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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 gets implemented by fixed-function hardware.
*/
class GrFixedClip final : public GrClip {
public:
GrFixedClip() = default;
explicit GrFixedClip(const SkIRect& scissorRect) : fScissorState(scissorRect) {}
const GrScissorState& scissorState() const { return fScissorState; }
bool scissorEnabled() const { return fScissorState.enabled(); }
const SkIRect& scissorRect() const { SkASSERT(scissorEnabled()); return fScissorState.rect(); }
void disableScissor() { fScissorState.setDisabled(); }
bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& irect) {
return fScissorState.intersect(irect);
}
bool quickContains(const SkRect& rect) const final {
return !fScissorState.enabled() || GrClip::IsInsideClip(fScissorState.rect(), rect);
}
void getConservativeBounds(int width, int height, SkIRect* devResult,
bool* isIntersectionOfRects) const final;
bool isRRect(const SkRect& rtBounds, SkRRect* rr, bool* aa) const override {
if (fScissorState.enabled()) {
SkRect rect = SkRect::Make(fScissorState.rect());
if (!rect.intersects(rtBounds)) {
return false;
}
rr->setRect(rect);
*aa = false;
return true;
}
return false;
};
bool apply(GrContext*, GrDrawContext*, bool useHWAA, bool hasUserStencilSettings,
GrAppliedClip* out) const final;
static const GrFixedClip& Disabled();
private:
GrScissorState fScissorState;
};
#endif
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