fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-04-27 08:50:49 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

nv50: draw_elements() - inline only for the moment

Browse source
This commit is contained in:
Ben Skeggs 2008-06-12 14:15:38 +10:00
parent 163d9aa1fe
commit 027ed25c12
1 changed files with 95 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

96
src/gallium/drivers/nv50/nv50_vbo.c
View file

@ -52,16 +52,110 @@ nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
return TRUE;
}
static INLINE void
nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map,
unsigned start, unsigned count)
{
map += start;
if (count & 1) {
BEGIN_RING(tesla, 0x15e8, 1);
OUT_RING (map[0]);
map++;
count--;
}
while (count) {
unsigned nr = count > 2046 ? 2046 : count;
int i;
BEGIN_RING(tesla, 0x400015f0, nr >> 1);
for (i = 0; i < nr; i += 2)
OUT_RING ((map[1] << 16) | map[0]);
count -= nr;
map += nr;
}
}
static INLINE void
nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map,
unsigned start, unsigned count)
{
map += start;
if (count & 1) {
BEGIN_RING(tesla, 0x15e8, 1);
OUT_RING (map[0]);
map++;
count--;
}
while (count) {
unsigned nr = count > 2046 ? 2046 : count;
int i;
BEGIN_RING(tesla, 0x400015f0, nr >> 1);
for (i = 0; i < nr; i += 2)
OUT_RING ((map[1] << 16) | map[0]);
count -= nr;
map += nr;
}
}
static INLINE void
nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint8_t *map,
unsigned start, unsigned count)
{
map += start;
while (count) {
unsigned nr = count > 2047 ? 2047 : count;
BEGIN_RING(tesla, 0x400015e8, nr);
OUT_RINGp (map, nr);
count -= nr;
map += nr;
}
}
boolean
nv50_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer, unsigned indexSize,
unsigned mode, unsigned start, unsigned count)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct pipe_winsys *ws = pipe->winsys;
void *map = ws->buffer_map(ws, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ);
nv50_state_validate(nv50);
NOUVEAU_ERR("unimplemented\n");
BEGIN_RING(tesla, 0x142c, 1);
OUT_RING (0);
BEGIN_RING(tesla, 0x142c, 1);
OUT_RING (0);
BEGIN_RING(tesla, NV50TCL_VERTEX_BEGIN, 1);
OUT_RING (nv50_prim(mode));
switch (indexSize) {
case 1:
nv50_draw_elements_inline_u08(nv50, map, start, count);
break;
case 2:
nv50_draw_elements_inline_u16(nv50, map, start, count);
break;
case 4:
nv50_draw_elements_inline_u32(nv50, map, start, count);
break;
default:
assert(0);
}
BEGIN_RING(tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (0);
pipe->flush(pipe, 0, NULL);
return TRUE;
}