190 lines
7.5 KiB
C
190 lines
7.5 KiB
C
/*
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* Copyright © 2019 Red Hat.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "lvp_private.h"
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#include "vk_util.h"
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static unsigned
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lvp_num_subpass_attachments2(const VkSubpassDescription2 *desc)
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{
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const VkSubpassDescriptionDepthStencilResolve *ds_resolve =
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vk_find_struct_const(desc->pNext,
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SUBPASS_DESCRIPTION_DEPTH_STENCIL_RESOLVE);
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return desc->inputAttachmentCount +
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desc->colorAttachmentCount +
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(desc->pResolveAttachments ? desc->colorAttachmentCount : 0) +
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(desc->pDepthStencilAttachment != NULL) +
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(ds_resolve && ds_resolve->pDepthStencilResolveAttachment);
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}
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VKAPI_ATTR VkResult VKAPI_CALL lvp_CreateRenderPass2(
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VkDevice _device,
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const VkRenderPassCreateInfo2* pCreateInfo,
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const VkAllocationCallbacks* pAllocator,
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VkRenderPass* pRenderPass)
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{
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LVP_FROM_HANDLE(lvp_device, device, _device);
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struct lvp_render_pass *pass;
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size_t attachments_offset;
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size_t size;
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uint32_t subpass_attachment_count = 0;
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for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
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subpass_attachment_count += lvp_num_subpass_attachments2(&pCreateInfo->pSubpasses[i]);
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}
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size = sizeof(*pass);
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size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
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attachments_offset = size;
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size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
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uint32_t subpass_attachment_offset = size;
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size += subpass_attachment_count * sizeof(void*);
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pass = vk_zalloc2(&device->vk.alloc, pAllocator, size, 8,
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VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
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if (pass == NULL)
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return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
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/* Clear the subpasses along with the parent pass. This required because
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* each array member of lvp_subpass must be a valid pointer if not NULL.
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*/
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memset(pass, 0, size);
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vk_object_base_init(&device->vk, &pass->base,
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VK_OBJECT_TYPE_RENDER_PASS);
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pass->attachment_count = pCreateInfo->attachmentCount;
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pass->subpass_count = pCreateInfo->subpassCount;
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pass->attachments = (struct lvp_render_pass_attachment *)((char *)pass + attachments_offset);
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for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
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struct lvp_render_pass_attachment *att = &pass->attachments[i];
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att->format = pCreateInfo->pAttachments[i].format;
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att->samples = pCreateInfo->pAttachments[i].samples;
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att->load_op = pCreateInfo->pAttachments[i].loadOp;
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att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
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att->attachment = i;
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}
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uint32_t subpass_attachment_idx = 0;
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#define ATTACHMENT_OFFSET (struct lvp_render_pass_attachment**)(((uint8_t*)pass) + subpass_attachment_offset + (subpass_attachment_idx * sizeof(void*)))
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#define CHECK_UNUSED_ATTACHMENT(SRC, DST, IDX) do { \
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if (desc->SRC[IDX].attachment == VK_ATTACHMENT_UNUSED) \
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subpass->DST[IDX] = NULL; \
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else \
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subpass->DST[IDX] = &pass->attachments[desc->SRC[IDX].attachment]; \
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} while (0)
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for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
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const VkSubpassDescription2 *desc = &pCreateInfo->pSubpasses[i];
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struct lvp_subpass *subpass = &pass->subpasses[i];
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subpass->input_count = desc->inputAttachmentCount;
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subpass->color_count = desc->colorAttachmentCount;
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subpass->view_mask = desc->viewMask;
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subpass->has_color_resolve = false;
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if (desc->inputAttachmentCount > 0) {
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subpass->input_attachments = ATTACHMENT_OFFSET;
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subpass_attachment_idx += desc->inputAttachmentCount;
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for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
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CHECK_UNUSED_ATTACHMENT(pInputAttachments, input_attachments, j);
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}
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}
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if (desc->colorAttachmentCount > 0) {
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subpass->color_attachments = ATTACHMENT_OFFSET;
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subpass_attachment_idx += desc->colorAttachmentCount;
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for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
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CHECK_UNUSED_ATTACHMENT(pColorAttachments, color_attachments, j);
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subpass->has_color_attachment |= !!subpass->color_attachments[j];
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}
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}
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if (desc->pResolveAttachments) {
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subpass->resolve_attachments = ATTACHMENT_OFFSET;
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subpass_attachment_idx += desc->colorAttachmentCount;
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for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
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CHECK_UNUSED_ATTACHMENT(pResolveAttachments, resolve_attachments, j);
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if (subpass->resolve_attachments[j])
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subpass->has_color_resolve = true;
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}
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}
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if (desc->pDepthStencilAttachment) {
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subpass->depth_stencil_attachment = ATTACHMENT_OFFSET;
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subpass_attachment_idx++;
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CHECK_UNUSED_ATTACHMENT(pDepthStencilAttachment, depth_stencil_attachment, 0);
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subpass->has_zs_attachment = !!(*subpass->depth_stencil_attachment);
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}
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const VkSubpassDescriptionDepthStencilResolve *ds_resolve =
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vk_find_struct_const(desc->pNext, SUBPASS_DESCRIPTION_DEPTH_STENCIL_RESOLVE);
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if (ds_resolve && ds_resolve->pDepthStencilResolveAttachment) {
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subpass->ds_resolve_attachment = ATTACHMENT_OFFSET;
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subpass_attachment_idx++;
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if (ds_resolve->pDepthStencilResolveAttachment->attachment == VK_ATTACHMENT_UNUSED)
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*subpass->ds_resolve_attachment = NULL;
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else
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*subpass->ds_resolve_attachment = &pass->attachments[ds_resolve->pDepthStencilResolveAttachment->attachment];
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subpass->depth_resolve_mode = ds_resolve->depthResolveMode;
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subpass->stencil_resolve_mode = ds_resolve->stencilResolveMode;
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}
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}
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#undef ATTACHMENT_OFFSET
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*pRenderPass = lvp_render_pass_to_handle(pass);
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return VK_SUCCESS;
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}
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VKAPI_ATTR void VKAPI_CALL lvp_DestroyRenderPass(
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VkDevice _device,
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VkRenderPass _pass,
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const VkAllocationCallbacks* pAllocator)
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{
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LVP_FROM_HANDLE(lvp_device, device, _device);
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LVP_FROM_HANDLE(lvp_render_pass, pass, _pass);
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if (!_pass)
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return;
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vk_object_base_finish(&pass->base);
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vk_free2(&device->vk.alloc, pAllocator, pass->subpass_attachments);
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vk_free2(&device->vk.alloc, pAllocator, pass);
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}
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VKAPI_ATTR void VKAPI_CALL lvp_GetRenderAreaGranularity(
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VkDevice device,
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VkRenderPass renderPass,
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VkExtent2D* pGranularity)
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{
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*pGranularity = (VkExtent2D) { 1, 1 };
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}
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