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 #include "ir3/ir3_nir.h"
  58
  59 /* XXX this should go away */
  60 #include "state_tracker/drm_driver.h"
  61
  62 static const struct debug_named_value debug_options[] = {
  63                 {"msgs",      FD_DBG_MSGS,   "Print debug messages"},
  64                 {"disasm",    FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
  65                 {"dclear",    FD_DBG_DCLEAR, "Mark all state dirty after clear"},
  66                 {"ddraw",     FD_DBG_DDRAW,  "Mark all state dirty after draw"},
  67                 {"noscis",    FD_DBG_NOSCIS, "Disable scissor optimization"},
  68                 {"direct",    FD_DBG_DIRECT, "Force inline (SS_DIRECT) state loads"},
  69                 {"nobypass",  FD_DBG_NOBYPASS, "Disable GMEM bypass"},
  70                 {"fraghalf",  FD_DBG_FRAGHALF, "Use half-precision in fragment shader"},
  71                 {"nobin",     FD_DBG_NOBIN,  "Disable hw binning"},
  72                 {"optmsgs",   FD_DBG_OPTMSGS,"Enable optimizer debug messages"},
  73                 {"glsl120",   FD_DBG_GLSL120,"Temporary flag to force GLSL 1.20 (rather than 1.30) on a3xx+"},
  74                 {"shaderdb",  FD_DBG_SHADERDB, "Enable shaderdb output"},
  75                 {"flush",     FD_DBG_FLUSH,  "Force flush after every draw"},
  76                 {"deqp",      FD_DBG_DEQP,   "Enable dEQP hacks"},
  77                 {"nir",       FD_DBG_NIR,    "Prefer NIR as native IR"},
  78                 {"reorder",   FD_DBG_REORDER,"Enable reordering for draws/blits"},
  79                 {"bstat",     FD_DBG_BSTAT,  "Print batch stats at context destroy"},
  80                 DEBUG_NAMED_VALUE_END
  81 };
  82
  83 DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
  84
  85 int fd_mesa_debug = 0;
  86 bool fd_binning_enabled = true;
  87 static bool glsl120 = false;
  88
  89 static const char *
  90 fd_screen_get_name(struct pipe_screen *pscreen)
  91 {
  92         static char buffer[128];
  93         util_snprintf(buffer, sizeof(buffer), "FD%03d",
  94                         fd_screen(pscreen)->device_id);
  95         return buffer;
  96 }
  97
  98 static const char *
  99 fd_screen_get_vendor(struct pipe_screen *pscreen)
 100 {
 101         return "freedreno";
 102 }
 103
 104 static const char *
 105 fd_screen_get_device_vendor(struct pipe_screen *pscreen)
 106 {
 107         return "Qualcomm";
 108 }
 109
 110
 111 static uint64_t
 112 fd_screen_get_timestamp(struct pipe_screen *pscreen)
 113 {
 114         struct fd_screen *screen = fd_screen(pscreen);
 115
 116         if (screen->has_timestamp) {
 117                 uint64_t n;
 118                 fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &n);
 119                 debug_assert(screen->max_freq > 0);
 120                 return n * 1000000000 / screen->max_freq;
 121         } else {
 122                 int64_t cpu_time = os_time_get() * 1000;
 123                 return cpu_time + screen->cpu_gpu_time_delta;
 124         }
 125
 126 }
 127
 128 static void
 129 fd_screen_destroy(struct pipe_screen *pscreen)
 130 {
 131         struct fd_screen *screen = fd_screen(pscreen);
 132
 133         if (screen->pipe)
 134                 fd_pipe_del(screen->pipe);
 135
 136         if (screen->dev)
 137                 fd_device_del(screen->dev);
 138
 139         fd_bc_fini(&screen->batch_cache);
 140
 141         pipe_mutex_destroy(screen->lock);
 142
 143         free(screen);
 144 }
 145
 146 /*
 147 TODO either move caps to a2xx/a3xx specific code, or maybe have some
 148 tables for things that differ if the delta is not too much..
 149  */
 150 static int
 151 fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 152 {
 153         struct fd_screen *screen = fd_screen(pscreen);
 154
 155         /* this is probably not totally correct.. but it's a start: */
 156         switch (param) {
 157         /* Supported features (boolean caps). */
 158         case PIPE_CAP_NPOT_TEXTURES:
 159         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 160         case PIPE_CAP_TWO_SIDED_STENCIL:
 161         case PIPE_CAP_ANISOTROPIC_FILTER:
 162         case PIPE_CAP_POINT_SPRITE:
 163         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 164         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 165         case PIPE_CAP_TEXTURE_SWIZZLE:
 166         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 167         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 168         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 169         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 170         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 171         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 172         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 173         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 174         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 175         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 176         case PIPE_CAP_VERTEXID_NOBASE:
 177         case PIPE_CAP_STRING_MARKER:
 178         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 179                 return 1;
 180
 181         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 182                 return is_a4xx(screen) ? 0 : 1;
 183
 184         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 185         case PIPE_CAP_TGSI_TEXCOORD:
 186         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 187         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 188         case PIPE_CAP_TEXTURE_BARRIER:
 189         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 190         case PIPE_CAP_COMPUTE:
 191         case PIPE_CAP_QUERY_MEMORY_INFO:
 192         case PIPE_CAP_PCI_GROUP:
 193         case PIPE_CAP_PCI_BUS:
 194         case PIPE_CAP_PCI_DEVICE:
 195         case PIPE_CAP_PCI_FUNCTION:
 196                 return 0;
 197
 198         case PIPE_CAP_SM3:
 199         case PIPE_CAP_PRIMITIVE_RESTART:
 200         case PIPE_CAP_TGSI_INSTANCEID:
 201         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 202         case PIPE_CAP_INDEP_BLEND_ENABLE:
 203         case PIPE_CAP_INDEP_BLEND_FUNC:
 204         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 205         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 206         case PIPE_CAP_CONDITIONAL_RENDER:
 207         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 208         case PIPE_CAP_FAKE_SW_MSAA:
 209         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 210         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 211         case PIPE_CAP_CLIP_HALFZ:
 212                 return is_a3xx(screen) || is_a4xx(screen);
 213
 214         case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 215                 return 0;
 216         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 217                 if (is_a3xx(screen)) return 16;
 218                 if (is_a4xx(screen)) return 32;
 219                 return 0;
 220         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 221                 /* We could possibly emulate more by pretending 2d/rect textures and
 222                  * splitting high bits of index into 2nd dimension..
 223                  */
 224                 if (is_a3xx(screen)) return 8192;
 225                 if (is_a4xx(screen)) return 16384;
 226                 return 0;
 227
 228         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 229         case PIPE_CAP_CUBE_MAP_ARRAY:
 230         case PIPE_CAP_START_INSTANCE:
 231         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 232         case PIPE_CAP_TEXTURE_QUERY_LOD:
 233                 return is_a4xx(screen);
 234
 235         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 236                 return 64;
 237
 238         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 239                 if (glsl120)
 240                         return 120;
 241                 return is_ir3(screen) ? 140 : 120;
 242
 243         /* Unsupported features. */
 244         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 245         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 246         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 247         case PIPE_CAP_USER_VERTEX_BUFFERS:
 248         case PIPE_CAP_USER_INDEX_BUFFERS:
 249         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 250         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 251         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 252         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 253         case PIPE_CAP_TEXTURE_GATHER_SM5:
 254         case PIPE_CAP_SAMPLE_SHADING:
 255         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 256         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 257         case PIPE_CAP_DRAW_INDIRECT:
 258         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 259         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 260         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 261         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 262         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 263         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 264         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 265         case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 266         case PIPE_CAP_DEPTH_BOUNDS_TEST:
 267         case PIPE_CAP_TGSI_TXQS:
 268         /* TODO if we need this, do it in nir/ir3 backend to avoid breaking precompile: */
 269         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 270         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 271         case PIPE_CAP_CLEAR_TEXTURE:
 272         case PIPE_CAP_DRAW_PARAMETERS:
 273         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 274         case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 275         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 276         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 277         case PIPE_CAP_INVALIDATE_BUFFER:
 278         case PIPE_CAP_GENERATE_MIPMAP:
 279         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 280         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 281         case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 282         case PIPE_CAP_CULL_DISTANCE:
 283         case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 284         case PIPE_CAP_TGSI_VOTE:
 285         case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 286         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 287         case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 288                 return 0;
 289
 290         case PIPE_CAP_MAX_VIEWPORTS:
 291                 return 1;
 292
 293         case PIPE_CAP_SHAREABLE_SHADERS:
 294         /* manage the variants for these ourself, to avoid breaking precompile: */
 295         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 296         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 297                 if (is_ir3(screen))
 298                         return 1;
 299                 return 0;
 300
 301         /* Stream output. */
 302         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 303                 if (is_ir3(screen))
 304                         return PIPE_MAX_SO_BUFFERS;
 305                 return 0;
 306         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 307                 if (is_ir3(screen))
 308                         return 1;
 309                 return 0;
 310         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 311         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 312                 if (is_ir3(screen))
 313                         return 16 * 4;   /* should only be shader out limit? */
 314                 return 0;
 315
 316         /* Geometry shader output, unsupported. */
 317         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 318         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 319         case PIPE_CAP_MAX_VERTEX_STREAMS:
 320                 return 0;
 321
 322         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 323                 return 2048;
 324
 325         /* Texturing. */
 326         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 327         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 328                 return MAX_MIP_LEVELS;
 329         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 330                 return 11;
 331
 332         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 333                 return (is_a3xx(screen) || is_a4xx(screen)) ? 256 : 0;
 334
 335         /* Render targets. */
 336         case PIPE_CAP_MAX_RENDER_TARGETS:
 337                 return screen->max_rts;
 338         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 339                 return is_a3xx(screen) ? 1 : 0;
 340
 341         /* Queries. */
 342         case PIPE_CAP_QUERY_BUFFER_OBJECT:
 343                 return 0;
 344         case PIPE_CAP_OCCLUSION_QUERY:
 345                 return is_a3xx(screen) || is_a4xx(screen);
 346         case PIPE_CAP_QUERY_TIMESTAMP:
 347         case PIPE_CAP_QUERY_TIME_ELAPSED:
 348                 /* only a4xx, requires new enough kernel so we know max_freq: */
 349                 return (screen->max_freq > 0) && is_a4xx(screen);
 350
 351         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 352         case PIPE_CAP_MIN_TEXEL_OFFSET:
 353                 return -8;
 354
 355         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 356         case PIPE_CAP_MAX_TEXEL_OFFSET:
 357                 return 7;
 358
 359         case PIPE_CAP_ENDIANNESS:
 360                 return PIPE_ENDIAN_LITTLE;
 361
 362         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 363                 return 64;
 364
 365         case PIPE_CAP_VENDOR_ID:
 366                 return 0x5143;
 367         case PIPE_CAP_DEVICE_ID:
 368                 return 0xFFFFFFFF;
 369         case PIPE_CAP_ACCELERATED:
 370                 return 1;
 371         case PIPE_CAP_VIDEO_MEMORY:
 372                 DBG("FINISHME: The value returned is incorrect\n");
 373                 return 10;
 374         case PIPE_CAP_UMA:
 375                 return 1;
 376         }
 377         debug_printf("unknown param %d\n", param);
 378         return 0;
 379 }
 380
 381 static float
 382 fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 383 {
 384         switch (param) {
 385         case PIPE_CAPF_MAX_LINE_WIDTH:
 386         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 387                 /* NOTE: actual value is 127.0f, but this is working around a deqp
 388                  * bug.. dEQP-GLES3.functional.rasterization.primitives.lines_wide
 389                  * uses too small of a render target size, and gets confused when
 390                  * the lines start going offscreen.
 391                  *
 392                  * See: https://code.google.com/p/android/issues/detail?id=206513
 393                  */
 394                 if (fd_mesa_debug & FD_DBG_DEQP)
 395                         return 48.0f;
 396                 return 127.0f;
 397         case PIPE_CAPF_MAX_POINT_WIDTH:
 398         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 399                 return 4092.0f;
 400         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 401                 return 16.0f;
 402         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 403                 return 15.0f;
 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 0.0f;
 409         }
 410         debug_printf("unknown paramf %d\n", param);
 411         return 0;
 412 }
 413
 414 static int
 415 fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 416                 enum pipe_shader_cap param)
 417 {
 418         struct fd_screen *screen = fd_screen(pscreen);
 419
 420         switch(shader)
 421         {
 422         case PIPE_SHADER_FRAGMENT:
 423         case PIPE_SHADER_VERTEX:
 424                 break;
 425         case PIPE_SHADER_COMPUTE:
 426         case PIPE_SHADER_GEOMETRY:
 427                 /* maye we could emulate.. */
 428                 return 0;
 429         default:
 430                 DBG("unknown shader type %d", shader);
 431                 return 0;
 432         }
 433
 434         /* this is probably not totally correct.. but it's a start: */
 435         switch (param) {
 436         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 437         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 438         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 439         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 440                 return 16384;
 441         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 442                 return 8; /* XXX */
 443         case PIPE_SHADER_CAP_MAX_INPUTS:
 444         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 445                 return 16;
 446         case PIPE_SHADER_CAP_MAX_TEMPS:
 447                 return 64; /* Max native temporaries. */
 448         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 449                 /* NOTE: seems to be limit for a3xx is actually 512 but
 450                  * split between VS and FS.  Use lower limit of 256 to
 451                  * avoid getting into impossible situations:
 452                  */
 453                 return ((is_a3xx(screen) || is_a4xx(screen)) ? 4096 : 64) * sizeof(float[4]);
 454         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 455                 return is_ir3(screen) ? 16 : 1;
 456         case PIPE_SHADER_CAP_MAX_PREDS:
 457                 return 0; /* nothing uses this */
 458         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 459                 return 1;
 460         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 461         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 462                 /* Technically this should be the same as for TEMP/CONST, since
 463                  * everything is just normal registers.  This is just temporary
 464                  * hack until load_input/store_output handle arrays in a similar
 465                  * way as load_var/store_var..
 466                  */
 467                 return 0;
 468         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 469         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 470                 /* a2xx compiler doesn't handle indirect: */
 471                 return is_ir3(screen) ? 1 : 0;
 472         case PIPE_SHADER_CAP_SUBROUTINES:
 473         case PIPE_SHADER_CAP_DOUBLES:
 474         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 475         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 476         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 477         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 478                 return 0;
 479         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 480                 return 1;
 481         case PIPE_SHADER_CAP_INTEGERS:
 482                 if (glsl120)
 483                         return 0;
 484                 return is_ir3(screen) ? 1 : 0;
 485         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 486         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 487                 return 16;
 488         case PIPE_SHADER_CAP_PREFERRED_IR:
 489                 if ((fd_mesa_debug & FD_DBG_NIR) && is_ir3(screen))
 490                         return PIPE_SHADER_IR_NIR;
 491                 return PIPE_SHADER_IR_TGSI;
 492         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 493                 return 0;
 494         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 495                 return 32;
 496         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 497         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 498                 return 0;
 499         }
 500         debug_printf("unknown shader param %d\n", param);
 501         return 0;
 502 }
 503
 504 static const void *
 505 fd_get_compiler_options(struct pipe_screen *pscreen,
 506                 enum pipe_shader_ir ir, unsigned shader)
 507 {
 508         struct fd_screen *screen = fd_screen(pscreen);
 509
 510         if (is_ir3(screen))
 511                 return ir3_get_compiler_options();
 512
 513         return NULL;
 514 }
 515
 516 boolean
 517 fd_screen_bo_get_handle(struct pipe_screen *pscreen,
 518                 struct fd_bo *bo,
 519                 unsigned stride,
 520                 struct winsys_handle *whandle)
 521 {
 522         whandle->stride = stride;
 523
 524         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 525                 return fd_bo_get_name(bo, &whandle->handle) == 0;
 526         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 527                 whandle->handle = fd_bo_handle(bo);
 528                 return TRUE;
 529         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 530                 whandle->handle = fd_bo_dmabuf(bo);
 531                 return TRUE;
 532         } else {
 533                 return FALSE;
 534         }
 535 }
 536
 537 struct fd_bo *
 538 fd_screen_bo_from_handle(struct pipe_screen *pscreen,
 539                 struct winsys_handle *whandle)
 540 {
 541         struct fd_screen *screen = fd_screen(pscreen);
 542         struct fd_bo *bo;
 543
 544         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 545                 bo = fd_bo_from_name(screen->dev, whandle->handle);
 546         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 547                 bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
 548         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 549                 bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
 550         } else {
 551                 DBG("Attempt to import unsupported handle type %d", whandle->type);
 552                 return NULL;
 553         }
 554
 555         if (!bo) {
 556                 DBG("ref name 0x%08x failed", whandle->handle);
 557                 return NULL;
 558         }
 559
 560         return bo;
 561 }
 562
 563 struct pipe_screen *
 564 fd_screen_create(struct fd_device *dev)
 565 {
 566         struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
 567         struct pipe_screen *pscreen;
 568         uint64_t val;
 569
 570         fd_mesa_debug = debug_get_option_fd_mesa_debug();
 571
 572         if (fd_mesa_debug & FD_DBG_NOBIN)
 573                 fd_binning_enabled = false;
 574
 575         glsl120 = !!(fd_mesa_debug & FD_DBG_GLSL120);
 576
 577         if (!screen)
 578                 return NULL;
 579
 580         pscreen = &screen->base;
 581
 582         screen->dev = dev;
 583         screen->refcnt = 1;
 584
 585         // maybe this should be in context?
 586         screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 587         if (!screen->pipe) {
 588                 DBG("could not create 3d pipe");
 589                 goto fail;
 590         }
 591
 592         if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
 593                 DBG("could not get GMEM size");
 594                 goto fail;
 595         }
 596         screen->gmemsize_bytes = val;
 597
 598         if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
 599                 DBG("could not get device-id");
 600                 goto fail;
 601         }
 602         screen->device_id = val;
 603
 604         if (fd_pipe_get_param(screen->pipe, FD_MAX_FREQ, &val)) {
 605                 DBG("could not get gpu freq");
 606                 /* this limits what performance related queries are
 607                  * supported but is not fatal
 608                  */
 609                 screen->max_freq = 0;
 610         } else {
 611                 screen->max_freq = val;
 612                 if (fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &val) == 0)
 613                         screen->has_timestamp = true;
 614         }
 615
 616         if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
 617                 DBG("could not get gpu-id");
 618                 goto fail;
 619         }
 620         screen->gpu_id = val;
 621
 622         if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
 623                 DBG("could not get chip-id");
 624                 /* older kernels may not have this property: */
 625                 unsigned core  = screen->gpu_id / 100;
 626                 unsigned major = (screen->gpu_id % 100) / 10;
 627                 unsigned minor = screen->gpu_id % 10;
 628                 unsigned patch = 0;  /* assume the worst */
 629                 val = (patch & 0xff) | ((minor & 0xff) << 8) |
 630                         ((major & 0xff) << 16) | ((core & 0xff) << 24);
 631         }
 632         screen->chip_id = val;
 633
 634         DBG("Pipe Info:");
 635         DBG(" GPU-id:          %d", screen->gpu_id);
 636         DBG(" Chip-id:         0x%08x", screen->chip_id);
 637         DBG(" GMEM size:       0x%08x", screen->gmemsize_bytes);
 638
 639         /* explicitly checking for GPU revisions that are known to work.  This
 640          * may be overly conservative for a3xx, where spoofing the gpu_id with
 641          * the blob driver seems to generate identical cmdstream dumps.  But
 642          * on a2xx, there seem to be small differences between the GPU revs
 643          * so it is probably better to actually test first on real hardware
 644          * before enabling:
 645          *
 646          * If you have a different adreno version, feel free to add it to one
 647          * of the cases below and see what happens.  And if it works, please
 648          * send a patch ;-)
 649          */
 650         switch (screen->gpu_id) {
 651         case 220:
 652                 fd2_screen_init(pscreen);
 653                 break;
 654         case 305:
 655         case 307:
 656         case 320:
 657         case 330:
 658                 fd3_screen_init(pscreen);
 659                 break;
 660         case 420:
 661         case 430:
 662                 fd4_screen_init(pscreen);
 663                 break;
 664         default:
 665                 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
 666                 goto fail;
 667         }
 668
 669         /* NOTE: don't enable reordering on a2xx, since completely untested.
 670          * Also, don't enable if we have too old of a kernel to support
 671          * growable cmdstream buffers, since memory requirement for cmdstream
 672          * buffers would be too much otherwise.
 673          */
 674         if ((screen->gpu_id >= 300) && (fd_device_version(dev) >= FD_VERSION_UNLIMITED_CMDS))
 675                 screen->reorder = !!(fd_mesa_debug & FD_DBG_REORDER);
 676
 677         fd_bc_init(&screen->batch_cache);
 678
 679         pipe_mutex_init(screen->lock);
 680
 681         pscreen->destroy = fd_screen_destroy;
 682         pscreen->get_param = fd_screen_get_param;
 683         pscreen->get_paramf = fd_screen_get_paramf;
 684         pscreen->get_shader_param = fd_screen_get_shader_param;
 685         pscreen->get_compiler_options = fd_get_compiler_options;
 686
 687         fd_resource_screen_init(pscreen);
 688         fd_query_screen_init(pscreen);
 689
 690         pscreen->get_name = fd_screen_get_name;
 691         pscreen->get_vendor = fd_screen_get_vendor;
 692         pscreen->get_device_vendor = fd_screen_get_device_vendor;
 693
 694         pscreen->get_timestamp = fd_screen_get_timestamp;
 695
 696         pscreen->fence_reference = fd_screen_fence_ref;
 697         pscreen->fence_finish = fd_screen_fence_finish;
 698
 699         util_format_s3tc_init();
 700
 701         return pscreen;
 702
 703 fail:
 704         fd_screen_destroy(pscreen);
 705         return NULL;
 706 }