nv30_fragtex.c revision d364f662c685ba0f28aa865fbd7e1f0acc3c469e 
1#include "nv30_context.h"
2#include "nouveau/nouveau_util.h"
3
4#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w)                        \
5{                                                                              \
6  TRUE,                                                                        \
7  PIPE_FORMAT_##m,                                                             \
8  NV34TCL_TX_FORMAT_FORMAT_##tf,                                               \
9  (NV34TCL_TX_SWIZZLE_S0_X_##ts0x | NV34TCL_TX_SWIZZLE_S0_Y_##ts0y |           \
10   NV34TCL_TX_SWIZZLE_S0_Z_##ts0z | NV34TCL_TX_SWIZZLE_S0_W_##ts0w |           \
11   NV34TCL_TX_SWIZZLE_S1_X_##ts1x | NV34TCL_TX_SWIZZLE_S1_Y_##ts1y |           \
12   NV34TCL_TX_SWIZZLE_S1_Z_##ts1z | NV34TCL_TX_SWIZZLE_S1_W_##ts1w)            \
13}
14
15struct nv30_texture_format {
16	boolean defined;
17	uint	pipe;
18	int     format;
19	int     swizzle;
20};
21
22static struct nv30_texture_format
23nv30_texture_formats[] = {
24	_(A8R8G8B8_UNORM, A8R8G8B8,   S1,   S1,   S1,   S1, X, Y, Z, W),
25	_(A1R5G5B5_UNORM, A1R5G5B5,   S1,   S1,   S1,   S1, X, Y, Z, W),
26	_(A4R4G4B4_UNORM, A4R4G4B4,   S1,   S1,   S1,   S1, X, Y, Z, W),
27	_(R5G6B5_UNORM  , R5G6B5  ,   S1,   S1,   S1,  ONE, X, Y, Z, W),
28	_(L8_UNORM      , L8      ,   S1,   S1,   S1,  ONE, X, X, X, X),
29	_(A8_UNORM      , L8      , ZERO, ZERO, ZERO,   S1, X, X, X, X),
30	_(I8_UNORM      , L8      ,   S1,   S1,   S1,   S1, X, X, X, X),
31	_(A8L8_UNORM    , A8L8    ,   S1,   S1,   S1,   S1, X, X, X, Y),
32//	_(Z16_UNORM     , Z16     ,   S1,   S1,   S1,  ONE, X, X, X, X),
33//	_(Z24S8_UNORM   , Z24     ,   S1,   S1,   S1,  ONE, X, X, X, X),
34	_(DXT1_RGB      , DXT1    ,   S1,   S1,   S1,  ONE, X, Y, Z, W),
35	_(DXT1_RGBA     , DXT1    ,   S1,   S1,   S1,   S1, X, Y, Z, W),
36	_(DXT3_RGBA     , DXT3    ,   S1,   S1,   S1,   S1, X, Y, Z, W),
37	_(DXT5_RGBA     , DXT5    ,   S1,   S1,   S1,   S1, X, Y, Z, W),
38	{},
39};
40
41static struct nv30_texture_format *
42nv30_fragtex_format(uint pipe_format)
43{
44	struct nv30_texture_format *tf = nv30_texture_formats;
45	char fs[128];
46
47	while (tf->defined) {
48		if (tf->pipe == pipe_format)
49			return tf;
50		tf++;
51	}
52
53	NOUVEAU_ERR("unknown texture format %s\n", pf_name(pipe_format));
54	return NULL;
55}
56
57
58static struct nouveau_stateobj *
59nv30_fragtex_build(struct nv30_context *nv30, int unit)
60{
61	struct nv30_sampler_state *ps = nv30->tex_sampler[unit];
62	struct nv30_miptree *nv30mt = nv30->tex_miptree[unit];
63	struct pipe_texture *pt = &nv30mt->base;
64	struct nouveau_bo *bo = nouveau_bo(nv30mt->buffer);
65	struct nv30_texture_format *tf;
66	struct nouveau_stateobj *so;
67	uint32_t txf, txs , txp;
68	unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
69
70	tf = nv30_fragtex_format(pt->format);
71	if (!tf)
72		return NULL;
73
74	txf  = tf->format;
75	txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0);
76	txf |= log2i(pt->width[0]) << 20;
77	txf |= log2i(pt->height[0]) << 24;
78	txf |= log2i(pt->depth[0]) << 28;
79	txf |= NV34TCL_TX_FORMAT_NO_BORDER | 0x10000;
80
81	switch (pt->target) {
82	case PIPE_TEXTURE_CUBE:
83		txf |= NV34TCL_TX_FORMAT_CUBIC;
84		/* fall-through */
85	case PIPE_TEXTURE_2D:
86		txf |= NV34TCL_TX_FORMAT_DIMS_2D;
87		break;
88	case PIPE_TEXTURE_3D:
89		txf |= NV34TCL_TX_FORMAT_DIMS_3D;
90		break;
91	case PIPE_TEXTURE_1D:
92		txf |= NV34TCL_TX_FORMAT_DIMS_1D;
93		break;
94	default:
95		NOUVEAU_ERR("Unknown target %d\n", pt->target);
96		return NULL;
97	}
98
99	if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
100		txp = 0;
101	} else {
102		txp  = nv30mt->level[0].pitch;
103		txf |= (1<<13) /*FIXME: NV34TCL_TX_FORMAT_LINEAR ? */;
104	}
105
106	txs = tf->swizzle;
107
108	so = so_new(16, 2);
109	so_method(so, nv30->screen->rankine, NV34TCL_TX_OFFSET(unit), 8);
110	so_reloc (so, bo, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
111	so_reloc (so, bo, txf, tex_flags | NOUVEAU_BO_OR,
112		      NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1);
113	so_data  (so, ps->wrap);
114	so_data  (so, NV34TCL_TX_ENABLE_ENABLE | ps->en);
115	so_data  (so, txs);
116	so_data  (so, ps->filt | 0x2000 /*voodoo*/);
117	so_data  (so, (pt->width[0] << NV34TCL_TX_NPOT_SIZE_W_SHIFT) |
118		       pt->height[0]);
119	so_data  (so, ps->bcol);
120
121	return so;
122}
123
124static boolean
125nv30_fragtex_validate(struct nv30_context *nv30)
126{
127	struct nv30_fragment_program *fp = nv30->fragprog;
128	struct nv30_state *state = &nv30->state;
129	struct nouveau_stateobj *so;
130	unsigned samplers, unit;
131
132	samplers = state->fp_samplers & ~fp->samplers;
133	while (samplers) {
134		unit = ffs(samplers) - 1;
135		samplers &= ~(1 << unit);
136
137		so = so_new(2, 0);
138		so_method(so, nv30->screen->rankine, NV34TCL_TX_ENABLE(unit), 1);
139		so_data  (so, 0);
140		so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]);
141		so_ref(NULL, &so);
142		state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit));
143	}
144
145	samplers = nv30->dirty_samplers & fp->samplers;
146	while (samplers) {
147		unit = ffs(samplers) - 1;
148		samplers &= ~(1 << unit);
149
150		so = nv30_fragtex_build(nv30, unit);
151		so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]);
152		so_ref(NULL, &so);
153		state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit));
154	}
155
156	nv30->state.fp_samplers = fp->samplers;
157	return FALSE;
158}
159
160struct nv30_state_entry nv30_state_fragtex = {
161	.validate = nv30_fragtex_validate,
162	.dirty = {
163		.pipe = NV30_NEW_SAMPLER | NV30_NEW_FRAGPROG,
164		.hw = 0
165	}
166};
167