static boolean
nv30_render_validate(struct nv30_context *nv30)
{
struct nv30_render *r = nv30_render(nv30->draw->render);
struct nv30_rasterizer_stateobj *rast = nv30->rast;
struct pipe_screen *pscreen = &nv30->screen->base.base;
struct nouveau_pushbuf *push = nv30->screen->base.pushbuf;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nv30_vertprog *vp = nv30->vertprog.program;
struct vertex_info *vinfo = &r->vertex_info;
unsigned vp_attribs = 0;
unsigned vp_results = 0;
unsigned attrib = 0;
unsigned pntc;
int i;
if (!r->vertprog) {
struct nouveau_heap *heap = nv30_screen(pscreen)->vp_exec_heap;
if (nouveau_heap_alloc(heap, 16, &r->vertprog, &r->vertprog)) {
while (heap->next && heap->size < 16) {
struct nouveau_heap **evict = heap->next->priv;
nouveau_heap_free(evict);
}
if (nouveau_heap_alloc(heap, 16, &r->vertprog, &r->vertprog))
return FALSE;
}
}
vinfo->num_attribs = 0;
vinfo->size = 0;
/* setup routing for all necessary vp outputs */
for (i = 0; i < vp->info.num_outputs && attrib < 16; i++) {
uint semantic = vp->info.output_semantic_name[i];
uint index = vp->info.output_semantic_index[i];
if (vroute_add(r, attrib, semantic, &index)) {
vp_attribs |= (1 << attrib++);
vp_results |= index;
}
}
/* setup routing for replaced point coords not written by vp */
if (rast && rast->pipe.point_quad_rasterization)
pntc = rast->pipe.sprite_coord_enable & 0x000002ff;
else
pntc = 0;
while (pntc && attrib < 16) {
uint index = ffs(pntc) - 1; pntc &= ~(1 << index);
if (vroute_add(r, attrib, TGSI_SEMANTIC_TEXCOORD, &index)) {
vp_attribs |= (1 << attrib++);
vp_results |= index;
}
}
/* modify vertex format for correct stride, and stub out unused ones */
BEGIN_NV04(push, NV30_3D(VP_UPLOAD_FROM_ID), 1);
PUSH_DATA (push, r->vertprog->start);
r->vtxprog[attrib - 1][3] |= 1;
for (i = 0; i < attrib; i++) {
BEGIN_NV04(push, NV30_3D(VP_UPLOAD_INST(0)), 4);
PUSH_DATAp(push, r->vtxprog[i], 4);
r->vtxfmt[i] |= vinfo->size << 8;
}
for (; i < 16; i++)
r->vtxfmt[i] = NV30_3D_VTXFMT_TYPE_V32_FLOAT;
BEGIN_NV04(push, NV30_3D(VIEWPORT_TRANSLATE_X), 8);
PUSH_DATAf(push, 0.0);
PUSH_DATAf(push, 0.0);
PUSH_DATAf(push, 0.0);
PUSH_DATAf(push, 0.0);
PUSH_DATAf(push, 1.0);
PUSH_DATAf(push, 1.0);
PUSH_DATAf(push, 1.0);
PUSH_DATAf(push, 1.0);
BEGIN_NV04(push, NV30_3D(DEPTH_RANGE_NEAR), 2);
PUSH_DATAf(push, 0.0);
PUSH_DATAf(push, 1.0);
BEGIN_NV04(push, NV30_3D(VTXFMT(0)), 16);
PUSH_DATAp(push, r->vtxfmt, 16);
BEGIN_NV04(push, NV30_3D(VP_START_FROM_ID), 1);
PUSH_DATA (push, r->vertprog->start);
BEGIN_NV04(push, NV30_3D(ENGINE), 1);
PUSH_DATA (push, 0x00000103);
if (eng3d->oclass >= NV40_3D_CLASS) {
BEGIN_NV04(push, NV40_3D(VP_ATTRIB_EN), 2);
PUSH_DATA (push, vp_attribs);
PUSH_DATA (push, vp_results);
}
vinfo->size /= 4;
return TRUE;
}
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;
}