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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"
#include "build/build_config.h"
#if defined(OS_ANDROID)
#include <android/native_window_jni.h>
#endif // defined(OS_ANDROID)
namespace content {
GpuSurfaceTracker::GpuSurfaceTracker()
: next_surface_id_(1) {
GpuSurfaceLookup::InitInstance(this);
}
GpuSurfaceTracker::~GpuSurfaceTracker() {
GpuSurfaceLookup::InitInstance(NULL);
}
GpuSurfaceTracker* GpuSurfaceTracker::GetInstance() {
return base::Singleton<GpuSurfaceTracker>::get();
}
int GpuSurfaceTracker::AddSurfaceForNativeWidget(
gfx::AcceleratedWidget widget) {
base::AutoLock lock(lock_);
int surface_id = next_surface_id_++;
surface_map_[surface_id] = SurfaceInfo(widget, gfx::GLSurfaceHandle());
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);
}
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_);
SurfaceMap::iterator it = surface_map_.find(surface_id);
if (it == surface_map_.end())
return gfx::GLSurfaceHandle();
return it->second.handle;
}
gfx::AcceleratedWidget GpuSurfaceTracker::AcquireNativeWidget(int surface_id) {
base::AutoLock lock(lock_);
SurfaceMap::iterator it = surface_map_.find(surface_id);
if (it == surface_map_.end())
return gfx::kNullAcceleratedWidget;
#if defined(OS_ANDROID)
if (it->second.native_widget != gfx::kNullAcceleratedWidget)
ANativeWindow_acquire(it->second.native_widget);
#endif // defined(OS_ANDROID)
return it->second.native_widget;
}
std::size_t GpuSurfaceTracker::GetSurfaceCount() {
base::AutoLock lock(lock_);
return surface_map_.size();
}
GpuSurfaceTracker::SurfaceInfo::SurfaceInfo()
: native_widget(gfx::kNullAcceleratedWidget) {}
GpuSurfaceTracker::SurfaceInfo::SurfaceInfo(
const gfx::AcceleratedWidget& native_widget,
const gfx::GLSurfaceHandle& handle)
: native_widget(native_widget), handle(handle) {}
GpuSurfaceTracker::SurfaceInfo::~SurfaceInfo() { }
} // namespace content
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