zink: detect presence of VK_KHR_maintenance1

Acked-by: Jordan Justen <[email protected]>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 68b593c8d37..66cc6ef4490 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -705,6 +705,24 @@ zink_create_screen(struct sw_winsys *winsys)
    vkGetPhysicalDeviceFeatures(screen->pdev, &screen->feats);
    vkGetPhysicalDeviceMemoryProperties(screen->pdev, &screen->mem_props);
 
+   uint32_t num_extensions = 0;
+   if (vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
+       &num_extensions, NULL) == VK_SUCCESS && num_extensions > 0) {
+      VkExtensionProperties *extensions = MALLOC(sizeof(VkExtensionProperties) *
+                                                num_extensions);
+      if (extensions) {
+         vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
+                                              &num_extensions, extensions);
+
+         for (uint32_t  i = 0; i < num_extensions; ++i) {
+            if (!strcmp(extensions[i].extensionName,
+                VK_KHR_MAINTENANCE1_EXTENSION_NAME))
+               screen->have_VK_KHR_maintenance1 = true;
+         }
+         FREE(extensions);
+      }
+   }
+
    VkDeviceQueueCreateInfo qci = {};
    float dummy = 0.0f;
    qci.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
diff --git a/src/gallium/drivers/zink/zink_screen.h b/src/gallium/drivers/zink/zink_screen.h
index c79ddc18e4b..ab20a683f88 100644
--- a/src/gallium/drivers/zink/zink_screen.h
+++ b/src/gallium/drivers/zink/zink_screen.h
@@ -44,9 +44,11 @@ struct zink_screen {
 
    VkInstance instance;
    VkPhysicalDevice pdev;
+
    VkPhysicalDeviceProperties props;
    VkPhysicalDeviceFeatures feats;
    VkPhysicalDeviceMemoryProperties mem_props;
+   bool have_VK_KHR_maintenance1;
 
    uint32_t gfx_queue;
    VkDevice dev;