GPU: Buld most of the gpu as a single DLL.

gpu/command_buffer/client/gles2_implementation.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 GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 
 #include <GLES2/gl2.h>
 
 #include <map>
 #include <queue>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "../common/gles2_cmd_utils.h"
 #include "../common/scoped_ptr.h"
 #include "../client/gles2_cmd_helper.h"
 #include "../client/ring_buffer.h"
+#include "gles2_impl_export.h"
 
 #if !defined(NDEBUG) && !defined(__native_client__) && !defined(GLES2_CONFORMANCE_TESTS)  // NOLINT
   #if defined(GLES2_INLINE_OPTIMIZATION)
     // TODO(gman): Replace with macros that work with inline optmization.
     #define GPU_CLIENT_SINGLE_THREAD_CHECK()
     #define GPU_CLIENT_LOG(args)
     #define GPU_CLIENT_LOG_CODE_BLOCK(code)
     #define GPU_CLIENT_DCHECK_CODE_BLOCK(code)
   #else
     #include "base/logging.h"
@@ skipping 67 matching lines @@
   // Marks an id as used for glBind functions. id = 0 does nothing.
   virtual bool MarkAsUsedForBind(GLuint id) = 0;
 };
 
 // This class emulates GLES2 over command buffers. It can be used by a client
 // program so that the program does not need deal with shared memory and command
 // buffer management. See gl2_lib.h.  Note that there is a performance gain to
 // be had by changing your code to use command buffers directly by using the
 // GLES2CmdHelper but that entails changing your code to use and deal with
 // shared memory and synchronization issues.
-class GLES2Implementation {
+class GLES2_IMPL_EXPORT GLES2Implementation {
  public:
   // Stores client side cached GL state.
   struct GLState {
     GLState()
         : max_combined_texture_image_units(0),
           max_cube_map_texture_size(0),
           max_fragment_uniform_vectors(0),
           max_renderbuffer_size(0),
           max_texture_image_units(0),
           max_texture_size(0),
@@ skipping 430 matching lines @@
 
 inline bool GLES2Implementation::GetTexParameterivHelper(
     GLenum /* target */, GLenum /* pname */, GLint* /* params */) {
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_