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vkd3d: Add RTAS buffer usage flags. 

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2021-02-22 13:59:51 +01:00
parent 83861cceed
commit 86f7fdfe7a
1 changed files with 20 additions and 0 deletions
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20
libs/vkd3d/resource.c
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@ -153,6 +153,17 @@ HRESULT vkd3d_create_buffer(struct d3d12_device *device,
| VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_COUNTER_BUFFER_BIT_EXT;
}
if (d3d12_device_supports_ray_tracing_tier_1_0(device))
{
/* Allows us to place GENERIC acceleration structures on top of VkBuffers.
* This should only be allowed on non-host visible heaps. UPLOAD / READBACK is banned
* because of resource state rules, but CUSTOM might be allowed, needs to be verified. */
if (heap_type == D3D12_HEAP_TYPE_DEFAULT || !is_cpu_accessible_heap(heap_properties))
buffer_info.usage |= VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR;
/* This is always allowed. Used for vertex/index buffer inputs to RTAS build. */
buffer_info.usage |= VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR;
}
if (heap_type == D3D12_HEAP_TYPE_UPLOAD)
buffer_info.usage &= ~VK_BUFFER_USAGE_TRANSFER_DST_BIT;
else if (heap_type == D3D12_HEAP_TYPE_READBACK)
@ -5953,6 +5964,15 @@ HRESULT vkd3d_memory_info_init(struct vkd3d_memory_info *info,
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT;
if (device->device_info.acceleration_structure_features.accelerationStructure)
{
/* Caps are not necessarily overridden yet.
* Enabling RTAS should not change acceptable memory mask, but to be safe ... */
buffer_info.usage |=
VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR |
VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR;
}
if ((vr = VK_CALL(vkCreateBuffer(device->vk_device, &buffer_info, NULL, &buffer))) < 0)
{
ERR("Failed to create dummy buffer");