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// Copyright (c) 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 "content/common/gpu/image_transport_surface.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/win/windows_version.h"
#include "content/common/gpu/child_window_surface_win.h"
#include "content/common/gpu/gpu_messages.h"
#include "content/public/common/content_switches.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_surface_egl.h"
#include "ui/gl/vsync_provider_win.h"
namespace content {
// static
scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateNativeSurface(
GpuChannelManager* manager,
GpuCommandBufferStub* stub,
const gfx::GLSurfaceHandle& handle,
gfx::GLSurface::Format format) {
DCHECK(handle.handle);
DCHECK_EQ(handle.transport_type, gfx::NATIVE_DIRECT);
scoped_refptr<gfx::GLSurface> surface;
if (gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2 &&
gfx::GLSurfaceEGL::IsDirectCompositionSupported()) {
scoped_refptr<ChildWindowSurfaceWin> egl_surface(
new ChildWindowSurfaceWin(manager, handle.handle));
surface = egl_surface;
// TODO(jbauman): Get frame statistics from DirectComposition
scoped_ptr<gfx::VSyncProvider> vsync_provider(
new gfx::VSyncProviderWin(handle.handle));
if (!egl_surface->Initialize(std::move(vsync_provider)))
return nullptr;
} else {
surface = gfx::GLSurface::CreateViewGLSurface(handle.handle);
if (!surface)
return nullptr;
}
return scoped_refptr<gfx::GLSurface>(new PassThroughImageTransportSurface(
manager, stub, surface.get()));
}
} // namespace content
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