diff options
| author | José Fonseca <jfonseca@vmware.com> | 2010-04-19 18:14:04 +0200 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-04-19 18:14:04 +0200 |
| commit | 2197fac47cb1f87387820678357cc67c9a2536b9 (patch) | |
| tree | a23d704cdd4bcc8179a81bf4251b8039d43b4be4 /src/gallium/auxiliary/draw/draw_pt_vcache.c | |
| parent | 857c7c7ca266df4be8d4c725e056f69d4ee96624 (diff) | |
draw: Implement index bias.
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_vcache.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_vcache.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c index 757c487454..a513188b91 100644 --- a/src/gallium/auxiliary/draw/draw_pt_vcache.c +++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c @@ -329,6 +329,7 @@ static INLINE void vcache_check_run( struct draw_pt_front_end *frontend, pt_elt_func get_elt, const void *elts, + int elt_bias, unsigned draw_count ) { struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; @@ -362,8 +363,9 @@ vcache_check_run( struct draw_pt_front_end *frontend, } - if (min_index == 0 && - index_size == 2) + if (elt_bias <= 0 && + min_index == (unsigned)-elt_bias && + index_size == 2) { transformed_elts = (const ushort *)elts; } @@ -373,7 +375,8 @@ vcache_check_run( struct draw_pt_front_end *frontend, if (!storage) goto fail; - if (min_index == 0) { + if (elt_bias <= 0 && + min_index == (unsigned)-elt_bias) { switch(index_size) { case 1: translate_ubyte_elts( (const ubyte *)elts, @@ -404,21 +407,21 @@ vcache_check_run( struct draw_pt_front_end *frontend, case 1: rebase_ubyte_elts( (const ubyte *)elts, draw_count, - 0 - (int)min_index, + elt_bias - (int)min_index, storage ); break; case 2: rebase_ushort_elts( (const ushort *)elts, draw_count, - 0 - (int)min_index, + elt_bias - (int)min_index, storage ); break; case 4: rebase_uint_elts( (const uint *)elts, draw_count, - 0 - (int)min_index, + elt_bias - (int)min_index, storage ); break; @@ -447,7 +450,7 @@ vcache_check_run( struct draw_pt_front_end *frontend, fetch_count, draw_count); fail: - vcache_run( frontend, get_elt, elts, draw_count ); + vcache_run( frontend, get_elt, elts, elt_bias, draw_count ); } |