Index: ppapi/shared_impl/graphics_3d_impl.cc |
=================================================================== |
--- ppapi/shared_impl/graphics_3d_impl.cc (revision 0) |
+++ ppapi/shared_impl/graphics_3d_impl.cc (revision 0) |
@@ -0,0 +1,104 @@ |
+// 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. |
+ |
+#include "ppapi/shared_impl/graphics_3d_impl.h" |
+ |
+#include "gpu/command_buffer/client/gles2_cmd_helper.h" |
+#include "gpu/command_buffer/client/gles2_implementation.h" |
+#include "ppapi/c/pp_errors.h" |
+ |
+namespace ppapi { |
+ |
+Graphics3DImpl::Graphics3DImpl() |
+ : transfer_buffer_id_(-1), |
+ swap_callback_(PP_BlockUntilComplete()) { |
+} |
+ |
+Graphics3DImpl::~Graphics3DImpl() { |
+ // Make sure that GLES2 implementation has already been destroyed. |
+ DCHECK_EQ(transfer_buffer_id_, -1); |
+ DCHECK(!gles2_helper_.get()); |
+ DCHECK(!gles2_impl_.get()); |
+} |
+ |
+int32_t Graphics3DImpl::GetAttribs(int32_t* attrib_list) { |
+ // TODO(alokp): Implement me. |
+ return PP_ERROR_FAILED; |
+} |
+ |
+int32_t Graphics3DImpl::SetAttribs(int32_t* attrib_list) { |
+ // TODO(alokp): Implement me. |
+ return PP_ERROR_FAILED; |
+} |
+ |
+int32_t Graphics3DImpl::SwapBuffers(PP_CompletionCallback callback) { |
+ if (!callback.func) { |
+ // Blocking SwapBuffers isn't supported (since we have to be on the main |
+ // thread). |
+ return PP_ERROR_BADARGUMENT; |
+ } |
+ |
+ if (HasPendingSwap()) { |
+ // Already a pending SwapBuffers that hasn't returned yet. |
+ return PP_ERROR_INPROGRESS; |
+ } |
+ |
+ swap_callback_ = callback; |
+ return DoSwapBuffers(); |
+} |
+ |
+void Graphics3DImpl::SwapBuffersACK(int32_t pp_error) { |
+ DCHECK(HasPendingSwap()); |
+ PP_RunAndClearCompletionCallback(&swap_callback_, pp_error); |
+} |
+ |
+bool Graphics3DImpl::CreateGLES2Impl(int32 command_buffer_size, |
+ int32 transfer_buffer_size) { |
+ gpu::CommandBuffer* command_buffer = GetCommandBuffer(); |
+ DCHECK(command_buffer); |
+ |
+ // Create the GLES2 helper, which writes the command buffer protocol. |
+ gles2_helper_.reset(new gpu::gles2::GLES2CmdHelper(command_buffer)); |
+ if (!gles2_helper_->Initialize(command_buffer_size)) |
+ return false; |
+ |
+ // Create a transfer buffer used to copy resources between the renderer |
+ // process and the GPU process. |
+ transfer_buffer_id_ = |
+ command_buffer->CreateTransferBuffer(transfer_buffer_size, -1); |
+ if (transfer_buffer_id_ < 0) |
+ return false; |
+ |
+ // Map the buffer into the renderer process's address space. |
+ gpu::Buffer transfer_buffer = |
+ command_buffer->GetTransferBuffer(transfer_buffer_id_); |
+ if (!transfer_buffer.ptr) |
+ return false; |
+ |
+ // Create the object exposing the OpenGL API. |
+ gles2_impl_.reset(new gpu::gles2::GLES2Implementation( |
+ gles2_helper_.get(), |
+ transfer_buffer.size, |
+ transfer_buffer.ptr, |
+ transfer_buffer_id_, |
+ false)); |
+ |
+ return true; |
+} |
+ |
+void Graphics3DImpl::DestroyGLES2Impl() { |
+ gles2_impl_.reset(); |
+ |
+ if (transfer_buffer_id_ != -1) { |
+ gpu::CommandBuffer* command_buffer = GetCommandBuffer(); |
+ DCHECK(command_buffer); |
+ command_buffer->DestroyTransferBuffer(transfer_buffer_id_); |
+ transfer_buffer_id_ = -1; |
+ } |
+ |
+ gles2_helper_.reset(); |
+} |
+ |
+} // namespace ppapi |
+ |
Property changes on: ppapi\shared_impl\graphics_3d_impl.cc |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |