src/mesa/pipe/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
  45         while (tf->defined) {
  46                 if (tf->pipe == pipe_format)
  47                         return tf;
  48                 tf++;
  49         }
  50
  51         return NULL;
  52 }
  53
  54
  55 static void
  56 nv40_fragtex_build(struct nv40_context *nv40, int unit)
  57 {
  58         struct nv40_sampler_state *ps = nv40->tex_sampler[unit];
  59         struct nv40_miptree *nv40mt = nv40->tex_miptree[unit];
  60         struct pipe_texture *pt = &nv40mt->base;
  61         struct nv40_texture_format *tf;
  62         struct nouveau_stateobj *so;
  63         uint32_t txf, txs, txp;
  64         int swizzled = 0; /*XXX: implement in region code? */
  65         unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
  66
  67         tf = nv40_fragtex_format(pt->format);
  68         if (!tf)
  69                 assert(0);
  70
  71         txf  = ps->fmt;
  72         txf |= tf->format | 0x8000;
  73         txf |= ((pt->last_level + 1) << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT);
  74
  75         if (1) /* XXX */
  76                 txf |= NV40TCL_TEX_FORMAT_NO_BORDER;
  77
  78         switch (pt->target) {
  79         case PIPE_TEXTURE_CUBE:
  80                 txf |= NV40TCL_TEX_FORMAT_CUBIC;
  81                 /* fall-through */
  82         case PIPE_TEXTURE_2D:
  83                 txf |= NV40TCL_TEX_FORMAT_DIMS_2D;
  84                 break;
  85         case PIPE_TEXTURE_3D:
  86                 txf |= NV40TCL_TEX_FORMAT_DIMS_3D;
  87                 break;
  88         case PIPE_TEXTURE_1D:
  89                 txf |= NV40TCL_TEX_FORMAT_DIMS_1D;
  90                 break;
  91         default:
  92                 NOUVEAU_ERR("Unknown target %d\n", pt->target);
  93                 return;
  94         }
  95
  96         if (swizzled) {
  97                 txp = 0;
  98         } else {
  99                 txp  = nv40mt->level[0].pitch;
 100                 txf |= NV40TCL_TEX_FORMAT_LINEAR;
 101         }
 102
 103         txs = tf->swizzle;
 104
 105         so = so_new(16, 2);
 106         so_method(so, nv40->hw->curie, NV40TCL_TEX_OFFSET(unit), 8);
 107         so_reloc (so, nv40mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
 108         so_reloc (so, nv40mt->buffer, txf, tex_flags | NOUVEAU_BO_OR,
 109                   NV40TCL_TEX_FORMAT_DMA0, NV40TCL_TEX_FORMAT_DMA1);
 110         so_data  (so, ps->wrap);
 111         so_data  (so, NV40TCL_TEX_ENABLE_ENABLE | ps->en);
 112         so_data  (so, txs);
 113         so_data  (so, ps->filt | 0x2000 /*voodoo*/);
 114         so_data  (so, (pt->width[0] << NV40TCL_TEX_SIZE0_W_SHIFT) |
 115                        pt->height[0]);
 116         so_data  (so, ps->bcol);
 117         so_method(so, nv40->hw->curie, NV40TCL_TEX_SIZE1(unit), 1);
 118         so_data  (so, (pt->depth[0] << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp);
 119
 120         so_emit(nv40->nvws, so);
 121         so_ref (so, &nv40->so_fragtex[unit]);
 122         so_ref (NULL, &so);
 123 }
 124
 125 void
 126 nv40_fragtex_bind(struct nv40_context *nv40)
 127 {
 128         struct nv40_fragment_program *fp = nv40->fragprog.active;
 129         unsigned samplers, unit;
 130
 131         samplers = nv40->fp_samplers & ~fp->samplers;
 132         while (samplers) {
 133                 unit = ffs(samplers) - 1;
 134                 samplers &= ~(1 << unit);
 135
 136                 so_ref(NULL, &nv40->so_fragtex[unit]);
 137                 BEGIN_RING(curie, NV40TCL_TEX_ENABLE(unit), 1);
 138                 OUT_RING  (0);
 139         }
 140
 141         samplers = nv40->dirty_samplers & fp->samplers;
 142         while (samplers) {
 143                 unit = ffs(samplers) - 1;
 144                 samplers &= ~(1 << unit);
 145
 146                 nv40_fragtex_build(nv40, unit);
 147         }
 148
 149         nv40->fp_samplers = fp->samplers;
 150 }
 151