diff options
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_prim_setup.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_prim_vbuf.c | 28 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.c | 26 | ||||
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.h | 10 |
4 files changed, 30 insertions, 35 deletions
diff --git a/src/gallium/drivers/softpipe/sp_prim_setup.c b/src/gallium/drivers/softpipe/sp_prim_setup.c index 6fe463b74c7..0ddb06764af 100644 --- a/src/gallium/drivers/softpipe/sp_prim_setup.c +++ b/src/gallium/drivers/softpipe/sp_prim_setup.c @@ -71,7 +71,6 @@ do_tri(struct draw_stage *stage, struct prim_header *prim) struct setup_stage *setup = setup_stage( stage ); setup_tri( setup->setup, - prim->det, prim->v[0]->data, prim->v[1]->data, prim->v[2]->data ); diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c index 74cd675908c..4fed19ecb6d 100644 --- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c +++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c @@ -119,25 +119,6 @@ sp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim) } -/** - * Recalculate prim's determinant. This is needed as we don't have - * get this information through the vbuf_render interface & we must - * calculate it here. - */ -static float -calc_det( const float (*v0)[4], - const float (*v1)[4], - const float (*v2)[4] ) -{ - /* edge vectors e = v0 - v2, f = v1 - v2 */ - const float ex = v0[0][0] - v2[0][0]; - const float ey = v0[0][1] - v2[0][1]; - const float fx = v1[0][0] - v2[0][0]; - const float fy = v1[0][1] - v2[0][1]; - - /* det = cross(e,f).z */ - return ex * fy - ey * fx; -} static void @@ -169,7 +150,6 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr_indices) indices[i+j] * vertex_size); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2]); @@ -254,7 +234,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i + 1); v[2] = VERTEX(i + 2); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -267,7 +246,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i - 1); v[2] = VERTEX(i); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -280,7 +258,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i - 1); v[2] = VERTEX(i); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -293,7 +270,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i + 1); v[2] = VERTEX(i + 2); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -302,7 +278,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i + 2); v[2] = VERTEX(i + 3); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -315,7 +290,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i); v[2] = VERTEX(i + 1); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -324,7 +298,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i + 1); v[2] = VERTEX(i - 1); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); @@ -337,7 +310,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) v[1] = VERTEX(i - 1); v[2] = VERTEX(i); setup_tri( setup_ctx, - calc_det(v[0], v[1], v[2]), v[0], v[1], v[2] ); diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index 5a307888504..0164d0588d6 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -696,14 +696,36 @@ static void subtriangle( struct setup_context *setup, /** + * Recalculate prim's determinant. This is needed as we don't have + * get this information through the vbuf_render interface & we must + * calculate it here. + */ +static float +calc_det( const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4] ) +{ + /* edge vectors e = v0 - v2, f = v1 - v2 */ + const float ex = v0[0][0] - v2[0][0]; + const float ey = v0[0][1] - v2[0][1]; + const float fx = v1[0][0] - v2[0][0]; + const float fy = v1[0][1] - v2[0][1]; + + /* det = cross(e,f).z */ + return ex * fy - ey * fx; +} + + +/** * Do setup for triangle rasterization, then render the triangle. */ void setup_tri( struct setup_context *setup, - float det, const float (*v0)[4], const float (*v1)[4], const float (*v2)[4] ) { + float det = calc_det(v0, v1, v2); + /* debug_printf("%s\n", __FUNCTION__ ); */ @@ -713,6 +735,8 @@ void setup_tri( struct setup_context *setup, setup->numFragsWritten = 0; #endif + + if (cull_tri( setup, det )) return; diff --git a/src/gallium/drivers/softpipe/sp_setup.h b/src/gallium/drivers/softpipe/sp_setup.h index 3133fc2a3d5..d54f3344288 100644 --- a/src/gallium/drivers/softpipe/sp_setup.h +++ b/src/gallium/drivers/softpipe/sp_setup.h @@ -30,11 +30,11 @@ struct setup_context; struct softpipe_context; -void setup_tri( struct setup_context *setup, - float det, - const float (*v0)[4], - const float (*v1)[4], - const float (*v2)[4] ); +void +setup_tri( struct setup_context *setup, + const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4] ); void setup_line(struct setup_context *setup, |