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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 #ifndef GrGLPrimitiveProcessor_DEFINED | 8 #ifndef GrGLPrimitiveProcessor_DEFINED |
| 9 #define GrGLPrimitiveProcessor_DEFINED | 9 #define GrGLPrimitiveProcessor_DEFINED |
| 10 | 10 |
| 11 #include "GrPrimitiveProcessor.h" | 11 #include "GrPrimitiveProcessor.h" |
| 12 #include "GrGLProcessor.h" | 12 #include "GrGLProcessor.h" |
| 13 | 13 |
| 14 class GrBatchTracker; | 14 class GrBatchTracker; |
| 15 class GrPrimitiveProcessor; | 15 class GrPrimitiveProcessor; |
| 16 class GrGLGPBuilder; | 16 class GrGLGPBuilder; |
| 17 | 17 |
| 18 class GrGLPrimitiveProcessor { | 18 class GrGLPrimitiveProcessor { |
| 19 public: | 19 public: |
| 20 GrGLPrimitiveProcessor() : fViewMatrixName(NULL) { fViewMatrix = SkMatrix::I
nvalidMatrix(); } | |
| 21 virtual ~GrGLPrimitiveProcessor() {} | 20 virtual ~GrGLPrimitiveProcessor() {} |
| 22 | 21 |
| 23 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 22 typedef GrGLProgramDataManager::UniformHandle UniformHandle; |
| 24 typedef GrGLProcessor::TextureSamplerArray TextureSamplerArray; | 23 typedef GrGLProcessor::TextureSamplerArray TextureSamplerArray; |
| 25 | 24 |
| 26 typedef SkSTArray<2, const GrCoordTransform*, true> ProcCoords; | 25 typedef SkSTArray<2, const GrCoordTransform*, true> ProcCoords; |
| 27 typedef SkSTArray<8, ProcCoords> TransformsIn; | 26 typedef SkSTArray<8, ProcCoords> TransformsIn; |
| 28 typedef SkSTArray<8, GrGLProcessor::TransformedCoordsArray> TransformsOut; | 27 typedef SkSTArray<8, GrGLProcessor::TransformedCoordsArray> TransformsOut; |
| 29 | 28 |
| 30 struct EmitArgs { | 29 struct EmitArgs { |
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| 69 GrGLPrimitiveProcessor. */ | 68 GrGLPrimitiveProcessor. */ |
| 70 virtual void setData(const GrGLProgramDataManager&, | 69 virtual void setData(const GrGLProgramDataManager&, |
| 71 const GrPrimitiveProcessor&, | 70 const GrPrimitiveProcessor&, |
| 72 const GrBatchTracker&) = 0; | 71 const GrBatchTracker&) = 0; |
| 73 | 72 |
| 74 static SkMatrix GetTransformMatrix(const SkMatrix& localMatrix, const GrCoor
dTransform&); | 73 static SkMatrix GetTransformMatrix(const SkMatrix& localMatrix, const GrCoor
dTransform&); |
| 75 | 74 |
| 76 protected: | 75 protected: |
| 77 void setupUniformColor(GrGLGPBuilder* pb, const char* outputName, UniformHan
dle* colorUniform); | 76 void setupUniformColor(GrGLGPBuilder* pb, const char* outputName, UniformHan
dle* colorUniform); |
| 78 | 77 |
| 79 const char* uViewM() const { return fViewMatrixName; } | |
| 80 | |
| 81 /** a helper function to setup the uniform handle for the uniform view matri
x */ | |
| 82 void addUniformViewMatrix(GrGLGPBuilder*); | |
| 83 | |
| 84 | |
| 85 /** a helper function to upload a uniform viewmatrix. | |
| 86 * TODO we can remove this function when we have deferred geometry in place | |
| 87 */ | |
| 88 void setUniformViewMatrix(const GrGLProgramDataManager&, | |
| 89 const SkMatrix& viewMatrix); | |
| 90 | |
| 91 class ShaderVarHandle { | 78 class ShaderVarHandle { |
| 92 public: | 79 public: |
| 93 bool isValid() const { return fHandle > -1; } | 80 bool isValid() const { return fHandle > -1; } |
| 94 ShaderVarHandle() : fHandle(-1) {} | 81 ShaderVarHandle() : fHandle(-1) {} |
| 95 ShaderVarHandle(int value) : fHandle(value) { SkASSERT(this->isValid());
} | 82 ShaderVarHandle(int value) : fHandle(value) { SkASSERT(this->isValid());
} |
| 96 int handle() const { SkASSERT(this->isValid()); return fHandle; } | 83 int handle() const { SkASSERT(this->isValid()); return fHandle; } |
| 97 UniformHandle convertToUniformHandle() { | 84 UniformHandle convertToUniformHandle() { |
| 98 SkASSERT(this->isValid()); | 85 SkASSERT(this->isValid()); |
| 99 return GrGLProgramDataManager::UniformHandle::CreateFromUniformIndex
(fHandle); | 86 return GrGLProgramDataManager::UniformHandle::CreateFromUniformIndex
(fHandle); |
| 100 } | 87 } |
| 101 | 88 |
| 102 private: | 89 private: |
| 103 int fHandle; | 90 int fHandle; |
| 104 }; | 91 }; |
| 105 | 92 |
| 106 struct Transform { | 93 struct Transform { |
| 107 Transform() : fType(kVoid_GrSLType) { fCurrentValue = SkMatrix::InvalidM
atrix(); } | 94 Transform() : fType(kVoid_GrSLType) { fCurrentValue = SkMatrix::InvalidM
atrix(); } |
| 108 ShaderVarHandle fHandle; | 95 ShaderVarHandle fHandle; |
| 109 SkMatrix fCurrentValue; | 96 SkMatrix fCurrentValue; |
| 110 GrSLType fType; | 97 GrSLType fType; |
| 111 }; | 98 }; |
| 112 | 99 |
| 113 SkSTArray<8, SkSTArray<2, Transform, true> > fInstalledTransforms; | 100 SkSTArray<8, SkSTArray<2, Transform, true> > fInstalledTransforms; |
| 114 | |
| 115 private: | |
| 116 UniformHandle fViewMatrixUniform; | |
| 117 SkMatrix fViewMatrix; | |
| 118 const char* fViewMatrixName; | |
| 119 }; | 101 }; |
| 120 | 102 |
| 121 #endif | 103 #endif |
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