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// 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.
#import <OpenGL/OpenGL.h>
#include "chrome/plugin/webplugin_accelerated_surface_proxy_mac.h"
#include "app/surface/accelerated_surface_mac.h"
#include "app/surface/transport_dib.h"
#include "chrome/plugin/webplugin_proxy.h"
WebPluginAcceleratedSurfaceProxy::WebPluginAcceleratedSurfaceProxy(
WebPluginProxy* plugin_proxy)
: plugin_proxy_(plugin_proxy),
window_handle_(NULL) {
surface_ = new AcceleratedSurface;
// It's possible for OpenGL to fail to initialze (e.g., if an incompatible
// mode is forced via flags), so handle that gracefully.
if (!surface_->Initialize(NULL, true)) {
delete surface_;
surface_ = NULL;
return;
}
// Only used for 10.5 support, but harmless on 10.6+.
surface_->SetTransportDIBAllocAndFree(
NewCallback(plugin_proxy_, &WebPluginProxy::AllocSurfaceDIB),
NewCallback(plugin_proxy_, &WebPluginProxy::FreeSurfaceDIB));
}
WebPluginAcceleratedSurfaceProxy::~WebPluginAcceleratedSurfaceProxy() {
if (surface_) {
surface_->Destroy();
delete surface_;
surface_ = NULL;
}
}
void WebPluginAcceleratedSurfaceProxy::SetWindowHandle(
gfx::PluginWindowHandle window) {
window_handle_ = window;
}
void WebPluginAcceleratedSurfaceProxy::SetSize(const gfx::Size& size) {
if (!surface_)
return;
uint64 io_surface_id = surface_->SetSurfaceSize(size);
if (io_surface_id) {
plugin_proxy_->SetAcceleratedSurface(window_handle_, size, io_surface_id);
} else {
TransportDIB::Handle transport_dib = surface_->SetTransportDIBSize(size);
if (TransportDIB::is_valid(transport_dib)) {
plugin_proxy_->SetAcceleratedDIB(window_handle_, size, transport_dib);
}
}
}
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_->AcceleratedFrameBuffersDidSwap(
window_handle_, surface_->GetSurfaceId());
}
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