vkd3d: Enable storage image usage for potential resolve destinations.

This allows multisample resolves to be performed on resources which
do not support render target usage.

Signed-off-by: Philip Rebohle <philip.rebohle@tu-dortmund.de>

Author: doitsujin

libs/vkd3d/command.c

@@ -8464,7 +8464,7 @@ enum vkd3d_resolve_image_path d3d12_command_list_select_resolve_path(struct d3d1
         }
     }
 
-    if (dst_resource->desc.Flags & D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS)
+    if (dst_resource->flags & VKD3D_RESOURCE_STORAGE_IMAGE)
     {
         /* Use the compute path if we need to use a pipeline anyway, or if
          * the destination image does not support render target usage. */

libs/vkd3d/resource.c

@@ -774,6 +774,16 @@ static HRESULT vkd3d_get_image_create_info(struct d3d12_device *device,
     if (!(desc->Flags & D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE) || desc->SampleDesc.Count > 1)
         image_info->usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
 
+    /* Add storage image usage if the image cannot be rendered to, but may
+     * be used as a destination image for multisample resolves. */
+    if (desc->Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE2D && desc->SampleDesc.Count == 1 &&
+            !(image_info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) &&
+            (format->vk_aspect_mask == VK_IMAGE_ASPECT_COLOR_BIT) &&
+            (format->vk_format_features & VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT) &&
+            (format->vk_format_features & VK_FORMAT_FEATURE_2_STORAGE_IMAGE_BIT) &&
+            (!heap_properties || !is_cpu_accessible_heap(heap_properties)))
+        image_info->usage |= VK_IMAGE_USAGE_STORAGE_BIT;
+
     /* Additional usage flags for shader-based copies */
     if (vkd3d_format_allows_shader_copies(format->dxgi_format))
     {
@@ -873,6 +883,9 @@ static HRESULT vkd3d_get_image_create_info(struct d3d12_device *device,
         {
             resource->common_layout = vk_common_image_layout_from_d3d12_desc(device, desc);
         }
+
+        if (image_info->usage & VK_IMAGE_USAGE_STORAGE_BIT)
+            resource->flags |= VKD3D_RESOURCE_STORAGE_IMAGE;
     }
 
     return S_OK;

libs/vkd3d/vkd3d_private.h

@@ -877,6 +877,7 @@ enum vkd3d_resource_flag
     VKD3D_RESOURCE_EXTERNAL               = (1u << 5),
     VKD3D_RESOURCE_ACCELERATION_STRUCTURE = (1u << 6),
     VKD3D_RESOURCE_GENERAL_LAYOUT         = (1u << 7),
+    VKD3D_RESOURCE_STORAGE_IMAGE          = (1u << 8),
 };
 
 struct d3d12_sparse_image_region