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| author | Keith Whitwell <keith@tungstengraphics.com> | 2008-04-14 16:18:00 +0100 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-04-14 16:18:00 +0100 |
| commit | 871d39ec8c168fa58d8758013e99da63fa58111d (patch) | |
| tree | b57a16a3fe6bd124b9ee350e7d9fb0f0e681a386 /src/gallium/drivers/softpipe/sp_prim_vbuf.c | |
| parent | 8cbda9f1088718e5dbb97b9a6ddcc43737f94351 (diff) | |
softpipe: calculate determinant for all triangles, don't rely on draw module to do it
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_prim_vbuf.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_prim_vbuf.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c index 74cd675908..4fed19ecb6 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] ); |