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nv50: fix instancing of client-side vertex buffers

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8396>
This commit is contained in:
Ilia Mirkin 2021-01-07 20:39:54 -05:00 • committed by Marge Bot
parent 73fa50452c
commit f763d0f195
1 changed files with 4 additions and 3 deletions
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7
src/gallium/drivers/nouveau/nv50/nv50_vbo.c
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@ -189,9 +189,10 @@ nv50_user_vbuf_range(struct nv50_context *nv50, unsigned vbi,
{
assert(vbi < PIPE_MAX_ATTRIBS);
if (unlikely(nv50->vertex->instance_bufs & (1 << vbi))) {
/* TODO: use min and max instance divisor to get a proper range */
*base = 0;
*size = nv50->vtxbuf[vbi].buffer.resource->width0;
const uint32_t div = nv50->vertex->min_instance_div[vbi];
*base = nv50->instance_off * nv50->vtxbuf[vbi].stride;
*size = (nv50->instance_max / div) * nv50->vtxbuf[vbi].stride +
nv50->vertex->vb_access_size[vbi];
} else {
/* NOTE: if there are user buffers, we *must* have index bounds */
assert(nv50->vb_elt_limit != ~0);