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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 (fWindowRectsState.enabled()) {
return false;
}
return !fScissorState.enabled() || GrClip::IsInsideClip(fScissorState.rect(), rect);
}
void GrFixedClip::getConservativeBounds(int w, int h, SkIRect* devResult, bool* iior) const {
devResult->setXYWH(0, 0, w, h);
if (fScissorState.enabled()) {
if (!devResult->intersect(fScissorState.rect())) {
devResult->setEmpty();
}
}
if (iior) {
*iior = true;
}
}
bool GrFixedClip::isRRect(const SkRect& rtBounds, SkRRect* rr, bool* aa) const {
if (fWindowRectsState.enabled()) {
return false;
}
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 GrFixedClip::apply(GrContext*, GrDrawContext* dc, bool, bool, GrAppliedClip* out) const {
if (fScissorState.enabled()) {
SkIRect tightScissor = SkIRect::MakeWH(dc->width(), dc->height());
if (!tightScissor.intersect(fScissorState.rect())) {
return false;
}
if (IsOutsideClip(tightScissor, out->clippedDrawBounds())) {
return false;
}
if (!IsInsideClip(fScissorState.rect(), out->clippedDrawBounds())) {
out->addScissor(tightScissor);
}
}
if (fWindowRectsState.enabled()) {
out->addWindowRectangles(fWindowRectsState);
}
return true;
}
const GrFixedClip& GrFixedClip::Disabled() {
static const GrFixedClip disabled = GrFixedClip();
return disabled;
}
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