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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 "GrContextFactory.h"
#include "SkGpuDevice.h"
// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
// to the render target
static void test_clip_bounds(skiatest::Reporter* reporter, GrContext* 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,
&devGrClipBound,
&isIntersectionOfRects);
// make sure that GrClip is behaving itself
REPORTER_ASSERT(reporter, intScreen == devGrClipBound);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
}
DEF_GPUTEST(GrClipBounds, reporter, factory) {
for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
if (!GrContextFactory::IsRenderingGLContext(glType)) {
continue;
}
GrContext* context = factory->get(glType);
if (nullptr == context) {
continue;
}
test_clip_bounds(reporter, context);
}
}
#endif
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