blob: bc8fed539abd20c70134dd53152601d039df9469 [file] [log] [blame]
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkLocalMatrixShader_DEFINED
#define SkLocalMatrixShader_DEFINED
#include "src/core/SkReadBuffer.h"
#include "src/core/SkWriteBuffer.h"
#include "src/shaders/SkShaderBase.h"
class GrFragmentProcessor;
class SkArenaAlloc;
class SkLocalMatrixShader final : public SkShaderBase {
public:
SkLocalMatrixShader(sk_sp<SkShader> proxy, const SkMatrix& localMatrix)
: INHERITED(&localMatrix)
, fProxyShader(std::move(proxy))
{}
GradientType asAGradient(GradientInfo* info) const override {
return fProxyShader->asAGradient(info);
}
#if SK_SUPPORT_GPU
std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&) const override;
#endif
sk_sp<SkShader> makeAsALocalMatrixShader(SkMatrix* localMatrix) const override {
if (localMatrix) {
*localMatrix = this->getLocalMatrix();
}
return fProxyShader;
}
protected:
void flatten(SkWriteBuffer&) const override;
#ifdef SK_ENABLE_LEGACY_SHADERCONTEXT
Context* onMakeContext(const ContextRec&, SkArenaAlloc*) const override;
#endif
SkImage* onIsAImage(SkMatrix* matrix, SkTileMode* mode) const override;
bool onAppendStages(const SkStageRec&) const override;
skvm::Color onProgram(skvm::Builder*, skvm::Coord device, skvm::Coord local, skvm::Color paint,
const SkMatrixProvider&, const SkMatrix* localM,
SkFilterQuality quality, const SkColorInfo& dst,
skvm::Uniforms* uniforms, SkArenaAlloc*) const override;
private:
SK_FLATTENABLE_HOOKS(SkLocalMatrixShader)
sk_sp<SkShader> fProxyShader;
using INHERITED = SkShaderBase;
};
#endif