mesa: do not modify args when errors with GetProgramResourceName

Original purpose of these lines was to be more friendly against
GUI tools using the extension. However conformance suite explicitly
checks that buffers are not modified in error conditions.

Fixes:
   ES31-CTS.program_interface_query.buff-length

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Timothy Arceri <t_arceri@yahoo.com.au>

diff --git a/src/mesa/main/program_resource.c b/src/mesa/main/program_resource.c
index 3864775818c7bd12cc69a79155cbed47c341e9ce..23d2b4d2da0a0baf2e8f4e6eae31525d80dad1b1 100644 (file)
--- a/src/mesa/main/program_resource.c
+++ b/src/mesa/main/program_resource.c
@@ -274,12 +274,6 @@ _mesa_GetProgramResourceName(GLuint program, GLenum programInterface,
       _mesa_lookup_shader_program_err(ctx, program,
                                       "glGetProgramResourceName");
 
-   /* Set user friendly return values in case of errors. */
-   if (name)
-      *name = '\0';
-   if (length)
-      *length = 0;
-
    if (!shProg || !name)
       return;