src/cobalt/browser/resource_provider_array_buffer_allocator.cc

/*
 * Copyright 2016 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "cobalt/browser/resource_provider_array_buffer_allocator.h"

namespace cobalt {
namespace browser {

ResourceProviderArrayBufferAllocator::ResourceProviderArrayBufferAllocator(
    render_tree::ResourceProvider* resource_provider) {
  gpu_memory_buffer_space_ =
      resource_provider->AllocateRawImageMemory(kPoolSize, kAlignment);
  DCHECK(gpu_memory_buffer_space_);
  DCHECK(gpu_memory_buffer_space_->GetMemory());

  gpu_memory_pool_.reset(new nb::MemoryPool(
      gpu_memory_buffer_space_->GetMemory(),
      gpu_memory_buffer_space_->GetSizeInBytes(), true /* thread_safe */));
}

void* ResourceProviderArrayBufferAllocator::Allocate(size_t size) {
  return gpu_memory_pool_->Allocate(size, kAlignment);
}

void ResourceProviderArrayBufferAllocator::Free(void* p) {
  gpu_memory_pool_->Free(p);
}

}  // namespace browser
}  // namespace cobalt