src/gallium/drivers/r600/r600_pipe.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include <stdio.h>
  24 #include <errno.h>
  25 #include <pipe/p_defines.h>
  26 #include <pipe/p_state.h>
  27 #include <pipe/p_context.h>
  28 #include <tgsi/tgsi_scan.h>
  29 #include <tgsi/tgsi_parse.h>
  30 #include <tgsi/tgsi_util.h>
  31 #include <util/u_blitter.h>
  32 #include <util/u_double_list.h>
  33 #include <util/u_transfer.h>
  34 #include <util/u_surface.h>
  35 #include <util/u_pack_color.h>
  36 #include <util/u_memory.h>
  37 #include <util/u_inlines.h>
  38 #include "util/u_upload_mgr.h"
  39 #include <pipebuffer/pb_buffer.h>
  40 #include "r600.h"
  41 #include "r600d.h"
  42 #include "r600_resource.h"
  43 #include "r600_shader.h"
  44 #include "r600_pipe.h"
  45 #include "r600_state_inlines.h"
  46
  47 /*
  48  * pipe_context
  49  */
  50 static void r600_flush(struct pipe_context *ctx, unsigned flags,
  51                         struct pipe_fence_handle **fence)
  52 {
  53         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  54 #if 0
  55         static int dc = 0;
  56         char dname[256];
  57 #endif
  58
  59         if (!rctx->ctx.pm4_cdwords)
  60                 return;
  61
  62 #if 0
  63         sprintf(dname, "gallium-%08d.bof", dc);
  64         if (dc < 20) {
  65                 r600_context_dump_bof(&rctx->ctx, dname);
  66                 R600_ERR("dumped %s\n", dname);
  67         }
  68         dc++;
  69 #endif
  70         r600_context_flush(&rctx->ctx);
  71
  72         /* XXX These shouldn't be really necessary, but removing them breaks some tests.
  73          * Needless buffer reallocations may significantly increase memory consumption,
  74          * so getting rid of these 3 calls is important. */
  75         u_vbuf_mgr_flush_uploader(rctx->vbuf_mgr);
  76         u_upload_flush(rctx->upload_ib);
  77         u_upload_flush(rctx->upload_const);
  78 }
  79
  80 static void r600_destroy_context(struct pipe_context *context)
  81 {
  82         struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
  83
  84         rctx->context.delete_depth_stencil_alpha_state(&rctx->context, rctx->custom_dsa_flush);
  85
  86         r600_context_fini(&rctx->ctx);
  87
  88         util_blitter_destroy(rctx->blitter);
  89
  90         for (int i = 0; i < R600_PIPE_NSTATES; i++) {
  91                 free(rctx->states[i]);
  92         }
  93
  94         u_upload_destroy(rctx->upload_ib);
  95         u_upload_destroy(rctx->upload_const);
  96         u_vbuf_mgr_destroy(rctx->vbuf_mgr);
  97
  98         FREE(rctx);
  99 }
 100
 101 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
 102 {
 103         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
 104         struct r600_screen* rscreen = (struct r600_screen *)screen;
 105         enum chip_class class;
 106
 107         if (rctx == NULL)
 108                 return NULL;
 109         rctx->context.winsys = rscreen->screen.winsys;
 110         rctx->context.screen = screen;
 111         rctx->context.priv = priv;
 112         rctx->context.destroy = r600_destroy_context;
 113         rctx->context.flush = r600_flush;
 114
 115         /* Easy accessing of screen/winsys. */
 116         rctx->screen = rscreen;
 117         rctx->radeon = rscreen->radeon;
 118         rctx->family = r600_get_family(rctx->radeon);
 119
 120         r600_init_blit_functions(rctx);
 121         r600_init_query_functions(rctx);
 122         r600_init_context_resource_functions(rctx);
 123         r600_init_surface_functions(rctx);
 124         rctx->context.draw_vbo = r600_draw_vbo;
 125
 126         switch (r600_get_family(rctx->radeon)) {
 127         case CHIP_R600:
 128         case CHIP_RV610:
 129         case CHIP_RV630:
 130         case CHIP_RV670:
 131         case CHIP_RV620:
 132         case CHIP_RV635:
 133         case CHIP_RS780:
 134         case CHIP_RS880:
 135         case CHIP_RV770:
 136         case CHIP_RV730:
 137         case CHIP_RV710:
 138         case CHIP_RV740:
 139                 r600_init_state_functions(rctx);
 140                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 141                         r600_destroy_context(&rctx->context);
 142                         return NULL;
 143                 }
 144                 r600_init_config(rctx);
 145                 break;
 146         case CHIP_CEDAR:
 147         case CHIP_REDWOOD:
 148         case CHIP_JUNIPER:
 149         case CHIP_CYPRESS:
 150         case CHIP_HEMLOCK:
 151         case CHIP_PALM:
 152         case CHIP_BARTS:
 153         case CHIP_TURKS:
 154         case CHIP_CAICOS:
 155                 evergreen_init_state_functions(rctx);
 156                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 157                         r600_destroy_context(&rctx->context);
 158                         return NULL;
 159                 }
 160                 evergreen_init_config(rctx);
 161                 break;
 162         default:
 163                 R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
 164                 r600_destroy_context(&rctx->context);
 165                 return NULL;
 166         }
 167
 168         rctx->vbuf_mgr = u_vbuf_mgr_create(&rctx->context, 1024 * 1024, 16,
 169                                            U_VERTEX_FETCH_BYTE_ALIGNED);
 170         if (!rctx->vbuf_mgr) {
 171                 r600_destroy_context(&rctx->context);
 172                 return NULL;
 173         }
 174
 175         rctx->upload_ib = u_upload_create(&rctx->context, 128 * 1024, 16,
 176                                           PIPE_BIND_INDEX_BUFFER);
 177         if (rctx->upload_ib == NULL) {
 178                 r600_destroy_context(&rctx->context);
 179                 return NULL;
 180         }
 181
 182         rctx->upload_const = u_upload_create(&rctx->context, 1024 * 1024, 256,
 183                                              PIPE_BIND_CONSTANT_BUFFER);
 184         if (rctx->upload_const == NULL) {
 185                 r600_destroy_context(&rctx->context);
 186                 return NULL;
 187         }
 188
 189         rctx->blitter = util_blitter_create(&rctx->context);
 190         if (rctx->blitter == NULL) {
 191                 FREE(rctx);
 192                 return NULL;
 193         }
 194
 195         class = r600_get_family_class(rctx->radeon);
 196         if (class == R600 || class == R700)
 197                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 198         else
 199                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 200
 201         return &rctx->context;
 202 }
 203
 204 /*
 205  * pipe_screen
 206  */
 207 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 208 {
 209         return "X.Org";
 210 }
 211
 212 static const char *r600_get_family_name(enum radeon_family family)
 213 {
 214         switch(family) {
 215         case CHIP_R600: return "AMD R600";
 216         case CHIP_RV610: return "AMD RV610";
 217         case CHIP_RV630: return "AMD RV630";
 218         case CHIP_RV670: return "AMD RV670";
 219         case CHIP_RV620: return "AMD RV620";
 220         case CHIP_RV635: return "AMD RV635";
 221         case CHIP_RS780: return "AMD RS780";
 222         case CHIP_RS880: return "AMD RS880";
 223         case CHIP_RV770: return "AMD RV770";
 224         case CHIP_RV730: return "AMD RV730";
 225         case CHIP_RV710: return "AMD RV710";
 226         case CHIP_RV740: return "AMD RV740";
 227         case CHIP_CEDAR: return "AMD CEDAR";
 228         case CHIP_REDWOOD: return "AMD REDWOOD";
 229         case CHIP_JUNIPER: return "AMD JUNIPER";
 230         case CHIP_CYPRESS: return "AMD CYPRESS";
 231         case CHIP_HEMLOCK: return "AMD HEMLOCK";
 232         case CHIP_PALM: return "AMD PALM";
 233         case CHIP_BARTS: return "AMD BARTS";
 234         case CHIP_TURKS: return "AMD TURKS";
 235         case CHIP_CAICOS: return "AMD CAICOS";
 236         default: return "AMD unknown";
 237         }
 238 }
 239
 240 static const char* r600_get_name(struct pipe_screen* pscreen)
 241 {
 242         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 243         enum radeon_family family = r600_get_family(rscreen->radeon);
 244
 245         return r600_get_family_name(family);
 246 }
 247
 248 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 249 {
 250         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 251         enum radeon_family family = r600_get_family(rscreen->radeon);
 252
 253         switch (param) {
 254         /* Supported features (boolean caps). */
 255         case PIPE_CAP_NPOT_TEXTURES:
 256         case PIPE_CAP_TWO_SIDED_STENCIL:
 257         case PIPE_CAP_GLSL:
 258         case PIPE_CAP_DUAL_SOURCE_BLEND:
 259         case PIPE_CAP_ANISOTROPIC_FILTER:
 260         case PIPE_CAP_POINT_SPRITE:
 261         case PIPE_CAP_OCCLUSION_QUERY:
 262         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 263         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 264         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 265         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 266         case PIPE_CAP_SM3:
 267         case PIPE_CAP_TEXTURE_SWIZZLE:
 268         case PIPE_CAP_INDEP_BLEND_ENABLE:
 269         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 270         case PIPE_CAP_DEPTH_CLAMP:
 271         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 272                 return 1;
 273
 274         /* Unsupported features (boolean caps). */
 275         case PIPE_CAP_STREAM_OUTPUT:
 276         case PIPE_CAP_PRIMITIVE_RESTART:
 277         case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 278         case PIPE_CAP_INSTANCED_DRAWING:
 279         case PIPE_CAP_ARRAY_TEXTURES:
 280                 return 0;
 281
 282         /* Texturing. */
 283         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 284         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 285         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 286                 if (family >= CHIP_CEDAR)
 287                         return 15;
 288                 else
 289                         return 14;
 290         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 291                 /* FIXME allow this once infrastructure is there */
 292                 return 16;
 293         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 294         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 295                 return 16;
 296
 297         /* Render targets. */
 298         case PIPE_CAP_MAX_RENDER_TARGETS:
 299                 /* FIXME some r6xx are buggy and can only do 4 */
 300                 return 8;
 301
 302         /* Fragment coordinate conventions. */
 303         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 304         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 305                 return 1;
 306         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 307         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 308                 return 0;
 309
 310         /* Timer queries, present when the clock frequency is non zero. */
 311         case PIPE_CAP_TIMER_QUERY:
 312                 return r600_get_clock_crystal_freq(rscreen->radeon) != 0;
 313
 314         default:
 315                 R600_ERR("r600: unknown param %d\n", param);
 316                 return 0;
 317         }
 318 }
 319
 320 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 321 {
 322         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 323         enum radeon_family family = r600_get_family(rscreen->radeon);
 324
 325         switch (param) {
 326         case PIPE_CAP_MAX_LINE_WIDTH:
 327         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 328         case PIPE_CAP_MAX_POINT_WIDTH:
 329         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 330                 if (family >= CHIP_CEDAR)
 331                         return 16384.0f;
 332                 else
 333                         return 8192.0f;
 334         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 335                 return 16.0f;
 336         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 337                 return 16.0f;
 338         default:
 339                 R600_ERR("r600: unsupported paramf %d\n", param);
 340                 return 0.0f;
 341         }
 342 }
 343
 344 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 345 {
 346         switch(shader)
 347         {
 348         case PIPE_SHADER_FRAGMENT:
 349         case PIPE_SHADER_VERTEX:
 350                 break;
 351         case PIPE_SHADER_GEOMETRY:
 352                 /* TODO: support and enable geometry programs */
 353                 return 0;
 354         default:
 355                 /* TODO: support tessellation on Evergreen */
 356                 return 0;
 357         }
 358
 359         /* TODO: all these should be fixed, since r600 surely supports much more! */
 360         switch (param) {
 361         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 362         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 363         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 364         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 365                 return 16384;
 366         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 367                 return 8; /* FIXME */
 368         case PIPE_SHADER_CAP_MAX_INPUTS:
 369                 if(shader == PIPE_SHADER_FRAGMENT)
 370                         return 10;
 371                 else
 372                         return 16;
 373         case PIPE_SHADER_CAP_MAX_TEMPS:
 374                 return 256; //max native temporaries
 375         case PIPE_SHADER_CAP_MAX_ADDRS:
 376                 return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
 377         case PIPE_SHADER_CAP_MAX_CONSTS:
 378                 return 256; //max native parameters
 379         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 380                 return R600_MAX_CONST_BUFFERS;
 381         case PIPE_SHADER_CAP_MAX_PREDS:
 382                 return 0; /* FIXME */
 383         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 384                 return 1;
 385         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 386         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 387         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 388         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 389                 return 1;
 390         case PIPE_SHADER_CAP_SUBROUTINES:
 391                 return 0;
 392         default:
 393                 return 0;
 394         }
 395 }
 396
 397 static boolean r600_is_format_supported(struct pipe_screen* screen,
 398                                         enum pipe_format format,
 399                                         enum pipe_texture_target target,
 400                                         unsigned sample_count,
 401                                         unsigned usage,
 402                                         unsigned geom_flags)
 403 {
 404         unsigned retval = 0;
 405         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 406                 R600_ERR("r600: unsupported texture type %d\n", target);
 407                 return FALSE;
 408         }
 409
 410         /* Multisample */
 411         if (sample_count > 1)
 412                 return FALSE;
 413
 414         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 415             r600_is_sampler_format_supported(format)) {
 416                 retval |= PIPE_BIND_SAMPLER_VIEW;
 417         }
 418
 419         if ((usage & (PIPE_BIND_RENDER_TARGET |
 420                         PIPE_BIND_DISPLAY_TARGET |
 421                         PIPE_BIND_SCANOUT |
 422                         PIPE_BIND_SHARED)) &&
 423                         r600_is_colorbuffer_format_supported(format)) {
 424                 retval |= usage &
 425                         (PIPE_BIND_RENDER_TARGET |
 426                          PIPE_BIND_DISPLAY_TARGET |
 427                          PIPE_BIND_SCANOUT |
 428                          PIPE_BIND_SHARED);
 429         }
 430
 431         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 432             r600_is_zs_format_supported(format)) {
 433                 retval |= PIPE_BIND_DEPTH_STENCIL;
 434         }
 435
 436         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 437                 struct r600_screen *rscreen = (struct r600_screen *)screen;
 438                 enum radeon_family family = r600_get_family(rscreen->radeon);
 439
 440                 if (r600_is_vertex_format_supported(format, family)) {
 441                         retval |= PIPE_BIND_VERTEX_BUFFER;
 442                 }
 443         }
 444
 445         if (usage & PIPE_BIND_TRANSFER_READ)
 446                 retval |= PIPE_BIND_TRANSFER_READ;
 447         if (usage & PIPE_BIND_TRANSFER_WRITE)
 448                 retval |= PIPE_BIND_TRANSFER_WRITE;
 449
 450         return retval == usage;
 451 }
 452
 453 static void r600_destroy_screen(struct pipe_screen* pscreen)
 454 {
 455         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 456
 457         if (rscreen == NULL)
 458                 return;
 459
 460         radeon_decref(rscreen->radeon);
 461
 462         FREE(rscreen);
 463 }
 464
 465
 466 struct pipe_screen *r600_screen_create(struct radeon *radeon)
 467 {
 468         struct r600_screen *rscreen;
 469
 470         rscreen = CALLOC_STRUCT(r600_screen);
 471         if (rscreen == NULL) {
 472                 return NULL;
 473         }
 474
 475         rscreen->radeon = radeon;
 476         rscreen->screen.winsys = (struct pipe_winsys*)radeon;
 477         rscreen->screen.destroy = r600_destroy_screen;
 478         rscreen->screen.get_name = r600_get_name;
 479         rscreen->screen.get_vendor = r600_get_vendor;
 480         rscreen->screen.get_param = r600_get_param;
 481         rscreen->screen.get_shader_param = r600_get_shader_param;
 482         rscreen->screen.get_paramf = r600_get_paramf;
 483         rscreen->screen.is_format_supported = r600_is_format_supported;
 484         rscreen->screen.context_create = r600_create_context;
 485         r600_init_screen_resource_functions(&rscreen->screen);
 486
 487         rscreen->tiling_info = r600_get_tiling_info(radeon);
 488
 489         return &rscreen->screen;
 490 }