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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/glue/plugins/webplugin.h"
AcceleratedSurfaceContainerManagerMac::AcceleratedSurfaceContainerManagerMac()
: current_id_(0) {
}
gfx::PluginWindowHandle
AcceleratedSurfaceContainerManagerMac::AllocateFakePluginWindowHandle(
bool opaque) {
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));
return res;
}
void AcceleratedSurfaceContainerManagerMac::DestroyFakePluginWindowHandle(
gfx::PluginWindowHandle id) {
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
if (container)
delete container;
plugin_window_to_container_map_.erase(id);
}
void AcceleratedSurfaceContainerManagerMac::SetSizeAndIOSurface(
gfx::PluginWindowHandle id,
int32 width,
int32 height,
uint64 io_surface_identifier) {
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) {
AcceleratedSurfaceContainerMac* container = MapIDToContainer(id);
if (container)
container->SetSizeAndTransportDIB(width, height, transport_dib);
}
void AcceleratedSurfaceContainerManagerMac::MovePluginContainer(
const webkit_glue::WebPluginGeometry& move) {
AcceleratedSurfaceContainerMac* container = MapIDToContainer(move.window);
if (container)
container->MoveTo(move);
}
void AcceleratedSurfaceContainerManagerMac::Draw(CGLContextObj context) {
// Clean up old texture objects. This is essentially a pre-emptive
// cleanup, as the resources will be released when the OpenGL
// context associated with the CAOpenGLLayer is destroyed. However,
// if we render many plugins in the same layer, we should try to
// eagerly reclaim their resources. Note also that the OpenGL
// context must be current when performing the deletion, and it
// seems risky to make the OpenGL context current at an arbitrary
// point in time, which is why the deletion does not occur in the
// container's destructor.
for (std::vector<GLuint>::iterator iter =
textures_pending_deletion_.begin();
iter != textures_pending_deletion_.end();
++iter) {
GLuint texture = *iter;
glDeleteTextures(1, &texture);
}
textures_pending_deletion_.clear();
glColorMask(true, true, true, true);
glClearColor(0, 0, 0, 0);
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);
for (PluginWindowToContainerMap::const_iterator i =
plugin_window_to_container_map_.begin();
i != plugin_window_to_container_map_.end(); ++i) {
AcceleratedSurfaceContainerMac* container = i->second;
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() {
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::EnqueueTextureForDeletion(
GLuint texture) {
if (texture) {
textures_pending_deletion_.push_back(texture);
}
}
AcceleratedSurfaceContainerMac*
AcceleratedSurfaceContainerManagerMac::MapIDToContainer(
gfx::PluginWindowHandle id) {
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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