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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/ipc/common/gpu_surface_tracker.h"
#include <utility>
#include <variant>
#include "base/check.h"
#include "base/containers/contains.h"
#include "build/build_config.h"
#include "third_party/abseil-cpp/absl/functional/overload.h"
#include "ui/gl/android/scoped_java_surface.h"
namespace gpu {
GpuSurfaceTracker::GpuSurfaceTracker()
: next_surface_handle_(1) {
gpu::GpuSurfaceLookup::InitInstance(this);
}
GpuSurfaceTracker::~GpuSurfaceTracker() {
gpu::GpuSurfaceLookup::InitInstance(nullptr);
}
GpuSurfaceTracker* GpuSurfaceTracker::GetInstance() {
return base::Singleton<GpuSurfaceTracker>::get();
}
int GpuSurfaceTracker::AddSurfaceForNativeWidget(SurfaceRecord record) {
base::AutoLock lock(surface_map_lock_);
gpu::SurfaceHandle surface_handle = next_surface_handle_++;
surface_map_.emplace(surface_handle, std::move(record));
return surface_handle;
}
bool GpuSurfaceTracker::IsValidSurfaceHandle(
gpu::SurfaceHandle surface_handle) const {
base::AutoLock lock(surface_map_lock_);
return base::Contains(surface_map_, surface_handle);
}
void GpuSurfaceTracker::RemoveSurface(gpu::SurfaceHandle surface_handle) {
base::AutoLock lock(surface_map_lock_);
DCHECK(base::Contains(surface_map_, surface_handle));
surface_map_.erase(surface_handle);
}
SurfaceRecord GpuSurfaceTracker::AcquireJavaSurface(
gpu::SurfaceHandle surface_handle) {
base::AutoLock lock(surface_map_lock_);
SurfaceMap::const_iterator it = surface_map_.find(surface_handle);
if (it == surface_map_.end())
return SurfaceRecord(gl::ScopedJavaSurface(),
/*can_be_used_with_surface_control=*/false);
return std::visit(
absl::Overload{
[&](const gl::ScopedJavaSurface& surface) {
DCHECK(surface.IsValid());
return SurfaceRecord(surface.CopyRetainOwnership(),
it->second.can_be_used_with_surface_control,
it->second.host_input_token);
},
[&](const gl::ScopedJavaSurfaceControl& surface_control) {
return SurfaceRecord(surface_control.CopyRetainOwnership());
}},
it->second.surface_variant);
}
std::size_t GpuSurfaceTracker::GetSurfaceCount() {
base::AutoLock lock(surface_map_lock_);
return surface_map_.size();
}
} // namespace gpu
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