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// 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.
#include "content/browser/gpu/gpu_surface_tracker.h"
#include "base/logging.h"
namespace content {
GpuSurfaceTracker::GpuSurfaceTracker()
: next_surface_id_(1) {
GpuSurfaceLookup::InitInstance(this);
}
GpuSurfaceTracker::~GpuSurfaceTracker() {
GpuSurfaceLookup::InitInstance(NULL);
}
GpuSurfaceTracker* GpuSurfaceTracker::GetInstance() {
return Singleton<GpuSurfaceTracker>::get();
}
int GpuSurfaceTracker::AddSurfaceForRenderer(int renderer_id,
int render_widget_id) {
base::AutoLock lock(lock_);
SurfaceInfo info = {
renderer_id,
render_widget_id,
gfx::kNullAcceleratedWidget
};
int surface_id = next_surface_id_++;
surface_map_[surface_id] = info;
return surface_id;
}
int GpuSurfaceTracker::LookupSurfaceForRenderer(int renderer_id,
int render_widget_id) {
base::AutoLock lock(lock_);
for (SurfaceMap::iterator it = surface_map_.begin(); it != surface_map_.end();
++it) {
const SurfaceInfo& info = it->second;
if (info.renderer_id == renderer_id &&
info.render_widget_id == render_widget_id) {
return it->first;
}
}
return 0;
}
int GpuSurfaceTracker::AddSurfaceForNativeWidget(
gfx::AcceleratedWidget widget) {
base::AutoLock lock(lock_);
SurfaceInfo info = { 0, 0, widget };
int surface_id = next_surface_id_++;
surface_map_[surface_id] = info;
return surface_id;
}
void GpuSurfaceTracker::RemoveSurface(int surface_id) {
base::AutoLock lock(lock_);
DCHECK(surface_map_.find(surface_id) != surface_map_.end());
surface_map_.erase(surface_id);
}
bool GpuSurfaceTracker::GetRenderWidgetIDForSurface(int surface_id,
int* renderer_id,
int* render_widget_id) {
base::AutoLock lock(lock_);
SurfaceMap::iterator it = surface_map_.find(surface_id);
if (it == surface_map_.end())
return false;
const SurfaceInfo& info = it->second;
*renderer_id = info.renderer_id;
*render_widget_id = info.render_widget_id;
return true;
}
void GpuSurfaceTracker::SetSurfaceHandle(int surface_id,
const gfx::GLSurfaceHandle& handle) {
base::AutoLock lock(lock_);
DCHECK(surface_map_.find(surface_id) != surface_map_.end());
SurfaceInfo& info = surface_map_[surface_id];
info.handle = handle;
}
gfx::GLSurfaceHandle GpuSurfaceTracker::GetSurfaceHandle(int surface_id) {
base::AutoLock lock(lock_);
DCHECK(surface_map_.find(surface_id) != surface_map_.end());
return surface_map_[surface_id].handle;
}
gfx::PluginWindowHandle GpuSurfaceTracker::GetSurfaceWindowHandle(
int surface_id) {
base::AutoLock lock(lock_);
SurfaceMap::iterator it = surface_map_.find(surface_id);
if (it == surface_map_.end())
return gfx::kNullPluginWindow;
return it->second.handle.handle;
}
gfx::AcceleratedWidget GpuSurfaceTracker::GetNativeWidget(int surface_id) {
base::AutoLock lock(lock_);
SurfaceMap::iterator it = surface_map_.find(surface_id);
if (it == surface_map_.end())
return gfx::kNullAcceleratedWidget;
return it->second.native_widget;
}
} // namespace content
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