static void *
nv30_vertex_state_create(struct pipe_context *pipe, unsigned num_elements,
const struct pipe_vertex_element *elements)
{
struct nv30_vertex_stateobj *so;
struct translate_key transkey;
unsigned i;
assert(num_elements);
so = MALLOC(sizeof(*so) + sizeof(*so->element) * num_elements);
if (!so)
return NULL;
memcpy(so->pipe, elements, sizeof(*elements) * num_elements);
so->num_elements = num_elements;
so->need_conversion = FALSE;
transkey.nr_elements = 0;
transkey.output_stride = 0;
for (i = 0; i < num_elements; i++) {
const struct pipe_vertex_element *ve = &elements[i];
const unsigned vbi = ve->vertex_buffer_index;
enum pipe_format fmt = ve->src_format;
so->element[i].state = nv30_vtxfmt(pipe->screen, fmt)->hw;
if (!so->element[i].state) {
switch (util_format_get_nr_components(fmt)) {
case 1: fmt = PIPE_FORMAT_R32_FLOAT; break;
case 2: fmt = PIPE_FORMAT_R32G32_FLOAT; break;
case 3: fmt = PIPE_FORMAT_R32G32B32_FLOAT; break;
case 4: fmt = PIPE_FORMAT_R32G32B32A32_FLOAT; break;
default:
assert(0);
return NULL;
}
so->element[i].state = nv30_vtxfmt(pipe->screen, fmt)->hw;
so->need_conversion = TRUE;
}
if (1) {
unsigned j = transkey.nr_elements++;
transkey.element[j].type = TRANSLATE_ELEMENT_NORMAL;
transkey.element[j].input_format = ve->src_format;
transkey.element[j].input_buffer = vbi;
transkey.element[j].input_offset = ve->src_offset;
transkey.element[j].instance_divisor = ve->instance_divisor;
transkey.element[j].output_format = fmt;
transkey.element[j].output_offset = transkey.output_stride;
transkey.output_stride += (util_format_get_stride(fmt, 1) + 3) & ~3;
}
}
so->translate = translate_create(&transkey);
so->vtx_size = transkey.output_stride / 4;
so->vtx_per_packet_max = NV04_PFIFO_MAX_PACKET_LEN / MAX2(so->vtx_size, 1);
return so;
}
static boolean
vroute_add(struct nv30_render *r, uint attrib, uint sem, uint *idx)
{
struct nv30_screen *screen = r->nv30->screen;
struct nv30_fragprog *fp = r->nv30->fragprog.program;
struct vertex_info *vinfo = &r->vertex_info;
enum pipe_format format;
uint emit = EMIT_OMIT;
uint result = *idx;
if (sem == TGSI_SEMANTIC_GENERIC) {
uint num_texcoords = (screen->eng3d->oclass < NV40_3D_CLASS) ? 8 : 10;
for (result = 0; result < num_texcoords; result++) {
if (fp->texcoord[result] == *idx + 8) {
sem = TGSI_SEMANTIC_TEXCOORD;
emit = vroute[sem].emit;
break;
}
}
} else {
emit = vroute[sem].emit;
}
if (emit == EMIT_OMIT)
return FALSE;
draw_emit_vertex_attr(vinfo, emit, vroute[sem].interp, attrib);
format = draw_translate_vinfo_format(emit);
r->vtxfmt[attrib] = nv30_vtxfmt(&screen->base.base, format)->hw;
r->vtxptr[attrib] = vinfo->size;
vinfo->size += draw_translate_vinfo_size(emit);
if (screen->eng3d->oclass < NV40_3D_CLASS) {
r->vtxprog[attrib][0] = 0x001f38d8;
r->vtxprog[attrib][1] = 0x0080001b | (attrib << 9);
r->vtxprog[attrib][2] = 0x0836106c;
r->vtxprog[attrib][3] = 0x2000f800 | (result + vroute[sem].vp30) << 2;
} else {
r->vtxprog[attrib][0] = 0x401f9c6c;
r->vtxprog[attrib][1] = 0x0040000d | (attrib << 8);
r->vtxprog[attrib][2] = 0x8106c083;
r->vtxprog[attrib][3] = 0x6041ff80 | (result + vroute[sem].vp40) << 2;
}
if (result < 8)
*idx = vroute[sem].ow40 << result;
else {
assert(sem == TGSI_SEMANTIC_TEXCOORD);
*idx = 0x00001000 << (result - 8);
}
return TRUE;
}
