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     const VkAllocationCallbacks*                pAllocator,
  30     VkRenderPass*                               pRenderPass)
  31 {
  32    ANV_FROM_HANDLE(anv_device, device, _device);
  33    struct anv_render_pass *pass;
  34    size_t size;
  35    size_t attachments_offset;
  36
  37    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
  38
  39    size = sizeof(*pass);
  40    size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
  41    attachments_offset = size;
  42    size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
  43
  44    pass = anv_alloc2(&device->alloc, pAllocator, size, 8,
  45                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  46    if (pass == NULL)
  47       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
  48
  49    /* Clear the subpasses along with the parent pass. This required because
  50     * each array member of anv_subpass must be a valid pointer if not NULL.
  51     */
  52    memset(pass, 0, size);
  53    pass->attachment_count = pCreateInfo->attachmentCount;
  54    pass->subpass_count = pCreateInfo->subpassCount;
  55    pass->attachments = (void *) pass + attachments_offset;
  56
  57    for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
  58       struct anv_render_pass_attachment *att = &pass->attachments[i];
  59
  60       att->format = anv_format_for_vk_format(pCreateInfo->pAttachments[i].format);
  61       att->samples = pCreateInfo->pAttachments[i].samples;
  62       att->load_op = pCreateInfo->pAttachments[i].loadOp;
  63       att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
  64       // att->store_op = pCreateInfo->pAttachments[i].storeOp;
  65       // att->stencil_store_op = pCreateInfo->pAttachments[i].stencilStoreOp;
  66    }
  67
  68    for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
  69       const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
  70       struct anv_subpass *subpass = &pass->subpasses[i];
  71
  72       subpass->input_count = desc->inputAttachmentCount;
  73       subpass->color_count = desc->colorAttachmentCount;
  74
  75       if (desc->inputAttachmentCount > 0) {
  76          subpass->input_attachments =
  77             anv_alloc2(&device->alloc, pAllocator,
  78                        desc->inputAttachmentCount * sizeof(uint32_t), 8,
  79                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  80
  81          for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
  82             subpass->input_attachments[j]
  83                = desc->pInputAttachments[j].attachment;
  84          }
  85       }
  86
  87       if (desc->colorAttachmentCount > 0) {
  88          subpass->color_attachments =
  89             anv_alloc2(&device->alloc, pAllocator,
  90                        desc->colorAttachmentCount * sizeof(uint32_t), 8,
  91                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
  92
  93          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
  94             subpass->color_attachments[j]
  95                = desc->pColorAttachments[j].attachment;
  96          }
  97       }
  98
  99       if (desc->pResolveAttachments) {
 100          subpass->resolve_attachments =
 101             anv_alloc2(&device->alloc, pAllocator,
 102                        desc->colorAttachmentCount * sizeof(uint32_t), 8,
 103                        VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 104
 105          for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
 106             subpass->resolve_attachments[j]
 107                = desc->pResolveAttachments[j].attachment;
 108          }
 109       }
 110
 111       if (desc->pDepthStencilAttachment) {
 112          subpass->depth_stencil_attachment =
 113             desc->pDepthStencilAttachment->attachment;
 114       } else {
 115          subpass->depth_stencil_attachment = VK_ATTACHMENT_UNUSED;
 116       }
 117    }
 118
 119    *pRenderPass = anv_render_pass_to_handle(pass);
 120
 121    return VK_SUCCESS;
 122 }
 123
 124 void anv_DestroyRenderPass(
 125     VkDevice                                    _device,
 126     VkRenderPass                                _pass,
 127     const VkAllocationCallbacks*                pAllocator)
 128 {
 129    ANV_FROM_HANDLE(anv_device, device, _device);
 130    ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
 131
 132    for (uint32_t i = 0; i < pass->subpass_count; i++) {
 133       /* In VkSubpassCreateInfo, each of the attachment arrays may be null.
 134        * Don't free the null arrays.
 135        */
 136       struct anv_subpass *subpass = &pass->subpasses[i];
 137
 138       anv_free2(&device->alloc, pAllocator, subpass->input_attachments);
 139       anv_free2(&device->alloc, pAllocator, subpass->color_attachments);
 140       anv_free2(&device->alloc, pAllocator, subpass->resolve_attachments);
 141    }
 142
 143    anv_free2(&device->alloc, pAllocator, pass);
 144 }
 145
 146 void anv_GetRenderAreaGranularity(
 147     VkDevice                                    device,
 148     VkRenderPass                                renderPass,
 149     VkExtent2D*                                 pGranularity)
 150 {
 151    *pGranularity = (VkExtent2D) { 1, 1 };
 152 }