Implement proxy for 3d-related interfaces

ppapi/proxy/ppb_context_3d_proxy.h

+// Copyright (c) 2010 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 PPAPI_PPB_CONTEXT_3D_PROXY_H_
+#define PPAPI_PPB_CONTEXT_3D_PROXY_H_
+
+#include <vector>
+
+#include "base/shared_memory.h"
+#include "gpu/command_buffer/common/command_buffer.h"
+#include "ppapi/c/dev/pp_graphics_3d_dev.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/plugin_resource.h"
+#include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
+
+struct PPB_Context3D_Dev;
+struct PPB_Context3DTrusted_Dev;
+
+namespace gpu {
+class CommandBuffer;
+
+namespace gles2 {
+class GLES2CmdHelper;
+class GLES2Implementation;
+}  // namespace gles2
+
+}  // namespace gpu
+
+namespace pp {
+namespace proxy {
+
+class Surface3D;
+
+class Context3D : public PluginResource {
+ public:
+  explicit Context3D(const HostResource& resource);
+  virtual ~Context3D();
+
+  // Resource overrides.
+  virtual Context3D* AsContext3D() { return this; }
+
+  bool CreateImplementation();
+
+  Surface3D* get_draw_surface() const {
+    return draw_;
+  }
+
+  Surface3D* get_read_surface() const {
+    return read_;
+  }
+
+  void BindSurfaces(Surface3D* draw, Surface3D* read);
+
+  gpu::gles2::GLES2Implementation* gles2_impl() const {
+    return gles2_impl_.get();
+  }
+
+ private:
+  Surface3D* draw_;
+  Surface3D* read_;
+
+  scoped_ptr<gpu::CommandBuffer> command_buffer_;
+  scoped_ptr<gpu::gles2::GLES2CmdHelper> helper_;
+  int32 transfer_buffer_id_;
+  scoped_ptr<gpu::gles2::GLES2Implementation> gles2_impl_;
+
+  DISALLOW_COPY_AND_ASSIGN(Context3D);
+};
+
+class PPB_Context3D_Proxy : public InterfaceProxy {
+ public:
+  PPB_Context3D_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  virtual ~PPB_Context3D_Proxy();
+
+  const PPB_Context3D_Dev* ppb_context_3d_target() const {
+    return reinterpret_cast<const PPB_Context3D_Dev*>(target_interface());
+  }
+  const PPB_Context3DTrusted_Dev* ppb_context_3d_trusted() const;
+
+  // InterfaceProxy implementation.
+  virtual const void* GetSourceInterface() const;
+  virtual InterfaceID GetInterfaceId() const;
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  void OnMsgCreate(PP_Instance instance,
+                   PP_Config3D_Dev config,
+                   std::vector<int32_t> attribs,
+                   HostResource* result);
+  void OnMsgBindSurfaces(const HostResource& context,
+                         const HostResource& draw,
+                         const HostResource& read,
+                         int32_t* result);
+  void OnMsgInitialize(const HostResource& context,
+                       int32 size,
+                       base::SharedMemoryHandle* ring_buffer);
+  void OnMsgGetState(const HostResource& context,
+                     gpu::CommandBuffer::State* state);
+  void OnMsgFlush(const HostResource& context,
+                  int32 put_offset,
+                  gpu::CommandBuffer::State* state);
+  void OnMsgAsyncFlush(const HostResource& context,
+                       int32 put_offset);
+  void OnMsgCreateTransferBuffer(const HostResource& context,
+                                 int32 size,
+                                 int32* id);
+  void OnMsgDestroyTransferBuffer(const HostResource& context,
+                                  int32 id);
+  void OnMsgGetTransferBuffer(const HostResource& context,
+                              int32 id,
+                              base::SharedMemoryHandle* transfer_buffer,
+                              uint32* size);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PPB_CONTEXT_3D_PROXY_H_