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
 127 /**
 128  * The \a format argument is required and overrides any format in
 129  * struct anv_image_create_info.
 130  */
 131 static VkResult
 132 anv_image_make_surface(const struct anv_image_create_info *create_info,
 133                        const struct anv_format *format,
 134                        uint64_t *inout_image_size,
 135                        uint32_t *inout_image_alignment,
 136                        struct anv_surface *out_surface)
 137 {
 138    /* See RENDER_SURFACE_STATE.SurfaceQPitch */
 139    static const uint16_t min_qpitch UNUSED = 0x4;
 140    static const uint16_t max_qpitch UNUSED = 0x1ffc;
 141
 142    const VkExtent3D *restrict extent = &create_info->vk_info->extent;
 143    const uint32_t levels = create_info->vk_info->mipLevels;
 144    const uint32_t array_size = create_info->vk_info->arraySize;
 145
 146    const uint8_t tile_mode = anv_image_choose_tile_mode(create_info);
 147
 148    const struct anv_tile_info *tile_info =
 149        &anv_tile_info_table[tile_mode];
 150
 151    const uint32_t i = 4; /* FINISHME: Stop hardcoding subimage alignment */
 152    const uint32_t j = 4; /* FINISHME: Stop hardcoding subimage alignment */
 153    const uint32_t w0 = align_u32(extent->width, i);
 154    const uint32_t h0 = align_u32(extent->height, j);
 155
 156    uint16_t qpitch;
 157    uint32_t mt_width;
 158    uint32_t mt_height;
 159
 160    if (levels == 1 && array_size == 1) {
 161       qpitch = min_qpitch;
 162       mt_width = w0;
 163       mt_height = h0;
 164    } else {
 165       uint32_t w1 = align_u32(anv_minify(extent->width, 1), i);
 166       uint32_t h1 = align_u32(anv_minify(extent->height, 1), j);
 167       uint32_t w2 = align_u32(anv_minify(extent->width, 2), i);
 168
 169       qpitch = h0 + h1 + 11 * j;
 170       mt_width = MAX(w0, w1 + w2);
 171       mt_height = array_size * qpitch;
 172    }
 173
 174    assert(qpitch >= min_qpitch);
 175    if (qpitch > max_qpitch) {
 176       anv_loge("image qpitch > 0x%x\n", max_qpitch);
 177       return vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 178    }
 179
 180    /* From the Broadwell PRM, RENDER_SURFACE_STATE.SurfaceQpitch:
 181     *
 182     *   This field must be set an integer multiple of the Surface Vertical
 183     *   Alignment.
 184     */
 185    assert(anv_is_aligned(qpitch, j));
 186
 187    uint32_t stride = align_u32(mt_width * format->cpp, tile_info->width);
 188    if (create_info->stride > 0)
 189       stride = create_info->stride;
 190
 191    const uint32_t size = stride * align_u32(mt_height, tile_info->height);
 192    const uint32_t offset = align_u32(*inout_image_size,
 193                                      tile_info->surface_alignment);
 194
 195    *inout_image_size = offset + size;
 196    *inout_image_alignment = MAX(*inout_image_alignment,
 197                                 tile_info->surface_alignment);
 198
 199    *out_surface = (struct anv_surface) {
 200       .offset = offset,
 201       .stride = stride,
 202       .tile_mode = tile_mode,
 203       .qpitch = qpitch,
 204       .h_align = i,
 205       .v_align = j,
 206    };
 207
 208    return VK_SUCCESS;
 209 }
 210
 211 VkResult
 212 anv_image_create(VkDevice _device,
 213                  const struct anv_image_create_info *create_info,
 214                  VkImage *pImage)
 215 {
 216    ANV_FROM_HANDLE(anv_device, device, _device);
 217    const VkImageCreateInfo *pCreateInfo = create_info->vk_info;
 218    const VkExtent3D *restrict extent = &pCreateInfo->extent;
 219    struct anv_image *image = NULL;
 220    VkResult r;
 221
 222    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
 223
 224    /* XXX: We don't handle any of these */
 225    anv_assert(pCreateInfo->imageType == VK_IMAGE_TYPE_2D);
 226    anv_assert(pCreateInfo->mipLevels > 0);
 227    anv_assert(pCreateInfo->arraySize > 0);
 228    anv_assert(pCreateInfo->samples == 1);
 229    anv_assert(pCreateInfo->extent.width > 0);
 230    anv_assert(pCreateInfo->extent.height > 0);
 231    anv_assert(pCreateInfo->extent.depth > 0);
 232
 233    /* TODO(chadv): How should we validate inputs? */
 234    const uint8_t surf_type =
 235       anv_surf_type_from_image_type[pCreateInfo->imageType];
 236
 237    const struct anv_surf_type_limits *limits =
 238       &anv_surf_type_limits[surf_type];
 239
 240    if (extent->width > limits->width ||
 241        extent->height > limits->height ||
 242        extent->depth > limits->depth) {
 243       /* TODO(chadv): What is the correct error? */
 244       anv_loge("image extent is too large");
 245       return vk_error(VK_ERROR_INVALID_MEMORY_SIZE);
 246    }
 247
 248    image = anv_device_alloc(device, sizeof(*image), 8,
 249                             VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 250    if (!image)
 251       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 252
 253    memset(image, 0, sizeof(*image));
 254    image->type = pCreateInfo->imageType;
 255    image->extent = pCreateInfo->extent;
 256    image->format = anv_format_for_vk_format(pCreateInfo->format);
 257    image->levels = pCreateInfo->mipLevels;
 258    image->array_size = pCreateInfo->arraySize;
 259    image->surf_type = surf_type;
 260
 261    if (likely(!image->format->has_stencil || image->format->depth_format)) {
 262       /* The image's primary surface is a color or depth surface. */
 263       r = anv_image_make_surface(create_info, image->format,
 264                                  &image->size, &image->alignment,
 265                                  &image->primary_surface);
 266       if (r != VK_SUCCESS)
 267          goto fail;
 268    }
 269
 270    if (image->format->has_stencil) {
 271       /* From the GPU's perspective, the depth buffer and stencil buffer are
 272        * separate buffers.  From Vulkan's perspective, though, depth and
 273        * stencil reside in the same image.  To satisfy Vulkan and the GPU, we
 274        * place the depth and stencil buffers in the same bo.
 275        */
 276       r = anv_image_make_surface(create_info, anv_format_s8_uint,
 277                                  &image->size, &image->alignment,
 278                                  &image->stencil_surface);
 279       if (r != VK_SUCCESS)
 280          goto fail;
 281    }
 282
 283    *pImage = anv_image_to_handle(image);
 284
 285    return VK_SUCCESS;
 286
 287 fail:
 288    if (image)
 289       anv_device_free(device, image);
 290
 291    return r;
 292 }
 293
 294 VkResult
 295 anv_CreateImage(VkDevice device,
 296                 const VkImageCreateInfo *pCreateInfo,
 297                 VkImage *pImage)
 298 {
 299    return anv_image_create(device,
 300       &(struct anv_image_create_info) {
 301          .vk_info = pCreateInfo,
 302       },
 303       pImage);
 304 }
 305
 306 VkResult
 307 anv_DestroyImage(VkDevice _device, VkImage _image)
 308 {
 309    ANV_FROM_HANDLE(anv_device, device, _device);
 310
 311    anv_device_free(device, anv_image_from_handle(_image));
 312
 313    return VK_SUCCESS;
 314 }
 315
 316 VkResult anv_GetImageSubresourceLayout(
 317     VkDevice                                    device,
 318     VkImage                                     image,
 319     const VkImageSubresource*                   pSubresource,
 320     VkSubresourceLayout*                        pLayout)
 321 {
 322    stub_return(VK_UNSUPPORTED);
 323 }
 324
 325 void
 326 anv_surface_view_fini(struct anv_device *device,
 327                       struct anv_surface_view *view)
 328 {
 329    anv_state_pool_free(&device->surface_state_pool, view->surface_state);
 330 }
 331
 332 void
 333 anv_image_view_init(struct anv_image_view *iview,
 334                     struct anv_device *device,
 335                     const VkImageViewCreateInfo* pCreateInfo,
 336                     struct anv_cmd_buffer *cmd_buffer)
 337 {
 338    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 339
 340    const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
 341    struct anv_surface_view *view = &iview->view;
 342    struct anv_surface *surface;
 343
 344    const struct anv_image_view_info *view_type_info
 345       = &anv_image_view_info_table[pCreateInfo->viewType];
 346
 347    if (pCreateInfo->viewType != VK_IMAGE_VIEW_TYPE_2D)
 348       anv_finishme("non-2D image views");
 349
 350    switch (pCreateInfo->subresourceRange.aspect) {
 351    case VK_IMAGE_ASPECT_STENCIL:
 352       anv_finishme("stencil image views");
 353       abort();
 354       break;
 355    case VK_IMAGE_ASPECT_DEPTH:
 356    case VK_IMAGE_ASPECT_COLOR:
 357       view->offset = image->offset;
 358       surface = &image->primary_surface;
 359       break;
 360    default:
 361       unreachable("");
 362       break;
 363    }
 364
 365    view->bo = image->bo;
 366    view->offset = image->offset + surface->offset;
 367    view->format = anv_format_for_vk_format(pCreateInfo->format);
 368
 369    iview->extent = (VkExtent3D) {
 370       .width = anv_minify(image->extent.width, range->baseMipLevel),
 371       .height = anv_minify(image->extent.height, range->baseMipLevel),
 372       .depth = anv_minify(image->extent.depth, range->baseMipLevel),
 373    };
 374
 375    uint32_t depth = 1;
 376    if (range->arraySize > 1) {
 377       depth = range->arraySize;
 378    } else if (image->extent.depth > 1) {
 379       depth = image->extent.depth;
 380    }
 381
 382    static const uint32_t vk_to_gen_swizzle[] = {
 383       [VK_CHANNEL_SWIZZLE_ZERO]                 = SCS_ZERO,
 384       [VK_CHANNEL_SWIZZLE_ONE]                  = SCS_ONE,
 385       [VK_CHANNEL_SWIZZLE_R]                    = SCS_RED,
 386       [VK_CHANNEL_SWIZZLE_G]                    = SCS_GREEN,
 387       [VK_CHANNEL_SWIZZLE_B]                    = SCS_BLUE,
 388       [VK_CHANNEL_SWIZZLE_A]                    = SCS_ALPHA
 389    };
 390
 391    struct GEN8_RENDER_SURFACE_STATE surface_state = {
 392       .SurfaceType = view_type_info->surface_type,
 393       .SurfaceArray = image->array_size > 1,
 394       .SurfaceFormat = view->format->surface_format,
 395       .SurfaceVerticalAlignment = anv_valign[surface->v_align],
 396       .SurfaceHorizontalAlignment = anv_halign[surface->h_align],
 397       .TileMode = surface->tile_mode,
 398       .VerticalLineStride = 0,
 399       .VerticalLineStrideOffset = 0,
 400       .SamplerL2BypassModeDisable = true,
 401       .RenderCacheReadWriteMode = WriteOnlyCache,
 402       .MemoryObjectControlState = GEN8_MOCS,
 403
 404       /* The driver sets BaseMipLevel in SAMPLER_STATE, not here in
 405        * RENDER_SURFACE_STATE. The Broadwell PRM says "it is illegal to have
 406        * both Base Mip Level fields nonzero".
 407        */
 408       .BaseMipLevel = 0.0,
 409
 410       .SurfaceQPitch = surface->qpitch >> 2,
 411       .Height = image->extent.height - 1,
 412       .Width = image->extent.width - 1,
 413       .Depth = depth - 1,
 414       .SurfacePitch = surface->stride - 1,
 415       .MinimumArrayElement = range->baseArraySlice,
 416       .NumberofMultisamples = MULTISAMPLECOUNT_1,
 417       .XOffset = 0,
 418       .YOffset = 0,
 419
 420       /* For sampler surfaces, the hardware interprets field MIPCount/LOD as
 421        * MIPCount.  The range of levels accessible by the sampler engine is
 422        * [SurfaceMinLOD, SurfaceMinLOD + MIPCountLOD].
 423        */
 424       .MIPCountLOD = range->mipLevels - 1,
 425       .SurfaceMinLOD = range->baseMipLevel,
 426
 427       .AuxiliarySurfaceMode = AUX_NONE,
 428       .RedClearColor = 0,
 429       .GreenClearColor = 0,
 430       .BlueClearColor = 0,
 431       .AlphaClearColor = 0,
 432       .ShaderChannelSelectRed = vk_to_gen_swizzle[pCreateInfo->channels.r],
 433       .ShaderChannelSelectGreen = vk_to_gen_swizzle[pCreateInfo->channels.g],
 434       .ShaderChannelSelectBlue = vk_to_gen_swizzle[pCreateInfo->channels.b],
 435       .ShaderChannelSelectAlpha = vk_to_gen_swizzle[pCreateInfo->channels.a],
 436       .ResourceMinLOD = 0.0,
 437       .SurfaceBaseAddress = { NULL, view->offset },
 438    };
 439
 440    if (cmd_buffer) {
 441       view->surface_state =
 442          anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
 443    } else {
 444       view->surface_state =
 445          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 446    }
 447
 448    GEN8_RENDER_SURFACE_STATE_pack(NULL, view->surface_state.map, &surface_state);
 449 }
 450
 451 VkResult
 452 anv_validate_CreateImageView(VkDevice _device,
 453                              const VkImageViewCreateInfo *pCreateInfo,
 454                              VkImageView *pView)
 455 {
 456    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 457    const VkImageSubresourceRange *subresource;
 458    const struct anv_image_view_info *view_info;
 459    const struct anv_format *view_format_info;
 460
 461    /* Validate structure type before dereferencing it. */
 462    assert(pCreateInfo);
 463    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO);
 464    subresource = &pCreateInfo->subresourceRange;
 465
 466    /* Validate viewType is in range before using it. */
 467    assert(pCreateInfo->viewType >= VK_IMAGE_VIEW_TYPE_BEGIN_RANGE);
 468    assert(pCreateInfo->viewType <= VK_IMAGE_VIEW_TYPE_END_RANGE);
 469    view_info = &anv_image_view_info_table[pCreateInfo->viewType];
 470
 471    /* Validate format is in range before using it. */
 472    assert(pCreateInfo->format >= VK_FORMAT_BEGIN_RANGE);
 473    assert(pCreateInfo->format <= VK_FORMAT_END_RANGE);
 474    view_format_info = anv_format_for_vk_format(pCreateInfo->format);
 475
 476    /* Validate channel swizzles. */
 477    assert(pCreateInfo->channels.r >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 478    assert(pCreateInfo->channels.r <= VK_CHANNEL_SWIZZLE_END_RANGE);
 479    assert(pCreateInfo->channels.g >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 480    assert(pCreateInfo->channels.g <= VK_CHANNEL_SWIZZLE_END_RANGE);
 481    assert(pCreateInfo->channels.b >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 482    assert(pCreateInfo->channels.b <= VK_CHANNEL_SWIZZLE_END_RANGE);
 483    assert(pCreateInfo->channels.a >= VK_CHANNEL_SWIZZLE_BEGIN_RANGE);
 484    assert(pCreateInfo->channels.a <= VK_CHANNEL_SWIZZLE_END_RANGE);
 485
 486    /* Validate subresource. */
 487    assert(subresource->aspect >= VK_IMAGE_ASPECT_BEGIN_RANGE);
 488    assert(subresource->aspect <= VK_IMAGE_ASPECT_END_RANGE);
 489    assert(subresource->mipLevels > 0);
 490    assert(subresource->arraySize > 0);
 491    assert(subresource->baseMipLevel < image->levels);
 492    assert(subresource->baseMipLevel + subresource->mipLevels <= image->levels);
 493    assert(subresource->baseArraySlice < image->array_size);
 494    assert(subresource->baseArraySlice + subresource->arraySize <= image->array_size);
 495    assert(pView);
 496
 497    if (view_info->is_cube) {
 498       assert(subresource->baseArraySlice % 6 == 0);
 499       assert(subresource->arraySize % 6 == 0);
 500    }
 501
 502    /* Validate format. */
 503    switch (subresource->aspect) {
 504    case VK_IMAGE_ASPECT_COLOR:
 505       assert(!image->format->depth_format);
 506       assert(!image->format->has_stencil);
 507       assert(!view_format_info->depth_format);
 508       assert(!view_format_info->has_stencil);
 509       assert(view_format_info->cpp == image->format->cpp);
 510       break;
 511    case VK_IMAGE_ASPECT_DEPTH:
 512       assert(image->format->depth_format);
 513       assert(view_format_info->depth_format);
 514       assert(view_format_info->cpp == image->format->cpp);
 515       break;
 516    case VK_IMAGE_ASPECT_STENCIL:
 517       /* FINISHME: Is it legal to have an R8 view of S8? */
 518       assert(image->format->has_stencil);
 519       assert(view_format_info->has_stencil);
 520       break;
 521    default:
 522       assert(!"bad VkImageAspect");
 523       break;
 524    }
 525
 526    return anv_CreateImageView(_device, pCreateInfo, pView);
 527 }
 528
 529 VkResult
 530 anv_CreateImageView(VkDevice _device,
 531                     const VkImageViewCreateInfo *pCreateInfo,
 532                     VkImageView *pView)
 533 {
 534    ANV_FROM_HANDLE(anv_device, device, _device);
 535    struct anv_image_view *view;
 536
 537    view = anv_device_alloc(device, sizeof(*view), 8,
 538                            VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 539    if (view == NULL)
 540       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 541
 542    anv_image_view_init(view, device, pCreateInfo, NULL);
 543
 544    *pView = anv_image_view_to_handle(view);
 545
 546    return VK_SUCCESS;
 547 }
 548
 549 VkResult
 550 anv_DestroyImageView(VkDevice _device, VkImageView _iview)
 551 {
 552    ANV_FROM_HANDLE(anv_device, device, _device);
 553    ANV_FROM_HANDLE(anv_image_view, iview, _iview);
 554
 555    anv_surface_view_fini(device, &iview->view);
 556    anv_device_free(device, iview);
 557
 558    return VK_SUCCESS;
 559 }
 560
 561 void
 562 anv_color_attachment_view_init(struct anv_color_attachment_view *aview,
 563                                struct anv_device *device,
 564                                const VkAttachmentViewCreateInfo* pCreateInfo,
 565                                struct anv_cmd_buffer *cmd_buffer)
 566 {
 567    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 568    struct anv_surface_view *view = &aview->view;
 569    struct anv_surface *surface = &image->primary_surface;
 570
 571    aview->base.attachment_type = ANV_ATTACHMENT_VIEW_TYPE_COLOR;
 572
 573    anv_assert(pCreateInfo->arraySize > 0);
 574    anv_assert(pCreateInfo->mipLevel < image->levels);
 575    anv_assert(pCreateInfo->baseArraySlice + pCreateInfo->arraySize <= image->array_size);
 576
 577    view->bo = image->bo;
 578    view->offset = image->offset + surface->offset;
 579    view->format = anv_format_for_vk_format(pCreateInfo->format);
 580
 581    aview->base.extent = (VkExtent3D) {
 582       .width = anv_minify(image->extent.width, pCreateInfo->mipLevel),
 583       .height = anv_minify(image->extent.height, pCreateInfo->mipLevel),
 584       .depth = anv_minify(image->extent.depth, pCreateInfo->mipLevel),
 585    };
 586
 587    uint32_t depth = 1;
 588    if (pCreateInfo->arraySize > 1) {
 589       depth = pCreateInfo->arraySize;
 590    } else if (image->extent.depth > 1) {
 591       depth = image->extent.depth;
 592    }
 593
 594    if (cmd_buffer) {
 595       view->surface_state =
 596          anv_state_stream_alloc(&cmd_buffer->surface_state_stream, 64, 64);
 597    } else {
 598       view->surface_state =
 599          anv_state_pool_alloc(&device->surface_state_pool, 64, 64);
 600    }
 601
 602    struct GEN8_RENDER_SURFACE_STATE surface_state = {
 603       .SurfaceType = SURFTYPE_2D,
 604       .SurfaceArray = image->array_size > 1,
 605       .SurfaceFormat = view->format->surface_format,
 606       .SurfaceVerticalAlignment = anv_valign[surface->v_align],
 607       .SurfaceHorizontalAlignment = anv_halign[surface->h_align],
 608       .TileMode = surface->tile_mode,
 609       .VerticalLineStride = 0,
 610       .VerticalLineStrideOffset = 0,
 611       .SamplerL2BypassModeDisable = true,
 612       .RenderCacheReadWriteMode = WriteOnlyCache,
 613       .MemoryObjectControlState = GEN8_MOCS,
 614
 615       /* The driver sets BaseMipLevel in SAMPLER_STATE, not here in
 616        * RENDER_SURFACE_STATE. The Broadwell PRM says "it is illegal to have
 617        * both Base Mip Level fields nonzero".
 618        */
 619       .BaseMipLevel = 0.0,
 620
 621       .SurfaceQPitch = surface->qpitch >> 2,
 622       .Height = image->extent.height - 1,
 623       .Width = image->extent.width - 1,
 624       .Depth = depth - 1,
 625       .SurfacePitch = surface->stride - 1,
 626       .MinimumArrayElement = pCreateInfo->baseArraySlice,
 627       .NumberofMultisamples = MULTISAMPLECOUNT_1,
 628       .XOffset = 0,
 629       .YOffset = 0,
 630
 631       /* For render target surfaces, the hardware interprets field MIPCount/LOD as
 632        * LOD. The Broadwell PRM says:
 633        *
 634        *    MIPCountLOD defines the LOD that will be rendered into.
 635        *    SurfaceMinLOD is ignored.
 636        */
 637       .SurfaceMinLOD = 0,
 638       .MIPCountLOD = pCreateInfo->mipLevel,
 639
 640       .AuxiliarySurfaceMode = AUX_NONE,
 641       .RedClearColor = 0,
 642       .GreenClearColor = 0,
 643       .BlueClearColor = 0,
 644       .AlphaClearColor = 0,
 645       .ShaderChannelSelectRed = SCS_RED,
 646       .ShaderChannelSelectGreen = SCS_GREEN,
 647       .ShaderChannelSelectBlue = SCS_BLUE,
 648       .ShaderChannelSelectAlpha = SCS_ALPHA,
 649       .ResourceMinLOD = 0.0,
 650       .SurfaceBaseAddress = { NULL, view->offset },
 651    };
 652
 653    GEN8_RENDER_SURFACE_STATE_pack(NULL, view->surface_state.map, &surface_state);
 654 }
 655
 656 static void
 657 anv_depth_stencil_view_init(struct anv_depth_stencil_view *view,
 658                             const VkAttachmentViewCreateInfo *pCreateInfo)
 659 {
 660    ANV_FROM_HANDLE(anv_image, image, pCreateInfo->image);
 661    struct anv_surface *depth_surface = &image->primary_surface;
 662    struct anv_surface *stencil_surface = &image->stencil_surface;
 663
 664    view->base.attachment_type = ANV_ATTACHMENT_VIEW_TYPE_DEPTH_STENCIL;
 665
 666    /* XXX: We don't handle any of these */
 667    anv_assert(pCreateInfo->mipLevel == 0);
 668    anv_assert(pCreateInfo->baseArraySlice == 0);
 669    anv_assert(pCreateInfo->arraySize == 1);
 670
 671    view->bo = image->bo;
 672
 673    view->depth_stride = depth_surface->stride;
 674    view->depth_offset = image->offset + depth_surface->offset;
 675    view->depth_format = image->format->depth_format;
 676    view->depth_qpitch = 0; /* FINISHME: QPitch */
 677
 678    view->stencil_stride = stencil_surface->stride;
 679    view->stencil_offset = image->offset + stencil_surface->offset;
 680    view->stencil_qpitch = 0; /* FINISHME: QPitch */
 681 }
 682
 683 VkResult
 684 anv_CreateAttachmentView(VkDevice _device,
 685                          const VkAttachmentViewCreateInfo *pCreateInfo,
 686                          VkAttachmentView *pView)
 687 {
 688    ANV_FROM_HANDLE(anv_device, device, _device);
 689
 690    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_ATTACHMENT_VIEW_CREATE_INFO);
 691
 692    const struct anv_format *format =
 693       anv_format_for_vk_format(pCreateInfo->format);
 694
 695    if (anv_format_is_depth_or_stencil(format)) {
 696       struct anv_depth_stencil_view *view =
 697          anv_device_alloc(device, sizeof(*view), 8,
 698                           VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 699       if (view == NULL)
 700          return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 701
 702       anv_depth_stencil_view_init(view, pCreateInfo);
 703
 704       *pView = anv_attachment_view_to_handle(&view->base);
 705    } else {
 706       struct anv_color_attachment_view *view =
 707          anv_device_alloc(device, sizeof(*view), 8,
 708                           VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
 709       if (view == NULL)
 710          return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 711
 712       anv_color_attachment_view_init(view, device, pCreateInfo, NULL);
 713
 714       *pView = anv_attachment_view_to_handle(&view->base);
 715    }
 716
 717    return VK_SUCCESS;
 718 }
 719
 720 VkResult
 721 anv_DestroyAttachmentView(VkDevice _device, VkAttachmentView _view)
 722 {
 723    ANV_FROM_HANDLE(anv_device, device, _device);
 724    ANV_FROM_HANDLE(anv_attachment_view, view, _view);
 725
 726    if (view->attachment_type == ANV_ATTACHMENT_VIEW_TYPE_COLOR) {
 727       struct anv_color_attachment_view *aview =
 728          (struct anv_color_attachment_view *)view;
 729
 730       anv_surface_view_fini(device, &aview->view);
 731    }
 732
 733    anv_device_free(device, view);
 734
 735    return VK_SUCCESS;
 736 }