[Piglit] glslparsertest/glsl2/local-function-03.frag is this a bug?

[chris]

Dear all,
Can someone help me?
I just want to make clear if the two condition is sure in shading language.
1.  define a function with unnamed arguments is not allowed in piglit.
> float a(float x, float )
> {
>   return x;
> }
http://cgit.freedesktop.org/piglit/tree/tests/glslparsertest/glsl2/parameters-04.vert
2. declaration of function in function scope is allowed in piglit.
> void main() {
>     float foo(float x);
>     gl_FragColor = vec4(0.0, foo(0.5), 0.0, 1.0);
> }

http://cgit.freedesktop.org/piglit/tree/tests/glslparsertest/glsl2/local-function-03.frag
Thanks.


At 2013-11-25 16:08:28,chris <wwzbwwzb at 163.com> wrote:

This test should be pass but fail. (glslparsertest/glsl2/parameters-04.vert)

http://cgit.freedesktop.org/piglit/tree/tests/glslparsertest/glsl2/parameters-04.vert

// [config]
// expect_result: fail
// glsl_version: 1.10
//
// # NOTE: Config section was auto-generated from file
// # NOTE: 'glslparser.tests' at git revision
// # NOTE: 6cc17ae70b70d150aa1751f8e28db7b2a9bd50f0
// [end config]


/* FAIL - formal parameter lacks a name
 */
float a(float x, float )
{
  return x;
}


glsl spec section 6.1.1


Hence, function definitions can have unnamed arguments.


The const qualifier cannot be used with out or inout, or a compile-time error results.  The above is used 
both for function declarations (i.e., prototypes) and for function definitions.  Hence, function definitions 
can have unnamed arguments.



-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/piglit/attachments/20131126/78e0de06/attachment-0001.html>