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 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  * 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       util_resource_copy_region(pipe, dstres, dst_level, dstx, dsty, dstz,
 134                                       srcres, src_level, src_box);
 135       return;
 136    }
 137
 138    define_rect(srcres, src_level, src_box->z, src_box->x, src_box->y,
 139                        src_box->width, src_box->height, &src);
 140    define_rect(dstres, dst_level, dstz, dstx, dsty,
 141                        src_box->width, src_box->height, &dst);
 142
 143    nv30_transfer_rect(nv30, NEAREST, &src, &dst);
 144 }
 145
 146 void
 147 nv30_resource_resolve(struct pipe_context *pipe,
 148                       const struct pipe_resolve_info *info)
 149 {
 150 #if 0
 151    struct nv30_context *nv30 = nv30_context(pipe);
 152    struct nv30_rect src, dst;
 153
 154    define_rect(info->src.res, 0, 0, info->src.x0, info->src.y0,
 155                info->src.x1 - info->src.x0, info->src.y1 - info->src.y0, &src);
 156    define_rect(info->dst.res, info->dst.level, 0, info->dst.x0, info->dst.y0,
 157                info->dst.x1 - info->dst.x0, info->dst.y1 - info->dst.y0, &dst);
 158
 159    nv30_transfer_rect(nv30, BILINEAR, &src, &dst);
 160 #endif
 161 }
 162
 163 void
 164 nv30_blit(struct pipe_context *pipe,
 165           const struct pipe_blit_info *blit_info)
 166 {
 167    struct nv30_context *nv30 = nv30_context(pipe);
 168    struct pipe_blit_info info = *blit_info;
 169
 170    if (info.src.resource->nr_samples > 1 &&
 171        info.dst.resource->nr_samples <= 1 &&
 172        !util_format_is_depth_or_stencil(info.src.resource->format) &&
 173        !util_format_is_pure_integer(info.src.resource->format)) {
 174       debug_printf("nv30: color resolve unimplemented\n");
 175       return;
 176    }
 177
 178    if (util_try_blit_via_copy_region(pipe, &info)) {
 179       return; /* done */
 180    }
 181
 182    if (info.mask & PIPE_MASK_S) {
 183       debug_printf("nv30: cannot blit stencil, skipping\n");
 184       info.mask &= ~PIPE_MASK_S;
 185    }
 186
 187    if (!util_blitter_is_blit_supported(nv30->blitter, &info)) {
 188       debug_printf("nv30: blit unsupported %s -> %s\n",
 189                    util_format_short_name(info.src.resource->format),
 190                    util_format_short_name(info.dst.resource->format));
 191       return;
 192    }
 193
 194    /* XXX turn off occlusion queries */
 195
 196    util_blitter_save_vertex_buffer_slot(nv30->blitter, nv30->vtxbuf);
 197    util_blitter_save_vertex_elements(nv30->blitter, nv30->vertex);
 198    util_blitter_save_vertex_shader(nv30->blitter, nv30->vertprog.program);
 199    util_blitter_save_rasterizer(nv30->blitter, nv30->rast);
 200    util_blitter_save_viewport(nv30->blitter, &nv30->viewport);
 201    util_blitter_save_scissor(nv30->blitter, &nv30->scissor);
 202    util_blitter_save_fragment_shader(nv30->blitter, nv30->fragprog.program);
 203    util_blitter_save_blend(nv30->blitter, nv30->blend);
 204    util_blitter_save_depth_stencil_alpha(nv30->blitter,
 205                                          nv30->zsa);
 206    util_blitter_save_stencil_ref(nv30->blitter, &nv30->stencil_ref);
 207    util_blitter_save_sample_mask(nv30->blitter, nv30->sample_mask);
 208    util_blitter_save_framebuffer(nv30->blitter, &nv30->framebuffer);
 209    util_blitter_save_fragment_sampler_states(nv30->blitter,
 210                      nv30->fragprog.num_samplers,
 211                      (void**)nv30->fragprog.samplers);
 212    util_blitter_save_fragment_sampler_views(nv30->blitter,
 213                      nv30->fragprog.num_textures, nv30->fragprog.textures);
 214    util_blitter_save_render_condition(nv30->blitter, nv30->render_cond_query,
 215                                       nv30->render_cond_mode);
 216    util_blitter_blit(nv30->blitter, &info);
 217 }
 218
 219 static void *
 220 nv30_miptree_transfer_map(struct pipe_context *pipe, struct pipe_resource *pt,
 221                           unsigned level, unsigned usage,
 222                           const struct pipe_box *box,
 223                           struct pipe_transfer **ptransfer)
 224 {
 225    struct nv30_context *nv30 = nv30_context(pipe);
 226    struct nouveau_device *dev = nv30->screen->base.device;
 227    struct nv30_transfer *tx;
 228    unsigned access = 0;
 229    int ret;
 230
 231    tx = CALLOC_STRUCT(nv30_transfer);
 232    if (!tx)
 233       return NULL;
 234    pipe_resource_reference(&tx->base.resource, pt);
 235    tx->base.level = level;
 236    tx->base.usage = usage;
 237    tx->base.box = *box;
 238    tx->base.stride = util_format_get_nblocksx(pt->format, box->width) *
 239                      util_format_get_blocksize(pt->format);
 240    tx->base.layer_stride = util_format_get_nblocksy(pt->format, box->height) *
 241                            tx->base.stride;
 242
 243    tx->nblocksx = util_format_get_nblocksx(pt->format, box->width);
 244    tx->nblocksy = util_format_get_nblocksy(pt->format, box->height);
 245
 246    define_rect(pt, level, box->z, box->x, box->y,
 247                    tx->nblocksx, tx->nblocksy, &tx->img);
 248
 249    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
 250                         tx->base.layer_stride, NULL, &tx->tmp.bo);
 251    if (ret) {
 252       pipe_resource_reference(&tx->base.resource, NULL);
 253       FREE(tx);
 254       return NULL;
 255    }
 256
 257    tx->tmp.domain = NOUVEAU_BO_GART;
 258    tx->tmp.offset = 0;
 259    tx->tmp.pitch  = tx->base.stride;
 260    tx->tmp.cpp    = tx->img.cpp;
 261    tx->tmp.w      = tx->nblocksx;
 262    tx->tmp.h      = tx->nblocksy;
 263    tx->tmp.d      = 1;
 264    tx->tmp.x0     = 0;
 265    tx->tmp.y0     = 0;
 266    tx->tmp.x1     = tx->tmp.w;
 267    tx->tmp.y1     = tx->tmp.h;
 268    tx->tmp.z      = 0;
 269
 270    if (usage & PIPE_TRANSFER_READ)
 271       nv30_transfer_rect(nv30, NEAREST, &tx->img, &tx->tmp);
 272
 273    if (tx->tmp.bo->map) {
 274       *ptransfer = &tx->base;
 275       return tx->tmp.bo->map;
 276    }
 277
 278    if (usage & PIPE_TRANSFER_READ)
 279       access |= NOUVEAU_BO_RD;
 280    if (usage & PIPE_TRANSFER_WRITE)
 281       access |= NOUVEAU_BO_WR;
 282
 283    ret = nouveau_bo_map(tx->tmp.bo, access, nv30->base.client);
 284    if (ret) {
 285       pipe_resource_reference(&tx->base.resource, NULL);
 286       FREE(tx);
 287       return NULL;
 288    }
 289
 290    *ptransfer = &tx->base;
 291    return tx->tmp.bo->map;
 292 }
 293
 294 static void
 295 nv30_miptree_transfer_unmap(struct pipe_context *pipe,
 296                             struct pipe_transfer *ptx)
 297 {
 298    struct nv30_context *nv30 = nv30_context(pipe);
 299    struct nv30_transfer *tx = nv30_transfer(ptx);
 300
 301    if (ptx->usage & PIPE_TRANSFER_WRITE)
 302       nv30_transfer_rect(nv30, NEAREST, &tx->tmp, &tx->img);
 303
 304    nouveau_bo_ref(NULL, &tx->tmp.bo);
 305    pipe_resource_reference(&ptx->resource, NULL);
 306    FREE(tx);
 307 }
 308
 309 const struct u_resource_vtbl nv30_miptree_vtbl = {
 310    nv30_miptree_get_handle,
 311    nv30_miptree_destroy,
 312    nv30_miptree_transfer_map,
 313    u_default_transfer_flush_region,
 314    nv30_miptree_transfer_unmap,
 315    u_default_transfer_inline_write
 316 };
 317
 318 struct pipe_resource *
 319 nv30_miptree_create(struct pipe_screen *pscreen,
 320                     const struct pipe_resource *tmpl)
 321 {
 322    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
 323    struct nv30_miptree *mt = CALLOC_STRUCT(nv30_miptree);
 324    struct pipe_resource *pt = &mt->base.base;
 325    unsigned blocksz, size;
 326    unsigned w, h, d, l;
 327    int ret;
 328
 329    switch (tmpl->nr_samples) {
 330    case 4:
 331       mt->ms_mode = 0x00004000;
 332       mt->ms_x = 1;
 333       mt->ms_y = 1;
 334       break;
 335    case 2:
 336       mt->ms_mode = 0x00003000;
 337       mt->ms_x = 1;
 338       mt->ms_y = 0;
 339       break;
 340    default:
 341       mt->ms_mode = 0x00000000;
 342       mt->ms_x = 0;
 343       mt->ms_y = 0;
 344       break;
 345    }
 346
 347    mt->base.vtbl = &nv30_miptree_vtbl;
 348    *pt = *tmpl;
 349    pipe_reference_init(&pt->reference, 1);
 350    pt->screen = pscreen;
 351
 352    w = pt->width0 << mt->ms_x;
 353    h = pt->height0 << mt->ms_y;
 354    d = (pt->target == PIPE_TEXTURE_3D) ? pt->depth0 : 1;
 355    blocksz = util_format_get_blocksize(pt->format);
 356
 357    if ((pt->target == PIPE_TEXTURE_RECT) ||
 358        !util_is_power_of_two(pt->width0) ||
 359        !util_is_power_of_two(pt->height0) ||
 360        !util_is_power_of_two(pt->depth0) ||
 361        util_format_is_compressed(pt->format) ||
 362        util_format_is_float(pt->format) || mt->ms_mode) {
 363       mt->uniform_pitch = util_format_get_nblocksx(pt->format, w) * blocksz;
 364       mt->uniform_pitch = align(mt->uniform_pitch, 64);
 365    }
 366
 367    if (!mt->uniform_pitch)
 368       mt->swizzled = TRUE;
 369
 370    size = 0;
 371    for (l = 0; l <= pt->last_level; l++) {
 372       struct nv30_miptree_level *lvl = &mt->level[l];
 373       unsigned nbx = util_format_get_nblocksx(pt->format, w);
 374       unsigned nby = util_format_get_nblocksx(pt->format, h);
 375
 376       lvl->offset = size;
 377       lvl->pitch  = mt->uniform_pitch;
 378       if (!lvl->pitch)
 379          lvl->pitch = nbx * blocksz;
 380
 381       lvl->zslice_size = lvl->pitch * nby;
 382       size += lvl->zslice_size * d;
 383
 384       w = u_minify(w, 1);
 385       h = u_minify(h, 1);
 386       d = u_minify(d, 1);
 387    }
 388
 389    mt->layer_size = size;
 390    if (pt->target == PIPE_TEXTURE_CUBE) {
 391       if (!mt->uniform_pitch)
 392          mt->layer_size = align(mt->layer_size, 128);
 393       size = mt->layer_size * 6;
 394    }
 395
 396    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 256, size, NULL, &mt->base.bo);
 397    if (ret) {
 398       FREE(mt);
 399       return NULL;
 400    }
 401
 402    mt->base.domain = NOUVEAU_BO_VRAM;
 403    return &mt->base.base;
 404 }
 405
 406 struct pipe_resource *
 407 nv30_miptree_from_handle(struct pipe_screen *pscreen,
 408                          const struct pipe_resource *tmpl,
 409                          struct winsys_handle *handle)
 410 {
 411    struct nv30_miptree *mt;
 412    unsigned stride;
 413
 414    /* only supports 2D, non-mipmapped textures for the moment */
 415    if ((tmpl->target != PIPE_TEXTURE_2D &&
 416         tmpl->target != PIPE_TEXTURE_RECT) ||
 417        tmpl->last_level != 0 ||
 418        tmpl->depth0 != 1 ||
 419        tmpl->array_size > 1)
 420       return NULL;
 421
 422    mt = CALLOC_STRUCT(nv30_miptree);
 423    if (!mt)
 424       return NULL;
 425
 426    mt->base.bo = nouveau_screen_bo_from_handle(pscreen, handle, &stride);
 427    if (mt->base.bo == NULL) {
 428       FREE(mt);
 429       return NULL;
 430    }
 431
 432    mt->base.base = *tmpl;
 433    mt->base.vtbl = &nv30_miptree_vtbl;
 434    pipe_reference_init(&mt->base.base.reference, 1);
 435    mt->base.base.screen = pscreen;
 436    mt->uniform_pitch = stride;
 437    mt->level[0].pitch = mt->uniform_pitch;
 438    mt->level[0].offset = 0;
 439
 440    /* no need to adjust bo reference count */
 441    return &mt->base.base;
 442 }
 443
 444 struct pipe_surface *
 445 nv30_miptree_surface_new(struct pipe_context *pipe,
 446                          struct pipe_resource *pt,
 447                          const struct pipe_surface *tmpl)
 448 {
 449    struct nv30_miptree *mt = nv30_miptree(pt); /* guaranteed */
 450    struct nv30_surface *ns;
 451    struct pipe_surface *ps;
 452    struct nv30_miptree_level *lvl = &mt->level[tmpl->u.tex.level];
 453
 454    ns = CALLOC_STRUCT(nv30_surface);
 455    if (!ns)
 456       return NULL;
 457    ps = &ns->base;
 458
 459    pipe_reference_init(&ps->reference, 1);
 460    pipe_resource_reference(&ps->texture, pt);
 461    ps->context = pipe;
 462    ps->format = tmpl->format;
 463    ps->u.tex.level = tmpl->u.tex.level;
 464    ps->u.tex.first_layer = tmpl->u.tex.first_layer;
 465    ps->u.tex.last_layer = tmpl->u.tex.last_layer;
 466
 467    ns->width = u_minify(pt->width0, ps->u.tex.level);
 468    ns->height = u_minify(pt->height0, ps->u.tex.level);
 469    ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
 470    ns->offset = layer_offset(pt, ps->u.tex.level, ps->u.tex.first_layer);
 471    if (mt->swizzled)
 472       ns->pitch = 4096; /* random, just something the hw won't reject.. */
 473    else
 474       ns->pitch = lvl->pitch;
 475
 476    /* comment says there are going to be removed, but they're used by the st */
 477    ps->width = ns->width;
 478    ps->height = ns->height;
 479    return ps;
 480 }
 481
 482 void
 483 nv30_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps)
 484 {
 485    struct nv30_surface *ns = nv30_surface(ps);
 486
 487    pipe_resource_reference(&ps->texture, NULL);
 488    FREE(ns);
 489 }