86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
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/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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// This is a GR test
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#if SK_SUPPORT_GPU
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#include "GrClipMaskManager.h"
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#include "GrContextFactory.h"
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#include "SkGpuDevice.h"
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// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
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// to the render target
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static void test_clip_bounds(skiatest::Reporter* reporter, GrContext* context) {
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static const int kXSize = 100;
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static const int kYSize = 100;
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GrSurfaceDesc desc;
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desc.fFlags = kRenderTarget_GrSurfaceFlag;
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desc.fConfig = kAlpha_8_GrPixelConfig;
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desc.fWidth = kXSize;
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desc.fHeight = kYSize;
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SkAutoTUnref<GrTexture> texture(
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context->textureProvider()->createTexture(desc, false, nullptr, 0));
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if (!texture) {
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return;
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}
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SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
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SkRect screen = SkRect::Make(intScreen);
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SkRect clipRect(screen);
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clipRect.outset(10, 10);
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// create a clip stack that will (trivially) reduce to a single rect that
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// is larger than the screen
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SkClipStack stack;
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stack.clipDevRect(clipRect, SkRegion::kReplace_Op, false);
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bool isIntersectionOfRects = true;
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SkRect devStackBounds;
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stack.getConservativeBounds(0, 0, kXSize, kYSize,
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&devStackBounds,
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&isIntersectionOfRects);
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// make sure that the SkClipStack is behaving itself
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REPORTER_ASSERT(reporter, screen == devStackBounds);
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REPORTER_ASSERT(reporter, isIntersectionOfRects);
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// wrap the SkClipStack in a GrClip
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GrClip clipData;
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clipData.setClipStack(&stack);
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SkIRect devGrClipBound;
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clipData.getConservativeBounds(texture,
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&devGrClipBound,
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&isIntersectionOfRects);
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// make sure that GrClip is behaving itself
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REPORTER_ASSERT(reporter, intScreen == devGrClipBound);
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REPORTER_ASSERT(reporter, isIntersectionOfRects);
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}
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DEF_GPUTEST(GrClipBounds, reporter, factory) {
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for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
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GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
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if (!GrContextFactory::IsRenderingGLContext(glType)) {
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continue;
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}
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GrContext* context = factory->get(glType);
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if (nullptr == context) {
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continue;
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}
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test_clip_bounds(reporter, context);
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}
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}
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#endif
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