Enable GL_CHROMIUM_post_sub_buffer for osmesa

ui/base/x/x11_util.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_BASE_X_X11_UTIL_H_
 #define UI_BASE_X_X11_UTIL_H_
 #pragma once
 
 // This file declares utility functions for X11 (Linux only).
 //
@@ skipping 160 matching lines @@
 UI_EXPORT void DetachSharedMemory(Display* display, XSharedMemoryId shmseg);
 
 // Return a handle to an XRender picture where |pixmap| is a handle to a
 // pixmap containing Skia ARGB data.
 UI_EXPORT XID CreatePictureFromSkiaPixmap(Display* display, XID pixmap);
 
 // Draws ARGB data on the given pixmap using the given GC, converting to the
 // server side visual depth as needed.  Destination is assumed to be the same
 // dimensions as |data| or larger.  |data| is also assumed to be in row order
 // with each line being exactly |width| * 4 bytes long.
-UI_EXPORT void PutARGBImage(Display* display, void* visual, int depth,
-                            XID pixmap, void* pixmap_gc, const uint8* data,
+UI_EXPORT void PutARGBImage(Display* display,
+                            void* visual, int depth,
+                            XID pixmap, void* pixmap_gc,
+                            const uint8* data,
                             int width, int height);
 
+// Same as above only more general:
+// - |data_width| and |data_height| refer to the data image
+// - |src_x|, |src_y|, |copy_width| and |copy_height| define source region
+// - |dst_x|, |dst_y|, |copy_width| and |copy_height| define destination region
+UI_EXPORT void PutARGBImage(Display* display,
+                            void* visual, int depth,
+                            XID pixmap, void* pixmap_gc,
+                            const uint8* data,
+                            int data_width, int data_height,
+                            int src_x, int src_y,
+                            int dst_x, int dst_y,
+                            int copy_width, int copy_height);
+
 void FreePicture(Display* display, XID picture);
 void FreePixmap(Display* display, XID pixmap);
 
 enum WindowManagerName {
   WM_UNKNOWN,
   WM_BLACKBOX,
   WM_CHROME_OS,
   WM_COMPIZ,
   WM_ENLIGHTENMENT,
   WM_ICE_WM,
@@ skipping 14 matching lines @@
 // the process if called. Use SetX11ErrorHandlers() from x11_util_internal.h
 // to set your own error handlers.
 UI_EXPORT void SetDefaultX11ErrorHandlers();
 
 // Return true if a given window is in full-screen mode.
 UI_EXPORT bool IsX11WindowFullScreen(XID window);
 
 }  // namespace ui
 
 #endif  // UI_BASE_X_X11_UTIL_H_