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draw: Fix cache elt_bias implementation.

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This commit is contained in:
José Fonseca 2010-04-20 10:32:06 +02:00
parent 493a1bb822
commit 4e8154e866
1 changed files with 8 additions and 5 deletions
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13
src/gallium/auxiliary/draw/draw_pt_vcache.c
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@ -347,7 +347,7 @@ vcache_check_run( struct draw_pt_front_end *frontend,
vcache->fetch_max,
draw_count);
if (max_index >= DRAW_PIPE_MAX_VERTICES ||
if (elt_bias + max_index >= DRAW_PIPE_MAX_VERTICES ||
fetch_count >= UNDEFINED_VERTEX_ID ||
fetch_count > draw_count) {
if (0) debug_printf("fail\n");
@ -363,6 +363,9 @@ 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 &&
index_size == 2)
@ -407,21 +410,21 @@ vcache_check_run( struct draw_pt_front_end *frontend,
case 1:
rebase_ubyte_elts( (const ubyte *)elts,
draw_count,
elt_bias - (int)min_index,
-elt_bias - (int)min_index,
storage );
break;
case 2:
rebase_ushort_elts( (const ushort *)elts,
draw_count,
elt_bias - (int)min_index,
-elt_bias - (int)min_index,
storage );
break;
case 4:
rebase_uint_elts( (const uint *)elts,
draw_count,
elt_bias - (int)min_index,
-elt_bias - (int)min_index,
storage );
break;
@ -436,7 +439,7 @@ vcache_check_run( struct draw_pt_front_end *frontend,
if (fetch_count < UNDEFINED_VERTEX_ID)
ok = vcache->middle->run_linear_elts( vcache->middle,
min_index, /* start */
min_index + elt_bias, /* start */
fetch_count,
transformed_elts,
draw_count );