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 struct anv_image_view_info {
  33    uint8_t surface_type; /**< RENDER_SURFACE_STATE.SurfaceType */
  34    bool is_array:1; /**< RENDER_SURFACE_STATE.SurfaceArray */
  35    bool is_cube:1; /**< RENDER_SURFACE_STATE.CubeFaceEnable* */
  36 };
  37
  38 static const uint8_t anv_halign[] = {
  39     [4] = HALIGN4,
  40     [8] = HALIGN8,
  41     [16] = HALIGN16,
  42 };
  43
  44 static const uint8_t anv_valign[] = {
  45     [4] = VALIGN4,
  46     [8] = VALIGN8,
  47     [16] = VALIGN16,
  48 };
  49
  50 static const uint8_t anv_surf_type_from_image_type[] = {
  51    [VK_IMAGE_TYPE_1D] = SURFTYPE_1D,
  52    [VK_IMAGE_TYPE_2D] = SURFTYPE_2D,
  53    [VK_IMAGE_TYPE_3D] = SURFTYPE_3D,
  54
  55 };
  56
  57 static const struct anv_image_view_info
  58 anv_image_view_info_table[] = {
  59    #define INFO(s, ...) { .surface_type = s, __VA_ARGS__ }
  60    [VK_IMAGE_VIEW_TYPE_1D]          = INFO(SURFTYPE_1D),
  61    [VK_IMAGE_VIEW_TYPE_2D]          = INFO(SURFTYPE_2D),
  62    [VK_IMAGE_VIEW_TYPE_3D]          = INFO(SURFTYPE_3D),
  63    [VK_IMAGE_VIEW_TYPE_CUBE]        = INFO(SURFTYPE_CUBE,                  .is_cube = 1),
  64    [VK_IMAGE_VIEW_TYPE_1D_ARRAY]    = INFO(SURFTYPE_1D,     .is_array = 1),
  65    [VK_IMAGE_VIEW_TYPE_2D_ARRAY]    = INFO(SURFTYPE_2D,     .is_array = 1),
  66    [VK_IMAGE_VIEW_TYPE_CUBE_ARRAY]  = INFO(SURFTYPE_CUBE,   .is_array = 1, .is_cube = 1),
  67    #undef INFO
  68 };
  69
  70 static const struct anv_surf_type_limits {
  71    int32_t width;
  72    int32_t height;
  73    int32_t depth;
  74 } anv_surf_type_limits[] = {
  75    [SURFTYPE_1D]     = {16384,       0,   2048},
  76    [SURFTYPE_2D]     = {16384,   16384,   2048},
  77    [SURFTYPE_3D]     = {2048,     2048,   2048},
  78    [SURFTYPE_CUBE]   = {16384,   16384,    340},
  79    [SURFTYPE_BUFFER] = {128,     16384,     64},
  80    [SURFTYPE_STRBUF] = {128,     16384,     64},
  81 };
  82
  83 static const struct anv_tile_info {
  84    uint32_t width;
  85    uint32_t height;
  86
  87    /**
  88     * Alignment for RENDER_SURFACE_STATE.SurfaceBaseAddress.
  89     *
  90     * To simplify calculations, the alignments defined in the table are
  91     * sometimes larger than required.  For example, Skylake requires that X and
  92     * Y tiled buffers be aligned to 4K, but Broadwell permits smaller
  93     * alignment. We choose 4K to accomodate both chipsets.  The alignment of
  94     * a linear buffer depends on its element type and usage. Linear depth
  95     * buffers have the largest alignment, 64B, so we choose that for all linear
  96     * buffers.
  97     */
  98    uint32_t surface_alignment;
  99 } anv_tile_info_table[] = {
 100    [LINEAR] = {   1,  1,   64 },
 101    [XMAJOR] = { 512,  8, 4096 },
 102    [YMAJOR] = { 128, 32, 4096 },
 103    [WMAJOR] = { 128, 32, 4096 },
 104 };
 105
 106 static uint32_t
 107 anv_image_choose_tile_mode(const struct anv_image_create_info *anv_info)
 108 {
 109    if (anv_info->force_tile_mode)
 110       return anv_info->tile_mode;
 111
 112    if (anv_info->vk_info->format == VK_FORMAT_S8_UINT)
 113       return WMAJOR;
 114
 115    switch (anv_info->vk_info->tiling) {
 116    case VK_IMAGE_TILING_LINEAR:
 117       return LINEAR;
 118    case VK_IMAGE_TILING_OPTIMAL:
 119       return YMAJOR;
 120    default:
 121       assert(!"bad VKImageTiling");
 122       return LINEAR;
 123    }
 124 }
 125
 126 static VkResult
 127 anv_image_make_surface(const struct anv_image_create_info *create_info,
 128                        uint64_t *inout_image_size,
 129                        uint32_t *inout_image_alignment,
 130                        struct anv_surface *out_surface)
 131 {
 132    /* See RENDER_SURFACE_STATE.SurfaceQPitch */
 133    static const uint16_t min_qpitch UNUSED = 0x4;
 134    static const uint16_t max_qpitch UNUSED = 0x1ffc;
 135
 136    const VkExtent3D *restrict extent = &create_info->vk_info->extent;
 137    const uint32_t levels = create_info->vk_info->mipLevels;
 138    const uint32_t array_size = create_info->vk_info->arraySize;
 139
 140    const uint8_t tile_mode = anv_image_choose_tile_mode(create_info);
 141
 142    const struct anv_tile_info *tile_info =
 143        &anv_tile_info_table[tile_mode];
 144
 145    const struct anv_format *format_info =
 146       anv_format_for_vk_format(create_info->vk_info->format);
 147
 148    const uint32_t i = 4; /* FINISHME: Stop hardcoding subimage alignment */
 149    const uint32_t j = 4; /* FINISHME: Stop hardcoding subimage alignment */
 150    const uint32_t w0 = align_u32(extent->width, i);
 151    const uint32_t h0 = align_u32(extent->height, j);
 152
 153    uint16_t qpitch;
 154    uint32_t mt_width;
 155    uint32_t mt_height;
 156
 157    if (levels == 1 && array_size == 1) {
 158       qpitch = min_qpitch;
 159       mt_width = w0;
 160       mt_height = h0;
 161    } else {
 162       uint32_t w1 = align_u32(anv_minify(extent->width, 1), i);
 163       uint32_t h1 = align_u32(anv_minify(extent->height, 1), j);
 164       uint32_t w2 = align_u32(anv_minify(extent->width, 2), i);
 165
 166       qpitch = h0 + h1 + 11 * j;
 167       mt_width = MAX(w0, w1 + w2);
 168       mt_height = array_size * qpitch;
 169    }
 170
 171    assert(qpitch >= min_qpitch);
 172    if (qpitch > max_qpitch) {
 173       anv_loge("image qpitch > 0x%x\n", max_qpitch);
 174       return vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 175    }
 176
 177    /* From the Broadwell PRM, RENDER_SURFACE_STATE.SurfaceQpitch:
 178     *
 179     *   This field must be set an integer multiple of the Surface Vertical
 180     *   Alignment.
 181     */
 182    assert(anv_is_aligned(qpitch, j));
 183
 184    uint32_t stride = align_u32(mt_width * format_info->cpp, tile_info->width);
 185    if (create_info->stride > 0)
 186       stride = create_info->stride;
 187
 188    const uint32_t size = stride * align_u32(mt_height, tile_info->height);
 189    const uint32_t offset = align_u32(*inout_image_size,
 190                                      tile_info->surface_alignment);
 191
 192    *inout_image_size = offset + size;
 193    *inout_image_alignment = MAX(*inout_image_alignment,
 194                                 tile_info->surface_alignment);
 195
 196    *out_surface = (struct anv_surface) {
 197       .offset = offset,
 198       .stride = stride,
 199       .tile_mode = tile_mode,
 200       .qpitch = qpitch,
 201       .h_align = i,
 202       .v_align = j,
 203    };
 204
 205    return VK_SUCCESS;
 206 }
 207
 208 VkResult
 209 anv_image_create(VkDevice _device,
 210                  const struct anv_image_create_info *create_info,
 211                  VkImage *pImage)
 212 {
 213    ANV_FROM_HANDLE(anv_device, device, _device);
 214    const VkImageCreateInfo *pCreateInfo = create_info->vk_info;
 215    const VkExtent3D *restrict extent = &pCreateInfo->extent;
 216    struct anv_image *image = NULL;
 217    VkResult r;
 218
 219    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
 220
 221    /* XXX: We don't handle any of these */
 222    anv_assert(pCreateInfo->imageType == VK_IMAGE_TYPE_2D);
 223    anv_assert(pCreateInfo->mipLevels > 0);
 224    anv_assert(pCreateInfo->arraySize > 0);
 225    anv_assert(pCreateInfo->samples == 1);
 226    anv_assert(pCreateInfo->extent.width > 0);
 227    anv_assert(pCreateInfo->extent.height > 0);
 228    anv_assert(pCreateInfo->extent.depth > 0);
 229
 230    /* TODO(chadv): How should we validate inputs? */
 231    const uint8_t surf_type =
 232       anv_surf_type_from_image_type[pCreateInfo->imageType];
 233
 234    const struct anv_surf_type_limits *limits =
 235       &anv_surf_type_limits[surf_type];
 236
 237    if (extent->width > limits->width ||
 238        extent->height > limits->height ||
 239        extent->depth > limits->depth) {
 240       /* TODO(chadv): What is the correct error? */
 241       anv_loge("image extent is too large");
 242       return vk_error(VK_ERROR_INVALID_MEMORY_SIZE);
 243    }
 244
 245    image = anv_device_alloc(device, sizeof(*image), 8,
 246                             VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 247    if (!image)
 248       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 249
 250    memset(image, 0, sizeof(*image));
 251    image->type = pCreateInfo->imageType;
 252    image->extent = pCreateInfo->extent;
 253    image->format = anv_format_for_vk_format(pCreateInfo->format);
 254    image->levels = pCreateInfo->mipLevels;
 255    image->array_size = pCreateInfo->arraySize;
 256    image->surf_type = surf_type;
 257
 258    if (likely(!image->format->has_stencil || image->format->depth_format)) {
 259       /* The image's primary surface is a color or depth surface. */
 260       r = anv_image_make_surface(create_info, &image->size, &image->alignment,
 261                                  &image->primary_surface);
 262       if (r != VK_SUCCESS)
 263          goto fail;
 264    }
 265
 266    if (image->format->has_stencil) {
 267       /* From the GPU's perspective, the depth buffer and stencil buffer are
 268        * separate buffers.  From Vulkan's perspective, though, depth and
 269        * stencil reside in the same image.  To satisfy Vulkan and the GPU, we
 270        * place the depth and stencil buffers in the same bo.
 271        */
 272       VkImageCreateInfo stencil_info = *pCreateInfo;
 273       stencil_info.format = VK_FORMAT_S8_UINT;
 274
 275       r = anv_image_make_surface(
 276             &(struct anv_image_create_info) {
 277                .vk_info = &stencil_info,
 278             },
 279             &image->size, &image->alignment, &image->stencil_surface);
 280
 281       if (r != VK_SUCCESS)
 282          goto fail;
 283    }
 284
 285    *pImage = anv_image_to_handle(image);
 286
 287    return VK_SUCCESS;
 288
 289 fail:
 290    if (image)
 291       anv_device_free(device, image);
 292
 293    return r;
 294 }
 295
 296 VkResult
 297 anv_CreateImage(VkDevice device,
 298                 const VkImageCreateInfo *pCreateInfo,
 299                 VkImage *pImage)
 300 {
 301    return anv_image_create(device,
 302       &(struct anv_image_create_info) {
 303          .vk_info = pCreateInfo,
 304       },
 305       pImage);
 306 }
 307
 308 VkResult
 309 anv_DestroyImage(VkDevice _device, VkImage _image)
 310 {
 311    ANV_FROM_HANDLE(anv_device, device, _device);
 312
 313    anv_device_free(device, anv_image_from_handle(_image));
 314
 315    return VK_SUCCESS;
 316 }
 317
 318 VkResult anv_GetImageSubresourceLayout(
 319     VkDevice                                    device,
 320     VkImage                                     image,
 321     const VkImageSubresource*                   pSubresource,
 322     VkSubresourceLayout*                        pLayout)
 323 {
 324    stub_return(VK_UNSUPPORTED);
 325 }
 326
 327 void
 328 anv_surface_view_fini(struct anv_device *device,
 329                       struct anv_surface_view *view)
 330 {
 331    anv_state_pool_free(&device->surface_state_pool, view->surface_state);
 332 }
 333
 334 void
 335 anv_image_view_init(struct anv_image_view *iview,
 336                     struct anv_device *device,
 337                     const VkImageViewCreateInfo* pCreateInfo,
 338                     struct anv_cmd_buffer *cmd_buffer)
 339 {
 340    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 341
 342    const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
 343    struct anv_surface_view *view = &iview->view;
 344    struct anv_surface *surface;
 345
 346    const struct anv_format *format_info =
 347       anv_format_for_vk_format(pCreateInfo->format);
 348
 349    const struct anv_image_view_info *view_type_info
 350       = &anv_image_view_info_table[pCreateInfo->viewType];
 351
 352    if (pCreateInfo->viewType != VK_IMAGE_VIEW_TYPE_2D)
 353       anv_finishme("non-2D image views");
 354
 355    switch (pCreateInfo->subresourceRange.aspect) {
 356    case VK_IMAGE_ASPECT_STENCIL:
 357       anv_finishme("stencil image views");
 358       abort();
 359       break;
 360    case VK_IMAGE_ASPECT_DEPTH:
 361    case VK_IMAGE_ASPECT_COLOR:
 362       view->offset = image->offset;
 363       surface = &image->primary_surface;
 364       break;
 365    default:
 366       unreachable("");
 367       break;
 368    }
 369
 370    view->bo = image->bo;
 371    view->offset = image->offset + surface->offset;
 372    view->format = pCreateInfo->format;
 373
 374    iview->extent = (VkExtent3D) {
 375       .width = anv_minify(image->extent.width, range->baseMipLevel),
 376       .height = anv_minify(image->extent.height, range->baseMipLevel),
 377       .depth = anv_minify(image->extent.depth, range->baseMipLevel),
 378    };
 379
 380    uint32_t depth = 1;
 381    if (range->arraySize > 1) {
 382       depth = range->arraySize;
 383    } else if (image->extent.depth > 1) {
 384       depth = image->extent.depth;
 385    }
 386
 387    static const uint32_t vk_to_gen_swizzle[] = {
 388       [VK_CHANNEL_SWIZZLE_ZERO]                 = SCS_ZERO,
 389       [VK_CHANNEL_SWIZZLE_ONE]                  = SCS_ONE,
 390       [VK_CHANNEL_SWIZZLE_R]                    = SCS_RED,
 391       [VK_CHANNEL_SWIZZLE_G]                    = SCS_GREEN,
 392       [VK_CHANNEL_SWIZZLE_B]                    = SCS_BLUE,
 393       [VK_CHANNEL_SWIZZLE_A]                    = SCS_ALPHA
 394    };
 395
 396    struct GEN8_RENDER_SURFACE_STATE surface_state = {
 397       .SurfaceType = view_type_info->surface_type,
 398       .SurfaceArray = image->array_size > 1,
 399       .SurfaceFormat = format_info->surface_format,
 400       .SurfaceVerticalAlignment = anv_valign[surface->v_align],
 401       .SurfaceHorizontalAlignment = anv_halign[surface->h_align],
 402       .TileMode = surface->tile_mode,
 403       .VerticalLineStride = 0,
 404       .VerticalLineStrideOffset = 0,
 405       .SamplerL2BypassModeDisable = true,
 406       .RenderCacheReadWriteMode = WriteOnlyCache,
 407       .MemoryObjectControlState = GEN8_MOCS,
 408
 409       /* The driver sets BaseMipLevel in SAMPLER_STATE, not here in
 410        * RENDER_SURFACE_STATE. The Broadwell PRM says "it is illegal to have
 411        * both Base Mip Level fields nonzero".
 412        */
 413       .BaseMipLevel = 0.0,
 414
 415       .SurfaceQPitch = surface->qpitch >> 2,
 416       .Height = image->extent.height - 1,
 417       .Width = image->extent.width - 1,
 418       .Depth = depth - 1,
 419       .SurfacePitch = surface->stride - 1,
 420       .MinimumArrayElement = range->baseArraySlice,
 421       .NumberofMultisamples = MULTISAMPLECOUNT_1,
 422       .XOffset = 0,
 423       .YOffset = 0,
 424
 425       /* For sampler surfaces, the hardware interprets field MIPCount/LOD as
 426        * MIPCount.  The range of levels accessible by the sampler engine is
 427        * [SurfaceMinLOD, SurfaceMinLOD + MIPCountLOD].
 428        */
 429       .MIPCountLOD = range->mipLevels - 1,
 430       .SurfaceMinLOD = range->baseMipLevel,
 431
 432       .AuxiliarySurfaceMode = AUX_NONE,
 433       .RedClearColor = 0,
 434       .GreenClearColor = 0,
 435       .BlueClearColor = 0,
 436       .AlphaClearColor = 0,
 437       .ShaderChannelSelectRed = vk_to_gen_swizzle[pCreateInfo->channels.r],
 438       .ShaderChannelSelectGreen = vk_to_gen_swizzle[pCreateInfo->channels.g],
 439       .ShaderChannelSelectBlue = vk_to_gen_swizzle[pCreateInfo->channels.b],
 440       .ShaderChannelSelectAlpha = vk_to_gen_swizzle[pCreateInfo->channels.a],
 441       .ResourceMinLOD = 0.0,
 442       .SurfaceBaseAddress = { NULL, view->offset },
 443    };
 444
 445    if (cmd_buffer) {
 446       view->surface_state =
 447          anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
 448    } else {
 449       view->surface_state =
 450          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 451    }
 452
 453    GEN8_RENDER_SURFACE_STATE_pack(NULL, view->surface_state.map, &surface_state);
 454 }
 455
 456 VkResult
 457 anv_validate_CreateImageView(VkDevice _device,
 458                              const VkImageViewCreateInfo *pCreateInfo,
 459                              VkImageView *pView)
 460 {
 461    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 462    const VkImageSubresourceRange *subresource;
 463    const struct anv_image_view_info *view_info;
 464    const struct anv_format *view_format_info;
 465
 466    /* Validate structure type before dereferencing it. */
 467    assert(pCreateInfo);
 468    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO);
 469    subresource = &pCreateInfo->subresourceRange;
 470
 471    /* Validate viewType is in range before using it. */
 472    assert(pCreateInfo->viewType >= VK_IMAGE_VIEW_TYPE_BEGIN_RANGE);
 473    assert(pCreateInfo->viewType <= VK_IMAGE_VIEW_TYPE_END_RANGE);
 474    view_info = &anv_image_view_info_table[pCreateInfo->viewType];
 475
 476    /* Validate format is in range before using it. */
 477    assert(pCreateInfo->format >= VK_FORMAT_BEGIN_RANGE);
 478    assert(pCreateInfo->format <= VK_FORMAT_END_RANGE);
 479    view_format_info = anv_format_for_vk_format(pCreateInfo->format);
 480
 481    /* Validate channel swizzles. */
 482    assert(pCreateInfo->channels.r >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 483    assert(pCreateInfo->channels.r <= VK_CHANNEL_SWIZZLE_END_RANGE);
 484    assert(pCreateInfo->channels.g >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 485    assert(pCreateInfo->channels.g <= VK_CHANNEL_SWIZZLE_END_RANGE);
 486    assert(pCreateInfo->channels.b >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 487    assert(pCreateInfo->channels.b <= VK_CHANNEL_SWIZZLE_END_RANGE);
 488    assert(pCreateInfo->channels.a >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 489    assert(pCreateInfo->channels.a <= VK_CHANNEL_SWIZZLE_END_RANGE);
 490
 491    /* Validate subresource. */
 492    assert(subresource->aspect >= VK_IMAGE_ASPECT_BEGIN_RANGE);
 493    assert(subresource->aspect <= VK_IMAGE_ASPECT_END_RANGE);
 494    assert(subresource->mipLevels > 0);
 495    assert(subresource->arraySize > 0);
 496    assert(subresource->baseMipLevel < image->levels);
 497    assert(subresource->baseMipLevel + subresource->mipLevels <= image->levels);
 498    assert(subresource->baseArraySlice < image->array_size);
 499    assert(subresource->baseArraySlice + subresource->arraySize <= image->array_size);
 500    assert(pView);
 501
 502    if (view_info->is_cube) {
 503       assert(subresource->baseArraySlice % 6 == 0);
 504       assert(subresource->arraySize % 6 == 0);
 505    }
 506
 507    /* Validate format. */
 508    switch (subresource->aspect) {
 509    case VK_IMAGE_ASPECT_COLOR:
 510       assert(!image->format->depth_format);
 511       assert(!image->format->has_stencil);
 512       assert(!view_format_info->depth_format);
 513       assert(!view_format_info->has_stencil);
 514       assert(view_format_info->cpp == image->format->cpp);
 515       break;
 516    case VK_IMAGE_ASPECT_DEPTH:
 517       assert(image->format->depth_format);
 518       assert(view_format_info->depth_format);
 519       assert(view_format_info->cpp == image->format->cpp);
 520       break;
 521    case VK_IMAGE_ASPECT_STENCIL:
 522       /* FINISHME: Is it legal to have an R8 view of S8? */
 523       assert(image->format->has_stencil);
 524       assert(view_format_info->has_stencil);
 525       break;
 526    default:
 527       assert(!"bad VkImageAspect");
 528       break;
 529    }
 530
 531    return anv_CreateImageView(_device, pCreateInfo, pView);
 532 }
 533
 534 VkResult
 535 anv_CreateImageView(VkDevice _device,
 536                     const VkImageViewCreateInfo *pCreateInfo,
 537                     VkImageView *pView)
 538 {
 539    ANV_FROM_HANDLE(anv_device, device, _device);
 540    struct anv_image_view *view;
 541
 542    view = anv_device_alloc(device, sizeof(*view), 8,
 543                            VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 544    if (view == NULL)
 545       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 546
 547    anv_image_view_init(view, device, pCreateInfo, NULL);
 548
 549    *pView = anv_image_view_to_handle(view);
 550
 551    return VK_SUCCESS;
 552 }
 553
 554 VkResult
 555 anv_DestroyImageView(VkDevice _device, VkImageView _iview)
 556 {
 557    ANV_FROM_HANDLE(anv_device, device, _device);
 558    ANV_FROM_HANDLE(anv_image_view, iview, _iview);
 559
 560    anv_surface_view_fini(device, &iview->view);
 561    anv_device_free(device, iview);
 562
 563    return VK_SUCCESS;
 564 }
 565
 566 void
 567 anv_color_attachment_view_init(struct anv_color_attachment_view *aview,
 568                                struct anv_device *device,
 569                                const VkAttachmentViewCreateInfo* pCreateInfo,
 570                                struct anv_cmd_buffer *cmd_buffer)
 571 {
 572    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 573    struct anv_surface_view *view = &aview->view;
 574    struct anv_surface *surface = &image->primary_surface;
 575    const struct anv_format *format_info =
 576       anv_format_for_vk_format(pCreateInfo->format);
 577
 578    aview->base.attachment_type = ANV_ATTACHMENT_VIEW_TYPE_COLOR;
 579
 580    anv_assert(pCreateInfo->arraySize > 0);
 581    anv_assert(pCreateInfo->mipLevel < image->levels);
 582    anv_assert(pCreateInfo->baseArraySlice + pCreateInfo->arraySize <= image->array_size);
 583
 584    view->bo = image->bo;
 585    view->offset = image->offset + surface->offset;
 586    view->format = pCreateInfo->format;
 587
 588    aview->base.extent = (VkExtent3D) {
 589       .width = anv_minify(image->extent.width, pCreateInfo->mipLevel),
 590       .height = anv_minify(image->extent.height, pCreateInfo->mipLevel),
 591       .depth = anv_minify(image->extent.depth, pCreateInfo->mipLevel),
 592    };
 593
 594    uint32_t depth = 1;
 595    if (pCreateInfo->arraySize > 1) {
 596       depth = pCreateInfo->arraySize;
 597    } else if (image->extent.depth > 1) {
 598       depth = image->extent.depth;
 599    }
 600
 601    if (cmd_buffer) {
 602       view->surface_state =
 603          anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
 604    } else {
 605       view->surface_state =
 606          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 607    }
 608
 609    struct GEN8_RENDER_SURFACE_STATE surface_state = {
 610       .SurfaceType = SURFTYPE_2D,
 611       .SurfaceArray = image->array_size > 1,
 612       .SurfaceFormat = format_info->surface_format,
 613       .SurfaceVerticalAlignment = anv_valign[surface->v_align],
 614       .SurfaceHorizontalAlignment = anv_halign[surface->h_align],
 615       .TileMode = surface->tile_mode,
 616       .VerticalLineStride = 0,
 617       .VerticalLineStrideOffset = 0,
 618       .SamplerL2BypassModeDisable = true,
 619       .RenderCacheReadWriteMode = WriteOnlyCache,
 620       .MemoryObjectControlState = GEN8_MOCS,
 621
 622       /* The driver sets BaseMipLevel in SAMPLER_STATE, not here in
 623        * RENDER_SURFACE_STATE. The Broadwell PRM says "it is illegal to have
 624        * both Base Mip Level fields nonzero".
 625        */
 626       .BaseMipLevel = 0.0,
 627
 628       .SurfaceQPitch = surface->qpitch >> 2,
 629       .Height = image->extent.height - 1,
 630       .Width = image->extent.width - 1,
 631       .Depth = depth - 1,
 632       .SurfacePitch = surface->stride - 1,
 633       .MinimumArrayElement = pCreateInfo->baseArraySlice,
 634       .NumberofMultisamples = MULTISAMPLECOUNT_1,
 635       .XOffset = 0,
 636       .YOffset = 0,
 637
 638       /* For render target surfaces, the hardware interprets field MIPCount/LOD as
 639        * LOD. The Broadwell PRM says:
 640        *
 641        *    MIPCountLOD defines the LOD that will be rendered into.
 642        *    SurfaceMinLOD is ignored.
 643        */
 644       .SurfaceMinLOD = 0,
 645       .MIPCountLOD = pCreateInfo->mipLevel,
 646
 647       .AuxiliarySurfaceMode = AUX_NONE,
 648       .RedClearColor = 0,
 649       .GreenClearColor = 0,
 650       .BlueClearColor = 0,
 651       .AlphaClearColor = 0,
 652       .ShaderChannelSelectRed = SCS_RED,
 653       .ShaderChannelSelectGreen = SCS_GREEN,
 654       .ShaderChannelSelectBlue = SCS_BLUE,
 655       .ShaderChannelSelectAlpha = SCS_ALPHA,
 656       .ResourceMinLOD = 0.0,
 657       .SurfaceBaseAddress = { NULL, view->offset },
 658    };
 659
 660    GEN8_RENDER_SURFACE_STATE_pack(NULL, view->surface_state.map, &surface_state);
 661 }
 662
 663 static void
 664 anv_depth_stencil_view_init(struct anv_depth_stencil_view *view,
 665                             const VkAttachmentViewCreateInfo *pCreateInfo)
 666 {
 667    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 668    struct anv_surface *depth_surface = &image->primary_surface;
 669    struct anv_surface *stencil_surface = &image->stencil_surface;
 670
 671    view->base.attachment_type = ANV_ATTACHMENT_VIEW_TYPE_DEPTH_STENCIL;
 672
 673    /* XXX: We don't handle any of these */
 674    anv_assert(pCreateInfo->mipLevel == 0);
 675    anv_assert(pCreateInfo->baseArraySlice == 0);
 676    anv_assert(pCreateInfo->arraySize == 1);
 677
 678    view->bo = image->bo;
 679
 680    view->depth_stride = depth_surface->stride;
 681    view->depth_offset = image->offset + depth_surface->offset;
 682    view->depth_format = image->format->depth_format;
 683    view->depth_qpitch = 0; /* FINISHME: QPitch */
 684
 685    view->stencil_stride = stencil_surface->stride;
 686    view->stencil_offset = image->offset + stencil_surface->offset;
 687    view->stencil_qpitch = 0; /* FINISHME: QPitch */
 688 }
 689
 690 VkResult
 691 anv_CreateAttachmentView(VkDevice _device,
 692                          const VkAttachmentViewCreateInfo *pCreateInfo,
 693                          VkAttachmentView *pView)
 694 {
 695    ANV_FROM_HANDLE(anv_device, device, _device);
 696
 697    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_ATTACHMENT_VIEW_CREATE_INFO);
 698
 699    if (anv_is_vk_format_depth_or_stencil(pCreateInfo->format)) {
 700       struct anv_depth_stencil_view *view =
 701          anv_device_alloc(device, sizeof(*view), 8,
 702                           VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 703       if (view == NULL)
 704          return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 705
 706       anv_depth_stencil_view_init(view, pCreateInfo);
 707
 708       *pView = anv_attachment_view_to_handle(&view->base);
 709    } else {
 710       struct anv_color_attachment_view *view =
 711          anv_device_alloc(device, sizeof(*view), 8,
 712                           VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 713       if (view == NULL)
 714          return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 715
 716       anv_color_attachment_view_init(view, device, pCreateInfo, NULL);
 717
 718       *pView = anv_attachment_view_to_handle(&view->base);
 719    }
 720
 721    return VK_SUCCESS;
 722 }
 723
 724 VkResult
 725 anv_DestroyAttachmentView(VkDevice _device, VkAttachmentView _view)
 726 {
 727    ANV_FROM_HANDLE(anv_device, device, _device);
 728    ANV_FROM_HANDLE(anv_attachment_view, view, _view);
 729
 730    if (view->attachment_type == ANV_ATTACHMENT_VIEW_TYPE_COLOR) {
 731       struct anv_color_attachment_view *aview =
 732          (struct anv_color_attachment_view *)view;
 733
 734       anv_surface_view_fini(device, &aview->view);
 735    }
 736
 737    anv_device_free(device, view);
 738
 739    return VK_SUCCESS;
 740 }