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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "GrConfigConversionEffect.h" | 8 #include "GrConfigConversionEffect.h" |
9 #include "GrContext.h" | 9 #include "GrContext.h" |
10 #include "GrDrawContext.h" | 10 #include "GrDrawContext.h" |
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24 // Using highp for GLES here in order to avoid some precision issues on
specific GPUs. | 24 // Using highp for GLES here in order to avoid some precision issues on
specific GPUs. |
25 GrGLSLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecisi
on); | 25 GrGLSLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecisi
on); |
26 SkString tmpDecl; | 26 SkString tmpDecl; |
27 tmpVar.appendDecl(args.fGLSLCaps, &tmpDecl); | 27 tmpVar.appendDecl(args.fGLSLCaps, &tmpDecl); |
28 | 28 |
29 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; | 29 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
30 | 30 |
31 fragBuilder->codeAppendf("%s;", tmpDecl.c_str()); | 31 fragBuilder->codeAppendf("%s;", tmpDecl.c_str()); |
32 | 32 |
33 fragBuilder->codeAppendf("%s = ", tmpVar.c_str()); | 33 fragBuilder->codeAppendf("%s = ", tmpVar.c_str()); |
34 fragBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].c_st
r(), | 34 fragBuilder->appendTextureLookup(args.fTexSamplers[0], args.fCoords[0].c
_str(), |
35 args.fCoords[0].getType()); | 35 args.fCoords[0].getType()); |
36 fragBuilder->codeAppend(";"); | 36 fragBuilder->codeAppend(";"); |
37 | 37 |
38 if (GrConfigConversionEffect::kNone_PMConversion == pmConversion) { | 38 if (GrConfigConversionEffect::kNone_PMConversion == pmConversion) { |
39 SkASSERT(GrSwizzle::RGBA() != swizzle); | 39 SkASSERT(GrSwizzle::RGBA() != swizzle); |
40 fragBuilder->codeAppendf("%s = %s.%s;", args.fOutputColor, tmpVar.c_
str(), | 40 fragBuilder->codeAppendf("%s = %s.%s;", args.fOutputColor, tmpVar.c_
str(), |
41 swizzle.c_str()); | 41 swizzle.c_str()); |
42 } else { | 42 } else { |
43 switch (pmConversion) { | 43 switch (pmConversion) { |
44 case GrConfigConversionEffect::kMulByAlpha_RoundUp_PMConversion: | 44 case GrConfigConversionEffect::kMulByAlpha_RoundUp_PMConversion: |
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301 } else { | 301 } else { |
302 if (kRGBA_8888_GrPixelConfig != texture->config() && | 302 if (kRGBA_8888_GrPixelConfig != texture->config() && |
303 kBGRA_8888_GrPixelConfig != texture->config() && | 303 kBGRA_8888_GrPixelConfig != texture->config() && |
304 kNone_PMConversion != pmConversion) { | 304 kNone_PMConversion != pmConversion) { |
305 // The PM conversions assume colors are 0..255 | 305 // The PM conversions assume colors are 0..255 |
306 return nullptr; | 306 return nullptr; |
307 } | 307 } |
308 return new GrConfigConversionEffect(texture, swizzle, pmConversion, matr
ix); | 308 return new GrConfigConversionEffect(texture, swizzle, pmConversion, matr
ix); |
309 } | 309 } |
310 } | 310 } |
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