src/gallium/drivers/nv50/nv50_tex.c

   1 /*
   2  * Copyright 2008 Ben Skeggs
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include "nv50_context.h"
  24 #include "nv50_texture.h"
  25
  26 #include "nouveau/nouveau_stateobj.h"
  27
  28 #define _(pf, tt, r, g, b, a, tf)                               \
  29 {                                                               \
  30         PIPE_FORMAT_##pf,                                       \
  31         NV50TIC_0_0_MAPR_##r | NV50TIC_0_0_TYPER_##tt |         \
  32         NV50TIC_0_0_MAPG_##g | NV50TIC_0_0_TYPEG_##tt |         \
  33         NV50TIC_0_0_MAPB_##b | NV50TIC_0_0_TYPEB_##tt |         \
  34         NV50TIC_0_0_MAPA_##a | NV50TIC_0_0_TYPEA_##tt |         \
  35         NV50TIC_0_0_FMT_##tf                                    \
  36 }
  37
  38 struct nv50_texture_format {
  39         enum pipe_format pf;
  40         uint32_t hw;
  41 };
  42
  43 #define NV50_TEX_FORMAT_LIST_SIZE \
  44         (sizeof(nv50_tex_format_list) / sizeof(struct nv50_texture_format))
  45
  46 static const struct nv50_texture_format nv50_tex_format_list[] =
  47 {
  48         _(A8R8G8B8_UNORM, UNORM, C2, C1, C0, C3,  8_8_8_8),
  49         _(X8R8G8B8_UNORM, UNORM, C2, C1, C0, ONE, 8_8_8_8),
  50         _(A1R5G5B5_UNORM, UNORM, C2, C1, C0, C3,  1_5_5_5),
  51         _(A4R4G4B4_UNORM, UNORM, C2, C1, C0, C3,  4_4_4_4),
  52
  53         _(R5G6B5_UNORM, UNORM, C2, C1, C0, ONE, 5_6_5),
  54
  55         _(L8_UNORM, UNORM, C0, C0, C0, ONE, 8),
  56         _(A8_UNORM, UNORM, ZERO, ZERO, ZERO, C0, 8),
  57         _(I8_UNORM, UNORM, C0, C0, C0, C0, 8),
  58
  59         _(A8L8_UNORM, UNORM, C0, C0, C0, C1, 8_8),
  60
  61         _(DXT1_RGB, UNORM, C0, C1, C2, ONE, DXT1),
  62         _(DXT1_RGBA, UNORM, C0, C1, C2, C3, DXT1),
  63         _(DXT3_RGBA, UNORM, C0, C1, C2, C3, DXT3),
  64         _(DXT5_RGBA, UNORM, C0, C1, C2, C3, DXT5)
  65 };
  66
  67 #undef _
  68
  69 static int
  70 nv50_tex_construct(struct nv50_context *nv50, struct nouveau_stateobj *so,
  71                    struct nv50_miptree *mt, int unit)
  72 {
  73         unsigned i;
  74
  75         for (i = 0; i < NV50_TEX_FORMAT_LIST_SIZE; i++)
  76                 if (nv50_tex_format_list[i].pf == mt->base.base.format)
  77                         break;
  78         if (i == NV50_TEX_FORMAT_LIST_SIZE)
  79                 return 1;
  80
  81         so_data (so, nv50_tex_format_list[i].hw);
  82         so_reloc(so, mt->base.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_LOW |
  83                      NOUVEAU_BO_RD, 0, 0);
  84         if (nv50->sampler[unit]->normalized)
  85                 so_data (so, 0xd0005000 | mt->base.bo->tile_mode << 22);
  86         else
  87                 so_data (so, 0x5001d000 | mt->base.bo->tile_mode << 22);
  88         so_data (so, 0x00300000);
  89         so_data (so, mt->base.base.width[0]);
  90         so_data (so, (mt->base.base.last_level << 28) |
  91                      (mt->base.base.depth[0] << 16) | mt->base.base.height[0]);
  92         so_data (so, 0x03000000);
  93         so_data (so, mt->base.base.last_level << 4);
  94
  95         return 0;
  96 }
  97
  98 void
  99 nv50_tex_validate(struct nv50_context *nv50)
 100 {
 101         struct nouveau_grobj *tesla = nv50->screen->tesla;
 102         struct nouveau_stateobj *so;
 103         int unit, push;
 104
 105         push  = nv50->miptree_nr * 11;
 106         push += MAX2(nv50->miptree_nr, nv50->state.miptree_nr) * 2;
 107
 108         so = so_new(push, nv50->miptree_nr * 2);
 109         for (unit = 0; unit < nv50->miptree_nr; unit++) {
 110                 struct nv50_miptree *mt = nv50->miptree[unit];
 111
 112                 if (!mt)
 113                         continue;
 114
 115                 so_method(so, tesla, NV50TCL_CB_ADDR, 1);
 116                 so_data  (so, ((unit * 8) << NV50TCL_CB_ADDR_ID_SHIFT) |
 117                               NV50_CB_TIC);
 118                 so_method(so, tesla, NV50TCL_CB_DATA(0) | 0x40000000, 8);
 119                 if (nv50_tex_construct(nv50, so, mt, unit)) {
 120                         NOUVEAU_ERR("failed tex validate\n");
 121                         so_ref(NULL, &so);
 122                         return;
 123                 }
 124
 125                 so_method(so, tesla, NV50TCL_SET_SAMPLER_TEX, 1);
 126                 so_data  (so, (unit << NV50TCL_SET_SAMPLER_TEX_TIC_SHIFT) |
 127                         (unit << NV50TCL_SET_SAMPLER_TEX_SAMPLER_SHIFT) |
 128                         NV50TCL_SET_SAMPLER_TEX_VALID);
 129         }
 130
 131         for (; unit < nv50->state.miptree_nr; unit++) {
 132                 so_method(so, tesla, NV50TCL_SET_SAMPLER_TEX, 1);
 133                 so_data  (so,
 134                         (unit << NV50TCL_SET_SAMPLER_TEX_SAMPLER_SHIFT) | 0);
 135         }
 136
 137         so_ref(so, &nv50->state.tic_upload);
 138         so_ref(NULL, &so);
 139         nv50->state.miptree_nr = nv50->miptree_nr;
 140 }
 141