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,sx,sy,sz,sw)            \
   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   ((NV40TCL_TEX_FILTER_SIGNED_RED*sx) | (NV40TCL_TEX_FILTER_SIGNED_GREEN*sy) |       \
  13    (NV40TCL_TEX_FILTER_SIGNED_BLUE*sz) | (NV40TCL_TEX_FILTER_SIGNED_ALPHA*sw))       \
  14 }
  15
  16 struct nv40_texture_format {
  17         boolean defined;
  18         uint    pipe;
  19         int     format;
  20         int     swizzle;
  21         int     sign;
  22 };
  23
  24 static struct nv40_texture_format
  25 nv40_texture_formats[] = {
  26         _(A8R8G8B8_UNORM, A8R8G8B8,   S1,   S1,   S1,   S1, X, Y, Z, W, 0, 0, 0, 0),
  27         _(A1R5G5B5_UNORM, A1R5G5B5,   S1,   S1,   S1,   S1, X, Y, Z, W, 0, 0, 0, 0),
  28         _(A4R4G4B4_UNORM, A4R4G4B4,   S1,   S1,   S1,   S1, X, Y, Z, W, 0, 0, 0, 0),
  29         _(R5G6B5_UNORM  , R5G6B5  ,   S1,   S1,   S1,  ONE, X, Y, Z, W, 0, 0, 0, 0),
  30         _(L8_UNORM      , L8      ,   S1,   S1,   S1,  ONE, X, X, X, X, 0, 0, 0, 0),
  31         _(A8_UNORM      , L8      , ZERO, ZERO, ZERO,   S1, X, X, X, X, 0, 0, 0, 0),
  32         _(R16_SNORM     , A16     , ZERO, ZERO,   S1,  ONE, X, X, X, Y, 1, 1, 1, 1),
  33         _(I8_UNORM      , L8      ,   S1,   S1,   S1,   S1, X, X, X, X, 0, 0, 0, 0),
  34         _(A8L8_UNORM    , A8L8    ,   S1,   S1,   S1,   S1, X, X, X, Y, 0, 0, 0, 0),
  35         _(Z16_UNORM     , Z16     ,   S1,   S1,   S1,  ONE, X, X, X, X, 0, 0, 0, 0),
  36         _(Z24S8_UNORM   , Z24     ,   S1,   S1,   S1,  ONE, X, X, X, X, 0, 0, 0, 0),
  37         _(DXT1_RGB      , DXT1    ,   S1,   S1,   S1,  ONE, X, Y, Z, W, 0, 0, 0, 0),
  38         _(DXT1_RGBA     , DXT1    ,   S1,   S1,   S1,   S1, X, Y, Z, W, 0, 0, 0, 0),
  39         _(DXT3_RGBA     , DXT3    ,   S1,   S1,   S1,   S1, X, Y, Z, W, 0, 0, 0, 0),
  40         _(DXT5_RGBA     , DXT5    ,   S1,   S1,   S1,   S1, X, Y, Z, W, 0, 0, 0, 0),
  41         {},
  42 };
  43
  44 static struct nv40_texture_format *
  45 nv40_fragtex_format(uint pipe_format)
  46 {
  47         struct nv40_texture_format *tf = nv40_texture_formats;
  48
  49         while (tf->defined) {
  50                 if (tf->pipe == pipe_format)
  51                         return tf;
  52                 tf++;
  53         }
  54
  55         NOUVEAU_ERR("unknown texture format %s\n", pf_name(pipe_format));
  56         return NULL;
  57 }
  58
  59
  60 static struct nouveau_stateobj *
  61 nv40_fragtex_build(struct nv40_context *nv40, int unit)
  62 {
  63         struct nv40_sampler_state *ps = nv40->tex_sampler[unit];
  64         struct nv40_miptree *nv40mt = nv40->tex_miptree[unit];
  65         struct nouveau_bo *bo = nouveau_bo(nv40mt->buffer);
  66         struct pipe_texture *pt = &nv40mt->base;
  67         struct nv40_texture_format *tf;
  68         struct nouveau_stateobj *so;
  69         uint32_t txf, txs, txp;
  70         unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
  71
  72         tf = nv40_fragtex_format(pt->format);
  73         if (!tf)
  74                 assert(0);
  75
  76         txf  = ps->fmt;
  77         txf |= tf->format | 0x8000;
  78         txf |= ((pt->last_level + 1) << NV40TCL_TEX_FORMAT_MIPMAP_COUNT_SHIFT);
  79
  80         if (1) /* XXX */
  81                 txf |= NV40TCL_TEX_FORMAT_NO_BORDER;
  82
  83         switch (pt->target) {
  84         case PIPE_TEXTURE_CUBE:
  85                 txf |= NV40TCL_TEX_FORMAT_CUBIC;
  86                 /* fall-through */
  87         case PIPE_TEXTURE_2D:
  88                 txf |= NV40TCL_TEX_FORMAT_DIMS_2D;
  89                 break;
  90         case PIPE_TEXTURE_3D:
  91                 txf |= NV40TCL_TEX_FORMAT_DIMS_3D;
  92                 break;
  93         case PIPE_TEXTURE_1D:
  94                 txf |= NV40TCL_TEX_FORMAT_DIMS_1D;
  95                 break;
  96         default:
  97                 NOUVEAU_ERR("Unknown target %d\n", pt->target);
  98                 return NULL;
  99         }
 100
 101         if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
 102                 txp = 0;
 103         } else {
 104                 txp  = nv40mt->level[0].pitch;
 105                 txf |= NV40TCL_TEX_FORMAT_LINEAR;
 106         }
 107
 108         txs = tf->swizzle;
 109
 110         so = so_new(16, 2);
 111         so_method(so, nv40->screen->curie, NV40TCL_TEX_OFFSET(unit), 8);
 112         so_reloc (so, bo, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
 113         so_reloc (so, bo, txf, tex_flags | NOUVEAU_BO_OR,
 114                       NV40TCL_TEX_FORMAT_DMA0, NV40TCL_TEX_FORMAT_DMA1);
 115         so_data  (so, ps->wrap);
 116         so_data  (so, NV40TCL_TEX_ENABLE_ENABLE | ps->en);
 117         so_data  (so, txs);
 118         so_data  (so, ps->filt | tf->sign | 0x2000 /*voodoo*/);
 119         so_data  (so, (pt->width[0] << NV40TCL_TEX_SIZE0_W_SHIFT) |
 120                        pt->height[0]);
 121         so_data  (so, ps->bcol);
 122         so_method(so, nv40->screen->curie, NV40TCL_TEX_SIZE1(unit), 1);
 123         so_data  (so, (pt->depth[0] << NV40TCL_TEX_SIZE1_DEPTH_SHIFT) | txp);
 124
 125         return so;
 126 }
 127
 128 static boolean
 129 nv40_fragtex_validate(struct nv40_context *nv40)
 130 {
 131         struct nv40_fragment_program *fp = nv40->fragprog;
 132         struct nv40_state *state = &nv40->state;
 133         struct nouveau_stateobj *so;
 134         unsigned samplers, unit;
 135
 136         samplers = state->fp_samplers & ~fp->samplers;
 137         while (samplers) {
 138                 unit = ffs(samplers) - 1;
 139                 samplers &= ~(1 << unit);
 140
 141                 so = so_new(2, 0);
 142                 so_method(so, nv40->screen->curie, NV40TCL_TEX_ENABLE(unit), 1);
 143                 so_data  (so, 0);
 144                 so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]);
 145                 state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit));
 146         }
 147
 148         samplers = nv40->dirty_samplers & fp->samplers;
 149         while (samplers) {
 150                 unit = ffs(samplers) - 1;
 151                 samplers &= ~(1 << unit);
 152
 153                 so = nv40_fragtex_build(nv40, unit);
 154                 so_ref(so, &nv40->state.hw[NV40_STATE_FRAGTEX0 + unit]);
 155                 so_ref(NULL, &so);
 156                 state->dirty |= (1ULL << (NV40_STATE_FRAGTEX0 + unit));
 157         }
 158
 159         nv40->state.fp_samplers = fp->samplers;
 160         return FALSE;
 161 }
 162
 163 struct nv40_state_entry nv40_state_fragtex = {
 164         .validate = nv40_fragtex_validate,
 165         .dirty = {
 166                 .pipe = NV40_NEW_SAMPLER | NV40_NEW_FRAGPROG,
 167                 .hw = 0
 168         }
 169 };
 170