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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 "gl/builders/GrGLProgramBuilder.h" |
8 #include "GrCustomCoordsTextureEffect.h" | 9 #include "GrCustomCoordsTextureEffect.h" |
9 #include "gl/GrGLEffect.h" | 10 #include "gl/GrGLEffect.h" |
10 #include "gl/GrGLShaderBuilder.h" | |
11 #include "gl/GrGLSL.h" | 11 #include "gl/GrGLSL.h" |
12 #include "gl/GrGLTexture.h" | 12 #include "gl/GrGLTexture.h" |
13 #include "gl/GrGLVertexEffect.h" | 13 #include "gl/GrGLVertexEffect.h" |
14 #include "GrTBackendEffectFactory.h" | 14 #include "GrTBackendEffectFactory.h" |
15 #include "GrTexture.h" | 15 #include "GrTexture.h" |
16 | 16 |
17 class GrGLCustomCoordsTextureEffect : public GrGLVertexEffect { | 17 class GrGLCustomCoordsTextureEffect : public GrGLVertexEffect { |
18 public: | 18 public: |
19 GrGLCustomCoordsTextureEffect(const GrBackendEffectFactory& factory, const G
rDrawEffect& drawEffect) | 19 GrGLCustomCoordsTextureEffect(const GrBackendEffectFactory& factory, const G
rDrawEffect& drawEffect) |
20 : INHERITED (factory) {} | 20 : INHERITED (factory) {} |
21 | 21 |
22 virtual void emitCode(GrGLFullShaderBuilder* builder, | 22 virtual void emitCode(GrGLFullProgramBuilder* builder, |
23 const GrDrawEffect& drawEffect, | 23 const GrDrawEffect& drawEffect, |
24 const GrEffectKey& key, | 24 const GrEffectKey& 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 SkASSERT(1 == drawEffect.castEffect<GrCustomCoordsTextureEffect>().numVe
rtexAttribs()); | 29 SkASSERT(1 == drawEffect.castEffect<GrCustomCoordsTextureEffect>().numVe
rtexAttribs()); |
30 | 30 |
31 SkString fsCoordName; | 31 SkString fsCoordName; |
32 const char* vsVaryingName; | 32 const char* vsVaryingName; |
33 const char* fsVaryingNamePtr; | 33 const char* fsVaryingNamePtr; |
34 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); | 34 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); |
35 fsCoordName = fsVaryingNamePtr; | 35 fsCoordName = fsVaryingNamePtr; |
36 | 36 |
37 const char* attrName = | 37 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
38 builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[
0])->c_str(); | 38 const SkString* attr0Name = |
39 builder->vsCodeAppendf("\t%s = %s;\n", vsVaryingName, attrName); | 39 vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices(
)[0]); |
| 40 vsBuilder->codeAppendf("\t%s = %s;\n", vsVaryingName, attr0Name->c_str()
); |
40 | 41 |
41 builder->fsCodeAppendf("\t%s = ", outputColor); | 42 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder
(); |
42 builder->fsAppendTextureLookupAndModulate(inputColor, | 43 fsBuilder->codeAppendf("\t%s = ", outputColor); |
| 44 fsBuilder->appendTextureLookupAndModulate(inputColor, |
43 samplers[0], | 45 samplers[0], |
44 fsCoordName.c_str(), | 46 fsCoordName.c_str(), |
45 kVec2f_GrSLType); | 47 kVec2f_GrSLType); |
46 builder->fsCodeAppend(";\n"); | 48 fsBuilder->codeAppend(";\n"); |
47 } | 49 } |
48 | 50 |
49 virtual void setData(const GrGLProgramDataManager& pdman, | 51 virtual void setData(const GrGLProgramDataManager& pdman, |
50 const GrDrawEffect& drawEffect) SK_OVERRIDE {} | 52 const GrDrawEffect& drawEffect) SK_OVERRIDE {} |
51 | 53 |
52 private: | 54 private: |
53 typedef GrGLVertexEffect INHERITED; | 55 typedef GrGLVertexEffect INHERITED; |
54 }; | 56 }; |
55 | 57 |
56 /////////////////////////////////////////////////////////////////////////////// | 58 /////////////////////////////////////////////////////////////////////////////// |
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98 }; | 100 }; |
99 SkShader::TileMode tileModes[] = { | 101 SkShader::TileMode tileModes[] = { |
100 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 102 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
101 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 103 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
102 }; | 104 }; |
103 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : | 105 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : |
104 GrTextureParams::kNon
e_FilterMode); | 106 GrTextureParams::kNon
e_FilterMode); |
105 | 107 |
106 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); | 108 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); |
107 } | 109 } |
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