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authorChristoph Bumiller <e0425955@student.tuwien.ac.at>2011-10-20 22:42:59 +0200
committerChristoph Bumiller <e0425955@student.tuwien.ac.at>2011-10-21 23:00:40 +0200
commitd988361ead27ce61615669bd428b04d2aac7af4f (patch)
treecf038c67142bf4352489fd0a80bb89df76c58c97 /src/gallium/drivers/nv50/nv50_transfer.c
parent28271fd00dc5dd83f95b5cb890e0ab2c0ff6159d (diff)
nouveau,nvc0: fix/improve handling of multiple constant buffers
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_transfer.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_transfer.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_transfer.c b/src/gallium/drivers/nv50/nv50_transfer.c
index c86c417c071..6f860e73348 100644
--- a/src/gallium/drivers/nv50/nv50_transfer.c
+++ b/src/gallium/drivers/nv50/nv50_transfer.c
@@ -364,3 +364,36 @@ nv50_miptree_transfer_unmap(struct pipe_context *pctx,
nouveau_bo_unmap(tx->rect[1].bo);
}
+void
+nv50_cb_push(struct nouveau_context *nv,
+ struct nouveau_bo *bo, unsigned domain,
+ unsigned base, unsigned size,
+ unsigned offset, unsigned words, const uint32_t *data)
+{
+ struct nouveau_channel *chan = nv->screen->channel;
+
+ assert(!(offset & 3));
+ size = align(size, 0x100);
+
+ while (words) {
+ unsigned nr;
+
+ MARK_RING(chan, 24, 2);
+ nr = AVAIL_RING(chan);
+ nr = MIN2(nr - 7, words);
+ nr = MIN2(nr, NV04_PFIFO_MAX_PACKET_LEN - 1);
+
+ BEGIN_RING(chan, RING_3D(CB_DEF_ADDRESS_HIGH), 3);
+ OUT_RELOCh(chan, bo, base, domain | NOUVEAU_BO_WR);
+ OUT_RELOCl(chan, bo, base, domain | NOUVEAU_BO_WR);
+ OUT_RING (chan, (NV50_CB_TMP << 16) | (size & 0xffff));
+ BEGIN_RING(chan, RING_3D(CB_ADDR), 1);
+ OUT_RING (chan, (offset << 6) | NV50_CB_TMP);
+ BEGIN_RING_NI(chan, RING_3D(CB_DATA(0)), nr);
+ OUT_RINGp (chan, data, nr);
+
+ words -= nr;
+ data += nr;
+ offset += nr * 4;
+ }
+}