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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "cc/CCRenderSurface.h"
#include "cc/CCLayerImpl.h"
#include "cc/CCSharedQuadState.h"
#include "cc/CCSingleThreadProxy.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <public/WebTransformationMatrix.h>
using namespace WebCore;
using WebKit::WebTransformationMatrix;
namespace {
#define EXECUTE_AND_VERIFY_SURFACE_CHANGED(codeToTest) \
renderSurface->resetPropertyChangedFlag(); \
codeToTest; \
EXPECT_TRUE(renderSurface->surfacePropertyChanged())
#define EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(codeToTest) \
renderSurface->resetPropertyChangedFlag(); \
codeToTest; \
EXPECT_FALSE(renderSurface->surfacePropertyChanged())
TEST(CCRenderSurfaceTest, verifySurfaceChangesAreTrackedProperly)
{
//
// This test checks that surfacePropertyChanged() has the correct behavior.
//
// This will fake that we are on the correct thread for testing purposes.
DebugScopedSetImplThread setImplThread;
OwnPtr<CCLayerImpl> owningLayer = CCLayerImpl::create(1);
owningLayer->createRenderSurface();
ASSERT_TRUE(owningLayer->renderSurface());
CCRenderSurface* renderSurface = owningLayer->renderSurface();
IntRect testRect = IntRect(IntPoint(3, 4), IntSize(5, 6));
owningLayer->resetAllChangeTrackingForSubtree();
// Currently, the contentRect, clipRect, and owningLayer->layerPropertyChanged() are
// the only sources of change.
EXECUTE_AND_VERIFY_SURFACE_CHANGED(renderSurface->setClipRect(testRect));
EXECUTE_AND_VERIFY_SURFACE_CHANGED(renderSurface->setContentRect(testRect));
owningLayer->setOpacity(0.5f);
EXPECT_TRUE(renderSurface->surfacePropertyChanged());
owningLayer->resetAllChangeTrackingForSubtree();
// Setting the surface properties to the same values again should not be considered "change".
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(renderSurface->setClipRect(testRect));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(renderSurface->setContentRect(testRect));
OwnPtr<CCLayerImpl> dummyMask = CCLayerImpl::create(1);
WebTransformationMatrix dummyMatrix;
dummyMatrix.translate(1.0, 2.0);
// The rest of the surface properties are either internal and should not cause change,
// or they are already accounted for by the owninglayer->layerPropertyChanged().
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(renderSurface->setDrawOpacity(0.5));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(renderSurface->setDrawTransform(dummyMatrix));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(renderSurface->setReplicaDrawTransform(dummyMatrix));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(renderSurface->clearLayerList());
}
TEST(CCRenderSurfaceTest, sanityCheckSurfaceCreatesCorrectSharedQuadState)
{
// This will fake that we are on the correct thread for testing purposes.
DebugScopedSetImplThread setImplThread;
OwnPtr<CCLayerImpl> owningLayer = CCLayerImpl::create(1);
owningLayer->createRenderSurface();
ASSERT_TRUE(owningLayer->renderSurface());
CCRenderSurface* renderSurface = owningLayer->renderSurface();
IntRect contentRect = IntRect(IntPoint::zero(), IntSize(50, 50));
IntRect clipRect = IntRect(IntPoint(5, 5), IntSize(40, 40));
WebTransformationMatrix origin;
origin.translate(30, 40);
renderSurface->setDrawTransform(origin);
renderSurface->setContentRect(contentRect);
renderSurface->setClipRect(clipRect);
renderSurface->setScissorRect(clipRect);
renderSurface->setDrawOpacity(1);
OwnPtr<CCSharedQuadState> sharedQuadState = renderSurface->createSharedQuadState(0);
EXPECT_EQ(30, sharedQuadState->quadTransform.m41());
EXPECT_EQ(40, sharedQuadState->quadTransform.m42());
EXPECT_EQ(contentRect, IntRect(sharedQuadState->visibleContentRect));
EXPECT_EQ(clipRect, IntRect(sharedQuadState->scissorRect));
EXPECT_EQ(1, sharedQuadState->opacity);
EXPECT_FALSE(sharedQuadState->opaque);
}
} // namespace
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