src/intel/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    VkExtent3D extent;
 128    switch (vk_info->imageType) {
 129    case VK_IMAGE_TYPE_1D:
 130       extent = (VkExtent3D) { vk_info->extent.width, 1, 1 };
 131       break;
 132    case VK_IMAGE_TYPE_2D:
 133       extent = (VkExtent3D) { vk_info->extent.width, vk_info->extent.height, 1 };
 134       break;
 135    case VK_IMAGE_TYPE_3D:
 136       extent = vk_info->extent;
 137       break;
 138    default:
 139       unreachable("invalid image type");
 140    }
 141
 142    image->extent = extent;
 143
 144    ok = isl_surf_init(&dev->isl_dev, &anv_surf->isl,
 145       .dim = vk_to_isl_surf_dim[vk_info->imageType],
 146       .format = anv_get_isl_format(vk_info->format, aspect,
 147                                    vk_info->tiling, NULL),
 148       .width = extent.width,
 149       .height = extent.height,
 150       .depth = extent.depth,
 151       .levels = vk_info->mipLevels,
 152       .array_len = vk_info->arrayLayers,
 153       .samples = vk_info->samples,
 154       .min_alignment = 0,
 155       .min_pitch = 0,
 156       .usage = choose_isl_surf_usage(image->usage, aspect),
 157       .tiling_flags = tiling_flags);
 158
 159    /* isl_surf_init() will fail only if provided invalid input. Invalid input
 160     * is illegal in Vulkan.
 161     */
 162    assert(ok);
 163
 164    anv_surf->offset = align_u32(image->size, anv_surf->isl.alignment);
 165    image->size = anv_surf->offset + anv_surf->isl.size;
 166    image->alignment = MAX(image->alignment, anv_surf->isl.alignment);
 167
 168    return VK_SUCCESS;
 169 }
 170
 171 /**
 172  * Parameter @a format is required and overrides VkImageCreateInfo::format.
 173  */
 174 static VkImageUsageFlags
 175 anv_image_get_full_usage(const VkImageCreateInfo *info,
 176                          const struct anv_format *format)
 177 {
 178    VkImageUsageFlags usage = info->usage;
 179
 180    if (info->samples > 1 &&
 181        (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)) {
 182       /* Meta will resolve the image by binding it as a texture. */
 183       usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
 184    }
 185
 186    if (usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
 187       /* Meta will transfer from the image by binding it as a texture. */
 188       usage |= VK_IMAGE_USAGE_SAMPLED_BIT;
 189    }
 190
 191    if (usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
 192       /* For non-clear transfer operations, meta will transfer to the image by
 193        * binding it as a color attachment, even if the image format is not
 194        * a color format.
 195        */
 196       usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 197
 198       if (anv_format_is_depth_or_stencil(format)) {
 199          /* vkCmdClearDepthStencilImage() only requires that
 200           * VK_IMAGE_USAGE_TRANSFER_SRC_BIT be set. In particular, it does
 201           * not require VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT. Meta
 202           * clears the image, though, by binding it as a depthstencil
 203           * attachment.
 204           */
 205          usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
 206       }
 207    }
 208
 209    return usage;
 210 }
 211
 212 VkResult
 213 anv_image_create(VkDevice _device,
 214                  const struct anv_image_create_info *create_info,
 215                  const VkAllocationCallbacks* alloc,
 216                  VkImage *pImage)
 217 {
 218    ANV_FROM_HANDLE(anv_device, device, _device);
 219    const VkImageCreateInfo *pCreateInfo = create_info->vk_info;
 220    struct anv_image *image = NULL;
 221    const struct anv_format *format = anv_format_for_vk_format(pCreateInfo->format);
 222    VkResult r;
 223
 224    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
 225
 226    anv_assert(pCreateInfo->mipLevels > 0);
 227    anv_assert(pCreateInfo->arrayLayers > 0);
 228    anv_assert(pCreateInfo->samples > 0);
 229    anv_assert(pCreateInfo->extent.width > 0);
 230    anv_assert(pCreateInfo->extent.height > 0);
 231    anv_assert(pCreateInfo->extent.depth > 0);
 232
 233    image = anv_alloc2(&device->alloc, alloc, sizeof(*image), 8,
 234                       VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 235    if (!image)
 236       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 237
 238    memset(image, 0, sizeof(*image));
 239    image->type = pCreateInfo->imageType;
 240    image->extent = pCreateInfo->extent;
 241    image->vk_format = pCreateInfo->format;
 242    image->format = format;
 243    image->levels = pCreateInfo->mipLevels;
 244    image->array_size = pCreateInfo->arrayLayers;
 245    image->samples = pCreateInfo->samples;
 246    image->usage = anv_image_get_full_usage(pCreateInfo, format);
 247    image->tiling = pCreateInfo->tiling;
 248
 249    if (likely(anv_format_is_color(format))) {
 250       r = make_surface(device, image, create_info,
 251                        VK_IMAGE_ASPECT_COLOR_BIT);
 252       if (r != VK_SUCCESS)
 253          goto fail;
 254    } else {
 255       if (image->format->has_depth) {
 256          r = make_surface(device, image, create_info,
 257                           VK_IMAGE_ASPECT_DEPTH_BIT);
 258          if (r != VK_SUCCESS)
 259             goto fail;
 260       }
 261
 262       if (image->format->has_stencil) {
 263          r = make_surface(device, image, create_info,
 264                           VK_IMAGE_ASPECT_STENCIL_BIT);
 265          if (r != VK_SUCCESS)
 266             goto fail;
 267       }
 268    }
 269
 270    *pImage = anv_image_to_handle(image);
 271
 272    return VK_SUCCESS;
 273
 274 fail:
 275    if (image)
 276       anv_free2(&device->alloc, alloc, image);
 277
 278    return r;
 279 }
 280
 281 VkResult
 282 anv_CreateImage(VkDevice device,
 283                 const VkImageCreateInfo *pCreateInfo,
 284                 const VkAllocationCallbacks *pAllocator,
 285                 VkImage *pImage)
 286 {
 287    return anv_image_create(device,
 288       &(struct anv_image_create_info) {
 289          .vk_info = pCreateInfo,
 290          .isl_tiling_flags = ISL_TILING_ANY_MASK,
 291       },
 292       pAllocator,
 293       pImage);
 294 }
 295
 296 void
 297 anv_DestroyImage(VkDevice _device, VkImage _image,
 298                  const VkAllocationCallbacks *pAllocator)
 299 {
 300    ANV_FROM_HANDLE(anv_device, device, _device);
 301
 302    anv_free2(&device->alloc, pAllocator, anv_image_from_handle(_image));
 303 }
 304
 305 static void
 306 anv_surface_get_subresource_layout(struct anv_image *image,
 307                                    struct anv_surface *surface,
 308                                    const VkImageSubresource *subresource,
 309                                    VkSubresourceLayout *layout)
 310 {
 311    /* If we are on a non-zero mip level or array slice, we need to
 312     * calculate a real offset.
 313     */
 314    anv_assert(subresource->mipLevel == 0);
 315    anv_assert(subresource->arrayLayer == 0);
 316
 317    layout->offset = surface->offset;
 318    layout->rowPitch = surface->isl.row_pitch;
 319    layout->depthPitch = isl_surf_get_array_pitch(&surface->isl);
 320    layout->arrayPitch = isl_surf_get_array_pitch(&surface->isl);
 321    layout->size = surface->isl.size;
 322 }
 323
 324 void anv_GetImageSubresourceLayout(
 325     VkDevice                                    device,
 326     VkImage                                     _image,
 327     const VkImageSubresource*                   pSubresource,
 328     VkSubresourceLayout*                        pLayout)
 329 {
 330    ANV_FROM_HANDLE(anv_image, image, _image);
 331
 332    assert(__builtin_popcount(pSubresource->aspectMask) == 1);
 333
 334    switch (pSubresource->aspectMask) {
 335    case VK_IMAGE_ASPECT_COLOR_BIT:
 336       anv_surface_get_subresource_layout(image, &image->color_surface,
 337                                          pSubresource, pLayout);
 338       break;
 339    case VK_IMAGE_ASPECT_DEPTH_BIT:
 340       anv_surface_get_subresource_layout(image, &image->depth_surface,
 341                                          pSubresource, pLayout);
 342       break;
 343    case VK_IMAGE_ASPECT_STENCIL_BIT:
 344       anv_surface_get_subresource_layout(image, &image->stencil_surface,
 345                                          pSubresource, pLayout);
 346       break;
 347    default:
 348       assert(!"Invalid image aspect");
 349    }
 350 }
 351
 352 VkResult
 353 anv_validate_CreateImageView(VkDevice _device,
 354                              const VkImageViewCreateInfo *pCreateInfo,
 355                              const VkAllocationCallbacks *pAllocator,
 356                              VkImageView *pView)
 357 {
 358    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 359    const VkImageSubresourceRange *subresource;
 360    const struct anv_format *view_format_info;
 361
 362    /* Validate structure type before dereferencing it. */
 363    assert(pCreateInfo);
 364    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO);
 365    subresource = &pCreateInfo->subresourceRange;
 366
 367    /* Validate viewType is in range before using it. */
 368    assert(pCreateInfo->viewType >= VK_IMAGE_VIEW_TYPE_BEGIN_RANGE);
 369    assert(pCreateInfo->viewType <= VK_IMAGE_VIEW_TYPE_END_RANGE);
 370
 371    /* Validate format is in range before using it. */
 372    assert(pCreateInfo->format >= VK_FORMAT_BEGIN_RANGE);
 373    assert(pCreateInfo->format <= VK_FORMAT_END_RANGE);
 374    view_format_info = anv_format_for_vk_format(pCreateInfo->format);
 375
 376    /* Validate channel swizzles. */
 377    assert(pCreateInfo->components.r >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 378    assert(pCreateInfo->components.r <= VK_COMPONENT_SWIZZLE_END_RANGE);
 379    assert(pCreateInfo->components.g >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 380    assert(pCreateInfo->components.g <= VK_COMPONENT_SWIZZLE_END_RANGE);
 381    assert(pCreateInfo->components.b >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 382    assert(pCreateInfo->components.b <= VK_COMPONENT_SWIZZLE_END_RANGE);
 383    assert(pCreateInfo->components.a >= VK_COMPONENT_SWIZZLE_BEGIN_RANGE);
 384    assert(pCreateInfo->components.a <= VK_COMPONENT_SWIZZLE_END_RANGE);
 385
 386    /* Validate subresource. */
 387    assert(subresource->aspectMask != 0);
 388    assert(subresource->levelCount > 0);
 389    assert(subresource->layerCount > 0);
 390    assert(subresource->baseMipLevel < image->levels);
 391    assert(subresource->baseMipLevel + subresource->levelCount <= image->levels);
 392    assert(subresource->baseArrayLayer < image->array_size);
 393    assert(subresource->baseArrayLayer + subresource->layerCount <= image->array_size);
 394    assert(pView);
 395
 396    const VkImageAspectFlags ds_flags = VK_IMAGE_ASPECT_DEPTH_BIT
 397                                      | VK_IMAGE_ASPECT_STENCIL_BIT;
 398
 399    /* Validate format. */
 400    if (subresource->aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) {
 401       assert(subresource->aspectMask == VK_IMAGE_ASPECT_COLOR_BIT);
 402       assert(!image->format->has_depth);
 403       assert(!image->format->has_stencil);
 404       assert(!view_format_info->has_depth);
 405       assert(!view_format_info->has_stencil);
 406       assert(view_format_info->isl_layout->bs ==
 407              image->format->isl_layout->bs);
 408    } else if (subresource->aspectMask & ds_flags) {
 409       assert((subresource->aspectMask & ~ds_flags) == 0);
 410
 411       if (subresource->aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
 412          assert(image->format->has_depth);
 413          assert(view_format_info->has_depth);
 414          assert(view_format_info->isl_layout->bs ==
 415                 image->format->isl_layout->bs);
 416       }
 417
 418       if (subresource->aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
 419          /* FINISHME: Is it legal to have an R8 view of S8? */
 420          assert(image->format->has_stencil);
 421          assert(view_format_info->has_stencil);
 422       }
 423    } else {
 424       assert(!"bad VkImageSubresourceRange::aspectFlags");
 425    }
 426
 427    return anv_CreateImageView(_device, pCreateInfo, pAllocator, pView);
 428 }
 429
 430 static struct anv_state
 431 alloc_surface_state(struct anv_device *device,
 432                     struct anv_cmd_buffer *cmd_buffer)
 433 {
 434       if (cmd_buffer) {
 435          return anv_cmd_buffer_alloc_surface_state(cmd_buffer);
 436       } else {
 437          return anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 438       }
 439 }
 440
 441 static bool
 442 has_matching_storage_typed_format(const struct anv_device *device,
 443                                   enum isl_format format)
 444 {
 445    return (isl_format_get_layout(format)->bs <= 4 ||
 446            (isl_format_get_layout(format)->bs <= 8 &&
 447             (device->info.gen >= 8 || device->info.is_haswell)) ||
 448            device->info.gen >= 9);
 449 }
 450
 451 static enum isl_channel_select
 452 remap_swizzle(VkComponentSwizzle swizzle, VkComponentSwizzle component,
 453               struct anv_format_swizzle format_swizzle)
 454 {
 455    if (swizzle == VK_COMPONENT_SWIZZLE_IDENTITY)
 456       swizzle = component;
 457
 458    switch (swizzle) {
 459    case VK_COMPONENT_SWIZZLE_ZERO:
 460       return ISL_CHANNEL_SELECT_ZERO;
 461    case VK_COMPONENT_SWIZZLE_ONE:
 462       return ISL_CHANNEL_SELECT_ONE;
 463    case VK_COMPONENT_SWIZZLE_R:
 464       return ISL_CHANNEL_SELECT_RED + format_swizzle.r;
 465    case VK_COMPONENT_SWIZZLE_G:
 466       return ISL_CHANNEL_SELECT_RED + format_swizzle.g;
 467    case VK_COMPONENT_SWIZZLE_B:
 468       return ISL_CHANNEL_SELECT_RED + format_swizzle.b;
 469    case VK_COMPONENT_SWIZZLE_A:
 470       return ISL_CHANNEL_SELECT_RED + format_swizzle.a;
 471    default:
 472       unreachable("Invalid swizzle");
 473    }
 474 }
 475
 476 void
 477 anv_image_view_init(struct anv_image_view *iview,
 478                     struct anv_device *device,
 479                     const VkImageViewCreateInfo* pCreateInfo,
 480                     struct anv_cmd_buffer *cmd_buffer,
 481                     uint32_t offset)
 482 {
 483    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 484    const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
 485
 486    assert(range->layerCount > 0);
 487    assert(range->baseMipLevel < image->levels);
 488    assert(image->usage & (VK_IMAGE_USAGE_SAMPLED_BIT |
 489                           VK_IMAGE_USAGE_STORAGE_BIT |
 490                           VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
 491                           VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT));
 492
 493    switch (image->type) {
 494    default:
 495       unreachable("bad VkImageType");
 496    case VK_IMAGE_TYPE_1D:
 497    case VK_IMAGE_TYPE_2D:
 498       assert(range->baseArrayLayer + range->layerCount - 1 <= image->array_size);
 499       break;
 500    case VK_IMAGE_TYPE_3D:
 501       assert(range->baseArrayLayer + range->layerCount - 1
 502              <= anv_minify(image->extent.depth, range->baseMipLevel));
 503       break;
 504    }
 505
 506    struct anv_surface *surface =
 507       anv_image_get_surface_for_aspect_mask(image, range->aspectMask);
 508
 509    iview->image = image;
 510    iview->bo = image->bo;
 511    iview->offset = image->offset + surface->offset + offset;
 512
 513    iview->aspect_mask = pCreateInfo->subresourceRange.aspectMask;
 514    iview->vk_format = pCreateInfo->format;
 515
 516    struct anv_format_swizzle swizzle;
 517    iview->format = anv_get_isl_format(pCreateInfo->format, iview->aspect_mask,
 518                                       image->tiling, &swizzle);
 519
 520    iview->base_layer = range->baseArrayLayer;
 521    iview->base_mip = range->baseMipLevel;
 522
 523    struct isl_view isl_view = {
 524       .format = iview->format,
 525       .base_level = range->baseMipLevel,
 526       .levels = range->levelCount,
 527       .base_array_layer = range->baseArrayLayer,
 528       .array_len = range->layerCount,
 529       .channel_select = {
 530          remap_swizzle(pCreateInfo->components.r,
 531                        VK_COMPONENT_SWIZZLE_R, swizzle),
 532          remap_swizzle(pCreateInfo->components.g,
 533                        VK_COMPONENT_SWIZZLE_G, swizzle),
 534          remap_swizzle(pCreateInfo->components.b,
 535                        VK_COMPONENT_SWIZZLE_B, swizzle),
 536          remap_swizzle(pCreateInfo->components.a,
 537                        VK_COMPONENT_SWIZZLE_A, swizzle),
 538       },
 539    };
 540
 541    struct isl_extent4d level0_extent_px;
 542
 543    if (!isl_format_is_compressed(iview->format) &&
 544        isl_format_is_compressed(image->format->isl_format)) {
 545       /* Scale the ImageView extent by the backing Image. This is used
 546        * internally when an uncompressed ImageView is created on a
 547        * compressed Image. The ImageView can therefore be used for copying
 548        * data from a source Image to a destination Image.
 549        */
 550       const struct isl_format_layout * isl_layout = image->format->isl_layout;
 551
 552       level0_extent_px.depth  = anv_minify(image->extent.depth, range->baseMipLevel);
 553       level0_extent_px.depth  = DIV_ROUND_UP(level0_extent_px.depth, isl_layout->bd);
 554
 555       level0_extent_px.height = isl_surf_get_array_pitch_el_rows(&surface->isl) * image->array_size;
 556       level0_extent_px.width  = isl_surf_get_row_pitch_el(&surface->isl);
 557       isl_view.base_level = 0;
 558       isl_view.base_array_layer = 0;
 559    } else {
 560       level0_extent_px.width  = image->extent.width;
 561       level0_extent_px.height = image->extent.height;
 562       level0_extent_px.depth  = image->extent.depth;
 563    }
 564
 565    iview->extent = (VkExtent3D) {
 566       .width  = anv_minify(image->extent.width , range->baseMipLevel),
 567       .height = anv_minify(image->extent.height, range->baseMipLevel),
 568       .depth  = anv_minify(image->extent.depth , range->baseMipLevel),
 569    };
 570
 571    isl_surf_usage_flags_t cube_usage;
 572    if (pCreateInfo->viewType == VK_IMAGE_VIEW_TYPE_CUBE ||
 573        pCreateInfo->viewType == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY) {
 574       cube_usage = ISL_SURF_USAGE_CUBE_BIT;
 575    } else {
 576       cube_usage = 0;
 577    }
 578
 579    if (image->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
 580       iview->sampler_surface_state = alloc_surface_state(device, cmd_buffer);
 581
 582       isl_view.usage = cube_usage | ISL_SURF_USAGE_TEXTURE_BIT;
 583       isl_surf_fill_state(&device->isl_dev,
 584                           iview->sampler_surface_state.map,
 585                           .surf = &surface->isl,
 586                           .view = &isl_view,
 587                           .mocs = device->default_mocs,
 588                           .level0_extent_px = level0_extent_px);
 589
 590       if (!device->info.has_llc)
 591          anv_state_clflush(iview->sampler_surface_state);
 592    } else {
 593       iview->sampler_surface_state.alloc_size = 0;
 594    }
 595
 596    if (image->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 597       iview->color_rt_surface_state = alloc_surface_state(device, cmd_buffer);
 598
 599       isl_view.usage = cube_usage | ISL_SURF_USAGE_RENDER_TARGET_BIT;
 600       isl_surf_fill_state(&device->isl_dev,
 601                           iview->color_rt_surface_state.map,
 602                           .surf = &surface->isl,
 603                           .view = &isl_view,
 604                           .mocs = device->default_mocs,
 605                           .level0_extent_px = level0_extent_px);
 606
 607       if (!device->info.has_llc)
 608          anv_state_clflush(iview->color_rt_surface_state);
 609    } else {
 610       iview->color_rt_surface_state.alloc_size = 0;
 611    }
 612
 613    if (image->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
 614       iview->storage_surface_state = alloc_surface_state(device, cmd_buffer);
 615
 616       if (has_matching_storage_typed_format(device, iview->format)) {
 617          isl_view.usage = cube_usage | ISL_SURF_USAGE_STORAGE_BIT;
 618          isl_surf_fill_state(&device->isl_dev,
 619                              iview->storage_surface_state.map,
 620                              .surf = &surface->isl,
 621                              .view = &isl_view,
 622                              .mocs = device->default_mocs,
 623                              .level0_extent_px = level0_extent_px);
 624       } else {
 625          anv_fill_buffer_surface_state(device, iview->storage_surface_state,
 626                                        ISL_FORMAT_RAW,
 627                                        iview->offset,
 628                                        iview->bo->size - iview->offset, 1);
 629       }
 630
 631       if (!device->info.has_llc)
 632          anv_state_clflush(iview->storage_surface_state);
 633    } else {
 634       iview->storage_surface_state.alloc_size = 0;
 635    }
 636 }
 637
 638 VkResult
 639 anv_CreateImageView(VkDevice _device,
 640                     const VkImageViewCreateInfo *pCreateInfo,
 641                     const VkAllocationCallbacks *pAllocator,
 642                     VkImageView *pView)
 643 {
 644    ANV_FROM_HANDLE(anv_device, device, _device);
 645    struct anv_image_view *view;
 646
 647    view = anv_alloc2(&device->alloc, pAllocator, sizeof(*view), 8,
 648                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 649    if (view == NULL)
 650       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 651
 652    anv_image_view_init(view, device, pCreateInfo, NULL, 0);
 653
 654    *pView = anv_image_view_to_handle(view);
 655
 656    return VK_SUCCESS;
 657 }
 658
 659 void
 660 anv_DestroyImageView(VkDevice _device, VkImageView _iview,
 661                      const VkAllocationCallbacks *pAllocator)
 662 {
 663    ANV_FROM_HANDLE(anv_device, device, _device);
 664    ANV_FROM_HANDLE(anv_image_view, iview, _iview);
 665
 666    if (iview->color_rt_surface_state.alloc_size > 0) {
 667       anv_state_pool_free(&device->surface_state_pool,
 668                           iview->color_rt_surface_state);
 669    }
 670
 671    if (iview->sampler_surface_state.alloc_size > 0) {
 672       anv_state_pool_free(&device->surface_state_pool,
 673                           iview->sampler_surface_state);
 674    }
 675
 676    if (iview->storage_surface_state.alloc_size > 0) {
 677       anv_state_pool_free(&device->surface_state_pool,
 678                           iview->storage_surface_state);
 679    }
 680
 681    anv_free2(&device->alloc, pAllocator, iview);
 682 }
 683
 684 VkResult
 685 anv_CreateBufferView(VkDevice _device,
 686                      const VkBufferViewCreateInfo *pCreateInfo,
 687                      const VkAllocationCallbacks *pAllocator,
 688                      VkBufferView *pView)
 689 {
 690    ANV_FROM_HANDLE(anv_device, device, _device);
 691    ANV_FROM_HANDLE(anv_buffer, buffer, pCreateInfo->buffer);
 692    struct anv_buffer_view *view;
 693
 694    view = anv_alloc2(&device->alloc, pAllocator, sizeof(*view), 8,
 695                      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 696    if (!view)
 697       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 698
 699    const struct anv_format *format =
 700       anv_format_for_vk_format(pCreateInfo->format);
 701
 702    view->format = format->isl_format;
 703    view->bo = buffer->bo;
 704    view->offset = buffer->offset + pCreateInfo->offset;
 705    view->range = pCreateInfo->range == VK_WHOLE_SIZE ?
 706                  buffer->size - view->offset : pCreateInfo->range;
 707
 708    if (buffer->usage & VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT) {
 709       view->surface_state =
 710          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 711
 712       anv_fill_buffer_surface_state(device, view->surface_state,
 713                                     view->format,
 714                                     view->offset, view->range,
 715                                     format->isl_layout->bs);
 716    } else {
 717       view->surface_state = (struct anv_state){ 0 };
 718    }
 719
 720    if (buffer->usage & VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT) {
 721       view->storage_surface_state =
 722          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 723
 724       enum isl_format storage_format =
 725          has_matching_storage_typed_format(device, view->format) ?
 726          isl_lower_storage_image_format(&device->isl_dev, view->format) :
 727          ISL_FORMAT_RAW;
 728
 729       anv_fill_buffer_surface_state(device, view->storage_surface_state,
 730                                     storage_format,
 731                                     view->offset, view->range,
 732                                     (storage_format == ISL_FORMAT_RAW ? 1 :
 733                                      format->isl_layout->bs));
 734
 735    } else {
 736       view->storage_surface_state = (struct anv_state){ 0 };
 737    }
 738
 739    *pView = anv_buffer_view_to_handle(view);
 740
 741    return VK_SUCCESS;
 742 }
 743
 744 void
 745 anv_DestroyBufferView(VkDevice _device, VkBufferView bufferView,
 746                       const VkAllocationCallbacks *pAllocator)
 747 {
 748    ANV_FROM_HANDLE(anv_device, device, _device);
 749    ANV_FROM_HANDLE(anv_buffer_view, view, bufferView);
 750
 751    if (view->surface_state.alloc_size > 0)
 752       anv_state_pool_free(&device->surface_state_pool,
 753                           view->surface_state);
 754
 755    if (view->storage_surface_state.alloc_size > 0)
 756       anv_state_pool_free(&device->surface_state_pool,
 757                           view->storage_surface_state);
 758
 759    anv_free2(&device->alloc, pAllocator, view);
 760 }
 761
 762 struct anv_surface *
 763 anv_image_get_surface_for_aspect_mask(struct anv_image *image, VkImageAspectFlags aspect_mask)
 764 {
 765    switch (aspect_mask) {
 766    case VK_IMAGE_ASPECT_COLOR_BIT:
 767       /* Dragons will eat you.
 768        *
 769        * Meta attaches all destination surfaces as color render targets. Guess
 770        * what surface the Meta Dragons really want.
 771        */
 772       if (image->format->has_depth && image->format->has_stencil) {
 773          return &image->depth_surface;
 774       } else if (image->format->has_depth) {
 775          return &image->depth_surface;
 776       } else if (image->format->has_stencil) {
 777          return &image->stencil_surface;
 778       } else {
 779          return &image->color_surface;
 780       }
 781       break;
 782    case VK_IMAGE_ASPECT_DEPTH_BIT:
 783       assert(image->format->has_depth);
 784       return &image->depth_surface;
 785    case VK_IMAGE_ASPECT_STENCIL_BIT:
 786       assert(image->format->has_stencil);
 787       return &image->stencil_surface;
 788    case VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT:
 789       if (image->format->has_depth && image->format->has_stencil) {
 790          /* FINISHME: The Vulkan spec (git a511ba2) requires support for
 791           * combined depth stencil formats. Specifically, it states:
 792           *
 793           *    At least one of ename:VK_FORMAT_D24_UNORM_S8_UINT or
 794           *    ename:VK_FORMAT_D32_SFLOAT_S8_UINT must be supported.
 795           *
 796           * Image views with both depth and stencil aspects are only valid for
 797           * render target attachments, in which case
 798           * cmd_buffer_emit_depth_stencil() will pick out both the depth and
 799           * stencil surfaces from the underlying surface.
 800           */
 801          return &image->depth_surface;
 802       } else if (image->format->has_depth) {
 803          return &image->depth_surface;
 804       } else if (image->format->has_stencil) {
 805          return &image->stencil_surface;
 806       }
 807       /* fallthrough */
 808     default:
 809        unreachable("image does not have aspect");
 810        return NULL;
 811    }
 812 }
 813
 814 static void
 815 image_param_defaults(struct brw_image_param *param)
 816 {
 817    memset(param, 0, sizeof *param);
 818    /* Set the swizzling shifts to all-ones to effectively disable swizzling --
 819     * See emit_address_calculation() in brw_fs_surface_builder.cpp for a more
 820     * detailed explanation of these parameters.
 821     */
 822    param->swizzling[0] = 0xff;
 823    param->swizzling[1] = 0xff;
 824 }
 825
 826 void
 827 anv_image_view_fill_image_param(struct anv_device *device,
 828                                 struct anv_image_view *view,
 829                                 struct brw_image_param *param)
 830 {
 831    image_param_defaults(param);
 832
 833    const struct isl_surf *surf = &view->image->color_surface.isl;
 834    const int cpp = isl_format_get_layout(surf->format)->bs;
 835    const struct isl_extent3d image_align_sa =
 836       isl_surf_get_image_alignment_sa(surf);
 837
 838    param->size[0] = view->extent.width;
 839    param->size[1] = view->extent.height;
 840    if (surf->dim == ISL_SURF_DIM_3D) {
 841       param->size[2] = view->extent.depth;
 842    } else {
 843       param->size[2] = surf->logical_level0_px.array_len - view->base_layer;
 844    }
 845
 846    isl_surf_get_image_offset_el(surf, view->base_mip, view->base_layer, 0,
 847                                 &param->offset[0],  &param->offset[1]);
 848
 849    param->stride[0] = cpp;
 850    param->stride[1] = surf->row_pitch / cpp;
 851
 852    if (device->info.gen < 9 && surf->dim == ISL_SURF_DIM_3D) {
 853       param->stride[2] = util_align_npot(param->size[0], image_align_sa.w);
 854       param->stride[3] = util_align_npot(param->size[1], image_align_sa.h);
 855    } else {
 856       param->stride[2] = 0;
 857       param->stride[3] = isl_surf_get_array_pitch_el_rows(surf);
 858    }
 859
 860    switch (surf->tiling) {
 861    case ISL_TILING_LINEAR:
 862       /* image_param_defaults is good enough */
 863       break;
 864
 865    case ISL_TILING_X:
 866       /* An X tile is a rectangular block of 512x8 bytes. */
 867       param->tiling[0] = util_logbase2(512 / cpp);
 868       param->tiling[1] = util_logbase2(8);
 869
 870       if (device->isl_dev.has_bit6_swizzling) {
 871          /* Right shifts required to swizzle bits 9 and 10 of the memory
 872           * address with bit 6.
 873           */
 874          param->swizzling[0] = 3;
 875          param->swizzling[1] = 4;
 876       }
 877       break;
 878
 879    case ISL_TILING_Y0:
 880       /* The layout of a Y-tiled surface in memory isn't really fundamentally
 881        * different to the layout of an X-tiled surface, we simply pretend that
 882        * the surface is broken up in a number of smaller 16Bx32 tiles, each
 883        * one arranged in X-major order just like is the case for X-tiling.
 884        */
 885       param->tiling[0] = util_logbase2(16 / cpp);
 886       param->tiling[1] = util_logbase2(32);
 887
 888       if (device->isl_dev.has_bit6_swizzling) {
 889          /* Right shift required to swizzle bit 9 of the memory address with
 890           * bit 6.
 891           */
 892          param->swizzling[0] = 3;
 893          param->swizzling[1] = 0xff;
 894       }
 895       break;
 896
 897    default:
 898       assert(!"Unhandled storage image tiling");
 899    }
 900
 901    /* 3D textures are arranged in 2D in memory with 2^lod slices per row.  The
 902     * address calculation algorithm (emit_address_calculation() in
 903     * brw_fs_surface_builder.cpp) handles this as a sort of tiling with
 904     * modulus equal to the LOD.
 905     */
 906    param->tiling[2] = (device->info.gen < 9 && surf->dim == ISL_SURF_DIM_3D ?
 907                        view->base_mip : 0);
 908 }
 909
 910 void
 911 anv_buffer_view_fill_image_param(struct anv_device *device,
 912                                  struct anv_buffer_view *view,
 913                                  struct brw_image_param *param)
 914 {
 915    image_param_defaults(param);
 916
 917    param->stride[0] = isl_format_layouts[view->format].bs;
 918    param->size[0] = view->range / param->stride[0];
 919 }