src/gallium/drivers/freedreno/freedreno_screen.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29
  30 #include "pipe/p_defines.h"
  31 #include "pipe/p_screen.h"
  32 #include "pipe/p_state.h"
  33
  34 #include "util/u_memory.h"
  35 #include "util/u_inlines.h"
  36 #include "util/u_format.h"
  37 #include "util/u_format_s3tc.h"
  38 #include "util/u_string.h"
  39 #include "util/u_debug.h"
  40
  41 #include "os/os_time.h"
  42
  43 #include <stdio.h>
  44 #include <errno.h>
  45 #include <stdlib.h>
  46
  47 #include "freedreno_screen.h"
  48 #include "freedreno_resource.h"
  49 #include "freedreno_fence.h"
  50 #include "freedreno_query.h"
  51 #include "freedreno_util.h"
  52
  53 #include "a2xx/fd2_screen.h"
  54 #include "a3xx/fd3_screen.h"
  55 #include "a4xx/fd4_screen.h"
  56
  57 /* XXX this should go away */
  58 #include "state_tracker/drm_driver.h"
  59
  60 static const struct debug_named_value debug_options[] = {
  61                 {"msgs",      FD_DBG_MSGS,   "Print debug messages"},
  62                 {"disasm",    FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
  63                 {"dclear",    FD_DBG_DCLEAR, "Mark all state dirty after clear"},
  64                 {"flush",     FD_DBG_FLUSH,  "Force flush after every draw"},
  65                 {"noscis",    FD_DBG_NOSCIS, "Disable scissor optimization"},
  66                 {"direct",    FD_DBG_DIRECT, "Force inline (SS_DIRECT) state loads"},
  67                 {"nobypass",  FD_DBG_NOBYPASS, "Disable GMEM bypass"},
  68                 {"fraghalf",  FD_DBG_FRAGHALF, "Use half-precision in fragment shader"},
  69                 {"nobin",     FD_DBG_NOBIN,  "Disable hw binning"},
  70                 {"optmsgs",   FD_DBG_OPTMSGS,"Enable optimizer debug messages"},
  71                 {"glsl120",   FD_DBG_GLSL120,"Temporary flag to force GLSL 120 (rather than 130) on a3xx+"},
  72                 DEBUG_NAMED_VALUE_END
  73 };
  74
  75 DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
  76
  77 int fd_mesa_debug = 0;
  78 bool fd_binning_enabled = true;
  79 static bool glsl120 = false;
  80
  81 static const char *
  82 fd_screen_get_name(struct pipe_screen *pscreen)
  83 {
  84         static char buffer[128];
  85         util_snprintf(buffer, sizeof(buffer), "FD%03d",
  86                         fd_screen(pscreen)->device_id);
  87         return buffer;
  88 }
  89
  90 static const char *
  91 fd_screen_get_vendor(struct pipe_screen *pscreen)
  92 {
  93         return "freedreno";
  94 }
  95
  96 static const char *
  97 fd_screen_get_device_vendor(struct pipe_screen *pscreen)
  98 {
  99         return "Qualcomm";
 100 }
 101
 102
 103 static uint64_t
 104 fd_screen_get_timestamp(struct pipe_screen *pscreen)
 105 {
 106         int64_t cpu_time = os_time_get() * 1000;
 107         return cpu_time + fd_screen(pscreen)->cpu_gpu_time_delta;
 108 }
 109
 110 static void
 111 fd_screen_destroy(struct pipe_screen *pscreen)
 112 {
 113         struct fd_screen *screen = fd_screen(pscreen);
 114
 115         if (screen->pipe)
 116                 fd_pipe_del(screen->pipe);
 117
 118         if (screen->dev)
 119                 fd_device_del(screen->dev);
 120
 121         free(screen);
 122 }
 123
 124 /*
 125 TODO either move caps to a2xx/a3xx specific code, or maybe have some
 126 tables for things that differ if the delta is not too much..
 127  */
 128 static int
 129 fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 130 {
 131         struct fd_screen *screen = fd_screen(pscreen);
 132
 133         /* this is probably not totally correct.. but it's a start: */
 134         switch (param) {
 135         /* Supported features (boolean caps). */
 136         case PIPE_CAP_NPOT_TEXTURES:
 137         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 138         case PIPE_CAP_TWO_SIDED_STENCIL:
 139         case PIPE_CAP_ANISOTROPIC_FILTER:
 140         case PIPE_CAP_POINT_SPRITE:
 141         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 142         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 143         case PIPE_CAP_TEXTURE_SWIZZLE:
 144         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 145         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 146         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 147         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 148         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 149         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 150         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 151         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 152         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 153         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 154         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 155         case PIPE_CAP_VERTEXID_NOBASE:
 156                 return 1;
 157
 158         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 159         case PIPE_CAP_TGSI_TEXCOORD:
 160         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 161         case PIPE_CAP_CONDITIONAL_RENDER:
 162         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 163         case PIPE_CAP_TEXTURE_BARRIER:
 164         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 165         case PIPE_CAP_CUBE_MAP_ARRAY:
 166         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 167         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 168         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 169         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 170         case PIPE_CAP_START_INSTANCE:
 171         case PIPE_CAP_COMPUTE:
 172                 return 0;
 173
 174         case PIPE_CAP_SM3:
 175         case PIPE_CAP_PRIMITIVE_RESTART:
 176         case PIPE_CAP_TGSI_INSTANCEID:
 177         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 178                 return is_a3xx(screen) || is_a4xx(screen);
 179
 180         case PIPE_CAP_INDEP_BLEND_ENABLE:
 181         case PIPE_CAP_INDEP_BLEND_FUNC:
 182         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 183                 return is_a3xx(screen);
 184
 185         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 186                 return 256;
 187
 188         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 189                 if (glsl120)
 190                         return 120;
 191                 return (is_a3xx(screen) || is_a4xx(screen)) ? 130 : 120;
 192
 193         /* Unsupported features. */
 194         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 195         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 196         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 197         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 198         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 199         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 200         case PIPE_CAP_USER_VERTEX_BUFFERS:
 201         case PIPE_CAP_USER_INDEX_BUFFERS:
 202         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 203         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 204         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 205         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 206         case PIPE_CAP_TEXTURE_GATHER_SM5:
 207         case PIPE_CAP_FAKE_SW_MSAA:
 208         case PIPE_CAP_TEXTURE_QUERY_LOD:
 209         case PIPE_CAP_SAMPLE_SHADING:
 210         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 211         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 212         case PIPE_CAP_DRAW_INDIRECT:
 213         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 214         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 215         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 216         case PIPE_CAP_CLIP_HALFZ:
 217         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 218         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 219         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 220         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 221                 return 0;
 222
 223         case PIPE_CAP_MAX_VIEWPORTS:
 224                 return 1;
 225
 226         /* Stream output. */
 227         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 228         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 229         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 230         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 231                 return 0;
 232
 233         /* Geometry shader output, unsupported. */
 234         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 235         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 236         case PIPE_CAP_MAX_VERTEX_STREAMS:
 237                 return 0;
 238
 239         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 240                 return 2048;
 241
 242         /* Texturing. */
 243         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 244         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 245                 return MAX_MIP_LEVELS;
 246         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 247                 return 11;
 248
 249         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 250                 return (is_a3xx(screen) || is_a4xx(screen)) ? 256 : 0;
 251
 252         /* Render targets. */
 253         case PIPE_CAP_MAX_RENDER_TARGETS:
 254                 return screen->max_rts;
 255
 256         /* Queries. */
 257         case PIPE_CAP_QUERY_TIME_ELAPSED:
 258         case PIPE_CAP_QUERY_TIMESTAMP:
 259                 return 0;
 260         case PIPE_CAP_OCCLUSION_QUERY:
 261                 /* TODO still missing on a4xx, but we lie to get gl2..
 262                  * it's not a feature, it's a bug!
 263                  */
 264                 return is_a3xx(screen) || is_a4xx(screen);
 265
 266         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 267         case PIPE_CAP_MIN_TEXEL_OFFSET:
 268                 return -8;
 269
 270         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 271         case PIPE_CAP_MAX_TEXEL_OFFSET:
 272                 return 7;
 273
 274         case PIPE_CAP_ENDIANNESS:
 275                 return PIPE_ENDIAN_LITTLE;
 276
 277         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 278                 return 64;
 279
 280         case PIPE_CAP_VENDOR_ID:
 281                 return 0x5143;
 282         case PIPE_CAP_DEVICE_ID:
 283                 return 0xFFFFFFFF;
 284         case PIPE_CAP_ACCELERATED:
 285                 return 1;
 286         case PIPE_CAP_VIDEO_MEMORY:
 287                 DBG("FINISHME: The value returned is incorrect\n");
 288                 return 10;
 289         case PIPE_CAP_UMA:
 290                 return 1;
 291         }
 292         debug_printf("unknown param %d\n", param);
 293         return 0;
 294 }
 295
 296 static float
 297 fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 298 {
 299         switch (param) {
 300         case PIPE_CAPF_MAX_LINE_WIDTH:
 301         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 302         case PIPE_CAPF_MAX_POINT_WIDTH:
 303         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 304                 return 4092.0f;
 305         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 306                 return 16.0f;
 307         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 308                 return 15.0f;
 309         case PIPE_CAPF_GUARD_BAND_LEFT:
 310         case PIPE_CAPF_GUARD_BAND_TOP:
 311         case PIPE_CAPF_GUARD_BAND_RIGHT:
 312         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 313                 return 0.0f;
 314         }
 315         debug_printf("unknown paramf %d\n", param);
 316         return 0;
 317 }
 318
 319 static int
 320 fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 321                 enum pipe_shader_cap param)
 322 {
 323         struct fd_screen *screen = fd_screen(pscreen);
 324
 325         switch(shader)
 326         {
 327         case PIPE_SHADER_FRAGMENT:
 328         case PIPE_SHADER_VERTEX:
 329                 break;
 330         case PIPE_SHADER_COMPUTE:
 331         case PIPE_SHADER_GEOMETRY:
 332                 /* maye we could emulate.. */
 333                 return 0;
 334         default:
 335                 DBG("unknown shader type %d", shader);
 336                 return 0;
 337         }
 338
 339         /* this is probably not totally correct.. but it's a start: */
 340         switch (param) {
 341         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 342         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 343         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 344         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 345                 return 16384;
 346         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 347                 return 8; /* XXX */
 348         case PIPE_SHADER_CAP_MAX_INPUTS:
 349         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 350                 return 16;
 351         case PIPE_SHADER_CAP_MAX_TEMPS:
 352                 return 64; /* Max native temporaries. */
 353         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 354                 /* NOTE: seems to be limit for a3xx is actually 512 but
 355                  * split between VS and FS.  Use lower limit of 256 to
 356                  * avoid getting into impossible situations:
 357                  */
 358                 return ((is_a3xx(screen) || is_a4xx(screen)) ? 4096 : 64) * sizeof(float[4]);
 359         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 360                 return (is_a3xx(screen) || is_a4xx(screen)) ? 16 : 1;
 361         case PIPE_SHADER_CAP_MAX_PREDS:
 362                 return 0; /* nothing uses this */
 363         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 364                 return 1;
 365         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 366         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 367         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 368         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 369                 return 1;
 370         case PIPE_SHADER_CAP_SUBROUTINES:
 371         case PIPE_SHADER_CAP_DOUBLES:
 372         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 373         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 374         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 375         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 376                 return 0;
 377         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 378                 return 1;
 379         case PIPE_SHADER_CAP_INTEGERS:
 380                 if (glsl120)
 381                         return 0;
 382                 return (is_a3xx(screen) || is_a4xx(screen)) ? 1 : 0;
 383         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 384         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 385                 return 16;
 386         case PIPE_SHADER_CAP_PREFERRED_IR:
 387                 return PIPE_SHADER_IR_TGSI;
 388         }
 389         debug_printf("unknown shader param %d\n", param);
 390         return 0;
 391 }
 392
 393 boolean
 394 fd_screen_bo_get_handle(struct pipe_screen *pscreen,
 395                 struct fd_bo *bo,
 396                 unsigned stride,
 397                 struct winsys_handle *whandle)
 398 {
 399         whandle->stride = stride;
 400
 401         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 402                 return fd_bo_get_name(bo, &whandle->handle) == 0;
 403         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 404                 whandle->handle = fd_bo_handle(bo);
 405                 return TRUE;
 406         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 407                 whandle->handle = fd_bo_dmabuf(bo);
 408                 return TRUE;
 409         } else {
 410                 return FALSE;
 411         }
 412 }
 413
 414 struct fd_bo *
 415 fd_screen_bo_from_handle(struct pipe_screen *pscreen,
 416                 struct winsys_handle *whandle,
 417                 unsigned *out_stride)
 418 {
 419         struct fd_screen *screen = fd_screen(pscreen);
 420         struct fd_bo *bo;
 421
 422         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 423                 bo = fd_bo_from_name(screen->dev, whandle->handle);
 424         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 425                 bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
 426         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 427                 bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
 428         } else {
 429                 DBG("Attempt to import unsupported handle type %d", whandle->type);
 430                 return NULL;
 431         }
 432
 433         if (!bo) {
 434                 DBG("ref name 0x%08x failed", whandle->handle);
 435                 return NULL;
 436         }
 437
 438         *out_stride = whandle->stride;
 439
 440         return bo;
 441 }
 442
 443 struct pipe_screen *
 444 fd_screen_create(struct fd_device *dev)
 445 {
 446         struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
 447         struct pipe_screen *pscreen;
 448         uint64_t val;
 449
 450         fd_mesa_debug = debug_get_option_fd_mesa_debug();
 451
 452         if (fd_mesa_debug & FD_DBG_NOBIN)
 453                 fd_binning_enabled = false;
 454
 455         glsl120 = !!(fd_mesa_debug & FD_DBG_GLSL120);
 456
 457         if (!screen)
 458                 return NULL;
 459
 460         pscreen = &screen->base;
 461
 462         screen->dev = dev;
 463
 464         // maybe this should be in context?
 465         screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 466         if (!screen->pipe) {
 467                 DBG("could not create 3d pipe");
 468                 goto fail;
 469         }
 470
 471         if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
 472                 DBG("could not get GMEM size");
 473                 goto fail;
 474         }
 475         screen->gmemsize_bytes = val;
 476
 477         if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
 478                 DBG("could not get device-id");
 479                 goto fail;
 480         }
 481         screen->device_id = val;
 482
 483         if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
 484                 DBG("could not get gpu-id");
 485                 goto fail;
 486         }
 487         screen->gpu_id = val;
 488
 489         if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
 490                 DBG("could not get chip-id");
 491                 /* older kernels may not have this property: */
 492                 unsigned core  = screen->gpu_id / 100;
 493                 unsigned major = (screen->gpu_id % 100) / 10;
 494                 unsigned minor = screen->gpu_id % 10;
 495                 unsigned patch = 0;  /* assume the worst */
 496                 val = (patch & 0xff) | ((minor & 0xff) << 8) |
 497                         ((major & 0xff) << 16) | ((core & 0xff) << 24);
 498         }
 499         screen->chip_id = val;
 500
 501         DBG("Pipe Info:");
 502         DBG(" GPU-id:          %d", screen->gpu_id);
 503         DBG(" Chip-id:         0x%08x", screen->chip_id);
 504         DBG(" GMEM size:       0x%08x", screen->gmemsize_bytes);
 505
 506         /* explicitly checking for GPU revisions that are known to work.  This
 507          * may be overly conservative for a3xx, where spoofing the gpu_id with
 508          * the blob driver seems to generate identical cmdstream dumps.  But
 509          * on a2xx, there seem to be small differences between the GPU revs
 510          * so it is probably better to actually test first on real hardware
 511          * before enabling:
 512          *
 513          * If you have a different adreno version, feel free to add it to one
 514          * of the cases below and see what happens.  And if it works, please
 515          * send a patch ;-)
 516          */
 517         switch (screen->gpu_id) {
 518         case 220:
 519                 fd2_screen_init(pscreen);
 520                 break;
 521         case 307:
 522         case 320:
 523         case 330:
 524                 fd3_screen_init(pscreen);
 525                 break;
 526         case 420:
 527                 fd4_screen_init(pscreen);
 528                 break;
 529         default:
 530                 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
 531                 goto fail;
 532         }
 533
 534         pscreen->destroy = fd_screen_destroy;
 535         pscreen->get_param = fd_screen_get_param;
 536         pscreen->get_paramf = fd_screen_get_paramf;
 537         pscreen->get_shader_param = fd_screen_get_shader_param;
 538
 539         fd_resource_screen_init(pscreen);
 540         fd_query_screen_init(pscreen);
 541
 542         pscreen->get_name = fd_screen_get_name;
 543         pscreen->get_vendor = fd_screen_get_vendor;
 544         pscreen->get_device_vendor = fd_screen_get_device_vendor;
 545
 546         pscreen->get_timestamp = fd_screen_get_timestamp;
 547
 548         pscreen->fence_reference = fd_screen_fence_ref;
 549         pscreen->fence_signalled = fd_screen_fence_signalled;
 550         pscreen->fence_finish = fd_screen_fence_finish;
 551
 552         util_format_s3tc_init();
 553
 554         return pscreen;
 555
 556 fail:
 557         fd_screen_destroy(pscreen);
 558         return NULL;
 559 }