| Romain Guy | f9764a4 | 2010-07-16 23:13:33 -0700 | [diff] [blame^] | 1 | SHADER_SOURCE(gDrawLinearGradientVertexShader, |
| 2 | |||||
| 3 | attribute vec4 position; | ||||
| 4 | |||||
| 5 | uniform float gradientLength; | ||||
| 6 | uniform vec2 gradient; | ||||
| 7 | uniform mat4 transform; | ||||
| 8 | |||||
| 9 | varying float index; | ||||
| 10 | |||||
| 11 | void main(void) { | ||||
| 12 | gl_Position = transform * position; | ||||
| 13 | index = dot(gl_Position.xy, gradient) * gradientLength; | ||||
| 14 | } | ||||
| 15 | |||||
| 16 | ); | ||||