vkd3d: Add config option for async presentation.

Signed-off-by: Hans-Kristian Arntzen <[email protected]>

Author: HansKristian-Work

include/vkd3d.h

@@ -106,6 +106,7 @@ extern "C" {
 #define VKD3D_CONFIG_FLAG_DRIVER_VERSION_SENSITIVE_SHADERS (1ull << 48)
 #define VKD3D_CONFIG_FLAG_SMALL_VRAM_REBAR (1ull << 49)
 #define VKD3D_CONFIG_FLAG_STAGGERED_SUBMIT (1ull << 50)
+#define VKD3D_CONFIG_FLAG_ASYNC_PRESENT (1ull << 51)
 
 struct vkd3d_instance;
 

libs/vkd3d/device.c

@@ -940,6 +940,7 @@ static const struct vkd3d_debug_option vkd3d_config_options[] =
     {"app_debug_marker_only", VKD3D_CONFIG_FLAG_APP_DEBUG_MARKER_ONLY},
     {"small_vram_rebar", VKD3D_CONFIG_FLAG_SMALL_VRAM_REBAR},
     {"staggered_submit", VKD3D_CONFIG_FLAG_STAGGERED_SUBMIT},
+    {"async_present", VKD3D_CONFIG_FLAG_ASYNC_PRESENT},
 };
 
 static void vkd3d_config_flags_init_once(void)

libs/vkd3d/swapchain.c

@@ -1349,7 +1349,8 @@ static HRESULT dxgi_vk_swap_chain_create_surface(struct dxgi_vk_swap_chain *chai
      * Only attempt this if the application is asking for an "unusual" priority, since this
      * implies some out of order shenanigans. */
     family_info = chain->queue->device->queue_families[VKD3D_QUEUE_FAMILY_COMPUTE];
-    if (chain->queue->device->queue_families[VKD3D_QUEUE_FAMILY_GRAPHICS]->queue_count == 1 &&
+    if ((vkd3d_config_flags & VKD3D_CONFIG_FLAG_ASYNC_PRESENT) &&
+            chain->queue->device->queue_families[VKD3D_QUEUE_FAMILY_GRAPHICS]->queue_count == 1 &&
             family_info->vk_family_index != chain->queue->vkd3d_queue->vk_family_index &&
             VK_CALL(vkGetPhysicalDeviceSurfaceSupportKHR(vk_physical_device,
                     family_info->vk_family_index, chain->vk_surface, &supported)) == VK_SUCCESS && supported)