src/gallium/drivers/i965/brw_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #include "util/u_inlines.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_string.h"
  32
  33 #include "brw_reg.h"
  34 #include "brw_context.h"
  35 #include "brw_screen.h"
  36 #include "brw_winsys.h"
  37 #include "brw_debug.h"
  38 #include "brw_resource.h"
  39
  40 #ifdef DEBUG
  41 static const struct debug_named_value debug_names[] = {
  42    { "tex",   DEBUG_TEXTURE},
  43    { "state", DEBUG_STATE},
  44    { "ioctl", DEBUG_IOCTL},
  45    { "blit",  DEBUG_BLIT},
  46    { "curbe", DEBUG_CURBE},
  47    { "fall",  DEBUG_FALLBACKS},
  48    { "verb",  DEBUG_VERBOSE},
  49    { "bat",   DEBUG_BATCH},
  50    { "pix",   DEBUG_PIXEL},
  51    { "wins",  DEBUG_WINSYS},
  52    { "min",   DEBUG_MIN_URB},
  53    { "dis",   DEBUG_DISASSEM},
  54    { "sync",  DEBUG_SYNC},
  55    { "prim",  DEBUG_PRIMS },
  56    { "vert",  DEBUG_VERTS },
  57    { "dma",   DEBUG_DMA },
  58    { "san",   DEBUG_SANITY },
  59    { "sleep", DEBUG_SLEEP },
  60    { "stats", DEBUG_STATS },
  61    { "sing",  DEBUG_SINGLE_THREAD },
  62    { "thre",  DEBUG_SINGLE_THREAD },
  63    { "wm",    DEBUG_WM },
  64    { "urb",   DEBUG_URB },
  65    { "vs",    DEBUG_VS },
  66    { NULL,    0 }
  67 };
  68
  69 static const struct debug_named_value dump_names[] = {
  70    { "asm",   DUMP_ASM},
  71    { "state", DUMP_STATE},
  72    { "batch", DUMP_BATCH},
  73    { NULL, 0 }
  74 };
  75
  76 int BRW_DEBUG = 0;
  77 int BRW_DUMP = 0;
  78
  79 #endif
  80
  81
  82 /*
  83  * Probe functions
  84  */
  85
  86
  87 static const char *
  88 brw_get_vendor(struct pipe_screen *screen)
  89 {
  90    return "VMware, Inc.";
  91 }
  92
  93 static const char *
  94 brw_get_name(struct pipe_screen *screen)
  95 {
  96    static char buffer[128];
  97    const char *chipset;
  98
  99    switch (brw_screen(screen)->chipset.pci_id) {
 100    case PCI_CHIP_I965_G:
 101       chipset = "I965_G";
 102       break;
 103    case PCI_CHIP_I965_Q:
 104       chipset = "I965_Q";
 105       break;
 106    case PCI_CHIP_I965_G_1:
 107       chipset = "I965_G_1";
 108       break;
 109    case PCI_CHIP_I946_GZ:
 110       chipset = "I946_GZ";
 111       break;
 112    case PCI_CHIP_I965_GM:
 113       chipset = "I965_GM";
 114       break;
 115    case PCI_CHIP_I965_GME:
 116       chipset = "I965_GME";
 117       break;
 118    case PCI_CHIP_GM45_GM:
 119       chipset = "GM45_GM";
 120       break;
 121    case PCI_CHIP_IGD_E_G:
 122       chipset = "IGD_E_G";
 123       break;
 124    case PCI_CHIP_Q45_G:
 125       chipset = "Q45_G";
 126       break;
 127    case PCI_CHIP_G45_G:
 128       chipset = "G45_G";
 129       break;
 130    case PCI_CHIP_G41_G:
 131       chipset = "G41_G";
 132       break;
 133    case PCI_CHIP_B43_G:
 134       chipset = "B43_G";
 135       break;
 136    case PCI_CHIP_ILD_G:
 137       chipset = "ILD_G";
 138       break;
 139    case PCI_CHIP_ILM_G:
 140       chipset = "ILM_G";
 141       break;
 142    default:
 143       chipset = "unknown";
 144       break;
 145    }
 146
 147    util_snprintf(buffer, sizeof(buffer), "i965 (chipset: %s)", chipset);
 148    return buffer;
 149 }
 150
 151 static int
 152 brw_get_param(struct pipe_screen *screen, int param)
 153 {
 154    switch (param) {
 155    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 156       return 8;
 157    case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 158       return 8;
 159    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 160       return 16; /* XXX correct? */
 161    case PIPE_CAP_NPOT_TEXTURES:
 162       return 1;
 163    case PIPE_CAP_TWO_SIDED_STENCIL:
 164       return 1;
 165    case PIPE_CAP_GLSL:
 166       return 0;
 167    case PIPE_CAP_ANISOTROPIC_FILTER:
 168       return 0;
 169    case PIPE_CAP_POINT_SPRITE:
 170       return 0;
 171    case PIPE_CAP_MAX_RENDER_TARGETS:
 172       return 1;
 173    case PIPE_CAP_OCCLUSION_QUERY:
 174       return 0;
 175    case PIPE_CAP_TEXTURE_SHADOW_MAP:
 176       return 1;
 177    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 178       return BRW_MAX_TEXTURE_2D_LEVELS;
 179    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 180       return BRW_MAX_TEXTURE_3D_LEVELS;
 181    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 182       return BRW_MAX_TEXTURE_2D_LEVELS;
 183    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 184    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 185       return 1;
 186    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 187    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 188       return 0;
 189    default:
 190       return 0;
 191    }
 192 }
 193
 194 static float
 195 brw_get_paramf(struct pipe_screen *screen, int param)
 196 {
 197    switch (param) {
 198    case PIPE_CAP_MAX_LINE_WIDTH:
 199       /* fall-through */
 200    case PIPE_CAP_MAX_LINE_WIDTH_AA:
 201       return 7.5;
 202
 203    case PIPE_CAP_MAX_POINT_WIDTH:
 204       /* fall-through */
 205    case PIPE_CAP_MAX_POINT_WIDTH_AA:
 206       return 255.0;
 207
 208    case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 209       return 4.0;
 210
 211    case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 212       return 16.0;
 213
 214    default:
 215       return 0;
 216    }
 217 }
 218
 219 static boolean
 220 brw_is_format_supported(struct pipe_screen *screen,
 221                          enum pipe_format format,
 222                          enum pipe_texture_target target,
 223                          unsigned sample_count,
 224                          unsigned tex_usage,
 225                          unsigned geom_flags)
 226 {
 227    static const enum pipe_format tex_supported[] = {
 228       PIPE_FORMAT_L8_UNORM,
 229       PIPE_FORMAT_I8_UNORM,
 230       PIPE_FORMAT_A8_UNORM,
 231       PIPE_FORMAT_L16_UNORM,
 232       /*PIPE_FORMAT_I16_UNORM,*/
 233       /*PIPE_FORMAT_A16_UNORM,*/
 234       PIPE_FORMAT_L8A8_UNORM,
 235       PIPE_FORMAT_B5G6R5_UNORM,
 236       PIPE_FORMAT_B5G5R5A1_UNORM,
 237       PIPE_FORMAT_B4G4R4A4_UNORM,
 238       PIPE_FORMAT_B8G8R8X8_UNORM,
 239       PIPE_FORMAT_B8G8R8A8_UNORM,
 240       /* video */
 241       PIPE_FORMAT_UYVY,
 242       PIPE_FORMAT_YUYV,
 243       /* compressed */
 244       /*PIPE_FORMAT_FXT1_RGBA,*/
 245       PIPE_FORMAT_DXT1_RGB,
 246       PIPE_FORMAT_DXT1_RGBA,
 247       PIPE_FORMAT_DXT3_RGBA,
 248       PIPE_FORMAT_DXT5_RGBA,
 249       /* sRGB */
 250       PIPE_FORMAT_A8B8G8R8_SRGB,
 251       PIPE_FORMAT_L8A8_SRGB,
 252       PIPE_FORMAT_L8_SRGB,
 253       PIPE_FORMAT_DXT1_SRGB,
 254       /* depth */
 255       PIPE_FORMAT_Z32_FLOAT,
 256       PIPE_FORMAT_Z24X8_UNORM,
 257       PIPE_FORMAT_Z24_UNORM_S8_USCALED,
 258       PIPE_FORMAT_Z16_UNORM,
 259       /* signed */
 260       PIPE_FORMAT_R8G8_SNORM,
 261       PIPE_FORMAT_R8G8B8A8_SNORM,
 262       PIPE_FORMAT_NONE  /* list terminator */
 263    };
 264    static const enum pipe_format render_supported[] = {
 265       PIPE_FORMAT_B8G8R8X8_UNORM,
 266       PIPE_FORMAT_B8G8R8A8_UNORM,
 267       PIPE_FORMAT_B5G6R5_UNORM,
 268       PIPE_FORMAT_NONE  /* list terminator */
 269    };
 270    static const enum pipe_format depth_supported[] = {
 271       PIPE_FORMAT_Z32_FLOAT,
 272       PIPE_FORMAT_Z24X8_UNORM,
 273       PIPE_FORMAT_Z24_UNORM_S8_USCALED,
 274       PIPE_FORMAT_Z16_UNORM,
 275       PIPE_FORMAT_NONE  /* list terminator */
 276    };
 277    const enum pipe_format *list;
 278    uint i;
 279
 280    if (sample_count > 1)
 281       return FALSE;
 282
 283    if (tex_usage & PIPE_BIND_DEPTH_STENCIL)
 284       list = depth_supported;
 285    else if (tex_usage & PIPE_BIND_RENDER_TARGET)
 286       list = render_supported;
 287    else
 288       list = tex_supported;
 289
 290    for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
 291       if (list[i] == format)
 292          return TRUE;
 293    }
 294
 295    return FALSE;
 296 }
 297
 298
 299 /*
 300  * Fence functions
 301  */
 302
 303
 304 static void
 305 brw_fence_reference(struct pipe_screen *screen,
 306                      struct pipe_fence_handle **ptr,
 307                      struct pipe_fence_handle *fence)
 308 {
 309 }
 310
 311 static int
 312 brw_fence_signalled(struct pipe_screen *screen,
 313                      struct pipe_fence_handle *fence,
 314                      unsigned flags)
 315 {
 316    return 0;                    /* XXX shouldn't this be a boolean? */
 317 }
 318
 319 static int
 320 brw_fence_finish(struct pipe_screen *screen,
 321                  struct pipe_fence_handle *fence,
 322                  unsigned flags)
 323 {
 324    return 0;
 325 }
 326
 327
 328 /*
 329  * Generic functions
 330  */
 331
 332
 333 static void
 334 brw_destroy_screen(struct pipe_screen *screen)
 335 {
 336    struct brw_screen *bscreen = brw_screen(screen);
 337
 338    if (bscreen->sws)
 339       bscreen->sws->destroy(bscreen->sws);
 340
 341    FREE(bscreen);
 342 }
 343
 344 /**
 345  * Create a new brw_screen object
 346  */
 347 struct pipe_screen *
 348 brw_create_screen(struct brw_winsys_screen *sws, uint pci_id)
 349 {
 350    struct brw_screen *bscreen;
 351    struct brw_chipset chipset;
 352
 353 #ifdef DEBUG
 354    BRW_DEBUG = debug_get_flags_option("BRW_DEBUG", debug_names, 0);
 355    BRW_DEBUG |= debug_get_flags_option("INTEL_DEBUG", debug_names, 0);
 356    BRW_DEBUG |= DEBUG_STATS | DEBUG_MIN_URB | DEBUG_WM;
 357
 358    BRW_DUMP = debug_get_flags_option("BRW_DUMP", dump_names, 0);
 359 #endif
 360
 361    memset(&chipset, 0, sizeof chipset);
 362
 363    chipset.pci_id = pci_id;
 364
 365    switch (pci_id) {
 366    case PCI_CHIP_I965_G:
 367    case PCI_CHIP_I965_Q:
 368    case PCI_CHIP_I965_G_1:
 369    case PCI_CHIP_I946_GZ:
 370    case PCI_CHIP_I965_GM:
 371    case PCI_CHIP_I965_GME:
 372       chipset.is_965 = TRUE;
 373       break;
 374
 375    case PCI_CHIP_GM45_GM:
 376    case PCI_CHIP_IGD_E_G:
 377    case PCI_CHIP_Q45_G:
 378    case PCI_CHIP_G45_G:
 379    case PCI_CHIP_G41_G:
 380    case PCI_CHIP_B43_G:
 381       chipset.is_g4x = TRUE;
 382       break;
 383
 384    case PCI_CHIP_ILD_G:
 385    case PCI_CHIP_ILM_G:
 386       chipset.is_igdng = TRUE;
 387       break;
 388
 389    default:
 390       debug_printf("%s: unknown pci id 0x%x, cannot create screen\n",
 391                    __FUNCTION__, pci_id);
 392       return NULL;
 393    }
 394
 395
 396    bscreen = CALLOC_STRUCT(brw_screen);
 397    if (!bscreen)
 398       return NULL;
 399
 400    bscreen->chipset = chipset;
 401    bscreen->sws = sws;
 402    bscreen->base.winsys = NULL;
 403    bscreen->base.destroy = brw_destroy_screen;
 404    bscreen->base.get_name = brw_get_name;
 405    bscreen->base.get_vendor = brw_get_vendor;
 406    bscreen->base.get_param = brw_get_param;
 407    bscreen->base.get_paramf = brw_get_paramf;
 408    bscreen->base.is_format_supported = brw_is_format_supported;
 409    bscreen->base.context_create = brw_create_context;
 410    bscreen->base.fence_reference = brw_fence_reference;
 411    bscreen->base.fence_signalled = brw_fence_signalled;
 412    bscreen->base.fence_finish = brw_fence_finish;
 413
 414    brw_init_screen_resource_functions(bscreen);
 415    brw_screen_tex_surface_init(bscreen);
 416
 417    bscreen->no_tiling = debug_get_option("BRW_NO_TILING", FALSE) != NULL;
 418
 419
 420    return &bscreen->base;
 421 }