src/freedreno/vulkan/tu_meta_resolve.c

   1 /*
   2  * Copyright © 2016 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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "tu_private.h"
  25
  26 #include <assert.h>
  27 #include <stdbool.h>
  28
  29 #include "nir/nir_builder.h"
  30 #include "vk_format.h"
  31
  32 #include "tu_blit.h"
  33
  34 static void
  35 tu_resolve_image(struct tu_cmd_buffer *cmdbuf,
  36                  struct tu_image *src_image,
  37                  struct tu_image *dst_image,
  38                  const VkImageResolve *info)
  39 {
  40    assert(info->dstSubresource.layerCount == info->srcSubresource.layerCount);
  41
  42    tu_blit(cmdbuf, &cmdbuf->cs, &(struct tu_blit) {
  43       .dst = tu_blit_surf_ext(dst_image, info->dstSubresource, info->dstOffset, info->extent),
  44       .src = tu_blit_surf_ext(src_image, info->srcSubresource, info->srcOffset, info->extent),
  45       .layers = MAX2(info->extent.depth, info->dstSubresource.layerCount)
  46    });
  47 }
  48
  49 void
  50 tu_CmdResolveImage(VkCommandBuffer cmd_buffer_h,
  51                    VkImage src_image_h,
  52                    VkImageLayout src_image_layout,
  53                    VkImage dest_image_h,
  54                    VkImageLayout dest_image_layout,
  55                    uint32_t region_count,
  56                    const VkImageResolve *regions)
  57 {
  58    TU_FROM_HANDLE(tu_cmd_buffer, cmdbuf, cmd_buffer_h);
  59    TU_FROM_HANDLE(tu_image, src_image, src_image_h);
  60    TU_FROM_HANDLE(tu_image, dst_image, dest_image_h);
  61
  62    tu_bo_list_add(&cmdbuf->bo_list, src_image->bo, MSM_SUBMIT_BO_READ);
  63    tu_bo_list_add(&cmdbuf->bo_list, dst_image->bo, MSM_SUBMIT_BO_WRITE);
  64
  65    for (uint32_t i = 0; i < region_count; ++i)
  66       tu_resolve_image(cmdbuf, src_image, dst_image, regions + i);
  67 }