| // Copyright 2018 The SwiftShader Authors. 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 "VkCommandPool.hpp" |
| |
| #include "VkCommandBuffer.hpp" |
| #include "VkDestroy.hpp" |
| |
| #include <algorithm> |
| #include <new> |
| |
| namespace vk { |
| |
| CommandPool::CommandPool(const VkCommandPoolCreateInfo *pCreateInfo, void *mem) |
| { |
| } |
| |
| void CommandPool::destroy(const VkAllocationCallbacks *pAllocator) |
| { |
| // Free command Buffers allocated in allocateCommandBuffers |
| for(auto commandBuffer : commandBuffers) |
| { |
| vk::destroy(commandBuffer, NULL_ALLOCATION_CALLBACKS); |
| } |
| } |
| |
| size_t CommandPool::ComputeRequiredAllocationSize(const VkCommandPoolCreateInfo *pCreateInfo) |
| { |
| return 0; |
| } |
| |
| VkResult CommandPool::allocateCommandBuffers(Device *device, VkCommandBufferLevel level, uint32_t commandBufferCount, VkCommandBuffer *pCommandBuffers) |
| { |
| for(uint32_t i = 0; i < commandBufferCount; i++) |
| { |
| // TODO(b/119409619): Allocate command buffers from the pool memory. |
| void *deviceMemory = vk::allocateHostMemory(sizeof(DispatchableCommandBuffer), REQUIRED_MEMORY_ALIGNMENT, |
| NULL_ALLOCATION_CALLBACKS, DispatchableCommandBuffer::GetAllocationScope()); |
| ASSERT(deviceMemory); |
| DispatchableCommandBuffer *commandBuffer = new(deviceMemory) DispatchableCommandBuffer(device, level); |
| if(commandBuffer) |
| { |
| pCommandBuffers[i] = *commandBuffer; |
| } |
| else |
| { |
| for(uint32_t j = 0; j < i; j++) |
| { |
| vk::destroy(pCommandBuffers[j], NULL_ALLOCATION_CALLBACKS); |
| } |
| |
| for(uint32_t j = 0; j < commandBufferCount; j++) |
| { |
| pCommandBuffers[j] = VK_NULL_HANDLE; |
| } |
| |
| return VK_ERROR_OUT_OF_DEVICE_MEMORY; |
| } |
| } |
| |
| commandBuffers.insert(pCommandBuffers, pCommandBuffers + commandBufferCount); |
| |
| return VK_SUCCESS; |
| } |
| |
| void CommandPool::freeCommandBuffers(uint32_t commandBufferCount, const VkCommandBuffer *pCommandBuffers) |
| { |
| for(uint32_t i = 0; i < commandBufferCount; i++) |
| { |
| commandBuffers.erase(pCommandBuffers[i]); |
| vk::destroy(pCommandBuffers[i], NULL_ALLOCATION_CALLBACKS); |
| } |
| } |
| |
| VkResult CommandPool::reset(VkCommandPoolResetFlags flags) |
| { |
| // According the Vulkan 1.1 spec: |
| // "All command buffers that have been allocated from |
| // the command pool are put in the initial state." |
| for(auto commandBuffer : commandBuffers) |
| { |
| vk::Cast(commandBuffer)->reset(flags); |
| } |
| |
| return VK_SUCCESS; |
| } |
| |
| void CommandPool::trim(VkCommandPoolTrimFlags flags) |
| { |
| // TODO (b/119827933): Optimize memory usage here |
| } |
| |
| } // namespace vk |