src/gallium/drivers/svga/svga_resource_texture.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "svga3d_reg.h"
  27 #include "svga3d_surfacedefs.h"
  28
  29 #include "pipe/p_state.h"
  30 #include "pipe/p_defines.h"
  31 #include "os/os_thread.h"
  32 #include "os/os_time.h"
  33 #include "util/u_format.h"
  34 #include "util/u_inlines.h"
  35 #include "util/u_math.h"
  36 #include "util/u_memory.h"
  37 #include "util/u_resource.h"
  38
  39 #include "svga_cmd.h"
  40 #include "svga_format.h"
  41 #include "svga_screen.h"
  42 #include "svga_context.h"
  43 #include "svga_resource_texture.h"
  44 #include "svga_resource_buffer.h"
  45 #include "svga_sampler_view.h"
  46 #include "svga_winsys.h"
  47 #include "svga_debug.h"
  48
  49
  50 static void
  51 svga_transfer_dma_band(struct svga_context *svga,
  52                        struct svga_transfer *st,
  53                        SVGA3dTransferType transfer,
  54                        unsigned y, unsigned h, unsigned srcy,
  55                        SVGA3dSurfaceDMAFlags flags)
  56 {
  57    struct svga_texture *texture = svga_texture(st->base.resource);
  58    SVGA3dCopyBox box;
  59    enum pipe_error ret;
  60
  61    assert(!st->use_direct_map);
  62
  63    box.x = st->base.box.x;
  64    box.y = y;
  65    box.z = st->base.box.z;
  66    box.w = st->base.box.width;
  67    box.h = h;
  68    box.d = 1;
  69    box.srcx = 0;
  70    box.srcy = srcy;
  71    box.srcz = 0;
  72
  73    SVGA_DBG(DEBUG_DMA, "dma %s sid %p, face %u, (%u, %u, %u) - "
  74             "(%u, %u, %u), %ubpp\n",
  75             transfer == SVGA3D_WRITE_HOST_VRAM ? "to" : "from",
  76             texture->handle,
  77             st->slice,
  78             st->base.box.x,
  79             y,
  80             box.z,
  81             st->base.box.x + st->base.box.width,
  82             y + h,
  83             box.z + 1,
  84             util_format_get_blocksize(texture->b.b.format) * 8 /
  85             (util_format_get_blockwidth(texture->b.b.format)
  86              * util_format_get_blockheight(texture->b.b.format)));
  87
  88    ret = SVGA3D_SurfaceDMA(svga->swc, st, transfer, &box, 1, flags);
  89    if (ret != PIPE_OK) {
  90       svga_context_flush(svga, NULL);
  91       ret = SVGA3D_SurfaceDMA(svga->swc, st, transfer, &box, 1, flags);
  92       assert(ret == PIPE_OK);
  93    }
  94 }
  95
  96
  97 static void
  98 svga_transfer_dma(struct svga_context *svga,
  99                   struct svga_transfer *st,
 100                   SVGA3dTransferType transfer,
 101                   SVGA3dSurfaceDMAFlags flags)
 102 {
 103    struct svga_texture *texture = svga_texture(st->base.resource);
 104    struct svga_screen *screen = svga_screen(texture->b.b.screen);
 105    struct svga_winsys_screen *sws = screen->sws;
 106    struct pipe_fence_handle *fence = NULL;
 107
 108    assert(!st->use_direct_map);
 109
 110    if (transfer == SVGA3D_READ_HOST_VRAM) {
 111       SVGA_DBG(DEBUG_PERF, "%s: readback transfer\n", __FUNCTION__);
 112    }
 113
 114    /* Ensure any pending operations on host surfaces are queued on the command
 115     * buffer first.
 116     */
 117    svga_surfaces_flush( svga );
 118
 119    if (!st->swbuf) {
 120       /* Do the DMA transfer in a single go */
 121       svga_transfer_dma_band(svga, st, transfer,
 122                              st->base.box.y, st->base.box.height, 0,
 123                              flags);
 124
 125       if (transfer == SVGA3D_READ_HOST_VRAM) {
 126          svga_context_flush(svga, &fence);
 127          sws->fence_finish(sws, fence, 0);
 128          sws->fence_reference(sws, &fence, NULL);
 129       }
 130    }
 131    else {
 132       int y, h, srcy;
 133       unsigned blockheight =
 134          util_format_get_blockheight(st->base.resource->format);
 135
 136       h = st->hw_nblocksy * blockheight;
 137       srcy = 0;
 138
 139       for (y = 0; y < st->base.box.height; y += h) {
 140          unsigned offset, length;
 141          void *hw, *sw;
 142
 143          if (y + h > st->base.box.height)
 144             h = st->base.box.height - y;
 145
 146          /* Transfer band must be aligned to pixel block boundaries */
 147          assert(y % blockheight == 0);
 148          assert(h % blockheight == 0);
 149
 150          offset = y * st->base.stride / blockheight;
 151          length = h * st->base.stride / blockheight;
 152
 153          sw = (uint8_t *) st->swbuf + offset;
 154
 155          if (transfer == SVGA3D_WRITE_HOST_VRAM) {
 156             unsigned usage = PIPE_TRANSFER_WRITE;
 157
 158             /* Wait for the previous DMAs to complete */
 159             /* TODO: keep one DMA (at half the size) in the background */
 160             if (y) {
 161                svga_context_flush(svga, NULL);
 162                usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
 163             }
 164
 165             hw = sws->buffer_map(sws, st->hwbuf, usage);
 166             assert(hw);
 167             if (hw) {
 168                memcpy(hw, sw, length);
 169                sws->buffer_unmap(sws, st->hwbuf);
 170             }
 171          }
 172
 173          svga_transfer_dma_band(svga, st, transfer, y, h, srcy, flags);
 174
 175          /*
 176           * Prevent the texture contents to be discarded on the next band
 177           * upload.
 178           */
 179          flags.discard = FALSE;
 180
 181          if (transfer == SVGA3D_READ_HOST_VRAM) {
 182             svga_context_flush(svga, &fence);
 183             sws->fence_finish(sws, fence, 0);
 184
 185             hw = sws->buffer_map(sws, st->hwbuf, PIPE_TRANSFER_READ);
 186             assert(hw);
 187             if (hw) {
 188                memcpy(sw, hw, length);
 189                sws->buffer_unmap(sws, st->hwbuf);
 190             }
 191          }
 192       }
 193    }
 194 }
 195
 196
 197 static boolean
 198 svga_texture_get_handle(struct pipe_screen *screen,
 199                         struct pipe_resource *texture,
 200                         struct winsys_handle *whandle)
 201 {
 202    struct svga_winsys_screen *sws = svga_winsys_screen(texture->screen);
 203    unsigned stride;
 204
 205    assert(svga_texture(texture)->key.cachable == 0);
 206    svga_texture(texture)->key.cachable = 0;
 207
 208    stride = util_format_get_nblocksx(texture->format, texture->width0) *
 209             util_format_get_blocksize(texture->format);
 210
 211    return sws->surface_get_handle(sws, svga_texture(texture)->handle,
 212                                   stride, whandle);
 213 }
 214
 215
 216 static void
 217 svga_texture_destroy(struct pipe_screen *screen,
 218                      struct pipe_resource *pt)
 219 {
 220    struct svga_screen *ss = svga_screen(screen);
 221    struct svga_texture *tex = svga_texture(pt);
 222
 223    ss->texture_timestamp++;
 224
 225    svga_sampler_view_reference(&tex->cached_view, NULL);
 226
 227    /*
 228      DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
 229    */
 230    SVGA_DBG(DEBUG_DMA, "unref sid %p (texture)\n", tex->handle);
 231    svga_screen_surface_destroy(ss, &tex->key, &tex->handle);
 232
 233    ss->hud.total_resource_bytes -= tex->size;
 234
 235    FREE(tex->defined);
 236    FREE(tex->rendered_to);
 237    FREE(tex);
 238
 239    assert(ss->hud.num_resources > 0);
 240    if (ss->hud.num_resources > 0)
 241       ss->hud.num_resources--;
 242 }
 243
 244
 245 /**
 246  * Determine if we need to read back a texture image before mapping it.
 247  */
 248 static boolean
 249 need_tex_readback(struct pipe_transfer *transfer)
 250 {
 251    struct svga_texture *t = svga_texture(transfer->resource);
 252
 253    if (transfer->usage & PIPE_TRANSFER_READ)
 254       return TRUE;
 255
 256    if ((transfer->usage & PIPE_TRANSFER_WRITE) &&
 257        ((transfer->usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) == 0)) {
 258       unsigned face;
 259
 260       if (transfer->resource->target == PIPE_TEXTURE_CUBE) {
 261          assert(transfer->box.depth == 1);
 262          face = transfer->box.z;
 263       }
 264       else {
 265          face = 0;
 266       }
 267       if (svga_was_texture_rendered_to(t, face, transfer->level)) {
 268          return TRUE;
 269       }
 270    }
 271
 272    return FALSE;
 273 }
 274
 275
 276 static enum pipe_error
 277 readback_image_vgpu9(struct svga_context *svga,
 278                    struct svga_winsys_surface *surf,
 279                    unsigned slice,
 280                    unsigned level)
 281 {
 282    enum pipe_error ret;
 283
 284    ret = SVGA3D_ReadbackGBImage(svga->swc, surf, slice, level);
 285    if (ret != PIPE_OK) {
 286       svga_context_flush(svga, NULL);
 287       ret = SVGA3D_ReadbackGBImage(svga->swc, surf, slice, level);
 288    }
 289    return ret;
 290 }
 291
 292
 293 static enum pipe_error
 294 readback_image_vgpu10(struct svga_context *svga,
 295                     struct svga_winsys_surface *surf,
 296                     unsigned slice,
 297                     unsigned level,
 298                     unsigned numMipLevels)
 299 {
 300    enum pipe_error ret;
 301    unsigned subResource;
 302
 303    subResource = slice * numMipLevels + level;
 304    ret = SVGA3D_vgpu10_ReadbackSubResource(svga->swc, surf, subResource);
 305    if (ret != PIPE_OK) {
 306       svga_context_flush(svga, NULL);
 307       ret = SVGA3D_vgpu10_ReadbackSubResource(svga->swc, surf, subResource);
 308    }
 309    return ret;
 310 }
 311
 312
 313 static void *
 314 svga_texture_transfer_map(struct pipe_context *pipe,
 315                           struct pipe_resource *texture,
 316                           unsigned level,
 317                           unsigned usage,
 318                           const struct pipe_box *box,
 319                           struct pipe_transfer **ptransfer)
 320 {
 321    struct svga_context *svga = svga_context(pipe);
 322    struct svga_screen *ss = svga_screen(pipe->screen);
 323    struct svga_winsys_screen *sws = ss->sws;
 324    struct svga_texture *tex = svga_texture(texture);
 325    struct svga_transfer *st;
 326    unsigned nblocksx, nblocksy;
 327    boolean use_direct_map = svga_have_gb_objects(svga) &&
 328       !svga_have_gb_dma(svga);
 329    unsigned d;
 330    void *returnVal;
 331    int64_t begin = os_time_get();
 332
 333    /* We can't map texture storage directly unless we have GB objects */
 334    if (usage & PIPE_TRANSFER_MAP_DIRECTLY) {
 335       if (svga_have_gb_objects(svga))
 336          use_direct_map = TRUE;
 337       else
 338          return NULL;
 339    }
 340
 341    st = CALLOC_STRUCT(svga_transfer);
 342    if (!st)
 343       return NULL;
 344
 345    {
 346       unsigned w, h;
 347       if (use_direct_map) {
 348          /* we'll directly access the guest-backed surface */
 349          w = u_minify(texture->width0, level);
 350          h = u_minify(texture->height0, level);
 351          d = u_minify(texture->depth0, level);
 352       }
 353       else {
 354          /* we'll put the data into a tightly packed buffer */
 355          w = box->width;
 356          h = box->height;
 357          d = box->depth;
 358       }
 359       nblocksx = util_format_get_nblocksx(texture->format, w);
 360       nblocksy = util_format_get_nblocksy(texture->format, h);
 361    }
 362
 363    pipe_resource_reference(&st->base.resource, texture);
 364
 365    st->base.level = level;
 366    st->base.usage = usage;
 367    st->base.box = *box;
 368    st->base.stride = nblocksx*util_format_get_blocksize(texture->format);
 369    st->base.layer_stride = st->base.stride * nblocksy;
 370
 371    switch (tex->b.b.target) {
 372    case PIPE_TEXTURE_CUBE:
 373    case PIPE_TEXTURE_2D_ARRAY:
 374    case PIPE_TEXTURE_1D_ARRAY:
 375       st->slice = st->base.box.z;
 376       st->base.box.z = 0;   /* so we don't apply double offsets below */
 377       break;
 378    default:
 379       st->slice = 0;
 380       break;
 381    }
 382
 383    if (usage & PIPE_TRANSFER_WRITE) {
 384       /* record texture upload for HUD */
 385       svga->hud.num_bytes_uploaded +=
 386          nblocksx * nblocksy * d * util_format_get_blocksize(texture->format);
 387    }
 388
 389    if (!use_direct_map) {
 390       /* Use a DMA buffer */
 391       st->hw_nblocksy = nblocksy;
 392
 393       st->hwbuf = svga_winsys_buffer_create(svga, 1, 0,
 394                                    st->hw_nblocksy * st->base.stride * d);
 395       while(!st->hwbuf && (st->hw_nblocksy /= 2)) {
 396          st->hwbuf = svga_winsys_buffer_create(svga, 1, 0,
 397                                    st->hw_nblocksy * st->base.stride * d);
 398       }
 399
 400       if (!st->hwbuf) {
 401          FREE(st);
 402          return NULL;
 403       }
 404
 405       if (st->hw_nblocksy < nblocksy) {
 406          /* We couldn't allocate a hardware buffer big enough for the transfer,
 407           * so allocate regular malloc memory instead */
 408          if (0) {
 409             debug_printf("%s: failed to allocate %u KB of DMA, "
 410                          "splitting into %u x %u KB DMA transfers\n",
 411                          __FUNCTION__,
 412                          (nblocksy*st->base.stride + 1023)/1024,
 413                          (nblocksy + st->hw_nblocksy - 1)/st->hw_nblocksy,
 414                          (st->hw_nblocksy*st->base.stride + 1023)/1024);
 415          }
 416
 417          st->swbuf = MALLOC(nblocksy * st->base.stride * d);
 418          if (!st->swbuf) {
 419             sws->buffer_destroy(sws, st->hwbuf);
 420             FREE(st);
 421             return NULL;
 422          }
 423       }
 424
 425       if (usage & PIPE_TRANSFER_READ) {
 426          SVGA3dSurfaceDMAFlags flags;
 427          memset(&flags, 0, sizeof flags);
 428          svga_transfer_dma(svga, st, SVGA3D_READ_HOST_VRAM, flags);
 429       }
 430    } else {
 431       struct pipe_transfer *transfer = &st->base;
 432       struct svga_winsys_surface *surf = tex->handle;
 433
 434       if (!surf) {
 435          FREE(st);
 436          return NULL;
 437       }
 438
 439       if (need_tex_readback(transfer)) {
 440          enum pipe_error ret;
 441
 442          svga_surfaces_flush(svga);
 443
 444          if (svga_have_vgpu10(svga)) {
 445             ret = readback_image_vgpu10(svga, surf, st->slice, transfer->level,
 446                                         tex->b.b.last_level + 1);
 447          } else {
 448             ret = readback_image_vgpu9(svga, surf, st->slice, transfer->level);
 449          }
 450
 451          assert(ret == PIPE_OK);
 452          (void) ret;
 453
 454          svga_context_flush(svga, NULL);
 455
 456          /*
 457           * Note: if PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE were specified
 458           * we could potentially clear the flag for all faces/layers/mips.
 459           */
 460          svga_clear_texture_rendered_to(tex, st->slice, transfer->level);
 461       }
 462       else {
 463          assert(transfer->usage & PIPE_TRANSFER_WRITE);
 464          if ((transfer->usage & PIPE_TRANSFER_UNSYNCHRONIZED) == 0) {
 465             svga_surfaces_flush(svga);
 466             if (!sws->surface_is_flushed(sws, surf))
 467                svga_context_flush(svga, NULL);
 468          }
 469       }
 470    }
 471
 472    st->use_direct_map = use_direct_map;
 473
 474    *ptransfer = &st->base;
 475
 476    /*
 477     * Begin mapping code
 478     */
 479    if (st->swbuf) {
 480       returnVal = st->swbuf;
 481    }
 482    else if (!st->use_direct_map) {
 483       returnVal = sws->buffer_map(sws, st->hwbuf, usage);
 484    }
 485    else {
 486       SVGA3dSize baseLevelSize;
 487       struct svga_texture *tex = svga_texture(texture);
 488       struct svga_winsys_surface *surf = tex->handle;
 489       uint8_t *map;
 490       boolean retry;
 491       unsigned offset, mip_width, mip_height;
 492       unsigned xoffset = st->base.box.x;
 493       unsigned yoffset = st->base.box.y;
 494       unsigned zoffset = st->base.box.z;
 495
 496       map = svga->swc->surface_map(svga->swc, surf, usage, &retry);
 497       if (map == NULL && retry) {
 498          /*
 499           * At this point, the svga_surfaces_flush() should already have
 500           * called in svga_texture_get_transfer().
 501           */
 502          svga_context_flush(svga, NULL);
 503          map = svga->swc->surface_map(svga->swc, surf, usage, &retry);
 504       }
 505
 506       /*
 507        * Make sure we return NULL if the map fails
 508        */
 509       if (!map) {
 510          FREE(st);
 511          return map;
 512       }
 513
 514       /**
 515        * Compute the offset to the specific texture slice in the buffer.
 516        */
 517       baseLevelSize.width = tex->b.b.width0;
 518       baseLevelSize.height = tex->b.b.height0;
 519       baseLevelSize.depth = tex->b.b.depth0;
 520
 521       offset = svga3dsurface_get_image_offset(tex->key.format, baseLevelSize,
 522                                               tex->b.b.last_level + 1, /* numMips */
 523                                               st->slice, level);
 524       if (level > 0) {
 525          assert(offset > 0);
 526       }
 527
 528       mip_width = u_minify(tex->b.b.width0, level);
 529       mip_height = u_minify(tex->b.b.height0, level);
 530
 531       offset += svga3dsurface_get_pixel_offset(tex->key.format,
 532                                                mip_width, mip_height,
 533                                                xoffset, yoffset, zoffset);
 534       returnVal = (void *) (map + offset);
 535    }
 536
 537    svga->hud.map_buffer_time += (os_time_get() - begin);
 538    svga->hud.num_resources_mapped++;
 539
 540    return returnVal;
 541 }
 542
 543
 544 /**
 545  * Unmap a GB texture surface.
 546  */
 547 static void
 548 svga_texture_surface_unmap(struct svga_context *svga,
 549                            struct pipe_transfer *transfer)
 550 {
 551    struct svga_winsys_surface *surf = svga_texture(transfer->resource)->handle;
 552    struct svga_winsys_context *swc = svga->swc;
 553    boolean rebind;
 554
 555    assert(surf);
 556
 557    swc->surface_unmap(swc, surf, &rebind);
 558    if (rebind) {
 559       enum pipe_error ret;
 560       ret = SVGA3D_BindGBSurface(swc, surf);
 561       if (ret != PIPE_OK) {
 562          /* flush and retry */
 563          svga_context_flush(svga, NULL);
 564          ret = SVGA3D_BindGBSurface(swc, surf);
 565          assert(ret == PIPE_OK);
 566       }
 567    }
 568 }
 569
 570
 571 static enum pipe_error
 572 update_image_vgpu9(struct svga_context *svga,
 573                    struct svga_winsys_surface *surf,
 574                    const SVGA3dBox *box,
 575                    unsigned slice,
 576                    unsigned level)
 577 {
 578    enum pipe_error ret;
 579
 580    ret = SVGA3D_UpdateGBImage(svga->swc, surf, box, slice, level);
 581    if (ret != PIPE_OK) {
 582       svga_context_flush(svga, NULL);
 583       ret = SVGA3D_UpdateGBImage(svga->swc, surf, box, slice, level);
 584    }
 585    return ret;
 586 }
 587
 588
 589 static enum pipe_error
 590 update_image_vgpu10(struct svga_context *svga,
 591                     struct svga_winsys_surface *surf,
 592                     const SVGA3dBox *box,
 593                     unsigned slice,
 594                     unsigned level,
 595                     unsigned numMipLevels)
 596 {
 597    enum pipe_error ret;
 598    unsigned subResource;
 599
 600    subResource = slice * numMipLevels + level;
 601    ret = SVGA3D_vgpu10_UpdateSubResource(svga->swc, surf, box, subResource);
 602    if (ret != PIPE_OK) {
 603       svga_context_flush(svga, NULL);
 604       ret = SVGA3D_vgpu10_UpdateSubResource(svga->swc, surf, box, subResource);
 605    }
 606    return ret;
 607 }
 608
 609
 610 static void
 611 svga_texture_transfer_unmap(struct pipe_context *pipe,
 612                             struct pipe_transfer *transfer)
 613 {
 614    struct svga_context *svga = svga_context(pipe);
 615    struct svga_screen *ss = svga_screen(pipe->screen);
 616    struct svga_winsys_screen *sws = ss->sws;
 617    struct svga_transfer *st = svga_transfer(transfer);
 618    struct svga_texture *tex = svga_texture(transfer->resource);
 619
 620    if (!st->swbuf) {
 621       if (st->use_direct_map) {
 622          svga_texture_surface_unmap(svga, transfer);
 623       }
 624       else {
 625          sws->buffer_unmap(sws, st->hwbuf);
 626       }
 627    }
 628
 629    if (!st->use_direct_map && (st->base.usage & PIPE_TRANSFER_WRITE)) {
 630       /* Use DMA to transfer texture data */
 631       SVGA3dSurfaceDMAFlags flags;
 632
 633       memset(&flags, 0, sizeof flags);
 634       if (transfer->usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
 635          flags.discard = TRUE;
 636       }
 637       if (transfer->usage & PIPE_TRANSFER_UNSYNCHRONIZED) {
 638          flags.unsynchronized = TRUE;
 639       }
 640
 641       svga_transfer_dma(svga, st, SVGA3D_WRITE_HOST_VRAM, flags);
 642    } else if (transfer->usage & PIPE_TRANSFER_WRITE) {
 643       struct svga_winsys_surface *surf =
 644          svga_texture(transfer->resource)->handle;
 645       SVGA3dBox box;
 646       enum pipe_error ret;
 647
 648       assert(svga_have_gb_objects(svga));
 649
 650       /* update the effected region */
 651       box.x = transfer->box.x;
 652       box.y = transfer->box.y;
 653       switch (tex->b.b.target) {
 654       case PIPE_TEXTURE_CUBE:
 655       case PIPE_TEXTURE_2D_ARRAY:
 656          box.z = 0;
 657          break;
 658       case PIPE_TEXTURE_1D_ARRAY:
 659          box.y = box.z = 0;
 660          break;
 661       default:
 662          box.z = transfer->box.z;
 663          break;
 664       }
 665       box.w = transfer->box.width;
 666       box.h = transfer->box.height;
 667       box.d = transfer->box.depth;
 668
 669       if (0)
 670          debug_printf("%s %d, %d, %d  %d x %d x %d\n",
 671                       __FUNCTION__,
 672                       box.x, box.y, box.z,
 673                       box.w, box.h, box.d);
 674
 675       if (svga_have_vgpu10(svga)) {
 676          ret = update_image_vgpu10(svga, surf, &box, st->slice, transfer->level,
 677                                    tex->b.b.last_level + 1);
 678       } else {
 679          ret = update_image_vgpu9(svga, surf, &box, st->slice, transfer->level);
 680       }
 681
 682       assert(ret == PIPE_OK);
 683       (void) ret;
 684    }
 685
 686    ss->texture_timestamp++;
 687    svga_age_texture_view(tex, transfer->level);
 688    if (transfer->resource->target == PIPE_TEXTURE_CUBE)
 689       svga_define_texture_level(tex, st->slice, transfer->level);
 690    else
 691       svga_define_texture_level(tex, 0, transfer->level);
 692
 693    pipe_resource_reference(&st->base.resource, NULL);
 694
 695    FREE(st->swbuf);
 696    if (!st->use_direct_map) {
 697       sws->buffer_destroy(sws, st->hwbuf);
 698    }
 699    FREE(st);
 700 }
 701
 702
 703 /**
 704  * Does format store depth values?
 705  */
 706 static inline boolean
 707 format_has_depth(enum pipe_format format)
 708 {
 709    const struct util_format_description *desc = util_format_description(format);
 710    return util_format_has_depth(desc);
 711 }
 712
 713
 714 struct u_resource_vtbl svga_texture_vtbl =
 715 {
 716    svga_texture_get_handle,           /* get_handle */
 717    svga_texture_destroy,              /* resource_destroy */
 718    svga_texture_transfer_map,         /* transfer_map */
 719    u_default_transfer_flush_region,   /* transfer_flush_region */
 720    svga_texture_transfer_unmap,       /* transfer_unmap */
 721    u_default_transfer_inline_write    /* transfer_inline_write */
 722 };
 723
 724
 725 struct pipe_resource *
 726 svga_texture_create(struct pipe_screen *screen,
 727                     const struct pipe_resource *template)
 728 {
 729    struct svga_screen *svgascreen = svga_screen(screen);
 730    struct svga_texture *tex;
 731    unsigned bindings = template->bind;
 732
 733    assert(template->last_level < SVGA_MAX_TEXTURE_LEVELS);
 734    if (template->last_level >= SVGA_MAX_TEXTURE_LEVELS) {
 735       return NULL;
 736    }
 737
 738    tex = CALLOC_STRUCT(svga_texture);
 739    if (!tex) {
 740       return NULL;
 741    }
 742
 743    tex->defined = CALLOC(template->depth0 * template->array_size,
 744                          sizeof(tex->defined[0]));
 745    if (!tex->defined) {
 746       FREE(tex);
 747       return NULL;
 748    }
 749
 750    tex->rendered_to = CALLOC(template->depth0 * template->array_size,
 751                              sizeof(tex->rendered_to[0]));
 752    if (!tex->rendered_to) {
 753       FREE(tex->defined);
 754       FREE(tex);
 755       return NULL;
 756    }
 757
 758    tex->b.b = *template;
 759    tex->b.vtbl = &svga_texture_vtbl;
 760    pipe_reference_init(&tex->b.b.reference, 1);
 761    tex->b.b.screen = screen;
 762
 763    tex->key.flags = 0;
 764    tex->key.size.width = template->width0;
 765    tex->key.size.height = template->height0;
 766    tex->key.size.depth = template->depth0;
 767    tex->key.arraySize = 1;
 768    tex->key.numFaces = 1;
 769    tex->key.sampleCount = template->nr_samples;
 770
 771    if (template->nr_samples > 1) {
 772       tex->key.flags |= SVGA3D_SURFACE_MASKABLE_ANTIALIAS;
 773    }
 774
 775    if (svgascreen->sws->have_vgpu10) {
 776       switch (template->target) {
 777       case PIPE_TEXTURE_1D:
 778          tex->key.flags |= SVGA3D_SURFACE_1D;
 779          break;
 780       case PIPE_TEXTURE_1D_ARRAY:
 781          tex->key.flags |= SVGA3D_SURFACE_1D;
 782          /* fall-through */
 783       case PIPE_TEXTURE_2D_ARRAY:
 784          tex->key.flags |= SVGA3D_SURFACE_ARRAY;
 785          tex->key.arraySize = template->array_size;
 786          break;
 787       case PIPE_TEXTURE_3D:
 788          tex->key.flags |= SVGA3D_SURFACE_VOLUME;
 789          break;
 790       case PIPE_TEXTURE_CUBE:
 791          tex->key.flags |= (SVGA3D_SURFACE_CUBEMAP | SVGA3D_SURFACE_ARRAY);
 792          tex->key.numFaces = 6;
 793          break;
 794       default:
 795          break;
 796       }
 797    }
 798    else {
 799       switch (template->target) {
 800       case PIPE_TEXTURE_3D:
 801          tex->key.flags |= SVGA3D_SURFACE_VOLUME;
 802          break;
 803       case PIPE_TEXTURE_CUBE:
 804          tex->key.flags |= SVGA3D_SURFACE_CUBEMAP;
 805          tex->key.numFaces = 6;
 806          break;
 807       default:
 808          break;
 809       }
 810    }
 811
 812    tex->key.cachable = 1;
 813
 814    if (bindings & PIPE_BIND_SAMPLER_VIEW) {
 815       tex->key.flags |= SVGA3D_SURFACE_HINT_TEXTURE;
 816       tex->key.flags |= SVGA3D_SURFACE_BIND_SHADER_RESOURCE;
 817
 818       if (!(bindings & PIPE_BIND_RENDER_TARGET)) {
 819          /* Also check if the format is renderable */
 820          if (screen->is_format_supported(screen, template->format,
 821                                          template->target,
 822                                          template->nr_samples,
 823                                          PIPE_BIND_RENDER_TARGET)) {
 824             bindings |= PIPE_BIND_RENDER_TARGET;
 825          }
 826       }
 827    }
 828
 829    if (bindings & PIPE_BIND_DISPLAY_TARGET) {
 830       tex->key.cachable = 0;
 831    }
 832
 833    if (bindings & PIPE_BIND_SHARED) {
 834       tex->key.cachable = 0;
 835    }
 836
 837    if (bindings & (PIPE_BIND_SCANOUT | PIPE_BIND_CURSOR)) {
 838       tex->key.scanout = 1;
 839       tex->key.cachable = 0;
 840    }
 841
 842    /*
 843     * Note: Previously we never passed the
 844     * SVGA3D_SURFACE_HINT_RENDERTARGET hint. Mesa cannot
 845     * know beforehand whether a texture will be used as a rendertarget or not
 846     * and it always requests PIPE_BIND_RENDER_TARGET, therefore
 847     * passing the SVGA3D_SURFACE_HINT_RENDERTARGET here defeats its purpose.
 848     *
 849     * However, this was changed since other state trackers
 850     * (XA for example) uses it accurately and certain device versions
 851     * relies on it in certain situations to render correctly.
 852     */
 853    if ((bindings & PIPE_BIND_RENDER_TARGET) &&
 854        !util_format_is_s3tc(template->format)) {
 855       tex->key.flags |= SVGA3D_SURFACE_HINT_RENDERTARGET;
 856       tex->key.flags |= SVGA3D_SURFACE_BIND_RENDER_TARGET;
 857    }
 858
 859    if (bindings & PIPE_BIND_DEPTH_STENCIL) {
 860       tex->key.flags |= SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
 861       tex->key.flags |= SVGA3D_SURFACE_BIND_DEPTH_STENCIL;
 862    }
 863
 864    tex->key.numMipLevels = template->last_level + 1;
 865
 866    tex->key.format = svga_translate_format(svgascreen, template->format,
 867                                            bindings);
 868    if (tex->key.format == SVGA3D_FORMAT_INVALID) {
 869       FREE(tex->defined);
 870       FREE(tex->rendered_to);
 871       FREE(tex);
 872       return NULL;
 873    }
 874
 875    /* Use typeless formats for sRGB and depth resources.  Typeless
 876     * formats can be reinterpreted as other formats.  For example,
 877     * SVGA3D_R8G8B8A8_UNORM_TYPELESS can be interpreted as
 878     * SVGA3D_R8G8B8A8_UNORM_SRGB or SVGA3D_R8G8B8A8_UNORM.
 879     */
 880    if (svgascreen->sws->have_vgpu10 &&
 881        (util_format_is_srgb(template->format) ||
 882         format_has_depth(template->format))) {
 883       SVGA3dSurfaceFormat typeless = svga_typeless_format(tex->key.format);
 884       if (0) {
 885          debug_printf("Convert resource type %s -> %s (bind 0x%x)\n",
 886                       svga_format_name(tex->key.format),
 887                       svga_format_name(typeless),
 888                       bindings);
 889       }
 890       tex->key.format = typeless;
 891    }
 892
 893    SVGA_DBG(DEBUG_DMA, "surface_create for texture\n", tex->handle);
 894    tex->handle = svga_screen_surface_create(svgascreen, bindings,
 895                                             tex->b.b.usage, &tex->key);
 896    if (!tex->handle) {
 897       FREE(tex->defined);
 898       FREE(tex->rendered_to);
 899       FREE(tex);
 900       return NULL;
 901    }
 902
 903    SVGA_DBG(DEBUG_DMA, "  --> got sid %p (texture)\n", tex->handle);
 904
 905    debug_reference(&tex->b.b.reference,
 906                    (debug_reference_descriptor)debug_describe_resource, 0);
 907
 908    tex->size = util_resource_size(template);
 909    svgascreen->hud.total_resource_bytes += tex->size;
 910    svgascreen->hud.num_resources++;
 911
 912    return &tex->b.b;
 913 }
 914
 915
 916 struct pipe_resource *
 917 svga_texture_from_handle(struct pipe_screen *screen,
 918                          const struct pipe_resource *template,
 919                          struct winsys_handle *whandle)
 920 {
 921    struct svga_winsys_screen *sws = svga_winsys_screen(screen);
 922    struct svga_screen *ss = svga_screen(screen);
 923    struct svga_winsys_surface *srf;
 924    struct svga_texture *tex;
 925    enum SVGA3dSurfaceFormat format = 0;
 926    assert(screen);
 927
 928    /* Only supports one type */
 929    if ((template->target != PIPE_TEXTURE_2D &&
 930        template->target != PIPE_TEXTURE_RECT) ||
 931        template->last_level != 0 ||
 932        template->depth0 != 1) {
 933       return NULL;
 934    }
 935
 936    srf = sws->surface_from_handle(sws, whandle, &format);
 937
 938    if (!srf)
 939       return NULL;
 940
 941    if (svga_translate_format(svga_screen(screen), template->format,
 942                              template->bind) != format) {
 943       unsigned f1 = svga_translate_format(svga_screen(screen),
 944                                           template->format, template->bind);
 945       unsigned f2 = format;
 946
 947       /* It's okay for XRGB and ARGB or depth with/out stencil to get mixed up.
 948        */
 949       if (f1 == SVGA3D_B8G8R8A8_UNORM)
 950          f1 = SVGA3D_A8R8G8B8;
 951       if (f1 == SVGA3D_B8G8R8X8_UNORM)
 952          f1 = SVGA3D_X8R8G8B8;
 953
 954       if ( !( (f1 == f2) ||
 955               (f1 == SVGA3D_X8R8G8B8 && f2 == SVGA3D_A8R8G8B8) ||
 956               (f1 == SVGA3D_X8R8G8B8 && f2 == SVGA3D_B8G8R8X8_UNORM) ||
 957               (f1 == SVGA3D_A8R8G8B8 && f2 == SVGA3D_X8R8G8B8) ||
 958               (f1 == SVGA3D_A8R8G8B8 && f2 == SVGA3D_B8G8R8A8_UNORM) ||
 959               (f1 == SVGA3D_Z_D24X8 && f2 == SVGA3D_Z_D24S8) ||
 960               (f1 == SVGA3D_Z_DF24 && f2 == SVGA3D_Z_D24S8_INT) ) ) {
 961          debug_printf("%s wrong format %s != %s\n", __FUNCTION__,
 962                       svga_format_name(f1), svga_format_name(f2));
 963          return NULL;
 964       }
 965    }
 966
 967    tex = CALLOC_STRUCT(svga_texture);
 968    if (!tex)
 969       return NULL;
 970
 971    tex->defined = CALLOC(template->depth0 * template->array_size,
 972                          sizeof(tex->defined[0]));
 973    if (!tex->defined) {
 974       FREE(tex);
 975       return NULL;
 976    }
 977
 978    tex->b.b = *template;
 979    tex->b.vtbl = &svga_texture_vtbl;
 980    pipe_reference_init(&tex->b.b.reference, 1);
 981    tex->b.b.screen = screen;
 982
 983    SVGA_DBG(DEBUG_DMA, "wrap surface sid %p\n", srf);
 984
 985    tex->key.cachable = 0;
 986    tex->key.format = format;
 987    tex->handle = srf;
 988
 989    tex->rendered_to = CALLOC(1, sizeof(tex->rendered_to[0]));
 990    tex->imported = TRUE;
 991
 992    ss->hud.num_resources++;
 993
 994    return &tex->b.b;
 995 }
 996
 997 boolean
 998 svga_texture_generate_mipmap(struct pipe_context *pipe,
 999                              struct pipe_resource *pt,
1000                              enum pipe_format format,
1001                              unsigned base_level,
1002                              unsigned last_level,
1003                              unsigned first_layer,
1004                              unsigned last_layer)
1005 {
1006    struct pipe_sampler_view templ, *psv;
1007    struct svga_pipe_sampler_view *sv;
1008    struct svga_context *svga = svga_context(pipe);
1009    struct svga_texture *tex = svga_texture(pt);
1010    enum pipe_error ret;
1011
1012    assert(svga_have_vgpu10(svga));
1013
1014    /* Only support 2D texture for now */
1015    if (pt->target != PIPE_TEXTURE_2D)
1016       return FALSE;
1017
1018    /* Fallback to the mipmap generation utility for those formats that
1019     * do not support hw generate mipmap
1020     */
1021    if (!svga_format_support_gen_mips(format))
1022       return FALSE;
1023
1024    /* Make sure the texture surface was created with
1025     * SVGA3D_SURFACE_BIND_RENDER_TARGET
1026     */
1027    if (!tex->handle || !(tex->key.flags & SVGA3D_SURFACE_BIND_RENDER_TARGET))
1028       return FALSE;
1029
1030    templ.format = format;
1031    templ.u.tex.first_layer = first_layer;
1032    templ.u.tex.last_layer = last_layer;
1033    templ.u.tex.first_level = base_level;
1034    templ.u.tex.last_level = last_level;
1035
1036    psv = pipe->create_sampler_view(pipe, pt, &templ);
1037    if (psv == NULL)
1038       return FALSE;
1039
1040    sv = svga_pipe_sampler_view(psv);
1041    svga_validate_pipe_sampler_view(svga, sv);
1042
1043    ret = SVGA3D_vgpu10_GenMips(svga->swc, sv->id, tex->handle);
1044    if (ret != PIPE_OK) {
1045       svga_context_flush(svga, NULL);
1046       ret = SVGA3D_vgpu10_GenMips(svga->swc, sv->id, tex->handle);
1047    }
1048    pipe_sampler_view_reference(&psv, NULL);
1049
1050    svga->hud.num_generate_mipmap++;
1051
1052    return TRUE;
1053 }