src/vulkan/anv_query.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31
  32 VkResult anv_CreateQueryPool(
  33     VkDevice                                    _device,
  34     const VkQueryPoolCreateInfo*                pCreateInfo,
  35     const VkAllocationCallbacks*                pAllocator,
  36     VkQueryPool*                                pQueryPool)
  37 {
  38    ANV_FROM_HANDLE(anv_device, device, _device);
  39    struct anv_query_pool *pool;
  40    VkResult result;
  41    size_t size;
  42
  43    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO);
  44
  45    switch (pCreateInfo->queryType) {
  46    case VK_QUERY_TYPE_OCCLUSION:
  47       break;
  48    case VK_QUERY_TYPE_PIPELINE_STATISTICS:
  49       return VK_UNSUPPORTED;
  50    default:
  51       unreachable("");
  52    }
  53
  54    pool = anv_alloc2(&device->alloc, pAllocator, sizeof(*pool), 8,
  55                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  56    if (pool == NULL)
  57       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  58
  59    size = pCreateInfo->entryCount * sizeof(struct anv_query_pool_slot);
  60    result = anv_bo_init_new(&pool->bo, device, size);
  61    if (result != VK_SUCCESS)
  62       goto fail;
  63
  64    pool->bo.map = anv_gem_mmap(device, pool->bo.gem_handle, 0, size);
  65
  66    *pQueryPool = anv_query_pool_to_handle(pool);
  67
  68    return VK_SUCCESS;
  69
  70  fail:
  71    anv_free2(&device->alloc, pAllocator, pool);
  72
  73    return result;
  74 }
  75
  76 void anv_DestroyQueryPool(
  77     VkDevice                                    _device,
  78     VkQueryPool                                 _pool,
  79     const VkAllocationCallbacks*                pAllocator)
  80 {
  81    ANV_FROM_HANDLE(anv_device, device, _device);
  82    ANV_FROM_HANDLE(anv_query_pool, pool, _pool);
  83
  84    anv_gem_munmap(pool->bo.map, pool->bo.size);
  85    anv_gem_close(device, pool->bo.gem_handle);
  86    anv_free2(&device->alloc, pAllocator, pool);
  87 }
  88
  89 VkResult anv_GetQueryPoolResults(
  90     VkDevice                                    _device,
  91     VkQueryPool                                 queryPool,
  92     uint32_t                                    startQuery,
  93     uint32_t                                    queryCount,
  94     size_t*                                     pDataSize,
  95     void*                                       pData,
  96     VkQueryResultFlags                          flags)
  97 {
  98    ANV_FROM_HANDLE(anv_device, device, _device);
  99    ANV_FROM_HANDLE(anv_query_pool, pool, queryPool);
 100    struct anv_query_pool_slot *slot = pool->bo.map;
 101    int64_t timeout = INT64_MAX;
 102    uint32_t *dst32 = pData;
 103    uint64_t *dst64 = pData;
 104    uint64_t result;
 105    int ret;
 106
 107    if (flags & VK_QUERY_RESULT_WITH_AVAILABILITY_BIT) {
 108       /* Where is the availabilty info supposed to go? */
 109       anv_finishme("VK_QUERY_RESULT_WITH_AVAILABILITY_BIT");
 110       return VK_UNSUPPORTED;
 111    }
 112
 113    assert(pool->type == VK_QUERY_TYPE_OCCLUSION);
 114
 115    if (flags & VK_QUERY_RESULT_64_BIT)
 116       *pDataSize = queryCount * sizeof(uint64_t);
 117    else
 118       *pDataSize = queryCount * sizeof(uint32_t);
 119
 120    if (pData == NULL)
 121       return VK_SUCCESS;
 122
 123    if (flags & VK_QUERY_RESULT_WAIT_BIT) {
 124       ret = anv_gem_wait(device, pool->bo.gem_handle, &timeout);
 125       if (ret == -1) {
 126          /* We don't know the real error. */
 127          return vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
 128                           "gem_wait failed %m");
 129       }
 130    }
 131
 132    for (uint32_t i = 0; i < queryCount; i++) {
 133       result = slot[startQuery + i].end - slot[startQuery + i].begin;
 134       if (flags & VK_QUERY_RESULT_64_BIT) {
 135          *dst64++ = result;
 136       } else {
 137          if (result > UINT32_MAX)
 138             result = UINT32_MAX;
 139          *dst32++ = result;
 140       }
 141    }
 142
 143    return VK_SUCCESS;
 144 }
 145
 146 void anv_CmdResetQueryPool(
 147     VkCommandBuffer                             commandBuffer,
 148     VkQueryPool                                 queryPool,
 149     uint32_t                                    startQuery,
 150     uint32_t                                    queryCount)
 151 {
 152    stub();
 153 }