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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 {} |
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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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