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Unified Diff: ppapi/shared_impl/graphics_3d_impl.cc

Issue 6824006: Completed the implementation for PPB_Graphics3D interface. Mostly copied from the implementations... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 5 months ago
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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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