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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 "gl/builders/GrGLProgramBuilder.h" |
9 #include "GrCustomCoordsTextureEffect.h" | 9 #include "GrCustomCoordsTextureEffect.h" |
10 #include "gl/GrGLEffect.h" | 10 #include "gl/GrGLEffect.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/GrGLGeometryProcessor.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 GrGLGeometryProcessor { |
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(GrGLFullProgramBuilder* 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 const GrCustomCoordsTextureEffect& customCoordsTextureEffect = |
| 30 drawEffect.castEffect<GrCustomCoordsTextureEffect>(); |
| 31 SkASSERT(1 == customCoordsTextureEffect.getVertexAttribs().count()); |
30 | 32 |
31 SkString fsCoordName; | 33 SkString fsCoordName; |
32 const char* vsVaryingName; | 34 const char* vsVaryingName; |
33 const char* fsVaryingNamePtr; | 35 const char* fsVaryingNamePtr; |
34 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); | 36 builder->addVarying(kVec2f_GrSLType, "textureCoords", &vsVaryingName, &f
sVaryingNamePtr); |
35 fsCoordName = fsVaryingNamePtr; | 37 fsCoordName = fsVaryingNamePtr; |
36 | 38 |
37 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); | 39 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
38 const SkString* attr0Name = | 40 const GrShaderVar& inTextureCoords = customCoordsTextureEffect.inTexture
Coords(); |
39 vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices(
)[0]); | 41 vsBuilder->codeAppendf("\t%s = %s;\n", vsVaryingName, inTextureCoords.c_
str()); |
40 vsBuilder->codeAppendf("\t%s = %s;\n", vsVaryingName, attr0Name->c_str()
); | |
41 | 42 |
42 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder
(); | 43 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder
(); |
43 fsBuilder->codeAppendf("\t%s = ", outputColor); | 44 fsBuilder->codeAppendf("\t%s = ", outputColor); |
44 fsBuilder->appendTextureLookupAndModulate(inputColor, | 45 fsBuilder->appendTextureLookupAndModulate(inputColor, |
45 samplers[0], | 46 samplers[0], |
46 fsCoordName.c_str(), | 47 fsCoordName.c_str(), |
47 kVec2f_GrSLType); | 48 kVec2f_GrSLType); |
48 fsBuilder->codeAppend(";\n"); | 49 fsBuilder->codeAppend(";\n"); |
49 } | 50 } |
50 | 51 |
51 virtual void setData(const GrGLProgramDataManager& pdman, | 52 virtual void setData(const GrGLProgramDataManager& pdman, |
52 const GrDrawEffect& drawEffect) SK_OVERRIDE {} | 53 const GrDrawEffect& drawEffect) SK_OVERRIDE {} |
53 | 54 |
54 private: | 55 private: |
55 typedef GrGLVertexEffect INHERITED; | 56 typedef GrGLGeometryProcessor INHERITED; |
56 }; | 57 }; |
57 | 58 |
58 /////////////////////////////////////////////////////////////////////////////// | 59 /////////////////////////////////////////////////////////////////////////////// |
59 | 60 |
60 GrCustomCoordsTextureEffect::GrCustomCoordsTextureEffect(GrTexture* texture, | 61 GrCustomCoordsTextureEffect::GrCustomCoordsTextureEffect(GrTexture* texture, |
61 const GrTextureParams&
params) | 62 const GrTextureParams&
params) |
62 : fTextureAccess(texture, params) { | 63 : fTextureAccess(texture, params) |
| 64 , fInTextureCoords(this->addVertexAttrib(GrShaderVar("inTextureCoords", |
| 65 kVec2f_GrSLType, |
| 66 GrShaderVar::kAttribute
_TypeModifier))) { |
63 this->addTextureAccess(&fTextureAccess); | 67 this->addTextureAccess(&fTextureAccess); |
64 this->addVertexAttrib(kVec2f_GrSLType); | |
65 } | 68 } |
66 | 69 |
67 bool GrCustomCoordsTextureEffect::onIsEqual(const GrEffect& other) const { | 70 bool GrCustomCoordsTextureEffect::onIsEqual(const GrEffect& other) const { |
68 const GrCustomCoordsTextureEffect& cte = CastEffect<GrCustomCoordsTextureEff
ect>(other); | 71 const GrCustomCoordsTextureEffect& cte = CastEffect<GrCustomCoordsTextureEff
ect>(other); |
69 return fTextureAccess == cte.fTextureAccess; | 72 return fTextureAccess == cte.fTextureAccess; |
70 } | 73 } |
71 | 74 |
72 void GrCustomCoordsTextureEffect::getConstantColorComponents(GrColor* color, | 75 void GrCustomCoordsTextureEffect::getConstantColorComponents(GrColor* color, |
73 uint32_t* validFlag
s) const { | 76 uint32_t* validFlag
s) const { |
74 if ((*validFlags & kA_GrColorComponentFlag) && 0xFF == GrColorUnpackA(*color
) && | 77 if ((*validFlags & kA_GrColorComponentFlag) && 0xFF == GrColorUnpackA(*color
) && |
(...skipping 25 matching lines...) Expand all Loading... |
100 }; | 103 }; |
101 SkShader::TileMode tileModes[] = { | 104 SkShader::TileMode tileModes[] = { |
102 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 105 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
103 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | 106 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], |
104 }; | 107 }; |
105 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : | 108 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBil
erp_FilterMode : |
106 GrTextureParams::kNon
e_FilterMode); | 109 GrTextureParams::kNon
e_FilterMode); |
107 | 110 |
108 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); | 111 return GrCustomCoordsTextureEffect::Create(textures[texIdx], params); |
109 } | 112 } |
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