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