src/gallium/drivers/nv30/nv30_fragtex.c

   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
  15 struct nv30_texture_format {
  16         boolean defined;
  17         uint    pipe;
  18         int     format;
  19         int     swizzle;
  20 };
  21
  22 static struct nv30_texture_format
  23 nv30_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
  41 static struct nv30_texture_format *
  42 nv30_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
  58 static struct nouveau_stateobj *
  59 nv30_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 nv30_texture_format *tf;
  65         struct nouveau_stateobj *so;
  66         uint32_t txf, txs , txp;
  67         unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
  68
  69         tf = nv30_fragtex_format(pt->format);
  70         if (!tf)
  71                 assert(0);
  72
  73         txf  = tf->format;
  74         txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0);
  75         txf |= log2i(pt->width[0]) << 20;
  76         txf |= log2i(pt->height[0]) << 24;
  77         txf |= log2i(pt->depth[0]) << 28;
  78         txf |= NV34TCL_TX_FORMAT_NO_BORDER | 0x10000;
  79
  80         switch (pt->target) {
  81         case PIPE_TEXTURE_CUBE:
  82                 txf |= NV34TCL_TX_FORMAT_CUBIC;
  83                 /* fall-through */
  84         case PIPE_TEXTURE_2D:
  85                 txf |= NV34TCL_TX_FORMAT_DIMS_2D;
  86                 break;
  87         case PIPE_TEXTURE_3D:
  88                 txf |= NV34TCL_TX_FORMAT_DIMS_3D;
  89                 break;
  90         case PIPE_TEXTURE_1D:
  91                 txf |= NV34TCL_TX_FORMAT_DIMS_1D;
  92                 break;
  93         default:
  94                 NOUVEAU_ERR("Unknown target %d\n", pt->target);
  95                 return NULL;
  96         }
  97
  98         if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
  99                 txp = 0;
 100         } else {
 101                 txp  = nv30mt->level[0].pitch;
 102                 txf |= (1<<13) /*FIXME: NV34TCL_TX_FORMAT_LINEAR ? */;
 103         }
 104
 105         txs = tf->swizzle;
 106
 107         so = so_new(16, 2);
 108         so_method(so, nv30->screen->rankine, NV34TCL_TX_OFFSET(unit), 8);
 109         so_reloc (so, nv30mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
 110         so_reloc (so, nv30mt->buffer, txf, tex_flags | NOUVEAU_BO_OR,
 111                   NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1);
 112         so_data  (so, ps->wrap);
 113         so_data  (so, NV34TCL_TX_ENABLE_ENABLE | ps->en);
 114         so_data  (so, txs);
 115         so_data  (so, ps->filt | 0x2000 /*voodoo*/);
 116         so_data  (so, (pt->width[0] << NV34TCL_TX_NPOT_SIZE_W_SHIFT) |
 117                        pt->height[0]);
 118         so_data  (so, ps->bcol);
 119
 120         return so;
 121 }
 122
 123 static boolean
 124 nv30_fragtex_validate(struct nv30_context *nv30)
 125 {
 126         struct nv30_fragment_program *fp = nv30->fragprog;
 127         struct nv30_state *state = &nv30->state;
 128         struct nouveau_stateobj *so;
 129         unsigned samplers, unit;
 130
 131         samplers = state->fp_samplers & ~fp->samplers;
 132         while (samplers) {
 133                 unit = ffs(samplers) - 1;
 134                 samplers &= ~(1 << unit);
 135
 136                 so = so_new(2, 0);
 137                 so_method(so, nv30->screen->rankine, NV34TCL_TX_ENABLE(unit), 1);
 138                 so_data  (so, 0);
 139                 so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]);
 140                 so_ref(NULL, &so);
 141                 state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit));
 142         }
 143
 144         samplers = nv30->dirty_samplers & fp->samplers;
 145         while (samplers) {
 146                 unit = ffs(samplers) - 1;
 147                 samplers &= ~(1 << unit);
 148
 149                 so = nv30_fragtex_build(nv30, unit);
 150                 so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]);
 151                 so_ref(NULL, &so);
 152                 state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit));
 153         }
 154
 155         nv30->state.fp_samplers = fp->samplers;
 156         return FALSE;
 157 }
 158
 159 struct nv30_state_entry nv30_state_fragtex = {
 160         .validate = nv30_fragtex_validate,
 161         .dirty = {
 162                 .pipe = NV30_NEW_SAMPLER | NV30_NEW_FRAGPROG,
 163                 .hw = 0
 164         }
 165 };