src/vulkan/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 "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    const uint32_t stride = align_u32(mt_width * format_info->cpp,
 185                                      tile_info->width);
 186    const uint32_t size = stride * align_u32(mt_height, tile_info->height);
 187    const uint32_t offset = align_u32(*inout_image_size,
 188                                      tile_info->surface_alignment);
 189
 190    *inout_image_size = offset + size;
 191    *inout_image_alignment = MAX(*inout_image_alignment,
 192                                 tile_info->surface_alignment);
 193
 194    *out_surface = (struct anv_surface) {
 195       .offset = offset,
 196       .stride = stride,
 197       .tile_mode = tile_mode,
 198       .qpitch = qpitch,
 199       .h_align = i,
 200       .v_align = j,
 201    };
 202
 203    return VK_SUCCESS;
 204 }
 205
 206 VkResult
 207 anv_image_create(VkDevice _device,
 208                  const struct anv_image_create_info *create_info,
 209                  VkImage *pImage)
 210 {
 211    ANV_FROM_HANDLE(anv_device, device, _device);
 212    const VkImageCreateInfo *pCreateInfo = create_info->vk_info;
 213    const VkExtent3D *restrict extent = &pCreateInfo->extent;
 214    struct anv_image *image = NULL;
 215    VkResult r;
 216
 217    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
 218
 219    /* XXX: We don't handle any of these */
 220    anv_assert(pCreateInfo->imageType == VK_IMAGE_TYPE_2D);
 221    anv_assert(pCreateInfo->mipLevels > 0);
 222    anv_assert(pCreateInfo->arraySize > 0);
 223    anv_assert(pCreateInfo->samples == 1);
 224    anv_assert(pCreateInfo->extent.width > 0);
 225    anv_assert(pCreateInfo->extent.height > 0);
 226    anv_assert(pCreateInfo->extent.depth > 0);
 227
 228    /* TODO(chadv): How should we validate inputs? */
 229    const uint8_t surf_type =
 230       anv_surf_type_from_image_type[pCreateInfo->imageType];
 231
 232    const struct anv_surf_type_limits *limits =
 233       &anv_surf_type_limits[surf_type];
 234
 235    if (extent->width > limits->width ||
 236        extent->height > limits->height ||
 237        extent->depth > limits->depth) {
 238       /* TODO(chadv): What is the correct error? */
 239       anv_loge("image extent is too large");
 240       return vk_error(VK_ERROR_INVALID_MEMORY_SIZE);
 241    }
 242
 243    const struct anv_format *format_info =
 244       anv_format_for_vk_format(pCreateInfo->format);
 245
 246    image = anv_device_alloc(device, sizeof(*image), 8,
 247                             VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 248    if (!image)
 249       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 250
 251    memset(image, 0, sizeof(*image));
 252    image->type = pCreateInfo->imageType;
 253    image->extent = pCreateInfo->extent;
 254    image->format = pCreateInfo->format;
 255    image->levels = pCreateInfo->mipLevels;
 256    image->array_size = pCreateInfo->arraySize;
 257    image->surf_type = surf_type;
 258
 259    if (likely(!format_info->has_stencil || format_info->depth_format)) {
 260       /* The image's primary surface is a color or depth surface. */
 261       r = anv_image_make_surface(create_info, &image->size, &image->alignment,
 262                                  &image->primary_surface);
 263       if (r != VK_SUCCESS)
 264          goto fail;
 265    }
 266
 267    if (format_info->has_stencil) {
 268       /* From the GPU's perspective, the depth buffer and stencil buffer are
 269        * separate buffers.  From Vulkan's perspective, though, depth and
 270        * stencil reside in the same image.  To satisfy Vulkan and the GPU, we
 271        * place the depth and stencil buffers in the same bo.
 272        */
 273       VkImageCreateInfo stencil_info = *pCreateInfo;
 274       stencil_info.format = VK_FORMAT_S8_UINT;
 275
 276       r = anv_image_make_surface(
 277             &(struct anv_image_create_info) {
 278                .vk_info = &stencil_info,
 279             },
 280             &image->size, &image->alignment, &image->stencil_surface);
 281
 282       if (r != VK_SUCCESS)
 283          goto fail;
 284    }
 285
 286    *pImage = anv_image_to_handle(image);
 287
 288    return VK_SUCCESS;
 289
 290 fail:
 291    if (image)
 292       anv_device_free(device, image);
 293
 294    return r;
 295 }
 296
 297 VkResult
 298 anv_CreateImage(VkDevice device,
 299                 const VkImageCreateInfo *pCreateInfo,
 300                 VkImage *pImage)
 301 {
 302    return anv_image_create(device,
 303       &(struct anv_image_create_info) {
 304          .vk_info = pCreateInfo,
 305       },
 306       pImage);
 307 }
 308
 309 VkResult anv_GetImageSubresourceLayout(
 310     VkDevice                                    device,
 311     VkImage                                     image,
 312     const VkImageSubresource*                   pSubresource,
 313     VkSubresourceLayout*                        pLayout)
 314 {
 315    stub_return(VK_UNSUPPORTED);
 316 }
 317
 318 void
 319 anv_surface_view_destroy(struct anv_device *device,
 320                          struct anv_object *obj, VkObjectType obj_type)
 321 {
 322    struct anv_surface_view *view = (struct anv_surface_view *)obj;
 323
 324    assert(obj_type == VK_OBJECT_TYPE_BUFFER_VIEW ||
 325           obj_type == VK_OBJECT_TYPE_IMAGE_VIEW ||
 326           obj_type == VK_OBJECT_TYPE_COLOR_ATTACHMENT_VIEW);
 327
 328    anv_state_pool_free(&device->surface_state_pool, view->surface_state);
 329
 330    anv_device_free(device, view);
 331 }
 332
 333 void
 334 anv_image_view_init(struct anv_surface_view *view,
 335                     struct anv_device *device,
 336                     const VkImageViewCreateInfo* pCreateInfo,
 337                     struct anv_cmd_buffer *cmd_buffer)
 338 {
 339    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 340    const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
 341    struct anv_surface *surface;
 342
 343    const struct anv_format *format_info =
 344       anv_format_for_vk_format(pCreateInfo->format);
 345
 346    const struct anv_image_view_info *view_type_info
 347       = &anv_image_view_info_table[pCreateInfo->viewType];
 348
 349    if (pCreateInfo->viewType != VK_IMAGE_VIEW_TYPE_2D)
 350       anv_finishme("non-2D image views");
 351
 352    switch (pCreateInfo->subresourceRange.aspect) {
 353    case VK_IMAGE_ASPECT_STENCIL:
 354       anv_finishme("stencil image views");
 355       abort();
 356       break;
 357    case VK_IMAGE_ASPECT_DEPTH:
 358    case VK_IMAGE_ASPECT_COLOR:
 359       view->offset = image->offset;
 360       surface = &image->primary_surface;
 361       break;
 362    default:
 363       unreachable("");
 364       break;
 365    }
 366
 367    view->bo = image->bo;
 368    view->offset = image->offset + surface->offset;
 369    view->format = pCreateInfo->format;
 370
 371    view->extent = (VkExtent3D) {
 372       .width = anv_minify(image->extent.width, range->baseMipLevel),
 373       .height = anv_minify(image->extent.height, range->baseMipLevel),
 374       .depth = anv_minify(image->extent.depth, range->baseMipLevel),
 375    };
 376
 377    uint32_t depth = 1;
 378    if (range->arraySize > 1) {
 379       depth = range->arraySize;
 380    } else if (image->extent.depth > 1) {
 381       depth = image->extent.depth;
 382    }
 383
 384    static const uint32_t vk_to_gen_swizzle[] = {
 385       [VK_CHANNEL_SWIZZLE_ZERO]                 = SCS_ZERO,
 386       [VK_CHANNEL_SWIZZLE_ONE]                  = SCS_ONE,
 387       [VK_CHANNEL_SWIZZLE_R]                    = SCS_RED,
 388       [VK_CHANNEL_SWIZZLE_G]                    = SCS_GREEN,
 389       [VK_CHANNEL_SWIZZLE_B]                    = SCS_BLUE,
 390       [VK_CHANNEL_SWIZZLE_A]                    = SCS_ALPHA
 391    };
 392
 393    struct GEN8_RENDER_SURFACE_STATE surface_state = {
 394       .SurfaceType = view_type_info->surface_type,
 395       .SurfaceArray = image->array_size > 1,
 396       .SurfaceFormat = format_info->surface_format,
 397       .SurfaceVerticalAlignment = anv_valign[surface->v_align],
 398       .SurfaceHorizontalAlignment = anv_halign[surface->h_align],
 399       .TileMode = surface->tile_mode,
 400       .VerticalLineStride = 0,
 401       .VerticalLineStrideOffset = 0,
 402       .SamplerL2BypassModeDisable = true,
 403       .RenderCacheReadWriteMode = WriteOnlyCache,
 404       .MemoryObjectControlState = GEN8_MOCS,
 405
 406       /* The driver sets BaseMipLevel in SAMPLER_STATE, not here in
 407        * RENDER_SURFACE_STATE. The Broadwell PRM says "it is illegal to have
 408        * both Base Mip Level fields nonzero".
 409        */
 410       .BaseMipLevel = 0.0,
 411
 412       .SurfaceQPitch = surface->qpitch >> 2,
 413       .Height = image->extent.height - 1,
 414       .Width = image->extent.width - 1,
 415       .Depth = depth - 1,
 416       .SurfacePitch = surface->stride - 1,
 417       .MinimumArrayElement = range->baseArraySlice,
 418       .NumberofMultisamples = MULTISAMPLECOUNT_1,
 419       .XOffset = 0,
 420       .YOffset = 0,
 421
 422       /* For sampler surfaces, the hardware interprets field MIPCount/LOD as
 423        * MIPCount.  The range of levels accessible by the sampler engine is
 424        * [SurfaceMinLOD, SurfaceMinLOD + MIPCountLOD].
 425        */
 426       .MIPCountLOD = range->mipLevels - 1,
 427       .SurfaceMinLOD = range->baseMipLevel,
 428
 429       .AuxiliarySurfaceMode = AUX_NONE,
 430       .RedClearColor = 0,
 431       .GreenClearColor = 0,
 432       .BlueClearColor = 0,
 433       .AlphaClearColor = 0,
 434       .ShaderChannelSelectRed = vk_to_gen_swizzle[pCreateInfo->channels.r],
 435       .ShaderChannelSelectGreen = vk_to_gen_swizzle[pCreateInfo->channels.g],
 436       .ShaderChannelSelectBlue = vk_to_gen_swizzle[pCreateInfo->channels.b],
 437       .ShaderChannelSelectAlpha = vk_to_gen_swizzle[pCreateInfo->channels.a],
 438       .ResourceMinLOD = 0.0,
 439       .SurfaceBaseAddress = { NULL, view->offset },
 440    };
 441
 442    if (cmd_buffer)
 443       view->surface_state =
 444          anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
 445    else
 446       view->surface_state =
 447          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 448
 449    GEN8_RENDER_SURFACE_STATE_pack(NULL, view->surface_state.map, &surface_state);
 450 }
 451
 452 VkResult
 453 anv_validate_CreateImageView(VkDevice _device,
 454                              const VkImageViewCreateInfo *pCreateInfo,
 455                              VkImageView *pView)
 456 {
 457    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 458    const VkImageSubresourceRange *subresource;
 459    const struct anv_image_view_info *view_info;
 460    const struct anv_format *view_format_info;
 461    const struct anv_format *image_format_info;
 462
 463    /* Validate structure type before dereferencing it. */
 464    assert(pCreateInfo);
 465    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO);
 466    subresource = &pCreateInfo->subresourceRange;
 467
 468    /* Validate viewType is in range before using it. */
 469    assert(pCreateInfo->viewType >= VK_IMAGE_VIEW_TYPE_BEGIN_RANGE);
 470    assert(pCreateInfo->viewType <= VK_IMAGE_VIEW_TYPE_END_RANGE);
 471    view_info = &anv_image_view_info_table[pCreateInfo->viewType];
 472
 473    /* Validate format is in range before using it. */
 474    assert(pCreateInfo->format >= VK_FORMAT_BEGIN_RANGE);
 475    assert(pCreateInfo->format <= VK_FORMAT_END_RANGE);
 476    image_format_info = anv_format_for_vk_format(image->format);
 477    view_format_info = anv_format_for_vk_format(pCreateInfo->format);
 478
 479    /* Validate channel swizzles. */
 480    assert(pCreateInfo->channels.r >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 481    assert(pCreateInfo->channels.r <= VK_CHANNEL_SWIZZLE_END_RANGE);
 482    assert(pCreateInfo->channels.g >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 483    assert(pCreateInfo->channels.g <= VK_CHANNEL_SWIZZLE_END_RANGE);
 484    assert(pCreateInfo->channels.b >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 485    assert(pCreateInfo->channels.b <= VK_CHANNEL_SWIZZLE_END_RANGE);
 486    assert(pCreateInfo->channels.a >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 487    assert(pCreateInfo->channels.a <= VK_CHANNEL_SWIZZLE_END_RANGE);
 488
 489    /* Validate subresource. */
 490    assert(subresource->aspect >= VK_IMAGE_ASPECT_BEGIN_RANGE);
 491    assert(subresource->aspect <= VK_IMAGE_ASPECT_END_RANGE);
 492    assert(subresource->mipLevels > 0);
 493    assert(subresource->arraySize > 0);
 494    assert(subresource->baseMipLevel < image->levels);
 495    assert(subresource->baseMipLevel + subresource->mipLevels <= image->levels);
 496    assert(subresource->baseArraySlice < image->array_size);
 497    assert(subresource->baseArraySlice + subresource->arraySize <= image->array_size);
 498    assert(pView);
 499
 500    if (view_info->is_cube) {
 501       assert(subresource->baseArraySlice % 6 == 0);
 502       assert(subresource->arraySize % 6 == 0);
 503    }
 504
 505    /* Validate format. */
 506    switch (subresource->aspect) {
 507    case VK_IMAGE_ASPECT_COLOR:
 508       assert(!image_format_info->depth_format);
 509       assert(!image_format_info->has_stencil);
 510       assert(!view_format_info->depth_format);
 511       assert(!view_format_info->has_stencil);
 512       assert(view_format_info->cpp == image_format_info->cpp);
 513       break;
 514    case VK_IMAGE_ASPECT_DEPTH:
 515       assert(image_format_info->depth_format);
 516       assert(view_format_info->depth_format);
 517       assert(view_format_info->cpp == image_format_info->cpp);
 518       break;
 519    case VK_IMAGE_ASPECT_STENCIL:
 520       /* FINISHME: Is it legal to have an R8 view of S8? */
 521       assert(image_format_info->has_stencil);
 522       assert(view_format_info->has_stencil);
 523       break;
 524    default:
 525       assert(!"bad VkImageAspect");
 526       break;
 527    }
 528
 529    return anv_CreateImageView(_device, pCreateInfo, pView);
 530 }
 531
 532 VkResult
 533 anv_CreateImageView(VkDevice _device,
 534                     const VkImageViewCreateInfo *pCreateInfo,
 535                     VkImageView *pView)
 536 {
 537    ANV_FROM_HANDLE(anv_device, device, _device);
 538    struct anv_surface_view *view;
 539
 540    view = anv_device_alloc(device, sizeof(*view), 8,
 541                            VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 542    if (view == NULL)
 543       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 544
 545    anv_image_view_init(view, device, pCreateInfo, NULL);
 546
 547    view->base.destructor = anv_surface_view_destroy;
 548
 549    *pView = (VkImageView) view;
 550
 551    return VK_SUCCESS;
 552 }
 553
 554 void
 555 anv_color_attachment_view_init(struct anv_surface_view *view,
 556                                struct anv_device *device,
 557                                const VkColorAttachmentViewCreateInfo* pCreateInfo,
 558                                struct anv_cmd_buffer *cmd_buffer)
 559 {
 560    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 561    struct anv_surface *surface = &image->primary_surface;
 562    const struct anv_format *format_info =
 563       anv_format_for_vk_format(pCreateInfo->format);
 564
 565    anv_assert(pCreateInfo->arraySize > 0);
 566    anv_assert(pCreateInfo->mipLevel < image->levels);
 567    anv_assert(pCreateInfo->baseArraySlice + pCreateInfo->arraySize <= image->array_size);
 568
 569    if (pCreateInfo->msaaResolveImage)
 570       anv_finishme("msaaResolveImage");
 571
 572    view->bo = image->bo;
 573    view->offset = image->offset + surface->offset;
 574    view->format = pCreateInfo->format;
 575
 576    view->extent = (VkExtent3D) {
 577       .width = anv_minify(image->extent.width, pCreateInfo->mipLevel),
 578       .height = anv_minify(image->extent.height, pCreateInfo->mipLevel),
 579       .depth = anv_minify(image->extent.depth, pCreateInfo->mipLevel),
 580    };
 581
 582    uint32_t depth = 1;
 583    if (pCreateInfo->arraySize > 1) {
 584       depth = pCreateInfo->arraySize;
 585    } else if (image->extent.depth > 1) {
 586       depth = image->extent.depth;
 587    }
 588
 589    if (cmd_buffer)
 590       view->surface_state =
 591          anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
 592    else
 593       view->surface_state =
 594          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 595
 596    struct GEN8_RENDER_SURFACE_STATE surface_state = {
 597       .SurfaceType = SURFTYPE_2D,
 598       .SurfaceArray = image->array_size > 1,
 599       .SurfaceFormat = format_info->surface_format,
 600       .SurfaceVerticalAlignment = anv_valign[surface->v_align],
 601       .SurfaceHorizontalAlignment = anv_halign[surface->h_align],
 602       .TileMode = surface->tile_mode,
 603       .VerticalLineStride = 0,
 604       .VerticalLineStrideOffset = 0,
 605       .SamplerL2BypassModeDisable = true,
 606       .RenderCacheReadWriteMode = WriteOnlyCache,
 607       .MemoryObjectControlState = GEN8_MOCS,
 608
 609       /* The driver sets BaseMipLevel in SAMPLER_STATE, not here in
 610        * RENDER_SURFACE_STATE. The Broadwell PRM says "it is illegal to have
 611        * both Base Mip Level fields nonzero".
 612        */
 613       .BaseMipLevel = 0.0,
 614
 615       .SurfaceQPitch = surface->qpitch >> 2,
 616       .Height = image->extent.height - 1,
 617       .Width = image->extent.width - 1,
 618       .Depth = depth - 1,
 619       .SurfacePitch = surface->stride - 1,
 620       .MinimumArrayElement = pCreateInfo->baseArraySlice,
 621       .NumberofMultisamples = MULTISAMPLECOUNT_1,
 622       .XOffset = 0,
 623       .YOffset = 0,
 624
 625       /* For render target surfaces, the hardware interprets field MIPCount/LOD as
 626        * LOD. The Broadwell PRM says:
 627        *
 628        *    MIPCountLOD defines the LOD that will be rendered into.
 629        *    SurfaceMinLOD is ignored.
 630        */
 631       .SurfaceMinLOD = 0,
 632       .MIPCountLOD = pCreateInfo->mipLevel,
 633
 634       .AuxiliarySurfaceMode = AUX_NONE,
 635       .RedClearColor = 0,
 636       .GreenClearColor = 0,
 637       .BlueClearColor = 0,
 638       .AlphaClearColor = 0,
 639       .ShaderChannelSelectRed = SCS_RED,
 640       .ShaderChannelSelectGreen = SCS_GREEN,
 641       .ShaderChannelSelectBlue = SCS_BLUE,
 642       .ShaderChannelSelectAlpha = SCS_ALPHA,
 643       .ResourceMinLOD = 0.0,
 644       .SurfaceBaseAddress = { NULL, view->offset },
 645    };
 646
 647    GEN8_RENDER_SURFACE_STATE_pack(NULL, view->surface_state.map, &surface_state);
 648 }
 649
 650 VkResult
 651 anv_CreateColorAttachmentView(VkDevice _device,
 652                               const VkColorAttachmentViewCreateInfo *pCreateInfo,
 653                               VkColorAttachmentView *pView)
 654 {
 655    ANV_FROM_HANDLE(anv_device, device, _device);
 656    struct anv_surface_view *view;
 657
 658    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_COLOR_ATTACHMENT_VIEW_CREATE_INFO);
 659
 660    view = anv_device_alloc(device, sizeof(*view), 8,
 661                            VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 662    if (view == NULL)
 663       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 664
 665    anv_color_attachment_view_init(view, device, pCreateInfo, NULL);
 666
 667    view->base.destructor = anv_surface_view_destroy;
 668
 669    *pView = (VkColorAttachmentView) view;
 670
 671    return VK_SUCCESS;
 672 }
 673
 674 VkResult
 675 anv_CreateDepthStencilView(VkDevice _device,
 676                            const VkDepthStencilViewCreateInfo *pCreateInfo,
 677                            VkDepthStencilView *pView)
 678 {
 679    ANV_FROM_HANDLE(anv_device, device, _device);
 680    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 681    struct anv_depth_stencil_view *view;
 682    struct anv_surface *depth_surface = &image->primary_surface;
 683    struct anv_surface *stencil_surface = &image->stencil_surface;
 684    const struct anv_format *format =
 685       anv_format_for_vk_format(image->format);
 686
 687    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_DEPTH_STENCIL_VIEW_CREATE_INFO);
 688
 689    view = anv_device_alloc(device, sizeof(*view), 8,
 690                            VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 691    if (view == NULL)
 692       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 693
 694    /* XXX: We don't handle any of these */
 695    anv_assert(pCreateInfo->mipLevel == 0);
 696    anv_assert(pCreateInfo->baseArraySlice == 0);
 697    anv_assert(pCreateInfo->arraySize == 1);
 698
 699    view->bo = image->bo;
 700
 701    view->depth_stride = depth_surface->stride;
 702    view->depth_offset = image->offset + depth_surface->offset;
 703    view->depth_format = format->depth_format;
 704    view->depth_qpitch = 0; /* FINISHME: QPitch */
 705
 706    view->stencil_stride = stencil_surface->stride;
 707    view->stencil_offset = image->offset + stencil_surface->offset;
 708    view->stencil_qpitch = 0; /* FINISHME: QPitch */
 709
 710    *pView = anv_depth_stencil_view_to_handle(view);
 711
 712    return VK_SUCCESS;
 713 }