progs/vpglsl/varfor1f.glsl

   1 const int KernelSize = 16;
   2 uniform float KernelValue1f[KernelSize];
   3
   4 void main(void)
   5 {
   6     int i;
   7     vec4 sum = vec4(0.0);
   8     vec4 tmp = gl_Color;
   9     gl_Position = gl_Vertex;
  10
  11     for (i = 0; i < KernelSize; ++i) {
  12         float x, y, z, w;
  13
  14         x = KernelValue1f[i]; ++i;
  15         y = KernelValue1f[i]; ++i;
  16         z = KernelValue1f[i]; ++i;
  17         w = KernelValue1f[i];
  18
  19         sum += tmp * vec4(x, y, z, w);
  20     }
  21     gl_FrontColor = sum;
  22 }