void
nv20_fragtex_bind(struct nv20_context *nv20)
{
#if 0
struct nv20_fragment_program *fp = nv20->fragprog.active;
unsigned samplers, unit;
samplers = nv20->fp_samplers & ~fp->samplers;
while (samplers) {
unit = ffs(samplers) - 1;
samplers &= ~(1 << unit);
BEGIN_RING(kelvin, NV10TCL_TX_ENABLE(unit), 1);
OUT_RING (0);
}
samplers = nv20->dirty_samplers & fp->samplers;
while (samplers) {
unit = ffs(samplers) - 1;
samplers &= ~(1 << unit);
nv20_fragtex_build(nv20, unit);
}
nv20->fp_samplers = fp->samplers;
#endif
}
static Bool
setup_texture(NVPtr pNv, int unit, PicturePtr pict, PixmapPtr pixmap)
{
struct nouveau_channel *chan = pNv->chan;
struct nouveau_grobj *celsius = pNv->Nv3D;
struct nouveau_bo *bo = nouveau_pixmap_bo(pixmap);
unsigned tex_reloc = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
long w = pict->pDrawable->width,
h = pict->pDrawable->height;
unsigned int txfmt =
NV10TCL_TX_FORMAT_WRAP_T_CLAMP_TO_EDGE |
NV10TCL_TX_FORMAT_WRAP_S_CLAMP_TO_EDGE |
log2i(w) << 20 | log2i(h) << 16 |
1 << 12 | /* lod == 1 */
get_tex_format(pict) |
0x50 /* UNK */;
BEGIN_RING(chan, celsius, NV10TCL_TX_OFFSET(unit), 1);
if (OUT_RELOCl(chan, bo, 0, tex_reloc))
return FALSE;
if (pict->repeat == RepeatNone) {
/* NPOT_SIZE expects an even number for width, we can
* round up uneven numbers here because EXA always
* gives 64 byte aligned pixmaps and for all formats
* we support 64 bytes represents an even number of
* pixels
*/
w = (w + 1) &~ 1;
BEGIN_RING(chan, celsius, NV10TCL_TX_NPOT_PITCH(unit), 1);
OUT_RING (chan, exaGetPixmapPitch(pixmap) << 16);
BEGIN_RING(chan, celsius, NV10TCL_TX_NPOT_SIZE(unit), 1);
OUT_RING (chan, w << 16 | h);
}
BEGIN_RING(chan, celsius, NV10TCL_TX_FORMAT(unit), 1 );
if (OUT_RELOCd(chan, bo, txfmt, tex_reloc | NOUVEAU_BO_OR,
NV10TCL_TX_FORMAT_DMA0, NV10TCL_TX_FORMAT_DMA1))
return FALSE;
BEGIN_RING(chan, celsius, NV10TCL_TX_ENABLE(unit), 1 );
OUT_RING (chan, NV10TCL_TX_ENABLE_ENABLE);
BEGIN_RING(chan, celsius, NV10TCL_TX_FILTER(unit), 1);
if (pict->filter == PictFilterNearest)
OUT_RING(chan, (NV10TCL_TX_FILTER_MAGNIFY_NEAREST |
NV10TCL_TX_FILTER_MINIFY_NEAREST));
else
OUT_RING(chan, (NV10TCL_TX_FILTER_MAGNIFY_LINEAR |
NV10TCL_TX_FILTER_MINIFY_LINEAR));
return TRUE;
}
