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 This shouldn't be really necessary, but removing it breaks some tests.
  73          * Needless buffer reallocations may significantly increase memory consumption,
  74          * so getting rid of this call is important. */
  75         u_upload_flush(rctx->vbuf_mgr->uploader);
  76 }
  77
  78 static void r600_destroy_context(struct pipe_context *context)
  79 {
  80         struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
  81
  82         rctx->context.delete_depth_stencil_alpha_state(&rctx->context, rctx->custom_dsa_flush);
  83
  84         r600_context_fini(&rctx->ctx);
  85
  86         util_blitter_destroy(rctx->blitter);
  87
  88         for (int i = 0; i < R600_PIPE_NSTATES; i++) {
  89                 free(rctx->states[i]);
  90         }
  91
  92         u_vbuf_mgr_destroy(rctx->vbuf_mgr);
  93
  94         FREE(rctx);
  95 }
  96
  97 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
  98 {
  99         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
 100         struct r600_screen* rscreen = (struct r600_screen *)screen;
 101         enum chip_class class;
 102
 103         if (rctx == NULL)
 104                 return NULL;
 105         rctx->context.winsys = rscreen->screen.winsys;
 106         rctx->context.screen = screen;
 107         rctx->context.priv = priv;
 108         rctx->context.destroy = r600_destroy_context;
 109         rctx->context.flush = r600_flush;
 110
 111         /* Easy accessing of screen/winsys. */
 112         rctx->screen = rscreen;
 113         rctx->radeon = rscreen->radeon;
 114         rctx->family = r600_get_family(rctx->radeon);
 115
 116         r600_init_blit_functions(rctx);
 117         r600_init_query_functions(rctx);
 118         r600_init_context_resource_functions(rctx);
 119         r600_init_surface_functions(rctx);
 120         rctx->context.draw_vbo = r600_draw_vbo;
 121
 122         switch (r600_get_family(rctx->radeon)) {
 123         case CHIP_R600:
 124         case CHIP_RV610:
 125         case CHIP_RV630:
 126         case CHIP_RV670:
 127         case CHIP_RV620:
 128         case CHIP_RV635:
 129         case CHIP_RS780:
 130         case CHIP_RS880:
 131         case CHIP_RV770:
 132         case CHIP_RV730:
 133         case CHIP_RV710:
 134         case CHIP_RV740:
 135                 r600_init_state_functions(rctx);
 136                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 137                         r600_destroy_context(&rctx->context);
 138                         return NULL;
 139                 }
 140                 r600_init_config(rctx);
 141                 break;
 142         case CHIP_CEDAR:
 143         case CHIP_REDWOOD:
 144         case CHIP_JUNIPER:
 145         case CHIP_CYPRESS:
 146         case CHIP_HEMLOCK:
 147         case CHIP_PALM:
 148         case CHIP_BARTS:
 149         case CHIP_TURKS:
 150         case CHIP_CAICOS:
 151                 evergreen_init_state_functions(rctx);
 152                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 153                         r600_destroy_context(&rctx->context);
 154                         return NULL;
 155                 }
 156                 evergreen_init_config(rctx);
 157                 break;
 158         default:
 159                 R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
 160                 r600_destroy_context(&rctx->context);
 161                 return NULL;
 162         }
 163
 164         rctx->vbuf_mgr = u_vbuf_mgr_create(&rctx->context, 1024 * 1024, 256,
 165                                            PIPE_BIND_VERTEX_BUFFER |
 166                                            PIPE_BIND_INDEX_BUFFER |
 167                                            PIPE_BIND_CONSTANT_BUFFER,
 168                                            U_VERTEX_FETCH_BYTE_ALIGNED);
 169         if (!rctx->vbuf_mgr) {
 170                 r600_destroy_context(&rctx->context);
 171                 return NULL;
 172         }
 173
 174         rctx->blitter = util_blitter_create(&rctx->context);
 175         if (rctx->blitter == NULL) {
 176                 FREE(rctx);
 177                 return NULL;
 178         }
 179
 180         class = r600_get_family_class(rctx->radeon);
 181         if (class == R600 || class == R700)
 182                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 183         else
 184                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 185
 186         return &rctx->context;
 187 }
 188
 189 /*
 190  * pipe_screen
 191  */
 192 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 193 {
 194         return "X.Org";
 195 }
 196
 197 static const char *r600_get_family_name(enum radeon_family family)
 198 {
 199         switch(family) {
 200         case CHIP_R600: return "AMD R600";
 201         case CHIP_RV610: return "AMD RV610";
 202         case CHIP_RV630: return "AMD RV630";
 203         case CHIP_RV670: return "AMD RV670";
 204         case CHIP_RV620: return "AMD RV620";
 205         case CHIP_RV635: return "AMD RV635";
 206         case CHIP_RS780: return "AMD RS780";
 207         case CHIP_RS880: return "AMD RS880";
 208         case CHIP_RV770: return "AMD RV770";
 209         case CHIP_RV730: return "AMD RV730";
 210         case CHIP_RV710: return "AMD RV710";
 211         case CHIP_RV740: return "AMD RV740";
 212         case CHIP_CEDAR: return "AMD CEDAR";
 213         case CHIP_REDWOOD: return "AMD REDWOOD";
 214         case CHIP_JUNIPER: return "AMD JUNIPER";
 215         case CHIP_CYPRESS: return "AMD CYPRESS";
 216         case CHIP_HEMLOCK: return "AMD HEMLOCK";
 217         case CHIP_PALM: return "AMD PALM";
 218         case CHIP_BARTS: return "AMD BARTS";
 219         case CHIP_TURKS: return "AMD TURKS";
 220         case CHIP_CAICOS: return "AMD CAICOS";
 221         default: return "AMD unknown";
 222         }
 223 }
 224
 225 static const char* r600_get_name(struct pipe_screen* pscreen)
 226 {
 227         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 228         enum radeon_family family = r600_get_family(rscreen->radeon);
 229
 230         return r600_get_family_name(family);
 231 }
 232
 233 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 234 {
 235         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 236         enum radeon_family family = r600_get_family(rscreen->radeon);
 237
 238         switch (param) {
 239         /* Supported features (boolean caps). */
 240         case PIPE_CAP_NPOT_TEXTURES:
 241         case PIPE_CAP_TWO_SIDED_STENCIL:
 242         case PIPE_CAP_GLSL:
 243         case PIPE_CAP_DUAL_SOURCE_BLEND:
 244         case PIPE_CAP_ANISOTROPIC_FILTER:
 245         case PIPE_CAP_POINT_SPRITE:
 246         case PIPE_CAP_OCCLUSION_QUERY:
 247         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 248         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 249         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 250         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 251         case PIPE_CAP_SM3:
 252         case PIPE_CAP_TEXTURE_SWIZZLE:
 253         case PIPE_CAP_INDEP_BLEND_ENABLE:
 254         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 255         case PIPE_CAP_DEPTH_CLAMP:
 256         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 257                 return 1;
 258
 259         /* Unsupported features (boolean caps). */
 260         case PIPE_CAP_STREAM_OUTPUT:
 261         case PIPE_CAP_PRIMITIVE_RESTART:
 262         case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 263         case PIPE_CAP_INSTANCED_DRAWING:
 264         case PIPE_CAP_ARRAY_TEXTURES:
 265                 return 0;
 266
 267         /* Texturing. */
 268         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 269         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 270         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 271                 if (family >= CHIP_CEDAR)
 272                         return 15;
 273                 else
 274                         return 14;
 275         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 276                 /* FIXME allow this once infrastructure is there */
 277                 return 16;
 278         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 279         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 280                 return 16;
 281
 282         /* Render targets. */
 283         case PIPE_CAP_MAX_RENDER_TARGETS:
 284                 /* FIXME some r6xx are buggy and can only do 4 */
 285                 return 8;
 286
 287         /* Fragment coordinate conventions. */
 288         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 289         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 290                 return 1;
 291         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 292         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 293                 return 0;
 294
 295         /* Timer queries, present when the clock frequency is non zero. */
 296         case PIPE_CAP_TIMER_QUERY:
 297                 return r600_get_clock_crystal_freq(rscreen->radeon) != 0;
 298
 299         default:
 300                 R600_ERR("r600: unknown param %d\n", param);
 301                 return 0;
 302         }
 303 }
 304
 305 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 306 {
 307         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 308         enum radeon_family family = r600_get_family(rscreen->radeon);
 309
 310         switch (param) {
 311         case PIPE_CAP_MAX_LINE_WIDTH:
 312         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 313         case PIPE_CAP_MAX_POINT_WIDTH:
 314         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 315                 if (family >= CHIP_CEDAR)
 316                         return 16384.0f;
 317                 else
 318                         return 8192.0f;
 319         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 320                 return 16.0f;
 321         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 322                 return 16.0f;
 323         default:
 324                 R600_ERR("r600: unsupported paramf %d\n", param);
 325                 return 0.0f;
 326         }
 327 }
 328
 329 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 330 {
 331         switch(shader)
 332         {
 333         case PIPE_SHADER_FRAGMENT:
 334         case PIPE_SHADER_VERTEX:
 335                 break;
 336         case PIPE_SHADER_GEOMETRY:
 337                 /* TODO: support and enable geometry programs */
 338                 return 0;
 339         default:
 340                 /* TODO: support tessellation on Evergreen */
 341                 return 0;
 342         }
 343
 344         /* TODO: all these should be fixed, since r600 surely supports much more! */
 345         switch (param) {
 346         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 347         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 348         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 349         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 350                 return 16384;
 351         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 352                 return 8; /* FIXME */
 353         case PIPE_SHADER_CAP_MAX_INPUTS:
 354                 if(shader == PIPE_SHADER_FRAGMENT)
 355                         return 10;
 356                 else
 357                         return 16;
 358         case PIPE_SHADER_CAP_MAX_TEMPS:
 359                 return 256; //max native temporaries
 360         case PIPE_SHADER_CAP_MAX_ADDRS:
 361                 return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
 362         case PIPE_SHADER_CAP_MAX_CONSTS:
 363                 return 256; //max native parameters
 364         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 365                 return R600_MAX_CONST_BUFFERS;
 366         case PIPE_SHADER_CAP_MAX_PREDS:
 367                 return 0; /* FIXME */
 368         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 369                 return 1;
 370         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 371         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 372         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 373         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 374                 return 1;
 375         case PIPE_SHADER_CAP_SUBROUTINES:
 376                 return 0;
 377         default:
 378                 return 0;
 379         }
 380 }
 381
 382 static boolean r600_is_format_supported(struct pipe_screen* screen,
 383                                         enum pipe_format format,
 384                                         enum pipe_texture_target target,
 385                                         unsigned sample_count,
 386                                         unsigned usage,
 387                                         unsigned geom_flags)
 388 {
 389         unsigned retval = 0;
 390         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 391                 R600_ERR("r600: unsupported texture type %d\n", target);
 392                 return FALSE;
 393         }
 394
 395         /* Multisample */
 396         if (sample_count > 1)
 397                 return FALSE;
 398
 399         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 400             r600_is_sampler_format_supported(format)) {
 401                 retval |= PIPE_BIND_SAMPLER_VIEW;
 402         }
 403
 404         if ((usage & (PIPE_BIND_RENDER_TARGET |
 405                         PIPE_BIND_DISPLAY_TARGET |
 406                         PIPE_BIND_SCANOUT |
 407                         PIPE_BIND_SHARED)) &&
 408                         r600_is_colorbuffer_format_supported(format)) {
 409                 retval |= usage &
 410                         (PIPE_BIND_RENDER_TARGET |
 411                          PIPE_BIND_DISPLAY_TARGET |
 412                          PIPE_BIND_SCANOUT |
 413                          PIPE_BIND_SHARED);
 414         }
 415
 416         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 417             r600_is_zs_format_supported(format)) {
 418                 retval |= PIPE_BIND_DEPTH_STENCIL;
 419         }
 420
 421         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 422                 struct r600_screen *rscreen = (struct r600_screen *)screen;
 423                 enum radeon_family family = r600_get_family(rscreen->radeon);
 424
 425                 if (r600_is_vertex_format_supported(format, family)) {
 426                         retval |= PIPE_BIND_VERTEX_BUFFER;
 427                 }
 428         }
 429
 430         if (usage & PIPE_BIND_TRANSFER_READ)
 431                 retval |= PIPE_BIND_TRANSFER_READ;
 432         if (usage & PIPE_BIND_TRANSFER_WRITE)
 433                 retval |= PIPE_BIND_TRANSFER_WRITE;
 434
 435         return retval == usage;
 436 }
 437
 438 static void r600_destroy_screen(struct pipe_screen* pscreen)
 439 {
 440         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 441
 442         if (rscreen == NULL)
 443                 return;
 444
 445         radeon_decref(rscreen->radeon);
 446
 447         FREE(rscreen);
 448 }
 449
 450
 451 struct pipe_screen *r600_screen_create(struct radeon *radeon)
 452 {
 453         struct r600_screen *rscreen;
 454
 455         rscreen = CALLOC_STRUCT(r600_screen);
 456         if (rscreen == NULL) {
 457                 return NULL;
 458         }
 459
 460         rscreen->radeon = radeon;
 461         rscreen->screen.winsys = (struct pipe_winsys*)radeon;
 462         rscreen->screen.destroy = r600_destroy_screen;
 463         rscreen->screen.get_name = r600_get_name;
 464         rscreen->screen.get_vendor = r600_get_vendor;
 465         rscreen->screen.get_param = r600_get_param;
 466         rscreen->screen.get_shader_param = r600_get_shader_param;
 467         rscreen->screen.get_paramf = r600_get_paramf;
 468         rscreen->screen.is_format_supported = r600_is_format_supported;
 469         rscreen->screen.context_create = r600_create_context;
 470         r600_init_screen_resource_functions(&rscreen->screen);
 471
 472         rscreen->tiling_info = r600_get_tiling_info(radeon);
 473
 474         return &rscreen->screen;
 475 }