}
-
-
static void cull_tri( struct draw_stage *stage,
struct prim_header *header )
{
const float *v1 = header->v[1]->data[pos];
const float *v2 = header->v[2]->data[pos];
- /* edge vectors e = v0 - v2, f = v1 - v2 */
+ /* edge vectors: e = v0 - v2, f = v1 - v2 */
const float ex = v0[0] - v2[0];
const float ey = v0[1] - v2[1];
const float fx = v1[0] - v2[0];
header->det = ex * fy - ey * fx;
if (header->det != 0) {
- /* if (det < 0 then Z points toward camera and triangle is
+ /* if det < 0 then Z points toward the camera and the triangle is
* counter-clockwise winding.
*/
unsigned winding = (header->det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW;
}
}
+
static void cull_first_tri( struct draw_stage *stage,
struct prim_header *header )
{
}
-
static void cull_flush( struct draw_stage *stage, unsigned flags )
{
stage->tri = cull_first_tri;
stage->next->flush( stage->next, flags );
}
+
static void cull_reset_stipple_counter( struct draw_stage *stage )
{
stage->next->reset_stipple_counter( stage->next );
return &cull->stage;
- fail:
+fail:
if (cull)
cull->stage.destroy( &cull->stage );