demos/forestpond/data/fluidsim_fill.glsl

   1 import msp_interface;
   2
   3 #pragma MSP stage(compute)
   4 layout(local_size_x=8, local_size_y=8) in;
   5
   6 uniform sampler2D bottom;
   7 layout(r32f) uniform image2D surface_out;
   8 layout(rg32f) uniform image2D velocity_out;
   9
  10 void main()
  11 {
  12         ivec2 coord = ivec2(gl_GlobalInvocationID.xy);
  13         float surface = max(texelFetch(bottom, coord, 0).x, 0.0);
  14         imageStore(surface_out, coord, vec4(surface, 0.0, 0.0, 0.0));
  15         imageStore(velocity_out, coord, vec4(0.0));
  16 }