Support stream textures with the synchronous compositor

gpu/command_buffer/client/gl_in_process_context.cc

 // 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.
 
 #include "gpu/command_buffer/client/gl_in_process_context.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 12 matching lines @@
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/transfer_buffer.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/command_buffer/service/in_process_command_buffer.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_image.h"
 
+#if defined(OS_ANDROID)
+#include "ui/gl/android/surface_texture_bridge.h"
+#endif
+
 namespace gpu {
 
 namespace {
 
 const int32 kCommandBufferSize = 1024 * 1024;
 // TODO(kbr): make the transfer buffer size configurable via context
 // creation attributes.
 const size_t kStartTransferBufferSize = 4 * 1024 * 1024;
 const size_t kMinTransferBufferSize = 1 * 256 * 1024;
 const size_t kMaxTransferBufferSize = 16 * 1024 * 1024;
@@ skipping 15 matching lines @@
                   gfx::GpuPreference gpu_preference);
 
   // GLInProcessContext implementation:
   virtual void SetContextLostCallback(const base::Closure& callback) OVERRIDE;
   virtual void SignalSyncPoint(unsigned sync_point,
                                const base::Closure& callback) OVERRIDE;
   virtual void SignalQuery(unsigned query, const base::Closure& callback)
       OVERRIDE;
   virtual gles2::GLES2Implementation* GetImplementation() OVERRIDE;
 
+#if defined(OS_ANDROID)
+  virtual scoped_refptr<gfx::SurfaceTextureBridge> GetSurfaceTexture(
+      uint32 stream_id) OVERRIDE;
+#endif
+
  private:
   void Destroy();
   void PollQueryCallbacks();
   void CallQueryCallback(size_t index);
   void OnContextLost();
   void OnSignalSyncPoint(const base::Closure& callback);
 
   scoped_ptr<gles2::GLES2CmdHelper> gles2_helper_;
   scoped_ptr<TransferBuffer> transfer_buffer_;
   scoped_ptr<gles2::GLES2Implementation> gles2_implementation_;
@@ skipping 248 matching lines @@
 void GLInProcessContextImpl::SignalQuery(
     unsigned query,
     const base::Closure& callback) {
   query_callbacks_.push_back(std::make_pair(query, callback));
   // If size > 1, there is already a poll callback pending.
   if (query_callbacks_.size() == 1) {
     PollQueryCallbacks();
   }
 }
 
+#if defined(OS_ANDROID)
+scoped_refptr<gfx::SurfaceTextureBridge>
+GLInProcessContextImpl::GetSurfaceTexture(uint32 stream_id) {
+  return command_buffer_->GetSurfaceTexture(stream_id);
+}
+#endif
+
 }  // anonymous namespace
 
 GLInProcessContextAttribs::GLInProcessContextAttribs()
     : alpha_size(-1),
       blue_size(-1),
       green_size(-1),
       red_size(-1),
       depth_size(-1),
       stencil_size(-1),
       samples(-1),
@@ skipping 41 matching lines @@
       surface->GetSize(),
       allowed_extensions,
       attribs,
       gpu_preference))
     return NULL;
 
   return context.release();
 }
 
 }  // namespace gpu