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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "cc/throttled_texture_uploader.h"
#include "CCPrioritizedTexture.h"
#include "cc/test/fake_web_graphics_context_3d.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/khronos/GLES2/gl2ext.h"
using namespace cc;
using namespace WebKit;
namespace {
class FakeWebGraphicsContext3DWithQueryTesting : public FakeWebGraphicsContext3D {
public:
FakeWebGraphicsContext3DWithQueryTesting() : m_resultAvailable(0)
{
}
virtual void getQueryObjectuivEXT(WebGLId, WGC3Denum type, WGC3Duint* value)
{
switch (type) {
case GL_QUERY_RESULT_AVAILABLE_EXT:
*value = m_resultAvailable;
break;
default:
*value = 0;
break;
}
}
void setResultAvailable(unsigned resultAvailable) { m_resultAvailable = resultAvailable; }
private:
unsigned m_resultAvailable;
};
void uploadTexture(
ThrottledTextureUploader* uploader, CCPrioritizedTexture* texture)
{
uploader->uploadTexture(NULL,
texture,
NULL,
IntRect(IntPoint(0,0), texture->size()),
IntRect(IntPoint(0,0), texture->size()),
IntSize());
}
TEST(ThrottledTextureUploaderTest, NumBlockingUploads)
{
scoped_ptr<FakeWebGraphicsContext3DWithQueryTesting> fakeContext(new FakeWebGraphicsContext3DWithQueryTesting);
scoped_ptr<ThrottledTextureUploader> uploader = ThrottledTextureUploader::create(fakeContext.get());
scoped_ptr<CCPrioritizedTexture> texture =
CCPrioritizedTexture::create(NULL, IntSize(256, 256), GL_RGBA);
fakeContext->setResultAvailable(0);
EXPECT_EQ(0, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
EXPECT_EQ(1, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
EXPECT_EQ(2, uploader->numBlockingUploads());
fakeContext->setResultAvailable(1);
EXPECT_EQ(0, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
EXPECT_EQ(0, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
uploadTexture(uploader.get(), texture.get());
EXPECT_EQ(0, uploader->numBlockingUploads());
}
TEST(ThrottledTextureUploaderTest, MarkPendingUploadsAsNonBlocking)
{
scoped_ptr<FakeWebGraphicsContext3DWithQueryTesting> fakeContext(new FakeWebGraphicsContext3DWithQueryTesting);
scoped_ptr<ThrottledTextureUploader> uploader = ThrottledTextureUploader::create(fakeContext.get());
scoped_ptr<CCPrioritizedTexture> texture =
CCPrioritizedTexture::create(NULL, IntSize(256, 256), GL_RGBA);
fakeContext->setResultAvailable(0);
EXPECT_EQ(0, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
uploadTexture(uploader.get(), texture.get());
EXPECT_EQ(2, uploader->numBlockingUploads());
uploader->markPendingUploadsAsNonBlocking();
EXPECT_EQ(0, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
EXPECT_EQ(1, uploader->numBlockingUploads());
fakeContext->setResultAvailable(1);
EXPECT_EQ(0, uploader->numBlockingUploads());
uploadTexture(uploader.get(), texture.get());
uploader->markPendingUploadsAsNonBlocking();
EXPECT_EQ(0, uploader->numBlockingUploads());
}
} // namespace
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