File: sampler-02.frag

package info (click to toggle)
piglit 0~git20200212-f4710c51b-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 106,972 kB
  • sloc: ansic: 263,763; xml: 48,941; python: 29,918; lisp: 19,789; cpp: 12,142; sh: 22; makefile: 20; pascal: 5
file content (22 lines) | stat: -rw-r--r-- 421 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// [config]
// expect_result: fail
// glsl_version: 1.10
//
// [end config]

/* FAIL
 *
 * From page 17 (page 23 of the PDF) of the GLSL 1.20 spec:
 *
 *    "Samplers cannot be treated as l-values; hence cannot be used as
 *     out or inout function parameters, nor can they be assigned into."
 */

uniform sampler2D tex;
varying vec2 coord;

void main()
{
  sampler2D t2 = tex;
  gl_FragColor = texture2D(t2, coord);
}