static struct ureg get_material( struct tnl_program *p, GLuint side,
GLuint property )
{
GLuint attrib = material_attrib(side, property);
if (p->color_materials & (1<<attrib))
return register_input(p, VERT_ATTRIB_COLOR0);
else if (p->materials & (1<<attrib))
return register_input( p, attrib + _TNL_ATTRIB_MAT_FRONT_AMBIENT );
else
return register_param3( p, STATE_MATERIAL, side, property );
}
static struct ureg get_lightprod( struct tnl_program *p, GLuint light,
GLuint side, GLuint property )
{
GLuint attrib = material_attrib(side, property);
if (p->materials & (1<<attrib)) {
struct ureg light_value =
register_param3(p, STATE_LIGHT, light, property);
struct ureg material_value = get_material(p, side, property);
struct ureg tmp = get_temp(p);
emit_op2(p, OPCODE_MUL, tmp, 0, light_value, material_value);
return tmp;
}
else
return register_param4(p, STATE_LIGHTPROD, light, side, property);
}
static struct ureg get_material( struct tnl_program *p, GLuint side,
GLuint property )
{
GLuint attrib = material_attrib(side, property);
if (p->color_materials & (1<<attrib))
return register_input(p, VERT_ATTRIB_COLOR0);
else if (p->materials & (1<<attrib)) {
/* Put material values in the GENERIC slots -- they are not used
* for anything in fixed function mode.
*/
return register_input( p, attrib + VERT_ATTRIB_GENERIC0 );
}
else
return register_param3( p, STATE_MATERIAL, side, property );
}
