src/gallium/drivers/zink/zink_screen.c

   1 /*
   2  * Copyright 2018 Collabora Ltd.
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "zink_screen.h"
  25
  26 #include "zink_compiler.h"
  27 #include "zink_context.h"
  28 #include "zink_fence.h"
  29 #include "zink_public.h"
  30 #include "zink_resource.h"
  31
  32 #include "os/os_process.h"
  33 #include "util/u_debug.h"
  34 #include "util/u_format.h"
  35 #include "util/u_math.h"
  36 #include "util/u_memory.h"
  37 #include "util/u_screen.h"
  38 #include "util/u_string.h"
  39
  40 #include "state_tracker/sw_winsys.h"
  41
  42 static const struct debug_named_value
  43 debug_options[] = {
  44    { "nir", ZINK_DEBUG_NIR, "Dump NIR during program compile" },
  45    { "spirv", ZINK_DEBUG_SPIRV, "Dump SPIR-V during program compile" },
  46    { "tgsi", ZINK_DEBUG_TGSI, "Dump TGSI during program compile" },
  47    DEBUG_NAMED_VALUE_END
  48 };
  49
  50 DEBUG_GET_ONCE_FLAGS_OPTION(zink_debug, "ZINK_DEBUG", debug_options, 0)
  51
  52 uint32_t
  53 zink_debug;
  54
  55 static const char *
  56 zink_get_vendor(struct pipe_screen *pscreen)
  57 {
  58    return "Collabora Ltd";
  59 }
  60
  61 static const char *
  62 zink_get_device_vendor(struct pipe_screen *pscreen)
  63 {
  64    struct zink_screen *screen = zink_screen(pscreen);
  65    static char buf[1000];
  66    snprintf(buf, sizeof(buf), "Unknown (vendor-id: 0x%04x)", screen->props.vendorID);
  67    return buf;
  68 }
  69
  70 static const char *
  71 zink_get_name(struct pipe_screen *pscreen)
  72 {
  73    struct zink_screen *screen = zink_screen(pscreen);
  74    static char buf[1000];
  75    snprintf(buf, sizeof(buf), "zink (%s)", screen->props.deviceName);
  76    return buf;
  77 }
  78
  79 static int
  80 get_video_mem(struct zink_screen *screen)
  81 {
  82    VkDeviceSize size = 0;
  83    for (uint32_t i = 0; i < screen->mem_props.memoryHeapCount; ++i)
  84       size += screen->mem_props.memoryHeaps[i].size;
  85    return (int)(size >> 20);
  86 }
  87
  88 static int
  89 zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  90 {
  91    struct zink_screen *screen = zink_screen(pscreen);
  92
  93    switch (param) {
  94    case PIPE_CAP_NPOT_TEXTURES:
  95       return 1;
  96
  97    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
  98       return screen->props.limits.maxFragmentDualSrcAttachments;
  99
 100    case PIPE_CAP_POINT_SPRITE:
 101       return 1;
 102
 103    case PIPE_CAP_MAX_RENDER_TARGETS:
 104       return screen->props.limits.maxColorAttachments;
 105
 106    case PIPE_CAP_OCCLUSION_QUERY:
 107       return 1;
 108
 109 #if 0 /* TODO: Enable me */
 110    case PIPE_CAP_QUERY_TIME_ELAPSED:
 111       return 1;
 112 #endif
 113
 114    case PIPE_CAP_TEXTURE_SWIZZLE:
 115       return 1;
 116
 117    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 118       return screen->props.limits.maxImageDimension2D;
 119    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 120       return 1 + util_logbase2(screen->props.limits.maxImageDimension3D);
 121    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 122       return 1 + util_logbase2(screen->props.limits.maxImageDimensionCube);
 123
 124    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 125       return 1;
 126
 127    case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
 128    case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
 129    case PIPE_CAP_VERTEX_SHADER_SATURATE:
 130       return 1;
 131
 132    case PIPE_CAP_INDEP_BLEND_ENABLE:
 133    case PIPE_CAP_INDEP_BLEND_FUNC:
 134       return 1;
 135
 136    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 137       return screen->props.limits.maxImageArrayLayers;
 138
 139 #if 0 /* TODO: Enable me */
 140    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 141       return 0;
 142 #endif
 143
 144 #if 0 /* TODO: Enable me */
 145    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 146       return 1;
 147 #endif
 148
 149    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 150       return 1;
 151
 152    case PIPE_CAP_MIN_TEXEL_OFFSET:
 153       return screen->props.limits.minTexelOffset;
 154    case PIPE_CAP_MAX_TEXEL_OFFSET:
 155       return screen->props.limits.maxTexelOffset;
 156
 157    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 158       return 1;
 159
 160    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 161    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 162       return 120;
 163
 164 #if 0 /* TODO: Enable me */
 165    case PIPE_CAP_COMPUTE:
 166       return 1;
 167 #endif
 168
 169    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 170       return screen->props.limits.minUniformBufferOffsetAlignment;
 171
 172 #if 0 /* TODO: Enable me */
 173    case PIPE_CAP_QUERY_TIMESTAMP:
 174       return 1;
 175 #endif
 176
 177    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 178       return screen->props.limits.minMemoryMapAlignment;
 179
 180    case PIPE_CAP_CUBE_MAP_ARRAY:
 181       return screen->feats.imageCubeArray;
 182
 183    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 184       return 0; /* unsure */
 185
 186    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 187       return screen->props.limits.maxTexelBufferElements;
 188
 189    case PIPE_CAP_ENDIANNESS:
 190       return PIPE_ENDIAN_NATIVE; /* unsure */
 191
 192    case PIPE_CAP_MAX_VIEWPORTS:
 193       return screen->props.limits.maxViewports;
 194
 195    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 196       return 1;
 197
 198    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 199       return screen->props.limits.maxGeometryOutputVertices;
 200    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 201       return screen->props.limits.maxGeometryOutputComponents;
 202
 203 #if 0 /* TODO: Enable me. Enables ARB_texture_gather */
 204    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 205       return 4;
 206 #endif
 207
 208    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 209       return screen->props.limits.minTexelGatherOffset;
 210    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 211       return screen->props.limits.maxTexelGatherOffset;
 212
 213    case PIPE_CAP_VENDOR_ID:
 214       return screen->props.vendorID;
 215    case PIPE_CAP_DEVICE_ID:
 216       return screen->props.deviceID;
 217
 218    case PIPE_CAP_ACCELERATED:
 219       return 1;
 220    case PIPE_CAP_VIDEO_MEMORY:
 221       return get_video_mem(screen);
 222    case PIPE_CAP_UMA:
 223       return screen->props.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
 224
 225    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 226       return screen->props.limits.maxVertexInputBindingStride;
 227
 228 #if 0 /* TODO: Enable me */
 229    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 230       return 1;
 231 #endif
 232
 233 #if 0 /* TODO: Enable me */
 234    case PIPE_CAP_CLIP_HALFZ:
 235       return 1;
 236 #endif
 237
 238 #if 0 /* TODO: Enable me */
 239    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 240    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 241       return 1;
 242 #endif
 243
 244    case PIPE_CAP_SHAREABLE_SHADERS:
 245       return 1;
 246
 247 #if 0 /* TODO: Enable me. Enables GL_ARB_shader_storage_buffer_object */
 248    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 249       return screen->props.limits.minStorageBufferOffsetAlignment;
 250 #endif
 251
 252    case PIPE_CAP_PCI_GROUP:
 253    case PIPE_CAP_PCI_BUS:
 254    case PIPE_CAP_PCI_DEVICE:
 255    case PIPE_CAP_PCI_FUNCTION:
 256       return 0; /* TODO: figure these out */
 257
 258 #if 0 /* TODO: Enable me */
 259    case PIPE_CAP_CULL_DISTANCE:
 260       return screen->feats.shaderCullDistance;
 261 #endif
 262
 263    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 264       return screen->props.limits.viewportSubPixelBits;
 265
 266    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 267       return 0; /* not sure */
 268
 269    case PIPE_CAP_MAX_GS_INVOCATIONS:
 270       return 0; /* not implemented */
 271
 272    case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
 273       return screen->props.limits.maxDescriptorSetStorageBuffers;
 274
 275    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
 276       return screen->props.limits.maxStorageBufferRange; /* unsure */
 277
 278    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 279    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 280       return 1;
 281
 282    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 283    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 284       return 0;
 285
 286    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 287       return 1;
 288
 289    case PIPE_CAP_NIR_COMPACT_ARRAYS:
 290       return 1;
 291
 292    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 293       return 1;
 294
 295    case PIPE_CAP_FLATSHADE:
 296    case PIPE_CAP_ALPHA_TEST:
 297    case PIPE_CAP_CLIP_PLANES:
 298    case PIPE_CAP_POINT_SIZE_FIXED:
 299    case PIPE_CAP_TWO_SIDED_COLOR:
 300       return 0;
 301
 302    default:
 303       return u_pipe_screen_get_param_defaults(pscreen, param);
 304    }
 305 }
 306
 307 static float
 308 zink_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 309 {
 310    struct zink_screen *screen = zink_screen(pscreen);
 311
 312    switch (param) {
 313    case PIPE_CAPF_MAX_LINE_WIDTH:
 314    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 315       return screen->props.limits.lineWidthRange[1];
 316
 317    case PIPE_CAPF_MAX_POINT_WIDTH:
 318    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 319       return screen->props.limits.pointSizeRange[1];
 320
 321    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 322       return screen->props.limits.maxSamplerAnisotropy;
 323
 324    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 325       return screen->props.limits.maxSamplerLodBias;
 326
 327    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 328    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 329    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 330       return 0.0f; /* not implemented */
 331    }
 332
 333    /* should only get here on unhandled cases */
 334    return 0.0;
 335 }
 336
 337 static int
 338 zink_get_shader_param(struct pipe_screen *pscreen,
 339                        enum pipe_shader_type shader,
 340                        enum pipe_shader_cap param)
 341 {
 342    struct zink_screen *screen = zink_screen(pscreen);
 343
 344    switch (param) {
 345    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 346    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 347    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 348    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 349    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 350       if (shader == PIPE_SHADER_VERTEX ||
 351           shader == PIPE_SHADER_FRAGMENT)
 352          return INT_MAX;
 353       return 0;
 354
 355    case PIPE_SHADER_CAP_MAX_INPUTS:
 356       switch (shader) {
 357       case PIPE_SHADER_VERTEX:
 358          return MIN2(screen->props.limits.maxVertexInputAttributes,
 359                      PIPE_MAX_SHADER_INPUTS);
 360       case PIPE_SHADER_FRAGMENT:
 361          return MIN2(screen->props.limits.maxFragmentInputComponents / 4,
 362                      PIPE_MAX_SHADER_INPUTS);
 363       default:
 364          return 0; /* unsupported stage */
 365       }
 366
 367    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 368       switch (shader) {
 369       case PIPE_SHADER_VERTEX:
 370          return MIN2(screen->props.limits.maxVertexOutputComponents / 4,
 371                      PIPE_MAX_SHADER_OUTPUTS);
 372       case PIPE_SHADER_FRAGMENT:
 373          return MIN2(screen->props.limits.maxColorAttachments,
 374                 PIPE_MAX_SHADER_OUTPUTS);
 375       default:
 376          return 0; /* unsupported stage */
 377       }
 378
 379    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 380       /* this might be a bit simplistic... */
 381       return MIN2(screen->props.limits.maxPerStageDescriptorSamplers,
 382                   PIPE_MAX_SAMPLERS);
 383
 384    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 385       return MIN2(screen->props.limits.maxUniformBufferRange, INT_MAX);
 386
 387    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 388       return screen->props.limits.maxPerStageDescriptorUniformBuffers;
 389
 390    case PIPE_SHADER_CAP_MAX_TEMPS:
 391       return INT_MAX;
 392
 393    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 394    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 395    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 396    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 397    case PIPE_SHADER_CAP_SUBROUTINES:
 398    case PIPE_SHADER_CAP_INTEGERS:
 399    case PIPE_SHADER_CAP_INT64_ATOMICS:
 400    case PIPE_SHADER_CAP_FP16:
 401       return 0; /* not implemented */
 402
 403    case PIPE_SHADER_CAP_PREFERRED_IR:
 404       return PIPE_SHADER_IR_NIR;
 405
 406    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 407       return 0; /* not implemented */
 408
 409    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 410       return MIN2(screen->props.limits.maxPerStageDescriptorSampledImages,
 411                   PIPE_MAX_SHADER_SAMPLER_VIEWS);
 412
 413    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 414    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 415    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 416       return 0; /* not implemented */
 417
 418    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 419       return 0; /* no idea */
 420
 421    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 422       return 32; /* arbitrary */
 423
 424    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 425       /* TODO: this limitation is dumb, and will need some fixes in mesa */
 426       return MIN2(screen->props.limits.maxPerStageDescriptorStorageBuffers, 8);
 427
 428    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 429       return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
 430
 431    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 432       return MIN2(screen->props.limits.maxPerStageDescriptorStorageImages,
 433                   PIPE_MAX_SHADER_IMAGES);
 434
 435    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 436    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 437       return 0; /* unsure */
 438
 439    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 440    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 441    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 442    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 443       return 0; /* not implemented */
 444    }
 445
 446    /* should only get here on unhandled cases */
 447    return 0;
 448 }
 449
 450 static const VkFormat formats[PIPE_FORMAT_COUNT] = {
 451 #define MAP_FORMAT_NORM(FMT) \
 452    [PIPE_FORMAT_ ## FMT ## _UNORM] = VK_FORMAT_ ## FMT ## _UNORM, \
 453    [PIPE_FORMAT_ ## FMT ## _SNORM] = VK_FORMAT_ ## FMT ## _SNORM,
 454
 455 #define MAP_FORMAT_SCALED(FMT) \
 456    [PIPE_FORMAT_ ## FMT ## _USCALED] = VK_FORMAT_ ## FMT ## _USCALED, \
 457    [PIPE_FORMAT_ ## FMT ## _SSCALED] = VK_FORMAT_ ## FMT ## _SSCALED,
 458
 459 #define MAP_FORMAT_INT(FMT) \
 460    [PIPE_FORMAT_ ## FMT ## _UINT] = VK_FORMAT_ ## FMT ## _UINT, \
 461    [PIPE_FORMAT_ ## FMT ## _SINT] = VK_FORMAT_ ## FMT ## _SINT,
 462
 463 #define MAP_FORMAT_SRGB(FMT) \
 464    [PIPE_FORMAT_ ## FMT ## _SRGB] = VK_FORMAT_ ## FMT ## _SRGB,
 465
 466 #define MAP_FORMAT_FLOAT(FMT) \
 467    [PIPE_FORMAT_ ## FMT ## _FLOAT] = VK_FORMAT_ ## FMT ## _SFLOAT,
 468
 469    // one component
 470
 471    // 8-bits
 472    MAP_FORMAT_NORM(R8)
 473    MAP_FORMAT_SCALED(R8)
 474    MAP_FORMAT_INT(R8)
 475    // 16-bits
 476    MAP_FORMAT_NORM(R16)
 477    MAP_FORMAT_SCALED(R16)
 478    MAP_FORMAT_INT(R16)
 479    MAP_FORMAT_FLOAT(R16)
 480    // 32-bits
 481    MAP_FORMAT_INT(R32)
 482    MAP_FORMAT_FLOAT(R32)
 483
 484    // two components
 485
 486    // 8-bits
 487    MAP_FORMAT_NORM(R8G8)
 488    MAP_FORMAT_SCALED(R8G8)
 489    MAP_FORMAT_INT(R8G8)
 490    // 16-bits
 491    MAP_FORMAT_NORM(R16G16)
 492    MAP_FORMAT_SCALED(R16G16)
 493    MAP_FORMAT_INT(R16G16)
 494    MAP_FORMAT_FLOAT(R16G16)
 495    // 32-bits
 496    MAP_FORMAT_INT(R32G32)
 497    MAP_FORMAT_FLOAT(R32G32)
 498
 499    // three components
 500
 501    // 8-bits
 502    MAP_FORMAT_NORM(R8G8B8)
 503    MAP_FORMAT_SCALED(R8G8B8)
 504    MAP_FORMAT_INT(R8G8B8)
 505    MAP_FORMAT_SRGB(R8G8B8)
 506    // 16-bits
 507    MAP_FORMAT_NORM(R16G16B16)
 508    MAP_FORMAT_SCALED(R16G16B16)
 509    MAP_FORMAT_INT(R16G16B16)
 510    MAP_FORMAT_FLOAT(R16G16B16)
 511    // 32-bits
 512    MAP_FORMAT_INT(R32G32B32)
 513    MAP_FORMAT_FLOAT(R32G32B32)
 514
 515    // four components
 516
 517    // 8-bits
 518    MAP_FORMAT_NORM(R8G8B8A8)
 519    MAP_FORMAT_SCALED(R8G8B8A8)
 520    MAP_FORMAT_INT(R8G8B8A8)
 521    MAP_FORMAT_SRGB(R8G8B8A8)
 522    [PIPE_FORMAT_B8G8R8A8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
 523    [PIPE_FORMAT_B8G8R8X8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
 524    MAP_FORMAT_SRGB(B8G8R8A8)
 525    [PIPE_FORMAT_A8B8G8R8_SRGB] = VK_FORMAT_A8B8G8R8_SRGB_PACK32,
 526    // 16-bits
 527    MAP_FORMAT_NORM(R16G16B16A16)
 528    MAP_FORMAT_SCALED(R16G16B16A16)
 529    MAP_FORMAT_INT(R16G16B16A16)
 530    MAP_FORMAT_FLOAT(R16G16B16A16)
 531    // 32-bits
 532    MAP_FORMAT_INT(R32G32B32A32)
 533    MAP_FORMAT_FLOAT(R32G32B32A32)
 534
 535    // other color formats
 536    [PIPE_FORMAT_B5G6R5_UNORM] = VK_FORMAT_R5G6B5_UNORM_PACK16,
 537    [PIPE_FORMAT_B5G5R5A1_UNORM] = VK_FORMAT_B5G5R5A1_UNORM_PACK16,
 538    [PIPE_FORMAT_R11G11B10_FLOAT] = VK_FORMAT_B10G11R11_UFLOAT_PACK32,
 539    [PIPE_FORMAT_R9G9B9E5_FLOAT] = VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
 540    [PIPE_FORMAT_R10G10B10A2_UNORM] = VK_FORMAT_A2B10G10R10_UNORM_PACK32,
 541    [PIPE_FORMAT_B10G10R10A2_UNORM] = VK_FORMAT_A2R10G10B10_UNORM_PACK32,
 542    [PIPE_FORMAT_R10G10B10A2_UINT] = VK_FORMAT_A2B10G10R10_UINT_PACK32,
 543    [PIPE_FORMAT_B10G10R10A2_UINT] = VK_FORMAT_A2R10G10B10_UINT_PACK32,
 544
 545    // depth/stencil formats
 546    [PIPE_FORMAT_Z32_FLOAT] = VK_FORMAT_D32_SFLOAT,
 547    [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = VK_FORMAT_D32_SFLOAT_S8_UINT,
 548    [PIPE_FORMAT_Z16_UNORM] = VK_FORMAT_D16_UNORM,
 549    [PIPE_FORMAT_X8Z24_UNORM] = VK_FORMAT_X8_D24_UNORM_PACK32,
 550    [PIPE_FORMAT_Z24_UNORM_S8_UINT] = VK_FORMAT_D24_UNORM_S8_UINT,
 551
 552    // compressed formats
 553    [PIPE_FORMAT_DXT1_RGB] = VK_FORMAT_BC1_RGB_UNORM_BLOCK,
 554    [PIPE_FORMAT_DXT1_RGBA] = VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
 555    [PIPE_FORMAT_DXT3_RGBA] = VK_FORMAT_BC2_UNORM_BLOCK,
 556    [PIPE_FORMAT_DXT5_RGBA] = VK_FORMAT_BC3_UNORM_BLOCK,
 557    [PIPE_FORMAT_DXT1_SRGB] = VK_FORMAT_BC1_RGB_SRGB_BLOCK,
 558    [PIPE_FORMAT_DXT1_SRGBA] = VK_FORMAT_BC1_RGBA_SRGB_BLOCK,
 559    [PIPE_FORMAT_DXT3_SRGBA] = VK_FORMAT_BC2_SRGB_BLOCK,
 560    [PIPE_FORMAT_DXT5_SRGBA] = VK_FORMAT_BC3_SRGB_BLOCK,
 561
 562    [PIPE_FORMAT_RGTC1_UNORM] = VK_FORMAT_BC4_UNORM_BLOCK,
 563    [PIPE_FORMAT_RGTC1_SNORM] = VK_FORMAT_BC4_SNORM_BLOCK,
 564    [PIPE_FORMAT_RGTC2_UNORM] = VK_FORMAT_BC5_UNORM_BLOCK,
 565    [PIPE_FORMAT_RGTC2_SNORM] = VK_FORMAT_BC5_SNORM_BLOCK,
 566    [PIPE_FORMAT_BPTC_RGBA_UNORM] = VK_FORMAT_BC7_UNORM_BLOCK,
 567    [PIPE_FORMAT_BPTC_SRGBA] = VK_FORMAT_BC7_SRGB_BLOCK,
 568    [PIPE_FORMAT_BPTC_RGB_FLOAT] = VK_FORMAT_BC6H_SFLOAT_BLOCK,
 569    [PIPE_FORMAT_BPTC_RGB_UFLOAT] = VK_FORMAT_BC6H_UFLOAT_BLOCK,
 570 };
 571
 572 VkFormat
 573 zink_get_format(enum pipe_format format)
 574 {
 575    return formats[format];
 576 }
 577
 578 static VkSampleCountFlagBits
 579 vk_sample_count_flags(uint32_t sample_count)
 580 {
 581    switch (sample_count) {
 582    case 1: return VK_SAMPLE_COUNT_1_BIT;
 583    case 2: return VK_SAMPLE_COUNT_2_BIT;
 584    case 4: return VK_SAMPLE_COUNT_4_BIT;
 585    case 8: return VK_SAMPLE_COUNT_8_BIT;
 586    case 16: return VK_SAMPLE_COUNT_16_BIT;
 587    case 32: return VK_SAMPLE_COUNT_32_BIT;
 588    case 64: return VK_SAMPLE_COUNT_64_BIT;
 589    default:
 590       return 0;
 591    }
 592 }
 593
 594 static bool
 595 zink_is_format_supported(struct pipe_screen *pscreen,
 596                          enum pipe_format format,
 597                          enum pipe_texture_target target,
 598                          unsigned sample_count,
 599                          unsigned storage_sample_count,
 600                          unsigned bind)
 601 {
 602    struct zink_screen *screen = zink_screen(pscreen);
 603
 604    if (format == PIPE_FORMAT_NONE)
 605       return screen->props.limits.framebufferNoAttachmentsSampleCounts &
 606              vk_sample_count_flags(sample_count);
 607
 608    VkFormat vkformat = formats[format];
 609    if (vkformat == VK_FORMAT_UNDEFINED)
 610       return FALSE;
 611
 612    if (sample_count >= 1) {
 613       VkSampleCountFlagBits sample_mask = vk_sample_count_flags(sample_count);
 614       const struct util_format_description *desc = util_format_description(format);
 615       if (util_format_is_depth_or_stencil(format)) {
 616          if (util_format_has_depth(desc)) {
 617             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 618                 (screen->props.limits.framebufferDepthSampleCounts & sample_mask) != sample_mask)
 619                return FALSE;
 620             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 621                 (screen->props.limits.sampledImageDepthSampleCounts & sample_mask) != sample_mask)
 622                return FALSE;
 623          }
 624          if (util_format_has_stencil(desc)) {
 625             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 626                 (screen->props.limits.framebufferStencilSampleCounts & sample_mask) != sample_mask)
 627                return FALSE;
 628             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 629                 (screen->props.limits.sampledImageStencilSampleCounts & sample_mask) != sample_mask)
 630                return FALSE;
 631          }
 632       } else if (util_format_is_pure_integer(format)) {
 633          if (bind & PIPE_BIND_RENDER_TARGET &&
 634              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 635             return FALSE;
 636          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 637              !(screen->props.limits.sampledImageIntegerSampleCounts & sample_mask))
 638             return FALSE;
 639       } else {
 640          if (bind & PIPE_BIND_RENDER_TARGET &&
 641              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 642             return FALSE;
 643          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 644              !(screen->props.limits.sampledImageColorSampleCounts & sample_mask))
 645             return FALSE;
 646       }
 647    }
 648
 649    VkFormatProperties props;
 650    vkGetPhysicalDeviceFormatProperties(screen->pdev, vkformat, &props);
 651
 652    if (target == PIPE_BUFFER) {
 653       if (bind & PIPE_BIND_VERTEX_BUFFER &&
 654           !(props.bufferFeatures & VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT))
 655          return FALSE;
 656    } else {
 657       /* all other targets are texture-targets */
 658       if (bind & PIPE_BIND_RENDER_TARGET &&
 659           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
 660          return FALSE;
 661
 662       if (bind & PIPE_BIND_BLENDABLE &&
 663          !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
 664         return FALSE;
 665
 666       if (bind & PIPE_BIND_SAMPLER_VIEW &&
 667           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
 668          return FALSE;
 669
 670       if (bind & PIPE_BIND_DEPTH_STENCIL &&
 671           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
 672          return FALSE;
 673    }
 674
 675    if (util_format_is_compressed(format)) {
 676       const struct util_format_description *desc = util_format_description(format);
 677       if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC &&
 678           !screen->feats.textureCompressionBC)
 679          return FALSE;
 680    }
 681
 682    return TRUE;
 683 }
 684
 685 static void
 686 zink_destroy_screen(struct pipe_screen *pscreen)
 687 {
 688    struct zink_screen *screen = zink_screen(pscreen);
 689    slab_destroy_parent(&screen->transfer_pool);
 690    FREE(screen);
 691 }
 692
 693 static VkInstance
 694 create_instance()
 695 {
 696    VkApplicationInfo ai = {};
 697    ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
 698
 699    char proc_name[128];
 700    if (os_get_process_name(proc_name, ARRAY_SIZE(proc_name)))
 701       ai.pApplicationName = proc_name;
 702    else
 703       ai.pApplicationName = "unknown";
 704
 705    ai.pEngineName = "mesa zink";
 706    ai.apiVersion = VK_API_VERSION_1_0;
 707
 708    const char *extensions[] = {
 709       VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
 710       VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
 711    };
 712
 713    VkInstanceCreateInfo ici = {};
 714    ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
 715    ici.pApplicationInfo = &ai;
 716    ici.ppEnabledExtensionNames = extensions;
 717    ici.enabledExtensionCount = ARRAY_SIZE(extensions);
 718
 719    VkInstance instance = VK_NULL_HANDLE;
 720    VkResult err = vkCreateInstance(&ici, NULL, &instance);
 721    if (err != VK_SUCCESS)
 722       return VK_NULL_HANDLE;
 723
 724    return instance;
 725 }
 726
 727 static VkPhysicalDevice
 728 choose_pdev(const VkInstance instance)
 729 {
 730    uint32_t i, pdev_count;
 731    VkPhysicalDevice *pdevs, pdev;
 732    vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
 733    assert(pdev_count > 0);
 734
 735    pdevs = malloc(sizeof(*pdevs) * pdev_count);
 736    vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
 737    assert(pdev_count > 0);
 738
 739    pdev = pdevs[0];
 740    for (i = 0; i < pdev_count; ++i) {
 741       VkPhysicalDeviceProperties props;
 742       vkGetPhysicalDeviceProperties(pdevs[i], &props);
 743       if (props.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
 744          pdev = pdevs[i];
 745          break;
 746       }
 747    }
 748    free(pdevs);
 749    return pdev;
 750 }
 751
 752 static uint32_t
 753 find_gfx_queue(const VkPhysicalDevice pdev)
 754 {
 755    uint32_t num_queues;
 756    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, NULL);
 757    assert(num_queues > 0);
 758
 759    VkQueueFamilyProperties *props = malloc(sizeof(*props) * num_queues);
 760    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, props);
 761
 762    for (uint32_t i = 0; i < num_queues; i++) {
 763       if (props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
 764          free(props);
 765          return i;
 766       }
 767    }
 768
 769    return UINT32_MAX;
 770 }
 771
 772 static void
 773 zink_flush_frontbuffer(struct pipe_screen *pscreen,
 774                        struct pipe_resource *pres,
 775                        unsigned level, unsigned layer,
 776                        void *winsys_drawable_handle,
 777                        struct pipe_box *sub_box)
 778 {
 779    struct zink_screen *screen = zink_screen(pscreen);
 780    struct sw_winsys *winsys = screen->winsys;
 781    struct zink_resource *res = zink_resource(pres);
 782
 783    if (!winsys)
 784      return;
 785    void *map = winsys->displaytarget_map(winsys, res->dt, 0);
 786
 787    if (map) {
 788       VkImageSubresource isr = {};
 789       isr.aspectMask = res->aspect;
 790       isr.mipLevel = level;
 791       isr.arrayLayer = layer;
 792       VkSubresourceLayout layout;
 793       vkGetImageSubresourceLayout(screen->dev, res->image, &isr, &layout);
 794
 795       void *ptr;
 796       VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 797       if (result != VK_SUCCESS) {
 798          debug_printf("failed to map memory for display\n");
 799          return;
 800       }
 801       for (int i = 0; i < pres->height0; ++i) {
 802          uint8_t *src = (uint8_t *)ptr + i * layout.rowPitch;
 803          uint8_t *dst = (uint8_t *)map + i * res->dt_stride;
 804          memcpy(dst, src, res->dt_stride);
 805       }
 806       vkUnmapMemory(screen->dev, res->mem);
 807    }
 808
 809    winsys->displaytarget_unmap(winsys, res->dt);
 810
 811    assert(res->dt);
 812    if (res->dt)
 813       winsys->displaytarget_display(winsys, res->dt, winsys_drawable_handle, sub_box);
 814 }
 815
 816 static struct pipe_screen *
 817 zink_internal_create_screen(struct sw_winsys *winsys, int fd)
 818 {
 819    struct zink_screen *screen = CALLOC_STRUCT(zink_screen);
 820    if (!screen)
 821       return NULL;
 822
 823    zink_debug = debug_get_option_zink_debug();
 824
 825    screen->instance = create_instance();
 826    screen->pdev = choose_pdev(screen->instance);
 827    screen->gfx_queue = find_gfx_queue(screen->pdev);
 828
 829    vkGetPhysicalDeviceProperties(screen->pdev, &screen->props);
 830    vkGetPhysicalDeviceFeatures(screen->pdev, &screen->feats);
 831    vkGetPhysicalDeviceMemoryProperties(screen->pdev, &screen->mem_props);
 832
 833    uint32_t num_extensions = 0;
 834    if (vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 835        &num_extensions, NULL) == VK_SUCCESS && num_extensions > 0) {
 836       VkExtensionProperties *extensions = MALLOC(sizeof(VkExtensionProperties) *
 837                                                 num_extensions);
 838       if (extensions) {
 839          vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 840                                               &num_extensions, extensions);
 841
 842          for (uint32_t  i = 0; i < num_extensions; ++i) {
 843             if (!strcmp(extensions[i].extensionName,
 844                 VK_KHR_MAINTENANCE1_EXTENSION_NAME))
 845                screen->have_KHR_maintenance1 = true;
 846          }
 847          FREE(extensions);
 848       }
 849    }
 850
 851    if (!screen->have_KHR_maintenance1) {
 852       debug_printf("ZINK: VK_KHR_maintenance1 required!\n");
 853       goto fail;
 854    }
 855
 856    VkDeviceQueueCreateInfo qci = {};
 857    float dummy = 0.0f;
 858    qci.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
 859    qci.queueFamilyIndex = screen->gfx_queue;
 860    qci.queueCount = 1;
 861    qci.pQueuePriorities = &dummy;
 862
 863    VkDeviceCreateInfo dci = {};
 864    dci.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 865    dci.queueCreateInfoCount = 1;
 866    dci.pQueueCreateInfos = &qci;
 867    dci.pEnabledFeatures = &screen->feats;
 868    const char *extensions[] = {
 869       VK_KHR_MAINTENANCE1_EXTENSION_NAME,
 870       VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
 871       VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
 872    };
 873    dci.ppEnabledExtensionNames = extensions;
 874    dci.enabledExtensionCount = ARRAY_SIZE(extensions);
 875    if (vkCreateDevice(screen->pdev, &dci, NULL, &screen->dev) != VK_SUCCESS)
 876       goto fail;
 877
 878    screen->winsys = winsys;
 879
 880    screen->base.get_name = zink_get_name;
 881    screen->base.get_vendor = zink_get_vendor;
 882    screen->base.get_device_vendor = zink_get_device_vendor;
 883    screen->base.get_param = zink_get_param;
 884    screen->base.get_paramf = zink_get_paramf;
 885    screen->base.get_shader_param = zink_get_shader_param;
 886    screen->base.get_compiler_options = zink_get_compiler_options;
 887    screen->base.is_format_supported = zink_is_format_supported;
 888    screen->base.context_create = zink_context_create;
 889    screen->base.flush_frontbuffer = zink_flush_frontbuffer;
 890    screen->base.destroy = zink_destroy_screen;
 891
 892    zink_screen_resource_init(&screen->base);
 893    zink_screen_fence_init(&screen->base);
 894
 895    slab_create_parent(&screen->transfer_pool, sizeof(struct zink_transfer), 16);
 896
 897    return &screen->base;
 898
 899 fail:
 900    FREE(screen);
 901    return NULL;
 902 }
 903
 904 struct pipe_screen *
 905 zink_create_screen(struct sw_winsys *winsys)
 906 {
 907    return zink_internal_create_screen(winsys, -1);
 908 }
 909
 910 struct pipe_screen *
 911 zink_drm_create_screen(int fd)
 912 {
 913    return zink_internal_create_screen(NULL, fd);
 914 }