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_util.h"
  51
  52 #include "fd2_screen.h"
  53 #include "fd3_screen.h"
  54
  55 /* XXX this should go away */
  56 #include "state_tracker/drm_driver.h"
  57
  58 static const struct debug_named_value debug_options[] = {
  59                 {"msgs",      FD_DBG_MSGS,   "Print debug messages"},
  60                 {"disasm",    FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
  61                 {"dclear",    FD_DBG_DCLEAR, "Mark all state dirty after clear"},
  62                 {"dgmem",     FD_DBG_DGMEM,  "Mark all state dirty after GMEM tile pass"},
  63                 {"dscis",     FD_DBG_DSCIS,  "Disable scissor optimization"},
  64                 DEBUG_NAMED_VALUE_END
  65 };
  66
  67 DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
  68
  69 int fd_mesa_debug = 0;
  70
  71 static const char *
  72 fd_screen_get_name(struct pipe_screen *pscreen)
  73 {
  74         static char buffer[128];
  75         util_snprintf(buffer, sizeof(buffer), "FD%03d",
  76                         fd_screen(pscreen)->device_id);
  77         return buffer;
  78 }
  79
  80 static const char *
  81 fd_screen_get_vendor(struct pipe_screen *pscreen)
  82 {
  83         return "freedreno";
  84 }
  85
  86 static uint64_t
  87 fd_screen_get_timestamp(struct pipe_screen *pscreen)
  88 {
  89         int64_t cpu_time = os_time_get() * 1000;
  90         return cpu_time + fd_screen(pscreen)->cpu_gpu_time_delta;
  91 }
  92
  93 static void
  94 fd_screen_fence_ref(struct pipe_screen *pscreen,
  95                 struct pipe_fence_handle **ptr,
  96                 struct pipe_fence_handle *pfence)
  97 {
  98         fd_fence_ref(fd_fence(pfence), (struct fd_fence **)ptr);
  99 }
 100
 101 static boolean
 102 fd_screen_fence_signalled(struct pipe_screen *screen,
 103                 struct pipe_fence_handle *pfence)
 104 {
 105         return fd_fence_signalled(fd_fence(pfence));
 106 }
 107
 108 static boolean
 109 fd_screen_fence_finish(struct pipe_screen *screen,
 110                 struct pipe_fence_handle *pfence,
 111                 uint64_t timeout)
 112 {
 113         return fd_fence_wait(fd_fence(pfence));
 114 }
 115
 116 static void
 117 fd_screen_destroy(struct pipe_screen *pscreen)
 118 {
 119         struct fd_screen *screen = fd_screen(pscreen);
 120
 121         if (screen->pipe)
 122                 fd_pipe_del(screen->pipe);
 123
 124         if (screen->dev)
 125                 fd_device_del(screen->dev);
 126
 127         free(screen);
 128 }
 129
 130 /*
 131 TODO either move caps to a2xx/a3xx specific code, or maybe have some
 132 tables for things that differ if the delta is not too much..
 133  */
 134 static int
 135 fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 136 {
 137         /* this is probably not totally correct.. but it's a start: */
 138         switch (param) {
 139         /* Supported features (boolean caps). */
 140         case PIPE_CAP_NPOT_TEXTURES:
 141         case PIPE_CAP_TWO_SIDED_STENCIL:
 142         case PIPE_CAP_ANISOTROPIC_FILTER:
 143         case PIPE_CAP_POINT_SPRITE:
 144         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 145         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 146         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 147         case PIPE_CAP_TEXTURE_SWIZZLE:
 148         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 149         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 150         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 151         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 152         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 153         case PIPE_CAP_SM3:
 154         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 155         case PIPE_CAP_PRIMITIVE_RESTART:
 156         case PIPE_CAP_CONDITIONAL_RENDER:
 157         case PIPE_CAP_TEXTURE_BARRIER:
 158         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 159         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 160         case PIPE_CAP_TGSI_INSTANCEID:
 161         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 162         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 163         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 164         case PIPE_CAP_COMPUTE:
 165         case PIPE_CAP_START_INSTANCE:
 166         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 167         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 168         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 169                 return 1;
 170
 171         case PIPE_CAP_TGSI_TEXCOORD:
 172         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 173                 return 0;
 174
 175         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 176                 return 256;
 177
 178         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 179                 return 120;
 180
 181         /* Unsupported features. */
 182         case PIPE_CAP_INDEP_BLEND_ENABLE:
 183         case PIPE_CAP_INDEP_BLEND_FUNC:
 184         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 185         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 186         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 187         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 188         case PIPE_CAP_SCALED_RESOLVE:
 189         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 190         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 191         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 192         case PIPE_CAP_USER_VERTEX_BUFFERS:
 193         case PIPE_CAP_USER_INDEX_BUFFERS:
 194         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 195         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 196                 return 0;
 197
 198         /* Stream output. */
 199         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 200         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 201         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 202         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 203                 return 0;
 204
 205         /* Texturing. */
 206         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 207         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 208         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 209                 return 14;
 210         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 211                 return 9192;
 212         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 213                 return 20;
 214
 215         /* Render targets. */
 216         case PIPE_CAP_MAX_RENDER_TARGETS:
 217                 return 1;
 218
 219         /* Timer queries. */
 220         case PIPE_CAP_QUERY_TIME_ELAPSED:
 221         case PIPE_CAP_OCCLUSION_QUERY:
 222         case PIPE_CAP_QUERY_TIMESTAMP:
 223                 return 0;
 224
 225         case PIPE_CAP_MIN_TEXEL_OFFSET:
 226                 return -8;
 227
 228         case PIPE_CAP_MAX_TEXEL_OFFSET:
 229                 return 7;
 230
 231         case PIPE_CAP_ENDIANNESS:
 232                 return PIPE_ENDIAN_LITTLE;
 233
 234         default:
 235                 DBG("unknown param %d", param);
 236                 return 0;
 237         }
 238 }
 239
 240 static float
 241 fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 242 {
 243         switch (param) {
 244         case PIPE_CAPF_MAX_LINE_WIDTH:
 245         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 246         case PIPE_CAPF_MAX_POINT_WIDTH:
 247         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 248                 return 8192.0f;
 249         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 250                 return 16.0f;
 251         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 252                 return 16.0f;
 253         case PIPE_CAPF_GUARD_BAND_LEFT:
 254         case PIPE_CAPF_GUARD_BAND_TOP:
 255         case PIPE_CAPF_GUARD_BAND_RIGHT:
 256         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 257                 return 0.0f;
 258         default:
 259                 DBG("unknown paramf %d", param);
 260                 return 0;
 261         }
 262 }
 263
 264 static int
 265 fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 266                 enum pipe_shader_cap param)
 267 {
 268         switch(shader)
 269         {
 270         case PIPE_SHADER_FRAGMENT:
 271         case PIPE_SHADER_VERTEX:
 272                 break;
 273         case PIPE_SHADER_COMPUTE:
 274         case PIPE_SHADER_GEOMETRY:
 275                 /* maye we could emulate.. */
 276                 return 0;
 277         default:
 278                 DBG("unknown shader type %d", shader);
 279                 return 0;
 280         }
 281
 282         /* this is probably not totally correct.. but it's a start: */
 283         switch (param) {
 284         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 285         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 286         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 287         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 288                 return 16384;
 289         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 290                 return 8; /* XXX */
 291         case PIPE_SHADER_CAP_MAX_INPUTS:
 292                 return 32;
 293         case PIPE_SHADER_CAP_MAX_TEMPS:
 294                 return 256; /* Max native temporaries. */
 295         case PIPE_SHADER_CAP_MAX_ADDRS:
 296                 /* XXX Isn't this equal to TEMPS? */
 297                 return 1; /* Max native address registers */
 298         case PIPE_SHADER_CAP_MAX_CONSTS:
 299         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 300                 return 64;
 301         case PIPE_SHADER_CAP_MAX_PREDS:
 302                 return 0; /* nothing uses this */
 303         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 304                 return 1;
 305         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 306         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 307         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 308         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 309                 return 1;
 310         case PIPE_SHADER_CAP_SUBROUTINES:
 311                 return 0;
 312         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 313         case PIPE_SHADER_CAP_INTEGERS:
 314                 return 0;
 315         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 316                 return 16;
 317         case PIPE_SHADER_CAP_PREFERRED_IR:
 318                 return PIPE_SHADER_IR_TGSI;
 319         default:
 320                 DBG("unknown shader param %d", param);
 321                 return 0;
 322         }
 323         return 0;
 324 }
 325
 326 boolean
 327 fd_screen_bo_get_handle(struct pipe_screen *pscreen,
 328                 struct fd_bo *bo,
 329                 unsigned stride,
 330                 struct winsys_handle *whandle)
 331 {
 332         whandle->stride = stride;
 333
 334         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
 335                 return fd_bo_get_name(bo, &whandle->handle) == 0;
 336         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
 337                 whandle->handle = fd_bo_handle(bo);
 338                 return TRUE;
 339         } else {
 340                 return FALSE;
 341         }
 342 }
 343
 344 struct fd_bo *
 345 fd_screen_bo_from_handle(struct pipe_screen *pscreen,
 346                 struct winsys_handle *whandle,
 347                 unsigned *out_stride)
 348 {
 349         struct fd_screen *screen = fd_screen(pscreen);
 350         struct fd_bo *bo;
 351
 352         bo = fd_bo_from_name(screen->dev, whandle->handle);
 353         if (!bo) {
 354                 DBG("ref name 0x%08x failed", whandle->handle);
 355                 return NULL;
 356         }
 357
 358         *out_stride = whandle->stride;
 359
 360         return bo;
 361 }
 362
 363 struct pipe_screen *
 364 fd_screen_create(struct fd_device *dev)
 365 {
 366         struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
 367         struct pipe_screen *pscreen;
 368         uint64_t val;
 369
 370         fd_mesa_debug = debug_get_option_fd_mesa_debug();
 371
 372         if (!screen)
 373                 return NULL;
 374
 375         pscreen = &screen->base;
 376
 377         screen->dev = dev;
 378
 379         // maybe this should be in context?
 380         screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
 381         if (!screen->pipe) {
 382                 DBG("could not create 3d pipe");
 383                 goto fail;
 384         }
 385
 386         if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
 387                 DBG("could not get GMEM size");
 388                 goto fail;
 389         }
 390         screen->gmemsize_bytes = val;
 391
 392         if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
 393                 DBG("could not get device-id");
 394                 goto fail;
 395         }
 396         screen->device_id = val;
 397
 398         if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
 399                 DBG("could not get gpu-id");
 400                 goto fail;
 401         }
 402         screen->gpu_id = val;
 403
 404         /* explicitly checking for GPU revisions that are known to work.  This
 405          * may be overly conservative for a3xx, where spoofing the gpu_id with
 406          * the blob driver seems to generate identical cmdstream dumps.  But
 407          * on a2xx, there seem to be small differences between the GPU revs
 408          * so it is probably better to actually test first on real hardware
 409          * before enabling:
 410          *
 411          * If you have a different adreno version, feel free to add it to one
 412          * of the two cases below and see what happens.  And if it works, please
 413          * send a patch ;-)
 414          */
 415         switch (screen->gpu_id) {
 416         case 220:
 417                 fd2_screen_init(pscreen);
 418                 break;
 419         case 320:
 420                 fd3_screen_init(pscreen);
 421                 break;
 422         default:
 423                 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
 424                 goto fail;
 425         }
 426
 427         pscreen->destroy = fd_screen_destroy;
 428         pscreen->get_param = fd_screen_get_param;
 429         pscreen->get_paramf = fd_screen_get_paramf;
 430         pscreen->get_shader_param = fd_screen_get_shader_param;
 431
 432         fd_resource_screen_init(pscreen);
 433
 434         pscreen->get_name = fd_screen_get_name;
 435         pscreen->get_vendor = fd_screen_get_vendor;
 436
 437         pscreen->get_timestamp = fd_screen_get_timestamp;
 438
 439         pscreen->fence_reference = fd_screen_fence_ref;
 440         pscreen->fence_signalled = fd_screen_fence_signalled;
 441         pscreen->fence_finish = fd_screen_fence_finish;
 442
 443         util_format_s3tc_init();
 444
 445         return pscreen;
 446
 447 fail:
 448         fd_screen_destroy(pscreen);
 449         return NULL;
 450 }