#version 410 compatibility
-uniform sampler2D gvis_tex;
+uniform sampler2D gvis_tex, field_tex;
uniform float gvis_scale;
void main()
{
- vec2 uv = gl_TexCoord[0].st * vec2(gvis_scale, gvis_scale);
+ vec2 uv = gl_TexCoord[0].st * vec2(gvis_scale, gvis_scale) * 10.0;
vec3 gridcol = texture2D(gvis_tex, uv).rgb;
- gl_FragColor.rgb = gridcol.rgb;
+ float foo = texture2D(field_tex, gl_TexCoord[0].st).x;
+
+ gl_FragColor.rgb = gridcol.rgb + vec3(0.0, foo, 0.0);
gl_FragColor.a = 1.0;
}