| 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
|
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|