src/vulkan/anv_pass.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 "anv_private.h"
  25
  26 VkResult anv_CreateRenderPass(
  27     VkDevice                                    _device,
  28     const VkRenderPassCreateInfo*               pCreateInfo,
  29     VkRenderPass*                               pRenderPass)
  30 {
  31    ANV_FROM_HANDLE(anv_device, device, _device);
  32    struct anv_render_pass *pass;
  33    size_t size;
  34    size_t attachments_offset;
  35
  36    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
  37
  38    size = sizeof(*pass);
  39    size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
  40    attachments_offset = size;
  41    size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
  42
  43    pass = anv_device_alloc(device, size, 8,
  44                            VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  45    if (pass == NULL)
  46       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  47
  48    /* Clear the subpasses along with the parent pass. This required because
  49     * each array member of anv_subpass must be a valid pointer if not NULL.
  50     */
  51    memset(pass, 0, size);
  52    pass->attachment_count = pCreateInfo->attachmentCount;
  53    pass->subpass_count = pCreateInfo->subpassCount;
  54    pass->attachments = (void *) pass + attachments_offset;
  55
  56    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
  57       struct anv_render_pass_attachment *att = &pass->attachments[i];
  58
  59       att->format = anv_format_for_vk_format(pCreateInfo->pAttachments[i].format);
  60       att->samples = pCreateInfo->pAttachments[i].samples;
  61       att->load_op = pCreateInfo->pAttachments[i].loadOp;
  62       att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
  63       // att->store_op = pCreateInfo->pAttachments[i].storeOp;
  64       // att->stencil_store_op = pCreateInfo->pAttachments[i].stencilStoreOp;
  65    }
  66
  67    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
  68       const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
  69       struct anv_subpass *subpass = &pass->subpasses[i];
  70
  71       subpass->input_count = desc->inputCount;
  72       subpass->color_count = desc->colorCount;
  73
  74       if (desc->inputCount > 0) {
  75          subpass->input_attachments =
  76             anv_device_alloc(device, desc->inputCount * sizeof(uint32_t),
  77                              8, VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  78
  79          for (uint32_t j = 0; j < desc->inputCount; j++) {
  80             subpass->input_attachments[j]
  81                = desc->pInputAttachments[j].attachment;
  82          }
  83       }
  84
  85       if (desc->colorCount > 0) {
  86          subpass->color_attachments =
  87             anv_device_alloc(device, desc->colorCount * sizeof(uint32_t),
  88                              8, VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
  89
  90          for (uint32_t j = 0; j < desc->colorCount; j++) {
  91             subpass->color_attachments[j]
  92                = desc->pColorAttachments[j].attachment;
  93          }
  94       }
  95
  96       if (desc->pResolveAttachments) {
  97          subpass->resolve_attachments =
  98             anv_device_alloc(device, desc->colorCount * sizeof(uint32_t),
  99                              8, VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 100
 101          for (uint32_t j = 0; j < desc->colorCount; j++) {
 102             subpass->resolve_attachments[j]
 103                = desc->pResolveAttachments[j].attachment;
 104          }
 105       }
 106
 107       subpass->depth_stencil_attachment = desc->depthStencilAttachment.attachment;
 108    }
 109
 110    *pRenderPass = anv_render_pass_to_handle(pass);
 111
 112    return VK_SUCCESS;
 113 }
 114
 115 void anv_DestroyRenderPass(
 116     VkDevice                                    _device,
 117     VkRenderPass                                _pass)
 118 {
 119    ANV_FROM_HANDLE(anv_device, device, _device);
 120    ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
 121
 122    for (uint32_t i = 0; i < pass->subpass_count; i++) {
 123       /* In VkSubpassCreateInfo, each of the attachment arrays may be null.
 124        * Don't free the null arrays.
 125        */
 126       struct anv_subpass *subpass = &pass->subpasses[i];
 127
 128       anv_device_free(device, subpass->input_attachments);
 129       anv_device_free(device, subpass->color_attachments);
 130       anv_device_free(device, subpass->resolve_attachments);
 131    }
 132
 133    anv_device_free(device, pass);
 134 }
 135
 136 VkResult anv_GetRenderAreaGranularity(
 137     VkDevice                                    device,
 138     VkRenderPass                                renderPass,
 139     VkExtent2D*                                 pGranularity)
 140 {
 141    *pGranularity = (VkExtent2D) { 1, 1 };
 142
 143    return VK_SUCCESS;
 144 }