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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 GrFixedClip_DEFINED
#define GrFixedClip_DEFINED
#include "GrClip.h"
#include "GrTypesPriv.h"
/**
* GrFixedClip is a clip that can be represented by fixed-function hardware. It never modifies the
* stencil buffer itself, but can be configured to use whatever clip is already there.
*/
class GrFixedClip final : public GrClip {
public:
GrFixedClip() : fHasStencilClip(false) {}
GrFixedClip(const SkIRect& scissorRect)
: fScissorState(scissorRect)
, fHasStencilClip(false) {}
void reset() {
fScissorState.setDisabled();
fHasStencilClip = false;
}
void reset(const SkIRect& scissorRect) {
fScissorState.set(scissorRect);
fHasStencilClip = false;
}
void enableStencilClip() { fHasStencilClip = true; }
void disableStencilClip() { fHasStencilClip = false; }
bool quickContains(const SkRect&) const final;
void getConservativeBounds(int width, int height, SkIRect* devResult,
bool* isIntersectionOfRects) const final;
private:
bool apply(GrContext*, GrDrawContext*, bool useHWAA, bool hasUserStencilSettings,
GrAppliedClip* out) const final;
GrScissorState fScissorState;
bool fHasStencilClip;
};
#endif
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