diff options
| -rw-r--r-- | src/gallium/auxiliary/indices/u_unfilled_gen.py | 4 | ||||
| -rw-r--r-- | src/gallium/auxiliary/indices/u_unfilled_indices.c | 7 |
2 files changed, 8 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/indices/u_unfilled_gen.py b/src/gallium/auxiliary/indices/u_unfilled_gen.py index 36896ce605d..085c47a114a 100644 --- a/src/gallium/auxiliary/indices/u_unfilled_gen.py +++ b/src/gallium/auxiliary/indices/u_unfilled_gen.py @@ -167,8 +167,8 @@ def trifan(intype, outtype): def polygon(intype, outtype): preamble(intype, outtype, prim='polygon') - print ' for (j = i = 0; j < nr; j+=6, i++) { ' - do_tri( intype, outtype, 'out+j', '0', 'i+1', 'i+2' ); + print ' for (j = i = 0; j < nr; j+=2, i++) { ' + line( intype, outtype, 'out+j', 'i', '(i+1)%(nr/2)' ) print ' }' postamble() diff --git a/src/gallium/auxiliary/indices/u_unfilled_indices.c b/src/gallium/auxiliary/indices/u_unfilled_indices.c index 26c5d4d4c72..c353717d656 100644 --- a/src/gallium/auxiliary/indices/u_unfilled_indices.c +++ b/src/gallium/auxiliary/indices/u_unfilled_indices.c @@ -71,6 +71,11 @@ static void generate_linear_uint( unsigned nr, } +/** + * Given a primitive type and number of vertices, return the number of vertices + * needed to draw the primitive with fill mode = PIPE_POLYGON_MODE_LINE using + * separate lines (PIPE_PRIM_LINES). + */ static unsigned nr_lines( unsigned prim, unsigned nr ) { @@ -86,7 +91,7 @@ static unsigned nr_lines( unsigned prim, case PIPE_PRIM_QUAD_STRIP: return (nr - 2) / 2 * 8; case PIPE_PRIM_POLYGON: - return (nr - 2) * 6; + return 2 * nr; /* a line (two verts) for each polygon edge */ default: assert(0); return 0; |