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