src/gallium/drivers/nouveau/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 "nv_m2mf.xml.h"
  31 #include "nv_object.xml.h"
  32 #include "nv30/nv30_screen.h"
  33 #include "nv30/nv30_context.h"
  34 #include "nv30/nv30_resource.h"
  35 #include "nv30/nv30_transfer.h"
  36
  37 static inline unsigned
  38 layer_offset(struct pipe_resource *pt, unsigned level, unsigned layer)
  39 {
  40    struct nv30_miptree *mt = nv30_miptree(pt);
  41    struct nv30_miptree_level *lvl = &mt->level[level];
  42
  43    if (pt->target == PIPE_TEXTURE_CUBE)
  44       return (layer * mt->layer_size) + lvl->offset;
  45
  46    return lvl->offset + (layer * lvl->zslice_size);
  47 }
  48
  49 static boolean
  50 nv30_miptree_get_handle(struct pipe_screen *pscreen,
  51                         struct pipe_resource *pt,
  52                         struct winsys_handle *handle)
  53 {
  54    struct nv30_miptree *mt = nv30_miptree(pt);
  55    unsigned stride;
  56
  57    if (!mt || !mt->base.bo)
  58       return false;
  59
  60    stride = mt->level[0].pitch;
  61
  62    return nouveau_screen_bo_get_handle(pscreen, mt->base.bo, stride, handle);
  63 }
  64
  65 static void
  66 nv30_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
  67 {
  68    struct nv30_miptree *mt = nv30_miptree(pt);
  69
  70    nouveau_bo_ref(NULL, &mt->base.bo);
  71    FREE(mt);
  72 }
  73
  74 struct nv30_transfer {
  75    struct pipe_transfer base;
  76    struct nv30_rect img;
  77    struct nv30_rect tmp;
  78    unsigned nblocksx;
  79    unsigned nblocksy;
  80 };
  81
  82 static inline struct nv30_transfer *
  83 nv30_transfer(struct pipe_transfer *ptx)
  84 {
  85    return (struct nv30_transfer *)ptx;
  86 }
  87
  88 static inline void
  89 define_rect(struct pipe_resource *pt, unsigned level, unsigned z,
  90             unsigned x, unsigned y, unsigned w, unsigned h,
  91             struct nv30_rect *rect)
  92 {
  93    struct nv30_miptree *mt = nv30_miptree(pt);
  94    struct nv30_miptree_level *lvl = &mt->level[level];
  95
  96    rect->w = u_minify(pt->width0, level) << mt->ms_x;
  97    rect->w = util_format_get_nblocksx(pt->format, rect->w);
  98    rect->h = u_minify(pt->height0, level) << mt->ms_y;
  99    rect->h = util_format_get_nblocksy(pt->format, rect->h);
 100    rect->d = 1;
 101    rect->z = 0;
 102    if (mt->swizzled) {
 103       if (pt->target == PIPE_TEXTURE_3D) {
 104          rect->d = u_minify(pt->depth0, level);
 105          rect->z = z; z = 0;
 106       }
 107       rect->pitch = 0;
 108    } else {
 109       rect->pitch = lvl->pitch;
 110    }
 111
 112    rect->bo     = mt->base.bo;
 113    rect->domain = NOUVEAU_BO_VRAM;
 114    rect->offset = layer_offset(pt, level, z);
 115    rect->cpp    = util_format_get_blocksize(pt->format);
 116
 117    rect->x0     = util_format_get_nblocksx(pt->format, x) << mt->ms_x;
 118    rect->y0     = util_format_get_nblocksy(pt->format, y) << mt->ms_y;
 119    rect->x1     = rect->x0 + (w << mt->ms_x);
 120    rect->y1     = rect->y0 + (h << mt->ms_y);
 121 }
 122
 123 void
 124 nv30_resource_copy_region(struct pipe_context *pipe,
 125                           struct pipe_resource *dstres, unsigned dst_level,
 126                           unsigned dstx, unsigned dsty, unsigned dstz,
 127                           struct pipe_resource *srcres, unsigned src_level,
 128                           const struct pipe_box *src_box)
 129 {
 130    struct nv30_context *nv30 = nv30_context(pipe);
 131    struct nv30_rect src, dst;
 132
 133    if (dstres->target == PIPE_BUFFER && srcres->target == PIPE_BUFFER) {
 134       nouveau_copy_buffer(&nv30->base,
 135                           nv04_resource(dstres), dstx,
 136                           nv04_resource(srcres), src_box->x, src_box->width);
 137       return;
 138    }
 139
 140    define_rect(srcres, src_level, src_box->z, src_box->x, src_box->y,
 141                        src_box->width, src_box->height, &src);
 142    define_rect(dstres, dst_level, dstz, dstx, dsty,
 143                        src_box->width, src_box->height, &dst);
 144
 145    nv30_transfer_rect(nv30, NEAREST, &src, &dst);
 146 }
 147
 148 static void
 149 nv30_resource_resolve(struct nv30_context *nv30,
 150                       const struct pipe_blit_info *info)
 151 {
 152    struct nv30_rect src, dst;
 153
 154    define_rect(info->src.resource, 0, info->src.box.z, info->src.box.x,
 155       info->src.box.y, info->src.box.width, info->src.box.height, &src);
 156    define_rect(info->dst.resource, 0, info->dst.box.z, info->dst.box.x,
 157       info->dst.box.y, info->dst.box.width, info->dst.box.height, &dst);
 158
 159    nv30_transfer_rect(nv30, BILINEAR, &src, &dst);
 160 }
 161
 162 void
 163 nv30_blit(struct pipe_context *pipe,
 164           const struct pipe_blit_info *blit_info)
 165 {
 166    struct nv30_context *nv30 = nv30_context(pipe);
 167    struct pipe_blit_info info = *blit_info;
 168
 169    if (info.src.resource->nr_samples > 1 &&
 170        info.dst.resource->nr_samples <= 1 &&
 171        !util_format_is_depth_or_stencil(info.src.resource->format) &&
 172        !util_format_is_pure_integer(info.src.resource->format)) {
 173       nv30_resource_resolve(nv30, blit_info);
 174       return;
 175    }
 176
 177    if (util_try_blit_via_copy_region(pipe, &info)) {
 178       return; /* done */
 179    }
 180
 181    if (info.mask & PIPE_MASK_S) {
 182       debug_printf("nv30: cannot blit stencil, skipping\n");
 183       info.mask &= ~PIPE_MASK_S;
 184    }
 185
 186    if (!util_blitter_is_blit_supported(nv30->blitter, &info)) {
 187       debug_printf("nv30: blit unsupported %s -> %s\n",
 188                    util_format_short_name(info.src.resource->format),
 189                    util_format_short_name(info.dst.resource->format));
 190       return;
 191    }
 192
 193    /* XXX turn off occlusion queries */
 194
 195    util_blitter_save_vertex_buffer_slot(nv30->blitter, nv30->vtxbuf);
 196    util_blitter_save_vertex_elements(nv30->blitter, nv30->vertex);
 197    util_blitter_save_vertex_shader(nv30->blitter, nv30->vertprog.program);
 198    util_blitter_save_rasterizer(nv30->blitter, nv30->rast);
 199    util_blitter_save_viewport(nv30->blitter, &nv30->viewport);
 200    util_blitter_save_scissor(nv30->blitter, &nv30->scissor);
 201    util_blitter_save_fragment_shader(nv30->blitter, nv30->fragprog.program);
 202    util_blitter_save_blend(nv30->blitter, nv30->blend);
 203    util_blitter_save_depth_stencil_alpha(nv30->blitter,
 204                                          nv30->zsa);
 205    util_blitter_save_stencil_ref(nv30->blitter, &nv30->stencil_ref);
 206    util_blitter_save_sample_mask(nv30->blitter, nv30->sample_mask);
 207    util_blitter_save_framebuffer(nv30->blitter, &nv30->framebuffer);
 208    util_blitter_save_fragment_sampler_states(nv30->blitter,
 209                      nv30->fragprog.num_samplers,
 210                      (void**)nv30->fragprog.samplers);
 211    util_blitter_save_fragment_sampler_views(nv30->blitter,
 212                      nv30->fragprog.num_textures, nv30->fragprog.textures);
 213    util_blitter_save_render_condition(nv30->blitter, nv30->render_cond_query,
 214                                       nv30->render_cond_cond, nv30->render_cond_mode);
 215    util_blitter_blit(nv30->blitter, &info);
 216 }
 217
 218 void
 219 nv30_flush_resource(struct pipe_context *pipe,
 220                     struct pipe_resource *resource)
 221 {
 222 }
 223
 224 static void *
 225 nv30_miptree_transfer_map(struct pipe_context *pipe, struct pipe_resource *pt,
 226                           unsigned level, unsigned usage,
 227                           const struct pipe_box *box,
 228                           struct pipe_transfer **ptransfer)
 229 {
 230    struct nv30_context *nv30 = nv30_context(pipe);
 231    struct nouveau_device *dev = nv30->screen->base.device;
 232    struct nv30_transfer *tx;
 233    unsigned access = 0;
 234    int ret;
 235
 236    tx = CALLOC_STRUCT(nv30_transfer);
 237    if (!tx)
 238       return NULL;
 239    pipe_resource_reference(&tx->base.resource, pt);
 240    tx->base.level = level;
 241    tx->base.usage = usage;
 242    tx->base.box = *box;
 243    tx->base.stride = align(util_format_get_nblocksx(pt->format, box->width) *
 244                            util_format_get_blocksize(pt->format), 64);
 245    tx->base.layer_stride = util_format_get_nblocksy(pt->format, box->height) *
 246                            tx->base.stride;
 247
 248    tx->nblocksx = util_format_get_nblocksx(pt->format, box->width);
 249    tx->nblocksy = util_format_get_nblocksy(pt->format, box->height);
 250
 251    define_rect(pt, level, box->z, box->x, box->y,
 252                    tx->nblocksx, tx->nblocksy, &tx->img);
 253
 254    ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
 255                         tx->base.layer_stride, NULL, &tx->tmp.bo);
 256    if (ret) {
 257       pipe_resource_reference(&tx->base.resource, NULL);
 258       FREE(tx);
 259       return NULL;
 260    }
 261
 262    tx->tmp.domain = NOUVEAU_BO_GART;
 263    tx->tmp.offset = 0;
 264    tx->tmp.pitch  = tx->base.stride;
 265    tx->tmp.cpp    = tx->img.cpp;
 266    tx->tmp.w      = tx->nblocksx;
 267    tx->tmp.h      = tx->nblocksy;
 268    tx->tmp.d      = 1;
 269    tx->tmp.x0     = 0;
 270    tx->tmp.y0     = 0;
 271    tx->tmp.x1     = tx->tmp.w;
 272    tx->tmp.y1     = tx->tmp.h;
 273    tx->tmp.z      = 0;
 274
 275    if (usage & PIPE_TRANSFER_READ)
 276       nv30_transfer_rect(nv30, NEAREST, &tx->img, &tx->tmp);
 277
 278    if (tx->tmp.bo->map) {
 279       *ptransfer = &tx->base;
 280       return tx->tmp.bo->map;
 281    }
 282
 283    if (usage & PIPE_TRANSFER_READ)
 284       access |= NOUVEAU_BO_RD;
 285    if (usage & PIPE_TRANSFER_WRITE)
 286       access |= NOUVEAU_BO_WR;
 287
 288    ret = nouveau_bo_map(tx->tmp.bo, access, nv30->base.client);
 289    if (ret) {
 290       pipe_resource_reference(&tx->base.resource, NULL);
 291       FREE(tx);
 292       return NULL;
 293    }
 294
 295    *ptransfer = &tx->base;
 296    return tx->tmp.bo->map;
 297 }
 298
 299 static void
 300 nv30_miptree_transfer_unmap(struct pipe_context *pipe,
 301                             struct pipe_transfer *ptx)
 302 {
 303    struct nv30_context *nv30 = nv30_context(pipe);
 304    struct nv30_transfer *tx = nv30_transfer(ptx);
 305
 306    if (ptx->usage & PIPE_TRANSFER_WRITE)
 307       nv30_transfer_rect(nv30, NEAREST, &tx->tmp, &tx->img);
 308
 309    nouveau_bo_ref(NULL, &tx->tmp.bo);
 310    pipe_resource_reference(&ptx->resource, NULL);
 311    FREE(tx);
 312 }
 313
 314 const struct u_resource_vtbl nv30_miptree_vtbl = {
 315    nv30_miptree_get_handle,
 316    nv30_miptree_destroy,
 317    nv30_miptree_transfer_map,
 318    u_default_transfer_flush_region,
 319    nv30_miptree_transfer_unmap,
 320    u_default_transfer_inline_write
 321 };
 322
 323 struct pipe_resource *
 324 nv30_miptree_create(struct pipe_screen *pscreen,
 325                     const struct pipe_resource *tmpl)
 326 {
 327    struct nouveau_device *dev = nouveau_screen(pscreen)->device;
 328    struct nv30_miptree *mt = CALLOC_STRUCT(nv30_miptree);
 329    struct pipe_resource *pt = &mt->base.base;
 330    unsigned blocksz, size;
 331    unsigned w, h, d, l;
 332    int ret;
 333
 334    switch (tmpl->nr_samples) {
 335    case 4:
 336       mt->ms_mode = 0x00004000;
 337       mt->ms_x = 1;
 338       mt->ms_y = 1;
 339       break;
 340    case 2:
 341       mt->ms_mode = 0x00003000;
 342       mt->ms_x = 1;
 343       mt->ms_y = 0;
 344       break;
 345    default:
 346       mt->ms_mode = 0x00000000;
 347       mt->ms_x = 0;
 348       mt->ms_y = 0;
 349       break;
 350    }
 351
 352    mt->base.vtbl = &nv30_miptree_vtbl;
 353    *pt = *tmpl;
 354    pipe_reference_init(&pt->reference, 1);
 355    pt->screen = pscreen;
 356
 357    w = pt->width0 << mt->ms_x;
 358    h = pt->height0 << mt->ms_y;
 359    d = (pt->target == PIPE_TEXTURE_3D) ? pt->depth0 : 1;
 360    blocksz = util_format_get_blocksize(pt->format);
 361
 362    if ((pt->target == PIPE_TEXTURE_RECT) ||
 363        (pt->bind & PIPE_BIND_SCANOUT) ||
 364        !util_is_power_of_two(pt->width0) ||
 365        !util_is_power_of_two(pt->height0) ||
 366        !util_is_power_of_two(pt->depth0) ||
 367        util_format_is_compressed(pt->format) ||
 368        util_format_is_float(pt->format) || mt->ms_mode) {
 369       mt->uniform_pitch = util_format_get_nblocksx(pt->format, w) * blocksz;
 370       mt->uniform_pitch = align(mt->uniform_pitch, 64);
 371       if (pt->bind & PIPE_BIND_SCANOUT) {
 372          struct nv30_screen *screen = nv30_screen(pscreen);
 373          int pitch_align = MAX2(
 374                screen->eng3d->oclass >= NV40_3D_CLASS ? 1024 : 256,
 375                /* round_down_pow2(mt->uniform_pitch / 4) */
 376                1 << (util_last_bit(mt->uniform_pitch / 4) - 1));
 377          mt->uniform_pitch = align(mt->uniform_pitch, pitch_align);
 378       }
 379    }
 380
 381    if (!mt->uniform_pitch)
 382       mt->swizzled = true;
 383
 384    size = 0;
 385    for (l = 0; l <= pt->last_level; l++) {
 386       struct nv30_miptree_level *lvl = &mt->level[l];
 387       unsigned nbx = util_format_get_nblocksx(pt->format, w);
 388       unsigned nby = util_format_get_nblocksx(pt->format, h);
 389
 390       lvl->offset = size;
 391       lvl->pitch  = mt->uniform_pitch;
 392       if (!lvl->pitch)
 393          lvl->pitch = nbx * blocksz;
 394
 395       lvl->zslice_size = lvl->pitch * nby;
 396       size += lvl->zslice_size * d;
 397
 398       w = u_minify(w, 1);
 399       h = u_minify(h, 1);
 400       d = u_minify(d, 1);
 401    }
 402
 403    mt->layer_size = size;
 404    if (pt->target == PIPE_TEXTURE_CUBE) {
 405       if (!mt->uniform_pitch)
 406          mt->layer_size = align(mt->layer_size, 128);
 407       size = mt->layer_size * 6;
 408    }
 409
 410    ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 256, size, NULL, &mt->base.bo);
 411    if (ret) {
 412       FREE(mt);
 413       return NULL;
 414    }
 415
 416    mt->base.domain = NOUVEAU_BO_VRAM;
 417    return &mt->base.base;
 418 }
 419
 420 struct pipe_resource *
 421 nv30_miptree_from_handle(struct pipe_screen *pscreen,
 422                          const struct pipe_resource *tmpl,
 423                          struct winsys_handle *handle)
 424 {
 425    struct nv30_miptree *mt;
 426    unsigned stride;
 427
 428    /* only supports 2D, non-mipmapped textures for the moment */
 429    if ((tmpl->target != PIPE_TEXTURE_2D &&
 430         tmpl->target != PIPE_TEXTURE_RECT) ||
 431        tmpl->last_level != 0 ||
 432        tmpl->depth0 != 1 ||
 433        tmpl->array_size > 1)
 434       return NULL;
 435
 436    mt = CALLOC_STRUCT(nv30_miptree);
 437    if (!mt)
 438       return NULL;
 439
 440    mt->base.bo = nouveau_screen_bo_from_handle(pscreen, handle, &stride);
 441    if (mt->base.bo == NULL) {
 442       FREE(mt);
 443       return NULL;
 444    }
 445
 446    mt->base.base = *tmpl;
 447    mt->base.vtbl = &nv30_miptree_vtbl;
 448    pipe_reference_init(&mt->base.base.reference, 1);
 449    mt->base.base.screen = pscreen;
 450    mt->uniform_pitch = stride;
 451    mt->level[0].pitch = mt->uniform_pitch;
 452    mt->level[0].offset = 0;
 453
 454    /* no need to adjust bo reference count */
 455    return &mt->base.base;
 456 }
 457
 458 struct pipe_surface *
 459 nv30_miptree_surface_new(struct pipe_context *pipe,
 460                          struct pipe_resource *pt,
 461                          const struct pipe_surface *tmpl)
 462 {
 463    struct nv30_miptree *mt = nv30_miptree(pt); /* guaranteed */
 464    struct nv30_surface *ns;
 465    struct pipe_surface *ps;
 466    struct nv30_miptree_level *lvl = &mt->level[tmpl->u.tex.level];
 467
 468    ns = CALLOC_STRUCT(nv30_surface);
 469    if (!ns)
 470       return NULL;
 471    ps = &ns->base;
 472
 473    pipe_reference_init(&ps->reference, 1);
 474    pipe_resource_reference(&ps->texture, pt);
 475    ps->context = pipe;
 476    ps->format = tmpl->format;
 477    ps->u.tex.level = tmpl->u.tex.level;
 478    ps->u.tex.first_layer = tmpl->u.tex.first_layer;
 479    ps->u.tex.last_layer = tmpl->u.tex.last_layer;
 480
 481    ns->width = u_minify(pt->width0, ps->u.tex.level);
 482    ns->height = u_minify(pt->height0, ps->u.tex.level);
 483    ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
 484    ns->offset = layer_offset(pt, ps->u.tex.level, ps->u.tex.first_layer);
 485    if (mt->swizzled)
 486       ns->pitch = 4096; /* random, just something the hw won't reject.. */
 487    else
 488       ns->pitch = lvl->pitch;
 489
 490    /* comment says there are going to be removed, but they're used by the st */
 491    ps->width = ns->width;
 492    ps->height = ns->height;
 493    return ps;
 494 }
 495
 496 void
 497 nv30_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps)
 498 {
 499    struct nv30_surface *ns = nv30_surface(ps);
 500
 501    pipe_resource_reference(&ps->texture, NULL);
 502    FREE(ns);
 503 }