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