static void Key(unsigned char key, int x, int y)
{
switch (key) {
case 27:
exit(1);
case '1':
mode1 = !mode1;
break;
case '2':
mode2 = !mode2;
break;
case '3':
RotateColorMask();
break;
case 'p':
if (provoking == GL_FIRST_VERTEX_CONVENTION_EXT) {
printf("provoke last\n");
provoking = GL_LAST_VERTEX_CONVENTION_EXT;
}
else {
printf("provoke first\n");
provoking = GL_FIRST_VERTEX_CONVENTION_EXT;
}
glProvokingVertexEXT(provoking);
break;
default:
return;
}
glutPostRedisplay();
}
static void CALLBACK KeyPress3(void)
{
RotateColorMask();
}
