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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "GrCustomCoordsTextureEffect.h" | 8 #include "GrCustomCoordsTextureEffect.h" |
| 9 #include "gl/builders/GrGLProgramBuilder.h" | 9 #include "gl/builders/GrGLFullProgramBuilder.h" |
| 10 #include "gl/GrGLProcessor.h" | 10 #include "gl/GrGLProcessor.h" |
| 11 #include "gl/GrGLSL.h" | 11 #include "gl/GrGLSL.h" |
| 12 #include "gl/GrGLTexture.h" | 12 #include "gl/GrGLTexture.h" |
| 13 #include "gl/GrGLGeometryProcessor.h" | 13 #include "gl/GrGLGeometryProcessor.h" |
| 14 #include "GrTBackendProcessorFactory.h" | 14 #include "GrTBackendProcessorFactory.h" |
| 15 #include "GrTexture.h" | 15 #include "GrTexture.h" |
| 16 | 16 |
| 17 class GrGLCustomCoordsTextureEffect : public GrGLGeometryProcessor { | 17 class GrGLCustomCoordsTextureEffect : public GrGLGeometryProcessor { |
| 18 public: | 18 public: |
| 19 GrGLCustomCoordsTextureEffect(const GrBackendProcessorFactory& factory, cons
t GrProcessor&) | 19 GrGLCustomCoordsTextureEffect(const GrBackendProcessorFactory& factory, cons
t GrProcessor&) |
| 20 : INHERITED (factory) {} | 20 : INHERITED (factory) {} |
| 21 | 21 |
| 22 virtual void emitCode(GrGLGPBuilder* builder, | 22 virtual void emitCode(GrGLFullProgramBuilder* builder, |
| 23 const GrGeometryProcessor& geometryProcessor, | 23 const GrGeometryProcessor& geometryProcessor, |
| 24 const GrProcessorKey& key, | 24 const GrProcessorKey& key, |
| 25 const char* outputColor, | 25 const char* outputColor, |
| 26 const char* inputColor, | 26 const char* inputColor, |
| 27 const TransformedCoordsArray&, | 27 const TransformedCoordsArray&, |
| 28 const TextureSamplerArray& samplers) SK_OVERRIDE { | 28 const TextureSamplerArray& samplers) SK_OVERRIDE { |
| 29 const GrCustomCoordsTextureEffect& customCoordsTextureEffect = | 29 const GrCustomCoordsTextureEffect& customCoordsTextureEffect = |
| 30 geometryProcessor.cast<GrCustomCoordsTextureEffect>(); | 30 geometryProcessor.cast<GrCustomCoordsTextureEffect>(); |
| 31 SkASSERT(1 == customCoordsTextureEffect.getVertexAttribs().count()); | 31 SkASSERT(1 == customCoordsTextureEffect.getVertexAttribs().count()); |
| 32 | 32 |
| 33 SkString fsCoordName; | 33 SkString fsCoordName; |
| 34 const char* vsVaryingName; | 34 const char* vsVaryingName; |
| 35 const char* fsVaryingNamePtr; | 35 const char* fsVaryingNamePtr; |
| 36 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); | 36 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); |
| 37 fsCoordName = fsVaryingNamePtr; | 37 fsCoordName = fsVaryingNamePtr; |
| 38 | 38 |
| 39 GrGLVertexBuilder* vsBuilder = builder->getVertexShaderBuilder(); | 39 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 40 const GrShaderVar& inTextureCoords = customCoordsTextureEffect.inTexture
Coords(); | 40 const GrShaderVar& inTextureCoords = customCoordsTextureEffect.inTexture
Coords(); |
| 41 vsBuilder->codeAppendf("\t%s = %s;\n", vsVaryingName, inTextureCoords.c_
str()); | 41 vsBuilder->codeAppendf("\t%s = %s;\n", vsVaryingName, inTextureCoords.c_
str()); |
| 42 | 42 |
| 43 GrGLGPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 43 GrGLProcessorFragmentShaderBuilder* fsBuilder = builder->getFragmentShad
erBuilder(); |
| 44 fsBuilder->codeAppendf("\t%s = ", outputColor); | 44 fsBuilder->codeAppendf("\t%s = ", outputColor); |
| 45 fsBuilder->appendTextureLookupAndModulate(inputColor, | 45 fsBuilder->appendTextureLookupAndModulate(inputColor, |
| 46 samplers[0], | 46 samplers[0], |
| 47 fsCoordName.c_str(), | 47 fsCoordName.c_str(), |
| 48 kVec2f_GrSLType); | 48 kVec2f_GrSLType); |
| 49 fsBuilder->codeAppend(";\n"); | 49 fsBuilder->codeAppend(";\n"); |
| 50 } | 50 } |
| 51 | 51 |
| 52 virtual void setData(const GrGLProgramDataManager&, | 52 virtual void setData(const GrGLProgramDataManager&, |
| 53 const GrProcessor&) SK_OVERRIDE {} | 53 const GrProcessor&) SK_OVERRIDE {} |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 102 }; | 102 }; |
| 103 SkShader::TileMode tileModes[] = { | 103 SkShader::TileMode tileModes[] = { |
| 104 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 104 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
| 105 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 105 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
| 106 }; | 106 }; |
| 107 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : | 107 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : |
| 108 GrTextureParams::kNon
e_FilterMode); | 108 GrTextureParams::kNon
e_FilterMode); |
| 109 | 109 |
| 110 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); | 110 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); |
| 111 } | 111 } |
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