src/gallium/drivers/zink/zink_fence.c

   1 /*
   2  * Copyright 2018 Collabora Ltd.
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "zink_fence.h"
  25
  26 #include "zink_screen.h"
  27
  28 #include "util/u_memory.h"
  29
  30 static void
  31 destroy_fence(struct zink_screen *screen, struct zink_fence *fence)
  32 {
  33    if (fence->fence)
  34       vkDestroyFence(screen->dev, fence->fence, NULL);
  35    FREE(fence);
  36 }
  37
  38 struct zink_fence *
  39 zink_create_fence(struct pipe_screen *pscreen)
  40 {
  41    struct zink_screen *screen = zink_screen(pscreen);
  42
  43    VkFenceCreateInfo fci = {};
  44    fci.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
  45
  46    struct zink_fence *ret = CALLOC_STRUCT(zink_fence);
  47    if (!ret) {
  48       debug_printf("CALLOC_STRUCT failed\n");
  49       return NULL;
  50    }
  51
  52    if (vkCreateFence(screen->dev, &fci, NULL, &ret->fence) != VK_SUCCESS) {
  53       debug_printf("vkCreateFence failed\n");
  54       goto fail;
  55    }
  56
  57    pipe_reference_init(&ret->reference, 1);
  58    return ret;
  59
  60 fail:
  61    destroy_fence(screen, ret);
  62    return NULL;
  63 }
  64
  65 void
  66 zink_fence_reference(struct zink_screen *screen,
  67                      struct zink_fence **ptr,
  68                      struct zink_fence *fence)
  69 {
  70    if (pipe_reference(&(*ptr)->reference, &fence->reference))
  71       destroy_fence(screen, *ptr);
  72
  73    *ptr = fence;
  74 }
  75
  76 static void
  77 fence_reference(struct pipe_screen *pscreen,
  78                 struct pipe_fence_handle **pptr,
  79                 struct pipe_fence_handle *pfence)
  80 {
  81    zink_fence_reference(zink_screen(pscreen), (struct zink_fence **)pptr,
  82                         zink_fence(pfence));
  83 }
  84
  85 bool
  86 zink_fence_finish(struct zink_screen *screen, struct zink_fence *fence,
  87                   uint64_t timeout_ns)
  88 {
  89    return vkWaitForFences(screen->dev, 1, &fence->fence, VK_TRUE,
  90                           timeout_ns) == VK_SUCCESS;
  91 }
  92
  93 static bool
  94 fence_finish(struct pipe_screen *pscreen, struct pipe_context *pctx,
  95                   struct pipe_fence_handle *pfence, uint64_t timeout_ns)
  96 {
  97    return zink_fence_finish(zink_screen(pscreen), zink_fence(pfence),
  98                             timeout_ns);
  99 }
 100
 101 void
 102 zink_screen_fence_init(struct pipe_screen *pscreen)
 103 {
 104    pscreen->fence_reference = fence_reference;
 105    pscreen->fence_finish = fence_finish;
 106 }