diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_prim_vbuf.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_prim_vbuf.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c index eef6e5806c..06725fd09b 100644 --- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c +++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c @@ -236,7 +236,6 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) } break; - case PIPE_PRIM_TRIANGLES: for (i = 2; i < nr; i += 3) { setup_tri( setup_ctx, @@ -256,7 +255,6 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) break; case PIPE_PRIM_TRIANGLE_FAN: - case PIPE_PRIM_POLYGON: for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, indices[0], stride), @@ -264,6 +262,7 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) get_vert(vertex_buffer, indices[i-0], stride)); } break; + case PIPE_PRIM_QUADS: for (i = 3; i < nr; i += 4) { setup_tri( setup_ctx, @@ -277,6 +276,7 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) get_vert(vertex_buffer, indices[i-0], stride)); } break; + case PIPE_PRIM_QUAD_STRIP: for (i = 3; i < nr; i += 2) { setup_tri( setup_ctx, @@ -290,6 +290,16 @@ sp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr) get_vert(vertex_buffer, indices[i-0], stride)); } break; + + case PIPE_PRIM_POLYGON: + for (i = 2; i < nr; i += 1) { + setup_tri( setup_ctx, + get_vert(vertex_buffer, indices[0-1], stride), + get_vert(vertex_buffer, indices[i-0], stride), + get_vert(vertex_buffer, indices[0], stride)); + } + break; + default: assert(0); } @@ -378,7 +388,6 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) break; case PIPE_PRIM_TRIANGLE_FAN: - case PIPE_PRIM_POLYGON: for (i = 2; i < nr; i += 1) { setup_tri( setup_ctx, get_vert(vertex_buffer, 0, stride), @@ -386,6 +395,7 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) get_vert(vertex_buffer, i-0, stride)); } break; + case PIPE_PRIM_QUADS: for (i = 3; i < nr; i += 4) { setup_tri( setup_ctx, @@ -412,6 +422,20 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr) get_vert(vertex_buffer, i-0, stride)); } break; + + case PIPE_PRIM_POLYGON: + /* Almost same as tri fan but the _first_ vertex specifies the flat + * shading color. Note that the first polygon vertex is passed as + * the last triangle vertex here. + */ + for (i = 2; i < nr; i += 1) { + setup_tri( setup_ctx, + get_vert(vertex_buffer, i-1, stride), + get_vert(vertex_buffer, i-0, stride), + get_vert(vertex_buffer, 0, stride)); + } + break; + default: assert(0); } |