| |
| /* |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| */ |
| |
| |
| #ifdef GL_ES |
| precision mediump float; |
| #endif |
| void main() |
| { |
| vec4 v = vec4(5,6,7,8); |
| // value changes for lhs |
| // 8765, 6758, 857, 75 i.e. replace v.zx |
| // value changes for rhs |
| // 8765, 6758, 86 i.e replace with v.wy |
| // replace v.z with v.w |
| // replace v.x with v.y |
| // add 1.000000 to v.w and v.y |
| v.wzyx.zywx.wzy.zy = (v.wzyx.zywx.wx)++; |
| gl_FragColor = vec4(v); // 6,7,8,9 |
| } |
