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-rw-r--r--src/gallium/auxiliary/draw/draw_pt_vsplit_tmp.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_vsplit_tmp.h b/src/gallium/auxiliary/draw/draw_pt_vsplit_tmp.h
index 75dba8c39a5..228da68d411 100644
--- a/src/gallium/auxiliary/draw/draw_pt_vsplit_tmp.h
+++ b/src/gallium/auxiliary/draw/draw_pt_vsplit_tmp.h
@@ -47,13 +47,18 @@ CONCAT(vsplit_primitive_, ELT_TYPE)(struct vsplit_frontend *vsplit,
const ushort *draw_elts = NULL;
unsigned i;
+ ib += istart;
+
+ fetch_start = min_index + elt_bias;
+ fetch_count = max_index - min_index + 1;
+
/* use the ib directly */
if (min_index == 0 && sizeof(ib[0]) == sizeof(draw_elts[0])) {
if (icount > vsplit->max_vertices)
return FALSE;
for (i = 0; i < icount; i++) {
- ELT_TYPE idx = ib[istart + i];
+ ELT_TYPE idx = ib[i];
assert(idx >= min_index && idx <= max_index);
}
draw_elts = (const ushort *) ib;
@@ -65,7 +70,7 @@ CONCAT(vsplit_primitive_, ELT_TYPE)(struct vsplit_frontend *vsplit,
}
/* this is faster only when we fetch less elements than the normal path */
- if (max_index - min_index > icount - 1)
+ if (fetch_count > icount)
return FALSE;
if (elt_bias < 0 && min_index < -elt_bias)
@@ -77,13 +82,10 @@ CONCAT(vsplit_primitive_, ELT_TYPE)(struct vsplit_frontend *vsplit,
return FALSE;
}
- fetch_start = min_index + elt_bias;
- fetch_count = max_index - min_index + 1;
-
if (!draw_elts) {
if (min_index == 0) {
for (i = 0; i < icount; i++) {
- ELT_TYPE idx = ib[istart + i];
+ ELT_TYPE idx = ib[i];
assert(idx >= min_index && idx <= max_index);
vsplit->draw_elts[i] = (ushort) idx;