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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrShadowGeoProc_DEFINED
#define GrShadowGeoProc_DEFINED
#include "GrProcessor.h"
#include "GrGeometryProcessor.h"
class GrGLRRectShadowGeoProc;
/**
* The output color of this effect is a coverage mask for a rrect shadow,
* assuming circular corner geometry.
*/
class GrRRectShadowGeoProc : public GrGeometryProcessor {
public:
static sk_sp<GrGeometryProcessor> Make(const SkMatrix& localMatrix) {
return sk_sp<GrGeometryProcessor>(new GrRRectShadowGeoProc(localMatrix));
}
~GrRRectShadowGeoProc() override {}
const char* name() const override { return "RRectShadow"; }
const Attribute* inPosition() const { return fInPosition; }
const Attribute* inColor() const { return fInColor; }
const Attribute* inShadowParams() const { return fInShadowParams; }
GrColor color() const { return fColor; }
const SkMatrix& localMatrix() const { return fLocalMatrix; }
void getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override;
GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override;
private:
GrRRectShadowGeoProc(const SkMatrix& localMatrix);
GrColor fColor;
SkMatrix fLocalMatrix;
const Attribute* fInPosition;
const Attribute* fInColor;
const Attribute* fInShadowParams;
GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
typedef GrGeometryProcessor INHERITED;
};
#endif
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