radv: Return NULL for entrypoints when not supported.

This implements strict checking for the entrypoint ProcAddr
functions.

 - InstanceProcAddr with instance = NULL, only returns the 3 allowed
   entrypoints.
 - DeviceProcAddr does not return any instance entrypoints.
 - InstanceProcAddr does not return non-supported or disabled
   instance entrypoints.
 - DeviceProcAddr does not return non-supported or disabled device
   entrypoints.
 - InstanceProcAddr still returns non-supported device entrypoints.

Reviewed-by: Dave Airlie <[email protected]>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index 18665557eda..10690cbb727 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -255,7 +255,11 @@ void radv_loge_v(const char *format, va_list va);
 		return;					\
 	} while (0)
 
-void *radv_lookup_entrypoint(const char *name);
+void *radv_lookup_entrypoint_unchecked(const char *name);
+void *radv_lookup_entrypoint_checked(const char *name,
+                                    uint32_t core_version,
+                                    const struct radv_instance_extension_table *instance,
+                                    const struct radv_device_extension_table *device);
 
 struct radv_physical_device {
 	VK_LOADER_DATA                              _loader_data;