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// Copyright 2014 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/child/child_gpu_memory_buffer_manager.h"
#include "content/common/child_process_messages.h"
#include "content/common/generic_shared_memory_id_generator.h"
#include "content/common/gpu/client/gpu_memory_buffer_impl.h"
namespace content {
namespace {
void DeletedGpuMemoryBuffer(ThreadSafeSender* sender,
gfx::GpuMemoryBufferId id,
uint32 sync_point) {
TRACE_EVENT0("renderer",
"ChildGpuMemoryBufferManager::DeletedGpuMemoryBuffer");
sender->Send(new ChildProcessHostMsg_DeletedGpuMemoryBuffer(id, sync_point));
}
} // namespace
ChildGpuMemoryBufferManager::ChildGpuMemoryBufferManager(
ThreadSafeSender* sender)
: sender_(sender) {
}
ChildGpuMemoryBufferManager::~ChildGpuMemoryBufferManager() {
}
scoped_ptr<gfx::GpuMemoryBuffer>
ChildGpuMemoryBufferManager::AllocateGpuMemoryBuffer(const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage) {
TRACE_EVENT2("renderer",
"ChildGpuMemoryBufferManager::AllocateGpuMemoryBuffer",
"width",
size.width(),
"height",
size.height());
gfx::GpuMemoryBufferHandle handle;
IPC::Message* message = new ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer(
content::GetNextGenericSharedMemoryId(), size.width(), size.height(),
format, usage, &handle);
bool success = sender_->Send(message);
if (!success || handle.is_null())
return nullptr;
scoped_ptr<GpuMemoryBufferImpl> buffer(GpuMemoryBufferImpl::CreateFromHandle(
handle, size, format, usage,
base::Bind(&DeletedGpuMemoryBuffer, sender_, handle.id)));
if (!buffer) {
sender_->Send(new ChildProcessHostMsg_DeletedGpuMemoryBuffer(handle.id, 0));
return nullptr;
}
return buffer.Pass();
}
scoped_ptr<gfx::GpuMemoryBuffer>
ChildGpuMemoryBufferManager::CreateGpuMemoryBufferFromHandle(
const gfx::GpuMemoryBufferHandle& handle,
const gfx::Size& size,
gfx::BufferFormat format) {
NOTIMPLEMENTED();
return nullptr;
}
gfx::GpuMemoryBuffer*
ChildGpuMemoryBufferManager::GpuMemoryBufferFromClientBuffer(
ClientBuffer buffer) {
return GpuMemoryBufferImpl::FromClientBuffer(buffer);
}
void ChildGpuMemoryBufferManager::SetDestructionSyncPoint(
gfx::GpuMemoryBuffer* buffer,
uint32 sync_point) {
static_cast<GpuMemoryBufferImpl*>(buffer)
->set_destruction_sync_point(sync_point);
}
} // namespace content
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