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c63cb7f4d2
Get rid of any zero-sized entries so drivers never even have to think about this case when using templates. Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Acked-by: Caio Oliveira <caio.oliveira@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14780>
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
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* Copyright © 2017 Intel Corporation
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* Copyright © 2022 Collabora, Ltd
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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 "vk_descriptor_update_template.h"
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#include "vk_common_entrypoints.h"
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#include "vk_device.h"
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#include "vk_log.h"
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VKAPI_ATTR VkResult VKAPI_CALL
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vk_common_CreateDescriptorUpdateTemplate(VkDevice _device,
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const VkDescriptorUpdateTemplateCreateInfo *pCreateInfo,
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const VkAllocationCallbacks *pAllocator,
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VkDescriptorUpdateTemplate *pDescriptorUpdateTemplate)
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{
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VK_FROM_HANDLE(vk_device, device, _device);
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struct vk_descriptor_update_template *template;
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uint32_t entry_count = 0;
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for (uint32_t i = 0; i < pCreateInfo->descriptorUpdateEntryCount; i++) {
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if (pCreateInfo->pDescriptorUpdateEntries[i].descriptorCount > 0)
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entry_count++;
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}
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size_t size = sizeof(*template) + entry_count * sizeof(template->entries[0]);
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template = vk_object_alloc(device, pAllocator, size,
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VK_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE);
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if (template == NULL)
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return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
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template->type = pCreateInfo->templateType;
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template->bind_point = pCreateInfo->pipelineBindPoint;
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if (template->type == VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET)
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template->set = pCreateInfo->set;
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uint32_t entry_idx = 0;
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template->entry_count = entry_count;
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for (uint32_t i = 0; i < pCreateInfo->descriptorUpdateEntryCount; i++) {
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const VkDescriptorUpdateTemplateEntry *pEntry =
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&pCreateInfo->pDescriptorUpdateEntries[i];
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if (pEntry->descriptorCount == 0)
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continue;
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template->entries[entry_idx++] = (struct vk_descriptor_template_entry) {
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.type = pEntry->descriptorType,
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.binding = pEntry->dstBinding,
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.array_element = pEntry->dstArrayElement,
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.array_count = pEntry->descriptorCount,
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.offset = pEntry->offset,
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.stride = pEntry->stride,
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};
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}
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assert(entry_idx == entry_count);
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*pDescriptorUpdateTemplate =
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vk_descriptor_update_template_to_handle(template);
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return VK_SUCCESS;
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}
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VKAPI_ATTR void VKAPI_CALL
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vk_common_DestroyDescriptorUpdateTemplate(VkDevice _device,
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VkDescriptorUpdateTemplate descriptorUpdateTemplate,
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const VkAllocationCallbacks *pAllocator)
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{
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VK_FROM_HANDLE(vk_device, device, _device);
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VK_FROM_HANDLE(vk_descriptor_update_template, template,
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descriptorUpdateTemplate);
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if (!template)
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return;
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vk_object_free(device, pAllocator, template);
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}
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