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