RetroArch/shaders/comp/cfg-preserve-parameter.comp

#version 310 es

// We write in all paths (and no reads), so should just be out.
void out_test_0(int cond, inout int i)
{
   if (cond == 0)
      i = 40;
   else
      i = 60;
}

// We write in all paths (and no reads), so should just be out.
void out_test_1(int cond, inout int i)
{
   switch (cond)
   {
      case 40:
         i = 40;
         break;

      default:
         i = 70;
         break;
   }
}

// We don't write in all paths, so should be inout.
void inout_test_0(int cond, inout int i)
{
   if (cond == 0)
      i = 40;
}

void inout_test_1(int cond, inout int i)
{
   switch (cond)
   {
      case 40:
         i = 40;
         break;
   }
}


void main()
{
   int cond = 40;
   int i = 50;

   out_test_0(cond, i);
   out_test_1(cond, i);
   inout_test_0(cond, i);
   inout_test_1(cond, i);
}