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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.
#include "chrome/browser/renderer_host/accelerated_surface_container_manager_mac.h"
#include "base/logging.h"
#include "chrome/browser/renderer_host/accelerated_surface_container_mac.h"
#include "webkit/plugins/npapi/webplugin.h"
AcceleratedSurfaceContainerManagerMac::AcceleratedSurfaceContainerManagerMac()
: current_id_(0),
root_container_(NULL),
root_container_handle_(gfx::kNullPluginWindow),
gpu_rendering_active_(false) {
}
gfx::PluginWindowHandle
AcceleratedSurfaceContainerManagerMac::AllocateFakePluginWindowHandle(
bool opaque, bool root) {
AutoLock lock(lock_);
AcceleratedSurfaceContainerMac* container =
new AcceleratedSurfaceContainerMac(this, opaque);
gfx::PluginWindowHandle res =
static_cast<gfx::PluginWindowHandle>(++current_id_);
plugin_window_to_container_map_.insert(std::make_pair(res, container));
if (root) {
root_container_ = container;
root_container_handle_ = res;
}
return res;
}
void AcceleratedSurfaceContainerManagerMac::DestroyFakePluginWindowHandle(
gfx::PluginWindowHandle id) {
AutoLock lock(lock_);
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
if (container) {
if (container == root_container_) {
root_container_ = NULL;
root_container_handle_ = gfx::kNullPluginWindow;
}
delete container;
}
plugin_window_to_container_map_.erase(id);
}
bool AcceleratedSurfaceContainerManagerMac::IsRootContainer(
gfx::PluginWindowHandle id) const {
return root_container_handle_ != gfx::kNullPluginWindow &&
root_container_handle_ == id;
}
void AcceleratedSurfaceContainerManagerMac::
set_gpu_rendering_active(bool active) {
if (gpu_rendering_active_ && !active)
SetRootSurfaceInvalid();
gpu_rendering_active_ = active;
}
void AcceleratedSurfaceContainerManagerMac::SetSizeAndIOSurface(
gfx::PluginWindowHandle id,
int32 width,
int32 height,
uint64 io_surface_identifier) {
AutoLock lock(lock_);
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
if (container) {
container->SetSizeAndIOSurface(width, height, io_surface_identifier);
}
}
void AcceleratedSurfaceContainerManagerMac::SetSizeAndTransportDIB(
gfx::PluginWindowHandle id,
int32 width,
int32 height,
TransportDIB::Handle transport_dib) {
AutoLock lock(lock_);
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
if (container)
container->SetSizeAndTransportDIB(width, height, transport_dib);
}
void AcceleratedSurfaceContainerManagerMac::SetPluginContainerGeometry(
const webkit::npapi::WebPluginGeometry& move) {
AutoLock lock(lock_);
AcceleratedSurfaceContainerMac* container = MapIDToContainer(move.window);
if (container)
container->SetGeometry(move);
}
void AcceleratedSurfaceContainerManagerMac::Draw(CGLContextObj context,
gfx::PluginWindowHandle id) {
AutoLock lock(lock_);
glColorMask(true, true, true, true);
// Should match the clear color of RenderWidgetHostViewMac.
glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
// TODO(thakis): Clearing the whole color buffer is wasteful, since most of
// it is overwritten by the surface.
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
CHECK(container);
container->Draw(context);
// Unbind any texture from the texture target to ensure that the
// next time through we will have to re-bind the texture and thereby
// pick up modifications from the other process.
GLenum target = GL_TEXTURE_RECTANGLE_ARB;
glBindTexture(target, 0);
glFlush();
}
void AcceleratedSurfaceContainerManagerMac::ForceTextureReload() {
AutoLock lock(lock_);
for (PluginWindowToContainerMap::const_iterator i =
plugin_window_to_container_map_.begin();
i != plugin_window_to_container_map_.end(); ++i) {
AcceleratedSurfaceContainerMac* container = i->second;
container->ForceTextureReload();
}
}
void AcceleratedSurfaceContainerManagerMac::SetSurfaceWasPaintedTo(
gfx::PluginWindowHandle id, uint64 surface_id) {
AutoLock lock(lock_);
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
if (container)
container->set_was_painted_to(surface_id);
}
void AcceleratedSurfaceContainerManagerMac::SetRootSurfaceInvalid() {
AutoLock lock(lock_);
if (root_container_)
root_container_->set_surface_invalid();
}
bool AcceleratedSurfaceContainerManagerMac::SurfaceShouldBeVisible(
gfx::PluginWindowHandle id) const {
AutoLock lock(lock_);
if (IsRootContainer(id) && !gpu_rendering_active_)
return false;
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
return container && container->ShouldBeVisible();
}
AcceleratedSurfaceContainerMac*
AcceleratedSurfaceContainerManagerMac::MapIDToContainer(
gfx::PluginWindowHandle id) const {
PluginWindowToContainerMap::const_iterator i =
plugin_window_to_container_map_.find(id);
if (i != plugin_window_to_container_map_.end())
return i->second;
LOG(ERROR) << "Request for plugin container for unknown window id " << id;
return NULL;
}
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