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/format/u_format.h"
  35 #include "util/u_math.h"
  36 #include "util/u_memory.h"
  37 #include "util/u_screen.h"
  38 #include "util/u_string.h"
  39
  40 #include "state_tracker/sw_winsys.h"
  41
  42 static const struct debug_named_value
  43 debug_options[] = {
  44    { "nir", ZINK_DEBUG_NIR, "Dump NIR during program compile" },
  45    { "spirv", ZINK_DEBUG_SPIRV, "Dump SPIR-V during program compile" },
  46    { "tgsi", ZINK_DEBUG_TGSI, "Dump TGSI during program compile" },
  47    DEBUG_NAMED_VALUE_END
  48 };
  49
  50 DEBUG_GET_ONCE_FLAGS_OPTION(zink_debug, "ZINK_DEBUG", debug_options, 0)
  51
  52 uint32_t
  53 zink_debug;
  54
  55 static const char *
  56 zink_get_vendor(struct pipe_screen *pscreen)
  57 {
  58    return "Collabora Ltd";
  59 }
  60
  61 static const char *
  62 zink_get_device_vendor(struct pipe_screen *pscreen)
  63 {
  64    struct zink_screen *screen = zink_screen(pscreen);
  65    static char buf[1000];
  66    snprintf(buf, sizeof(buf), "Unknown (vendor-id: 0x%04x)", screen->props.vendorID);
  67    return buf;
  68 }
  69
  70 static const char *
  71 zink_get_name(struct pipe_screen *pscreen)
  72 {
  73    struct zink_screen *screen = zink_screen(pscreen);
  74    static char buf[1000];
  75    snprintf(buf, sizeof(buf), "zink (%s)", screen->props.deviceName);
  76    return buf;
  77 }
  78
  79 static int
  80 get_video_mem(struct zink_screen *screen)
  81 {
  82    VkDeviceSize size = 0;
  83    for (uint32_t i = 0; i < screen->mem_props.memoryHeapCount; ++i)
  84       size += screen->mem_props.memoryHeaps[i].size;
  85    return (int)(size >> 20);
  86 }
  87
  88 static int
  89 zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  90 {
  91    struct zink_screen *screen = zink_screen(pscreen);
  92
  93    switch (param) {
  94    case PIPE_CAP_NPOT_TEXTURES:
  95       return 1;
  96
  97    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
  98       return screen->props.limits.maxFragmentDualSrcAttachments;
  99
 100    case PIPE_CAP_POINT_SPRITE:
 101       return 1;
 102
 103    case PIPE_CAP_MAX_RENDER_TARGETS:
 104       return screen->props.limits.maxColorAttachments;
 105
 106    case PIPE_CAP_OCCLUSION_QUERY:
 107       return 1;
 108
 109 #if 0 /* TODO: Enable me */
 110    case PIPE_CAP_QUERY_TIME_ELAPSED:
 111       return 1;
 112 #endif
 113
 114    case PIPE_CAP_TEXTURE_SWIZZLE:
 115       return 1;
 116
 117    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 118       return screen->props.limits.maxImageDimension2D;
 119    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 120       return 1 + util_logbase2(screen->props.limits.maxImageDimension3D);
 121    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 122       return 1 + util_logbase2(screen->props.limits.maxImageDimensionCube);
 123
 124    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 125    case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
 126    case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
 127    case PIPE_CAP_VERTEX_SHADER_SATURATE:
 128       return 1;
 129
 130    case PIPE_CAP_INDEP_BLEND_ENABLE:
 131    case PIPE_CAP_INDEP_BLEND_FUNC:
 132       return 1;
 133
 134    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 135       return screen->props.limits.maxImageArrayLayers;
 136
 137 #if 0 /* TODO: Enable me */
 138    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 139       return 0;
 140 #endif
 141
 142    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 143       return 1;
 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 #if 0 /* TODO: Enable me */
 169    case PIPE_CAP_QUERY_TIMESTAMP:
 170       return 1;
 171 #endif
 172
 173    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 174       return screen->props.limits.minMemoryMapAlignment;
 175
 176    case PIPE_CAP_CUBE_MAP_ARRAY:
 177       return screen->feats.imageCubeArray;
 178
 179    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 180       return 0; /* unsure */
 181
 182    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 183       return screen->props.limits.maxTexelBufferElements;
 184
 185    case PIPE_CAP_ENDIANNESS:
 186       return PIPE_ENDIAN_NATIVE; /* unsure */
 187
 188    case PIPE_CAP_MAX_VIEWPORTS:
 189       return screen->props.limits.maxViewports;
 190
 191    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 192       return 1;
 193
 194    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 195       return screen->props.limits.maxGeometryOutputVertices;
 196    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 197       return screen->props.limits.maxGeometryOutputComponents;
 198
 199 #if 0 /* TODO: Enable me. Enables ARB_texture_gather */
 200    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 201       return 4;
 202 #endif
 203
 204    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 205       return screen->props.limits.minTexelGatherOffset;
 206    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 207       return screen->props.limits.maxTexelGatherOffset;
 208
 209    case PIPE_CAP_VENDOR_ID:
 210       return screen->props.vendorID;
 211    case PIPE_CAP_DEVICE_ID:
 212       return screen->props.deviceID;
 213
 214    case PIPE_CAP_ACCELERATED:
 215       return 1;
 216    case PIPE_CAP_VIDEO_MEMORY:
 217       return get_video_mem(screen);
 218    case PIPE_CAP_UMA:
 219       return screen->props.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
 220
 221    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 222       return screen->props.limits.maxVertexInputBindingStride;
 223
 224 #if 0 /* TODO: Enable me */
 225    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 226       return 1;
 227 #endif
 228
 229 #if 0 /* TODO: Enable me */
 230    case PIPE_CAP_CLIP_HALFZ:
 231       return 1;
 232 #endif
 233
 234 #if 0 /* TODO: Enable me */
 235    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 236    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 237       return 1;
 238 #endif
 239
 240    case PIPE_CAP_SHAREABLE_SHADERS:
 241       return 1;
 242
 243 #if 0 /* TODO: Enable me. Enables GL_ARB_shader_storage_buffer_object */
 244    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 245       return screen->props.limits.minStorageBufferOffsetAlignment;
 246 #endif
 247
 248    case PIPE_CAP_PCI_GROUP:
 249    case PIPE_CAP_PCI_BUS:
 250    case PIPE_CAP_PCI_DEVICE:
 251    case PIPE_CAP_PCI_FUNCTION:
 252       return 0; /* TODO: figure these out */
 253
 254 #if 0 /* TODO: Enable me */
 255    case PIPE_CAP_CULL_DISTANCE:
 256       return screen->feats.shaderCullDistance;
 257 #endif
 258
 259    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 260       return screen->props.limits.viewportSubPixelBits;
 261
 262    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 263       return 0; /* not sure */
 264
 265    case PIPE_CAP_MAX_GS_INVOCATIONS:
 266       return 0; /* not implemented */
 267
 268    case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
 269       return screen->props.limits.maxDescriptorSetStorageBuffers;
 270
 271    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
 272       return screen->props.limits.maxStorageBufferRange; /* unsure */
 273
 274    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 275    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 276       return 1;
 277
 278    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 279    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 280       return 0;
 281
 282    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 283       return 0;
 284
 285    case PIPE_CAP_NIR_COMPACT_ARRAYS:
 286       return 1;
 287
 288    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 289       return 1;
 290
 291    case PIPE_CAP_FLATSHADE:
 292    case PIPE_CAP_ALPHA_TEST:
 293    case PIPE_CAP_CLIP_PLANES:
 294    case PIPE_CAP_POINT_SIZE_FIXED:
 295    case PIPE_CAP_TWO_SIDED_COLOR:
 296       return 0;
 297
 298    case PIPE_CAP_DMABUF:
 299       return screen->have_KHR_external_memory_fd;
 300
 301    default:
 302       return u_pipe_screen_get_param_defaults(pscreen, param);
 303    }
 304 }
 305
 306 static float
 307 zink_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 308 {
 309    struct zink_screen *screen = zink_screen(pscreen);
 310
 311    switch (param) {
 312    case PIPE_CAPF_MAX_LINE_WIDTH:
 313    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 314       return screen->props.limits.lineWidthRange[1];
 315
 316    case PIPE_CAPF_MAX_POINT_WIDTH:
 317    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 318       return screen->props.limits.pointSizeRange[1];
 319
 320    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 321       return screen->props.limits.maxSamplerAnisotropy;
 322
 323    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 324       return screen->props.limits.maxSamplerLodBias;
 325
 326    case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 327    case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 328    case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 329       return 0.0f; /* not implemented */
 330    }
 331
 332    /* should only get here on unhandled cases */
 333    return 0.0;
 334 }
 335
 336 static int
 337 zink_get_shader_param(struct pipe_screen *pscreen,
 338                        enum pipe_shader_type shader,
 339                        enum pipe_shader_cap param)
 340 {
 341    struct zink_screen *screen = zink_screen(pscreen);
 342
 343    switch (param) {
 344    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 345    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 346    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 347    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 348    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 349       if (shader == PIPE_SHADER_VERTEX ||
 350           shader == PIPE_SHADER_FRAGMENT)
 351          return INT_MAX;
 352       return 0;
 353
 354    case PIPE_SHADER_CAP_MAX_INPUTS:
 355       switch (shader) {
 356       case PIPE_SHADER_VERTEX:
 357          return MIN2(screen->props.limits.maxVertexInputAttributes,
 358                      PIPE_MAX_SHADER_INPUTS);
 359       case PIPE_SHADER_FRAGMENT:
 360          return MIN2(screen->props.limits.maxFragmentInputComponents / 4,
 361                      PIPE_MAX_SHADER_INPUTS);
 362       default:
 363          return 0; /* unsupported stage */
 364       }
 365
 366    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 367       switch (shader) {
 368       case PIPE_SHADER_VERTEX:
 369          return MIN2(screen->props.limits.maxVertexOutputComponents / 4,
 370                      PIPE_MAX_SHADER_OUTPUTS);
 371       case PIPE_SHADER_FRAGMENT:
 372          return MIN2(screen->props.limits.maxColorAttachments,
 373                 PIPE_MAX_SHADER_OUTPUTS);
 374       default:
 375          return 0; /* unsupported stage */
 376       }
 377
 378    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 379       /* this might be a bit simplistic... */
 380       return MIN2(screen->props.limits.maxPerStageDescriptorSamplers,
 381                   PIPE_MAX_SAMPLERS);
 382
 383    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 384       return MIN2(screen->props.limits.maxUniformBufferRange, INT_MAX);
 385
 386    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 387       return screen->props.limits.maxPerStageDescriptorUniformBuffers;
 388
 389    case PIPE_SHADER_CAP_MAX_TEMPS:
 390       return INT_MAX;
 391
 392    case PIPE_SHADER_CAP_INTEGERS:
 393       return 1;
 394
 395    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 396    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 397    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 398    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 399    case PIPE_SHADER_CAP_SUBROUTINES:
 400    case PIPE_SHADER_CAP_INT64_ATOMICS:
 401    case PIPE_SHADER_CAP_FP16:
 402       return 0; /* not implemented */
 403
 404    case PIPE_SHADER_CAP_PREFERRED_IR:
 405       return PIPE_SHADER_IR_NIR;
 406
 407    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 408       return 0; /* not implemented */
 409
 410    case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 411       return MIN2(screen->props.limits.maxPerStageDescriptorSampledImages,
 412                   PIPE_MAX_SHADER_SAMPLER_VIEWS);
 413
 414    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 415    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 416    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 417       return 0; /* not implemented */
 418
 419    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 420       return 0; /* no idea */
 421
 422    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 423       return 32; /* arbitrary */
 424
 425    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 426       /* TODO: this limitation is dumb, and will need some fixes in mesa */
 427       return MIN2(screen->props.limits.maxPerStageDescriptorStorageBuffers, 8);
 428
 429    case PIPE_SHADER_CAP_SUPPORTED_IRS:
 430       return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
 431
 432    case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 433       return MIN2(screen->props.limits.maxPerStageDescriptorStorageImages,
 434                   PIPE_MAX_SHADER_IMAGES);
 435
 436    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 437    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 438       return 0; /* unsure */
 439
 440    case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 441    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 442    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 443    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 444       return 0; /* not implemented */
 445    }
 446
 447    /* should only get here on unhandled cases */
 448    return 0;
 449 }
 450
 451 static VkSampleCountFlagBits
 452 vk_sample_count_flags(uint32_t sample_count)
 453 {
 454    switch (sample_count) {
 455    case 1: return VK_SAMPLE_COUNT_1_BIT;
 456    case 2: return VK_SAMPLE_COUNT_2_BIT;
 457    case 4: return VK_SAMPLE_COUNT_4_BIT;
 458    case 8: return VK_SAMPLE_COUNT_8_BIT;
 459    case 16: return VK_SAMPLE_COUNT_16_BIT;
 460    case 32: return VK_SAMPLE_COUNT_32_BIT;
 461    case 64: return VK_SAMPLE_COUNT_64_BIT;
 462    default:
 463       return 0;
 464    }
 465 }
 466
 467 static bool
 468 zink_is_format_supported(struct pipe_screen *pscreen,
 469                          enum pipe_format format,
 470                          enum pipe_texture_target target,
 471                          unsigned sample_count,
 472                          unsigned storage_sample_count,
 473                          unsigned bind)
 474 {
 475    struct zink_screen *screen = zink_screen(pscreen);
 476
 477    if (format == PIPE_FORMAT_NONE)
 478       return screen->props.limits.framebufferNoAttachmentsSampleCounts &
 479              vk_sample_count_flags(sample_count);
 480
 481    VkFormat vkformat = zink_get_format(screen, format);
 482    if (vkformat == VK_FORMAT_UNDEFINED)
 483       return false;
 484
 485    if (sample_count >= 1) {
 486       VkSampleCountFlagBits sample_mask = vk_sample_count_flags(sample_count);
 487       if (!sample_mask)
 488          return false;
 489       const struct util_format_description *desc = util_format_description(format);
 490       if (util_format_is_depth_or_stencil(format)) {
 491          if (util_format_has_depth(desc)) {
 492             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 493                 (screen->props.limits.framebufferDepthSampleCounts & sample_mask) != sample_mask)
 494                return false;
 495             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 496                 (screen->props.limits.sampledImageDepthSampleCounts & sample_mask) != sample_mask)
 497                return false;
 498          }
 499          if (util_format_has_stencil(desc)) {
 500             if (bind & PIPE_BIND_DEPTH_STENCIL &&
 501                 (screen->props.limits.framebufferStencilSampleCounts & sample_mask) != sample_mask)
 502                return false;
 503             if (bind & PIPE_BIND_SAMPLER_VIEW &&
 504                 (screen->props.limits.sampledImageStencilSampleCounts & sample_mask) != sample_mask)
 505                return false;
 506          }
 507       } else if (util_format_is_pure_integer(format)) {
 508          if (bind & PIPE_BIND_RENDER_TARGET &&
 509              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 510             return false;
 511          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 512              !(screen->props.limits.sampledImageIntegerSampleCounts & sample_mask))
 513             return false;
 514       } else {
 515          if (bind & PIPE_BIND_RENDER_TARGET &&
 516              !(screen->props.limits.framebufferColorSampleCounts & sample_mask))
 517             return false;
 518          if (bind & PIPE_BIND_SAMPLER_VIEW &&
 519              !(screen->props.limits.sampledImageColorSampleCounts & sample_mask))
 520             return false;
 521       }
 522    }
 523
 524    VkFormatProperties props;
 525    vkGetPhysicalDeviceFormatProperties(screen->pdev, vkformat, &props);
 526
 527    if (target == PIPE_BUFFER) {
 528       if (bind & PIPE_BIND_VERTEX_BUFFER &&
 529           !(props.bufferFeatures & VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT))
 530          return false;
 531    } else {
 532       /* all other targets are texture-targets */
 533       if (bind & PIPE_BIND_RENDER_TARGET &&
 534           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
 535          return false;
 536
 537       if (bind & PIPE_BIND_BLENDABLE &&
 538          !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT))
 539         return false;
 540
 541       if (bind & PIPE_BIND_SAMPLER_VIEW &&
 542           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
 543          return false;
 544
 545       if (bind & PIPE_BIND_DEPTH_STENCIL &&
 546           !(props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT))
 547          return false;
 548    }
 549
 550    if (util_format_is_compressed(format)) {
 551       const struct util_format_description *desc = util_format_description(format);
 552       if (desc->layout == UTIL_FORMAT_LAYOUT_BPTC &&
 553           !screen->feats.textureCompressionBC)
 554          return false;
 555    }
 556
 557    return true;
 558 }
 559
 560 static void
 561 zink_destroy_screen(struct pipe_screen *pscreen)
 562 {
 563    struct zink_screen *screen = zink_screen(pscreen);
 564    slab_destroy_parent(&screen->transfer_pool);
 565    FREE(screen);
 566 }
 567
 568 static VkInstance
 569 create_instance()
 570 {
 571    VkApplicationInfo ai = {};
 572    ai.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
 573
 574    char proc_name[128];
 575    if (os_get_process_name(proc_name, ARRAY_SIZE(proc_name)))
 576       ai.pApplicationName = proc_name;
 577    else
 578       ai.pApplicationName = "unknown";
 579
 580    ai.pEngineName = "mesa zink";
 581    ai.apiVersion = VK_API_VERSION_1_0;
 582
 583    const char *extensions[] = {
 584       VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
 585       VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
 586    };
 587
 588    VkInstanceCreateInfo ici = {};
 589    ici.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
 590    ici.pApplicationInfo = &ai;
 591    ici.ppEnabledExtensionNames = extensions;
 592    ici.enabledExtensionCount = ARRAY_SIZE(extensions);
 593
 594    VkInstance instance = VK_NULL_HANDLE;
 595    VkResult err = vkCreateInstance(&ici, NULL, &instance);
 596    if (err != VK_SUCCESS)
 597       return VK_NULL_HANDLE;
 598
 599    return instance;
 600 }
 601
 602 static VkPhysicalDevice
 603 choose_pdev(const VkInstance instance)
 604 {
 605    uint32_t i, pdev_count;
 606    VkPhysicalDevice *pdevs, pdev;
 607    vkEnumeratePhysicalDevices(instance, &pdev_count, NULL);
 608    assert(pdev_count > 0);
 609
 610    pdevs = malloc(sizeof(*pdevs) * pdev_count);
 611    vkEnumeratePhysicalDevices(instance, &pdev_count, pdevs);
 612    assert(pdev_count > 0);
 613
 614    pdev = pdevs[0];
 615    for (i = 0; i < pdev_count; ++i) {
 616       VkPhysicalDeviceProperties props;
 617       vkGetPhysicalDeviceProperties(pdevs[i], &props);
 618       if (props.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
 619          pdev = pdevs[i];
 620          break;
 621       }
 622    }
 623    free(pdevs);
 624    return pdev;
 625 }
 626
 627 static uint32_t
 628 find_gfx_queue(const VkPhysicalDevice pdev)
 629 {
 630    uint32_t num_queues;
 631    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, NULL);
 632    assert(num_queues > 0);
 633
 634    VkQueueFamilyProperties *props = malloc(sizeof(*props) * num_queues);
 635    vkGetPhysicalDeviceQueueFamilyProperties(pdev, &num_queues, props);
 636
 637    for (uint32_t i = 0; i < num_queues; i++) {
 638       if (props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
 639          free(props);
 640          return i;
 641       }
 642    }
 643
 644    return UINT32_MAX;
 645 }
 646
 647 static void
 648 zink_flush_frontbuffer(struct pipe_screen *pscreen,
 649                        struct pipe_resource *pres,
 650                        unsigned level, unsigned layer,
 651                        void *winsys_drawable_handle,
 652                        struct pipe_box *sub_box)
 653 {
 654    struct zink_screen *screen = zink_screen(pscreen);
 655    struct sw_winsys *winsys = screen->winsys;
 656    struct zink_resource *res = zink_resource(pres);
 657
 658    if (!winsys)
 659      return;
 660    void *map = winsys->displaytarget_map(winsys, res->dt, 0);
 661
 662    if (map) {
 663       VkImageSubresource isr = {};
 664       isr.aspectMask = res->aspect;
 665       isr.mipLevel = level;
 666       isr.arrayLayer = layer;
 667       VkSubresourceLayout layout;
 668       vkGetImageSubresourceLayout(screen->dev, res->image, &isr, &layout);
 669
 670       void *ptr;
 671       VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 672       if (result != VK_SUCCESS) {
 673          debug_printf("failed to map memory for display\n");
 674          return;
 675       }
 676       for (int i = 0; i < pres->height0; ++i) {
 677          uint8_t *src = (uint8_t *)ptr + i * layout.rowPitch;
 678          uint8_t *dst = (uint8_t *)map + i * res->dt_stride;
 679          memcpy(dst, src, res->dt_stride);
 680       }
 681       vkUnmapMemory(screen->dev, res->mem);
 682    }
 683
 684    winsys->displaytarget_unmap(winsys, res->dt);
 685
 686    assert(res->dt);
 687    if (res->dt)
 688       winsys->displaytarget_display(winsys, res->dt, winsys_drawable_handle, sub_box);
 689 }
 690
 691 static struct pipe_screen *
 692 zink_internal_create_screen(struct sw_winsys *winsys, int fd)
 693 {
 694    struct zink_screen *screen = CALLOC_STRUCT(zink_screen);
 695    if (!screen)
 696       return NULL;
 697
 698    zink_debug = debug_get_option_zink_debug();
 699
 700    screen->instance = create_instance();
 701    screen->pdev = choose_pdev(screen->instance);
 702    screen->gfx_queue = find_gfx_queue(screen->pdev);
 703
 704    vkGetPhysicalDeviceProperties(screen->pdev, &screen->props);
 705    vkGetPhysicalDeviceFeatures(screen->pdev, &screen->feats);
 706    vkGetPhysicalDeviceMemoryProperties(screen->pdev, &screen->mem_props);
 707
 708    screen->have_X8_D24_UNORM_PACK32 = zink_is_depth_format_supported(screen,
 709                                               VK_FORMAT_X8_D24_UNORM_PACK32);
 710    screen->have_D24_UNORM_S8_UINT = zink_is_depth_format_supported(screen,
 711                                               VK_FORMAT_D24_UNORM_S8_UINT);
 712
 713    uint32_t num_extensions = 0;
 714    if (vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 715        &num_extensions, NULL) == VK_SUCCESS && num_extensions > 0) {
 716       VkExtensionProperties *extensions = MALLOC(sizeof(VkExtensionProperties) *
 717                                                 num_extensions);
 718       if (extensions) {
 719          vkEnumerateDeviceExtensionProperties(screen->pdev, NULL,
 720                                               &num_extensions, extensions);
 721
 722          for (uint32_t  i = 0; i < num_extensions; ++i) {
 723             if (!strcmp(extensions[i].extensionName,
 724                         VK_KHR_MAINTENANCE1_EXTENSION_NAME))
 725                screen->have_KHR_maintenance1 = true;
 726             if (!strcmp(extensions[i].extensionName,
 727                         VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME))
 728                screen->have_KHR_external_memory_fd = true;
 729          }
 730          FREE(extensions);
 731       }
 732    }
 733
 734    if (!screen->have_KHR_maintenance1) {
 735       debug_printf("ZINK: VK_KHR_maintenance1 required!\n");
 736       goto fail;
 737    }
 738
 739    VkDeviceQueueCreateInfo qci = {};
 740    float dummy = 0.0f;
 741    qci.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
 742    qci.queueFamilyIndex = screen->gfx_queue;
 743    qci.queueCount = 1;
 744    qci.pQueuePriorities = &dummy;
 745
 746    VkDeviceCreateInfo dci = {};
 747    dci.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 748    dci.queueCreateInfoCount = 1;
 749    dci.pQueueCreateInfos = &qci;
 750    dci.pEnabledFeatures = &screen->feats;
 751    const char *extensions[3] = {
 752       VK_KHR_MAINTENANCE1_EXTENSION_NAME,
 753    };
 754    num_extensions = 1;
 755
 756    if (fd >= 0 && !screen->have_KHR_external_memory_fd) {
 757       debug_printf("ZINK: KHR_external_memory_fd required!\n");
 758       goto fail;
 759    }
 760
 761    if (screen->have_KHR_external_memory_fd) {
 762       extensions[num_extensions++] = VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME;
 763       extensions[num_extensions++] = VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME;
 764    }
 765    assert(num_extensions <= ARRAY_SIZE(extensions));
 766
 767    dci.ppEnabledExtensionNames = extensions;
 768    dci.enabledExtensionCount = num_extensions;
 769    if (vkCreateDevice(screen->pdev, &dci, NULL, &screen->dev) != VK_SUCCESS)
 770       goto fail;
 771
 772    screen->winsys = winsys;
 773
 774    screen->base.get_name = zink_get_name;
 775    screen->base.get_vendor = zink_get_vendor;
 776    screen->base.get_device_vendor = zink_get_device_vendor;
 777    screen->base.get_param = zink_get_param;
 778    screen->base.get_paramf = zink_get_paramf;
 779    screen->base.get_shader_param = zink_get_shader_param;
 780    screen->base.get_compiler_options = zink_get_compiler_options;
 781    screen->base.is_format_supported = zink_is_format_supported;
 782    screen->base.context_create = zink_context_create;
 783    screen->base.flush_frontbuffer = zink_flush_frontbuffer;
 784    screen->base.destroy = zink_destroy_screen;
 785
 786    zink_screen_resource_init(&screen->base);
 787    zink_screen_fence_init(&screen->base);
 788
 789    slab_create_parent(&screen->transfer_pool, sizeof(struct zink_transfer), 16);
 790
 791    return &screen->base;
 792
 793 fail:
 794    FREE(screen);
 795    return NULL;
 796 }
 797
 798 struct pipe_screen *
 799 zink_create_screen(struct sw_winsys *winsys)
 800 {
 801    return zink_internal_create_screen(winsys, -1);
 802 }
 803
 804 struct pipe_screen *
 805 zink_drm_create_screen(int fd)
 806 {
 807    return zink_internal_create_screen(NULL, fd);
 808 }