mesa: fix glGet for ext_external_objects parameters

This allows the client to actually query the enums specified in the
ext_external_objects spec.

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/mesa/main/get.c

@@ -2574,6 +2574,9 @@ find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v)
       return TYPE_INT;
 
    /* GL_EXT_external_objects */
+   case GL_NUM_DEVICE_UUIDS_EXT:
+      v->value_int = 1;
+      return TYPE_INT;
    case GL_DRIVER_UUID_EXT:
       _mesa_get_driver_uuid(ctx, v->value_int_4);
       return TYPE_INT_4;

src/mesa/main/get_hash_params.py

@@ -138,6 +138,11 @@ descriptor=[
 
 # GL_ARB_polygon_offset_clamp / GL_EXT_polygon_offset_clamp
   [ "POLYGON_OFFSET_CLAMP_EXT", "CONTEXT_FLOAT(Polygon.OffsetClamp), extra_ARB_polygon_offset_clamp" ],
+
+# GL_EXT_external_objects
+  [ "NUM_DEVICE_UUIDS_EXT", "LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA" ],
+  [ "DRIVER_UUID_EXT", "LOC_CUSTOM, TYPE_INT_4, NO_OFFSET, NO_EXTRA" ],
+  [ "DEVICE_UUID_EXT", "LOC_CUSTOM, TYPE_INT_4, NO_OFFSET, NO_EXTRA" ],
 ]},
 
 # Enums in OpenGL and GLES1