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_CLIP_HALFZ:
 229       return 1;
 230 #endif
 231
 232 #if 0 /* TODO: Enable me */
 233    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 234    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 235       return 1;
 236 #endif
 237
 238    case PIPE_CAP_SHAREABLE_SHADERS:
 239       return 1;
 240
 241 #if 0 /* TODO: Enable me. Enables GL_ARB_shader_storage_buffer_object */
 242    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 243       return screen->props.limits.minStorageBufferOffsetAlignment;
 244 #endif
 245
 246    case PIPE_CAP_PCI_GROUP:
 247    case PIPE_CAP_PCI_BUS:
 248    case PIPE_CAP_PCI_DEVICE:
 249    case PIPE_CAP_PCI_FUNCTION:
 250       return 0; /* TODO: figure these out */
 251
 252 #if 0 /* TODO: Enable me */
 253    case PIPE_CAP_CULL_DISTANCE:
 254       return screen->feats.shaderCullDistance;
 255 #endif
 256
 257    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 258       return screen->props.limits.viewportSubPixelBits;
 259
 260    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 261       return 0; /* not sure */
 262
 263    case PIPE_CAP_MAX_GS_INVOCATIONS:
 264       return 0; /* not implemented */
 265
 266    case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
 267       return screen->props.limits.maxDescriptorSetStorageBuffers;
 268
 269    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
 270       return screen->props.limits.maxStorageBufferRange; /* unsure */
 271
 272    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 273    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 274       return 1;
 275
 276    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 277    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 278       return 0;
 279
 280    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 281       return 1;
 282
 283    case PIPE_CAP_NIR_COMPACT_ARRAYS:
 284       return 1;
 285
 286    case PIPE_CAP_FLATSHADE:
 287    case PIPE_CAP_ALPHA_TEST:
 288    case PIPE_CAP_CLIP_PLANES:
 289       return 0;
 290
 291    default:
 292       return u_pipe_screen_get_param_defaults(pscreen, param);
 293    }
 294 }
 295
 296 static float
 297 zink_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 298 {
 299    struct zink_screen *screen = zink_screen(pscreen);
 300
 301    switch (param) {
 302    case PIPE_CAPF_MAX_LINE_WIDTH:
 303    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 304       return screen->props.limits.lineWidthRange[1];
 305
 306    case PIPE_CAPF_MAX_POINT_WIDTH:
 307    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 308       return screen->props.limits.pointSizeRange[1];
 309
 310    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 311       return screen->props.limits.maxSamplerAnisotropy;
 312
 313    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 314       return screen->props.limits.maxSamplerLodBias;
 315
 316    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 317    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 318    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 319       return 0.0f; /* not implemented */
 320    }
 321
 322    /* should only get here on unhandled cases */
 323    return 0.0;
 324 }
 325
 326 static int
 327 zink_get_shader_param(struct pipe_screen *pscreen,
 328                        enum pipe_shader_type shader,
 329                        enum pipe_shader_cap param)
 330 {
 331    struct zink_screen *screen = zink_screen(pscreen);
 332
 333    switch (param) {
 334    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 335    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 336    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 337    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 338    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 339       if (shader == PIPE_SHADER_VERTEX ||
 340           shader == PIPE_SHADER_FRAGMENT)
 341          return INT_MAX;
 342       return 0;
 343
 344    case PIPE_SHADER_CAP_MAX_INPUTS:
 345       switch (shader) {
 346       case PIPE_SHADER_VERTEX:
 347          return MIN2(screen->props.limits.maxVertexInputAttributes,
 348                      PIPE_MAX_SHADER_INPUTS);
 349       case PIPE_SHADER_FRAGMENT:
 350          return MIN2(screen->props.limits.maxFragmentInputComponents / 4,
 351                      PIPE_MAX_SHADER_INPUTS);
 352       default:
 353          return 0; /* unsupported stage */
 354       }
 355
 356    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 357       switch (shader) {
 358       case PIPE_SHADER_VERTEX:
 359          return MIN2(screen->props.limits.maxVertexOutputComponents / 4,
 360                      PIPE_MAX_SHADER_OUTPUTS);
 361       case PIPE_SHADER_FRAGMENT:
 362          return MIN2(screen->props.limits.maxColorAttachments,
 363                 PIPE_MAX_SHADER_OUTPUTS);
 364       default:
 365          return 0; /* unsupported stage */
 366       }
 367
 368    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 369       /* this might be a bit simplistic... */
 370       return MIN2(screen->props.limits.maxPerStageDescriptorSamplers,
 371                   PIPE_MAX_SAMPLERS);
 372
 373    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 374       return MIN2(screen->props.limits.maxUniformBufferRange, INT_MAX);
 375
 376    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 377       return screen->props.limits.maxPerStageDescriptorUniformBuffers;
 378
 379    case PIPE_SHADER_CAP_MAX_TEMPS:
 380       return INT_MAX;
 381
 382    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 383    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 384    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 385    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 386    case PIPE_SHADER_CAP_SUBROUTINES:
 387    case PIPE_SHADER_CAP_INTEGERS:
 388    case PIPE_SHADER_CAP_INT64_ATOMICS:
 389    case PIPE_SHADER_CAP_FP16:
 390       return 0; /* not implemented */
 391
 392    case PIPE_SHADER_CAP_PREFERRED_IR:
 393       return PIPE_SHADER_IR_NIR;
 394
 395    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 396       return 0; /* not implemented */
 397
 398    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 399       return MIN2(screen->props.limits.maxPerStageDescriptorSampledImages,
 400                   PIPE_MAX_SHADER_SAMPLER_VIEWS);
 401
 402    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 403    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 404    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 405       return 0; /* not implemented */
 406
 407    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 408       return 0; /* no idea */
 409
 410    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 411       return 32; /* arbitrary */
 412
 413    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 414       /* TODO: this limitation is dumb, and will need some fixes in mesa */
 415       return MIN2(screen->props.limits.maxPerStageDescriptorStorageBuffers, 8);
 416
 417    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 418       return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
 419
 420    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 421       return MIN2(screen->props.limits.maxPerStageDescriptorStorageImages,
 422                   PIPE_MAX_SHADER_IMAGES);
 423
 424    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 425    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 426       return 0; /* unsure */
 427
 428    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 429    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 430    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 431    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 432       return 0; /* not implemented */
 433    }
 434
 435    /* should only get here on unhandled cases */
 436    return 0;
 437 }
 438
 439 static const VkFormat formats[PIPE_FORMAT_COUNT] = {
 440 #define MAP_FORMAT_NORM(FMT) \
 441    [PIPE_FORMAT_ ## FMT ## _UNORM] = VK_FORMAT_ ## FMT ## _UNORM, \
 442    [PIPE_FORMAT_ ## FMT ## _SNORM] = VK_FORMAT_ ## FMT ## _SNORM,
 443
 444 #define MAP_FORMAT_SCALED(FMT) \
 445    [PIPE_FORMAT_ ## FMT ## _USCALED] = VK_FORMAT_ ## FMT ## _USCALED, \
 446    [PIPE_FORMAT_ ## FMT ## _SSCALED] = VK_FORMAT_ ## FMT ## _SSCALED,
 447
 448 #define MAP_FORMAT_INT(FMT) \
 449    [PIPE_FORMAT_ ## FMT ## _UINT] = VK_FORMAT_ ## FMT ## _UINT, \
 450    [PIPE_FORMAT_ ## FMT ## _SINT] = VK_FORMAT_ ## FMT ## _SINT,
 451
 452 #define MAP_FORMAT_SRGB(FMT) \
 453    [PIPE_FORMAT_ ## FMT ## _SRGB] = VK_FORMAT_ ## FMT ## _SRGB,
 454
 455 #define MAP_FORMAT_FLOAT(FMT) \
 456    [PIPE_FORMAT_ ## FMT ## _FLOAT] = VK_FORMAT_ ## FMT ## _SFLOAT,
 457
 458    // one component
 459
 460    // 8-bits
 461    MAP_FORMAT_NORM(R8)
 462    MAP_FORMAT_SCALED(R8)
 463    MAP_FORMAT_INT(R8)
 464    // 16-bits
 465    MAP_FORMAT_NORM(R16)
 466    MAP_FORMAT_SCALED(R16)
 467    MAP_FORMAT_INT(R16)
 468    MAP_FORMAT_FLOAT(R16)
 469    // 32-bits
 470    MAP_FORMAT_INT(R32)
 471    MAP_FORMAT_FLOAT(R32)
 472
 473    // two components
 474
 475    // 8-bits
 476    MAP_FORMAT_NORM(R8G8)
 477    MAP_FORMAT_SCALED(R8G8)
 478    MAP_FORMAT_INT(R8G8)
 479    // 16-bits
 480    MAP_FORMAT_NORM(R16G16)
 481    MAP_FORMAT_SCALED(R16G16)
 482    MAP_FORMAT_INT(R16G16)
 483    MAP_FORMAT_FLOAT(R16G16)
 484    // 32-bits
 485    MAP_FORMAT_INT(R32G32)
 486    MAP_FORMAT_FLOAT(R32G32)
 487
 488    // three components
 489
 490    // 8-bits
 491    MAP_FORMAT_NORM(R8G8B8)
 492    MAP_FORMAT_SCALED(R8G8B8)
 493    MAP_FORMAT_INT(R8G8B8)
 494    MAP_FORMAT_SRGB(R8G8B8)
 495    // 16-bits
 496    MAP_FORMAT_NORM(R16G16B16)
 497    MAP_FORMAT_SCALED(R16G16B16)
 498    MAP_FORMAT_INT(R16G16B16)
 499    MAP_FORMAT_FLOAT(R16G16B16)
 500    // 32-bits
 501    MAP_FORMAT_INT(R32G32B32)
 502    MAP_FORMAT_FLOAT(R32G32B32)
 503
 504    // four components
 505
 506    // 8-bits
 507    MAP_FORMAT_NORM(R8G8B8A8)
 508    MAP_FORMAT_SCALED(R8G8B8A8)
 509    MAP_FORMAT_INT(R8G8B8A8)
 510    MAP_FORMAT_SRGB(R8G8B8A8)
 511    [PIPE_FORMAT_B8G8R8A8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
 512    MAP_FORMAT_SRGB(B8G8R8A8)
 513    [PIPE_FORMAT_A8B8G8R8_SRGB] = VK_FORMAT_A8B8G8R8_SRGB_PACK32,
 514    // 16-bits
 515    MAP_FORMAT_NORM(R16G16B16A16)
 516    MAP_FORMAT_SCALED(R16G16B16A16)
 517    MAP_FORMAT_INT(R16G16B16A16)
 518    MAP_FORMAT_FLOAT(R16G16B16A16)
 519    // 32-bits
 520    MAP_FORMAT_INT(R32G32B32A32)
 521    MAP_FORMAT_FLOAT(R32G32B32A32)
 522
 523    // other color formats
 524    [PIPE_FORMAT_B5G6R5_UNORM] = VK_FORMAT_R5G6B5_UNORM_PACK16,
 525    [PIPE_FORMAT_B5G5R5A1_UNORM] = VK_FORMAT_B5G5R5A1_UNORM_PACK16,
 526    [PIPE_FORMAT_R11G11B10_FLOAT] = VK_FORMAT_B10G11R11_UFLOAT_PACK32,
 527    [PIPE_FORMAT_R9G9B9E5_FLOAT] = VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
 528    [PIPE_FORMAT_R10G10B10A2_UNORM] = VK_FORMAT_A2B10G10R10_UNORM_PACK32,
 529    [PIPE_FORMAT_B10G10R10A2_UNORM] = VK_FORMAT_A2R10G10B10_UNORM_PACK32,
 530    [PIPE_FORMAT_R10G10B10A2_UINT] = VK_FORMAT_A2B10G10R10_UINT_PACK32,
 531    [PIPE_FORMAT_B10G10R10A2_UINT] = VK_FORMAT_A2R10G10B10_UINT_PACK32,
 532
 533    // depth/stencil formats
 534    [PIPE_FORMAT_Z32_FLOAT] = VK_FORMAT_D32_SFLOAT,
 535    [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = VK_FORMAT_D32_SFLOAT_S8_UINT,
 536    [PIPE_FORMAT_Z16_UNORM] = VK_FORMAT_D16_UNORM,
 537    [PIPE_FORMAT_X8Z24_UNORM] = VK_FORMAT_X8_D24_UNORM_PACK32,
 538    [PIPE_FORMAT_Z24_UNORM_S8_UINT] = VK_FORMAT_D24_UNORM_S8_UINT,
 539
 540    // compressed formats
 541    [PIPE_FORMAT_DXT1_RGB] = VK_FORMAT_BC1_RGB_UNORM_BLOCK,
 542    [PIPE_FORMAT_DXT1_RGBA] = VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
 543    [PIPE_FORMAT_DXT3_RGBA] = VK_FORMAT_BC2_UNORM_BLOCK,
 544    [PIPE_FORMAT_DXT5_RGBA] = VK_FORMAT_BC3_UNORM_BLOCK,
 545    [PIPE_FORMAT_RGTC1_UNORM] = VK_FORMAT_BC4_UNORM_BLOCK,
 546    [PIPE_FORMAT_RGTC1_SNORM] = VK_FORMAT_BC4_SNORM_BLOCK,
 547    [PIPE_FORMAT_RGTC2_UNORM] = VK_FORMAT_BC5_UNORM_BLOCK,
 548    [PIPE_FORMAT_RGTC2_SNORM] = VK_FORMAT_BC5_SNORM_BLOCK,
 549    [PIPE_FORMAT_BPTC_RGBA_UNORM] = VK_FORMAT_BC7_UNORM_BLOCK,
 550    [PIPE_FORMAT_BPTC_SRGBA] = VK_FORMAT_BC7_SRGB_BLOCK,
 551    [PIPE_FORMAT_BPTC_RGB_FLOAT] = VK_FORMAT_BC6H_SFLOAT_BLOCK,
 552    [PIPE_FORMAT_BPTC_RGB_UFLOAT] = VK_FORMAT_BC6H_UFLOAT_BLOCK,
 553 };
 554
 555 VkFormat
 556 zink_get_format(enum pipe_format format)
 557 {
 558    return formats[format];
 559 }
 560
 561 static VkSampleCountFlagBits
 562 vk_sample_count_flags(uint32_t sample_count)
 563 {
 564    switch (sample_count) {
 565    case 1: return VK_SAMPLE_COUNT_1_BIT;
 566    case 2: return VK_SAMPLE_COUNT_2_BIT;
 567    case 4: return VK_SAMPLE_COUNT_4_BIT;
 568    case 8: return VK_SAMPLE_COUNT_8_BIT;
 569    case 16: return VK_SAMPLE_COUNT_16_BIT;
 570    case 32: return VK_SAMPLE_COUNT_32_BIT;
 571    case 64: return VK_SAMPLE_COUNT_64_BIT;
 572    default:
 573       return 0;
 574    }
 575 }
 576
 577 static bool
 578 zink_is_format_supported(struct pipe_screen *pscreen,
 579                          enum pipe_format format,
 580                          enum pipe_texture_target target,
 581                          unsigned sample_count,
 582                          unsigned storage_sample_count,
 583                          unsigned bind)
 584 {
 585    struct zink_screen *screen = zink_screen(pscreen);
 586
 587    if (format == PIPE_FORMAT_NONE)
 588       return screen->props.limits.framebufferNoAttachmentsSampleCounts &
 589              vk_sample_count_flags(sample_count);
 590
 591    VkFormat vkformat = formats[format];
 592    if (vkformat == VK_FORMAT_UNDEFINED)
 593       return FALSE;
 594
 595    if (sample_count >= 1) {
 596       VkSampleCountFlagBits sample_mask = vk_sample_count_flags(sample_count);
 597       const struct util_format_description *desc = util_format_description(format);
 598       if (util_format_is_depth_or_stencil(format)) {
 599          if (util_format_has_depth(desc)) {
 600             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 601                 (screen->props.limits.framebufferDepthSampleCounts & sample_mask) != sample_mask)
 602                return FALSE;
 603             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 604                 (screen->props.limits.sampledImageDepthSampleCounts & sample_mask) != sample_mask)
 605                return FALSE;
 606          }
 607          if (util_format_has_stencil(desc)) {
 608             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 609                 (screen->props.limits.framebufferStencilSampleCounts & sample_mask) != sample_mask)
 610                return FALSE;
 611             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 612                 (screen->props.limits.sampledImageStencilSampleCounts & sample_mask) != sample_mask)
 613                return FALSE;
 614          }
 615       } else if (util_format_is_pure_integer(format)) {
 616          if (bind & PIPE_BIND_RENDER_TARGET &&
 617              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 618             return FALSE;
 619          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 620              !(screen->props.limits.sampledImageIntegerSampleCounts & sample_mask))
 621             return FALSE;
 622       } else {
 623          if (bind & PIPE_BIND_RENDER_TARGET &&
 624              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 625             return FALSE;
 626          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 627              !(screen->props.limits.sampledImageColorSampleCounts & sample_mask))
 628             return FALSE;
 629       }
 630    }
 631
 632    VkFormatProperties props;
 633    vkGetPhysicalDeviceFormatProperties(screen->pdev, vkformat, &props);
 634
 635    if (target == PIPE_BUFFER) {
 636       if (bind & PIPE_BIND_VERTEX_BUFFER &&
 637           !(props.bufferFeatures & VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT))
 638          return FALSE;
 639    } else {
 640       /* all other targets are texture-targets */
 641       if (bind & PIPE_BIND_RENDER_TARGET &&
 642           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
 643          return FALSE;
 644
 645       if (bind & PIPE_BIND_BLENDABLE &&
 646          !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
 647         return FALSE;
 648
 649       if (bind & PIPE_BIND_SAMPLER_VIEW &&
 650           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
 651          return FALSE;
 652
 653       if (bind & PIPE_BIND_DEPTH_STENCIL &&
 654           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
 655          return FALSE;
 656    }
 657
 658    if (util_format_is_compressed(format)) {
 659       const struct util_format_description *desc = util_format_description(format);
 660       if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC &&
 661           !screen->feats.textureCompressionBC)
 662          return FALSE;
 663    }
 664
 665    return TRUE;
 666 }
 667
 668 static void
 669 zink_destroy_screen(struct pipe_screen *pscreen)
 670 {
 671    struct zink_screen *screen = zink_screen(pscreen);
 672    slab_destroy_parent(&screen->transfer_pool);
 673    FREE(screen);
 674 }
 675
 676 static VkInstance
 677 create_instance()
 678 {
 679    VkApplicationInfo ai = {};
 680    ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
 681
 682    char proc_name[128];
 683    if (os_get_process_name(proc_name, ARRAY_SIZE(proc_name)))
 684       ai.pApplicationName = proc_name;
 685    else
 686       ai.pApplicationName = "unknown";
 687
 688    ai.pEngineName = "mesa zink";
 689    ai.apiVersion = VK_API_VERSION_1_0;
 690
 691    const char *extensions[] = {
 692       VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
 693       VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
 694    };
 695
 696    VkInstanceCreateInfo ici = {};
 697    ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
 698    ici.pApplicationInfo = &ai;
 699    ici.ppEnabledExtensionNames = extensions;
 700    ici.enabledExtensionCount = ARRAY_SIZE(extensions);
 701
 702    VkInstance instance = VK_NULL_HANDLE;
 703    VkResult err = vkCreateInstance(&ici, NULL, &instance);
 704    if (err != VK_SUCCESS)
 705       return VK_NULL_HANDLE;
 706
 707    return instance;
 708 }
 709
 710 static VkPhysicalDevice
 711 choose_pdev(const VkInstance instance)
 712 {
 713    uint32_t i, pdev_count;
 714    VkPhysicalDevice *pdevs, pdev;
 715    vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
 716    assert(pdev_count > 0);
 717
 718    pdevs = malloc(sizeof(*pdevs) * pdev_count);
 719    vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
 720    assert(pdev_count > 0);
 721
 722    pdev = pdevs[0];
 723    for (i = 0; i < pdev_count; ++i) {
 724       VkPhysicalDeviceProperties props;
 725       vkGetPhysicalDeviceProperties(pdevs[i], &props);
 726       if (props.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
 727          pdev = pdevs[i];
 728          break;
 729       }
 730    }
 731    free(pdevs);
 732    return pdev;
 733 }
 734
 735 static uint32_t
 736 find_gfx_queue(const VkPhysicalDevice pdev)
 737 {
 738    uint32_t num_queues;
 739    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, NULL);
 740    assert(num_queues > 0);
 741
 742    VkQueueFamilyProperties *props = malloc(sizeof(*props) * num_queues);
 743    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, props);
 744
 745    for (uint32_t i = 0; i < num_queues; i++) {
 746       if (props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
 747          free(props);
 748          return i;
 749       }
 750    }
 751
 752    return UINT32_MAX;
 753 }
 754
 755 static void
 756 zink_flush_frontbuffer(struct pipe_screen *pscreen,
 757                        struct pipe_resource *pres,
 758                        unsigned level, unsigned layer,
 759                        void *winsys_drawable_handle,
 760                        struct pipe_box *sub_box)
 761 {
 762    struct zink_screen *screen = zink_screen(pscreen);
 763    struct sw_winsys *winsys = screen->winsys;
 764    struct zink_resource *res = zink_resource(pres);
 765
 766    if (!winsys)
 767      return;
 768    void *map = winsys->displaytarget_map(winsys, res->dt, 0);
 769
 770    if (map) {
 771       VkImageSubresource isr = {};
 772       isr.aspectMask = res->aspect;
 773       isr.mipLevel = level;
 774       isr.arrayLayer = layer;
 775       VkSubresourceLayout layout;
 776       vkGetImageSubresourceLayout(screen->dev, res->image, &isr, &layout);
 777
 778       void *ptr;
 779       VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 780       if (result != VK_SUCCESS) {
 781          debug_printf("failed to map memory for display\n");
 782          return;
 783       }
 784       for (int i = 0; i < pres->height0; ++i) {
 785          uint8_t *src = (uint8_t *)ptr + i * layout.rowPitch;
 786          uint8_t *dst = (uint8_t *)map + i * res->dt_stride;
 787          memcpy(dst, src, res->dt_stride);
 788       }
 789       vkUnmapMemory(screen->dev, res->mem);
 790    }
 791
 792    winsys->displaytarget_unmap(winsys, res->dt);
 793
 794    assert(res->dt);
 795    if (res->dt)
 796       winsys->displaytarget_display(winsys, res->dt, winsys_drawable_handle, sub_box);
 797 }
 798
 799 static struct pipe_screen *
 800 zink_internal_create_screen(struct sw_winsys *winsys, int fd)
 801 {
 802    struct zink_screen *screen = CALLOC_STRUCT(zink_screen);
 803    if (!screen)
 804       return NULL;
 805
 806    zink_debug = debug_get_option_zink_debug();
 807
 808    screen->instance = create_instance();
 809    screen->pdev = choose_pdev(screen->instance);
 810    screen->gfx_queue = find_gfx_queue(screen->pdev);
 811
 812    vkGetPhysicalDeviceProperties(screen->pdev, &screen->props);
 813    vkGetPhysicalDeviceFeatures(screen->pdev, &screen->feats);
 814    vkGetPhysicalDeviceMemoryProperties(screen->pdev, &screen->mem_props);
 815
 816    uint32_t num_extensions = 0;
 817    if (vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 818        &num_extensions, NULL) == VK_SUCCESS && num_extensions > 0) {
 819       VkExtensionProperties *extensions = MALLOC(sizeof(VkExtensionProperties) *
 820                                                 num_extensions);
 821       if (extensions) {
 822          vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 823                                               &num_extensions, extensions);
 824
 825          for (uint32_t  i = 0; i < num_extensions; ++i) {
 826             if (!strcmp(extensions[i].extensionName,
 827                 VK_KHR_MAINTENANCE1_EXTENSION_NAME))
 828                screen->have_VK_KHR_maintenance1 = true;
 829          }
 830          FREE(extensions);
 831       }
 832    }
 833
 834    VkDeviceQueueCreateInfo qci = {};
 835    float dummy = 0.0f;
 836    qci.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
 837    qci.queueFamilyIndex = screen->gfx_queue;
 838    qci.queueCount = 1;
 839    qci.pQueuePriorities = &dummy;
 840
 841    VkDeviceCreateInfo dci = {};
 842    dci.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 843    dci.queueCreateInfoCount = 1;
 844    dci.pQueueCreateInfos = &qci;
 845    dci.pEnabledFeatures = &screen->feats;
 846    const char *extensions[] = {
 847       VK_KHR_MAINTENANCE1_EXTENSION_NAME,
 848       VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
 849       VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
 850    };
 851    dci.ppEnabledExtensionNames = extensions;
 852    dci.enabledExtensionCount = ARRAY_SIZE(extensions);
 853    if (vkCreateDevice(screen->pdev, &dci, NULL, &screen->dev) != VK_SUCCESS)
 854       goto fail;
 855
 856    screen->winsys = winsys;
 857
 858    screen->base.get_name = zink_get_name;
 859    screen->base.get_vendor = zink_get_vendor;
 860    screen->base.get_device_vendor = zink_get_device_vendor;
 861    screen->base.get_param = zink_get_param;
 862    screen->base.get_paramf = zink_get_paramf;
 863    screen->base.get_shader_param = zink_get_shader_param;
 864    screen->base.get_compiler_options = zink_get_compiler_options;
 865    screen->base.is_format_supported = zink_is_format_supported;
 866    screen->base.context_create = zink_context_create;
 867    screen->base.flush_frontbuffer = zink_flush_frontbuffer;
 868    screen->base.destroy = zink_destroy_screen;
 869
 870    zink_screen_resource_init(&screen->base);
 871    zink_screen_fence_init(&screen->base);
 872
 873    slab_create_parent(&screen->transfer_pool, sizeof(struct zink_transfer), 16);
 874
 875    return &screen->base;
 876
 877 fail:
 878    FREE(screen);
 879    return NULL;
 880 }
 881
 882 struct pipe_screen *
 883 zink_create_screen(struct sw_winsys *winsys)
 884 {
 885    return zink_internal_create_screen(winsys, -1);
 886 }
 887
 888 struct pipe_screen *
 889 zink_drm_create_screen(int fd)
 890 {
 891    return zink_internal_create_screen(NULL, fd);
 892 }