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Side by Side Diff: ui/gfx/surface/transport_dib.h

Issue 7645004: Add gl.dll, compositor.dll, and surface.dll. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 4 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_GFX_SURFACE_TRANSPORT_DIB_H_ 5 #ifndef UI_GFX_SURFACE_TRANSPORT_DIB_H_
6 #define UI_GFX_SURFACE_TRANSPORT_DIB_H_ 6 #define UI_GFX_SURFACE_TRANSPORT_DIB_H_
7 #pragma once 7 #pragma once
8 8
9 #include "base/basictypes.h" 9 #include "base/basictypes.h"
10 #include "ui/gfx/surface/surface_export.h"
10 11
11 #if defined(OS_WIN) || defined(OS_MACOSX) 12 #if defined(OS_WIN) || defined(OS_MACOSX)
12 #include "base/shared_memory.h" 13 #include "base/shared_memory.h"
13 #endif 14 #endif
14 15
15 #if defined(OS_WIN) 16 #if defined(OS_WIN)
16 #include <windows.h> 17 #include <windows.h>
17 #elif defined(USE_X11) 18 #elif defined(USE_X11)
18 #include "ui/base/x/x11_util.h" 19 #include "ui/base/x/x11_util.h"
19 #endif 20 #endif
20 21
21 namespace skia { 22 namespace skia {
22 class PlatformCanvas; 23 class PlatformCanvas;
23 } 24 }
24 25
25 // ----------------------------------------------------------------------------- 26 // -----------------------------------------------------------------------------
26 // A TransportDIB is a block of memory that is used to transport pixels 27 // A TransportDIB is a block of memory that is used to transport pixels
27 // between processes: from the renderer process to the browser, and 28 // between processes: from the renderer process to the browser, and
28 // between renderer and plugin processes. 29 // between renderer and plugin processes.
29 // ----------------------------------------------------------------------------- 30 // -----------------------------------------------------------------------------
30 class TransportDIB { 31 class SURFACE_EXPORT TransportDIB {
31 public: 32 public:
32 ~TransportDIB(); 33 ~TransportDIB();
33 34
34 // Two typedefs are defined. A Handle is the type which can be sent over 35 // Two typedefs are defined. A Handle is the type which can be sent over
35 // the wire so that the remote side can map the transport DIB. The Id typedef 36 // the wire so that the remote side can map the transport DIB. The Id typedef
36 // is sufficient to identify the transport DIB when you know that the remote 37 // is sufficient to identify the transport DIB when you know that the remote
37 // side already may have it mapped. 38 // side already may have it mapped.
38 #if defined(OS_WIN) 39 #if defined(OS_WIN)
39 typedef HANDLE Handle; 40 typedef HANDLE Handle;
40 // On Windows, the Id type includes a sequence number (epoch) to solve an ABA 41 // On Windows, the Id type includes a sequence number (epoch) to solve an ABA
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193 void* address_; // mapped address 194 void* address_; // mapped address
194 XSharedMemoryId x_shm_; // X id for the shared segment 195 XSharedMemoryId x_shm_; // X id for the shared segment
195 Display* display_; // connection to the X server 196 Display* display_; // connection to the X server
196 #endif 197 #endif
197 size_t size_; // length, in bytes 198 size_t size_; // length, in bytes
198 199
199 DISALLOW_COPY_AND_ASSIGN(TransportDIB); 200 DISALLOW_COPY_AND_ASSIGN(TransportDIB);
200 }; 201 };
201 202
202 #endif // UI_GFX_SURFACE_TRANSPORT_DIB_H_ 203 #endif // UI_GFX_SURFACE_TRANSPORT_DIB_H_
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