Pixel-Composer/shaders/sh_channel_R/sh_channel_R.fsh
2022-01-13 11:24:03 +07:00

11 lines
211 B
GLSL

//
// Simple passthrough fragment shader
//
varying vec2 v_vTexcoord;
varying vec4 v_vColour;
void main() {
vec4 col = texture2D( gm_BaseTexture, v_vTexcoord);
gl_FragColor = vec4(col.r, 0., 0., col.a);
}