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       return 0;
 300
 301    default:
 302       return u_pipe_screen_get_param_defaults(pscreen, param);
 303    }
 304 }
 305
 306 static float
 307 zink_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 308 {
 309    struct zink_screen *screen = zink_screen(pscreen);
 310
 311    switch (param) {
 312    case PIPE_CAPF_MAX_LINE_WIDTH:
 313    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 314       return screen->props.limits.lineWidthRange[1];
 315
 316    case PIPE_CAPF_MAX_POINT_WIDTH:
 317    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 318       return screen->props.limits.pointSizeRange[1];
 319
 320    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 321       return screen->props.limits.maxSamplerAnisotropy;
 322
 323    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 324       return screen->props.limits.maxSamplerLodBias;
 325
 326    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 327    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 328    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 329       return 0.0f; /* not implemented */
 330    }
 331
 332    /* should only get here on unhandled cases */
 333    return 0.0;
 334 }
 335
 336 static int
 337 zink_get_shader_param(struct pipe_screen *pscreen,
 338                        enum pipe_shader_type shader,
 339                        enum pipe_shader_cap param)
 340 {
 341    struct zink_screen *screen = zink_screen(pscreen);
 342
 343    switch (param) {
 344    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 345    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 346    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 347    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 348    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 349       if (shader == PIPE_SHADER_VERTEX ||
 350           shader == PIPE_SHADER_FRAGMENT)
 351          return INT_MAX;
 352       return 0;
 353
 354    case PIPE_SHADER_CAP_MAX_INPUTS:
 355       switch (shader) {
 356       case PIPE_SHADER_VERTEX:
 357          return MIN2(screen->props.limits.maxVertexInputAttributes,
 358                      PIPE_MAX_SHADER_INPUTS);
 359       case PIPE_SHADER_FRAGMENT:
 360          return MIN2(screen->props.limits.maxFragmentInputComponents / 4,
 361                      PIPE_MAX_SHADER_INPUTS);
 362       default:
 363          return 0; /* unsupported stage */
 364       }
 365
 366    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 367       switch (shader) {
 368       case PIPE_SHADER_VERTEX:
 369          return MIN2(screen->props.limits.maxVertexOutputComponents / 4,
 370                      PIPE_MAX_SHADER_OUTPUTS);
 371       case PIPE_SHADER_FRAGMENT:
 372          return MIN2(screen->props.limits.maxColorAttachments,
 373                 PIPE_MAX_SHADER_OUTPUTS);
 374       default:
 375          return 0; /* unsupported stage */
 376       }
 377
 378    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 379       /* this might be a bit simplistic... */
 380       return MIN2(screen->props.limits.maxPerStageDescriptorSamplers,
 381                   PIPE_MAX_SAMPLERS);
 382
 383    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 384       return MIN2(screen->props.limits.maxUniformBufferRange, INT_MAX);
 385
 386    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 387       return screen->props.limits.maxPerStageDescriptorUniformBuffers;
 388
 389    case PIPE_SHADER_CAP_MAX_TEMPS:
 390       return INT_MAX;
 391
 392    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 393    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 394    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 395    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 396    case PIPE_SHADER_CAP_SUBROUTINES:
 397    case PIPE_SHADER_CAP_INTEGERS:
 398    case PIPE_SHADER_CAP_INT64_ATOMICS:
 399    case PIPE_SHADER_CAP_FP16:
 400       return 0; /* not implemented */
 401
 402    case PIPE_SHADER_CAP_PREFERRED_IR:
 403       return PIPE_SHADER_IR_NIR;
 404
 405    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 406       return 0; /* not implemented */
 407
 408    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 409       return MIN2(screen->props.limits.maxPerStageDescriptorSampledImages,
 410                   PIPE_MAX_SHADER_SAMPLER_VIEWS);
 411
 412    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 413    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 414    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 415       return 0; /* not implemented */
 416
 417    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 418       return 0; /* no idea */
 419
 420    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 421       return 32; /* arbitrary */
 422
 423    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 424       /* TODO: this limitation is dumb, and will need some fixes in mesa */
 425       return MIN2(screen->props.limits.maxPerStageDescriptorStorageBuffers, 8);
 426
 427    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 428       return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
 429
 430    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 431       return MIN2(screen->props.limits.maxPerStageDescriptorStorageImages,
 432                   PIPE_MAX_SHADER_IMAGES);
 433
 434    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 435    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 436       return 0; /* unsure */
 437
 438    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 439    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 440    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 441    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 442       return 0; /* not implemented */
 443    }
 444
 445    /* should only get here on unhandled cases */
 446    return 0;
 447 }
 448
 449 static const VkFormat formats[PIPE_FORMAT_COUNT] = {
 450 #define MAP_FORMAT_NORM(FMT) \
 451    [PIPE_FORMAT_ ## FMT ## _UNORM] = VK_FORMAT_ ## FMT ## _UNORM, \
 452    [PIPE_FORMAT_ ## FMT ## _SNORM] = VK_FORMAT_ ## FMT ## _SNORM,
 453
 454 #define MAP_FORMAT_SCALED(FMT) \
 455    [PIPE_FORMAT_ ## FMT ## _USCALED] = VK_FORMAT_ ## FMT ## _USCALED, \
 456    [PIPE_FORMAT_ ## FMT ## _SSCALED] = VK_FORMAT_ ## FMT ## _SSCALED,
 457
 458 #define MAP_FORMAT_INT(FMT) \
 459    [PIPE_FORMAT_ ## FMT ## _UINT] = VK_FORMAT_ ## FMT ## _UINT, \
 460    [PIPE_FORMAT_ ## FMT ## _SINT] = VK_FORMAT_ ## FMT ## _SINT,
 461
 462 #define MAP_FORMAT_SRGB(FMT) \
 463    [PIPE_FORMAT_ ## FMT ## _SRGB] = VK_FORMAT_ ## FMT ## _SRGB,
 464
 465 #define MAP_FORMAT_FLOAT(FMT) \
 466    [PIPE_FORMAT_ ## FMT ## _FLOAT] = VK_FORMAT_ ## FMT ## _SFLOAT,
 467
 468    // one component
 469
 470    // 8-bits
 471    MAP_FORMAT_NORM(R8)
 472    MAP_FORMAT_SCALED(R8)
 473    MAP_FORMAT_INT(R8)
 474    // 16-bits
 475    MAP_FORMAT_NORM(R16)
 476    MAP_FORMAT_SCALED(R16)
 477    MAP_FORMAT_INT(R16)
 478    MAP_FORMAT_FLOAT(R16)
 479    // 32-bits
 480    MAP_FORMAT_INT(R32)
 481    MAP_FORMAT_FLOAT(R32)
 482
 483    // two components
 484
 485    // 8-bits
 486    MAP_FORMAT_NORM(R8G8)
 487    MAP_FORMAT_SCALED(R8G8)
 488    MAP_FORMAT_INT(R8G8)
 489    // 16-bits
 490    MAP_FORMAT_NORM(R16G16)
 491    MAP_FORMAT_SCALED(R16G16)
 492    MAP_FORMAT_INT(R16G16)
 493    MAP_FORMAT_FLOAT(R16G16)
 494    // 32-bits
 495    MAP_FORMAT_INT(R32G32)
 496    MAP_FORMAT_FLOAT(R32G32)
 497
 498    // three components
 499
 500    // 8-bits
 501    MAP_FORMAT_NORM(R8G8B8)
 502    MAP_FORMAT_SCALED(R8G8B8)
 503    MAP_FORMAT_INT(R8G8B8)
 504    MAP_FORMAT_SRGB(R8G8B8)
 505    // 16-bits
 506    MAP_FORMAT_NORM(R16G16B16)
 507    MAP_FORMAT_SCALED(R16G16B16)
 508    MAP_FORMAT_INT(R16G16B16)
 509    MAP_FORMAT_FLOAT(R16G16B16)
 510    // 32-bits
 511    MAP_FORMAT_INT(R32G32B32)
 512    MAP_FORMAT_FLOAT(R32G32B32)
 513
 514    // four components
 515
 516    // 8-bits
 517    MAP_FORMAT_NORM(R8G8B8A8)
 518    MAP_FORMAT_SCALED(R8G8B8A8)
 519    MAP_FORMAT_INT(R8G8B8A8)
 520    MAP_FORMAT_SRGB(R8G8B8A8)
 521    [PIPE_FORMAT_B8G8R8A8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
 522    MAP_FORMAT_SRGB(B8G8R8A8)
 523    [PIPE_FORMAT_A8B8G8R8_SRGB] = VK_FORMAT_A8B8G8R8_SRGB_PACK32,
 524    // 16-bits
 525    MAP_FORMAT_NORM(R16G16B16A16)
 526    MAP_FORMAT_SCALED(R16G16B16A16)
 527    MAP_FORMAT_INT(R16G16B16A16)
 528    MAP_FORMAT_FLOAT(R16G16B16A16)
 529    // 32-bits
 530    MAP_FORMAT_INT(R32G32B32A32)
 531    MAP_FORMAT_FLOAT(R32G32B32A32)
 532
 533    // other color formats
 534    [PIPE_FORMAT_B5G6R5_UNORM] = VK_FORMAT_R5G6B5_UNORM_PACK16,
 535    [PIPE_FORMAT_B5G5R5A1_UNORM] = VK_FORMAT_B5G5R5A1_UNORM_PACK16,
 536    [PIPE_FORMAT_R11G11B10_FLOAT] = VK_FORMAT_B10G11R11_UFLOAT_PACK32,
 537    [PIPE_FORMAT_R9G9B9E5_FLOAT] = VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
 538    [PIPE_FORMAT_R10G10B10A2_UNORM] = VK_FORMAT_A2B10G10R10_UNORM_PACK32,
 539    [PIPE_FORMAT_B10G10R10A2_UNORM] = VK_FORMAT_A2R10G10B10_UNORM_PACK32,
 540    [PIPE_FORMAT_R10G10B10A2_UINT] = VK_FORMAT_A2B10G10R10_UINT_PACK32,
 541    [PIPE_FORMAT_B10G10R10A2_UINT] = VK_FORMAT_A2R10G10B10_UINT_PACK32,
 542
 543    // depth/stencil formats
 544    [PIPE_FORMAT_Z32_FLOAT] = VK_FORMAT_D32_SFLOAT,
 545    [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = VK_FORMAT_D32_SFLOAT_S8_UINT,
 546    [PIPE_FORMAT_Z16_UNORM] = VK_FORMAT_D16_UNORM,
 547    [PIPE_FORMAT_X8Z24_UNORM] = VK_FORMAT_X8_D24_UNORM_PACK32,
 548    [PIPE_FORMAT_Z24_UNORM_S8_UINT] = VK_FORMAT_D24_UNORM_S8_UINT,
 549
 550    // compressed formats
 551    [PIPE_FORMAT_DXT1_RGB] = VK_FORMAT_BC1_RGB_UNORM_BLOCK,
 552    [PIPE_FORMAT_DXT1_RGBA] = VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
 553    [PIPE_FORMAT_DXT3_RGBA] = VK_FORMAT_BC2_UNORM_BLOCK,
 554    [PIPE_FORMAT_DXT5_RGBA] = VK_FORMAT_BC3_UNORM_BLOCK,
 555    [PIPE_FORMAT_DXT1_SRGB] = VK_FORMAT_BC1_RGB_SRGB_BLOCK,
 556    [PIPE_FORMAT_DXT1_SRGBA] = VK_FORMAT_BC1_RGBA_SRGB_BLOCK,
 557    [PIPE_FORMAT_DXT3_SRGBA] = VK_FORMAT_BC2_SRGB_BLOCK,
 558    [PIPE_FORMAT_DXT5_SRGBA] = VK_FORMAT_BC3_SRGB_BLOCK,
 559
 560    [PIPE_FORMAT_RGTC1_UNORM] = VK_FORMAT_BC4_UNORM_BLOCK,
 561    [PIPE_FORMAT_RGTC1_SNORM] = VK_FORMAT_BC4_SNORM_BLOCK,
 562    [PIPE_FORMAT_RGTC2_UNORM] = VK_FORMAT_BC5_UNORM_BLOCK,
 563    [PIPE_FORMAT_RGTC2_SNORM] = VK_FORMAT_BC5_SNORM_BLOCK,
 564    [PIPE_FORMAT_BPTC_RGBA_UNORM] = VK_FORMAT_BC7_UNORM_BLOCK,
 565    [PIPE_FORMAT_BPTC_SRGBA] = VK_FORMAT_BC7_SRGB_BLOCK,
 566    [PIPE_FORMAT_BPTC_RGB_FLOAT] = VK_FORMAT_BC6H_SFLOAT_BLOCK,
 567    [PIPE_FORMAT_BPTC_RGB_UFLOAT] = VK_FORMAT_BC6H_UFLOAT_BLOCK,
 568 };
 569
 570 VkFormat
 571 zink_get_format(enum pipe_format format)
 572 {
 573    return formats[format];
 574 }
 575
 576 static VkSampleCountFlagBits
 577 vk_sample_count_flags(uint32_t sample_count)
 578 {
 579    switch (sample_count) {
 580    case 1: return VK_SAMPLE_COUNT_1_BIT;
 581    case 2: return VK_SAMPLE_COUNT_2_BIT;
 582    case 4: return VK_SAMPLE_COUNT_4_BIT;
 583    case 8: return VK_SAMPLE_COUNT_8_BIT;
 584    case 16: return VK_SAMPLE_COUNT_16_BIT;
 585    case 32: return VK_SAMPLE_COUNT_32_BIT;
 586    case 64: return VK_SAMPLE_COUNT_64_BIT;
 587    default:
 588       return 0;
 589    }
 590 }
 591
 592 static bool
 593 zink_is_format_supported(struct pipe_screen *pscreen,
 594                          enum pipe_format format,
 595                          enum pipe_texture_target target,
 596                          unsigned sample_count,
 597                          unsigned storage_sample_count,
 598                          unsigned bind)
 599 {
 600    struct zink_screen *screen = zink_screen(pscreen);
 601
 602    if (format == PIPE_FORMAT_NONE)
 603       return screen->props.limits.framebufferNoAttachmentsSampleCounts &
 604              vk_sample_count_flags(sample_count);
 605
 606    VkFormat vkformat = formats[format];
 607    if (vkformat == VK_FORMAT_UNDEFINED)
 608       return FALSE;
 609
 610    if (sample_count >= 1) {
 611       VkSampleCountFlagBits sample_mask = vk_sample_count_flags(sample_count);
 612       const struct util_format_description *desc = util_format_description(format);
 613       if (util_format_is_depth_or_stencil(format)) {
 614          if (util_format_has_depth(desc)) {
 615             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 616                 (screen->props.limits.framebufferDepthSampleCounts & sample_mask) != sample_mask)
 617                return FALSE;
 618             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 619                 (screen->props.limits.sampledImageDepthSampleCounts & sample_mask) != sample_mask)
 620                return FALSE;
 621          }
 622          if (util_format_has_stencil(desc)) {
 623             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 624                 (screen->props.limits.framebufferStencilSampleCounts & sample_mask) != sample_mask)
 625                return FALSE;
 626             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 627                 (screen->props.limits.sampledImageStencilSampleCounts & sample_mask) != sample_mask)
 628                return FALSE;
 629          }
 630       } else if (util_format_is_pure_integer(format)) {
 631          if (bind & PIPE_BIND_RENDER_TARGET &&
 632              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 633             return FALSE;
 634          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 635              !(screen->props.limits.sampledImageIntegerSampleCounts & sample_mask))
 636             return FALSE;
 637       } else {
 638          if (bind & PIPE_BIND_RENDER_TARGET &&
 639              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 640             return FALSE;
 641          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 642              !(screen->props.limits.sampledImageColorSampleCounts & sample_mask))
 643             return FALSE;
 644       }
 645    }
 646
 647    VkFormatProperties props;
 648    vkGetPhysicalDeviceFormatProperties(screen->pdev, vkformat, &props);
 649
 650    if (target == PIPE_BUFFER) {
 651       if (bind & PIPE_BIND_VERTEX_BUFFER &&
 652           !(props.bufferFeatures & VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT))
 653          return FALSE;
 654    } else {
 655       /* all other targets are texture-targets */
 656       if (bind & PIPE_BIND_RENDER_TARGET &&
 657           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
 658          return FALSE;
 659
 660       if (bind & PIPE_BIND_BLENDABLE &&
 661          !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
 662         return FALSE;
 663
 664       if (bind & PIPE_BIND_SAMPLER_VIEW &&
 665           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
 666          return FALSE;
 667
 668       if (bind & PIPE_BIND_DEPTH_STENCIL &&
 669           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
 670          return FALSE;
 671    }
 672
 673    if (util_format_is_compressed(format)) {
 674       const struct util_format_description *desc = util_format_description(format);
 675       if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC &&
 676           !screen->feats.textureCompressionBC)
 677          return FALSE;
 678    }
 679
 680    return TRUE;
 681 }
 682
 683 static void
 684 zink_destroy_screen(struct pipe_screen *pscreen)
 685 {
 686    struct zink_screen *screen = zink_screen(pscreen);
 687    slab_destroy_parent(&screen->transfer_pool);
 688    FREE(screen);
 689 }
 690
 691 static VkInstance
 692 create_instance()
 693 {
 694    VkApplicationInfo ai = {};
 695    ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
 696
 697    char proc_name[128];
 698    if (os_get_process_name(proc_name, ARRAY_SIZE(proc_name)))
 699       ai.pApplicationName = proc_name;
 700    else
 701       ai.pApplicationName = "unknown";
 702
 703    ai.pEngineName = "mesa zink";
 704    ai.apiVersion = VK_API_VERSION_1_0;
 705
 706    const char *extensions[] = {
 707       VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
 708       VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
 709    };
 710
 711    VkInstanceCreateInfo ici = {};
 712    ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
 713    ici.pApplicationInfo = &ai;
 714    ici.ppEnabledExtensionNames = extensions;
 715    ici.enabledExtensionCount = ARRAY_SIZE(extensions);
 716
 717    VkInstance instance = VK_NULL_HANDLE;
 718    VkResult err = vkCreateInstance(&ici, NULL, &instance);
 719    if (err != VK_SUCCESS)
 720       return VK_NULL_HANDLE;
 721
 722    return instance;
 723 }
 724
 725 static VkPhysicalDevice
 726 choose_pdev(const VkInstance instance)
 727 {
 728    uint32_t i, pdev_count;
 729    VkPhysicalDevice *pdevs, pdev;
 730    vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
 731    assert(pdev_count > 0);
 732
 733    pdevs = malloc(sizeof(*pdevs) * pdev_count);
 734    vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
 735    assert(pdev_count > 0);
 736
 737    pdev = pdevs[0];
 738    for (i = 0; i < pdev_count; ++i) {
 739       VkPhysicalDeviceProperties props;
 740       vkGetPhysicalDeviceProperties(pdevs[i], &props);
 741       if (props.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
 742          pdev = pdevs[i];
 743          break;
 744       }
 745    }
 746    free(pdevs);
 747    return pdev;
 748 }
 749
 750 static uint32_t
 751 find_gfx_queue(const VkPhysicalDevice pdev)
 752 {
 753    uint32_t num_queues;
 754    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, NULL);
 755    assert(num_queues > 0);
 756
 757    VkQueueFamilyProperties *props = malloc(sizeof(*props) * num_queues);
 758    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, props);
 759
 760    for (uint32_t i = 0; i < num_queues; i++) {
 761       if (props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
 762          free(props);
 763          return i;
 764       }
 765    }
 766
 767    return UINT32_MAX;
 768 }
 769
 770 static void
 771 zink_flush_frontbuffer(struct pipe_screen *pscreen,
 772                        struct pipe_resource *pres,
 773                        unsigned level, unsigned layer,
 774                        void *winsys_drawable_handle,
 775                        struct pipe_box *sub_box)
 776 {
 777    struct zink_screen *screen = zink_screen(pscreen);
 778    struct sw_winsys *winsys = screen->winsys;
 779    struct zink_resource *res = zink_resource(pres);
 780
 781    if (!winsys)
 782      return;
 783    void *map = winsys->displaytarget_map(winsys, res->dt, 0);
 784
 785    if (map) {
 786       VkImageSubresource isr = {};
 787       isr.aspectMask = res->aspect;
 788       isr.mipLevel = level;
 789       isr.arrayLayer = layer;
 790       VkSubresourceLayout layout;
 791       vkGetImageSubresourceLayout(screen->dev, res->image, &isr, &layout);
 792
 793       void *ptr;
 794       VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 795       if (result != VK_SUCCESS) {
 796          debug_printf("failed to map memory for display\n");
 797          return;
 798       }
 799       for (int i = 0; i < pres->height0; ++i) {
 800          uint8_t *src = (uint8_t *)ptr + i * layout.rowPitch;
 801          uint8_t *dst = (uint8_t *)map + i * res->dt_stride;
 802          memcpy(dst, src, res->dt_stride);
 803       }
 804       vkUnmapMemory(screen->dev, res->mem);
 805    }
 806
 807    winsys->displaytarget_unmap(winsys, res->dt);
 808
 809    assert(res->dt);
 810    if (res->dt)
 811       winsys->displaytarget_display(winsys, res->dt, winsys_drawable_handle, sub_box);
 812 }
 813
 814 static struct pipe_screen *
 815 zink_internal_create_screen(struct sw_winsys *winsys, int fd)
 816 {
 817    struct zink_screen *screen = CALLOC_STRUCT(zink_screen);
 818    if (!screen)
 819       return NULL;
 820
 821    zink_debug = debug_get_option_zink_debug();
 822
 823    screen->instance = create_instance();
 824    screen->pdev = choose_pdev(screen->instance);
 825    screen->gfx_queue = find_gfx_queue(screen->pdev);
 826
 827    vkGetPhysicalDeviceProperties(screen->pdev, &screen->props);
 828    vkGetPhysicalDeviceFeatures(screen->pdev, &screen->feats);
 829    vkGetPhysicalDeviceMemoryProperties(screen->pdev, &screen->mem_props);
 830
 831    uint32_t num_extensions = 0;
 832    if (vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 833        &num_extensions, NULL) == VK_SUCCESS && num_extensions > 0) {
 834       VkExtensionProperties *extensions = MALLOC(sizeof(VkExtensionProperties) *
 835                                                 num_extensions);
 836       if (extensions) {
 837          vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 838                                               &num_extensions, extensions);
 839
 840          for (uint32_t  i = 0; i < num_extensions; ++i) {
 841             if (!strcmp(extensions[i].extensionName,
 842                 VK_KHR_MAINTENANCE1_EXTENSION_NAME))
 843                screen->have_VK_KHR_maintenance1 = true;
 844          }
 845          FREE(extensions);
 846       }
 847    }
 848
 849    VkDeviceQueueCreateInfo qci = {};
 850    float dummy = 0.0f;
 851    qci.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
 852    qci.queueFamilyIndex = screen->gfx_queue;
 853    qci.queueCount = 1;
 854    qci.pQueuePriorities = &dummy;
 855
 856    VkDeviceCreateInfo dci = {};
 857    dci.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 858    dci.queueCreateInfoCount = 1;
 859    dci.pQueueCreateInfos = &qci;
 860    dci.pEnabledFeatures = &screen->feats;
 861    const char *extensions[] = {
 862       VK_KHR_MAINTENANCE1_EXTENSION_NAME,
 863       VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
 864       VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
 865    };
 866    dci.ppEnabledExtensionNames = extensions;
 867    dci.enabledExtensionCount = ARRAY_SIZE(extensions);
 868    if (vkCreateDevice(screen->pdev, &dci, NULL, &screen->dev) != VK_SUCCESS)
 869       goto fail;
 870
 871    screen->winsys = winsys;
 872
 873    screen->base.get_name = zink_get_name;
 874    screen->base.get_vendor = zink_get_vendor;
 875    screen->base.get_device_vendor = zink_get_device_vendor;
 876    screen->base.get_param = zink_get_param;
 877    screen->base.get_paramf = zink_get_paramf;
 878    screen->base.get_shader_param = zink_get_shader_param;
 879    screen->base.get_compiler_options = zink_get_compiler_options;
 880    screen->base.is_format_supported = zink_is_format_supported;
 881    screen->base.context_create = zink_context_create;
 882    screen->base.flush_frontbuffer = zink_flush_frontbuffer;
 883    screen->base.destroy = zink_destroy_screen;
 884
 885    zink_screen_resource_init(&screen->base);
 886    zink_screen_fence_init(&screen->base);
 887
 888    slab_create_parent(&screen->transfer_pool, sizeof(struct zink_transfer), 16);
 889
 890    return &screen->base;
 891
 892 fail:
 893    FREE(screen);
 894    return NULL;
 895 }
 896
 897 struct pipe_screen *
 898 zink_create_screen(struct sw_winsys *winsys)
 899 {
 900    return zink_internal_create_screen(winsys, -1);
 901 }
 902
 903 struct pipe_screen *
 904 zink_drm_create_screen(int fd)
 905 {
 906    return zink_internal_create_screen(NULL, fd);
 907 }