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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 "TextureCopier.h"
#include "FakeWebGraphicsContext3D.h"
#include "GraphicsContext3D.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <wtf/RefPtr.h>
using namespace WebCore;
using namespace WebKit;
using testing::InSequence;
using testing::Test;
using testing::_;
class MockContext : public FakeWebGraphicsContext3D {
public:
MOCK_METHOD2(bindFramebuffer, void(WGC3Denum, WebGLId));
MOCK_METHOD3(texParameteri, void(WGC3Denum target, WGC3Denum pname, WGC3Dint param));
MOCK_METHOD3(drawArrays, void(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count));
};
TEST(TextureCopierTest, testDrawArraysCopy)
{
OwnPtr<MockContext> mockContext = adoptPtr(new MockContext);
{
InSequence sequence;
// Here we check just some essential properties of copyTexture() to avoid mirroring the full implementation.
EXPECT_CALL(*mockContext, bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, _));
// Make sure linear filtering is disabled during the copy.
EXPECT_CALL(*mockContext, texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MIN_FILTER, GraphicsContext3D::NEAREST));
EXPECT_CALL(*mockContext, texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MAG_FILTER, GraphicsContext3D::NEAREST));
EXPECT_CALL(*mockContext, drawArrays(_, _, _));
// Linear filtering should be restored.
EXPECT_CALL(*mockContext, texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MIN_FILTER, GraphicsContext3D::LINEAR));
EXPECT_CALL(*mockContext, texParameteri(GraphicsContext3D::TEXTURE_2D, GraphicsContext3D::TEXTURE_MAG_FILTER, GraphicsContext3D::LINEAR));
// Default framebuffer should be restored
EXPECT_CALL(*mockContext, bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, 0));
}
int sourceTextureId = 1;
int destTextureId = 2;
IntSize size(256, 128);
OwnPtr<AcceleratedTextureCopier> copier(AcceleratedTextureCopier::create(mockContext.get(), false));
TextureCopier::Parameters copy = { sourceTextureId, destTextureId, size };
copier->copyTexture(copy);
}
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