SkLumaColorFilter.cpp 1.4 KB

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  1. /*
  2. * Copyright 2013 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. #include "include/core/SkString.h"
  8. #include "include/effects/SkLumaColorFilter.h"
  9. #include "include/private/SkColorData.h"
  10. #include "src/core/SkEffectPriv.h"
  11. #include "src/core/SkRasterPipeline.h"
  12. #if SK_SUPPORT_GPU
  13. #include "include/gpu/GrContext.h"
  14. #include "src/gpu/effects/generated/GrLumaColorFilterEffect.h"
  15. #include "src/gpu/glsl/GrGLSLFragmentProcessor.h"
  16. #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
  17. #endif
  18. bool SkLumaColorFilter::onAppendStages(const SkStageRec& rec, bool shaderIsOpaque) const {
  19. rec.fPipeline->append(SkRasterPipeline::bt709_luminance_or_luma_to_alpha);
  20. rec.fPipeline->append(SkRasterPipeline::clamp_0);
  21. rec.fPipeline->append(SkRasterPipeline::clamp_1);
  22. return true;
  23. }
  24. sk_sp<SkColorFilter> SkLumaColorFilter::Make() {
  25. return sk_sp<SkColorFilter>(new SkLumaColorFilter);
  26. }
  27. SkLumaColorFilter::SkLumaColorFilter() : INHERITED() {}
  28. sk_sp<SkFlattenable> SkLumaColorFilter::CreateProc(SkReadBuffer&) {
  29. return Make();
  30. }
  31. void SkLumaColorFilter::flatten(SkWriteBuffer&) const {}
  32. #if SK_SUPPORT_GPU
  33. std::unique_ptr<GrFragmentProcessor> SkLumaColorFilter::asFragmentProcessor(
  34. GrRecordingContext*, const GrColorSpaceInfo&) const {
  35. return GrLumaColorFilterEffect::Make();
  36. }
  37. #endif