Imported WebKit commit 7e538425aa020340619e927792f3d895061fb54b (http://svn.webkit.org/repository/webkit/trunk@116286)

1 files changed, 85 insertions, 0 deletions

diff --git a/Source/WebKit/chromium/tests/TextureCopierTest.cpp b/Source/WebKit/chromium/tests/TextureCopierTest.cpp
new file mode 100644
index 000000000..17173c0a5
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+++ b/Source/WebKit/chromium/tests/TextureCopierTest.cpp
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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 "GraphicsContext3DPrivate.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::_;
+
+namespace {
+
+class MockContext : public FakeWebGraphicsContext3D {
+public:
+    MOCK_METHOD2(bindFramebuffer, void(WGC3Denum, WebGLId));
+    MOCK_METHOD3(texParameteri, void(GC3Denum target, GC3Denum pname, GC3Dint param));
+
+    MOCK_METHOD3(drawArrays, void(GC3Denum mode, GC3Dint first, GC3Dsizei count));
+};
+
+TEST(TextureCopierTest, testDrawArraysCopy)
+{
+    GraphicsContext3D::Attributes attrs;
+    RefPtr<GraphicsContext3D> context = GraphicsContext3DPrivate::createGraphicsContextFromWebContext(adoptPtr(new MockContext()), GraphicsContext3D::RenderDirectlyToHostWindow);
+    MockContext& mockContext = *static_cast<MockContext*>(GraphicsContext3DPrivate::extractWebGraphicsContext3D(context.get()));
+
+    {
+        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(context));
+    copier->copyTexture(context.get(), sourceTextureId, destTextureId, size);
+}
+
+} // namespace