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// Copyright (c) 2013 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 "gpu/command_buffer/service/async_pixel_transfer_delegate.h"
#include "base/memory/shared_memory.h"
#include "gpu/command_buffer/service/safe_shared_memory_pool.h"
namespace gpu {
namespace {
void* GetAddressImpl(base::SharedMemory* shared_memory,
uint32 shm_size,
uint32 shm_data_offset,
uint32 shm_data_size) {
// Memory bounds have already been validated, so there
// are just DCHECKS here.
DCHECK(shared_memory);
DCHECK(shared_memory->memory());
DCHECK_LE(shm_data_offset + shm_data_size, shm_size);
return static_cast<int8*>(shared_memory->memory()) + shm_data_offset;
}
} // namespace
AsyncPixelTransferUploadStats::AsyncPixelTransferUploadStats()
: texture_upload_count_(0) {}
AsyncPixelTransferUploadStats::~AsyncPixelTransferUploadStats() {}
void AsyncPixelTransferUploadStats::AddUpload(base::TimeDelta transfer_time) {
base::AutoLock scoped_lock(lock_);
texture_upload_count_++;
total_texture_upload_time_ += transfer_time;
}
int AsyncPixelTransferUploadStats::GetStats(
base::TimeDelta* total_texture_upload_time) {
base::AutoLock scoped_lock(lock_);
if (total_texture_upload_time)
*total_texture_upload_time = total_texture_upload_time_;
return texture_upload_count_;
}
AsyncPixelTransferDelegate::AsyncPixelTransferDelegate(){}
AsyncPixelTransferDelegate::~AsyncPixelTransferDelegate(){}
// static
void* AsyncPixelTransferDelegate::GetAddress(
const AsyncMemoryParams& mem_params) {
return GetAddressImpl(mem_params.shared_memory,
mem_params.shm_size,
mem_params.shm_data_offset,
mem_params.shm_data_size);
}
// static
void* AsyncPixelTransferDelegate::GetAddress(
ScopedSafeSharedMemory* safe_shared_memory,
const AsyncMemoryParams& mem_params) {
return GetAddressImpl(safe_shared_memory->shared_memory(),
mem_params.shm_size,
mem_params.shm_data_offset,
mem_params.shm_data_size);
}
} // namespace gpu
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