1 #include "util/u_format.h"
2 #include "nvfx_context.h"
6 nv40_sampler_state_init(struct pipe_context *pipe,
7 struct nvfx_sampler_state *ps,
8 const struct pipe_sampler_state *cso)
10 if (cso->max_anisotropy >= 2) {
11 /* no idea, binary driver sets it, works without it.. meh.. */
14 if (cso->max_anisotropy >= 16) {
15 ps->en |= NV40TCL_TEX_ENABLE_ANISO_16X;
17 if (cso->max_anisotropy >= 12) {
18 ps->en |= NV40TCL_TEX_ENABLE_ANISO_12X;
20 if (cso->max_anisotropy >= 10) {
21 ps->en |= NV40TCL_TEX_ENABLE_ANISO_10X;
23 if (cso->max_anisotropy >= 8) {
24 ps->en |= NV40TCL_TEX_ENABLE_ANISO_8X;
26 if (cso->max_anisotropy >= 6) {
27 ps->en |= NV40TCL_TEX_ENABLE_ANISO_6X;
29 if (cso->max_anisotropy >= 4) {
30 ps->en |= NV40TCL_TEX_ENABLE_ANISO_4X;
32 ps->en |= NV40TCL_TEX_ENABLE_ANISO_2X;
39 limit = CLAMP(cso->lod_bias, -16.0, 15.0);
40 ps->filt |= (int)(cso->lod_bias * 256.0) & 0x1fff;
42 limit = CLAMP(cso->max_lod, 0.0, 15.0);
43 ps->en |= (int)(limit * 256.0) << 7;
45 limit = CLAMP(cso->min_lod, 0.0, 15.0);
46 ps->en |= (int)(limit * 256.0) << 19;
50 #define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sx,sy,sz,sw) \
54 NV40TCL_TEX_FORMAT_FORMAT_##tf, \
55 (NV34TCL_TX_SWIZZLE_S0_X_##ts0x | NV34TCL_TX_SWIZZLE_S0_Y_##ts0y | \
56 NV34TCL_TX_SWIZZLE_S0_Z_##ts0z | NV34TCL_TX_SWIZZLE_S0_W_##ts0w | \
57 NV34TCL_TX_SWIZZLE_S1_X_##ts1x | NV34TCL_TX_SWIZZLE_S1_Y_##ts1y | \
58 NV34TCL_TX_SWIZZLE_S1_Z_##ts1z | NV34TCL_TX_SWIZZLE_S1_W_##ts1w), \
59 ((NV34TCL_TX_FILTER_SIGNED_RED*sx) | (NV34TCL_TX_FILTER_SIGNED_GREEN*sy) | \
60 (NV34TCL_TX_FILTER_SIGNED_BLUE*sz) | (NV34TCL_TX_FILTER_SIGNED_ALPHA*sw)) \
63 struct nv40_texture_format {
71 static struct nv40_texture_format
72 nv40_texture_formats[] = {
73 _(B8G8R8X8_UNORM, A8R8G8B8, S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0),
74 _(B8G8R8A8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
75 _(B5G5R5A1_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
76 _(B4G4R4A4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
77 _(B5G6R5_UNORM , R5G6B5 , S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0),
78 _(L8_UNORM , L8 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0),
79 _(A8_UNORM , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X, 0, 0, 0, 0),
80 _(R16_SNORM , A16 , ZERO, ZERO, S1, ONE, X, X, X, Y, 1, 1, 1, 1),
81 _(I8_UNORM , L8 , S1, S1, S1, S1, X, X, X, X, 0, 0, 0, 0),
82 _(L8A8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y, 0, 0, 0, 0),
83 _(Z16_UNORM , Z16 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0),
84 _(S8_USCALED_Z24_UNORM , Z24 , S1, S1, S1, ONE, X, X, X, X, 0, 0, 0, 0),
85 _(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0),
86 _(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
87 _(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
88 _(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0),
92 static struct nv40_texture_format *
93 nv40_fragtex_format(uint pipe_format)
95 struct nv40_texture_format *tf = nv40_texture_formats;
98 if (tf->pipe == pipe_format)
103 NOUVEAU_ERR("unknown texture format %s\n", util_format_name(pipe_format));
108 struct nouveau_stateobj *
109 nv40_fragtex_build(struct nvfx_context *nvfx, int unit)
111 struct nvfx_sampler_state *ps = nvfx->tex_sampler[unit];
112 struct nvfx_miptree *nv40mt = (struct nvfx_miptree *)nvfx->fragment_sampler_views[unit]->texture;
113 struct nouveau_bo *bo = nouveau_bo(nv40mt->buffer);
114 struct pipe_texture *pt = &nv40mt->base;
115 struct nv40_texture_format *tf;
116 struct nouveau_stateobj *so;
117 uint32_t txf, txs, txp;
118 unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
120 tf = nv40_fragtex_format(pt->format);
125 txf |= tf->format | 0x8000;
126 txf |= ((pt->last_level + 1) << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT);
129 txf |= NV34TCL_TX_FORMAT_NO_BORDER;
131 switch (pt->target) {
132 case PIPE_TEXTURE_CUBE:
133 txf |= NV34TCL_TX_FORMAT_CUBIC;
135 case PIPE_TEXTURE_2D:
136 txf |= NV34TCL_TX_FORMAT_DIMS_2D;
138 case PIPE_TEXTURE_3D:
139 txf |= NV34TCL_TX_FORMAT_DIMS_3D;
141 case PIPE_TEXTURE_1D:
142 txf |= NV34TCL_TX_FORMAT_DIMS_1D;
145 NOUVEAU_ERR("Unknown target %d\n", pt->target);
149 if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
152 txp = nv40mt->level[0].pitch;
153 txf |= NV40TCL_TEX_FORMAT_LINEAR;
158 so = so_new(2, 9, 2);
159 so_method(so, nvfx->screen->eng3d, NV34TCL_TX_OFFSET(unit), 8);
160 so_reloc (so, bo, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
161 so_reloc (so, bo, txf, tex_flags | NOUVEAU_BO_OR,
162 NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1);
163 so_data (so, ps->wrap);
164 so_data (so, NV40TCL_TEX_ENABLE_ENABLE | ps->en);
166 so_data (so, ps->filt | tf->sign | 0x2000 /*voodoo*/);
167 so_data (so, (pt->width0 << NV34TCL_TX_NPOT_SIZE_W_SHIFT) |
169 so_data (so, ps->bcol);
170 so_method(so, nvfx->screen->eng3d, NV40TCL_TEX_SIZE1(unit), 1);
171 so_data (so, (pt->depth0 << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp);