| #version 100 | |
| #extension GL_OES_standard_derivatives : enable | |
| /* | |
| * 8.8 - Fragment Processing Functions | |
| */ | |
| float dFdx(float p); | |
| vec2 dFdx(vec2 p); | |
| vec3 dFdx(vec3 p); | |
| vec4 dFdx(vec4 p); | |
| float dFdy(float p); | |
| vec2 dFdy(vec2 p); | |
| vec3 dFdy(vec3 p); | |
| vec4 dFdy(vec4 p); | |
| float fwidth(float p); | |
| vec2 fwidth(vec2 p); | |
| vec3 fwidth(vec3 p); | |
| vec4 fwidth(vec4 p); |