src/vulkan/anv_image.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   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 (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31
  32 /**
  33  * Exactly one bit must be set in \a aspect.
  34  */
  35 static isl_surf_usage_flags_t
  36 choose_isl_surf_usage(VkImageUsageFlags vk_usage,
  37                       VkImageAspectFlags aspect)
  38 {
  39    isl_surf_usage_flags_t isl_usage = 0;
  40
  41    /* FINISHME: Support aux surfaces */
  42    isl_usage |= ISL_SURF_USAGE_DISABLE_AUX_BIT;
  43
  44    if (vk_usage & VK_IMAGE_USAGE_SAMPLED_BIT)
  45       isl_usage |= ISL_SURF_USAGE_TEXTURE_BIT;
  46
  47    if (vk_usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT)
  48       isl_usage |= ISL_SURF_USAGE_TEXTURE_BIT;
  49
  50    if (vk_usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
  51       isl_usage |= ISL_SURF_USAGE_RENDER_TARGET_BIT;
  52
  53    if (vk_usage & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT)
  54       isl_usage |= ISL_SURF_USAGE_CUBE_BIT;
  55
  56    if (vk_usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
  57       switch (aspect) {
  58       default:
  59          unreachable("bad VkImageAspect");
  60       case VK_IMAGE_ASPECT_DEPTH_BIT:
  61          isl_usage |= ISL_SURF_USAGE_DEPTH_BIT;
  62          break;
  63       case VK_IMAGE_ASPECT_STENCIL_BIT:
  64          isl_usage |= ISL_SURF_USAGE_STENCIL_BIT;
  65          break;
  66       }
  67    }
  68
  69    if (vk_usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
  70       /* Meta implements transfers by sampling from the source image. */
  71       isl_usage |= ISL_SURF_USAGE_TEXTURE_BIT;
  72    }
  73
  74    if (vk_usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
  75       /* Meta implements transfers by rendering into the destination image. */
  76       isl_usage |= ISL_SURF_USAGE_RENDER_TARGET_BIT;
  77    }
  78
  79    return isl_usage;
  80 }
  81
  82 /**
  83  * Exactly one bit must be set in \a aspect.
  84  */
  85 static struct anv_surface *
  86 get_surface(struct anv_image *image, VkImageAspectFlags aspect)
  87 {
  88    switch (aspect) {
  89    default:
  90       unreachable("bad VkImageAspect");
  91    case VK_IMAGE_ASPECT_COLOR_BIT:
  92       return &image->color_surface;
  93    case VK_IMAGE_ASPECT_DEPTH_BIT:
  94       return &image->depth_surface;
  95    case VK_IMAGE_ASPECT_STENCIL_BIT:
  96       return &image->stencil_surface;
  97    }
  98 }
  99
 100 /**
 101  * Initialize the anv_image::*_surface selected by \a aspect. Then update the
 102  * image's memory requirements (that is, the image's size and alignment).
 103  *
 104  * Exactly one bit must be set in \a aspect.
 105  */
 106 static VkResult
 107 make_surface(const struct anv_device *dev,
 108              struct anv_image *image,
 109              const struct anv_image_create_info *anv_info,
 110              VkImageAspectFlags aspect)
 111 {
 112    const VkImageCreateInfo *vk_info = anv_info->vk_info;
 113    bool ok UNUSED;
 114
 115    static const enum isl_surf_dim vk_to_isl_surf_dim[] = {
 116       [VK_IMAGE_TYPE_1D] = ISL_SURF_DIM_1D,
 117       [VK_IMAGE_TYPE_2D] = ISL_SURF_DIM_2D,
 118       [VK_IMAGE_TYPE_3D] = ISL_SURF_DIM_3D,
 119    };
 120
 121    isl_tiling_flags_t tiling_flags = anv_info->isl_tiling_flags;
 122    if (vk_info->tiling == VK_IMAGE_TILING_LINEAR)
 123       tiling_flags &= ISL_TILING_LINEAR_BIT;
 124
 125    struct anv_surface *anv_surf = get_surface(image, aspect);
 126
 127    ok = isl_surf_init(&dev->isl_dev, &anv_surf->isl,
 128       .dim = vk_to_isl_surf_dim[vk_info->imageType],
 129       .format = anv_get_isl_format(vk_info->format, aspect,
 130                                    vk_info->tiling, NULL),
 131       .width = vk_info->extent.width,
 132       .height = vk_info->extent.height,
 133       .depth = vk_info->extent.depth,
 134       .levels = vk_info->mipLevels,
 135       .array_len = vk_info->arrayLayers,
 136       .samples = vk_info->samples,
 137       .min_alignment = 0,
 138       .min_pitch = 0,
 139       .usage = choose_isl_surf_usage(image->usage, aspect),
 140       .tiling_flags = tiling_flags);
 141
 142    /* isl_surf_init() will fail only if provided invalid input. Invalid input
 143     * is illegal in Vulkan.
 144     */
 145    assert(ok);
 146
 147    anv_surf->offset = align_u32(image->size, anv_surf->isl.alignment);
 148    image->size = anv_surf->offset + anv_surf->isl.size;
 149    image->alignment = MAX(image->alignment, anv_surf->isl.alignment);
 150
 151    return VK_SUCCESS;
 152 }
 153
 154 /**
 155  * Parameter @a format is required and overrides VkImageCreateInfo::format.
 156  */
 157 static VkImageUsageFlags
 158 anv_image_get_full_usage(const VkImageCreateInfo *info,
 159                          const struct anv_format *format)
 160 {
 161    VkImageUsageFlags usage = info->usage;
 162
 163    if (info->samples > 1 &&
 164        (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
 165       /* Meta will resolve the image by binding it as a texture. */
 166       usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
 167    }
 168
 169    if (usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
 170       /* Meta will transfer from the image by binding it as a texture. */
 171       usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
 172    }
 173
 174    if (usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
 175       /* For non-clear transfer operations, meta will transfer to the image by
 176        * binding it as a color attachment, even if the image format is not
 177        * a color format.
 178        */
 179       usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 180
 181       if (anv_format_is_depth_or_stencil(format)) {
 182          /* vkCmdClearDepthStencilImage() only requires that
 183           * VK_IMAGE_USAGE_TRANSFER_SRC_BIT be set. In particular, it does
 184           * not require VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT. Meta
 185           * clears the image, though, by binding it as a depthstencil
 186           * attachment.
 187           */
 188          usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
 189       }
 190    }
 191
 192    return usage;
 193 }
 194
 195 VkResult
 196 anv_image_create(VkDevice _device,
 197                  const struct anv_image_create_info *create_info,
 198                  const VkAllocationCallbacks* alloc,
 199                  VkImage *pImage)
 200 {
 201    ANV_FROM_HANDLE(anv_device, device, _device);
 202    const VkImageCreateInfo *pCreateInfo = create_info->vk_info;
 203    struct anv_image *image = NULL;
 204    const struct anv_format *format = anv_format_for_vk_format(pCreateInfo->format);
 205    VkResult r;
 206
 207    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
 208
 209    anv_assert(pCreateInfo->mipLevels > 0);
 210    anv_assert(pCreateInfo->arrayLayers > 0);
 211    anv_assert(pCreateInfo->samples > 0);
 212    anv_assert(pCreateInfo->extent.width > 0);
 213    anv_assert(pCreateInfo->extent.height > 0);
 214    anv_assert(pCreateInfo->extent.depth > 0);
 215
 216    image = anv_alloc2(&device->alloc, alloc, sizeof(*image), 8,
 217                       VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 218    if (!image)
 219       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 220
 221    memset(image, 0, sizeof(*image));
 222    image->type = pCreateInfo->imageType;
 223    image->extent = pCreateInfo->extent;
 224    image->vk_format = pCreateInfo->format;
 225    image->format = format;
 226    image->levels = pCreateInfo->mipLevels;
 227    image->array_size = pCreateInfo->arrayLayers;
 228    image->samples = pCreateInfo->samples;
 229    image->usage = anv_image_get_full_usage(pCreateInfo, format);
 230    image->tiling = pCreateInfo->tiling;
 231
 232    if (likely(anv_format_is_color(format))) {
 233       r = make_surface(device, image, create_info,
 234                        VK_IMAGE_ASPECT_COLOR_BIT);
 235       if (r != VK_SUCCESS)
 236          goto fail;
 237    } else {
 238       if (image->format->has_depth) {
 239          r = make_surface(device, image, create_info,
 240                           VK_IMAGE_ASPECT_DEPTH_BIT);
 241          if (r != VK_SUCCESS)
 242             goto fail;
 243       }
 244
 245       if (image->format->has_stencil) {
 246          r = make_surface(device, image, create_info,
 247                           VK_IMAGE_ASPECT_STENCIL_BIT);
 248          if (r != VK_SUCCESS)
 249             goto fail;
 250       }
 251    }
 252
 253    *pImage = anv_image_to_handle(image);
 254
 255    return VK_SUCCESS;
 256
 257 fail:
 258    if (image)
 259       anv_free2(&device->alloc, alloc, image);
 260
 261    return r;
 262 }
 263
 264 VkResult
 265 anv_CreateImage(VkDevice device,
 266                 const VkImageCreateInfo *pCreateInfo,
 267                 const VkAllocationCallbacks *pAllocator,
 268                 VkImage *pImage)
 269 {
 270    return anv_image_create(device,
 271       &(struct anv_image_create_info) {
 272          .vk_info = pCreateInfo,
 273          .isl_tiling_flags = ISL_TILING_ANY_MASK,
 274       },
 275       pAllocator,
 276       pImage);
 277 }
 278
 279 void
 280 anv_DestroyImage(VkDevice _device, VkImage _image,
 281                  const VkAllocationCallbacks *pAllocator)
 282 {
 283    ANV_FROM_HANDLE(anv_device, device, _device);
 284
 285    anv_free2(&device->alloc, pAllocator, anv_image_from_handle(_image));
 286 }
 287
 288 static void
 289 anv_surface_get_subresource_layout(struct anv_image *image,
 290                                    struct anv_surface *surface,
 291                                    const VkImageSubresource *subresource,
 292                                    VkSubresourceLayout *layout)
 293 {
 294    /* If we are on a non-zero mip level or array slice, we need to
 295     * calculate a real offset.
 296     */
 297    anv_assert(subresource->mipLevel == 0);
 298    anv_assert(subresource->arrayLayer == 0);
 299
 300    layout->offset = surface->offset;
 301    layout->rowPitch = surface->isl.row_pitch;
 302    layout->depthPitch = isl_surf_get_array_pitch(&surface->isl);
 303    layout->arrayPitch = isl_surf_get_array_pitch(&surface->isl);
 304    layout->size = surface->isl.size;
 305 }
 306
 307 void anv_GetImageSubresourceLayout(
 308     VkDevice                                    device,
 309     VkImage                                     _image,
 310     const VkImageSubresource*                   pSubresource,
 311     VkSubresourceLayout*                        pLayout)
 312 {
 313    ANV_FROM_HANDLE(anv_image, image, _image);
 314
 315    assert(__builtin_popcount(pSubresource->aspectMask) == 1);
 316
 317    switch (pSubresource->aspectMask) {
 318    case VK_IMAGE_ASPECT_COLOR_BIT:
 319       anv_surface_get_subresource_layout(image, &image->color_surface,
 320                                          pSubresource, pLayout);
 321       break;
 322    case VK_IMAGE_ASPECT_DEPTH_BIT:
 323       anv_surface_get_subresource_layout(image, &image->depth_surface,
 324                                          pSubresource, pLayout);
 325       break;
 326    case VK_IMAGE_ASPECT_STENCIL_BIT:
 327       anv_surface_get_subresource_layout(image, &image->stencil_surface,
 328                                          pSubresource, pLayout);
 329       break;
 330    default:
 331       assert(!"Invalid image aspect");
 332    }
 333 }
 334
 335 VkResult
 336 anv_validate_CreateImageView(VkDevice _device,
 337                              const VkImageViewCreateInfo *pCreateInfo,
 338                              const VkAllocationCallbacks *pAllocator,
 339                              VkImageView *pView)
 340 {
 341    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 342    const VkImageSubresourceRange *subresource;
 343    const struct anv_format *view_format_info;
 344
 345    /* Validate structure type before dereferencing it. */
 346    assert(pCreateInfo);
 347    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO);
 348    subresource = &pCreateInfo->subresourceRange;
 349
 350    /* Validate viewType is in range before using it. */
 351    assert(pCreateInfo->viewType >= VK_IMAGE_VIEW_TYPE_BEGIN_RANGE);
 352    assert(pCreateInfo->viewType <= VK_IMAGE_VIEW_TYPE_END_RANGE);
 353
 354    /* Validate format is in range before using it. */
 355    assert(pCreateInfo->format >= VK_FORMAT_BEGIN_RANGE);
 356    assert(pCreateInfo->format <= VK_FORMAT_END_RANGE);
 357    view_format_info = anv_format_for_vk_format(pCreateInfo->format);
 358
 359    /* Validate channel swizzles. */
 360    assert(pCreateInfo->components.r >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 361    assert(pCreateInfo->components.r <= VK_COMPONENT_SWIZZLE_END_RANGE);
 362    assert(pCreateInfo->components.g >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 363    assert(pCreateInfo->components.g <= VK_COMPONENT_SWIZZLE_END_RANGE);
 364    assert(pCreateInfo->components.b >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 365    assert(pCreateInfo->components.b <= VK_COMPONENT_SWIZZLE_END_RANGE);
 366    assert(pCreateInfo->components.a >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 367    assert(pCreateInfo->components.a <= VK_COMPONENT_SWIZZLE_END_RANGE);
 368
 369    /* Validate subresource. */
 370    assert(subresource->aspectMask != 0);
 371    assert(subresource->levelCount > 0);
 372    assert(subresource->layerCount > 0);
 373    assert(subresource->baseMipLevel < image->levels);
 374    assert(subresource->baseMipLevel + subresource->levelCount <= image->levels);
 375    assert(subresource->baseArrayLayer < image->array_size);
 376    assert(subresource->baseArrayLayer + subresource->layerCount <= image->array_size);
 377    assert(pView);
 378
 379    const VkImageAspectFlags ds_flags = VK_IMAGE_ASPECT_DEPTH_BIT
 380                                      | VK_IMAGE_ASPECT_STENCIL_BIT;
 381
 382    /* Validate format. */
 383    if (subresource->aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) {
 384       assert(subresource->aspectMask == VK_IMAGE_ASPECT_COLOR_BIT);
 385       assert(!image->format->has_depth);
 386       assert(!image->format->has_stencil);
 387       assert(!view_format_info->has_depth);
 388       assert(!view_format_info->has_stencil);
 389       assert(view_format_info->isl_layout->bs ==
 390              image->format->isl_layout->bs);
 391    } else if (subresource->aspectMask & ds_flags) {
 392       assert((subresource->aspectMask & ~ds_flags) == 0);
 393
 394       if (subresource->aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
 395          assert(image->format->has_depth);
 396          assert(view_format_info->has_depth);
 397          assert(view_format_info->isl_layout->bs ==
 398                 image->format->isl_layout->bs);
 399       }
 400
 401       if (subresource->aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
 402          /* FINISHME: Is it legal to have an R8 view of S8? */
 403          assert(image->format->has_stencil);
 404          assert(view_format_info->has_stencil);
 405       }
 406    } else {
 407       assert(!"bad VkImageSubresourceRange::aspectFlags");
 408    }
 409
 410    return anv_CreateImageView(_device, pCreateInfo, pAllocator, pView);
 411 }
 412
 413 void
 414 anv_fill_image_surface_state(struct anv_device *device, struct anv_state state,
 415                              struct anv_image_view *iview,
 416                              const VkImageViewCreateInfo *pCreateInfo,
 417                              VkImageUsageFlagBits usage)
 418 {
 419    switch (device->info.gen) {
 420    case 7:
 421       if (device->info.is_haswell)
 422          gen75_fill_image_surface_state(device, state.map, iview,
 423                                         pCreateInfo, usage);
 424       else
 425          gen7_fill_image_surface_state(device, state.map, iview,
 426                                        pCreateInfo, usage);
 427       break;
 428    case 8:
 429       gen8_fill_image_surface_state(device, state.map, iview,
 430                                     pCreateInfo, usage);
 431       break;
 432    case 9:
 433       gen9_fill_image_surface_state(device, state.map, iview,
 434                                     pCreateInfo, usage);
 435       break;
 436    default:
 437       unreachable("unsupported gen\n");
 438    }
 439
 440    if (!device->info.has_llc)
 441       anv_state_clflush(state);
 442 }
 443
 444 static struct anv_state
 445 alloc_surface_state(struct anv_device *device,
 446                     struct anv_cmd_buffer *cmd_buffer)
 447 {
 448       if (cmd_buffer) {
 449          return anv_cmd_buffer_alloc_surface_state(cmd_buffer);
 450       } else {
 451          return anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 452       }
 453 }
 454
 455 static bool
 456 has_matching_storage_typed_format(const struct anv_device *device,
 457                                   enum isl_format format)
 458 {
 459    return (isl_format_get_layout(format)->bs <= 4 ||
 460            (isl_format_get_layout(format)->bs <= 8 &&
 461             (device->info.gen >= 8 || device->info.is_haswell)) ||
 462            device->info.gen >= 9);
 463 }
 464
 465 static VkComponentSwizzle
 466 remap_swizzle(VkComponentSwizzle swizzle, VkComponentSwizzle component,
 467               struct anv_format_swizzle format_swizzle)
 468 {
 469    if (swizzle == VK_COMPONENT_SWIZZLE_IDENTITY)
 470       swizzle = component;
 471
 472    switch (swizzle) {
 473    case VK_COMPONENT_SWIZZLE_ZERO:
 474       return VK_COMPONENT_SWIZZLE_ZERO;
 475    case VK_COMPONENT_SWIZZLE_ONE:
 476       return VK_COMPONENT_SWIZZLE_ONE;
 477    case VK_COMPONENT_SWIZZLE_R:
 478       return VK_COMPONENT_SWIZZLE_R + format_swizzle.r;
 479    case VK_COMPONENT_SWIZZLE_G:
 480       return VK_COMPONENT_SWIZZLE_R + format_swizzle.g;
 481    case VK_COMPONENT_SWIZZLE_B:
 482       return VK_COMPONENT_SWIZZLE_R + format_swizzle.b;
 483    case VK_COMPONENT_SWIZZLE_A:
 484       return VK_COMPONENT_SWIZZLE_R + format_swizzle.a;
 485    default:
 486       unreachable("Invalid swizzle");
 487    }
 488 }
 489
 490 void
 491 anv_image_view_init(struct anv_image_view *iview,
 492                     struct anv_device *device,
 493                     const VkImageViewCreateInfo* pCreateInfo,
 494                     struct anv_cmd_buffer *cmd_buffer,
 495                     uint32_t offset)
 496 {
 497    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 498    const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
 499    VkImageViewCreateInfo mCreateInfo;
 500    memcpy(&mCreateInfo, pCreateInfo, sizeof(VkImageViewCreateInfo));
 501
 502    assert(range->layerCount > 0);
 503    assert(range->baseMipLevel < image->levels);
 504    assert(image->usage & (VK_IMAGE_USAGE_SAMPLED_BIT |
 505                           VK_IMAGE_USAGE_STORAGE_BIT |
 506                           VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
 507                           VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT));
 508
 509    switch (image->type) {
 510    default:
 511       unreachable("bad VkImageType");
 512    case VK_IMAGE_TYPE_1D:
 513    case VK_IMAGE_TYPE_2D:
 514       assert(range->baseArrayLayer + range->layerCount - 1 <= image->array_size);
 515       break;
 516    case VK_IMAGE_TYPE_3D:
 517       assert(range->baseArrayLayer + range->layerCount - 1
 518              <= anv_minify(image->extent.depth, range->baseMipLevel));
 519       break;
 520    }
 521
 522    struct anv_surface *surface =
 523       anv_image_get_surface_for_aspect_mask(image, range->aspectMask);
 524
 525    iview->image = image;
 526    iview->bo = image->bo;
 527    iview->offset = image->offset + surface->offset + offset;
 528
 529    iview->aspect_mask = pCreateInfo->subresourceRange.aspectMask;
 530    iview->vk_format = pCreateInfo->format;
 531
 532    struct anv_format_swizzle swizzle;
 533    iview->format = anv_get_isl_format(pCreateInfo->format, iview->aspect_mask,
 534                                       image->tiling, &swizzle);
 535    iview->swizzle.r = remap_swizzle(pCreateInfo->components.r,
 536                                     VK_COMPONENT_SWIZZLE_R, swizzle);
 537    iview->swizzle.g = remap_swizzle(pCreateInfo->components.g,
 538                                     VK_COMPONENT_SWIZZLE_G, swizzle);
 539    iview->swizzle.b = remap_swizzle(pCreateInfo->components.b,
 540                                     VK_COMPONENT_SWIZZLE_B, swizzle);
 541    iview->swizzle.a = remap_swizzle(pCreateInfo->components.a,
 542                                     VK_COMPONENT_SWIZZLE_A, swizzle);
 543
 544    iview->base_layer = range->baseArrayLayer;
 545    iview->base_mip = range->baseMipLevel;
 546
 547    if (!isl_format_is_compressed(iview->format) &&
 548        isl_format_is_compressed(image->format->isl_format)) {
 549       /* Scale the ImageView extent by the backing Image. This is used
 550        * internally when an uncompressed ImageView is created on a
 551        * compressed Image. The ImageView can therefore be used for copying
 552        * data from a source Image to a destination Image.
 553        */
 554       const struct isl_format_layout * isl_layout = image->format->isl_layout;
 555
 556       iview->level_0_extent.depth  = anv_minify(image->extent.depth, range->baseMipLevel);
 557       iview->level_0_extent.depth  = DIV_ROUND_UP(iview->level_0_extent.depth, isl_layout->bd);
 558
 559       iview->level_0_extent.height = isl_surf_get_array_pitch_el_rows(&surface->isl) * image->array_size;
 560       iview->level_0_extent.width  = isl_surf_get_row_pitch_el(&surface->isl);
 561       mCreateInfo.subresourceRange.baseMipLevel = 0;
 562       mCreateInfo.subresourceRange.baseArrayLayer = 0;
 563    } else {
 564       iview->level_0_extent.width  = image->extent.width;
 565       iview->level_0_extent.height = image->extent.height;
 566       iview->level_0_extent.depth  = image->extent.depth;
 567    }
 568
 569    iview->extent = (VkExtent3D) {
 570       .width  = anv_minify(iview->level_0_extent.width , range->baseMipLevel),
 571       .height = anv_minify(iview->level_0_extent.height, range->baseMipLevel),
 572       .depth  = anv_minify(iview->level_0_extent.depth , range->baseMipLevel),
 573    };
 574
 575    if (image->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
 576       iview->sampler_surface_state = alloc_surface_state(device, cmd_buffer);
 577
 578       anv_fill_image_surface_state(device, iview->sampler_surface_state,
 579                                    iview, &mCreateInfo,
 580                                    VK_IMAGE_USAGE_SAMPLED_BIT);
 581    } else {
 582       iview->sampler_surface_state.alloc_size = 0;
 583    }
 584
 585    if (image->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 586       iview->color_rt_surface_state = alloc_surface_state(device, cmd_buffer);
 587
 588       anv_fill_image_surface_state(device, iview->color_rt_surface_state,
 589                                    iview, &mCreateInfo,
 590                                    VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
 591    } else {
 592       iview->color_rt_surface_state.alloc_size = 0;
 593    }
 594
 595    if (image->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
 596       iview->storage_surface_state = alloc_surface_state(device, cmd_buffer);
 597
 598       if (has_matching_storage_typed_format(device, iview->format))
 599          anv_fill_image_surface_state(device, iview->storage_surface_state,
 600                                       iview, &mCreateInfo,
 601                                       VK_IMAGE_USAGE_STORAGE_BIT);
 602       else
 603          anv_fill_buffer_surface_state(device, iview->storage_surface_state,
 604                                        ISL_FORMAT_RAW,
 605                                        iview->offset,
 606                                        iview->bo->size - iview->offset, 1);
 607
 608    } else {
 609       iview->storage_surface_state.alloc_size = 0;
 610    }
 611 }
 612
 613 VkResult
 614 anv_CreateImageView(VkDevice _device,
 615                     const VkImageViewCreateInfo *pCreateInfo,
 616                     const VkAllocationCallbacks *pAllocator,
 617                     VkImageView *pView)
 618 {
 619    ANV_FROM_HANDLE(anv_device, device, _device);
 620    struct anv_image_view *view;
 621
 622    view = anv_alloc2(&device->alloc, pAllocator, sizeof(*view), 8,
 623                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 624    if (view == NULL)
 625       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 626
 627    anv_image_view_init(view, device, pCreateInfo, NULL, 0);
 628
 629    *pView = anv_image_view_to_handle(view);
 630
 631    return VK_SUCCESS;
 632 }
 633
 634 void
 635 anv_DestroyImageView(VkDevice _device, VkImageView _iview,
 636                      const VkAllocationCallbacks *pAllocator)
 637 {
 638    ANV_FROM_HANDLE(anv_device, device, _device);
 639    ANV_FROM_HANDLE(anv_image_view, iview, _iview);
 640
 641    if (iview->color_rt_surface_state.alloc_size > 0) {
 642       anv_state_pool_free(&device->surface_state_pool,
 643                           iview->color_rt_surface_state);
 644    }
 645
 646    if (iview->sampler_surface_state.alloc_size > 0) {
 647       anv_state_pool_free(&device->surface_state_pool,
 648                           iview->sampler_surface_state);
 649    }
 650
 651    if (iview->storage_surface_state.alloc_size > 0) {
 652       anv_state_pool_free(&device->surface_state_pool,
 653                           iview->storage_surface_state);
 654    }
 655
 656    anv_free2(&device->alloc, pAllocator, iview);
 657 }
 658
 659 VkResult
 660 anv_CreateBufferView(VkDevice _device,
 661                      const VkBufferViewCreateInfo *pCreateInfo,
 662                      const VkAllocationCallbacks *pAllocator,
 663                      VkBufferView *pView)
 664 {
 665    ANV_FROM_HANDLE(anv_device, device, _device);
 666    ANV_FROM_HANDLE(anv_buffer, buffer, pCreateInfo->buffer);
 667    struct anv_buffer_view *view;
 668
 669    view = anv_alloc2(&device->alloc, pAllocator, sizeof(*view), 8,
 670                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 671    if (!view)
 672       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 673
 674    const struct anv_format *format =
 675       anv_format_for_vk_format(pCreateInfo->format);
 676
 677    view->format = format->isl_format;
 678    view->bo = buffer->bo;
 679    view->offset = buffer->offset + pCreateInfo->offset;
 680    view->range = pCreateInfo->range == VK_WHOLE_SIZE ?
 681                  buffer->size - view->offset : pCreateInfo->range;
 682
 683    if (buffer->usage & VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT) {
 684       view->surface_state =
 685          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 686
 687       anv_fill_buffer_surface_state(device, view->surface_state,
 688                                     view->format,
 689                                     view->offset, view->range,
 690                                     format->isl_layout->bs);
 691    } else {
 692       view->surface_state = (struct anv_state){ 0 };
 693    }
 694
 695    if (buffer->usage & VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT) {
 696       view->storage_surface_state =
 697          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 698
 699       enum isl_format storage_format =
 700          has_matching_storage_typed_format(device, view->format) ?
 701          isl_lower_storage_image_format(&device->isl_dev, view->format) :
 702          ISL_FORMAT_RAW;
 703
 704       anv_fill_buffer_surface_state(device, view->storage_surface_state,
 705                                     storage_format,
 706                                     view->offset, view->range,
 707                                     (storage_format == ISL_FORMAT_RAW ? 1 :
 708                                      format->isl_layout->bs));
 709
 710    } else {
 711       view->storage_surface_state = (struct anv_state){ 0 };
 712    }
 713
 714    *pView = anv_buffer_view_to_handle(view);
 715
 716    return VK_SUCCESS;
 717 }
 718
 719 void
 720 anv_DestroyBufferView(VkDevice _device, VkBufferView bufferView,
 721                       const VkAllocationCallbacks *pAllocator)
 722 {
 723    ANV_FROM_HANDLE(anv_device, device, _device);
 724    ANV_FROM_HANDLE(anv_buffer_view, view, bufferView);
 725
 726    if (view->surface_state.alloc_size > 0)
 727       anv_state_pool_free(&device->surface_state_pool,
 728                           view->surface_state);
 729
 730    if (view->storage_surface_state.alloc_size > 0)
 731       anv_state_pool_free(&device->surface_state_pool,
 732                           view->storage_surface_state);
 733
 734    anv_free2(&device->alloc, pAllocator, view);
 735 }
 736
 737 struct anv_surface *
 738 anv_image_get_surface_for_aspect_mask(struct anv_image *image, VkImageAspectFlags aspect_mask)
 739 {
 740    switch (aspect_mask) {
 741    case VK_IMAGE_ASPECT_COLOR_BIT:
 742       /* Dragons will eat you.
 743        *
 744        * Meta attaches all destination surfaces as color render targets. Guess
 745        * what surface the Meta Dragons really want.
 746        */
 747       if (image->format->has_depth && image->format->has_stencil) {
 748          return &image->depth_surface;
 749       } else if (image->format->has_depth) {
 750          return &image->depth_surface;
 751       } else if (image->format->has_stencil) {
 752          return &image->stencil_surface;
 753       } else {
 754          return &image->color_surface;
 755       }
 756       break;
 757    case VK_IMAGE_ASPECT_DEPTH_BIT:
 758       assert(image->format->has_depth);
 759       return &image->depth_surface;
 760    case VK_IMAGE_ASPECT_STENCIL_BIT:
 761       assert(image->format->has_stencil);
 762       return &image->stencil_surface;
 763    case VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT:
 764       if (image->format->has_depth && image->format->has_stencil) {
 765          /* FINISHME: The Vulkan spec (git a511ba2) requires support for
 766           * combined depth stencil formats. Specifically, it states:
 767           *
 768           *    At least one of ename:VK_FORMAT_D24_UNORM_S8_UINT or
 769           *    ename:VK_FORMAT_D32_SFLOAT_S8_UINT must be supported.
 770           *
 771           * Image views with both depth and stencil aspects are only valid for
 772           * render target attachments, in which case
 773           * cmd_buffer_emit_depth_stencil() will pick out both the depth and
 774           * stencil surfaces from the underlying surface.
 775           */
 776          return &image->depth_surface;
 777       } else if (image->format->has_depth) {
 778          return &image->depth_surface;
 779       } else if (image->format->has_stencil) {
 780          return &image->stencil_surface;
 781       }
 782       /* fallthrough */
 783     default:
 784        unreachable("image does not have aspect");
 785        return NULL;
 786    }
 787 }
 788
 789 static void
 790 image_param_defaults(struct brw_image_param *param)
 791 {
 792    memset(param, 0, sizeof *param);
 793    /* Set the swizzling shifts to all-ones to effectively disable swizzling --
 794     * See emit_address_calculation() in brw_fs_surface_builder.cpp for a more
 795     * detailed explanation of these parameters.
 796     */
 797    param->swizzling[0] = 0xff;
 798    param->swizzling[1] = 0xff;
 799 }
 800
 801 void
 802 anv_image_view_fill_image_param(struct anv_device *device,
 803                                 struct anv_image_view *view,
 804                                 struct brw_image_param *param)
 805 {
 806    image_param_defaults(param);
 807
 808    const struct isl_surf *surf = &view->image->color_surface.isl;
 809    const int cpp = isl_format_get_layout(surf->format)->bs;
 810    const struct isl_extent3d image_align_sa =
 811       isl_surf_get_image_alignment_sa(surf);
 812
 813    param->size[0] = view->extent.width;
 814    param->size[1] = view->extent.height;
 815    if (surf->dim == ISL_SURF_DIM_3D) {
 816       param->size[2] = view->extent.depth;
 817    } else {
 818       param->size[2] = surf->logical_level0_px.array_len - view->base_layer;
 819    }
 820
 821    isl_surf_get_image_offset_el(surf, view->base_mip, view->base_layer, 0,
 822                                 &param->offset[0],  &param->offset[1]);
 823
 824    param->stride[0] = cpp;
 825    param->stride[1] = surf->row_pitch / cpp;
 826
 827    if (device->info.gen < 9 && surf->dim == ISL_SURF_DIM_3D) {
 828       param->stride[2] = util_align_npot(param->size[0], image_align_sa.w);
 829       param->stride[3] = util_align_npot(param->size[1], image_align_sa.h);
 830    } else {
 831       param->stride[2] = 0;
 832       param->stride[3] = isl_surf_get_array_pitch_el_rows(surf);
 833    }
 834
 835    switch (surf->tiling) {
 836    case ISL_TILING_LINEAR:
 837       /* image_param_defaults is good enough */
 838       break;
 839
 840    case ISL_TILING_X:
 841       /* An X tile is a rectangular block of 512x8 bytes. */
 842       param->tiling[0] = util_logbase2(512 / cpp);
 843       param->tiling[1] = util_logbase2(8);
 844
 845       if (device->isl_dev.has_bit6_swizzling) {
 846          /* Right shifts required to swizzle bits 9 and 10 of the memory
 847           * address with bit 6.
 848           */
 849          param->swizzling[0] = 3;
 850          param->swizzling[1] = 4;
 851       }
 852       break;
 853
 854    case ISL_TILING_Y0:
 855       /* The layout of a Y-tiled surface in memory isn't really fundamentally
 856        * different to the layout of an X-tiled surface, we simply pretend that
 857        * the surface is broken up in a number of smaller 16Bx32 tiles, each
 858        * one arranged in X-major order just like is the case for X-tiling.
 859        */
 860       param->tiling[0] = util_logbase2(16 / cpp);
 861       param->tiling[1] = util_logbase2(32);
 862
 863       if (device->isl_dev.has_bit6_swizzling) {
 864          /* Right shift required to swizzle bit 9 of the memory address with
 865           * bit 6.
 866           */
 867          param->swizzling[0] = 3;
 868          param->swizzling[1] = 0xff;
 869       }
 870       break;
 871
 872    default:
 873       assert(!"Unhandled storage image tiling");
 874    }
 875
 876    /* 3D textures are arranged in 2D in memory with 2^lod slices per row.  The
 877     * address calculation algorithm (emit_address_calculation() in
 878     * brw_fs_surface_builder.cpp) handles this as a sort of tiling with
 879     * modulus equal to the LOD.
 880     */
 881    param->tiling[2] = (device->info.gen < 9 && surf->dim == ISL_SURF_DIM_3D ?
 882                        view->base_mip : 0);
 883 }
 884
 885 void
 886 anv_buffer_view_fill_image_param(struct anv_device *device,
 887                                  struct anv_buffer_view *view,
 888                                  struct brw_image_param *param)
 889 {
 890    image_param_defaults(param);
 891
 892    param->stride[0] = isl_format_layouts[view->format].bs;
 893    param->size[0] = view->range / param->stride[0];
 894 }