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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/GrGLEffect.h" | 9 #include "gl/GrGLEffect.h" |
10 #include "gl/GrGLSL.h" | 10 #include "gl/GrGLSL.h" |
11 #include "gl/GrGLTexture.h" | 11 #include "gl/GrGLTexture.h" |
| 12 #include "gl/GrGLVertexEffect.h" |
12 #include "GrTBackendEffectFactory.h" | 13 #include "GrTBackendEffectFactory.h" |
13 #include "GrTexture.h" | 14 #include "GrTexture.h" |
14 | 15 |
15 class GrGLCustomCoordsTextureEffect : public GrGLEffect { | 16 class GrGLCustomCoordsTextureEffect : public GrGLVertexEffect { |
16 public: | 17 public: |
17 GrGLCustomCoordsTextureEffect(const GrBackendEffectFactory& factory, const G
rDrawEffect& drawEffect) | 18 GrGLCustomCoordsTextureEffect(const GrBackendEffectFactory& factory, const G
rDrawEffect& drawEffect) |
18 : INHERITED (factory) {} | 19 : INHERITED (factory) {} |
19 | 20 |
20 virtual void emitCode(GrGLShaderBuilder* builder, | 21 virtual void emitCode(GrGLFullShaderBuilder* builder, |
21 const GrDrawEffect& drawEffect, | 22 const GrDrawEffect& drawEffect, |
22 EffectKey key, | 23 EffectKey key, |
23 const char* outputColor, | 24 const char* outputColor, |
24 const char* inputColor, | 25 const char* inputColor, |
25 const TransformedCoordsArray&, | 26 const TransformedCoordsArray&, |
26 const TextureSamplerArray& samplers) SK_OVERRIDE { | 27 const TextureSamplerArray& samplers) SK_OVERRIDE { |
27 GrGLShaderBuilder::VertexBuilder* vertexBuilder = builder->getVertexBuil
der(); | |
28 SkASSERT(NULL != vertexBuilder); | |
29 SkASSERT(1 == drawEffect.castEffect<GrCustomCoordsTextureEffect>().numVe
rtexAttribs()); | 28 SkASSERT(1 == drawEffect.castEffect<GrCustomCoordsTextureEffect>().numVe
rtexAttribs()); |
30 | 29 |
31 SkString fsCoordName; | 30 SkString fsCoordName; |
32 const char* vsVaryingName; | 31 const char* vsVaryingName; |
33 const char* fsVaryingNamePtr; | 32 const char* fsVaryingNamePtr; |
34 vertexBuilder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingNa
me, &fsVaryingNamePtr); | 33 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); |
35 fsCoordName = fsVaryingNamePtr; | 34 fsCoordName = fsVaryingNamePtr; |
36 | 35 |
37 const char* attrName = | 36 const char* attrName = |
38 vertexBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndi
ces()[0])->c_str(); | 37 builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[
0])->c_str(); |
39 vertexBuilder->vsCodeAppendf("\t%s = %s;\n", vsVaryingName, attrName); | 38 builder->vsCodeAppendf("\t%s = %s;\n", vsVaryingName, attrName); |
40 | 39 |
41 builder->fsCodeAppendf("\t%s = ", outputColor); | 40 builder->fsCodeAppendf("\t%s = ", outputColor); |
42 builder->fsAppendTextureLookupAndModulate(inputColor, | 41 builder->fsAppendTextureLookupAndModulate(inputColor, |
43 samplers[0], | 42 samplers[0], |
44 fsCoordName.c_str(), | 43 fsCoordName.c_str(), |
45 kVec2f_GrSLType); | 44 kVec2f_GrSLType); |
46 builder->fsCodeAppend(";\n"); | 45 builder->fsCodeAppend(";\n"); |
47 } | 46 } |
48 | 47 |
49 virtual void setData(const GrGLUniformManager& uman, | 48 virtual void setData(const GrGLUniformManager& uman, |
50 const GrDrawEffect& drawEffect) SK_OVERRIDE {} | 49 const GrDrawEffect& drawEffect) SK_OVERRIDE {} |
51 | 50 |
52 private: | 51 private: |
53 typedef GrGLEffect INHERITED; | 52 typedef GrGLVertexEffect INHERITED; |
54 }; | 53 }; |
55 | 54 |
56 /////////////////////////////////////////////////////////////////////////////// | 55 /////////////////////////////////////////////////////////////////////////////// |
57 | 56 |
58 GrCustomCoordsTextureEffect::GrCustomCoordsTextureEffect(GrTexture* texture, | 57 GrCustomCoordsTextureEffect::GrCustomCoordsTextureEffect(GrTexture* texture, |
59 const GrTextureParams&
params) | 58 const GrTextureParams&
params) |
60 : fTextureAccess(texture, params) { | 59 : fTextureAccess(texture, params) { |
61 this->addTextureAccess(&fTextureAccess); | 60 this->addTextureAccess(&fTextureAccess); |
62 this->addVertexAttrib(kVec2f_GrSLType); | 61 this->addVertexAttrib(kVec2f_GrSLType); |
63 } | 62 } |
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98 }; | 97 }; |
99 SkShader::TileMode tileModes[] = { | 98 SkShader::TileMode tileModes[] = { |
100 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 99 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
101 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 100 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
102 }; | 101 }; |
103 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : | 102 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : |
104 GrTextureParams::kNon
e_FilterMode); | 103 GrTextureParams::kNon
e_FilterMode); |
105 | 104 |
106 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); | 105 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); |
107 } | 106 } |
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