7 * Test that implicit type conversion of out parameters is properly
8 * used to match function calls to callees.
10 * From the GLSL 1.30 spec (which clarifies, but does not change, the
11 * rules for implicit type conversion in GLSL 1.20), section 6.1
12 * (Function Definitions):
14 * Mismatched types on output parameters (out or inout) must have a
15 * conversion from the formal parameter type to the calling argument
30 gl_Position = gl_Vertex;