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    case PIPE_CAP_QUERY_TIME_ELAPSED:
 108       return 1;
 109
 110    case PIPE_CAP_TEXTURE_SWIZZLE:
 111       return 1;
 112
 113    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 114       return screen->props.limits.maxImageDimension2D;
 115    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 116       return 1 + util_logbase2(screen->props.limits.maxImageDimension3D);
 117    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 118       return 1 + util_logbase2(screen->props.limits.maxImageDimensionCube);
 119
 120    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 121       return 1;
 122
 123    case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
 124    case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
 125    case PIPE_CAP_VERTEX_SHADER_SATURATE:
 126       return 1;
 127
 128    case PIPE_CAP_INDEP_BLEND_ENABLE:
 129    case PIPE_CAP_INDEP_BLEND_FUNC:
 130       return 1;
 131
 132    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 133       return screen->props.limits.maxImageArrayLayers;
 134
 135 #if 0 /* TODO: Enable me */
 136    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 137       return 0;
 138 #endif
 139
 140 #if 0 /* TODO: Enable me */
 141    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 142       return 1;
 143 #endif
 144
 145    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 146       return 1;
 147
 148    case PIPE_CAP_MIN_TEXEL_OFFSET:
 149       return screen->props.limits.minTexelOffset;
 150    case PIPE_CAP_MAX_TEXEL_OFFSET:
 151       return screen->props.limits.maxTexelOffset;
 152
 153    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 154       return 1;
 155
 156    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 157    case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 158       return 120;
 159
 160 #if 0 /* TODO: Enable me */
 161    case PIPE_CAP_COMPUTE:
 162       return 1;
 163 #endif
 164
 165    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 166       return screen->props.limits.minUniformBufferOffsetAlignment;
 167
 168    case PIPE_CAP_QUERY_TIMESTAMP:
 169       return 1;
 170
 171    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 172       return screen->props.limits.minMemoryMapAlignment;
 173
 174    case PIPE_CAP_CUBE_MAP_ARRAY:
 175       return screen->feats.imageCubeArray;
 176
 177    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 178       return 0; /* unsure */
 179
 180    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 181       return screen->props.limits.maxTexelBufferElements;
 182
 183    case PIPE_CAP_ENDIANNESS:
 184       return PIPE_ENDIAN_NATIVE; /* unsure */
 185
 186    case PIPE_CAP_MAX_VIEWPORTS:
 187       return screen->props.limits.maxViewports;
 188
 189    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 190       return 1;
 191
 192    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 193       return screen->props.limits.maxGeometryOutputVertices;
 194    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 195       return screen->props.limits.maxGeometryOutputComponents;
 196
 197 #if 0 /* TODO: Enable me. Enables ARB_texture_gather */
 198    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 199       return 4;
 200 #endif
 201
 202    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 203       return screen->props.limits.minTexelGatherOffset;
 204    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 205       return screen->props.limits.maxTexelGatherOffset;
 206
 207    case PIPE_CAP_VENDOR_ID:
 208       return screen->props.vendorID;
 209    case PIPE_CAP_DEVICE_ID:
 210       return screen->props.deviceID;
 211
 212    case PIPE_CAP_ACCELERATED:
 213       return 1;
 214    case PIPE_CAP_VIDEO_MEMORY:
 215       return get_video_mem(screen);
 216    case PIPE_CAP_UMA:
 217       return screen->props.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
 218
 219    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 220       return screen->props.limits.maxVertexInputBindingStride;
 221
 222 #if 0 /* TODO: Enable me */
 223    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 224       return 1;
 225 #endif
 226
 227 #if 0 /* TODO: Enable me */
 228    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 229    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 230       return 1;
 231 #endif
 232
 233    case PIPE_CAP_SHAREABLE_SHADERS:
 234       return 1;
 235
 236 #if 0 /* TODO: Enable me. Enables GL_ARB_shader_storage_buffer_object */
 237    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 238       return screen->props.limits.minStorageBufferOffsetAlignment;
 239 #endif
 240
 241    case PIPE_CAP_PCI_GROUP:
 242    case PIPE_CAP_PCI_BUS:
 243    case PIPE_CAP_PCI_DEVICE:
 244    case PIPE_CAP_PCI_FUNCTION:
 245       return 0; /* TODO: figure these out */
 246
 247 #if 0 /* TODO: Enable me */
 248    case PIPE_CAP_CULL_DISTANCE:
 249       return screen->feats.shaderCullDistance;
 250 #endif
 251
 252    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 253       return screen->props.limits.viewportSubPixelBits;
 254
 255    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 256       return 0; /* not sure */
 257
 258    case PIPE_CAP_MAX_GS_INVOCATIONS:
 259       return 0; /* not implemented */
 260
 261    case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
 262       return screen->props.limits.maxDescriptorSetStorageBuffers;
 263
 264    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
 265       return screen->props.limits.maxStorageBufferRange; /* unsure */
 266
 267    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 268    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 269       return 1;
 270
 271    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 272    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 273       return 0;
 274
 275    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 276       return 1;
 277
 278    case PIPE_CAP_NIR_COMPACT_ARRAYS:
 279       return 1;
 280
 281    case PIPE_CAP_FLATSHADE:
 282    case PIPE_CAP_ALPHA_TEST:
 283    case PIPE_CAP_CLIP_PLANES:
 284       return 0;
 285
 286    default:
 287       return u_pipe_screen_get_param_defaults(pscreen, param);
 288    }
 289 }
 290
 291 static float
 292 zink_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 293 {
 294    struct zink_screen *screen = zink_screen(pscreen);
 295
 296    switch (param) {
 297    case PIPE_CAPF_MAX_LINE_WIDTH:
 298    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 299       return screen->props.limits.lineWidthRange[1];
 300
 301    case PIPE_CAPF_MAX_POINT_WIDTH:
 302    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 303       return screen->props.limits.pointSizeRange[1];
 304
 305    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 306       return screen->props.limits.maxSamplerAnisotropy;
 307
 308    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 309       return screen->props.limits.maxSamplerLodBias;
 310
 311    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 312    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 313    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 314       return 0.0f; /* not implemented */
 315    }
 316
 317    /* should only get here on unhandled cases */
 318    return 0.0;
 319 }
 320
 321 static int
 322 zink_get_shader_param(struct pipe_screen *pscreen,
 323                        enum pipe_shader_type shader,
 324                        enum pipe_shader_cap param)
 325 {
 326    struct zink_screen *screen = zink_screen(pscreen);
 327
 328    switch (param) {
 329    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 330    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 331    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 332    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 333    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 334       if (shader == PIPE_SHADER_VERTEX ||
 335           shader == PIPE_SHADER_FRAGMENT)
 336          return INT_MAX;
 337       return 0;
 338
 339    case PIPE_SHADER_CAP_MAX_INPUTS:
 340       switch (shader) {
 341       case PIPE_SHADER_VERTEX:
 342          return MIN2(screen->props.limits.maxVertexInputAttributes,
 343                      PIPE_MAX_SHADER_INPUTS);
 344       case PIPE_SHADER_FRAGMENT:
 345          return MIN2(screen->props.limits.maxFragmentInputComponents / 4,
 346                      PIPE_MAX_SHADER_INPUTS);
 347       default:
 348          return 0; /* unsupported stage */
 349       }
 350
 351    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 352       switch (shader) {
 353       case PIPE_SHADER_VERTEX:
 354          return MIN2(screen->props.limits.maxVertexOutputComponents / 4,
 355                      PIPE_MAX_SHADER_OUTPUTS);
 356       case PIPE_SHADER_FRAGMENT:
 357          return MIN2(screen->props.limits.maxColorAttachments,
 358                 PIPE_MAX_SHADER_OUTPUTS);
 359       default:
 360          return 0; /* unsupported stage */
 361       }
 362
 363    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 364       /* this might be a bit simplistic... */
 365       return MIN2(screen->props.limits.maxPerStageDescriptorSamplers,
 366                   PIPE_MAX_SAMPLERS);
 367
 368    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 369       return MIN2(screen->props.limits.maxUniformBufferRange, INT_MAX);
 370
 371    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 372       return screen->props.limits.maxPerStageDescriptorUniformBuffers;
 373
 374    case PIPE_SHADER_CAP_MAX_TEMPS:
 375       return INT_MAX;
 376
 377    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 378    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 379    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 380    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 381    case PIPE_SHADER_CAP_SUBROUTINES:
 382    case PIPE_SHADER_CAP_INTEGERS:
 383    case PIPE_SHADER_CAP_INT64_ATOMICS:
 384    case PIPE_SHADER_CAP_FP16:
 385       return 0; /* not implemented */
 386
 387    case PIPE_SHADER_CAP_PREFERRED_IR:
 388       return PIPE_SHADER_IR_NIR;
 389
 390    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 391       return 0; /* not implemented */
 392
 393    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 394       return MIN2(screen->props.limits.maxPerStageDescriptorSampledImages,
 395                   PIPE_MAX_SHADER_SAMPLER_VIEWS);
 396
 397    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 398    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 399    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 400       return 0; /* not implemented */
 401
 402    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 403       return 0; /* no idea */
 404
 405    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 406       return 32; /* arbitrary */
 407
 408    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 409       /* TODO: this limitation is dumb, and will need some fixes in mesa */
 410       return MIN2(screen->props.limits.maxPerStageDescriptorStorageBuffers, 8);
 411
 412    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 413       return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
 414
 415    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 416       return MIN2(screen->props.limits.maxPerStageDescriptorStorageImages,
 417                   PIPE_MAX_SHADER_IMAGES);
 418
 419    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 420    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 421       return 0; /* unsure */
 422
 423    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 424    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 425    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 426    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 427       return 0; /* not implemented */
 428    }
 429
 430    /* should only get here on unhandled cases */
 431    return 0;
 432 }
 433
 434 static const VkFormat formats[PIPE_FORMAT_COUNT] = {
 435 #define MAP_FORMAT_NORM(FMT) \
 436    [PIPE_FORMAT_ ## FMT ## _UNORM] = VK_FORMAT_ ## FMT ## _UNORM, \
 437    [PIPE_FORMAT_ ## FMT ## _SNORM] = VK_FORMAT_ ## FMT ## _SNORM,
 438
 439 #define MAP_FORMAT_SCALED(FMT) \
 440    [PIPE_FORMAT_ ## FMT ## _USCALED] = VK_FORMAT_ ## FMT ## _USCALED, \
 441    [PIPE_FORMAT_ ## FMT ## _SSCALED] = VK_FORMAT_ ## FMT ## _SSCALED,
 442
 443 #define MAP_FORMAT_INT(FMT) \
 444    [PIPE_FORMAT_ ## FMT ## _UINT] = VK_FORMAT_ ## FMT ## _UINT, \
 445    [PIPE_FORMAT_ ## FMT ## _SINT] = VK_FORMAT_ ## FMT ## _SINT,
 446
 447 #define MAP_FORMAT_SRGB(FMT) \
 448    [PIPE_FORMAT_ ## FMT ## _SRGB] = VK_FORMAT_ ## FMT ## _SRGB,
 449
 450 #define MAP_FORMAT_FLOAT(FMT) \
 451    [PIPE_FORMAT_ ## FMT ## _FLOAT] = VK_FORMAT_ ## FMT ## _SFLOAT,
 452
 453    // one component
 454
 455    // 8-bits
 456    MAP_FORMAT_NORM(R8)
 457    MAP_FORMAT_SCALED(R8)
 458    MAP_FORMAT_INT(R8)
 459    // 16-bits
 460    MAP_FORMAT_NORM(R16)
 461    MAP_FORMAT_SCALED(R16)
 462    MAP_FORMAT_INT(R16)
 463    MAP_FORMAT_FLOAT(R16)
 464    // 32-bits
 465    MAP_FORMAT_INT(R32)
 466    MAP_FORMAT_FLOAT(R32)
 467
 468    // two components
 469
 470    // 8-bits
 471    MAP_FORMAT_NORM(R8G8)
 472    MAP_FORMAT_SCALED(R8G8)
 473    MAP_FORMAT_INT(R8G8)
 474    // 16-bits
 475    MAP_FORMAT_NORM(R16G16)
 476    MAP_FORMAT_SCALED(R16G16)
 477    MAP_FORMAT_INT(R16G16)
 478    MAP_FORMAT_FLOAT(R16G16)
 479    // 32-bits
 480    MAP_FORMAT_INT(R32G32)
 481    MAP_FORMAT_FLOAT(R32G32)
 482
 483    // three components
 484
 485    // 8-bits
 486    MAP_FORMAT_NORM(R8G8B8)
 487    MAP_FORMAT_SCALED(R8G8B8)
 488    MAP_FORMAT_INT(R8G8B8)
 489    MAP_FORMAT_SRGB(R8G8B8)
 490    // 16-bits
 491    MAP_FORMAT_NORM(R16G16B16)
 492    MAP_FORMAT_SCALED(R16G16B16)
 493    MAP_FORMAT_INT(R16G16B16)
 494    MAP_FORMAT_FLOAT(R16G16B16)
 495    // 32-bits
 496    MAP_FORMAT_INT(R32G32B32)
 497    MAP_FORMAT_FLOAT(R32G32B32)
 498
 499    // four components
 500
 501    // 8-bits
 502    MAP_FORMAT_NORM(R8G8B8A8)
 503    MAP_FORMAT_SCALED(R8G8B8A8)
 504    MAP_FORMAT_INT(R8G8B8A8)
 505    MAP_FORMAT_SRGB(R8G8B8A8)
 506    [PIPE_FORMAT_B8G8R8A8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
 507    MAP_FORMAT_SRGB(B8G8R8A8)
 508    [PIPE_FORMAT_A8B8G8R8_SRGB] = VK_FORMAT_A8B8G8R8_SRGB_PACK32,
 509    // 16-bits
 510    MAP_FORMAT_NORM(R16G16B16A16)
 511    MAP_FORMAT_SCALED(R16G16B16A16)
 512    MAP_FORMAT_INT(R16G16B16A16)
 513    MAP_FORMAT_FLOAT(R16G16B16A16)
 514    // 32-bits
 515    MAP_FORMAT_INT(R32G32B32A32)
 516    MAP_FORMAT_FLOAT(R32G32B32A32)
 517
 518    // other color formats
 519    [PIPE_FORMAT_B5G6R5_UNORM] = VK_FORMAT_R5G6B5_UNORM_PACK16,
 520    [PIPE_FORMAT_B5G5R5A1_UNORM] = VK_FORMAT_B5G5R5A1_UNORM_PACK16,
 521    [PIPE_FORMAT_R11G11B10_FLOAT] = VK_FORMAT_B10G11R11_UFLOAT_PACK32,
 522    [PIPE_FORMAT_R9G9B9E5_FLOAT] = VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
 523    [PIPE_FORMAT_R10G10B10A2_UNORM] = VK_FORMAT_A2B10G10R10_UNORM_PACK32,
 524    [PIPE_FORMAT_B10G10R10A2_UNORM] = VK_FORMAT_A2R10G10B10_UNORM_PACK32,
 525    [PIPE_FORMAT_R10G10B10A2_UINT] = VK_FORMAT_A2B10G10R10_UINT_PACK32,
 526    [PIPE_FORMAT_B10G10R10A2_UINT] = VK_FORMAT_A2R10G10B10_UINT_PACK32,
 527
 528    // depth/stencil formats
 529    [PIPE_FORMAT_Z32_FLOAT] = VK_FORMAT_D32_SFLOAT,
 530    [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = VK_FORMAT_D32_SFLOAT_S8_UINT,
 531    [PIPE_FORMAT_Z16_UNORM] = VK_FORMAT_D16_UNORM,
 532    [PIPE_FORMAT_X8Z24_UNORM] = VK_FORMAT_X8_D24_UNORM_PACK32,
 533    [PIPE_FORMAT_Z24_UNORM_S8_UINT] = VK_FORMAT_D24_UNORM_S8_UINT,
 534
 535    // compressed formats
 536    [PIPE_FORMAT_DXT1_RGB] = VK_FORMAT_BC1_RGB_UNORM_BLOCK,
 537    [PIPE_FORMAT_DXT1_RGBA] = VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
 538    [PIPE_FORMAT_DXT3_RGBA] = VK_FORMAT_BC2_UNORM_BLOCK,
 539    [PIPE_FORMAT_DXT5_RGBA] = VK_FORMAT_BC3_UNORM_BLOCK,
 540    [PIPE_FORMAT_RGTC1_UNORM] = VK_FORMAT_BC4_UNORM_BLOCK,
 541    [PIPE_FORMAT_RGTC1_SNORM] = VK_FORMAT_BC4_SNORM_BLOCK,
 542    [PIPE_FORMAT_RGTC2_UNORM] = VK_FORMAT_BC5_UNORM_BLOCK,
 543    [PIPE_FORMAT_RGTC2_SNORM] = VK_FORMAT_BC5_SNORM_BLOCK,
 544    [PIPE_FORMAT_BPTC_RGBA_UNORM] = VK_FORMAT_BC7_UNORM_BLOCK,
 545    [PIPE_FORMAT_BPTC_SRGBA] = VK_FORMAT_BC7_SRGB_BLOCK,
 546    [PIPE_FORMAT_BPTC_RGB_FLOAT] = VK_FORMAT_BC6H_SFLOAT_BLOCK,
 547    [PIPE_FORMAT_BPTC_RGB_UFLOAT] = VK_FORMAT_BC6H_UFLOAT_BLOCK,
 548 };
 549
 550 VkFormat
 551 zink_get_format(enum pipe_format format)
 552 {
 553    return formats[format];
 554 }
 555
 556 static VkSampleCountFlagBits
 557 vk_sample_count_flags(uint32_t sample_count)
 558 {
 559    switch (sample_count) {
 560    case 1: return VK_SAMPLE_COUNT_1_BIT;
 561    case 2: return VK_SAMPLE_COUNT_2_BIT;
 562    case 4: return VK_SAMPLE_COUNT_4_BIT;
 563    case 8: return VK_SAMPLE_COUNT_8_BIT;
 564    case 16: return VK_SAMPLE_COUNT_16_BIT;
 565    case 32: return VK_SAMPLE_COUNT_32_BIT;
 566    case 64: return VK_SAMPLE_COUNT_64_BIT;
 567    default:
 568       return 0;
 569    }
 570 }
 571
 572 static bool
 573 zink_is_format_supported(struct pipe_screen *pscreen,
 574                          enum pipe_format format,
 575                          enum pipe_texture_target target,
 576                          unsigned sample_count,
 577                          unsigned storage_sample_count,
 578                          unsigned bind)
 579 {
 580    struct zink_screen *screen = zink_screen(pscreen);
 581
 582    if (format == PIPE_FORMAT_NONE)
 583       return screen->props.limits.framebufferNoAttachmentsSampleCounts &
 584              vk_sample_count_flags(sample_count);
 585
 586    VkFormat vkformat = formats[format];
 587    if (vkformat == VK_FORMAT_UNDEFINED)
 588       return FALSE;
 589
 590    if (sample_count >= 1) {
 591       VkSampleCountFlagBits sample_mask = vk_sample_count_flags(sample_count);
 592       const struct util_format_description *desc = util_format_description(format);
 593       if (util_format_is_depth_or_stencil(format)) {
 594          if (util_format_has_depth(desc)) {
 595             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 596                 (screen->props.limits.framebufferDepthSampleCounts & sample_mask) != sample_mask)
 597                return FALSE;
 598             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 599                 (screen->props.limits.sampledImageDepthSampleCounts & sample_mask) != sample_mask)
 600                return FALSE;
 601          }
 602          if (util_format_has_stencil(desc)) {
 603             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 604                 (screen->props.limits.framebufferStencilSampleCounts & sample_mask) != sample_mask)
 605                return FALSE;
 606             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 607                 (screen->props.limits.sampledImageStencilSampleCounts & sample_mask) != sample_mask)
 608                return FALSE;
 609          }
 610       } else if (util_format_is_pure_integer(format)) {
 611          if (bind & PIPE_BIND_RENDER_TARGET &&
 612              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 613             return FALSE;
 614          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 615              !(screen->props.limits.sampledImageIntegerSampleCounts & sample_mask))
 616             return FALSE;
 617       } else {
 618          if (bind & PIPE_BIND_RENDER_TARGET &&
 619              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 620             return FALSE;
 621          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 622              !(screen->props.limits.sampledImageColorSampleCounts & sample_mask))
 623             return FALSE;
 624       }
 625    }
 626
 627    VkFormatProperties props;
 628    vkGetPhysicalDeviceFormatProperties(screen->pdev, vkformat, &props);
 629
 630    if (target == PIPE_BUFFER) {
 631       if (bind & PIPE_BIND_VERTEX_BUFFER &&
 632           !(props.bufferFeatures & VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT))
 633          return FALSE;
 634    } else {
 635       /* all other targets are texture-targets */
 636       if (bind & PIPE_BIND_RENDER_TARGET &&
 637           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
 638          return FALSE;
 639
 640       if (bind & PIPE_BIND_BLENDABLE &&
 641          !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
 642         return FALSE;
 643
 644       if (bind & PIPE_BIND_SAMPLER_VIEW &&
 645           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
 646          return FALSE;
 647
 648       if (bind & PIPE_BIND_DEPTH_STENCIL &&
 649           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
 650          return FALSE;
 651    }
 652
 653    if (util_format_is_compressed(format)) {
 654       const struct util_format_description *desc = util_format_description(format);
 655       if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC &&
 656           !screen->feats.textureCompressionBC)
 657          return FALSE;
 658    }
 659
 660    return TRUE;
 661 }
 662
 663 static void
 664 zink_destroy_screen(struct pipe_screen *pscreen)
 665 {
 666    struct zink_screen *screen = zink_screen(pscreen);
 667    slab_destroy_parent(&screen->transfer_pool);
 668    FREE(screen);
 669 }
 670
 671 static VkInstance
 672 create_instance()
 673 {
 674    VkApplicationInfo ai = {};
 675    ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
 676
 677    char proc_name[128];
 678    if (os_get_process_name(proc_name, ARRAY_SIZE(proc_name)))
 679       ai.pApplicationName = proc_name;
 680    else
 681       ai.pApplicationName = "unknown";
 682
 683    ai.pEngineName = "mesa zink";
 684    ai.apiVersion = VK_API_VERSION_1_0;
 685
 686    const char *extensions[] = {
 687       VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
 688       VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
 689    };
 690
 691    VkInstanceCreateInfo ici = {};
 692    ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
 693    ici.pApplicationInfo = &ai;
 694    ici.ppEnabledExtensionNames = extensions;
 695    ici.enabledExtensionCount = ARRAY_SIZE(extensions);
 696
 697    VkInstance instance = VK_NULL_HANDLE;
 698    VkResult err = vkCreateInstance(&ici, NULL, &instance);
 699    if (err != VK_SUCCESS)
 700       return VK_NULL_HANDLE;
 701
 702    return instance;
 703 }
 704
 705 static VkPhysicalDevice
 706 choose_pdev(const VkInstance instance)
 707 {
 708    uint32_t i, pdev_count;
 709    VkPhysicalDevice *pdevs, pdev;
 710    vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
 711    assert(pdev_count > 0);
 712
 713    pdevs = malloc(sizeof(*pdevs) * pdev_count);
 714    vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
 715    assert(pdev_count > 0);
 716
 717    pdev = pdevs[0];
 718    for (i = 0; i < pdev_count; ++i) {
 719       VkPhysicalDeviceProperties props;
 720       vkGetPhysicalDeviceProperties(pdevs[i], &props);
 721       if (props.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
 722          pdev = pdevs[i];
 723          break;
 724       }
 725    }
 726    free(pdevs);
 727    return pdev;
 728 }
 729
 730 static uint32_t
 731 find_gfx_queue(const VkPhysicalDevice pdev)
 732 {
 733    uint32_t num_queues;
 734    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, NULL);
 735    assert(num_queues > 0);
 736
 737    VkQueueFamilyProperties *props = malloc(sizeof(*props) * num_queues);
 738    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, props);
 739
 740    for (uint32_t i = 0; i < num_queues; i++) {
 741       if (props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
 742          free(props);
 743          return i;
 744       }
 745    }
 746
 747    return UINT32_MAX;
 748 }
 749
 750 static void
 751 zink_flush_frontbuffer(struct pipe_screen *pscreen,
 752                        struct pipe_resource *pres,
 753                        unsigned level, unsigned layer,
 754                        void *winsys_drawable_handle,
 755                        struct pipe_box *sub_box)
 756 {
 757    struct zink_screen *screen = zink_screen(pscreen);
 758    struct sw_winsys *winsys = screen->winsys;
 759    struct zink_resource *res = zink_resource(pres);
 760
 761    if (!winsys)
 762      return;
 763    void *map = winsys->displaytarget_map(winsys, res->dt, 0);
 764
 765    if (map) {
 766       VkImageSubresource isr = {};
 767       isr.aspectMask = res->aspect;
 768       isr.mipLevel = level;
 769       isr.arrayLayer = layer;
 770       VkSubresourceLayout layout;
 771       vkGetImageSubresourceLayout(screen->dev, res->image, &isr, &layout);
 772
 773       void *ptr;
 774       VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 775       if (result != VK_SUCCESS) {
 776          debug_printf("failed to map memory for display\n");
 777          return;
 778       }
 779       for (int i = 0; i < pres->height0; ++i) {
 780          uint8_t *src = (uint8_t *)ptr + i * layout.rowPitch;
 781          uint8_t *dst = (uint8_t *)map + i * res->dt_stride;
 782          memcpy(dst, src, res->dt_stride);
 783       }
 784       vkUnmapMemory(screen->dev, res->mem);
 785    }
 786
 787    winsys->displaytarget_unmap(winsys, res->dt);
 788
 789    assert(res->dt);
 790    if (res->dt)
 791       winsys->displaytarget_display(winsys, res->dt, winsys_drawable_handle, sub_box);
 792 }
 793
 794 static struct pipe_screen *
 795 zink_internal_create_screen(struct sw_winsys *winsys, int fd)
 796 {
 797    struct zink_screen *screen = CALLOC_STRUCT(zink_screen);
 798    if (!screen)
 799       return NULL;
 800
 801    zink_debug = debug_get_option_zink_debug();
 802
 803    screen->instance = create_instance();
 804    screen->pdev = choose_pdev(screen->instance);
 805    screen->gfx_queue = find_gfx_queue(screen->pdev);
 806
 807    vkGetPhysicalDeviceProperties(screen->pdev, &screen->props);
 808    vkGetPhysicalDeviceFeatures(screen->pdev, &screen->feats);
 809    vkGetPhysicalDeviceMemoryProperties(screen->pdev, &screen->mem_props);
 810
 811    uint32_t num_extensions = 0;
 812    if (vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 813        &num_extensions, NULL) == VK_SUCCESS && num_extensions > 0) {
 814       VkExtensionProperties *extensions = MALLOC(sizeof(VkExtensionProperties) *
 815                                                 num_extensions);
 816       if (extensions) {
 817          vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 818                                               &num_extensions, extensions);
 819
 820          for (uint32_t  i = 0; i < num_extensions; ++i) {
 821             if (!strcmp(extensions[i].extensionName,
 822                 VK_KHR_MAINTENANCE1_EXTENSION_NAME))
 823                screen->have_VK_KHR_maintenance1 = true;
 824          }
 825          FREE(extensions);
 826       }
 827    }
 828
 829    VkDeviceQueueCreateInfo qci = {};
 830    float dummy = 0.0f;
 831    qci.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
 832    qci.queueFamilyIndex = screen->gfx_queue;
 833    qci.queueCount = 1;
 834    qci.pQueuePriorities = &dummy;
 835
 836    VkDeviceCreateInfo dci = {};
 837    dci.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 838    dci.queueCreateInfoCount = 1;
 839    dci.pQueueCreateInfos = &qci;
 840    dci.pEnabledFeatures = &screen->feats;
 841    const char *extensions[] = {
 842       VK_KHR_MAINTENANCE1_EXTENSION_NAME,
 843       VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
 844       VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
 845    };
 846    dci.ppEnabledExtensionNames = extensions;
 847    dci.enabledExtensionCount = ARRAY_SIZE(extensions);
 848    if (vkCreateDevice(screen->pdev, &dci, NULL, &screen->dev) != VK_SUCCESS)
 849       goto fail;
 850
 851    screen->winsys = winsys;
 852
 853    screen->base.get_name = zink_get_name;
 854    screen->base.get_vendor = zink_get_vendor;
 855    screen->base.get_device_vendor = zink_get_device_vendor;
 856    screen->base.get_param = zink_get_param;
 857    screen->base.get_paramf = zink_get_paramf;
 858    screen->base.get_shader_param = zink_get_shader_param;
 859    screen->base.get_compiler_options = zink_get_compiler_options;
 860    screen->base.is_format_supported = zink_is_format_supported;
 861    screen->base.context_create = zink_context_create;
 862    screen->base.flush_frontbuffer = zink_flush_frontbuffer;
 863    screen->base.destroy = zink_destroy_screen;
 864
 865    zink_screen_resource_init(&screen->base);
 866    zink_screen_fence_init(&screen->base);
 867
 868    slab_create_parent(&screen->transfer_pool, sizeof(struct zink_transfer), 16);
 869
 870    return &screen->base;
 871
 872 fail:
 873    FREE(screen);
 874    return NULL;
 875 }
 876
 877 struct pipe_screen *
 878 zink_create_screen(struct sw_winsys *winsys)
 879 {
 880    return zink_internal_create_screen(winsys, -1);
 881 }
 882
 883 struct pipe_screen *
 884 zink_drm_create_screen(int fd)
 885 {
 886    return zink_internal_create_screen(NULL, fd);
 887 }