Mesa (master): u_vbuf_mgr: compute user buffer size for instance data from instance_count
Marek Olšák
mareko at kemper.freedesktop.org
Tue Mar 1 00:09:45 UTC 2011
Module: Mesa
Branch: master
Commit: fbedd9c73a2ad4bdded2d900244fd5ea5bcfad97
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=fbedd9c73a2ad4bdded2d900244fd5ea5bcfad97
Author: Marek Olšák <maraeo at gmail.com>
Date: Mon Feb 28 23:54:47 2011 +0100
u_vbuf_mgr: compute user buffer size for instance data from instance_count
---
src/gallium/auxiliary/util/u_vbuf_mgr.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_vbuf_mgr.c b/src/gallium/auxiliary/util/u_vbuf_mgr.c
index 3cf8ee0..7d157c9 100644
--- a/src/gallium/auxiliary/util/u_vbuf_mgr.c
+++ b/src/gallium/auxiliary/util/u_vbuf_mgr.c
@@ -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;
}
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