnusedTexGen(int numUsedTexCoordSets) { | 2178 void GrGpuGL::flushTexGenSettings(int numUsedTexCoordSets) { |
2182 | |
2183 SkASSERT(this->glCaps().fixedFunctionSupport()); | 2179 SkASSERT(this->glCaps().fixedFunctionSupport()); |
2184 SkASSERT(this->glCaps().maxFixedFunctionTextureCoords() >= numUsedTexCoordSe
ts); | 2180 SkASSERT(this->glCaps().maxFixedFunctionTextureCoords() >= numUsedTexCoordSe
ts); |
2185 | 2181 |
| 2182 // Only write the inactive tex gens, since active tex gens were written |
| 2183 // when they were enabled. |
| 2184 |
| 2185 SkDEBUGCODE( |
| 2186 for (int i = 0; i < numUsedTexCoordSets; i++) { |
| 2187 SkASSERT(0 != fHWTexGenSettings[i].fNumComponents); |
| 2188 } |
| 2189 ); |
| 2190 |
2186 for (int i = numUsedTexCoordSets; i < fHWActiveTexGenSets; i++) { | 2191 for (int i = numUsedTexCoordSets; i < fHWActiveTexGenSets; i++) { |
2187 if (0 == fHWTexGenSettings[i].fNumComponents) { | 2192 SkASSERT(0 != fHWTexGenSettings[i].fNumComponents); |
2188 continue; | |
2189 } | |
2190 | 2193 |
2191 this->setTextureUnit(i); | 2194 this->setTextureUnit(i); |
2192 for (int j = 0; j < fHWTexGenSettings[i].fNumComponents; j++) { | 2195 for (int j = 0; j < fHWTexGenSettings[i].fNumComponents; j++) { |
2193 GL_CALL(Disable(GR_GL_TEXTURE_GEN_S + j)); | 2196 GL_CALL(Disable(GR_GL_TEXTURE_GEN_S + j)); |
2194 } | 2197 } |
2195 GL_CALL(PathTexGen(GR_GL_TEXTURE0 + i, GR_GL_NONE, 0, NULL)); | 2198 |
| 2199 if (this->caps()->pathRenderingSupport()) { |
| 2200 GL_CALL(PathTexGen(GR_GL_TEXTURE0 + i, GR_GL_NONE, 0, NULL)); |
| 2201 } |
| 2202 |
2196 fHWTexGenSettings[i].fNumComponents = 0; | 2203 fHWTexGenSettings[i].fNumComponents = 0; |
2197 } | 2204 } |
2198 | 2205 |
2199 fHWActiveTexGenSets = SkTMin(fHWActiveTexGenSets, numUsedTexCoordSets); | 2206 fHWActiveTexGenSets = numUsedTexCoordSets; |
2200 } | 2207 } |
2201 | 2208 |
2202 void GrGpuGL::flushMiscFixedFunctionState() { | 2209 void GrGpuGL::flushMiscFixedFunctionState() { |
2203 | 2210 |
2204 const GrDrawState& drawState = this->getDrawState(); | 2211 const GrDrawState& drawState = this->getDrawState(); |
2205 | 2212 |
2206 if (drawState.isDitherState()) { | 2213 if (drawState.isDitherState()) { |
2207 if (kYes_TriState != fHWDitherEnabled) { | 2214 if (kYes_TriState != fHWDitherEnabled) { |
2208 GL_CALL(Enable(GR_GL_DITHER)); | 2215 GL_CALL(Enable(GR_GL_DITHER)); |
2209 fHWDitherEnabled = kYes_TriState; | 2216 fHWDitherEnabled = kYes_TriState; |
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2677 this->setVertexArrayID(gpu, 0); | 2684 this->setVertexArrayID(gpu, 0); |
2678 } | 2685 } |
2679 int attrCount = gpu->glCaps().maxVertexAttributes(); | 2686 int attrCount = gpu->glCaps().maxVertexAttributes(); |
2680 if (fDefaultVertexArrayAttribState.count() != attrCount) { | 2687 if (fDefaultVertexArrayAttribState.count() != attrCount) { |
2681 fDefaultVertexArrayAttribState.resize(attrCount); | 2688 fDefaultVertexArrayAttribState.resize(attrCount); |
2682 } | 2689 } |
2683 attribState = &fDefaultVertexArrayAttribState; | 2690 attribState = &fDefaultVertexArrayAttribState; |
2684 } | 2691 } |
2685 return attribState; | 2692 return attribState; |
2686 } | 2693 } |
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