src/broadcom/vulkan/v3dv_cmd_buffer.c

/*
 * Copyright © 2019 Raspberry Pi
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "v3dv_private.h"

VkResult
v3dv_CreateCommandPool(VkDevice _device,
                       const VkCommandPoolCreateInfo *pCreateInfo,
                       const VkAllocationCallbacks *pAllocator,
                       VkCommandPool *pCmdPool)
{
   V3DV_FROM_HANDLE(v3dv_device, device, _device);
   struct v3dv_cmd_pool *pool;

   /* We only support one queue */
   assert(pCreateInfo->queueFamilyIndex == 0);

   pool = vk_alloc2(&device->alloc, pAllocator, sizeof(*pool), 8,
                     VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
   if (pool == NULL)
      return vk_error(device->instance, VK_ERROR_OUT_OF_HOST_MEMORY);

   if (pAllocator)
      pool->alloc = *pAllocator;
   else
      pool->alloc = device->alloc;

   list_inithead(&pool->cmd_buffers);

   *pCmdPool = v3dv_cmd_pool_to_handle(pool);

   return VK_SUCCESS;
}

void
v3dv_DestroyCommandPool(VkDevice _device,
                        VkCommandPool commandPool,
                        const VkAllocationCallbacks *pAllocator)
{
   V3DV_FROM_HANDLE(v3dv_device, device, _device);
   V3DV_FROM_HANDLE(v3dv_cmd_pool, pool, commandPool);

   if (!pool)
      return;

   vk_free2(&device->alloc, pAllocator, pool);
}