Mojo container example for hosting Pepper plugins

mojo/examples/pepper_container_app/graphics_3d_resource.cc

+// Copyright 2014 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 "mojo/examples/pepper_container_app/graphics_3d_resource.h"
+
+#include "base/logging.h"
+#include "mojo/examples/pepper_container_app/mojo_ppapi_globals.h"
+#include "mojo/examples/pepper_container_app/plugin_instance.h"
+#include "mojo/public/gles2/gles2.h"
+#include "ppapi/c/pp_errors.h"
+
+namespace mojo {
+namespace examples {
+
+namespace {
+
+gpu::CommandBuffer::State GetErrorState() {
+  gpu::CommandBuffer::State error_state;
+  error_state.error = gpu::error::kGenericError;
+  return error_state;
+}
+
+}  // namespace
+
+Graphics3DResource::Graphics3DResource(PP_Instance instance)
+    : Resource(ppapi::OBJECT_IS_IMPL, instance) {
+  ScopedMessagePipeHandle pipe = MojoPpapiGlobals::Get()->CreateGLES2Context();
+  context_ = MojoGLES2CreateContext(pipe.release().value(),
+                                    &ContextLostThunk,
+                                    &DrawAnimationFrameThunk,
+                                    this);
+}
+
+Graphics3DResource::~Graphics3DResource() {
+  MojoGLES2DestroyContext(context_);
+}
+
+bool Graphics3DResource::IsBoundGraphics() const {
+  PluginInstance* plugin_instance =
+      MojoPpapiGlobals::Get()->GetInstance(pp_instance());
+  return plugin_instance && plugin_instance->IsBoundGraphics(pp_resource());
+}
+
+void Graphics3DResource::BindGraphics() {
+  MojoGLES2MakeCurrent(context_);
+}
+
+ppapi::thunk::PPB_Graphics3D_API* Graphics3DResource::AsPPB_Graphics3D_API() {
+  return this;
+}
+
+int32_t Graphics3DResource::GetAttribs(int32_t attrib_list[]) {
+  NOTIMPLEMENTED();
+  return PP_ERROR_FAILED;
+}
+
+int32_t Graphics3DResource::SetAttribs(const int32_t attrib_list[]) {
+  NOTIMPLEMENTED();
+  return PP_ERROR_FAILED;
+}
+
+int32_t Graphics3DResource::GetError() {
+  NOTIMPLEMENTED();
+  return PP_ERROR_FAILED;
+}
+
+int32_t Graphics3DResource::ResizeBuffers(int32_t width, int32_t height) {
+  NOTIMPLEMENTED();
+  return PP_ERROR_FAILED;
+}
+
+int32_t Graphics3DResource::SwapBuffers(
+    scoped_refptr<ppapi::TrackedCallback> callback) {
+  if (!IsBoundGraphics())
+    return PP_ERROR_FAILED;
+
+  MojoGLES2SwapBuffers();
+  return PP_OK;
+}
+
+int32_t Graphics3DResource::GetAttribMaxValue(int32_t attribute,
+                                              int32_t* value) {
+  NOTIMPLEMENTED();
+  return PP_ERROR_FAILED;
+}
+
+PP_Bool Graphics3DResource::SetGetBuffer(int32_t shm_id) {
+  NOTIMPLEMENTED();
+  return PP_FALSE;
+}
+
+gpu::CommandBuffer::State Graphics3DResource::GetState() {
+  NOTIMPLEMENTED();
+  return GetErrorState();
+}
+
+int32_t Graphics3DResource::CreateTransferBuffer(uint32_t size) {
+  NOTIMPLEMENTED();
+  return PP_FALSE;
+}
+
+PP_Bool Graphics3DResource::DestroyTransferBuffer(int32_t id) {
+  NOTIMPLEMENTED();
+  return PP_FALSE;
+}
+
+PP_Bool Graphics3DResource::GetTransferBuffer(int32_t id,
+                                              int* shm_handle,
+                                              uint32_t* shm_size) {
+  NOTIMPLEMENTED();
+  return PP_FALSE;
+}
+
+PP_Bool Graphics3DResource::Flush(int32_t put_offset) {
+  NOTIMPLEMENTED();
+  return PP_FALSE;
+}
+
+gpu::CommandBuffer::State Graphics3DResource::WaitForTokenInRange(int32_t start,
+                                                                  int32_t end) {
+  NOTIMPLEMENTED();
+  return GetErrorState();
+}
+
+gpu::CommandBuffer::State Graphics3DResource::WaitForGetOffsetInRange(
+    int32_t start, int32_t end) {
+  NOTIMPLEMENTED();
+  return GetErrorState();
+}
+
+void* Graphics3DResource::MapTexSubImage2DCHROMIUM(GLenum target,
+                                                   GLint level,
+                                                   GLint xoffset,
+                                                   GLint yoffset,
+                                                   GLsizei width,
+                                                   GLsizei height,
+                                                   GLenum format,
+                                                   GLenum type,
+                                                   GLenum access) {
+  NOTIMPLEMENTED();
+  return NULL;
+}
+
+void Graphics3DResource::UnmapTexSubImage2DCHROMIUM(const void* mem) {
+  NOTIMPLEMENTED();
+}
+
+uint32_t Graphics3DResource::InsertSyncPoint() {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
+void Graphics3DResource::ContextLostThunk(void* closure) {
+  static_cast<Graphics3DResource*>(closure)->ContextLost();
+}
+
+void Graphics3DResource::DrawAnimationFrameThunk(void* closure) {
+  // TODO(yzshen): Use this notification to drive the SwapBuffers() callback.
+}
+
+void Graphics3DResource::ContextLost() {
+  PluginInstance* plugin_instance =
+      MojoPpapiGlobals::Get()->GetInstance(pp_instance());
+  if (plugin_instance)
+    plugin_instance->Graphics3DContextLost();
+}
+
+}  // namespace examples
+}  // namespace mojo