boolean
nv30_draw_arrays(struct pipe_context *pipe,
unsigned mode, unsigned start, unsigned count)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nouveau_channel *chan = nv30->screen->base.channel;
unsigned restart = 0;
nv30_vbo_set_idxbuf(nv30, NULL, 0);
if (FORCE_SWTNL || !nv30_state_validate(nv30)) {
/*return nv30_draw_elements_swtnl(pipe, NULL, 0,
mode, start, count);*/
return FALSE;
}
while (count) {
unsigned vc, nr;
nv30_state_emit(nv30);
vc = nouveau_vbuf_split(chan->pushbuf->remaining, 6, 256,
mode, start, count, &restart);
if (!vc) {
FIRE_RING(NULL);
continue;
}
BEGIN_RING(rankine, NV34TCL_VERTEX_BEGIN_END, 1);
OUT_RING (nvgl_primitive(mode));
nr = (vc & 0xff);
if (nr) {
BEGIN_RING(rankine, NV34TCL_VB_VERTEX_BATCH, 1);
OUT_RING (((nr - 1) << 24) | start);
start += nr;
}
nr = vc >> 8;
while (nr) {
unsigned push = nr > 2047 ? 2047 : nr;
nr -= push;
BEGIN_RING_NI(rankine, NV34TCL_VB_VERTEX_BATCH, push);
while (push--) {
OUT_RING(((0x100 - 1) << 24) | start);
start += 0x100;
}
}
BEGIN_RING(rankine, NV34TCL_VERTEX_BEGIN_END, 1);
OUT_RING (0);
count -= vc;
start = restart;
}
pipe->flush(pipe, 0, NULL);
return TRUE;
}
static boolean
nv40_draw_elements_vbo(struct pipe_context *pipe,
unsigned mode, unsigned start, unsigned count)
{
struct nv40_context *nv40 = nv40_context(pipe);
struct nouveau_channel *chan = nv40->nvws->channel;
unsigned restart;
while (count) {
unsigned nr, vc;
nv40_state_emit(nv40);
vc = nouveau_vbuf_split(chan->pushbuf->remaining, 6, 256,
mode, start, count, &restart);
if (!vc) {
FIRE_RING(NULL);
continue;
}
BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
OUT_RING (nvgl_primitive(mode));
nr = (vc & 0xff);
if (nr) {
BEGIN_RING(curie, NV40TCL_VB_INDEX_BATCH, 1);
OUT_RING (((nr - 1) << 24) | start);
start += nr;
}
nr = vc >> 8;
while (nr) {
unsigned push = nr > 2047 ? 2047 : nr;
nr -= push;
BEGIN_RING_NI(curie, NV40TCL_VB_INDEX_BATCH, push);
while (push--) {
OUT_RING(((0x100 - 1) << 24) | start);
start += 0x100;
}
}
BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
OUT_RING (0);
count -= vc;
start = restart;
}
return TRUE;
}
static INLINE void
nv40_draw_elements_u16(struct nv40_context *nv40, void *ib,
unsigned mode, unsigned start, unsigned count)
{
struct nouveau_channel *chan = nv40->nvws->channel;
while (count) {
uint16_t *elts = (uint16_t *)ib + start;
unsigned vc, push, restart;
nv40_state_emit(nv40);
vc = nouveau_vbuf_split(chan->pushbuf->remaining, 6, 2,
mode, start, count, &restart);
if (vc == 0) {
FIRE_RING(NULL);
continue;
}
count -= vc;
BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
OUT_RING (nvgl_primitive(mode));
if (vc & 1) {
BEGIN_RING(curie, NV40TCL_VB_ELEMENT_U32, 1);
OUT_RING (elts[0]);
elts++; vc--;
}
while (vc) {
unsigned i;
push = MIN2(vc, 2047 * 2);
BEGIN_RING_NI(curie, NV40TCL_VB_ELEMENT_U16, push >> 1);
for (i = 0; i < push; i+=2)
OUT_RING((elts[i+1] << 16) | elts[i]);
vc -= push;
elts += push;
}
BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
OUT_RING (0);
start = restart;
}
}
static INLINE void
nv40_draw_elements_u32(struct nv40_context *nv40, void *ib,
unsigned mode, unsigned start, unsigned count)
{
struct nouveau_channel *chan = nv40->nvws->channel;
while (count) {
uint32_t *elts = (uint32_t *)ib + start;
unsigned vc, push, restart;
nv40_state_emit(nv40);
vc = nouveau_vbuf_split(chan->pushbuf->remaining, 5, 1,
mode, start, count, &restart);
if (vc == 0) {
FIRE_RING(NULL);
continue;
}
count -= vc;
BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
OUT_RING (nvgl_primitive(mode));
while (vc) {
push = MIN2(vc, 2047);
BEGIN_RING_NI(curie, NV40TCL_VB_ELEMENT_U32, push);
OUT_RINGp (elts, push);
vc -= push;
elts += push;
}
BEGIN_RING(curie, NV40TCL_BEGIN_END, 1);
OUT_RING (0);
start = restart;
}
}