src/gallium/drivers/nv30/nv30_miptree.c

   1 /*
   2  * Copyright 2012 Red Hat Inc.
   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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  *
  24  */
  25
  26 #include "util/u_format.h"
  27 #include "util/u_inlines.h"
  28 #include "util/u_surface.h"
  29
  30 #include "nouveau/nv_m2mf.xml.h"
  31 #include "nv30_screen.h"
  32 #include "nv30_context.h"
  33 #include "nv30_resource.h"
  34 #include "nv30_transfer.h"
  35
  36 static INLINE unsigned
  37 layer_offset(struct pipe_resource *pt, unsigned level, unsigned layer)
  38 {
  39    struct nv30_miptree *mt = nv30_miptree(pt);
  40    struct nv30_miptree_level *lvl = &mt->level[level];
  41
  42    if (pt->target == PIPE_TEXTURE_CUBE)
  43       return (layer * mt->layer_size) + lvl->offset;
  44
  45    return lvl->offset + (layer * lvl->zslice_size);
  46 }
  47
  48 static boolean
  49 nv30_miptree_get_handle(struct pipe_screen *pscreen,
  50                         struct pipe_resource *pt,
  51                         struct winsys_handle *handle)
  52 {
  53    struct nv30_miptree *mt = nv30_miptree(pt);
  54    unsigned stride;
  55
  56    if (!mt || !mt->base.bo)
  57       return FALSE;
  58
  59    stride = mt->level[0].pitch;
  60
  61    return nouveau_screen_bo_get_handle(pscreen, mt->base.bo, stride, handle);
  62 }
  63
  64 static void
  65 nv30_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
  66 {
  67    struct nv30_miptree *mt = nv30_miptree(pt);
  68
  69    nouveau_bo_ref(NULL, &mt->base.bo);
  70    FREE(mt);
  71 }
  72
  73 struct nv30_transfer {
  74    struct pipe_transfer base;
  75    struct nv30_rect img;
  76    struct nv30_rect tmp;
  77    unsigned nblocksx;
  78    unsigned nblocksy;
  79 };
  80
  81 static INLINE struct nv30_transfer *
  82 nv30_transfer(struct pipe_transfer *ptx)
  83 {
  84    return (struct nv30_transfer *)ptx;
  85 }
  86
  87 static INLINE void
  88 define_rect(struct pipe_resource *pt, unsigned level, unsigned z,
  89             unsigned x, unsigned y, unsigned w, unsigned h,
  90             struct nv30_rect *rect)
  91 {
  92    struct nv30_miptree *mt = nv30_miptree(pt);
  93    struct nv30_miptree_level *lvl = &mt->level[level];
  94
  95    rect->w = u_minify(pt->width0, level) << mt->ms_x;
  96    rect->w = util_format_get_nblocksx(pt->format, rect->w);
  97    rect->h = u_minify(pt->height0, level) << mt->ms_y;
  98    rect->h = util_format_get_nblocksy(pt->format, rect->h);
  99    rect->d = 1;
 100    rect->z = 0;
 101    if (mt->swizzled) {
 102       if (pt->target == PIPE_TEXTURE_3D) {
 103          rect->d = u_minify(pt->depth0, level);
 104          rect->z = z; z = 0;
 105       }
 106       rect->pitch = 0;
 107    } else {
 108       rect->pitch = lvl->pitch;
 109    }
 110
 111    rect->bo     = mt->base.bo;
 112    rect->domain = NOUVEAU_BO_VRAM;
 113    rect->offset = layer_offset(pt, level, z);
 114    rect->cpp    = util_format_get_blocksize(pt->format);
 115
 116    rect->x0     = util_format_get_nblocksx(pt->format, x) << mt->ms_x;
 117    rect->y0     = util_format_get_nblocksy(pt->format, y) << mt->ms_y;
 118    rect->x1     = rect->x0 + (w << mt->ms_x);
 119    rect->y1     = rect->y0 + (h << mt->ms_y);
 120 }
 121
 122 void
 123 nv30_resource_copy_region(struct pipe_context *pipe,
 124                           struct pipe_resource *dstres, unsigned dst_level,
 125                           unsigned dstx, unsigned dsty, unsigned dstz,
 126                           struct pipe_resource *srcres, unsigned src_level,
 127                           const struct pipe_box *src_box)
 128 {
 129    struct nv30_context *nv30 = nv30_context(pipe);
 130    struct nv30_rect src, dst;
 131
 132    if (dstres->target == PIPE_BUFFER && srcres->target == PIPE_BUFFER) {
 133       nouveau_copy_buffer(&nv30->base,
 134                           nv04_resource(dstres), dstx,
 135                           nv04_resource(srcres), src_box->x, src_box->width);
 136       return;
 137    }
 138
 139    define_rect(srcres, src_level, src_box->z, src_box->x, src_box->y,
 140                        src_box->width, src_box->height, &src);
 141    define_rect(dstres, dst_level, dstz, dstx, dsty,
 142                        src_box->width, src_box->height, &dst);
 143
 144    nv30_transfer_rect(nv30, NEAREST, &src, &dst);
 145 }
 146
 147 void
 148 nv30_resource_resolve(struct pipe_context *pipe,
 149                       const struct pipe_resolve_info *info)
 150 {
 151 #if 0
 152    struct nv30_context *nv30 = nv30_context(pipe);
 153    struct nv30_rect src, dst;
 154
 155    define_rect(info->src.res, 0, 0, info->src.x0, info->src.y0,
 156                info->src.x1 - info->src.x0, info->src.y1 - info->src.y0, &src);
 157    define_rect(info->dst.res, info->dst.level, 0, info->dst.x0, info->dst.y0,
 158                info->dst.x1 - info->dst.x0, info->dst.y1 - info->dst.y0, &dst);
 159
 160    nv30_transfer_rect(nv30, BILINEAR, &src, &dst);
 161 #endif
 162 }
 163
 164 void
 165 nv30_blit(struct pipe_context *pipe,
 166           const struct pipe_blit_info *blit_info)
 167 {
 168    struct nv30_context *nv30 = nv30_context(pipe);
 169    struct pipe_blit_info info = *blit_info;
 170
 171    if (info.src.resource->nr_samples > 1 &&
 172        info.dst.resource->nr_samples <= 1 &&
 173        !util_format_is_depth_or_stencil(info.src.resource->format) &&
 174        !util_format_is_pure_integer(info.src.resource->format)) {
 175       debug_printf("nv30: color resolve unimplemented\n");
 176       return;
 177    }
 178
 179    if (util_try_blit_via_copy_region(pipe, &info)) {
 180       return; /* done */
 181    }
 182
 183    if (info.mask & PIPE_MASK_S) {
 184       debug_printf("nv30: cannot blit stencil, skipping\n");
 185       info.mask &= ~PIPE_MASK_S;
 186    }
 187
 188    if (!util_blitter_is_blit_supported(nv30->blitter, &info)) {
 189       debug_printf("nv30: blit unsupported %s -> %s\n",
 190                    util_format_short_name(info.src.resource->format),
 191                    util_format_short_name(info.dst.resource->format));
 192       return;
 193    }
 194
 195    /* XXX turn off occlusion queries */
 196
 197    util_blitter_save_vertex_buffer_slot(nv30->blitter, nv30->vtxbuf);
 198    util_blitter_save_vertex_elements(nv30->blitter, nv30->vertex);
 199    util_blitter_save_vertex_shader(nv30->blitter, nv30->vertprog.program);
 200    util_blitter_save_rasterizer(nv30->blitter, nv30->rast);
 201    util_blitter_save_viewport(nv30->blitter, &nv30->viewport);
 202    util_blitter_save_scissor(nv30->blitter, &nv30->scissor);
 203    util_blitter_save_fragment_shader(nv30->blitter, nv30->fragprog.program);
 204    util_blitter_save_blend(nv30->blitter, nv30->blend);
 205    util_blitter_save_depth_stencil_alpha(nv30->blitter,
 206                                          nv30->zsa);
 207    util_blitter_save_stencil_ref(nv30->blitter, &nv30->stencil_ref);
 208    util_blitter_save_sample_mask(nv30->blitter, nv30->sample_mask);
 209    util_blitter_save_framebuffer(nv30->blitter, &nv30->framebuffer);
 210    util_blitter_save_fragment_sampler_states(nv30->blitter,
 211                      nv30->fragprog.num_samplers,
 212                      (void**)nv30->fragprog.samplers);
 213    util_blitter_save_fragment_sampler_views(nv30->blitter,
 214                      nv30->fragprog.num_textures, nv30->fragprog.textures);
 215    util_blitter_save_render_condition(nv30->blitter, nv30->render_cond_query,
 216                                       nv30->render_cond_mode);
 217    util_blitter_blit(nv30->blitter, &info);
 218 }
 219
 220 static void *
 221 nv30_miptree_transfer_map(struct pipe_context *pipe, struct pipe_resource *pt,
 222                           unsigned level, unsigned usage,
 223                           const struct pipe_box *box,
 224                           struct pipe_transfer **ptransfer)
 225 {
 226    struct nv30_context *nv30 = nv30_context(pipe);
 227    struct nouveau_device *dev = nv30->screen->base.device;
 228    struct nv30_transfer *tx;
 229    unsigned access = 0;
 230    int ret;
 231
 232    tx = CALLOC_STRUCT(nv30_transfer);
 233    if (!tx)
 234       return NULL;
 235    pipe_resource_reference(&tx->base.resource, pt);
 236    tx->base.level = level;
 237    tx->base.usage = usage;
 238    tx->base.box = *box;
 239    tx->base.stride = util_format_get_nblocksx(pt->format, box->width) *
 240                      util_format_get_blocksize(pt->format);
 241    tx->base.layer_stride = util_format_get_nblocksy(pt->format, box->height) *
 242                            tx->base.stride;
 243
 244    tx->nblocksx = util_format_get_nblocksx(pt->format, box->width);
 245    tx->nblocksy = util_format_get_nblocksy(pt->format, box->height);
 246
 247    define_rect(pt, level, box->z, box->x, box->y,
 248                    tx->nblocksx, tx->nblocksy, &tx->img);
 249
 250    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
 251                         tx->base.layer_stride, NULL, &tx->tmp.bo);
 252    if (ret) {
 253       pipe_resource_reference(&tx->base.resource, NULL);
 254       FREE(tx);
 255       return NULL;
 256    }
 257
 258    tx->tmp.domain = NOUVEAU_BO_GART;
 259    tx->tmp.offset = 0;
 260    tx->tmp.pitch  = tx->base.stride;
 261    tx->tmp.cpp    = tx->img.cpp;
 262    tx->tmp.w      = tx->nblocksx;
 263    tx->tmp.h      = tx->nblocksy;
 264    tx->tmp.d      = 1;
 265    tx->tmp.x0     = 0;
 266    tx->tmp.y0     = 0;
 267    tx->tmp.x1     = tx->tmp.w;
 268    tx->tmp.y1     = tx->tmp.h;
 269    tx->tmp.z      = 0;
 270
 271    if (usage & PIPE_TRANSFER_READ)
 272       nv30_transfer_rect(nv30, NEAREST, &tx->img, &tx->tmp);
 273
 274    if (tx->tmp.bo->map) {
 275       *ptransfer = &tx->base;
 276       return tx->tmp.bo->map;
 277    }
 278
 279    if (usage & PIPE_TRANSFER_READ)
 280       access |= NOUVEAU_BO_RD;
 281    if (usage & PIPE_TRANSFER_WRITE)
 282       access |= NOUVEAU_BO_WR;
 283
 284    ret = nouveau_bo_map(tx->tmp.bo, access, nv30->base.client);
 285    if (ret) {
 286       pipe_resource_reference(&tx->base.resource, NULL);
 287       FREE(tx);
 288       return NULL;
 289    }
 290
 291    *ptransfer = &tx->base;
 292    return tx->tmp.bo->map;
 293 }
 294
 295 static void
 296 nv30_miptree_transfer_unmap(struct pipe_context *pipe,
 297                             struct pipe_transfer *ptx)
 298 {
 299    struct nv30_context *nv30 = nv30_context(pipe);
 300    struct nv30_transfer *tx = nv30_transfer(ptx);
 301
 302    if (ptx->usage & PIPE_TRANSFER_WRITE)
 303       nv30_transfer_rect(nv30, NEAREST, &tx->tmp, &tx->img);
 304
 305    nouveau_bo_ref(NULL, &tx->tmp.bo);
 306    pipe_resource_reference(&ptx->resource, NULL);
 307    FREE(tx);
 308 }
 309
 310 const struct u_resource_vtbl nv30_miptree_vtbl = {
 311    nv30_miptree_get_handle,
 312    nv30_miptree_destroy,
 313    nv30_miptree_transfer_map,
 314    u_default_transfer_flush_region,
 315    nv30_miptree_transfer_unmap,
 316    u_default_transfer_inline_write
 317 };
 318
 319 struct pipe_resource *
 320 nv30_miptree_create(struct pipe_screen *pscreen,
 321                     const struct pipe_resource *tmpl)
 322 {
 323    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
 324    struct nv30_miptree *mt = CALLOC_STRUCT(nv30_miptree);
 325    struct pipe_resource *pt = &mt->base.base;
 326    unsigned blocksz, size;
 327    unsigned w, h, d, l;
 328    int ret;
 329
 330    switch (tmpl->nr_samples) {
 331    case 4:
 332       mt->ms_mode = 0x00004000;
 333       mt->ms_x = 1;
 334       mt->ms_y = 1;
 335       break;
 336    case 2:
 337       mt->ms_mode = 0x00003000;
 338       mt->ms_x = 1;
 339       mt->ms_y = 0;
 340       break;
 341    default:
 342       mt->ms_mode = 0x00000000;
 343       mt->ms_x = 0;
 344       mt->ms_y = 0;
 345       break;
 346    }
 347
 348    mt->base.vtbl = &nv30_miptree_vtbl;
 349    *pt = *tmpl;
 350    pipe_reference_init(&pt->reference, 1);
 351    pt->screen = pscreen;
 352
 353    w = pt->width0 << mt->ms_x;
 354    h = pt->height0 << mt->ms_y;
 355    d = (pt->target == PIPE_TEXTURE_3D) ? pt->depth0 : 1;
 356    blocksz = util_format_get_blocksize(pt->format);
 357
 358    if ((pt->target == PIPE_TEXTURE_RECT) ||
 359        !util_is_power_of_two(pt->width0) ||
 360        !util_is_power_of_two(pt->height0) ||
 361        !util_is_power_of_two(pt->depth0) ||
 362        util_format_is_compressed(pt->format) ||
 363        util_format_is_float(pt->format) || mt->ms_mode) {
 364       mt->uniform_pitch = util_format_get_nblocksx(pt->format, w) * blocksz;
 365       mt->uniform_pitch = align(mt->uniform_pitch, 64);
 366    }
 367
 368    if (!mt->uniform_pitch)
 369       mt->swizzled = TRUE;
 370
 371    size = 0;
 372    for (l = 0; l <= pt->last_level; l++) {
 373       struct nv30_miptree_level *lvl = &mt->level[l];
 374       unsigned nbx = util_format_get_nblocksx(pt->format, w);
 375       unsigned nby = util_format_get_nblocksx(pt->format, h);
 376
 377       lvl->offset = size;
 378       lvl->pitch  = mt->uniform_pitch;
 379       if (!lvl->pitch)
 380          lvl->pitch = nbx * blocksz;
 381
 382       lvl->zslice_size = lvl->pitch * nby;
 383       size += lvl->zslice_size * d;
 384
 385       w = u_minify(w, 1);
 386       h = u_minify(h, 1);
 387       d = u_minify(d, 1);
 388    }
 389
 390    mt->layer_size = size;
 391    if (pt->target == PIPE_TEXTURE_CUBE) {
 392       if (!mt->uniform_pitch)
 393          mt->layer_size = align(mt->layer_size, 128);
 394       size = mt->layer_size * 6;
 395    }
 396
 397    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 256, size, NULL, &mt->base.bo);
 398    if (ret) {
 399       FREE(mt);
 400       return NULL;
 401    }
 402
 403    mt->base.domain = NOUVEAU_BO_VRAM;
 404    return &mt->base.base;
 405 }
 406
 407 struct pipe_resource *
 408 nv30_miptree_from_handle(struct pipe_screen *pscreen,
 409                          const struct pipe_resource *tmpl,
 410                          struct winsys_handle *handle)
 411 {
 412    struct nv30_miptree *mt;
 413    unsigned stride;
 414
 415    /* only supports 2D, non-mipmapped textures for the moment */
 416    if ((tmpl->target != PIPE_TEXTURE_2D &&
 417         tmpl->target != PIPE_TEXTURE_RECT) ||
 418        tmpl->last_level != 0 ||
 419        tmpl->depth0 != 1 ||
 420        tmpl->array_size > 1)
 421       return NULL;
 422
 423    mt = CALLOC_STRUCT(nv30_miptree);
 424    if (!mt)
 425       return NULL;
 426
 427    mt->base.bo = nouveau_screen_bo_from_handle(pscreen, handle, &stride);
 428    if (mt->base.bo == NULL) {
 429       FREE(mt);
 430       return NULL;
 431    }
 432
 433    mt->base.base = *tmpl;
 434    mt->base.vtbl = &nv30_miptree_vtbl;
 435    pipe_reference_init(&mt->base.base.reference, 1);
 436    mt->base.base.screen = pscreen;
 437    mt->uniform_pitch = stride;
 438    mt->level[0].pitch = mt->uniform_pitch;
 439    mt->level[0].offset = 0;
 440
 441    /* no need to adjust bo reference count */
 442    return &mt->base.base;
 443 }
 444
 445 struct pipe_surface *
 446 nv30_miptree_surface_new(struct pipe_context *pipe,
 447                          struct pipe_resource *pt,
 448                          const struct pipe_surface *tmpl)
 449 {
 450    struct nv30_miptree *mt = nv30_miptree(pt); /* guaranteed */
 451    struct nv30_surface *ns;
 452    struct pipe_surface *ps;
 453    struct nv30_miptree_level *lvl = &mt->level[tmpl->u.tex.level];
 454
 455    ns = CALLOC_STRUCT(nv30_surface);
 456    if (!ns)
 457       return NULL;
 458    ps = &ns->base;
 459
 460    pipe_reference_init(&ps->reference, 1);
 461    pipe_resource_reference(&ps->texture, pt);
 462    ps->context = pipe;
 463    ps->format = tmpl->format;
 464    ps->u.tex.level = tmpl->u.tex.level;
 465    ps->u.tex.first_layer = tmpl->u.tex.first_layer;
 466    ps->u.tex.last_layer = tmpl->u.tex.last_layer;
 467
 468    ns->width = u_minify(pt->width0, ps->u.tex.level);
 469    ns->height = u_minify(pt->height0, ps->u.tex.level);
 470    ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
 471    ns->offset = layer_offset(pt, ps->u.tex.level, ps->u.tex.first_layer);
 472    if (mt->swizzled)
 473       ns->pitch = 4096; /* random, just something the hw won't reject.. */
 474    else
 475       ns->pitch = lvl->pitch;
 476
 477    /* comment says there are going to be removed, but they're used by the st */
 478    ps->width = ns->width;
 479    ps->height = ns->height;
 480    return ps;
 481 }
 482
 483 void
 484 nv30_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps)
 485 {
 486    struct nv30_surface *ns = nv30_surface(ps);
 487
 488    pipe_resource_reference(&ps->texture, NULL);
 489    FREE(ns);
 490 }