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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "anv_private.h"
VkResult anv_CreateRenderPass(
VkDevice _device,
const VkRenderPassCreateInfo* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkRenderPass* pRenderPass)
{
ANV_FROM_HANDLE(anv_device, device, _device);
struct anv_render_pass *pass;
size_t size;
size_t attachments_offset;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
size = sizeof(*pass);
size += pCreateInfo->subpassCount * sizeof(pass->subpasses[0]);
attachments_offset = size;
size += pCreateInfo->attachmentCount * sizeof(pass->attachments[0]);
pass = vk_alloc2(&device->alloc, pAllocator, size, 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (pass == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
/* Clear the subpasses along with the parent pass. This required because
* each array member of anv_subpass must be a valid pointer if not NULL.
*/
memset(pass, 0, size);
pass->attachment_count = pCreateInfo->attachmentCount;
pass->subpass_count = pCreateInfo->subpassCount;
pass->attachments = (void *) pass + attachments_offset;
for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
struct anv_render_pass_attachment *att = &pass->attachments[i];
att->format = pCreateInfo->pAttachments[i].format;
att->samples = pCreateInfo->pAttachments[i].samples;
att->load_op = pCreateInfo->pAttachments[i].loadOp;
att->store_op = pCreateInfo->pAttachments[i].storeOp;
att->stencil_load_op = pCreateInfo->pAttachments[i].stencilLoadOp;
}
uint32_t subpass_attachment_count = 0, *p;
for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
subpass_attachment_count +=
desc->inputAttachmentCount +
desc->colorAttachmentCount +
/* Count colorAttachmentCount again for resolve_attachments */
desc->colorAttachmentCount;
}
pass->subpass_attachments =
vk_alloc2(&device->alloc, pAllocator,
subpass_attachment_count * sizeof(uint32_t), 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (pass->subpass_attachments == NULL) {
vk_free2(&device->alloc, pAllocator, pass);
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
}
p = pass->subpass_attachments;
for (uint32_t i = 0; i < pCreateInfo->subpassCount; i++) {
const VkSubpassDescription *desc = &pCreateInfo->pSubpasses[i];
struct anv_subpass *subpass = &pass->subpasses[i];
subpass->input_count = desc->inputAttachmentCount;
subpass->color_count = desc->colorAttachmentCount;
if (desc->inputAttachmentCount > 0) {
subpass->input_attachments = p;
p += desc->inputAttachmentCount;
for (uint32_t j = 0; j < desc->inputAttachmentCount; j++) {
subpass->input_attachments[j]
= desc->pInputAttachments[j].attachment;
}
}
if (desc->colorAttachmentCount > 0) {
subpass->color_attachments = p;
p += desc->colorAttachmentCount;
for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
subpass->color_attachments[j]
= desc->pColorAttachments[j].attachment;
}
}
subpass->has_resolve = false;
if (desc->pResolveAttachments) {
subpass->resolve_attachments = p;
p += desc->colorAttachmentCount;
for (uint32_t j = 0; j < desc->colorAttachmentCount; j++) {
uint32_t a = desc->pResolveAttachments[j].attachment;
subpass->resolve_attachments[j] = a;
if (a != VK_ATTACHMENT_UNUSED)
subpass->has_resolve = true;
}
}
if (desc->pDepthStencilAttachment) {
subpass->depth_stencil_attachment =
desc->pDepthStencilAttachment->attachment;
} else {
subpass->depth_stencil_attachment = VK_ATTACHMENT_UNUSED;
}
}
*pRenderPass = anv_render_pass_to_handle(pass);
return VK_SUCCESS;
}
void anv_DestroyRenderPass(
VkDevice _device,
VkRenderPass _pass,
const VkAllocationCallbacks* pAllocator)
{
ANV_FROM_HANDLE(anv_device, device, _device);
ANV_FROM_HANDLE(anv_render_pass, pass, _pass);
if (!pass)
return;
vk_free2(&device->alloc, pAllocator, pass->subpass_attachments);
vk_free2(&device->alloc, pAllocator, pass);
}
void anv_GetRenderAreaGranularity(
VkDevice device,
VkRenderPass renderPass,
VkExtent2D* pGranularity)
{
ANV_FROM_HANDLE(anv_render_pass, pass, renderPass);
/* This granularity satisfies HiZ fast clear alignment requirements
* for all sample counts.
*/
for (unsigned i = 0; i < pass->subpass_count; ++i) {
if (pass->subpasses[i].depth_stencil_attachment !=
VK_ATTACHMENT_UNUSED) {
*pGranularity = (VkExtent2D) { .width = 8, .height = 4 };
return;
}
}
*pGranularity = (VkExtent2D) { 1, 1 };
}
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