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u_vbuf_mgr: compute user buffer size for instance data from instance_count

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This commit is contained in:
Marek Olšák
2011-02-28 23:54:47 +01:00
parent 2f665885cd
commit fbedd9c73a
1 changed files with 7 additions and 3 deletions
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10
src/gallium/auxiliary/util/u_vbuf_mgr.c
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@@ -515,6 +515,7 @@ void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
static void u_vbuf_upload_buffers(struct u_vbuf_mgr_priv *mgr,
int min_index, int max_index,
unsigned instance_count,
boolean *upload_flushed)
{
int i, nr = mgr->ve->count;
@@ -530,10 +531,12 @@ static void u_vbuf_upload_buffers(struct u_vbuf_mgr_priv *mgr,
!uploaded[index]) {
unsigned first, size;
boolean flushed;
unsigned instance_div = mgr->ve->ve[i].instance_divisor;
if (mgr->ve->ve[i].instance_divisor) {
if (instance_div) {
first = 0;
size = vb->buffer->width0;
size = vb->stride *
((instance_count + instance_div - 1) / instance_div);
} else if (vb->stride) {
first = vb->stride * min_index;
size = vb->stride * count;
@@ -581,7 +584,8 @@ void u_vbuf_mgr_draw_begin(struct u_vbuf_mgr *mgrb,
/* Upload user buffers. */
if (mgr->any_user_vbs) {
u_vbuf_upload_buffers(mgr, min_index, max_index, &upload_flushed);
u_vbuf_upload_buffers(mgr, min_index, max_index, info->instance_count,
&upload_flushed);
bufs_updated = TRUE;
}