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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "GrSwizzle.h" | 8 #include "GrSwizzle.h" |
9 #include "glsl/GrGLSLShaderBuilder.h" | 9 #include "glsl/GrGLSLShaderBuilder.h" |
10 #include "glsl/GrGLSLCaps.h" | 10 #include "glsl/GrGLSLCaps.h" |
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52 } | 52 } |
53 } | 53 } |
54 this->functions().append(") {\n"); | 54 this->functions().append(") {\n"); |
55 this->functions().append(body); | 55 this->functions().append(body); |
56 this->functions().append("}\n\n"); | 56 this->functions().append("}\n\n"); |
57 } | 57 } |
58 | 58 |
59 void GrGLSLShaderBuilder::appendTextureLookup(SkString* out, | 59 void GrGLSLShaderBuilder::appendTextureLookup(SkString* out, |
60 const GrGLSLTextureSampler& sample
r, | 60 const GrGLSLTextureSampler& sample
r, |
61 const char* coordName, | 61 const char* coordName, |
62 GrSLType varyingType) const { | 62 GrSLType coordType) const { |
63 const GrGLSLCaps* glslCaps = fProgramBuilder->glslCaps(); | 63 const GrGLSLCaps* glslCaps = fProgramBuilder->glslCaps(); |
64 GrGLSLUniformHandler* uniformHandler = fProgramBuilder->uniformHandler(); | 64 GrGLSLUniformHandler* uniformHandler = fProgramBuilder->uniformHandler(); |
65 GrSLType samplerType = uniformHandler->getUniformVariable(sampler.fSamplerUn
iform).getType(); | 65 GrSLType samplerType = uniformHandler->getUniformVariable(sampler.fSamplerUn
iform).getType(); |
66 if (samplerType == kSampler2DRect_GrSLType) { | 66 if (samplerType == kSampler2DRect_GrSLType) { |
67 if (varyingType == kVec2f_GrSLType) { | 67 if (coordType == kVec2f_GrSLType) { |
68 out->appendf("%s(%s, textureSize(%s) * %s)", | 68 out->appendf("%s(%s, textureSize(%s) * %s)", |
69 GrGLSLTexture2DFunctionName(varyingType, samplerType, | 69 GrGLSLTextureFunctionName(coordType, samplerType, glslC
aps->generation()), |
70 glslCaps->generation()), | |
71 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, | 70 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, |
72 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, | 71 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, |
73 coordName); | 72 coordName); |
74 } else { | 73 } else { |
75 out->appendf("%s(%s, vec3(textureSize(%s) * %s.xy, %s.z))", | 74 out->appendf("%s(%s, vec3(textureSize(%s) * %s.xy, %s.z))", |
76 GrGLSLTexture2DFunctionName(varyingType, samplerType, | 75 GrGLSLTextureFunctionName(coordType, samplerType, glslC
aps->generation()), |
77 glslCaps->generation()), | |
78 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, | 76 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, |
79 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, | 77 uniformHandler->getUniformCStr(sampler.fSamplerUniform)
, |
80 coordName, | 78 coordName, |
81 coordName); | 79 coordName); |
82 } | 80 } |
83 } else { | 81 } else { |
84 out->appendf("%s(%s, %s)", | 82 out->appendf("%s(%s, %s)", |
85 GrGLSLTexture2DFunctionName(varyingType, samplerType, glslC
aps->generation()), | 83 GrGLSLTextureFunctionName(coordType, samplerType, glslCaps-
>generation()), |
86 uniformHandler->getUniformCStr(sampler.fSamplerUniform), | 84 uniformHandler->getUniformCStr(sampler.fSamplerUniform), |
87 coordName); | 85 coordName); |
88 } | 86 } |
89 | 87 |
90 // This refers to any swizzling we may need to get from some backend interna
l format to the | 88 // This refers to any swizzling we may need to get from some backend interna
l format to the |
91 // format used in GrPixelConfig. If this is implemented by the GrGpu object,
then swizzle will | 89 // format used in GrPixelConfig. If this is implemented by the GrGpu object,
then swizzle will |
92 // be rgba. For shader prettiness we omit the swizzle rather than appending
".rgba". | 90 // be rgba. For shader prettiness we omit the swizzle rather than appending
".rgba". |
93 const GrSwizzle& configSwizzle = glslCaps->configTextureSwizzle(sampler.conf
ig()); | 91 const GrSwizzle& configSwizzle = glslCaps->configTextureSwizzle(sampler.conf
ig()); |
94 | 92 |
95 if (configSwizzle != GrSwizzle::RGBA()) { | 93 if (configSwizzle != GrSwizzle::RGBA()) { |
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168 this->code().append("}"); | 166 this->code().append("}"); |
169 | 167 |
170 for (int i = 0; i <= fCodeIndex; i++) { | 168 for (int i = 0; i <= fCodeIndex; i++) { |
171 fCompilerStrings[i] = fShaderStrings[i].c_str(); | 169 fCompilerStrings[i] = fShaderStrings[i].c_str(); |
172 fCompilerStringLengths[i] = (int)fShaderStrings[i].size(); | 170 fCompilerStringLengths[i] = (int)fShaderStrings[i].size(); |
173 } | 171 } |
174 | 172 |
175 fFinalized = true; | 173 fFinalized = true; |
176 } | 174 } |
177 | 175 |
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