void
nvc0_tfb_validate(struct nvc0_context *nvc0)
{
struct nouveau_pushbuf *push = nvc0->base.pushbuf;
struct nvc0_transform_feedback_state *tfb;
unsigned b;
if (nvc0->gmtyprog) tfb = nvc0->gmtyprog->tfb;
else
if (nvc0->tevlprog) tfb = nvc0->tevlprog->tfb;
else
tfb = nvc0->vertprog->tfb;
IMMED_NVC0(push, NVC0_3D(TFB_ENABLE), (tfb && nvc0->num_tfbbufs) ? 1 : 0);
if (tfb && tfb != nvc0->state.tfb) {
for (b = 0; b < 4; ++b) {
if (tfb->varying_count[b]) {
unsigned n = (tfb->varying_count[b] + 3) / 4;
BEGIN_NVC0(push, NVC0_3D(TFB_STREAM(b)), 3);
PUSH_DATA (push, 0);
PUSH_DATA (push, tfb->varying_count[b]);
PUSH_DATA (push, tfb->stride[b]);
BEGIN_NVC0(push, NVC0_3D(TFB_VARYING_LOCS(b, 0)), n);
PUSH_DATAp(push, tfb->varying_index[b], n);
if (nvc0->tfbbuf[b])
nvc0_so_target(nvc0->tfbbuf[b])->stride = tfb->stride[b];
} else {
IMMED_NVC0(push, NVC0_3D(TFB_VARYING_COUNT(b)), 0);
}
}
}
nvc0->state.tfb = tfb;
if (!(nvc0->dirty & NVC0_NEW_TFB_TARGETS))
return;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_TFB);
for (b = 0; b < nvc0->num_tfbbufs; ++b) {
struct nvc0_so_target *targ = nvc0_so_target(nvc0->tfbbuf[b]);
struct nv04_resource *buf = nv04_resource(targ->pipe.buffer);
if (tfb)
targ->stride = tfb->stride[b];
if (!(nvc0->tfbbuf_dirty & (1 << b)))
continue;
if (!targ->clean)
nvc0_query_fifo_wait(push, targ->pq);
BEGIN_NVC0(push, NVC0_3D(TFB_BUFFER_ENABLE(b)), 5);
PUSH_DATA (push, 1);
PUSH_DATAh(push, buf->address + targ->pipe.buffer_offset);
PUSH_DATA (push, buf->address + targ->pipe.buffer_offset);
PUSH_DATA (push, targ->pipe.buffer_size);
if (!targ->clean) {
nvc0_query_pushbuf_submit(push, targ->pq, 0x4);
} else {
PUSH_DATA(push, 0); /* TFB_BUFFER_OFFSET */
targ->clean = FALSE;
}
BCTX_REFN(nvc0->bufctx_3d, TFB, buf, WR);
}
for (; b < 4; ++b)
IMMED_NVC0(push, NVC0_3D(TFB_BUFFER_ENABLE(b)), 0);
}
void
nvc0_tfb_validate(struct nvc0_context *nvc0)
{
struct nouveau_channel *chan = nvc0->screen->base.channel;
struct nvc0_transform_feedback_state *tfb;
unsigned b, n, i;
if (nvc0->gmtyprog) tfb = nvc0->gmtyprog->tfb;
else
if (nvc0->tevlprog) tfb = nvc0->tevlprog->tfb;
else
tfb = nvc0->vertprog->tfb;
IMMED_RING(chan, RING_3D(TFB_ENABLE), (tfb && nvc0->num_tfbbufs) ? 1 : 0);
if (tfb && tfb != nvc0->state.tfb) {
uint8_t var[128];
for (n = 0, b = 0; b < 4; n += tfb->varying_count[b++]) {
if (tfb->varying_count[b]) {
BEGIN_RING(chan, RING_3D(TFB_STREAM(b)), 3);
OUT_RING (chan, 0);
OUT_RING (chan, tfb->varying_count[b]);
OUT_RING (chan, tfb->stride[b]);
for (i = 0; i < tfb->varying_count[b]; ++i)
var[i] = tfb->varying_index[n + i];
for (; i & 3; ++i)
var[i] = 0; /* zero rest of method word bits */
BEGIN_RING(chan, RING_3D(TFB_VARYING_LOCS(b, 0)), i / 4);
OUT_RINGp (chan, var, i / 4);
if (nvc0->tfbbuf[b])
nvc0_so_target(nvc0->tfbbuf[b])->stride = tfb->stride[b];
} else {
IMMED_RING(chan, RING_3D(TFB_VARYING_COUNT(b)), 0);
}
}
}
nvc0->state.tfb = tfb;
if (!(nvc0->dirty & NVC0_NEW_TFB_TARGETS))
return;
nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_TFB);
for (b = 0; b < nvc0->num_tfbbufs; ++b) {
struct nvc0_so_target *targ = nvc0_so_target(nvc0->tfbbuf[b]);
struct nv04_resource *buf = nv04_resource(targ->pipe.buffer);
if (tfb)
targ->stride = tfb->stride[b];
if (!(nvc0->tfbbuf_dirty & (1 << b)))
continue;
if (!targ->clean)
nvc0_query_fifo_wait(chan, targ->pq);
BEGIN_RING(chan, RING_3D(TFB_BUFFER_ENABLE(b)), 5);
OUT_RING (chan, 1);
OUT_RESRCh(chan, buf, targ->pipe.buffer_offset, NOUVEAU_BO_WR);
OUT_RESRCl(chan, buf, targ->pipe.buffer_offset, NOUVEAU_BO_WR);
OUT_RING (chan, targ->pipe.buffer_size);
if (!targ->clean) {
nvc0_query_pushbuf_submit(chan, targ->pq, 0x4);
} else {
OUT_RING(chan, 0); /* TFB_BUFFER_OFFSET */
targ->clean = FALSE;
}
nvc0_bufctx_add_resident(nvc0, NVC0_BUFCTX_TFB, buf, NOUVEAU_BO_WR);
}
for (; b < 4; ++b)
IMMED_RING(chan, RING_3D(TFB_BUFFER_ENABLE(b)), 0);
}