src/gallium/drivers/swr/swr_screen.cpp

   1 /****************************************************************************
   2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  ***************************************************************************/
  23
  24 #include "pipe/p_screen.h"
  25 #include "pipe/p_defines.h"
  26 #include "util/u_memory.h"
  27 #include "util/u_format.h"
  28 #include "util/u_inlines.h"
  29 #include "util/u_cpu_detect.h"
  30 #include "util/u_format_s3tc.h"
  31
  32 #include "state_tracker/sw_winsys.h"
  33
  34 extern "C" {
  35 #include "gallivm/lp_bld_limits.h"
  36 }
  37
  38 #include "swr_public.h"
  39 #include "swr_screen.h"
  40 #include "swr_context.h"
  41 #include "swr_resource.h"
  42 #include "swr_fence.h"
  43 #include "gen_knobs.h"
  44
  45 #include "jit_api.h"
  46
  47 #include <stdio.h>
  48
  49 /* MSVC case instensitive compare */
  50 #if defined(PIPE_CC_MSVC)
  51    #define strcasecmp lstrcmpiA
  52 #endif
  53
  54 /*
  55  * Max texture sizes
  56  * XXX Check max texture size values against core and sampler.
  57  */
  58 #define SWR_MAX_TEXTURE_SIZE (4 * 1048 * 1048 * 1024ULL) /* 4GB */
  59 #define SWR_MAX_TEXTURE_2D_LEVELS 14  /* 8K x 8K for now */
  60 #define SWR_MAX_TEXTURE_3D_LEVELS 12  /* 2K x 2K x 2K for now */
  61 #define SWR_MAX_TEXTURE_CUBE_LEVELS 14  /* 8K x 8K for now */
  62 #define SWR_MAX_TEXTURE_ARRAY_LAYERS 512 /* 8K x 512 / 8K x 8K x 512 */
  63
  64 static const char *
  65 swr_get_name(struct pipe_screen *screen)
  66 {
  67    return "SWR";
  68 }
  69
  70 static const char *
  71 swr_get_vendor(struct pipe_screen *screen)
  72 {
  73    return "Intel Corporation";
  74 }
  75
  76 static boolean
  77 swr_is_format_supported(struct pipe_screen *screen,
  78                         enum pipe_format format,
  79                         enum pipe_texture_target target,
  80                         unsigned sample_count,
  81                         unsigned bind)
  82 {
  83    struct sw_winsys *winsys = swr_screen(screen)->winsys;
  84    const struct util_format_description *format_desc;
  85
  86    assert(target == PIPE_BUFFER || target == PIPE_TEXTURE_1D
  87           || target == PIPE_TEXTURE_1D_ARRAY
  88           || target == PIPE_TEXTURE_2D
  89           || target == PIPE_TEXTURE_2D_ARRAY
  90           || target == PIPE_TEXTURE_RECT
  91           || target == PIPE_TEXTURE_3D
  92           || target == PIPE_TEXTURE_CUBE
  93           || target == PIPE_TEXTURE_CUBE_ARRAY);
  94
  95    format_desc = util_format_description(format);
  96    if (!format_desc)
  97       return FALSE;
  98
  99    if (sample_count > 1)
 100       return FALSE;
 101
 102    if (bind
 103        & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) {
 104       if (!winsys->is_displaytarget_format_supported(winsys, bind, format))
 105          return FALSE;
 106    }
 107
 108    if (bind & PIPE_BIND_RENDER_TARGET) {
 109       if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
 110          return FALSE;
 111
 112       if (mesa_to_swr_format(format) == (SWR_FORMAT)-1)
 113          return FALSE;
 114
 115       /*
 116        * Although possible, it is unnatural to render into compressed or YUV
 117        * surfaces. So disable these here to avoid going into weird paths
 118        * inside the state trackers.
 119        */
 120       if (format_desc->block.width != 1 || format_desc->block.height != 1)
 121          return FALSE;
 122    }
 123
 124    if (bind & PIPE_BIND_DEPTH_STENCIL) {
 125       if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
 126          return FALSE;
 127
 128       if (mesa_to_swr_format(format) == (SWR_FORMAT)-1)
 129          return FALSE;
 130    }
 131
 132    if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
 133        format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
 134       return FALSE;
 135    }
 136
 137    if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
 138        format != PIPE_FORMAT_ETC1_RGB8) {
 139       return FALSE;
 140    }
 141
 142    if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
 143       return util_format_s3tc_enabled;
 144    }
 145
 146    return TRUE;
 147 }
 148
 149 static int
 150 swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
 151 {
 152    switch (param) {
 153    case PIPE_CAP_NPOT_TEXTURES:
 154    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 155    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 156       return 1;
 157    case PIPE_CAP_TWO_SIDED_STENCIL:
 158       return 1;
 159    case PIPE_CAP_SM3:
 160       return 1;
 161    case PIPE_CAP_ANISOTROPIC_FILTER:
 162       return 0;
 163    case PIPE_CAP_POINT_SPRITE:
 164       return 1;
 165    case PIPE_CAP_MAX_RENDER_TARGETS:
 166       return PIPE_MAX_COLOR_BUFS;
 167    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 168       return 1;
 169    case PIPE_CAP_OCCLUSION_QUERY:
 170    case PIPE_CAP_QUERY_TIME_ELAPSED:
 171    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 172       return 1;
 173    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 174       return 1;
 175    case PIPE_CAP_TEXTURE_SHADOW_MAP:
 176       return 1;
 177    case PIPE_CAP_TEXTURE_SWIZZLE:
 178       return 1;
 179    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 180       return 0;
 181    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 182       return SWR_MAX_TEXTURE_2D_LEVELS;
 183    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 184       return SWR_MAX_TEXTURE_3D_LEVELS;
 185    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 186       return SWR_MAX_TEXTURE_CUBE_LEVELS;
 187    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 188       return 1;
 189    case PIPE_CAP_INDEP_BLEND_ENABLE:
 190       return 1;
 191    case PIPE_CAP_INDEP_BLEND_FUNC:
 192       return 1;
 193    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 194       return 0; // Don't support lower left frag coord.
 195    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 196    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 197    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 198       return 1;
 199    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 200       return 1;
 201    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 202       return MAX_SO_STREAMS;
 203    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 204    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 205       return MAX_ATTRIBUTES;
 206    case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 207    case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 208       return 1024;
 209    case PIPE_CAP_MAX_VERTEX_STREAMS:
 210       return 1;
 211    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 212       return 2048;
 213    case PIPE_CAP_PRIMITIVE_RESTART:
 214       return 1;
 215    case PIPE_CAP_SHADER_STENCIL_EXPORT:
 216       return 1;
 217    case PIPE_CAP_TGSI_INSTANCEID:
 218    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 219    case PIPE_CAP_START_INSTANCE:
 220       return 1;
 221    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 222    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 223       return 1;
 224    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 225       return SWR_MAX_TEXTURE_ARRAY_LAYERS;
 226    case PIPE_CAP_MIN_TEXEL_OFFSET:
 227       return -8;
 228    case PIPE_CAP_MAX_TEXEL_OFFSET:
 229       return 7;
 230    case PIPE_CAP_CONDITIONAL_RENDER:
 231       return 1;
 232    case PIPE_CAP_TEXTURE_BARRIER:
 233       return 0;
 234    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 235    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: /* draw module */
 236    case PIPE_CAP_VERTEX_COLOR_CLAMPED: /* draw module */
 237       return 1;
 238    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 239       return 1;
 240    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 241       return 330;
 242    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 243       return 1;
 244    case PIPE_CAP_COMPUTE:
 245       return 0;
 246    case PIPE_CAP_USER_VERTEX_BUFFERS:
 247    case PIPE_CAP_USER_INDEX_BUFFERS:
 248    case PIPE_CAP_USER_CONSTANT_BUFFERS:
 249    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 250    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 251       return 1;
 252    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 253       return 16;
 254    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 255    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 256    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 257    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 258    case PIPE_CAP_TEXTURE_MULTISAMPLE:
 259       return 0;
 260    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 261       return 64;
 262    case PIPE_CAP_QUERY_TIMESTAMP:
 263       return 1;
 264    case PIPE_CAP_CUBE_MAP_ARRAY:
 265       return 0;
 266    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 267       return 1;
 268    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 269       return 65536;
 270    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 271       return 0;
 272    case PIPE_CAP_TGSI_TEXCOORD:
 273    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 274       return 0;
 275    case PIPE_CAP_MAX_VIEWPORTS:
 276       return 1;
 277    case PIPE_CAP_ENDIANNESS:
 278       return PIPE_ENDIAN_NATIVE;
 279    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 280    case PIPE_CAP_TEXTURE_GATHER_SM5:
 281       return 0;
 282    case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 283       return 1;
 284    case PIPE_CAP_TEXTURE_QUERY_LOD:
 285    case PIPE_CAP_SAMPLE_SHADING:
 286    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 287    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 288    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 289    case PIPE_CAP_SAMPLER_VIEW_TARGET:
 290       return 0;
 291    case PIPE_CAP_FAKE_SW_MSAA:
 292       return 1;
 293    case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 294    case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 295       return 0;
 296    case PIPE_CAP_DRAW_INDIRECT:
 297       return 1;
 298
 299    case PIPE_CAP_VENDOR_ID:
 300       return 0xFFFFFFFF;
 301    case PIPE_CAP_DEVICE_ID:
 302       return 0xFFFFFFFF;
 303    case PIPE_CAP_ACCELERATED:
 304       return 0;
 305    case PIPE_CAP_VIDEO_MEMORY: {
 306       /* XXX: Do we want to return the full amount of system memory ? */
 307       uint64_t system_memory;
 308
 309       if (!os_get_total_physical_memory(&system_memory))
 310          return 0;
 311
 312       return (int)(system_memory >> 20);
 313    }
 314    case PIPE_CAP_UMA:
 315       return 1;
 316    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 317       return 1;
 318    case PIPE_CAP_CLIP_HALFZ:
 319       return 1;
 320    case PIPE_CAP_VERTEXID_NOBASE:
 321       return 0;
 322    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 323       return 1;
 324    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 325       return 0;
 326    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 327       return 0; // xxx
 328    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 329       return 0;
 330    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 331       return 0;
 332    case PIPE_CAP_DEPTH_BOUNDS_TEST:
 333       return 0; // xxx
 334    case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 335    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 336       return 1;
 337    case PIPE_CAP_CULL_DISTANCE:
 338       return 1;
 339    case PIPE_CAP_TGSI_TXQS:
 340    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 341    case PIPE_CAP_SHAREABLE_SHADERS:
 342    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 343    case PIPE_CAP_CLEAR_TEXTURE:
 344    case PIPE_CAP_DRAW_PARAMETERS:
 345    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 346    case PIPE_CAP_MULTI_DRAW_INDIRECT:
 347    case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 348    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 349    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 350    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 351    case PIPE_CAP_INVALIDATE_BUFFER:
 352    case PIPE_CAP_GENERATE_MIPMAP:
 353    case PIPE_CAP_STRING_MARKER:
 354    case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 355    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 356    case PIPE_CAP_QUERY_BUFFER_OBJECT:
 357    case PIPE_CAP_QUERY_MEMORY_INFO:
 358    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 359    case PIPE_CAP_PCI_GROUP:
 360    case PIPE_CAP_PCI_BUS:
 361    case PIPE_CAP_PCI_DEVICE:
 362    case PIPE_CAP_PCI_FUNCTION:
 363    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 364    case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 365    case PIPE_CAP_TGSI_VOTE:
 366    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 367    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 368    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 369       return 0;
 370    }
 371
 372    /* should only get here on unhandled cases */
 373    debug_printf("Unexpected PIPE_CAP %d query\n", param);
 374    return 0;
 375 }
 376
 377 static int
 378 swr_get_shader_param(struct pipe_screen *screen,
 379                      unsigned shader,
 380                      enum pipe_shader_cap param)
 381 {
 382    if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_FRAGMENT)
 383       return gallivm_get_shader_param(param);
 384
 385    // Todo: geometry, tesselation, compute
 386    return 0;
 387 }
 388
 389
 390 static float
 391 swr_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 392 {
 393    switch (param) {
 394    case PIPE_CAPF_MAX_LINE_WIDTH:
 395    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 396    case PIPE_CAPF_MAX_POINT_WIDTH:
 397       return 255.0; /* arbitrary */
 398    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 399       return 0.0;
 400    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 401       return 0.0;
 402    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 403       return 0.0;
 404    case PIPE_CAPF_GUARD_BAND_LEFT:
 405    case PIPE_CAPF_GUARD_BAND_TOP:
 406    case PIPE_CAPF_GUARD_BAND_RIGHT:
 407    case PIPE_CAPF_GUARD_BAND_BOTTOM:
 408       return 0.0;
 409    }
 410    /* should only get here on unhandled cases */
 411    debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 412    return 0.0;
 413 }
 414
 415 SWR_FORMAT
 416 mesa_to_swr_format(enum pipe_format format)
 417 {
 418    const struct util_format_description *format_desc =
 419       util_format_description(format);
 420    if (!format_desc)
 421       return (SWR_FORMAT)-1;
 422
 423    // more robust check would be comparing all attributes of the formats
 424    // luckily format names are mostly standardized
 425    for (int i = 0; i < NUM_SWR_FORMATS; i++) {
 426       const SWR_FORMAT_INFO &swr_desc = GetFormatInfo((SWR_FORMAT)i);
 427
 428       if (!strcasecmp(format_desc->short_name, swr_desc.name))
 429          return (SWR_FORMAT)i;
 430    }
 431
 432    // ... with some exceptions
 433    switch (format) {
 434    case PIPE_FORMAT_R8G8B8A8_SRGB:
 435       return R8G8B8A8_UNORM_SRGB;
 436    case PIPE_FORMAT_B8G8R8A8_SRGB:
 437       return B8G8R8A8_UNORM_SRGB;
 438    case PIPE_FORMAT_I8_UNORM:
 439       return R8_UNORM;
 440    case PIPE_FORMAT_Z16_UNORM:
 441       return R16_UNORM;
 442    case PIPE_FORMAT_Z24X8_UNORM:
 443    case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 444       return R24_UNORM_X8_TYPELESS;
 445    case PIPE_FORMAT_Z32_FLOAT:
 446       return R32_FLOAT;
 447    case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 448       return R32_FLOAT_X8X24_TYPELESS;
 449    case PIPE_FORMAT_L8A8_UNORM:
 450       return R8G8_UNORM;
 451    default:
 452       break;
 453    }
 454
 455    debug_printf("asked to convert unsupported format %s\n",
 456                 format_desc->name);
 457    return (SWR_FORMAT)-1;
 458 }
 459
 460 static boolean
 461 swr_displaytarget_layout(struct swr_screen *screen, struct swr_resource *res)
 462 {
 463    struct sw_winsys *winsys = screen->winsys;
 464    struct sw_displaytarget *dt;
 465
 466    UINT stride;
 467    dt = winsys->displaytarget_create(winsys,
 468                                      res->base.bind,
 469                                      res->base.format,
 470                                      res->alignedWidth,
 471                                      res->alignedHeight,
 472                                      64, NULL,
 473                                      &stride);
 474
 475    if (dt == NULL)
 476       return FALSE;
 477
 478    void *map = winsys->displaytarget_map(winsys, dt, 0);
 479
 480    res->display_target = dt;
 481    res->swr.pBaseAddress = (uint8_t*) map;
 482
 483    /* Clear the display target surface */
 484    if (map)
 485       memset(map, 0, res->alignedHeight * stride);
 486
 487    winsys->displaytarget_unmap(winsys, dt);
 488
 489    return TRUE;
 490 }
 491
 492 static boolean
 493 swr_texture_layout(struct swr_screen *screen,
 494                    struct swr_resource *res,
 495                    boolean allocate)
 496 {
 497    struct pipe_resource *pt = &res->base;
 498
 499    pipe_format fmt = pt->format;
 500    const struct util_format_description *desc = util_format_description(fmt);
 501
 502    res->has_depth = util_format_has_depth(desc);
 503    res->has_stencil = util_format_has_stencil(desc);
 504
 505    if (res->has_stencil && !res->has_depth)
 506       fmt = PIPE_FORMAT_R8_UINT;
 507
 508    res->swr.width = pt->width0;
 509    res->swr.height = pt->height0;
 510    res->swr.depth = pt->depth0;
 511    res->swr.type = swr_convert_target_type(pt->target);
 512    res->swr.tileMode = SWR_TILE_NONE;
 513    res->swr.format = mesa_to_swr_format(fmt);
 514    res->swr.numSamples = (1 << pt->nr_samples);
 515
 516    SWR_FORMAT_INFO finfo = GetFormatInfo(res->swr.format);
 517
 518    unsigned total_size = 0;
 519    unsigned width = pt->width0;
 520    unsigned height = pt->height0;
 521    unsigned depth = pt->depth0;
 522    unsigned layers = pt->array_size;
 523
 524    for (int level = 0; level <= pt->last_level; level++) {
 525       unsigned alignedWidth, alignedHeight;
 526       unsigned num_slices;
 527
 528       if (pt->bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL)) {
 529          alignedWidth = align(width, KNOB_MACROTILE_X_DIM);
 530          alignedHeight = align(height, KNOB_MACROTILE_Y_DIM);
 531       } else {
 532          alignedWidth = width;
 533          alignedHeight = height;
 534       }
 535
 536       if (level == 0) {
 537          res->alignedWidth = alignedWidth;
 538          res->alignedHeight = alignedHeight;
 539       }
 540
 541       res->row_stride[level] = alignedWidth * finfo.Bpp;
 542       res->img_stride[level] = res->row_stride[level] * alignedHeight;
 543       res->mip_offsets[level] = total_size;
 544
 545       if (pt->target == PIPE_TEXTURE_3D)
 546          num_slices = depth;
 547       else if (pt->target == PIPE_TEXTURE_1D_ARRAY
 548                || pt->target == PIPE_TEXTURE_2D_ARRAY
 549                || pt->target == PIPE_TEXTURE_CUBE
 550                || pt->target == PIPE_TEXTURE_CUBE_ARRAY)
 551          num_slices = layers;
 552       else
 553          num_slices = 1;
 554
 555       total_size += res->img_stride[level] * num_slices;
 556       if (total_size > SWR_MAX_TEXTURE_SIZE)
 557          return FALSE;
 558
 559       width = u_minify(width, 1);
 560       height = u_minify(height, 1);
 561       depth = u_minify(depth, 1);
 562    }
 563
 564    res->swr.halign = res->alignedWidth;
 565    res->swr.valign = res->alignedHeight;
 566    res->swr.pitch = res->row_stride[0];
 567
 568    if (allocate) {
 569       res->swr.pBaseAddress = (uint8_t *)AlignedMalloc(total_size, 64);
 570
 571       if (res->has_depth && res->has_stencil) {
 572          SWR_FORMAT_INFO finfo = GetFormatInfo(res->secondary.format);
 573          res->secondary.width = pt->width0;
 574          res->secondary.height = pt->height0;
 575          res->secondary.depth = pt->depth0;
 576          res->secondary.type = SURFACE_2D;
 577          res->secondary.tileMode = SWR_TILE_NONE;
 578          res->secondary.format = R8_UINT;
 579          res->secondary.numSamples = (1 << pt->nr_samples);
 580          res->secondary.pitch = res->alignedWidth * finfo.Bpp;
 581
 582          res->secondary.pBaseAddress = (uint8_t *)AlignedMalloc(
 583             res->alignedHeight * res->secondary.pitch, 64);
 584       }
 585    }
 586
 587    return TRUE;
 588 }
 589
 590 static boolean
 591 swr_can_create_resource(struct pipe_screen *screen,
 592                         const struct pipe_resource *templat)
 593 {
 594    struct swr_resource res;
 595    memset(&res, 0, sizeof(res));
 596    res.base = *templat;
 597    return swr_texture_layout(swr_screen(screen), &res, false);
 598 }
 599
 600 static struct pipe_resource *
 601 swr_resource_create(struct pipe_screen *_screen,
 602                     const struct pipe_resource *templat)
 603 {
 604    struct swr_screen *screen = swr_screen(_screen);
 605    struct swr_resource *res = CALLOC_STRUCT(swr_resource);
 606    if (!res)
 607       return NULL;
 608
 609    res->base = *templat;
 610    pipe_reference_init(&res->base.reference, 1);
 611    res->base.screen = &screen->base;
 612
 613    if (swr_resource_is_texture(&res->base)) {
 614       if (res->base.bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT
 615                             | PIPE_BIND_SHARED)) {
 616          /* displayable surface
 617           * first call swr_texture_layout without allocating to finish
 618           * filling out the SWR_SURFAE_STATE in res */
 619          swr_texture_layout(screen, res, false);
 620          if (!swr_displaytarget_layout(screen, res))
 621             goto fail;
 622       } else {
 623          /* texture map */
 624          if (!swr_texture_layout(screen, res, true))
 625             goto fail;
 626       }
 627    } else {
 628       /* other data (vertex buffer, const buffer, etc) */
 629       assert(util_format_get_blocksize(templat->format) == 1);
 630       assert(templat->height0 == 1);
 631       assert(templat->depth0 == 1);
 632       assert(templat->last_level == 0);
 633
 634       /* Easiest to just call swr_texture_layout, as it sets up
 635        * SWR_SURFAE_STATE in res */
 636       if (!swr_texture_layout(screen, res, true))
 637          goto fail;
 638    }
 639
 640    return &res->base;
 641
 642 fail:
 643    FREE(res);
 644    return NULL;
 645 }
 646
 647 static void
 648 swr_resource_destroy(struct pipe_screen *p_screen, struct pipe_resource *pt)
 649 {
 650    struct swr_screen *screen = swr_screen(p_screen);
 651    struct swr_resource *spr = swr_resource(pt);
 652    struct pipe_context *pipe = screen->pipe;
 653
 654    /* Only wait on fence if the resource is being used */
 655    if (pipe && spr->status) {
 656       /* But, if there's no fence pending, submit one.
 657        * XXX: Remove once draw timestamps are implmented. */
 658       if (!swr_is_fence_pending(screen->flush_fence))
 659          swr_fence_submit(swr_context(pipe), screen->flush_fence);
 660
 661       swr_fence_finish(p_screen, NULL, screen->flush_fence, 0);
 662       swr_resource_unused(pt);
 663    }
 664
 665    /*
 666     * Free resource primary surface.  If resource is display target, winsys
 667     * manages the buffer and will free it on displaytarget_destroy.
 668     */
 669    if (spr->display_target) {
 670       /* display target */
 671       struct sw_winsys *winsys = screen->winsys;
 672       winsys->displaytarget_destroy(winsys, spr->display_target);
 673    } else
 674       AlignedFree(spr->swr.pBaseAddress);
 675
 676    AlignedFree(spr->secondary.pBaseAddress);
 677
 678    FREE(spr);
 679 }
 680
 681
 682 static void
 683 swr_flush_frontbuffer(struct pipe_screen *p_screen,
 684                       struct pipe_resource *resource,
 685                       unsigned level,
 686                       unsigned layer,
 687                       void *context_private,
 688                       struct pipe_box *sub_box)
 689 {
 690    struct swr_screen *screen = swr_screen(p_screen);
 691    struct sw_winsys *winsys = screen->winsys;
 692    struct swr_resource *spr = swr_resource(resource);
 693    struct pipe_context *pipe = screen->pipe;
 694
 695    if (pipe) {
 696       swr_fence_finish(p_screen, NULL, screen->flush_fence, 0);
 697       swr_resource_unused(resource);
 698       SwrEndFrame(swr_context(pipe)->swrContext);
 699    }
 700
 701    debug_assert(spr->display_target);
 702    if (spr->display_target)
 703       winsys->displaytarget_display(
 704          winsys, spr->display_target, context_private, sub_box);
 705 }
 706
 707
 708 static void
 709 swr_destroy_screen(struct pipe_screen *p_screen)
 710 {
 711    struct swr_screen *screen = swr_screen(p_screen);
 712    struct sw_winsys *winsys = screen->winsys;
 713
 714    fprintf(stderr, "SWR destroy screen!\n");
 715
 716    swr_fence_finish(p_screen, NULL, screen->flush_fence, 0);
 717    swr_fence_reference(p_screen, &screen->flush_fence, NULL);
 718
 719    JitDestroyContext(screen->hJitMgr);
 720
 721    if (winsys->destroy)
 722       winsys->destroy(winsys);
 723
 724    FREE(screen);
 725 }
 726
 727 PUBLIC
 728 struct pipe_screen *
 729 swr_create_screen(struct sw_winsys *winsys)
 730 {
 731    struct swr_screen *screen = CALLOC_STRUCT(swr_screen);
 732
 733    if (!screen)
 734       return NULL;
 735
 736    if (!getenv("KNOB_MAX_PRIMS_PER_DRAW")) {
 737       g_GlobalKnobs.MAX_PRIMS_PER_DRAW.Value(49152);
 738    }
 739
 740    screen->winsys = winsys;
 741    screen->base.get_name = swr_get_name;
 742    screen->base.get_vendor = swr_get_vendor;
 743    screen->base.is_format_supported = swr_is_format_supported;
 744    screen->base.context_create = swr_create_context;
 745    screen->base.can_create_resource = swr_can_create_resource;
 746
 747    screen->base.destroy = swr_destroy_screen;
 748    screen->base.get_param = swr_get_param;
 749    screen->base.get_shader_param = swr_get_shader_param;
 750    screen->base.get_paramf = swr_get_paramf;
 751
 752    screen->base.resource_create = swr_resource_create;
 753    screen->base.resource_destroy = swr_resource_destroy;
 754
 755    screen->base.flush_frontbuffer = swr_flush_frontbuffer;
 756
 757    screen->hJitMgr = JitCreateContext(KNOB_SIMD_WIDTH, KNOB_ARCH_STR, "swr");
 758
 759    swr_fence_init(&screen->base);
 760
 761    util_format_s3tc_init();
 762
 763    return &screen->base;
 764 }
 765
 766 struct sw_winsys *
 767 swr_get_winsys(struct pipe_screen *pipe)
 768 {
 769    return ((struct swr_screen *)pipe)->winsys;
 770 }
 771
 772 struct sw_displaytarget *
 773 swr_get_displaytarget(struct pipe_resource *resource)
 774 {
 775    return ((struct swr_resource *)resource)->display_target;
 776 }