OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "effects/GrConstColorProcessor.h" | 8 #include "effects/GrConstColorProcessor.h" |
9 #include "glsl/GrGLSLFragmentProcessor.h" | 9 #include "glsl/GrGLSLFragmentProcessor.h" |
10 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 10 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
11 #include "glsl/GrGLSLProgramBuilder.h" | 11 #include "glsl/GrGLSLProgramBuilder.h" |
12 #include "glsl/GrGLSLProgramDataManager.h" | 12 #include "glsl/GrGLSLProgramDataManager.h" |
13 | 13 |
14 class GLConstColorProcessor : public GrGLSLFragmentProcessor { | 14 class GLConstColorProcessor : public GrGLSLFragmentProcessor { |
15 public: | 15 public: |
16 GLConstColorProcessor() : fPrevColor(GrColor_ILLEGAL) {} | 16 GLConstColorProcessor() : fPrevColor(GrColor_ILLEGAL) {} |
17 | 17 |
18 void emitCode(EmitArgs& args) override { | 18 void emitCode(EmitArgs& args) override { |
19 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuild
er(); | 19 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
20 const char* colorUni; | 20 const char* colorUni; |
21 fColorUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragmen
t_Visibility, | 21 fColorUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragmen
t_Visibility, |
22 kVec4f_GrSLType, kMedium_GrSLPrecisi
on, "constantColor", | 22 kVec4f_GrSLType, kMedium_GrSLPrecisi
on, "constantColor", |
23 &colorUni); | 23 &colorUni); |
24 GrConstColorProcessor::InputMode mode = args.fFp.cast<GrConstColorProces
sor>().inputMode(); | 24 GrConstColorProcessor::InputMode mode = args.fFp.cast<GrConstColorProces
sor>().inputMode(); |
25 if (!args.fInputColor) { | 25 if (!args.fInputColor) { |
26 mode = GrConstColorProcessor::kIgnore_InputMode; | 26 mode = GrConstColorProcessor::kIgnore_InputMode; |
27 } | 27 } |
28 switch (mode) { | 28 switch (mode) { |
29 case GrConstColorProcessor::kIgnore_InputMode: | 29 case GrConstColorProcessor::kIgnore_InputMode: |
30 fsBuilder->codeAppendf("%s = %s;", args.fOutputColor, colorUni); | 30 fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, colorUni
); |
31 break; | 31 break; |
32 case GrConstColorProcessor::kModulateRGBA_InputMode: | 32 case GrConstColorProcessor::kModulateRGBA_InputMode: |
33 fsBuilder->codeAppendf("%s = %s * %s;", args.fOutputColor, args.
fInputColor, | 33 fragBuilder->codeAppendf("%s = %s * %s;", args.fOutputColor, arg
s.fInputColor, |
34 colorUni); | 34 colorUni); |
35 break; | 35 break; |
36 case GrConstColorProcessor::kModulateA_InputMode: | 36 case GrConstColorProcessor::kModulateA_InputMode: |
37 fsBuilder->codeAppendf("%s = %s.a * %s;", args.fOutputColor, arg
s.fInputColor, | 37 fragBuilder->codeAppendf("%s = %s.a * %s;", args.fOutputColor, a
rgs.fInputColor, |
38 colorUni); | 38 colorUni); |
39 break; | 39 break; |
40 } | 40 } |
41 } | 41 } |
42 | 42 |
43 protected: | 43 protected: |
44 void onSetData(const GrGLSLProgramDataManager& pdm, const GrProcessor& proce
ssor) override { | 44 void onSetData(const GrGLSLProgramDataManager& pdm, const GrProcessor& proce
ssor) override { |
45 GrColor color = processor.cast<GrConstColorProcessor>().color(); | 45 GrColor color = processor.cast<GrConstColorProcessor>().color(); |
46 // We use the "illegal" color value as an uninit sentinel. However, ut i
sn't inherently | 46 // We use the "illegal" color value as an uninit sentinel. However, ut i
sn't inherently |
47 // illegal to use this processor with unpremul colors. So we correctly h
andle the case | 47 // illegal to use this processor with unpremul colors. So we correctly h
andle the case |
(...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
126 color = 0; | 126 color = 0; |
127 break; | 127 break; |
128 case 2: | 128 case 2: |
129 color = d->fRandom->nextULessThan(0x100); | 129 color = d->fRandom->nextULessThan(0x100); |
130 color = color | (color << 8) | (color << 16) | (color << 24); | 130 color = color | (color << 8) | (color << 16) | (color << 24); |
131 break; | 131 break; |
132 } | 132 } |
133 InputMode mode = static_cast<InputMode>(d->fRandom->nextULessThan(kInputMode
Cnt)); | 133 InputMode mode = static_cast<InputMode>(d->fRandom->nextULessThan(kInputMode
Cnt)); |
134 return GrConstColorProcessor::Create(color, mode); | 134 return GrConstColorProcessor::Create(color, mode); |
135 } | 135 } |
OLD | NEW |