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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.
*/
#include "Test.h"
// This is a GR test
#if SK_SUPPORT_GPU
#include "GrClipMaskManager.h"
#include "GrContext.h"
// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
// to the render target
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrClipBounds, reporter, context) {
static const int kXSize = 100;
static const int kYSize = 100;
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fConfig = kAlpha_8_GrPixelConfig;
desc.fWidth = kXSize;
desc.fHeight = kYSize;
SkAutoTUnref<GrTexture> texture(
context->textureProvider()->createTexture(desc, false, nullptr, 0));
if (!texture) {
return;
}
SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
SkRect screen = SkRect::Make(intScreen);
SkRect clipRect(screen);
clipRect.outset(10, 10);
// create a clip stack that will (trivially) reduce to a single rect that
// is larger than the screen
SkClipStack stack;
stack.clipDevRect(clipRect, SkRegion::kReplace_Op, false);
bool isIntersectionOfRects = true;
SkRect devStackBounds;
stack.getConservativeBounds(0, 0, kXSize, kYSize,
&devStackBounds,
&isIntersectionOfRects);
// make sure that the SkClipStack is behaving itself
REPORTER_ASSERT(reporter, screen == devStackBounds);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
// wrap the SkClipStack in a GrClip
GrClip clipData;
clipData.setClipStack(&stack);
SkIRect devGrClipBound;
clipData.getConservativeBounds(texture->width(), texture->height(),
&devGrClipBound,
&isIntersectionOfRects);
// make sure that GrClip is behaving itself
REPORTER_ASSERT(reporter, intScreen == devGrClipBound);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
}
#endif
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