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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkColorMatrixFilterRowMajor255.h" | 8 #include "SkColorMatrixFilterRowMajor255.h" |
9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
10 #include "SkNx.h" | 10 #include "SkNx.h" |
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250 | 250 |
251 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 251 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
252 | 252 |
253 class GLSLProcessor : public GrGLSLFragmentProcessor { | 253 class GLSLProcessor : public GrGLSLFragmentProcessor { |
254 public: | 254 public: |
255 // this class always generates the same code. | 255 // this class always generates the same code. |
256 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder*) {} | 256 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder*) {} |
257 | 257 |
258 void emitCode(EmitArgs& args) override { | 258 void emitCode(EmitArgs& args) override { |
259 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; | 259 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
260 fMatrixHandle = uniformHandler->addUniform(GrGLSLUniformHandler::kFr
agment_Visibility, | 260 fMatrixHandle = uniformHandler->addUniform(kFragment_GrShaderFlag, |
261 kMat44f_GrSLType, kDefaul
t_GrSLPrecision, | 261 kMat44f_GrSLType, kDefaul
t_GrSLPrecision, |
262 "ColorMatrix"); | 262 "ColorMatrix"); |
263 fVectorHandle = uniformHandler->addUniform(GrGLSLUniformHandler::kFr
agment_Visibility, | 263 fVectorHandle = uniformHandler->addUniform(kFragment_GrShaderFlag, |
264 kVec4f_GrSLType, kDefault
_GrSLPrecision, | 264 kVec4f_GrSLType, kDefault
_GrSLPrecision, |
265 "ColorMatrixVector"); | 265 "ColorMatrixVector"); |
266 | 266 |
267 if (nullptr == args.fInputColor) { | 267 if (nullptr == args.fInputColor) { |
268 // could optimize this case, but we aren't for now. | 268 // could optimize this case, but we aren't for now. |
269 args.fInputColor = "vec4(1)"; | 269 args.fInputColor = "vec4(1)"; |
270 } | 270 } |
271 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 271 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
272 // The max() is to guard against 0 / 0 during unpremul when the inco
ming color is | 272 // The max() is to guard against 0 / 0 during unpremul when the inco
ming color is |
273 // transparent black. | 273 // transparent black. |
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422 SkColorFilter* SkColorMatrixFilterRowMajor255::CreateSingleChannelOutput(const S
kScalar row[5]) { | 422 SkColorFilter* SkColorMatrixFilterRowMajor255::CreateSingleChannelOutput(const S
kScalar row[5]) { |
423 SkASSERT(row); | 423 SkASSERT(row); |
424 SkColorMatrixFilterRowMajor255* cf = new SkColorMatrixFilterRowMajor255(); | 424 SkColorMatrixFilterRowMajor255* cf = new SkColorMatrixFilterRowMajor255(); |
425 static_assert(sizeof(SkScalar) * 5 * 4 == sizeof(cf->fMatrix), "sizes don't
match"); | 425 static_assert(sizeof(SkScalar) * 5 * 4 == sizeof(cf->fMatrix), "sizes don't
match"); |
426 for (int i = 0; i < 4; ++i) { | 426 for (int i = 0; i < 4; ++i) { |
427 memcpy(cf->fMatrix + 5 * i, row, sizeof(SkScalar) * 5); | 427 memcpy(cf->fMatrix + 5 * i, row, sizeof(SkScalar) * 5); |
428 } | 428 } |
429 cf->initState(); | 429 cf->initState(); |
430 return cf; | 430 return cf; |
431 } | 431 } |
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