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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrDiscardOp_DEFINED
#define GrDiscardOp_DEFINED
#include "GrGpuCommandBuffer.h"
#include "GrOp.h"
#include "GrOpFlushState.h"
#include "GrRenderTargetProxy.h"
class GrDiscardOp final : public GrOp {
public:
DEFINE_OP_CLASS_ID
static std::unique_ptr<GrOp> Make(GrRenderTargetProxy* proxy) {
return std::unique_ptr<GrOp>(new GrDiscardOp(proxy));
}
const char* name() const override { return "Discard"; }
SkString dumpInfo() const override {
SkString string;
string.append(INHERITED::dumpInfo());
return string;
}
private:
GrDiscardOp(GrRenderTargetProxy* proxy) : INHERITED(ClassID()) {
this->setBounds(SkRect::MakeIWH(proxy->width(), proxy->height()),
HasAABloat::kNo, IsZeroArea::kNo);
}
bool onCombineIfPossible(GrOp* that, const GrCaps& caps) override { return false; }
void onPrepare(GrOpFlushState*) override {}
void onExecute(GrOpFlushState* state) override {
SkASSERT(state->drawOpArgs().renderTarget());
state->commandBuffer()->discard(state->drawOpArgs().fProxy);
}
typedef GrOp INHERITED;
};
#endif
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