| OLD | NEW |
| 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 "SkLumaColorFilter.h" | 8 #include "SkLumaColorFilter.h" |
| 9 | 9 |
| 10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
| 11 #include "SkString.h" | 11 #include "SkString.h" |
| 12 | 12 |
| 13 #if SK_SUPPORT_GPU | 13 #if SK_SUPPORT_GPU |
| 14 #include "GrContext.h" | 14 #include "GrContext.h" |
| 15 #include "GrInvariantOutput.h" | 15 #include "GrInvariantOutput.h" |
| 16 #include "gl/GrGLFragmentProcessor.h" | 16 #include "gl/GrGLFragmentProcessor.h" |
| 17 #include "gl/builders/GrGLProgramBuilder.h" | 17 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 18 #include "glsl/GrGLSLProgramBuilder.h" |
| 18 #endif | 19 #endif |
| 19 | 20 |
| 20 void SkLumaColorFilter::filterSpan(const SkPMColor src[], int count, | 21 void SkLumaColorFilter::filterSpan(const SkPMColor src[], int count, |
| 21 SkPMColor dst[]) const { | 22 SkPMColor dst[]) const { |
| 22 for (int i = 0; i < count; ++i) { | 23 for (int i = 0; i < count; ++i) { |
| 23 SkPMColor c = src[i]; | 24 SkPMColor c = src[i]; |
| 24 | 25 |
| 25 /* | 26 /* |
| 26 * While LuminanceToAlpha is defined to operate on un-premultiplied | 27 * While LuminanceToAlpha is defined to operate on un-premultiplied |
| 27 * inputs, due to the final alpha scaling it can be computed based on | 28 * inputs, due to the final alpha scaling it can be computed based on |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 64 public: | 65 public: |
| 65 GLProcessor(const GrProcessor&) {} | 66 GLProcessor(const GrProcessor&) {} |
| 66 | 67 |
| 67 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder* b) {} | 68 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder* b) {} |
| 68 | 69 |
| 69 virtual void emitCode(EmitArgs& args) override { | 70 virtual void emitCode(EmitArgs& args) override { |
| 70 if (nullptr == args.fInputColor) { | 71 if (nullptr == args.fInputColor) { |
| 71 args.fInputColor = "vec4(1)"; | 72 args.fInputColor = "vec4(1)"; |
| 72 } | 73 } |
| 73 | 74 |
| 74 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBui
lder(); | 75 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderB
uilder(); |
| 75 fsBuilder->codeAppendf("\tfloat luma = dot(vec3(%f, %f, %f), %s.rgb)
;\n", | 76 fsBuilder->codeAppendf("\tfloat luma = dot(vec3(%f, %f, %f), %s.rgb)
;\n", |
| 76 SK_ITU_BT709_LUM_COEFF_R, | 77 SK_ITU_BT709_LUM_COEFF_R, |
| 77 SK_ITU_BT709_LUM_COEFF_G, | 78 SK_ITU_BT709_LUM_COEFF_G, |
| 78 SK_ITU_BT709_LUM_COEFF_B, | 79 SK_ITU_BT709_LUM_COEFF_B, |
| 79 args.fInputColor); | 80 args.fInputColor); |
| 80 fsBuilder->codeAppendf("\t%s = vec4(0, 0, 0, luma);\n", | 81 fsBuilder->codeAppendf("\t%s = vec4(0, 0, 0, luma);\n", |
| 81 args.fOutputColor); | 82 args.fOutputColor); |
| 82 | 83 |
| 83 } | 84 } |
| 84 | 85 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 105 inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0
), | 106 inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0
), |
| 106 GrInvariantOutput::kWill_ReadInput); | 107 GrInvariantOutput::kWill_ReadInput); |
| 107 } | 108 } |
| 108 }; | 109 }; |
| 109 | 110 |
| 110 const GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) co
nst { | 111 const GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) co
nst { |
| 111 | 112 |
| 112 return LumaColorFilterEffect::Create(); | 113 return LumaColorFilterEffect::Create(); |
| 113 } | 114 } |
| 114 #endif | 115 #endif |
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