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authorChristoph Bumiller <e0425955@student.tuwien.ac.at>2011-01-21 16:46:36 +0100
committerChristoph Bumiller <e0425955@student.tuwien.ac.at>2011-01-23 13:03:00 +0100
commit49f16c96f150b192bfd6828ae4ba03afe3a7b8f3 (patch)
treef0e61a69a113a77f44b8575909dbae09988dd50b /src/gallium/drivers/nvc0/nvc0_push.c
parentc18aa3c73f11c80a1f92f99d4a697900945903b8 (diff)
nvc0: don't apply base vertex to per-instance arrays
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_push.c')
-rw-r--r--src/gallium/drivers/nvc0/nvc0_push.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_push.c b/src/gallium/drivers/nvc0/nvc0_push.c
index 74c3451c19..fcbb7da41a 100644
--- a/src/gallium/drivers/nvc0/nvc0_push.c
+++ b/src/gallium/drivers/nvc0/nvc0_push.c
@@ -217,6 +217,7 @@ nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
struct push_context ctx;
unsigned i, index_size;
unsigned inst = info->instance_count;
+ boolean apply_bias = info->indexed && info->index_bias;
ctx.chan = nvc0->screen->base.channel;
ctx.translate = nvc0->vertex->translate;
@@ -230,7 +231,8 @@ nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
data = nvc0_resource_map_offset(nvc0, res,
vb->buffer_offset, NOUVEAU_BO_RD);
- if (info->indexed)
+
+ if (apply_bias && likely(!(nvc0->vertex->instance_bufs & (1 << i))))
data += info->index_bias * vb->stride;
ctx.translate->set_buffer(ctx.translate, i, data, vb->stride, ~0);