Home | History | Annotate | Download | only in nv50
      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_resource.h"
     25 #include "nv50_texture.xml.h"
     26 #include "nv50_defs.xml.h"
     27 
     28 #include "util/u_format.h"
     29 
     30 #define NV50_TIC_0_SWIZZLE__MASK                      \
     31    (NV50_TIC_0_MAPA__MASK | NV50_TIC_0_MAPB__MASK |   \
     32     NV50_TIC_0_MAPG__MASK | NV50_TIC_0_MAPR__MASK)
     33 
     34 static INLINE uint32_t
     35 nv50_tic_swizzle(uint32_t tc, unsigned swz, boolean tex_int)
     36 {
     37    switch (swz) {
     38    case PIPE_SWIZZLE_RED:
     39       return (tc & NV50_TIC_0_MAPR__MASK) >> NV50_TIC_0_MAPR__SHIFT;
     40    case PIPE_SWIZZLE_GREEN:
     41       return (tc & NV50_TIC_0_MAPG__MASK) >> NV50_TIC_0_MAPG__SHIFT;
     42    case PIPE_SWIZZLE_BLUE:
     43       return (tc & NV50_TIC_0_MAPB__MASK) >> NV50_TIC_0_MAPB__SHIFT;
     44    case PIPE_SWIZZLE_ALPHA:
     45       return (tc & NV50_TIC_0_MAPA__MASK) >> NV50_TIC_0_MAPA__SHIFT;
     46    case PIPE_SWIZZLE_ONE:
     47       return tex_int ? NV50_TIC_MAP_ONE_INT : NV50_TIC_MAP_ONE_FLOAT;
     48    case PIPE_SWIZZLE_ZERO:
     49    default:
     50       return NV50_TIC_MAP_ZERO;
     51    }
     52 }
     53 
     54 static void
     55 nv50_init_tic_entry_linear(uint32_t *tic, struct pipe_resource *res)
     56 {
     57    if (res->target == PIPE_BUFFER) {
     58       tic[2] |= NV50_TIC_2_LINEAR | NV50_TIC_2_TARGET_BUFFER;
     59       tic[4] = res->width0;
     60    } else {
     61       struct nv50_miptree *mt = nv50_miptree(res);
     62 
     63       tic[2] |= NV50_TIC_2_LINEAR | NV50_TIC_2_TARGET_RECT;
     64       if (res->target != PIPE_TEXTURE_RECT)
     65          tic[2] |= NV50_TIC_2_NORMALIZED_COORDS;
     66       tic[3] = mt->level[0].pitch;
     67       tic[4] = res->width0;
     68       tic[5] = (1 << 16) | res->height0;
     69    }
     70 }
     71 
     72 struct pipe_sampler_view *
     73 nv50_create_sampler_view(struct pipe_context *pipe,
     74                          struct pipe_resource *texture,
     75                          const struct pipe_sampler_view *templ)
     76 {
     77    const struct util_format_description *desc;
     78    uint64_t addr;
     79    uint32_t *tic;
     80    uint32_t swz[4];
     81    uint32_t depth;
     82    struct nv50_tic_entry *view;
     83    struct nv50_miptree *mt = nv50_miptree(texture);
     84    boolean tex_int;
     85 
     86    view = MALLOC_STRUCT(nv50_tic_entry);
     87    if (!view)
     88       return NULL;
     89 
     90    view->pipe = *templ;
     91    view->pipe.reference.count = 1;
     92    view->pipe.texture = NULL;
     93    view->pipe.context = pipe;
     94 
     95    view->id = -1;
     96 
     97    pipe_resource_reference(&view->pipe.texture, texture);
     98 
     99    tic = &view->tic[0];
    100 
    101    desc = util_format_description(view->pipe.format);
    102 
    103    /* TIC[0] */
    104 
    105    tic[0] = nv50_format_table[view->pipe.format].tic;
    106 
    107    tex_int = util_format_is_pure_integer(view->pipe.format);
    108 
    109    swz[0] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_r, tex_int);
    110    swz[1] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_g, tex_int);
    111    swz[2] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_b, tex_int);
    112    swz[3] = nv50_tic_swizzle(tic[0], view->pipe.swizzle_a, tex_int);
    113    tic[0] = (tic[0] & ~NV50_TIC_0_SWIZZLE__MASK) |
    114       (swz[0] << NV50_TIC_0_MAPR__SHIFT) |
    115       (swz[1] << NV50_TIC_0_MAPG__SHIFT) |
    116       (swz[2] << NV50_TIC_0_MAPB__SHIFT) |
    117       (swz[3] << NV50_TIC_0_MAPA__SHIFT);
    118 
    119    addr = mt->base.address;
    120 
    121    if (mt->base.base.target == PIPE_TEXTURE_1D_ARRAY ||
    122        mt->base.base.target == PIPE_TEXTURE_2D_ARRAY) {
    123       addr += view->pipe.u.tex.first_layer * mt->layer_stride;
    124       depth = view->pipe.u.tex.last_layer - view->pipe.u.tex.first_layer + 1;
    125    } else {
    126       depth = mt->base.base.depth0;
    127    }
    128 
    129    tic[1] = addr;
    130    tic[2] = (addr >> 32) & 0xff;
    131 
    132    tic[2] |= 0x10001000 | NV50_TIC_2_NO_BORDER;
    133 
    134    if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB)
    135       tic[2] |= NV50_TIC_2_COLORSPACE_SRGB;
    136 
    137    if (unlikely(!nouveau_bo_memtype(nv04_resource(texture)->bo))) {
    138       nv50_init_tic_entry_linear(tic, texture);
    139       return &view->pipe;
    140    }
    141 
    142    if (mt->base.base.target != PIPE_TEXTURE_RECT)
    143       tic[2] |= NV50_TIC_2_NORMALIZED_COORDS;
    144 
    145    tic[2] |=
    146       ((mt->level[0].tile_mode & 0x0f0) << (22 - 4)) |
    147       ((mt->level[0].tile_mode & 0xf00) << (25 - 8));
    148 
    149    switch (mt->base.base.target) {
    150    case PIPE_TEXTURE_1D:
    151       tic[2] |= NV50_TIC_2_TARGET_1D;
    152       break;
    153    case PIPE_TEXTURE_2D:
    154       tic[2] |= NV50_TIC_2_TARGET_2D;
    155       break;
    156    case PIPE_TEXTURE_RECT:
    157       tic[2] |= NV50_TIC_2_TARGET_RECT;
    158       break;
    159    case PIPE_TEXTURE_3D:
    160       tic[2] |= NV50_TIC_2_TARGET_3D;
    161       break;
    162    case PIPE_TEXTURE_CUBE:
    163       depth /= 6;
    164       if (depth > 1)
    165          tic[2] |= NV50_TIC_2_TARGET_CUBE_ARRAY;
    166       else
    167          tic[2] |= NV50_TIC_2_TARGET_CUBE;
    168       break;
    169    case PIPE_TEXTURE_1D_ARRAY:
    170       tic[2] |= NV50_TIC_2_TARGET_1D_ARRAY;
    171       break;
    172    case PIPE_TEXTURE_2D_ARRAY:
    173       tic[2] |= NV50_TIC_2_TARGET_2D_ARRAY;
    174       break;
    175    case PIPE_BUFFER:
    176       assert(0); /* should be linear and handled above ! */
    177       tic[2] |= NV50_TIC_2_TARGET_BUFFER | NV50_TIC_2_LINEAR;
    178       break;
    179    default:
    180       NOUVEAU_ERR("invalid texture target: %d\n", mt->base.base.target);
    181       return FALSE;
    182    }
    183 
    184    tic[3] = 0x00300000;
    185 
    186    tic[4] = (1 << 31) | (mt->base.base.width0 << mt->ms_x);
    187 
    188    tic[5] = (mt->base.base.height0 << mt->ms_y) & 0xffff;
    189    tic[5] |= depth << 16;
    190    tic[5] |= mt->base.base.last_level << 28;
    191 
    192    tic[6] = (mt->ms_x > 1) ? 0x88000000 : 0x03000000; /* sampling points */
    193 
    194    tic[7] = (view->pipe.u.tex.last_level << 4) | view->pipe.u.tex.first_level;
    195 
    196    return &view->pipe;
    197 }
    198 
    199 static boolean
    200 nv50_validate_tic(struct nv50_context *nv50, int s)
    201 {
    202    struct nouveau_pushbuf *push = nv50->base.pushbuf;
    203    struct nouveau_bo *txc = nv50->screen->txc;
    204    unsigned i;
    205    boolean need_flush = FALSE;
    206 
    207    for (i = 0; i < nv50->num_textures[s]; ++i) {
    208       struct nv50_tic_entry *tic = nv50_tic_entry(nv50->textures[s][i]);
    209       struct nv04_resource *res;
    210 
    211       if (!tic) {
    212          BEGIN_NV04(push, NV50_3D(BIND_TIC(s)), 1);
    213          PUSH_DATA (push, (i << 1) | 0);
    214          continue;
    215       }
    216       res = &nv50_miptree(tic->pipe.texture)->base;
    217 
    218       if (tic->id < 0) {
    219          tic->id = nv50_screen_tic_alloc(nv50->screen, tic);
    220 
    221          BEGIN_NV04(push, NV50_2D(DST_FORMAT), 2);
    222          PUSH_DATA (push, NV50_SURFACE_FORMAT_R8_UNORM);
    223          PUSH_DATA (push, 1);
    224          BEGIN_NV04(push, NV50_2D(DST_PITCH), 5);
    225          PUSH_DATA (push, 262144);
    226          PUSH_DATA (push, 65536);
    227          PUSH_DATA (push, 1);
    228          PUSH_DATAh(push, txc->offset);
    229          PUSH_DATA (push, txc->offset);
    230          BEGIN_NV04(push, NV50_2D(SIFC_BITMAP_ENABLE), 2);
    231          PUSH_DATA (push, 0);
    232          PUSH_DATA (push, NV50_SURFACE_FORMAT_R8_UNORM);
    233          BEGIN_NV04(push, NV50_2D(SIFC_WIDTH), 10);
    234          PUSH_DATA (push, 32);
    235          PUSH_DATA (push, 1);
    236          PUSH_DATA (push, 0);
    237          PUSH_DATA (push, 1);
    238          PUSH_DATA (push, 0);
    239          PUSH_DATA (push, 1);
    240          PUSH_DATA (push, 0);
    241          PUSH_DATA (push, tic->id * 32);
    242          PUSH_DATA (push, 0);
    243          PUSH_DATA (push, 0);
    244          BEGIN_NI04(push, NV50_2D(SIFC_DATA), 8);
    245          PUSH_DATAp(push, &tic->tic[0], 8);
    246 
    247          need_flush = TRUE;
    248       } else
    249       if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
    250          BEGIN_NV04(push, NV50_3D(TEX_CACHE_CTL), 1);
    251          PUSH_DATA (push, 0x20);
    252       }
    253 
    254       nv50->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
    255 
    256       res->status &= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
    257       res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
    258 
    259       BCTX_REFN(nv50->bufctx_3d, TEXTURES, res, RD);
    260 
    261       BEGIN_NV04(push, NV50_3D(BIND_TIC(s)), 1);
    262       PUSH_DATA (push, (tic->id << 9) | (i << 1) | 1);
    263    }
    264    for (; i < nv50->state.num_textures[s]; ++i) {
    265       BEGIN_NV04(push, NV50_3D(BIND_TIC(s)), 1);
    266       PUSH_DATA (push, (i << 1) | 0);
    267    }
    268    nv50->state.num_textures[s] = nv50->num_textures[s];
    269 
    270    return need_flush;
    271 }
    272 
    273 void nv50_validate_textures(struct nv50_context *nv50)
    274 {
    275    boolean need_flush;
    276 
    277    need_flush  = nv50_validate_tic(nv50, 0);
    278    need_flush |= nv50_validate_tic(nv50, 2);
    279 
    280    if (need_flush) {
    281       BEGIN_NV04(nv50->base.pushbuf, NV50_3D(TIC_FLUSH), 1);
    282       PUSH_DATA (nv50->base.pushbuf, 0);
    283    }
    284 }
    285 
    286 static boolean
    287 nv50_validate_tsc(struct nv50_context *nv50, int s)
    288 {
    289    struct nouveau_pushbuf *push = nv50->base.pushbuf;
    290    unsigned i;
    291    boolean need_flush = FALSE;
    292 
    293    for (i = 0; i < nv50->num_samplers[s]; ++i) {
    294       struct nv50_tsc_entry *tsc = nv50_tsc_entry(nv50->samplers[s][i]);
    295 
    296       if (!tsc) {
    297          BEGIN_NV04(push, NV50_3D(BIND_TSC(s)), 1);
    298          PUSH_DATA (push, (i << 4) | 0);
    299          continue;
    300       }
    301       if (tsc->id < 0) {
    302          tsc->id = nv50_screen_tsc_alloc(nv50->screen, tsc);
    303 
    304          nv50_sifc_linear_u8(&nv50->base, nv50->screen->txc,
    305                              65536 + tsc->id * 32,
    306                              NOUVEAU_BO_VRAM, 32, tsc->tsc);
    307          need_flush = TRUE;
    308       }
    309       nv50->screen->tsc.lock[tsc->id / 32] |= 1 << (tsc->id % 32);
    310 
    311       BEGIN_NV04(push, NV50_3D(BIND_TSC(s)), 1);
    312       PUSH_DATA (push, (tsc->id << 12) | (i << 4) | 1);
    313    }
    314    for (; i < nv50->state.num_samplers[s]; ++i) {
    315       BEGIN_NV04(push, NV50_3D(BIND_TSC(s)), 1);
    316       PUSH_DATA (push, (i << 4) | 0);
    317    }
    318    nv50->state.num_samplers[s] = nv50->num_samplers[s];
    319 
    320    return need_flush;
    321 }
    322 
    323 void nv50_validate_samplers(struct nv50_context *nv50)
    324 {
    325    boolean need_flush;
    326 
    327    need_flush  = nv50_validate_tsc(nv50, 0);
    328    need_flush |= nv50_validate_tsc(nv50, 2);
    329 
    330    if (need_flush) {
    331       BEGIN_NV04(nv50->base.pushbuf, NV50_3D(TSC_FLUSH), 1);
    332       PUSH_DATA (nv50->base.pushbuf, 0);
    333    }
    334 }
    335