| // Copyright (c) 2012 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. |
| |
| #import <OpenGL/OpenGL.h> |
| |
| #include "content/plugin/webplugin_accelerated_surface_proxy_mac.h" |
| |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "content/plugin/webplugin_proxy.h" |
| #include "content/public/common/content_switches.h" |
| #include "ui/surface/accelerated_surface_mac.h" |
| #include "ui/surface/transport_dib.h" |
| |
| namespace content { |
| |
| WebPluginAcceleratedSurfaceProxy* WebPluginAcceleratedSurfaceProxy::Create( |
| WebPluginProxy* plugin_proxy, |
| gfx::GpuPreference gpu_preference) { |
| // This code path shouldn't be taken if CA plugins are disabled |
| // because the CA drawing model shouldn't be advertised. |
| DCHECK(!CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kDisableCoreAnimationPlugins)); |
| |
| AcceleratedSurface* surface = new AcceleratedSurface; |
| // It's possible for OpenGL to fail to initialize (e.g., if an incompatible |
| // mode is forced via flags), so handle that gracefully. |
| if (!surface->Initialize(NULL, true, gpu_preference)) { |
| delete surface; |
| return NULL; |
| } |
| |
| return new WebPluginAcceleratedSurfaceProxy(plugin_proxy, surface); |
| } |
| |
| WebPluginAcceleratedSurfaceProxy::WebPluginAcceleratedSurfaceProxy( |
| WebPluginProxy* plugin_proxy, |
| AcceleratedSurface* surface) |
| : plugin_proxy_(plugin_proxy), |
| surface_(surface) { |
| } |
| |
| WebPluginAcceleratedSurfaceProxy::~WebPluginAcceleratedSurfaceProxy() { |
| if (surface_) { |
| surface_->Destroy(); |
| delete surface_; |
| surface_ = NULL; |
| } |
| } |
| |
| void WebPluginAcceleratedSurfaceProxy::SetSize(const gfx::Size& size) { |
| if (!surface_) |
| return; |
| |
| uint32 io_surface_id = surface_->SetSurfaceSize(size); |
| // If allocation fails for some reason, still inform the plugin proxy. |
| plugin_proxy_->AcceleratedPluginAllocatedIOSurface( |
| size.width(), size.height(), io_surface_id); |
| } |
| |
| CGLContextObj WebPluginAcceleratedSurfaceProxy::context() { |
| return surface_ ? surface_->context() : NULL; |
| } |
| |
| void WebPluginAcceleratedSurfaceProxy::StartDrawing() { |
| if (!surface_) |
| return; |
| |
| surface_->MakeCurrent(); |
| surface_->Clear(gfx::Rect(surface_->GetSize())); |
| } |
| |
| void WebPluginAcceleratedSurfaceProxy::EndDrawing() { |
| if (!surface_) |
| return; |
| |
| surface_->SwapBuffers(); |
| plugin_proxy_->AcceleratedPluginSwappedIOSurface(); |
| } |
| |
| } // namespace content |