tests/glsl/expression_inline_iteration.glsl

   1 #pragma MSP stage(vertex)
   2 layout(location=0) in vec4 position;
   3 layout(location=1) in vec3 direction;
   4 void main()
   5 {
   6         vec3 p = position.xyz;
   7         int step = -1;
   8         for(int i=0; i<10; ++i)
   9         {
  10                 float scale = 2.0;
  11                 p += direction*scale;
  12                 if(p.z<0.0)
  13                         break;
  14                 step = i;
  15         }
  16         gl_Position = position+vec4(step, 0.0, 0.0, 0.0);
  17 }
  18
  19 /* Expected output: vertex
  20 layout(location=0) in vec4 position;
  21 layout(location=1) in vec3 direction;
  22 void main()
  23 {
  24         vec3 p = position.xyz;
  25         int step = -1;
  26         for(int i=0; i<10; ++i)
  27         {
  28                 p += direction*2.0;
  29                 if(p.z<0.0)
  30                         break;
  31                 step = i;
  32         }
  33         gl_Position = position+vec4(float(step), 0.0, 0.0, 0.0);
  34 }
  35 */