radv: consider MESA_VK_VERSION_OVERRIDE when setting the api version

Before setting the physical device API version, we should check if the
MESA_VK_VERSION_OVERRIDE environment variable is set and take it into
account.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

diff --git a/src/amd/vulkan/radv_extensions.py b/src/amd/vulkan/radv_extensions.py
index d56d64b..23e76bf 100644 (file)
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -335,9 +335,12 @@ VkResult radv_EnumerateInstanceVersion(
 uint32_t
 radv_physical_device_api_version(struct radv_physical_device *dev)
 {
+    uint32_t override = vk_get_version_override();
+    uint32_t version = VK_MAKE_VERSION(1, 0, 68);
     if (dev->rad_info.has_syncobj_wait_for_submit)
-        return ${MAX_API_VERSION.c_vk_version()};
-    return VK_MAKE_VERSION(1, 0, 68);
+        version = ${MAX_API_VERSION.c_vk_version()};
+
+    return override ? MIN2(override, version) : version;
 }
 """)