Add C99 api(macro) BGFX_HANDLE_IS_VALID

include/bgfx/c99/bgfx.h

@@ -463,6 +463,8 @@ typedef struct bgfx_vertex_buffer_handle_s { uint16_t idx; } bgfx_vertex_buffer_
 typedef struct bgfx_vertex_decl_handle_s { uint16_t idx; } bgfx_vertex_decl_handle_t;
 
 
+#define BGFX_HANDLE_IS_VALID(h) ((h).idx != UINT16_MAX)
+
 /**
  * Memory release callback.
  *

scripts/temp.bgfx.h

@@ -106,6 +106,8 @@ typedef struct bgfx_callback_vtbl_s
 
 $chandles
 
+#define BGFX_HANDLE_IS_VALID(h) ((h).idx != UINT16_MAX)
+
 $cfuncptrs
 
 $cstructs