gpu: Add support for GLX_EXT_texture_from_pixmap extension.

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 555 matching lines @@
   virtual void getQueryObjectuivEXT(
       WebGLId query, WGC3Denum pname, WGC3Duint* params);
 
   virtual void copyTextureCHROMIUM(WGC3Denum target, WebGLId source_id,
                                    WebGLId dest_id, WGC3Dint level,
                                    WGC3Denum internal_format);
 
   virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location,
                                            const WGC3Dchar* uniform);
 
+  virtual void texImagePixmap2DCHROMIUM(WGC3Denum target, WGC3Duint pixmapId);

[apatrick_chromium, 2012/10/11 23:09:57]

Nit: this file is Chrome style so pixmapId -> pixmap_id. There are some other
places as well.

[reveman, 2012/10/12 03:29:11]

Fixed.

+
  protected:
   virtual GrGLInterface* onCreateGrGLInterface();
 
  private:
   // These are the same error codes as used by EGL.
   enum Error {
     SUCCESS               = 0x3000,
     BAD_ATTRIBUTE         = 0x3004,
     CONTEXT_LOST          = 0x300E
   };
@@ skipping 114 matching lines @@
   CommandBufferProxy* command_buffer_;
   gpu::gles2::GLES2CmdHelper* gles2_helper_;
   gpu::TransferBuffer* transfer_buffer_;
   gpu::gles2::GLES2Implementation* gl_;
   Error last_error_;
   int frame_number_;
   bool bind_generates_resources_;
 };
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_