src/gallium/drivers/nv40/nv40_fragtex.c

   1 #include "nv40_context.h"
   2
   3 #define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w)                        \
   4 {                                                                              \
   5   TRUE,                                                                        \
   6   PIPE_FORMAT_##m,                                                             \
   7   NV40TCL_TEX_FORMAT_FORMAT_##tf,                                              \
   8   (NV40TCL_TEX_SWIZZLE_S0_X_##ts0x | NV40TCL_TEX_SWIZZLE_S0_Y_##ts0y |         \
   9    NV40TCL_TEX_SWIZZLE_S0_Z_##ts0z | NV40TCL_TEX_SWIZZLE_S0_W_##ts0w |         \
  10    NV40TCL_TEX_SWIZZLE_S1_X_##ts1x | NV40TCL_TEX_SWIZZLE_S1_Y_##ts1y |         \
  11    NV40TCL_TEX_SWIZZLE_S1_Z_##ts1z | NV40TCL_TEX_SWIZZLE_S1_W_##ts1w),         \
  12 }
  13
  14 struct nv40_texture_format {
  15         boolean defined;
  16         uint    pipe;
  17         int     format;
  18         int     swizzle;
  19 };
  20
  21 static struct nv40_texture_format
  22 nv40_texture_formats[] = {
  23         _(A8R8G8B8_UNORM, A8R8G8B8,   S1,   S1,   S1,   S1, X, Y, Z, W),
  24         _(A1R5G5B5_UNORM, A1R5G5B5,   S1,   S1,   S1,   S1, X, Y, Z, W),
  25         _(A4R4G4B4_UNORM, A4R4G4B4,   S1,   S1,   S1,   S1, X, Y, Z, W),
  26         _(R5G6B5_UNORM  , R5G6B5  ,   S1,   S1,   S1,  ONE, X, Y, Z, W),
  27         _(U_L8          , L8      ,   S1,   S1,   S1,  ONE, X, X, X, X),
  28         _(U_A8          , L8      , ZERO, ZERO, ZERO,   S1, X, X, X, X),
  29         _(U_I8          , L8      ,   S1,   S1,   S1,   S1, X, X, X, X),
  30         _(U_A8_L8       , A8L8    ,   S1,   S1,   S1,   S1, X, X, X, Y),
  31         _(Z16_UNORM     , Z16     ,   S1,   S1,   S1,  ONE, X, X, X, X),
  32         _(Z24S8_UNORM   , Z24     ,   S1,   S1,   S1,  ONE, X, X, X, X),
  33 //      _(RGB_DXT1      , 0x86,   S1,   S1,   S1,  ONE, X, Y, Z, W, 0x00, 0x00),
  34 //      _(RGBA_DXT1     , 0x86,   S1,   S1,   S1,   S1, X, Y, Z, W, 0x00, 0x00),
  35 //      _(RGBA_DXT3     , 0x87,   S1,   S1,   S1,   S1, X, Y, Z, W, 0x00, 0x00),
  36 //      _(RGBA_DXT5     , 0x88,   S1,   S1,   S1,   S1, X, Y, Z, W, 0x00, 0x00),
  37         {},
  38 };
  39
  40 static struct nv40_texture_format *
  41 nv40_fragtex_format(uint pipe_format)
  42 {
  43         struct nv40_texture_format *tf = nv40_texture_formats;
  44         char fs[128];
  45
  46         while (tf->defined) {
  47                 if (tf->pipe == pipe_format)
  48                         return tf;
  49                 tf++;
  50         }
  51
  52         pf_sprint_name(fs, pipe_format);
  53         NOUVEAU_ERR("unknown texture format %s\n", fs);
  54         return NULL;
  55 }
  56
  57
  58 static struct nouveau_stateobj *
  59 nv40_fragtex_build(struct nv40_context *nv40, int unit)
  60 {
  61         struct nv40_sampler_state *ps = nv40->tex_sampler[unit];
  62         struct nv40_miptree *nv40mt = nv40->tex_miptree[unit];
  63         struct pipe_texture *pt = &nv40mt->base;
  64         struct nv40_texture_format *tf;
  65         struct nouveau_stateobj *so;
  66         uint32_t txf, txs, txp;
  67         int swizzled = 0; /*XXX: implement in region code? */
  68         unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
  69
  70         tf = nv40_fragtex_format(pt->format);
  71         if (!tf)
  72                 assert(0);
  73
  74         txf  = ps->fmt;
  75         txf |= tf->format | 0x8000;
  76         txf |= ((pt->last_level + 1) << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT);
  77
  78         if (1) /* XXX */
  79                 txf |= NV40TCL_TEX_FORMAT_NO_BORDER;
  80
  81         switch (pt->target) {
  82         case PIPE_TEXTURE_CUBE:
  83                 txf |= NV40TCL_TEX_FORMAT_CUBIC;
  84                 /* fall-through */
  85         case PIPE_TEXTURE_2D:
  86                 txf |= NV40TCL_TEX_FORMAT_DIMS_2D;
  87                 break;
  88         case PIPE_TEXTURE_3D:
  89                 txf |= NV40TCL_TEX_FORMAT_DIMS_3D;
  90                 break;
  91         case PIPE_TEXTURE_1D:
  92                 txf |= NV40TCL_TEX_FORMAT_DIMS_1D;
  93                 break;
  94         default:
  95                 NOUVEAU_ERR("Unknown target %d\n", pt->target);
  96                 return NULL;
  97         }
  98
  99         if (swizzled) {
 100                 txp = 0;
 101         } else {
 102                 txp  = nv40mt->level[0].pitch;
 103                 txf |= NV40TCL_TEX_FORMAT_LINEAR;
 104         }
 105
 106         txs = tf->swizzle;
 107
 108         so = so_new(16, 2);
 109         so_method(so, nv40->screen->curie, NV40TCL_TEX_OFFSET(unit), 8);
 110         so_reloc (so, nv40mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
 111         so_reloc (so, nv40mt->buffer, txf, tex_flags | NOUVEAU_BO_OR,
 112                   NV40TCL_TEX_FORMAT_DMA0, NV40TCL_TEX_FORMAT_DMA1);
 113         so_data  (so, ps->wrap);
 114         so_data  (so, NV40TCL_TEX_ENABLE_ENABLE | ps->en);
 115         so_data  (so, txs);
 116         so_data  (so, ps->filt | 0x2000 /*voodoo*/);
 117         so_data  (so, (pt->width[0] << NV40TCL_TEX_SIZE0_W_SHIFT) |
 118                        pt->height[0]);
 119         so_data  (so, ps->bcol);
 120         so_method(so, nv40->screen->curie, NV40TCL_TEX_SIZE1(unit), 1);
 121         so_data  (so, (pt->depth[0] << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp);
 122
 123         return so;
 124 }
 125
 126 static boolean
 127 nv40_fragtex_validate(struct nv40_context *nv40)
 128 {
 129         struct nv40_fragment_program *fp = nv40->fragprog;
 130         struct nv40_state *state = &nv40->state;
 131         struct nouveau_stateobj *so;
 132         unsigned samplers, unit;
 133
 134         samplers = state->fp_samplers & ~fp->samplers;
 135         while (samplers) {
 136                 unit = ffs(samplers) - 1;
 137                 samplers &= ~(1 << unit);
 138
 139                 so = so_new(2, 0);
 140                 so_method(so, nv40->screen->curie, NV40TCL_TEX_ENABLE(unit), 1);
 141                 so_data  (so, 0);
 142                 so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]);
 143                 state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit));
 144         }
 145
 146         samplers = nv40->dirty_samplers & fp->samplers;
 147         while (samplers) {
 148                 unit = ffs(samplers) - 1;
 149                 samplers &= ~(1 << unit);
 150
 151                 so = nv40_fragtex_build(nv40, unit);
 152                 so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]);
 153                 state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit));
 154         }
 155
 156         nv40->state.fp_samplers = fp->samplers;
 157         return FALSE;
 158 }
 159
 160 struct nv40_state_entry nv40_state_fragtex = {
 161         .validate = nv40_fragtex_validate,
 162         .dirty = {
 163                 .pipe = NV40_NEW_SAMPLER | NV40_NEW_FRAGPROG,
 164                 .hw = 0
 165         }
 166 };
 167