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vkd3d: optimize memory access pattern for sampler descriptors 

this removes them from the bitscan path

Signed-off-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
This commit is contained in:
Mike Blumenkrantz 2022-03-01 16:30:43 -05:00 committed by Hans-Kristian Arntzen
parent dc622fc715
commit 1d76803aff
1 changed files with 5 additions and 4 deletions
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9
libs/vkd3d/resource.c
View File

@ -4900,6 +4900,7 @@ void d3d12_desc_create_sampler(vkd3d_cpu_descriptor_va_t desc_va,
{
const struct vkd3d_vk_device_procs *vk_procs = &device->vk_procs;
union vkd3d_descriptor_info descriptor_info;
struct vkd3d_descriptor_binding binding;
VkWriteDescriptorSet vk_write;
struct d3d12_desc_split d;
struct vkd3d_view_key key;
@ -4923,19 +4924,19 @@ void d3d12_desc_create_sampler(vkd3d_cpu_descriptor_va_t desc_va,
vkd3d_descriptor_debug_register_view_cookie(device->descriptor_qa_global_info, view->cookie, 0);
info_index = vkd3d_bindless_state_find_set_info_index(&device->bindless_state, VKD3D_BINDLESS_SET_SAMPLER);
binding = vkd3d_bindless_state_binding_from_info_index(&device->bindless_state, info_index);
d.view->info.view = view;
d.view->cookie = view->cookie;
d.types->set_info_mask = 1u << info_index;
d.types->flags = VKD3D_DESCRIPTOR_FLAG_VIEW | VKD3D_DESCRIPTOR_FLAG_NON_NULL;
d.types->flags = VKD3D_DESCRIPTOR_FLAG_VIEW | VKD3D_DESCRIPTOR_FLAG_NON_NULL | VKD3D_DESCRIPTOR_FLAG_SINGLE_DESCRIPTOR;
d.types->single_binding = binding;
descriptor_info.image.sampler = view->vk_sampler;
descriptor_info.image.imageView = VK_NULL_HANDLE;
descriptor_info.image.imageLayout = VK_IMAGE_LAYOUT_UNDEFINED;
vkd3d_init_write_descriptor_set(&vk_write, &d,
vkd3d_bindless_state_binding_from_info_index(&device->bindless_state, info_index),
VK_DESCRIPTOR_TYPE_SAMPLER, &descriptor_info);
vkd3d_init_write_descriptor_set(&vk_write, &d, binding, VK_DESCRIPTOR_TYPE_SAMPLER, &descriptor_info);
vkd3d_descriptor_debug_write_descriptor(d.heap->descriptor_heap_info.host_ptr,
d.heap->cookie, d.offset,