예제 #1
0
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;
}
예제 #2
0
static void
nv20_fragtex_build(struct nv20_context *nv20, int unit)
{
#if 0
	struct nv20_sampler_state *ps = nv20->tex_sampler[unit];
	struct nv20_miptree *nv20mt = nv20->tex_miptree[unit];
	struct pipe_texture *pt = &nv20mt->base;
	struct nv20_texture_format *tf;
	uint32_t txf, txs, txp;

	tf = nv20_fragtex_format(pt->format);
	if (!tf || !tf->defined) {
		NOUVEAU_ERR("Unsupported texture format: 0x%x\n", pt->format);
		return;
	}

	txf  = tf->format << 8;
	txf |= (pt->last_level + 1) << 16;
	txf |= log2i(pt->width[0]) << 20;
	txf |= log2i(pt->height[0]) << 24;
	txf |= log2i(pt->depth[0]) << 28;
	txf |= 8;

	switch (pt->target) {
	case PIPE_TEXTURE_CUBE:
		txf |= NV10TCL_TX_FORMAT_CUBE_MAP;
		/* fall-through */
	case PIPE_TEXTURE_2D:
		txf |= (2<<4);
		break;
	case PIPE_TEXTURE_1D:
		txf |= (1<<4);
		break;
	default:
		NOUVEAU_ERR("Unknown target %d\n", pt->target);
		return;
	}

	BEGIN_RING(kelvin, NV10TCL_TX_OFFSET(unit), 8);
	OUT_RELOCl(nv20mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD);
	OUT_RELOCd(nv20mt->buffer,txf,NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_OR | NOUVEAU_BO_RD, 1/*VRAM*/,2/*TT*/);
	OUT_RING  (ps->wrap);
	OUT_RING  (0x40000000); /* enable */
	OUT_RING  (txs);
	OUT_RING  (ps->filt | 0x2000 /* magic */);
	OUT_RING  ((pt->width[0] << 16) | pt->height[0]);
	OUT_RING  (ps->bcol);
#endif
}