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-rw-r--r--ui/surface/d3d9_utils_win.h87
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diff --git a/ui/surface/d3d9_utils_win.h b/ui/surface/d3d9_utils_win.h
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--- a/ui/surface/d3d9_utils_win.h
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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.
-
-// Helper functions that Direct3D 9Ex code a little easier to work with for
-// the ui/surface code.
-
-#ifndef UI_SURFACE_D3D9_UTILS_WIN_H_
-#define UI_SURFACE_D3D9_UTILS_WIN_H_
-
-#include <d3d9.h>
-
-#include "base/basictypes.h"
-#include "base/win/scoped_comptr.h"
-#include "ui/surface/surface_export.h"
-
-namespace base {
-class ScopedNativeLibrary;
-}
-
-namespace gfx {
-class Size;
-}
-
-namespace ui_surface_d3d9_utils {
-
-// Visible for testing. Loads the Direct3D9 library. Returns true on success.
-SURFACE_EXPORT
-bool LoadD3D9(base::ScopedNativeLibrary* storage);
-
-// Visible for testing. Creates a Direct3D9 device suitable for use with the
-// accelerated surface code. Returns true on success.
-SURFACE_EXPORT
-bool CreateDevice(const base::ScopedNativeLibrary& d3d_module,
- uint64 adapter_luid,
- D3DDEVTYPE device_type,
- uint32 presentation_interval,
- IDirect3DDevice9Ex** device);
-
-// Calls the Vista+ (WDDM1.0) variant of CreateTexture that semantically opens a
-// texture allocated as shared. In this way textures allocated by another
-// process can be used by a D3D context in this process. The shared texture is
-// identified by its surface handle. The resulting texture is written into
-// |opened_texture|.
-//
-// Returns true on success.
-SURFACE_EXPORT
-bool OpenSharedTexture(IDirect3DDevice9* device,
- int64 surface_handle,
- const gfx::Size& size,
- IDirect3DTexture9** opened_texture);
-
-// Ensures that |surface| is a lockable surface of a specified |size|. If
-// |*surface| is non-null and has dimensions that match |size|, it is reused.
-// Otherwise, a new resource is created and the old one (if any) is freed.
-//
-// Returns true on success.
-SURFACE_EXPORT
-bool CreateOrReuseLockableSurface(
- IDirect3DDevice9* device,
- const gfx::Size& size,
- base::win::ScopedComPtr<IDirect3DSurface9>* surface);
-
-// Ensures that |texture| is a render target texture of a specified |size|. If
-// |*texture| is non-null and has dimensions that match |size|, it is reused.
-// Otherwise, a new resource is created and the old one (if any) is freed.
-//
-// A reference to level 0 of the resulting texture is placed into
-// |render_target|.
-//
-// Returns true on success.
-SURFACE_EXPORT
-bool CreateOrReuseRenderTargetTexture(
- IDirect3DDevice9* device,
- const gfx::Size& size,
- base::win::ScopedComPtr<IDirect3DTexture9>* texture,
- IDirect3DSurface9** render_target);
-
-SURFACE_EXPORT
-gfx::Size GetSize(IDirect3DTexture9* texture);
-
-SURFACE_EXPORT
-gfx::Size GetSize(IDirect3DSurface9* surface);
-
-} // namespace ui_surface_d3d9_utils
-
-#endif // UI_SURFACE_D3D9_UTILS_WIN_H_