- sp_setup_pos_vector(quad->posCoef,
- (float)quad->input.x0, (float)quad->input.y0,
- &machine->QuadPos);
-
- return tgsi_exec_machine_run( machine );
-}
+ setup_pos_vector(quad->posCoef,
+ (float)quad->input.x0, (float)quad->input.y0,
+ &machine->QuadPos);
+
+ /* convert 0 to 1.0 and 1 to -1.0 */
+ machine->Face = (float) (quad->input.facing * -2 + 1);
+
+ quad->inout.mask &= tgsi_exec_machine_run( machine );
+ if (quad->inout.mask == 0)
+ return FALSE;
+
+ /* store outputs */
+ {
+ const ubyte *sem_name = base->info.output_semantic_name;
+ const ubyte *sem_index = base->info.output_semantic_index;
+ const uint n = base->info.num_outputs;
+ uint i;
+ for (i = 0; i < n; i++) {
+ switch (sem_name[i]) {
+ case TGSI_SEMANTIC_COLOR:
+ {
+ uint cbuf = sem_index[i];
+ memcpy(quad->output.color[cbuf],
+ &machine->Outputs[i].xyzw[0].f[0],
+ sizeof(quad->output.color[0]) );
+ }
+ break;
+ case TGSI_SEMANTIC_POSITION:
+ {
+ uint j;
+ for (j = 0; j < 4; j++) {
+ quad->output.depth[j] = machine->Outputs[i].xyzw[2].f[j];
+ }
+ }
+ break;
+ }
+ }
+ }