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draw: No need to rebase for elt_bias.

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As we are rebasing to min_index + elt_bias, and the vertex buffer has no
elt_bias.

I still don't know how to exercise this code. I hope this is now right.
This commit is contained in:
José Fonseca 2010-04-20 11:06:05 +02:00
parent 4e8154e866
commit 3dcdca433a
1 changed files with 5 additions and 7 deletions
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12
src/gallium/auxiliary/draw/draw_pt_vcache.c
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@ -366,8 +366,7 @@ vcache_check_run( struct draw_pt_front_end *frontend,
assert((elt_bias >= 0 && min_index + elt_bias >= min_index) ||
(elt_bias < 0 && min_index + elt_bias < min_index));
if (elt_bias <= 0 &&
min_index == (unsigned)-elt_bias &&
if (min_index == 0 &&
index_size == 2)
{
transformed_elts = (const ushort *)elts;
@ -378,8 +377,7 @@ vcache_check_run( struct draw_pt_front_end *frontend,
if (!storage)
goto fail;
if (elt_bias <= 0 &&
min_index == (unsigned)-elt_bias) {
if (min_index == 0) {
switch(index_size) {
case 1:
translate_ubyte_elts( (const ubyte *)elts,
@ -410,21 +408,21 @@ vcache_check_run( struct draw_pt_front_end *frontend,
case 1:
rebase_ubyte_elts( (const ubyte *)elts,
draw_count,
-elt_bias - (int)min_index,
0 - (int)min_index,
storage );
break;
case 2:
rebase_ushort_elts( (const ushort *)elts,
draw_count,
-elt_bias - (int)min_index,
0 - (int)min_index,
storage );
break;
case 4:
rebase_uint_elts( (const uint *)elts,
draw_count,
-elt_bias - (int)min_index,
0 - (int)min_index,
storage );
break;