Move the Pepper implementation from webkit/glue/plugins/pepper_* to...

webkit/glue/plugins/pepper_graphics_3d.cc

-// 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.
-
-#include "webkit/glue/plugins/pepper_graphics_3d.h"
-
-#include "gpu/command_buffer/common/command_buffer.h"
-#include "base/lazy_instance.h"
-#include "base/thread_local.h"
-#include "ppapi/c/dev/ppb_graphics_3d_dev.h"
-#include "webkit/glue/plugins/pepper_common.h"
-#include "webkit/glue/plugins/pepper_plugin_instance.h"
-
-namespace pepper {
-
-namespace {
-
-static base::LazyInstance<base::ThreadLocalPointer<Graphics3D> >
-    g_current_context_key(base::LINKER_INITIALIZED);
-
-// Size of the transfer buffer.
-enum { kTransferBufferSize = 512 * 1024 };
-
-PP_Bool IsGraphics3D(PP_Resource resource) {
-  return BoolToPPBool(!!Resource::GetAs<Graphics3D>(resource));
-}
-
-PP_Bool GetConfigs(int32_t* configs, int32_t config_size, int32_t* num_config) {
-  // TODO(neb): Implement me!
-  return PP_FALSE;
-}
-
-PP_Bool ChooseConfig(const int32_t* attrib_list, int32_t* configs,
-                     int32_t config_size, int32_t* num_config) {
-  // TODO(neb): Implement me!
-  return PP_FALSE;
-}
-
-PP_Bool GetConfigAttrib(int32_t config, int32_t attribute, int32_t* value) {
-  // TODO(neb): Implement me!
-  return PP_FALSE;
-}
-
-const char* QueryString(int32_t name) {
-  switch (name) {
-    case EGL_CLIENT_APIS:
-      return "OpenGL_ES";
-    case EGL_EXTENSIONS:
-      return "";
-    case EGL_VENDOR:
-      return "Google";
-    case EGL_VERSION:
-      return "1.0 Google";
-    default:
-      return NULL;
-  }
-}
-
-PP_Resource CreateContext(PP_Instance instance_id, int32_t config,
-                          int32_t share_context,
-                          const int32_t* attrib_list) {
-  DCHECK_EQ(0, share_context);
-
-  PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
-  if (!instance) {
-    return 0;
-  }
-
-  scoped_refptr<Graphics3D> context(new Graphics3D(instance->module()));
-  if (!context->Init(instance_id, config, attrib_list)) {
-    return 0;
-  }
-
-  return context->GetReference();
-}
-
-void* GetProcAddress(const char* name) {
-  // TODO(neb): Implement me!
-  return NULL;
-}
-
-PP_Bool MakeCurrent(PP_Resource graphics3d) {
-  if (!graphics3d) {
-    Graphics3D::ResetCurrent();
-    return PP_TRUE;
-  } else {
-    scoped_refptr<Graphics3D> context(Resource::GetAs<Graphics3D>(graphics3d));
-    return BoolToPPBool(context.get() && context->MakeCurrent());
-  }
-}
-
-PP_Resource GetCurrentContext() {
-  Graphics3D* current_context = Graphics3D::GetCurrent();
-  return current_context ? current_context->GetReference() : 0;
-}
-
-PP_Bool SwapBuffers(PP_Resource graphics3d) {
-  scoped_refptr<Graphics3D> context(Resource::GetAs<Graphics3D>(graphics3d));
-  return BoolToPPBool(context && context->SwapBuffers());
-}
-
-uint32_t GetError() {
-  // Technically, this should return the last error that occurred on the current
-  // thread, rather than an error associated with a particular context.
-  // TODO(apatrick): Fix this.
-  Graphics3D* current_context = Graphics3D::GetCurrent();
-  if (!current_context)
-    return 0;
-
-  return current_context->GetError();
-}
-
-const PPB_Graphics3D_Dev ppb_graphics3d = {
-  &IsGraphics3D,
-  &GetConfigs,
-  &ChooseConfig,
-  &GetConfigAttrib,
-  &QueryString,
-  &CreateContext,
-  &GetProcAddress,
-  &MakeCurrent,
-  &GetCurrentContext,
-  &SwapBuffers,
-  &GetError
-};
-
-}  // namespace
-
-Graphics3D::Graphics3D(PluginModule* module)
-  : Resource(module),
-    bound_instance_(NULL) {
-}
-
-const PPB_Graphics3D_Dev* Graphics3D::GetInterface() {
-  return &ppb_graphics3d;
-}
-
-Graphics3D* Graphics3D::GetCurrent() {
-  return g_current_context_key.Get().Get();
-}
-
-void Graphics3D::ResetCurrent() {
-  g_current_context_key.Get().Set(NULL);
-}
-
-Graphics3D* Graphics3D::AsGraphics3D() {
-  return this;
-}
-
-Graphics3D::~Graphics3D() {
-  Destroy();
-}
-
-bool Graphics3D::Init(PP_Instance instance_id, int32_t config,
-                      const int32_t* attrib_list) {
-  PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
-  if (!instance) {
-    return false;
-  }
-
-  // Create and initialize the objects required to issue GLES2 calls.
-  platform_context_.reset(instance->delegate()->CreateContext3D());
-  if (!platform_context_.get()) {
-    Destroy();
-    return false;
-  }
-
-  if (!platform_context_->Init()) {
-    Destroy();
-    return false;
-  }
-
-  gles2_implementation_ = platform_context_->GetGLES2Implementation();
-  DCHECK(gles2_implementation_);
-
-  return true;
-}
-
-bool Graphics3D::BindToInstance(PluginInstance* new_instance) {
-  if (bound_instance_ == new_instance)
-    return true;  // Rebinding the same device, nothing to do.
-  if (bound_instance_ && new_instance)
-    return false;  // Can't change a bound device.
-
-  if (new_instance) {
-    // Resize the backing texture to the size of the instance when it is bound.
-    platform_context_->ResizeBackingTexture(new_instance->position().size());
-
-    // This is a temporary hack. The SwapBuffers is issued to force the resize
-    // to take place before any subsequent rendering. This might lead to a
-    // partially rendered frame being displayed. It is also not thread safe
-    // since the SwapBuffers is written to the command buffer and that command
-    // buffer might be written to by another thread.
-    // TODO(apatrick): Figure out the semantics of binding and resizing.
-    platform_context_->SwapBuffers();
-  }
-
-  bound_instance_ = new_instance;
-  return true;
-}
-
-bool Graphics3D::MakeCurrent() {
-  if (!platform_context_.get())
-    return false;
-
-  g_current_context_key.Get().Set(this);
-
-  // TODO(apatrick): Return false on context lost.
-  return true;
-}
-
-bool Graphics3D::SwapBuffers() {
-  if (!platform_context_.get())
-    return false;
-
-  return platform_context_->SwapBuffers();
-}
-
-unsigned Graphics3D::GetError() {
-  if (!platform_context_.get())
-    return 0;
-
-  return platform_context_->GetError();
-}
-
-void Graphics3D::ResizeBackingTexture(const gfx::Size& size) {
-  if (!platform_context_.get())
-    return;
-
-  platform_context_->ResizeBackingTexture(size);
-}
-
-void Graphics3D::SetSwapBuffersCallback(Callback0::Type* callback) {
-  if (!platform_context_.get())
-    return;
-
-  platform_context_->SetSwapBuffersCallback(callback);
-}
-
-unsigned Graphics3D::GetBackingTextureId() {
-  if (!platform_context_.get())
-    return 0;
-
-  return platform_context_->GetBackingTextureId();
-}
-
-void Graphics3D::Destroy() {
-  if (GetCurrent() == this) {
-    ResetCurrent();
-  }
-
-  gles2_implementation_ = NULL;
-
-  platform_context_.reset();
-}
-
-}  // namespace pepper
-