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 #include "r600_video_context.h"
  47
  48 /*
  49  * pipe_context
  50  */
  51 static void r600_flush(struct pipe_context *ctx, unsigned flags,
  52                         struct pipe_fence_handle **fence)
  53 {
  54         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  55 #if 0
  56         static int dc = 0;
  57         char dname[256];
  58 #endif
  59
  60         if (!rctx->ctx.pm4_cdwords)
  61                 return;
  62
  63         u_upload_flush(rctx->upload_vb);
  64         u_upload_flush(rctx->upload_ib);
  65
  66 #if 0
  67         sprintf(dname, "gallium-%08d.bof", dc);
  68         if (dc < 20) {
  69                 r600_context_dump_bof(&rctx->ctx, dname);
  70                 R600_ERR("dumped %s\n", dname);
  71         }
  72         dc++;
  73 #endif
  74         r600_context_flush(&rctx->ctx);
  75 }
  76
  77 static void r600_destroy_context(struct pipe_context *context)
  78 {
  79         struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
  80
  81         r600_context_fini(&rctx->ctx);
  82         for (int i = 0; i < R600_PIPE_NSTATES; i++) {
  83                 free(rctx->states[i]);
  84         }
  85
  86         util_blitter_destroy(rctx->blitter);
  87
  88         u_upload_destroy(rctx->upload_vb);
  89         u_upload_destroy(rctx->upload_ib);
  90
  91         if (rctx->tran.translate_cache)
  92                 translate_cache_destroy(rctx->tran.translate_cache);
  93
  94         FREE(rctx->ps_resource);
  95         FREE(rctx->vs_resource);
  96         FREE(rctx);
  97 }
  98
  99 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
 100 {
 101         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
 102         struct r600_screen* rscreen = (struct r600_screen *)screen;
 103         enum chip_class class;
 104
 105         if (rctx == NULL)
 106                 return NULL;
 107         rctx->context.winsys = rscreen->screen.winsys;
 108         rctx->context.screen = screen;
 109         rctx->context.priv = priv;
 110         rctx->context.destroy = r600_destroy_context;
 111         rctx->context.flush = r600_flush;
 112
 113         /* Easy accessing of screen/winsys. */
 114         rctx->screen = rscreen;
 115         rctx->radeon = rscreen->radeon;
 116         rctx->family = r600_get_family(rctx->radeon);
 117
 118         r600_init_blit_functions(rctx);
 119         r600_init_query_functions(rctx);
 120         r600_init_context_resource_functions(rctx);
 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                 rctx->context.draw_vbo = r600_draw_vbo;
 136                 r600_init_state_functions(rctx);
 137                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 138                         r600_destroy_context(&rctx->context);
 139                         return NULL;
 140                 }
 141                 r600_init_config(rctx);
 142                 break;
 143         case CHIP_CEDAR:
 144         case CHIP_REDWOOD:
 145         case CHIP_JUNIPER:
 146         case CHIP_CYPRESS:
 147         case CHIP_HEMLOCK:
 148                 rctx->context.draw_vbo = evergreen_draw;
 149                 evergreen_init_state_functions(rctx);
 150                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 151                         r600_destroy_context(&rctx->context);
 152                         return NULL;
 153                 }
 154                 evergreen_init_config(rctx);
 155                 break;
 156         default:
 157                 R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
 158                 r600_destroy_context(&rctx->context);
 159                 return NULL;
 160         }
 161
 162         rctx->upload_ib = u_upload_create(&rctx->context, 32 * 1024, 16,
 163                                           PIPE_BIND_INDEX_BUFFER);
 164         if (rctx->upload_ib == NULL) {
 165                 r600_destroy_context(&rctx->context);
 166                 return NULL;
 167         }
 168
 169         rctx->upload_vb = u_upload_create(&rctx->context, 128 * 1024, 16,
 170                                           PIPE_BIND_VERTEX_BUFFER);
 171         if (rctx->upload_vb == NULL) {
 172                 r600_destroy_context(&rctx->context);
 173                 return NULL;
 174         }
 175
 176         rctx->blitter = util_blitter_create(&rctx->context);
 177         if (rctx->blitter == NULL) {
 178                 FREE(rctx);
 179                 return NULL;
 180         }
 181
 182         rctx->tran.translate_cache = translate_cache_create();
 183         if (rctx->tran.translate_cache == NULL) {
 184                 FREE(rctx);
 185                 return NULL;
 186         }
 187
 188         rctx->vs_resource = CALLOC(R600_RESOURCE_ARRAY_SIZE, sizeof(struct r600_pipe_state));
 189         if (!rctx->vs_resource) {
 190                 FREE(rctx);
 191                 return NULL;
 192         }
 193
 194         rctx->ps_resource = CALLOC(R600_RESOURCE_ARRAY_SIZE, sizeof(struct r600_pipe_state));
 195         if (!rctx->ps_resource) {
 196                 FREE(rctx);
 197                 return NULL;
 198         }
 199
 200         class = r600_get_family_class(rctx->radeon);
 201         if (class == R600 || class == R700)
 202                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 203         else
 204                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 205
 206         r600_blit_uncompress_depth_ptr = r600_blit_uncompress_depth;
 207
 208         return &rctx->context;
 209 }
 210
 211 /*
 212  * pipe_screen
 213  */
 214 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 215 {
 216         return "X.Org";
 217 }
 218
 219 static const char *r600_get_family_name(enum radeon_family family)
 220 {
 221         switch(family) {
 222         case CHIP_R600: return "R600";
 223         case CHIP_RV610: return "RV610";
 224         case CHIP_RV630: return "RV630";
 225         case CHIP_RV670: return "RV670";
 226         case CHIP_RV620: return "RV620";
 227         case CHIP_RV635: return "RV635";
 228         case CHIP_RS780: return "RS780";
 229         case CHIP_RS880: return "RS880";
 230         case CHIP_RV770: return "RV770";
 231         case CHIP_RV730: return "RV730";
 232         case CHIP_RV710: return "RV710";
 233         case CHIP_RV740: return "RV740";
 234         case CHIP_CEDAR: return "CEDAR";
 235         case CHIP_REDWOOD: return "REDWOOD";
 236         case CHIP_JUNIPER: return "JUNIPER";
 237         case CHIP_CYPRESS: return "CYPRESS";
 238         case CHIP_HEMLOCK: return "HEMLOCK";
 239         default: return "unknown";
 240         }
 241 }
 242
 243 static const char* r600_get_name(struct pipe_screen* pscreen)
 244 {
 245         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 246         enum radeon_family family = r600_get_family(rscreen->radeon);
 247
 248         return r600_get_family_name(family);
 249 }
 250
 251 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 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_TIMER_QUERY:
 276         case PIPE_CAP_STREAM_OUTPUT:
 277         case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 278                 return 0;
 279
 280         /* Texturing. */
 281         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 282         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 283         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 284                 return 14;
 285         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 286                 /* FIXME allow this once infrastructure is there */
 287                 return 16;
 288         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 289         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 290                 return 16;
 291
 292         /* Render targets. */
 293         case PIPE_CAP_MAX_RENDER_TARGETS:
 294                 /* FIXME some r6xx are buggy and can only do 4 */
 295                 return 8;
 296
 297         /* Fragment coordinate conventions. */
 298         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 299         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 300                 return 1;
 301         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 302         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 303                 return 0;
 304
 305         default:
 306                 R600_ERR("r600: unknown param %d\n", param);
 307                 return 0;
 308         }
 309 }
 310
 311 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 312 {
 313         switch (param) {
 314         case PIPE_CAP_MAX_LINE_WIDTH:
 315         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 316         case PIPE_CAP_MAX_POINT_WIDTH:
 317         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 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 1;
 366         case PIPE_SHADER_CAP_MAX_PREDS:
 367                 return 0; /* FIXME */
 368         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 369                 return 1;
 370         default:
 371                 return 0;
 372         }
 373 }
 374
 375 static boolean r600_is_format_supported(struct pipe_screen* screen,
 376                                         enum pipe_format format,
 377                                         enum pipe_texture_target target,
 378                                         unsigned sample_count,
 379                                         unsigned usage,
 380                                         unsigned geom_flags)
 381 {
 382         unsigned retval = 0;
 383         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 384                 R600_ERR("r600: unsupported texture type %d\n", target);
 385                 return FALSE;
 386         }
 387
 388         /* Multisample */
 389         if (sample_count > 1)
 390                 return FALSE;
 391
 392         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 393             r600_is_sampler_format_supported(format)) {
 394                 retval |= PIPE_BIND_SAMPLER_VIEW;
 395         }
 396
 397         if ((usage & (PIPE_BIND_RENDER_TARGET |
 398                   PIPE_BIND_DISPLAY_TARGET |
 399                   PIPE_BIND_SCANOUT |
 400                   PIPE_BIND_SHARED)) &&
 401             r600_is_colorbuffer_format_supported(format)) {
 402                 retval |= usage &
 403                         (PIPE_BIND_RENDER_TARGET |
 404                          PIPE_BIND_DISPLAY_TARGET |
 405                          PIPE_BIND_SCANOUT |
 406                          PIPE_BIND_SHARED);
 407         }
 408
 409         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 410             r600_is_zs_format_supported(format)) {
 411                 retval |= PIPE_BIND_DEPTH_STENCIL;
 412         }
 413
 414         if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
 415             r600_is_vertex_format_supported(format))
 416                 retval |= PIPE_BIND_VERTEX_BUFFER;
 417
 418         if (usage & PIPE_BIND_TRANSFER_READ)
 419                 retval |= PIPE_BIND_TRANSFER_READ;
 420         if (usage & PIPE_BIND_TRANSFER_WRITE)
 421                 retval |= PIPE_BIND_TRANSFER_WRITE;
 422
 423         return retval == usage;
 424 }
 425
 426 static void r600_destroy_screen(struct pipe_screen* pscreen)
 427 {
 428         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 429
 430         if (rscreen == NULL)
 431                 return;
 432         FREE(rscreen);
 433 }
 434
 435
 436 struct pipe_screen *r600_screen_create(struct radeon *radeon)
 437 {
 438         struct r600_screen *rscreen;
 439
 440         rscreen = CALLOC_STRUCT(r600_screen);
 441         if (rscreen == NULL) {
 442                 return NULL;
 443         }
 444
 445         rscreen->radeon = radeon;
 446         rscreen->screen.winsys = (struct pipe_winsys*)radeon;
 447         rscreen->screen.destroy = r600_destroy_screen;
 448         rscreen->screen.get_name = r600_get_name;
 449         rscreen->screen.get_vendor = r600_get_vendor;
 450         rscreen->screen.get_param = r600_get_param;
 451         rscreen->screen.get_shader_param = r600_get_shader_param;
 452         rscreen->screen.get_paramf = r600_get_paramf;
 453         rscreen->screen.is_format_supported = r600_is_format_supported;
 454         rscreen->screen.context_create = r600_create_context;
 455         rscreen->screen.video_context_create = r600_video_create;
 456         r600_init_screen_texture_functions(&rscreen->screen);
 457         r600_init_screen_resource_functions(&rscreen->screen);
 458
 459         rscreen->tiling_info = r600_get_tiling_info(radeon);
 460
 461         return &rscreen->screen;
 462 }