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/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrFixedClip.h"
#include "GrAppliedClip.h"
#include "GrDrawContext.h"
bool GrFixedClip::quickContains(const SkRect& rect) const {
if (fHasStencilClip) {
return false;
}
return !fScissorState.enabled() || GrClip::IsInsideClip(fScissorState.rect(), rect);
}
void GrFixedClip::getConservativeBounds(int width, int height, SkIRect* devResult,
bool* isIntersectionOfRects) const {
devResult->setXYWH(0, 0, width, height);
if (fScissorState.enabled()) {
if (!devResult->intersect(fScissorState.rect())) {
devResult->setEmpty();
}
}
if (isIntersectionOfRects) {
*isIntersectionOfRects = true;
}
}
bool GrFixedClip::apply(GrContext*, GrDrawContext* drawContext, bool isHWAntiAlias,
bool hasUserStencilSettings, GrAppliedClip* out) const {
if (fScissorState.enabled()) {
SkIRect tightScissor;
if (!tightScissor.intersect(fScissorState.rect(),
SkIRect::MakeWH(drawContext->width(), drawContext->height()))) {
return false;
}
if (IsOutsideClip(tightScissor, out->clippedDrawBounds())) {
return false;
}
if (!IsInsideClip(fScissorState.rect(), out->clippedDrawBounds())) {
out->addScissor(tightScissor);
}
}
if (fHasStencilClip) {
out->addStencilClip();
}
return true;
}
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