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_batch.h"
  25 #include "zink_fence.h"
  26
  27 #include "zink_query.h"
  28 #include "zink_screen.h"
  29
  30 #include "util/u_memory.h"
  31
  32 static void
  33 destroy_fence(struct zink_screen *screen, struct zink_fence *fence)
  34 {
  35    if (fence->fence)
  36       vkDestroyFence(screen->dev, fence->fence, NULL);
  37    FREE(fence);
  38 }
  39
  40 struct zink_fence *
  41 zink_create_fence(struct pipe_screen *pscreen, struct zink_batch *batch)
  42 {
  43    struct zink_screen *screen = zink_screen(pscreen);
  44
  45    VkFenceCreateInfo fci = {};
  46    fci.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
  47
  48    struct zink_fence *ret = CALLOC_STRUCT(zink_fence);
  49    if (!ret) {
  50       debug_printf("CALLOC_STRUCT failed\n");
  51       return NULL;
  52    }
  53
  54    if (vkCreateFence(screen->dev, &fci, NULL, &ret->fence) != VK_SUCCESS) {
  55       debug_printf("vkCreateFence failed\n");
  56       goto fail;
  57    }
  58    ret->active_queries = batch->active_queries;
  59    batch->active_queries = NULL;
  60
  61    pipe_reference_init(&ret->reference, 1);
  62    return ret;
  63
  64 fail:
  65    destroy_fence(screen, ret);
  66    return NULL;
  67 }
  68
  69 void
  70 zink_fence_reference(struct zink_screen *screen,
  71                      struct zink_fence **ptr,
  72                      struct zink_fence *fence)
  73 {
  74    if (pipe_reference(&(*ptr)->reference, &fence->reference))
  75       destroy_fence(screen, *ptr);
  76
  77    *ptr = fence;
  78 }
  79
  80 static void
  81 fence_reference(struct pipe_screen *pscreen,
  82                 struct pipe_fence_handle **pptr,
  83                 struct pipe_fence_handle *pfence)
  84 {
  85    zink_fence_reference(zink_screen(pscreen), (struct zink_fence **)pptr,
  86                         zink_fence(pfence));
  87 }
  88
  89 bool
  90 zink_fence_finish(struct zink_screen *screen, struct zink_fence *fence,
  91                   uint64_t timeout_ns)
  92 {
  93    bool success = vkWaitForFences(screen->dev, 1, &fence->fence, VK_TRUE,
  94                                   timeout_ns) == VK_SUCCESS;
  95    if (success && fence->active_queries)
  96       zink_prune_queries(screen, fence);
  97    return success;
  98 }
  99
 100 static bool
 101 fence_finish(struct pipe_screen *pscreen, struct pipe_context *pctx,
 102                   struct pipe_fence_handle *pfence, uint64_t timeout_ns)
 103 {
 104    return zink_fence_finish(zink_screen(pscreen), zink_fence(pfence),
 105                             timeout_ns);
 106 }
 107
 108 void
 109 zink_screen_fence_init(struct pipe_screen *pscreen)
 110 {
 111    pscreen->fence_reference = fence_reference;
 112    pscreen->fence_finish = fence_finish;
 113 }