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comparison: gfx/skia/trunk/src/gpu/effects/GrSimpleTextureEffect.cpp
gfx/skia/trunk/src/gpu/effects/GrSimpleTextureEffect.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:1a3bd223aaa7 |
|---|---|
| 1 /* | |
| 2 * Copyright 2012 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "GrSimpleTextureEffect.h" | |
| 9 #include "gl/GrGLEffect.h" | |
| 10 #include "gl/GrGLSL.h" | |
| 11 #include "gl/GrGLTexture.h" | |
| 12 #include "GrTBackendEffectFactory.h" | |
| 13 #include "GrTexture.h" | |
| 14 | |
| 15 class GrGLSimpleTextureEffect : public GrGLEffect { | |
| 16 public: | |
| 17 GrGLSimpleTextureEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&) | |
| 18 : INHERITED (factory) { | |
| 19 } | |
| 20 | |
| 21 virtual void emitCode(GrGLShaderBuilder* builder, | |
| 22 const GrDrawEffect& drawEffect, | |
| 23 EffectKey key, | |
| 24 const char* outputColor, | |
| 25 const char* inputColor, | |
| 26 const TransformedCoordsArray& coords, | |
| 27 const TextureSamplerArray& samplers) SK_OVERRIDE { | |
| 28 builder->fsCodeAppendf("\t%s = ", outputColor); | |
| 29 builder->fsAppendTextureLookupAndModulate(inputColor, | |
| 30 samplers[0], | |
| 31 coords[0].c_str(), | |
| 32 coords[0].type()); | |
| 33 builder->fsCodeAppend(";\n"); | |
| 34 } | |
| 35 | |
| 36 private: | |
| 37 typedef GrGLEffect INHERITED; | |
| 38 }; | |
| 39 | |
| 40 /////////////////////////////////////////////////////////////////////////////// | |
| 41 | |
| 42 void GrSimpleTextureEffect::getConstantColorComponents(GrColor* color, uint32_t* validFlags) const { | |
| 43 this->updateConstantColorComponentsForModulation(color, validFlags); | |
| 44 } | |
| 45 | |
| 46 const GrBackendEffectFactory& GrSimpleTextureEffect::getFactory() const { | |
| 47 return GrTBackendEffectFactory<GrSimpleTextureEffect>::getInstance(); | |
| 48 } | |
| 49 | |
| 50 /////////////////////////////////////////////////////////////////////////////// | |
| 51 | |
| 52 GR_DEFINE_EFFECT_TEST(GrSimpleTextureEffect); | |
| 53 | |
| 54 GrEffectRef* GrSimpleTextureEffect::TestCreate(SkRandom* random, | |
| 55 GrContext*, | |
| 56 const GrDrawTargetCaps&, | |
| 57 GrTexture* textures[]) { | |
| 58 int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx : | |
| 59 GrEffectUnitTest::kAlphaTextureIdx; | |
| 60 static const SkShader::TileMode kTileModes[] = { | |
| 61 SkShader::kClamp_TileMode, | |
| 62 SkShader::kRepeat_TileMode, | |
| 63 SkShader::kMirror_TileMode, | |
| 64 }; | |
| 65 SkShader::TileMode tileModes[] = { | |
| 66 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | |
| 67 kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))], | |
| 68 }; | |
| 69 GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode : | |
| 70 GrTextureParams::kNone_FilterMode); | |
| 71 | |
| 72 static const GrCoordSet kCoordSets[] = { | |
| 73 kLocal_GrCoordSet, | |
| 74 kPosition_GrCoordSet | |
| 75 }; | |
| 76 GrCoordSet coordSet = kCoordSets[random->nextULessThan(GR_ARRAY_COUNT(kCoordSets))]; | |
| 77 | |
| 78 const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random); | |
| 79 return GrSimpleTextureEffect::Create(textures[texIdx], matrix, coordSet); | |
| 80 } |
