vulkan/wsi: add vk_wsi_force_swapchain_to_current_extent driconf

Add a driconf to force the swapchain size to match
`VkSurfaceCapabilities2KHR::currentExtent` as a workaround for
misbehaved games

Fixes: 6139493ae3 ("vulkan/wsi: return VK_SUBOPTIMAL_KHR for sw/x11 on window resize")
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24818>

src/amd/vulkan/radv_instance.c

@@ -135,6 +135,7 @@ static const driOptionDescription radv_dri_options[] = {
    DRI_CONF_SECTION_DEBUG
       DRI_CONF_OVERRIDE_VRAM_SIZE()
       DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
+      DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
       DRI_CONF_RADV_ZERO_VRAM(false)
       DRI_CONF_RADV_LOWER_DISCARD_TO_DEMOTE(false)
       DRI_CONF_RADV_INVARIANT_GEOM(false)

src/freedreno/vulkan/tu_device.cc

@@ -745,6 +745,7 @@ static const driOptionDescription tu_dri_options[] = {
 
    DRI_CONF_SECTION_DEBUG
       DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
+      DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
       DRI_CONF_VK_DONT_CARE_AS_LOAD(false)
    DRI_CONF_SECTION_END
 

src/intel/vulkan/anv_device.c

@@ -88,6 +88,7 @@ static const driOptionDescription anv_dri_options[] = {
    DRI_CONF_SECTION_DEBUG
       DRI_CONF_ALWAYS_FLUSH_CACHE(false)
       DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
+      DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
       DRI_CONF_LIMIT_TRIG_INPUT_RANGE(false)
       DRI_CONF_ANV_MESH_CONV_PRIM_ATTRS_TO_VERT_ATTRS(-2)
       DRI_CONF_FORCE_VK_VENDOR(0)

src/intel/vulkan_hasvk/anv_device.c

@@ -75,6 +75,7 @@ static const driOptionDescription anv_dri_options[] = {
    DRI_CONF_SECTION_DEBUG
       DRI_CONF_ALWAYS_FLUSH_CACHE(false)
       DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
+      DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
       DRI_CONF_LIMIT_TRIG_INPUT_RANGE(false)
    DRI_CONF_SECTION_END
 

src/microsoft/vulkan/dzn_device.c

@@ -1442,6 +1442,7 @@ static const driOptionDescription dzn_dri_options[] = {
    DRI_CONF_SECTION_DEBUG
       DRI_CONF_DZN_CLAIM_WIDE_LINES(false)
       DRI_CONF_DZN_ENABLE_8BIT_LOADS_STORES(false)
+      DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
    DRI_CONF_SECTION_END
 };
 

src/util/driconf.h

@@ -394,6 +394,10 @@
    DRI_CONF_OPT_B(vk_wsi_force_bgra8_unorm_first, def, \
                   "Force vkGetPhysicalDeviceSurfaceFormatsKHR to return VK_FORMAT_B8G8R8A8_UNORM as the first format")
 
+#define DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(def) \
+   DRI_CONF_OPT_B(vk_wsi_force_swapchain_to_current_extent, def, \
+                  "Force VkSwapchainCreateInfoKHR::imageExtent to be VkSurfaceCapabilities2KHR::currentExtent")
+
 #define DRI_CONF_VK_X11_OVERRIDE_MIN_IMAGE_COUNT(def) \
    DRI_CONF_OPT_I(vk_x11_override_min_image_count, def, 0, 999, \
                   "Override the VkSurfaceCapabilitiesKHR::minImageCount (0 = no override)")

src/virtio/vulkan/vn_instance.c

@@ -63,6 +63,7 @@ static const driOptionDescription vn_dri_options[] = {
    DRI_CONF_SECTION_END
    DRI_CONF_SECTION_DEBUG
       DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
+      DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
    DRI_CONF_SECTION_END
    /* clang-format on */
 };

src/vulkan/wsi/wsi_common.c

@@ -240,6 +240,11 @@ wsi_device_init(struct wsi_device *wsi,
          wsi->force_bgra8_unorm_first =
             driQueryOptionb(dri_options, "vk_wsi_force_bgra8_unorm_first");
       }
+
+      if (driCheckOption(dri_options, "vk_wsi_force_swapchain_to_current_extent",  DRI_BOOL)) {
+         wsi->force_swapchain_to_currentExtent =
+            driQueryOptionb(dri_options, "vk_wsi_force_swapchain_to_current_extent");
+      }
    }
 
    return VK_SUCCESS;
@@ -923,12 +928,22 @@ wsi_CreateSwapchainKHR(VkDevice _device,
    else
      alloc = &device->alloc;
 
+   VkSwapchainCreateInfoKHR info = *pCreateInfo;
+
+   if (wsi_device->force_swapchain_to_currentExtent) {
+      VkSurfaceCapabilities2KHR caps2 = {
+         .sType = VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR,
+      };
+      iface->get_capabilities2(surface, wsi_device, NULL, &caps2);
+      info.imageExtent = caps2.surfaceCapabilities.currentExtent;
+   }
+
    /* Ignore DEFERRED_MEMORY_ALLOCATION_BIT. Would require deep plumbing to be able to take advantage of it.
     * bool deferred_allocation = pCreateInfo->flags & VK_SWAPCHAIN_CREATE_DEFERRED_MEMORY_ALLOCATION_BIT_EXT;
     */
 
    VkResult result = iface->create_swapchain(surface, _device, wsi_device,
-                                             pCreateInfo, alloc,
+                                             &info, alloc,
                                              &swapchain);
    if (result != VK_SUCCESS)
       return result;

src/vulkan/wsi/wsi_common.h

@@ -135,6 +135,8 @@ struct wsi_device {
    /* Create headless swapchains. */
    bool force_headless_swapchain;
 
+   bool force_swapchain_to_currentExtent;
+
    struct {
       /* Override the minimum number of images on the swapchain.
        * 0 = no override */