static void
nv30_render_draw_elements(struct vbuf_render *render,
const ushort *indices, uint count)
{
struct nv30_render *r = nv30_render(render);
struct nv30_context *nv30 = r->nv30;
struct nouveau_pushbuf *push = nv30->screen->base.pushbuf;
unsigned i;
BEGIN_NV04(push, NV30_3D(VTXBUF(0)), r->vertex_info.num_attribs);
for (i = 0; i < r->vertex_info.num_attribs; i++) {
PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP,
nv04_resource(r->buffer), r->offset + r->vtxptr[i],
NOUVEAU_BO_LOW | NOUVEAU_BO_RD, 0, NV30_3D_VTXBUF_DMA1);
}
if (!nv30_state_validate(nv30, FALSE))
return;
BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
PUSH_DATA (push, r->prim);
if (count & 1) {
BEGIN_NV04(push, NV30_3D(VB_ELEMENT_U32), 1);
PUSH_DATA (push, *indices++);
}
count >>= 1;
while (count) {
unsigned npush = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN);
count -= npush;
BEGIN_NI04(push, NV30_3D(VB_ELEMENT_U16), npush);
while (npush--) {
PUSH_DATA(push, (indices[1] << 16) | indices[0]);
indices += 2;
}
}
BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
PUSH_DATA (push, NV30_3D_VERTEX_BEGIN_END_STOP);
PUSH_RESET(push, BUFCTX_VTXTMP);
}
static void
nv30_update_user_vbufs(struct nv30_context *nv30)
{
struct nouveau_pushbuf *push = nv30->base.pushbuf;
uint32_t base, offset, size;
int i;
uint32_t written = 0;
for (i = 0; i < nv30->vertex->num_elements; i++) {
struct pipe_vertex_element *ve = &nv30->vertex->pipe[i];
const int b = ve->vertex_buffer_index;
struct pipe_vertex_buffer *vb = &nv30->vtxbuf[b];
struct nv04_resource *buf = nv04_resource(vb->buffer);
if (!(nv30->vbo_user & (1 << b)))
continue;
if (!vb->stride) {
nv30_emit_vtxattr(nv30, vb, ve, i);
continue;
}
nv30_vbuf_range(nv30, b, &base, &size);
if (!(written & (1 << b))) {
written |= 1 << b;
nouveau_user_buffer_upload(&nv30->base, buf, base, size);
}
offset = vb->buffer_offset + ve->src_offset;
BEGIN_NV04(push, NV30_3D(VTXBUF(i)), 1);
PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP, buf, offset,
NOUVEAU_BO_LOW | NOUVEAU_BO_RD,
0, NV30_3D_VTXBUF_DMA1);
}
nv30->base.vbo_dirty = TRUE;
}
static void
nv30_render_draw_arrays(struct vbuf_render *render, unsigned start, uint nr)
{
struct nv30_render *r = nv30_render(render);
struct nv30_context *nv30 = r->nv30;
struct nouveau_pushbuf *push = nv30->base.pushbuf;
unsigned fn = nr >> 8, pn = nr & 0xff;
unsigned ps = fn + (pn ? 1 : 0);
unsigned i;
BEGIN_NV04(push, NV30_3D(VTXBUF(0)), r->vertex_info.num_attribs);
for (i = 0; i < r->vertex_info.num_attribs; i++) {
PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP,
nv04_resource(r->buffer), r->offset + r->vtxptr[i],
NOUVEAU_BO_LOW | NOUVEAU_BO_RD, 0, NV30_3D_VTXBUF_DMA1);
}
if (!nv30_state_validate(nv30, FALSE))
return;
BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
PUSH_DATA (push, r->prim);
BEGIN_NI04(push, NV30_3D(VB_VERTEX_BATCH), ps);
while (fn--) {
PUSH_DATA (push, 0xff000000 | start);
start += 256;
}
if (pn)
PUSH_DATA (push, ((pn - 1) << 24) | start);
BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1);
PUSH_DATA (push, NV30_3D_VERTEX_BEGIN_END_STOP);
PUSH_RESET(push, BUFCTX_VTXTMP);
}
void
nv30_vbo_validate(struct nv30_context *nv30)
{
struct nouveau_pushbuf *push = nv30->base.pushbuf;
struct nv30_vertex_stateobj *vertex = nv30->vertex;
struct pipe_vertex_element *ve;
struct pipe_vertex_buffer *vb;
unsigned i, redefine;
nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VTXBUF);
if (!nv30->vertex || nv30->draw_flags)
return;
if (unlikely(vertex->need_conversion)) {
nv30->vbo_fifo = ~0;
nv30->vbo_user = 0;
} else {
nv30_prevalidate_vbufs(nv30);
}
if (!PUSH_SPACE(push, 128))
return;
redefine = MAX2(vertex->num_elements, nv30->state.num_vtxelts);
BEGIN_NV04(push, NV30_3D(VTXFMT(0)), redefine);
for (i = 0; i < vertex->num_elements; i++) {
ve = &vertex->pipe[i];
vb = &nv30->vtxbuf[ve->vertex_buffer_index];
if (likely(vb->stride) || nv30->vbo_fifo)
PUSH_DATA (push, (vb->stride << 8) | vertex->element[i].state);
else
PUSH_DATA (push, NV30_3D_VTXFMT_TYPE_V32_FLOAT);
}
for (; i < nv30->state.num_vtxelts; i++) {
PUSH_DATA (push, NV30_3D_VTXFMT_TYPE_V32_FLOAT);
}
for (i = 0; i < vertex->num_elements; i++) {
struct nv04_resource *res;
unsigned offset;
boolean user;
ve = &vertex->pipe[i];
vb = &nv30->vtxbuf[ve->vertex_buffer_index];
user = (nv30->vbo_user & (1 << ve->vertex_buffer_index));
res = nv04_resource(vb->buffer);
if (nv30->vbo_fifo || unlikely(vb->stride == 0)) {
if (!nv30->vbo_fifo)
nv30_emit_vtxattr(nv30, vb, ve, i);
continue;
}
offset = ve->src_offset + vb->buffer_offset;
BEGIN_NV04(push, NV30_3D(VTXBUF(i)), 1);
PUSH_RESRC(push, NV30_3D(VTXBUF(i)), user ? BUFCTX_VTXTMP : BUFCTX_VTXBUF,
res, offset, NOUVEAU_BO_LOW | NOUVEAU_BO_RD,
0, NV30_3D_VTXBUF_DMA1);
}
nv30->state.num_vtxelts = vertex->num_elements;
}
