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 #include "a5xx/fd5_screen.h"
  57
  58 #include "ir3/ir3_nir.h"
  59
  60 /* XXX this should go away */
  61 #include "state_tracker/drm_driver.h"
  62
  63 static const struct debug_named_value debug_options[] = {
  64                 {"msgs",      FD_DBG_MSGS,   "Print debug messages"},
  65                 {"disasm",    FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
  66                 {"dclear",    FD_DBG_DCLEAR, "Mark all state dirty after clear"},
  67                 {"ddraw",     FD_DBG_DDRAW,  "Mark all state dirty after draw"},
  68                 {"noscis",    FD_DBG_NOSCIS, "Disable scissor optimization"},
  69                 {"direct",    FD_DBG_DIRECT, "Force inline (SS_DIRECT) state loads"},
  70                 {"nobypass",  FD_DBG_NOBYPASS, "Disable GMEM bypass"},
  71                 {"fraghalf",  FD_DBG_FRAGHALF, "Use half-precision in fragment shader"},
  72                 {"nobin",     FD_DBG_NOBIN,  "Disable hw binning"},
  73                 {"optmsgs",   FD_DBG_OPTMSGS,"Enable optimizer debug messages"},
  74                 {"glsl120",   FD_DBG_GLSL120,"Temporary flag to force GLSL 1.20 (rather than 1.30) on a3xx+"},
  75                 {"shaderdb",  FD_DBG_SHADERDB, "Enable shaderdb output"},
  76                 {"flush",     FD_DBG_FLUSH,  "Force flush after every draw"},
  77                 {"deqp",      FD_DBG_DEQP,   "Enable dEQP hacks"},
  78                 {"nir",       FD_DBG_NIR,    "Prefer NIR as native IR"},
  79                 {"inorder",   FD_DBG_INORDER,"Disable reordering for draws/blits"},
  80                 {"bstat",     FD_DBG_BSTAT,  "Print batch stats at context destroy"},
  81                 {"nogrow",    FD_DBG_NOGROW, "Disable \"growable\" cmdstream buffers, even if kernel supports it"},
  82                 DEBUG_NAMED_VALUE_END
  83 };
  84
  85 DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
  86
  87 int fd_mesa_debug = 0;
  88 bool fd_binning_enabled = true;
  89 static bool glsl120 = false;
  90
  91 static const char *
  92 fd_screen_get_name(struct pipe_screen *pscreen)
  93 {
  94         static char buffer[128];
  95         util_snprintf(buffer, sizeof(buffer), "FD%03d",
  96                         fd_screen(pscreen)->device_id);
  97         return buffer;
  98 }
  99
 100 static const char *
 101 fd_screen_get_vendor(struct pipe_screen *pscreen)
 102 {
 103         return "freedreno";
 104 }
 105
 106 static const char *
 107 fd_screen_get_device_vendor(struct pipe_screen *pscreen)
 108 {
 109         return "Qualcomm";
 110 }
 111
 112
 113 static uint64_t
 114 fd_screen_get_timestamp(struct pipe_screen *pscreen)
 115 {
 116         struct fd_screen *screen = fd_screen(pscreen);
 117
 118         if (screen->has_timestamp) {
 119                 uint64_t n;
 120                 fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &n);
 121                 debug_assert(screen->max_freq > 0);
 122                 return n * 1000000000 / screen->max_freq;
 123         } else {
 124                 int64_t cpu_time = os_time_get() * 1000;
 125                 return cpu_time + screen->cpu_gpu_time_delta;
 126         }
 127
 128 }
 129
 130 static void
 131 fd_screen_destroy(struct pipe_screen *pscreen)
 132 {
 133         struct fd_screen *screen = fd_screen(pscreen);
 134
 135         if (screen->pipe)
 136                 fd_pipe_del(screen->pipe);
 137
 138         if (screen->dev)
 139                 fd_device_del(screen->dev);
 140
 141         fd_bc_fini(&screen->batch_cache);
 142
 143         slab_destroy_parent(&screen->transfer_pool);
 144
 145         mtx_destroy(&screen->lock);
 146
 147         ralloc_free(screen->compiler);
 148
 149         free(screen);
 150 }
 151
 152 /*
 153 TODO either move caps to a2xx/a3xx specific code, or maybe have some
 154 tables for things that differ if the delta is not too much..
 155  */
 156 static int
 157 fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 158 {
 159         struct fd_screen *screen = fd_screen(pscreen);
 160
 161         /* this is probably not totally correct.. but it's a start: */
 162         switch (param) {
 163         /* Supported features (boolean caps). */
 164         case PIPE_CAP_NPOT_TEXTURES:
 165         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 166         case PIPE_CAP_TWO_SIDED_STENCIL:
 167         case PIPE_CAP_ANISOTROPIC_FILTER:
 168         case PIPE_CAP_POINT_SPRITE:
 169         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 170         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 171         case PIPE_CAP_TEXTURE_SWIZZLE:
 172         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 173         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 174         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 175         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 176         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 177         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 178         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 179         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 180         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 181         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 182         case PIPE_CAP_STRING_MARKER:
 183         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 184                 return 1;
 185
 186         case PIPE_CAP_VERTEXID_NOBASE:
 187                 return is_a3xx(screen) || is_a4xx(screen);
 188
 189         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 190                 return is_a4xx(screen) ? 0 : 1;
 191
 192         case PIPE_CAP_COMPUTE:
 193                 return has_compute(screen);
 194
 195         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 196         case PIPE_CAP_TGSI_TEXCOORD:
 197         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 198         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 199         case PIPE_CAP_TEXTURE_BARRIER:
 200         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 201         case PIPE_CAP_QUERY_MEMORY_INFO:
 202         case PIPE_CAP_PCI_GROUP:
 203         case PIPE_CAP_PCI_BUS:
 204         case PIPE_CAP_PCI_DEVICE:
 205         case PIPE_CAP_PCI_FUNCTION:
 206                 return 0;
 207
 208         case PIPE_CAP_SM3:
 209         case PIPE_CAP_PRIMITIVE_RESTART:
 210         case PIPE_CAP_TGSI_INSTANCEID:
 211         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 212         case PIPE_CAP_INDEP_BLEND_ENABLE:
 213         case PIPE_CAP_INDEP_BLEND_FUNC:
 214         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 215         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 216         case PIPE_CAP_CONDITIONAL_RENDER:
 217         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 218         case PIPE_CAP_FAKE_SW_MSAA:
 219         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 220         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 221         case PIPE_CAP_CLIP_HALFZ:
 222                 return is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen);
 223
 224         case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 225                 return 0;
 226         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 227                 if (is_a3xx(screen)) return 16;
 228                 if (is_a4xx(screen)) return 32;
 229                 if (is_a5xx(screen)) return 32;
 230                 return 0;
 231         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 232                 /* We could possibly emulate more by pretending 2d/rect textures and
 233                  * splitting high bits of index into 2nd dimension..
 234                  */
 235                 if (is_a3xx(screen)) return 8192;
 236                 if (is_a4xx(screen)) return 16384;
 237                 if (is_a5xx(screen)) return 16384;
 238                 return 0;
 239
 240         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 241         case PIPE_CAP_CUBE_MAP_ARRAY:
 242         case PIPE_CAP_START_INSTANCE:
 243         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 244         case PIPE_CAP_TEXTURE_QUERY_LOD:
 245                 return is_a4xx(screen) || is_a5xx(screen);
 246
 247         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 248                 return 64;
 249
 250         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 251                 if (glsl120)
 252                         return 120;
 253                 return is_ir3(screen) ? 140 : 120;
 254
 255         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 256                 if (is_a5xx(screen))
 257                         return 4;
 258                 return 0;
 259
 260         /* Unsupported features. */
 261         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 262         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 263         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 264         case PIPE_CAP_USER_VERTEX_BUFFERS:
 265         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 266         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 267         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 268         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 269         case PIPE_CAP_TEXTURE_GATHER_SM5:
 270         case PIPE_CAP_SAMPLE_SHADING:
 271         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 272         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 273         case PIPE_CAP_DRAW_INDIRECT:
 274         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 275         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 276         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 277         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 278         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 279         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 280         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 281         case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 282         case PIPE_CAP_DEPTH_BOUNDS_TEST:
 283         case PIPE_CAP_TGSI_TXQS:
 284         /* TODO if we need this, do it in nir/ir3 backend to avoid breaking precompile: */
 285         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 286         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 287         case PIPE_CAP_CLEAR_TEXTURE:
 288         case PIPE_CAP_DRAW_PARAMETERS:
 289         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 290         case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 291         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 292         case PIPE_CAP_INVALIDATE_BUFFER:
 293         case PIPE_CAP_GENERATE_MIPMAP:
 294         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 295         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 296         case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 297         case PIPE_CAP_CULL_DISTANCE:
 298         case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 299         case PIPE_CAP_TGSI_VOTE:
 300         case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 301         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 302         case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 303         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 304         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 305         case PIPE_CAP_TGSI_FS_FBFETCH:
 306         case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 307         case PIPE_CAP_DOUBLES:
 308         case PIPE_CAP_INT64:
 309         case PIPE_CAP_INT64_DIVMOD:
 310         case PIPE_CAP_TGSI_TEX_TXF_LZ:
 311         case PIPE_CAP_TGSI_CLOCK:
 312         case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 313         case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 314         case PIPE_CAP_TGSI_BALLOT:
 315         case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
 316         case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 317                 return 0;
 318
 319         case PIPE_CAP_MAX_VIEWPORTS:
 320                 return 1;
 321
 322         case PIPE_CAP_SHAREABLE_SHADERS:
 323         case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 324         /* manage the variants for these ourself, to avoid breaking precompile: */
 325         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 326         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 327                 if (is_ir3(screen))
 328                         return 1;
 329                 return 0;
 330
 331         /* Stream output. */
 332         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 333                 if (is_ir3(screen))
 334                         return PIPE_MAX_SO_BUFFERS;
 335                 return 0;
 336         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 337         case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 338                 if (is_ir3(screen))
 339                         return 1;
 340                 return 0;
 341         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 342         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 343                 if (is_ir3(screen))
 344                         return 16 * 4;   /* should only be shader out limit? */
 345                 return 0;
 346
 347         /* Geometry shader output, unsupported. */
 348         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 349         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 350         case PIPE_CAP_MAX_VERTEX_STREAMS:
 351                 return 0;
 352
 353         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 354                 return 2048;
 355
 356         /* Texturing. */
 357         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 358         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 359                 return MAX_MIP_LEVELS;
 360         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 361                 return 11;
 362
 363         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 364                 return (is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen)) ? 256 : 0;
 365
 366         /* Render targets. */
 367         case PIPE_CAP_MAX_RENDER_TARGETS:
 368                 return screen->max_rts;
 369         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 370                 return is_a3xx(screen) ? 1 : 0;
 371
 372         /* Queries. */
 373         case PIPE_CAP_QUERY_BUFFER_OBJECT:
 374                 return 0;
 375         case PIPE_CAP_OCCLUSION_QUERY:
 376                 return is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen);
 377         case PIPE_CAP_QUERY_TIMESTAMP:
 378         case PIPE_CAP_QUERY_TIME_ELAPSED:
 379                 /* only a4xx, requires new enough kernel so we know max_freq: */
 380                 return (screen->max_freq > 0) && is_a4xx(screen);
 381
 382         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 383         case PIPE_CAP_MIN_TEXEL_OFFSET:
 384                 return -8;
 385
 386         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 387         case PIPE_CAP_MAX_TEXEL_OFFSET:
 388                 return 7;
 389
 390         case PIPE_CAP_ENDIANNESS:
 391                 return PIPE_ENDIAN_LITTLE;
 392
 393         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 394                 return 64;
 395
 396         case PIPE_CAP_VENDOR_ID:
 397                 return 0x5143;
 398         case PIPE_CAP_DEVICE_ID:
 399                 return 0xFFFFFFFF;
 400         case PIPE_CAP_ACCELERATED:
 401                 return 1;
 402         case PIPE_CAP_VIDEO_MEMORY:
 403                 DBG("FINISHME: The value returned is incorrect\n");
 404                 return 10;
 405         case PIPE_CAP_UMA:
 406                 return 1;
 407         case PIPE_CAP_NATIVE_FENCE_FD:
 408                 return fd_device_version(screen->dev) >= FD_VERSION_FENCE_FD;
 409         }
 410         debug_printf("unknown param %d\n", param);
 411         return 0;
 412 }
 413
 414 static float
 415 fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 416 {
 417         switch (param) {
 418         case PIPE_CAPF_MAX_LINE_WIDTH:
 419         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 420                 /* NOTE: actual value is 127.0f, but this is working around a deqp
 421                  * bug.. dEQP-GLES3.functional.rasterization.primitives.lines_wide
 422                  * uses too small of a render target size, and gets confused when
 423                  * the lines start going offscreen.
 424                  *
 425                  * See: https://code.google.com/p/android/issues/detail?id=206513
 426                  */
 427                 if (fd_mesa_debug & FD_DBG_DEQP)
 428                         return 48.0f;
 429                 return 127.0f;
 430         case PIPE_CAPF_MAX_POINT_WIDTH:
 431         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 432                 return 4092.0f;
 433         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 434                 return 16.0f;
 435         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 436                 return 15.0f;
 437         case PIPE_CAPF_GUARD_BAND_LEFT:
 438         case PIPE_CAPF_GUARD_BAND_TOP:
 439         case PIPE_CAPF_GUARD_BAND_RIGHT:
 440         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 441                 return 0.0f;
 442         }
 443         debug_printf("unknown paramf %d\n", param);
 444         return 0;
 445 }
 446
 447 static int
 448 fd_screen_get_shader_param(struct pipe_screen *pscreen,
 449                 enum pipe_shader_type shader,
 450                 enum pipe_shader_cap param)
 451 {
 452         struct fd_screen *screen = fd_screen(pscreen);
 453
 454         switch(shader)
 455         {
 456         case PIPE_SHADER_FRAGMENT:
 457         case PIPE_SHADER_VERTEX:
 458                 break;
 459         case PIPE_SHADER_COMPUTE:
 460                 if (has_compute(screen))
 461                         break;
 462                 return 0;
 463         case PIPE_SHADER_GEOMETRY:
 464                 /* maye we could emulate.. */
 465                 return 0;
 466         default:
 467                 DBG("unknown shader type %d", shader);
 468                 return 0;
 469         }
 470
 471         /* this is probably not totally correct.. but it's a start: */
 472         switch (param) {
 473         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 474         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 475         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 476         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 477                 return 16384;
 478         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 479                 return 8; /* XXX */
 480         case PIPE_SHADER_CAP_MAX_INPUTS:
 481         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 482                 return 16;
 483         case PIPE_SHADER_CAP_MAX_TEMPS:
 484                 return 64; /* Max native temporaries. */
 485         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 486                 /* NOTE: seems to be limit for a3xx is actually 512 but
 487                  * split between VS and FS.  Use lower limit of 256 to
 488                  * avoid getting into impossible situations:
 489                  */
 490                 return ((is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen)) ? 4096 : 64) * sizeof(float[4]);
 491         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 492                 return is_ir3(screen) ? 16 : 1;
 493         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 494                 return 1;
 495         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 496         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 497                 /* Technically this should be the same as for TEMP/CONST, since
 498                  * everything is just normal registers.  This is just temporary
 499                  * hack until load_input/store_output handle arrays in a similar
 500                  * way as load_var/store_var..
 501                  */
 502                 return 0;
 503         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 504         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 505                 /* a2xx compiler doesn't handle indirect: */
 506                 return is_ir3(screen) ? 1 : 0;
 507         case PIPE_SHADER_CAP_SUBROUTINES:
 508         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 509         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 510         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 511         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 512                 return 0;
 513         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 514                 return 1;
 515         case PIPE_SHADER_CAP_INTEGERS:
 516                 if (glsl120)
 517                         return 0;
 518                 return is_ir3(screen) ? 1 : 0;
 519         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 520         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 521                 return 16;
 522         case PIPE_SHADER_CAP_PREFERRED_IR:
 523                 switch (shader) {
 524                 case PIPE_SHADER_FRAGMENT:
 525                 case PIPE_SHADER_VERTEX:
 526                         if ((fd_mesa_debug & FD_DBG_NIR) && is_ir3(screen))
 527                                 return PIPE_SHADER_IR_NIR;
 528                         return PIPE_SHADER_IR_TGSI;
 529                 default:
 530                         /* tgsi_to_nir doesn't really support much beyond FS/VS: */
 531                         debug_assert(is_ir3(screen));
 532                         return PIPE_SHADER_IR_NIR;
 533                 }
 534                 break;
 535         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 536                 if (is_ir3(screen)) {
 537                         return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
 538                 } else {
 539                         return (1 << PIPE_SHADER_IR_TGSI);
 540                 }
 541                 return 0;
 542         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 543                 return 32;
 544         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 545         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 546                 return 0;
 547         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 548                 if (is_a5xx(screen)) {
 549                         /* a5xx (and a4xx for that matter) has one state-block
 550                          * for compute-shader SSBO's and another that is shared
 551                          * by VS/HS/DS/GS/FS..  so to simplify things for now
 552                          * just advertise SSBOs for FS and CS.  We could possibly
 553                          * do what blob does, and partition the space for
 554                          * VS/HS/DS/GS/FS.  The blob advertises:
 555                          *
 556                          *   GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS: 4
 557                          *   GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS: 4
 558                          *   GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS: 4
 559                          *   GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS: 4
 560                          *   GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS: 4
 561                          *   GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS: 24
 562                          *   GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS: 24
 563                          *
 564                          * I think that way we could avoid having to patch shaders
 565                          * for actual SSBO indexes by using a static partitioning.
 566                          */
 567                         switch(shader)
 568                         {
 569                         case PIPE_SHADER_FRAGMENT:
 570                         case PIPE_SHADER_COMPUTE:
 571                                 return 24;
 572                         default:
 573                                 return 0;
 574                         }
 575                 }
 576                 return 0;
 577         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 578                 /* probably should be same as MAX_SHADRER_BUFFERS but not implemented yet */
 579                 return 0;
 580         }
 581         debug_printf("unknown shader param %d\n", param);
 582         return 0;
 583 }
 584
 585 /* TODO depending on how much the limits differ for a3xx/a4xx, maybe move this
 586  * into per-generation backend?
 587  */
 588 static int
 589 fd_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 590                 enum pipe_compute_cap param, void *ret)
 591 {
 592         struct fd_screen *screen = fd_screen(pscreen);
 593         const char * const ir = "ir3";
 594
 595         if (!has_compute(screen))
 596                 return 0;
 597
 598         switch (param) {
 599         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 600                 if (ret) {
 601                         uint32_t *address_bits = ret;
 602                         address_bits[0] = 32;
 603
 604                         if (is_a5xx(screen))
 605                                 address_bits[0] = 64;
 606                 }
 607                 return 1 * sizeof(uint32_t);
 608
 609         case PIPE_COMPUTE_CAP_IR_TARGET:
 610                 if (ret)
 611                         sprintf(ret, ir);
 612                 return strlen(ir) * sizeof(char);
 613
 614         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 615                 if (ret) {
 616                         uint64_t *grid_dimension = ret;
 617                         grid_dimension[0] = 3;
 618                 }
 619                 return 1 * sizeof(uint64_t);
 620
 621         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 622                 if (ret) {
 623                         uint64_t *grid_size = ret;
 624                         grid_size[0] = 65535;
 625                         grid_size[1] = 65535;
 626                         grid_size[2] = 65535;
 627                 }
 628                 return 3 * sizeof(uint64_t) ;
 629
 630         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 631                 if (ret) {
 632                         uint64_t *grid_size = ret;
 633                         grid_size[0] = 1024;
 634                         grid_size[1] = 1024;
 635                         grid_size[2] = 64;
 636                 }
 637                 return 3 * sizeof(uint64_t) ;
 638
 639         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 640                 if (ret) {
 641                         uint64_t *max_threads_per_block = ret;
 642                         *max_threads_per_block = 1024;
 643                 }
 644                 return sizeof(uint64_t);
 645
 646         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 647         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 648         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 649         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 650                 break;
 651         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
 652                 if (ret) {
 653                         uint64_t *max = ret;
 654                         *max = 32768;
 655                 }
 656                 return sizeof(uint64_t);
 657         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 658         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 659         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 660         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 661         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 662                 break;
 663         }
 664
 665         return 0;
 666 }
 667
 668 static const void *
 669 fd_get_compiler_options(struct pipe_screen *pscreen,
 670                 enum pipe_shader_ir ir, unsigned shader)
 671 {
 672         struct fd_screen *screen = fd_screen(pscreen);
 673
 674         if (is_ir3(screen))
 675                 return ir3_get_compiler_options();
 676
 677         return NULL;
 678 }
 679
 680 boolean
 681 fd_screen_bo_get_handle(struct pipe_screen *pscreen,
 682                 struct fd_bo *bo,
 683                 unsigned stride,
 684                 struct winsys_handle *whandle)
 685 {
 686         whandle->stride = stride;
 687
 688         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 689                 return fd_bo_get_name(bo, &whandle->handle) == 0;
 690         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 691                 whandle->handle = fd_bo_handle(bo);
 692                 return TRUE;
 693         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 694                 whandle->handle = fd_bo_dmabuf(bo);
 695                 return TRUE;
 696         } else {
 697                 return FALSE;
 698         }
 699 }
 700
 701 struct fd_bo *
 702 fd_screen_bo_from_handle(struct pipe_screen *pscreen,
 703                 struct winsys_handle *whandle)
 704 {
 705         struct fd_screen *screen = fd_screen(pscreen);
 706         struct fd_bo *bo;
 707
 708         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 709                 bo = fd_bo_from_name(screen->dev, whandle->handle);
 710         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 711                 bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
 712         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
 713                 bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
 714         } else {
 715                 DBG("Attempt to import unsupported handle type %d", whandle->type);
 716                 return NULL;
 717         }
 718
 719         if (!bo) {
 720                 DBG("ref name 0x%08x failed", whandle->handle);
 721                 return NULL;
 722         }
 723
 724         return bo;
 725 }
 726
 727 struct pipe_screen *
 728 fd_screen_create(struct fd_device *dev)
 729 {
 730         struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
 731         struct pipe_screen *pscreen;
 732         uint64_t val;
 733
 734         fd_mesa_debug = debug_get_option_fd_mesa_debug();
 735
 736         if (fd_mesa_debug & FD_DBG_NOBIN)
 737                 fd_binning_enabled = false;
 738
 739         glsl120 = !!(fd_mesa_debug & FD_DBG_GLSL120);
 740
 741         if (!screen)
 742                 return NULL;
 743
 744         pscreen = &screen->base;
 745
 746         screen->dev = dev;
 747         screen->refcnt = 1;
 748
 749         // maybe this should be in context?
 750         screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 751         if (!screen->pipe) {
 752                 DBG("could not create 3d pipe");
 753                 goto fail;
 754         }
 755
 756         if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
 757                 DBG("could not get GMEM size");
 758                 goto fail;
 759         }
 760         screen->gmemsize_bytes = val;
 761
 762         if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
 763                 DBG("could not get device-id");
 764                 goto fail;
 765         }
 766         screen->device_id = val;
 767
 768         if (fd_pipe_get_param(screen->pipe, FD_MAX_FREQ, &val)) {
 769                 DBG("could not get gpu freq");
 770                 /* this limits what performance related queries are
 771                  * supported but is not fatal
 772                  */
 773                 screen->max_freq = 0;
 774         } else {
 775                 screen->max_freq = val;
 776                 if (fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &val) == 0)
 777                         screen->has_timestamp = true;
 778         }
 779
 780         if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
 781                 DBG("could not get gpu-id");
 782                 goto fail;
 783         }
 784         screen->gpu_id = val;
 785
 786         if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
 787                 DBG("could not get chip-id");
 788                 /* older kernels may not have this property: */
 789                 unsigned core  = screen->gpu_id / 100;
 790                 unsigned major = (screen->gpu_id % 100) / 10;
 791                 unsigned minor = screen->gpu_id % 10;
 792                 unsigned patch = 0;  /* assume the worst */
 793                 val = (patch & 0xff) | ((minor & 0xff) << 8) |
 794                         ((major & 0xff) << 16) | ((core & 0xff) << 24);
 795         }
 796         screen->chip_id = val;
 797
 798         DBG("Pipe Info:");
 799         DBG(" GPU-id:          %d", screen->gpu_id);
 800         DBG(" Chip-id:         0x%08x", screen->chip_id);
 801         DBG(" GMEM size:       0x%08x", screen->gmemsize_bytes);
 802
 803         /* explicitly checking for GPU revisions that are known to work.  This
 804          * may be overly conservative for a3xx, where spoofing the gpu_id with
 805          * the blob driver seems to generate identical cmdstream dumps.  But
 806          * on a2xx, there seem to be small differences between the GPU revs
 807          * so it is probably better to actually test first on real hardware
 808          * before enabling:
 809          *
 810          * If you have a different adreno version, feel free to add it to one
 811          * of the cases below and see what happens.  And if it works, please
 812          * send a patch ;-)
 813          */
 814         switch (screen->gpu_id) {
 815         case 220:
 816                 fd2_screen_init(pscreen);
 817                 break;
 818         case 305:
 819         case 307:
 820         case 320:
 821         case 330:
 822                 fd3_screen_init(pscreen);
 823                 break;
 824         case 420:
 825         case 430:
 826                 fd4_screen_init(pscreen);
 827                 break;
 828         case 530:
 829                 fd5_screen_init(pscreen);
 830                 break;
 831         default:
 832                 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
 833                 goto fail;
 834         }
 835
 836         if (screen->gpu_id >= 500) {
 837                 screen->gmem_alignw = 64;
 838                 screen->gmem_alignh = 32;
 839         } else {
 840                 screen->gmem_alignw = 32;
 841                 screen->gmem_alignh = 32;
 842         }
 843
 844         /* NOTE: don't enable reordering on a2xx, since completely untested.
 845          * Also, don't enable if we have too old of a kernel to support
 846          * growable cmdstream buffers, since memory requirement for cmdstream
 847          * buffers would be too much otherwise.
 848          */
 849         if ((screen->gpu_id >= 300) && (fd_device_version(dev) >= FD_VERSION_UNLIMITED_CMDS))
 850                 screen->reorder = !(fd_mesa_debug & FD_DBG_INORDER);
 851
 852         fd_bc_init(&screen->batch_cache);
 853
 854         (void) mtx_init(&screen->lock, mtx_plain);
 855
 856         pscreen->destroy = fd_screen_destroy;
 857         pscreen->get_param = fd_screen_get_param;
 858         pscreen->get_paramf = fd_screen_get_paramf;
 859         pscreen->get_shader_param = fd_screen_get_shader_param;
 860         pscreen->get_compute_param = fd_get_compute_param;
 861         pscreen->get_compiler_options = fd_get_compiler_options;
 862
 863         fd_resource_screen_init(pscreen);
 864         fd_query_screen_init(pscreen);
 865
 866         pscreen->get_name = fd_screen_get_name;
 867         pscreen->get_vendor = fd_screen_get_vendor;
 868         pscreen->get_device_vendor = fd_screen_get_device_vendor;
 869
 870         pscreen->get_timestamp = fd_screen_get_timestamp;
 871
 872         pscreen->fence_reference = fd_fence_ref;
 873         pscreen->fence_finish = fd_fence_finish;
 874         pscreen->fence_get_fd = fd_fence_get_fd;
 875
 876         slab_create_parent(&screen->transfer_pool, sizeof(struct fd_transfer), 16);
 877
 878         util_format_s3tc_init();
 879
 880         return pscreen;
 881
 882 fail:
 883         fd_screen_destroy(pscreen);
 884         return NULL;
 885 }