nv50_tex.c revision fba2eabe13b8a3f8c1396c5949db3daab0192156 
1/*
2 * Copyright 2008 Ben Skeggs
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#include "nv50_context.h"
24#include "nv50_texture.h"
25
26#include "nouveau/nouveau_stateobj.h"
27
28#define _(pf, tt, r, g, b, a, tf)                       	\
29{                                                       	\
30	PIPE_FORMAT_##pf,					\
31	NV50TIC_0_0_MAPR_##r | NV50TIC_0_0_TYPER_##tt |		\
32	NV50TIC_0_0_MAPG_##g | NV50TIC_0_0_TYPEG_##tt |		\
33	NV50TIC_0_0_MAPB_##b | NV50TIC_0_0_TYPEB_##tt |		\
34	NV50TIC_0_0_MAPA_##a | NV50TIC_0_0_TYPEA_##tt |		\
35	NV50TIC_0_0_FMT_##tf					\
36}
37
38struct nv50_texture_format {
39	enum pipe_format pf;
40	uint32_t hw;
41};
42
43#define NV50_TEX_FORMAT_LIST_SIZE \
44	(sizeof(nv50_tex_format_list) / sizeof(struct nv50_texture_format))
45
46static const struct nv50_texture_format nv50_tex_format_list[] =
47{
48	_(A8R8G8B8_UNORM, UNORM, C2, C1, C0, C3,  8_8_8_8),
49	_(X8R8G8B8_UNORM, UNORM, C2, C1, C0, ONE, 8_8_8_8),
50	_(A1R5G5B5_UNORM, UNORM, C2, C1, C0, C3,  1_5_5_5),
51	_(A4R4G4B4_UNORM, UNORM, C2, C1, C0, C3,  4_4_4_4),
52
53	_(R5G6B5_UNORM, UNORM, C2, C1, C0, ONE, 5_6_5),
54
55	_(L8_UNORM, UNORM, C0, C0, C0, ONE, 8),
56	_(A8_UNORM, UNORM, ZERO, ZERO, ZERO, C0, 8),
57	_(I8_UNORM, UNORM, C0, C0, C0, C0, 8),
58
59	_(A8L8_UNORM, UNORM, C0, C0, C0, C1, 8_8),
60
61	_(DXT1_RGB, UNORM, C0, C1, C2, ONE, DXT1),
62	_(DXT1_RGBA, UNORM, C0, C1, C2, C3, DXT1),
63	_(DXT3_RGBA, UNORM, C0, C1, C2, C3, DXT3),
64	_(DXT5_RGBA, UNORM, C0, C1, C2, C3, DXT5)
65};
66
67#undef _
68
69static int
70nv50_tex_construct(struct nv50_context *nv50, struct nouveau_stateobj *so,
71		   struct nv50_miptree *mt, int unit)
72{
73	unsigned i;
74
75	for (i = 0; i < NV50_TEX_FORMAT_LIST_SIZE; i++)
76		if (nv50_tex_format_list[i].pf == mt->base.base.format)
77			break;
78	if (i == NV50_TEX_FORMAT_LIST_SIZE)
79                return 1;
80
81	so_data (so, nv50_tex_format_list[i].hw);
82	so_reloc(so, mt->base.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_LOW |
83		     NOUVEAU_BO_RD, 0, 0);
84	if (nv50->sampler[unit]->normalized)
85		so_data (so, 0xd0005000 | mt->base.bo->tile_mode << 22);
86	else
87		so_data (so, 0x5001d000 | mt->base.bo->tile_mode << 22);
88	so_data (so, 0x00300000);
89	so_data (so, mt->base.base.width[0]);
90	so_data (so, (mt->base.base.last_level << 28) |
91		     (mt->base.base.depth[0] << 16) | mt->base.base.height[0]);
92	so_data (so, 0x03000000);
93	so_data (so, mt->base.base.last_level << 4);
94
95	return 0;
96}
97
98void
99nv50_tex_validate(struct nv50_context *nv50)
100{
101	struct nouveau_grobj *eng2d = nv50->screen->eng2d;
102	struct nouveau_grobj *tesla = nv50->screen->tesla;
103	struct nouveau_stateobj *so;
104	unsigned i, unit, push;
105
106	push = MAX2(nv50->miptree_nr, nv50->state.miptree_nr) * 2 + 23 + 6;
107	so = so_new(nv50->miptree_nr * 9 + push, nv50->miptree_nr + 2);
108
109	nv50_so_init_sifc(nv50, so, nv50->screen->tic, NOUVEAU_BO_VRAM,
110			  nv50->miptree_nr * 8 * 4);
111
112	for (i = 0, unit = 0; unit < nv50->miptree_nr; ++unit) {
113		struct nv50_miptree *mt = nv50->miptree[unit];
114
115		if (!mt)
116			continue;
117
118		so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), 8);
119		if (nv50_tex_construct(nv50, so, mt, unit)) {
120			NOUVEAU_ERR("failed tex validate\n");
121			so_ref(NULL, &so);
122			return;
123		}
124
125		so_method(so, tesla, NV50TCL_SET_SAMPLER_TEX, 1);
126		so_data  (so, (i++ << NV50TCL_SET_SAMPLER_TEX_TIC_SHIFT) |
127			  (unit << NV50TCL_SET_SAMPLER_TEX_SAMPLER_SHIFT) |
128			  NV50TCL_SET_SAMPLER_TEX_VALID);
129	}
130
131	for (; unit < nv50->state.miptree_nr; unit++) {
132		so_method(so, tesla, NV50TCL_SET_SAMPLER_TEX, 1);
133		so_data  (so,
134			  (unit << NV50TCL_SET_SAMPLER_TEX_SAMPLER_SHIFT) | 0);
135	}
136
137	/* not sure if the following really do what I think: */
138	so_method(so, tesla, 0x1440, 1); /* sync SIFC */
139	so_data  (so, 0);
140	so_method(so, tesla, 0x1330, 1); /* flush TIC */
141	so_data  (so, 0);
142	so_method(so, tesla, 0x1338, 1); /* flush texture caches */
143	so_data  (so, 0x20);
144
145	so_ref(so, &nv50->state.tic_upload);
146	so_ref(NULL, &so);
147	nv50->state.miptree_nr = nv50->miptree_nr;
148}
149
150