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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkLumaColorFilter.h"
#include "SkPM4f.h"
#include "SkColorData.h"
#include "SkRasterPipeline.h"
#include "SkString.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "effects/GrLumaColorFilterEffect.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#endif
void SkLumaColorFilter::onAppendStages(SkRasterPipeline* p,
SkColorSpace* dst,
SkArenaAlloc* scratch,
bool shaderIsOpaque) const {
p->append(SkRasterPipeline::luminance_to_alpha);
}
sk_sp<SkColorFilter> SkLumaColorFilter::Make() {
return sk_sp<SkColorFilter>(new SkLumaColorFilter);
}
SkLumaColorFilter::SkLumaColorFilter() : INHERITED() {}
sk_sp<SkFlattenable> SkLumaColorFilter::CreateProc(SkReadBuffer&) {
return Make();
}
void SkLumaColorFilter::flatten(SkWriteBuffer&) const {}
#if SK_SUPPORT_GPU
std::unique_ptr<GrFragmentProcessor> SkLumaColorFilter::asFragmentProcessor(
GrContext*, const GrColorSpaceInfo&) const {
return GrLumaColorFilterEffect::Make();
}
#endif
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