| /* | |
| 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 | |
| struct gtf_FogParameters { | |
| vec4 color; | |
| float density; | |
| float start; | |
| float end; | |
| float scale; | |
| }; | |
| uniform gtf_FogParameters gtf_Fog; | |
| void main() | |
| { | |
| gtf_Fog.density = 1.0; // cannot modify a uniform | |
| } |