blob: 52d644879441a68bb4e28b9a5feb0ad3a817b74f [file] [log] [blame]
* 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 "src/base/SkArenaAlloc.h"
#include "src/gpu/ganesh/GrGeometryProcessor.h"
#include "src/gpu/ganesh/GrProcessor.h"
#include "src/gpu/ganesh/GrProcessorUnitTest.h"
class GrGLRRectShadowGeoProc;
class GrSurfaceProxyView;
* The output color of this effect is a coverage mask for a rrect shadow,
* assuming circular corner geometry.
class GrRRectShadowGeoProc : public GrGeometryProcessor {
static GrGeometryProcessor* Make(SkArenaAlloc* arena, const GrSurfaceProxyView& lutView) {
return arena->make([&](void* ptr) {
return new (ptr) GrRRectShadowGeoProc(lutView);
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; }
void addToKey(const GrShaderCaps&, skgpu::KeyBuilder*) const override {}
std::unique_ptr<ProgramImpl> makeProgramImpl(const GrShaderCaps&) const override;
class Impl;
GrRRectShadowGeoProc(const GrSurfaceProxyView& lutView);
const TextureSampler& onTextureSampler(int i) const override { return fLUTTextureSampler; }
GrColor fColor;
TextureSampler fLUTTextureSampler;
Attribute fInPosition;
Attribute fInColor;
Attribute fInShadowParams;
using INHERITED = GrGeometryProcessor;