src/gallium/drivers/nv50/nv50_screen.c

   1 /*
   2  * Copyright 2008 Ben Skeggs
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include "pipe/p_screen.h"
  24
  25 #include "nv50_context.h"
  26 #include "nv50_screen.h"
  27
  28 #include "nouveau/nouveau_stateobj.h"
  29
  30 static boolean
  31 nv50_screen_is_format_supported(struct pipe_screen *pscreen,
  32                                 enum pipe_format format,
  33                                 enum pipe_texture_target target,
  34                                 unsigned tex_usage, unsigned geom_flags)
  35 {
  36         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
  37                 switch (format) {
  38                 case PIPE_FORMAT_X8R8G8B8_UNORM:
  39                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  40                 case PIPE_FORMAT_R5G6B5_UNORM:
  41                 case PIPE_FORMAT_R16G16B16A16_SNORM:
  42                 case PIPE_FORMAT_R16G16B16A16_UNORM:
  43                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
  44                 case PIPE_FORMAT_R16G16_SNORM:
  45                 case PIPE_FORMAT_R16G16_UNORM:
  46                         return TRUE;
  47                 default:
  48                         break;
  49                 }
  50         } else
  51         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
  52                 switch (format) {
  53                 case PIPE_FORMAT_Z32_FLOAT:
  54                 case PIPE_FORMAT_Z24S8_UNORM:
  55                 case PIPE_FORMAT_X8Z24_UNORM:
  56                 case PIPE_FORMAT_S8Z24_UNORM:
  57                         return TRUE;
  58                 default:
  59                         break;
  60                 }
  61         } else {
  62                 switch (format) {
  63                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  64                 case PIPE_FORMAT_X8R8G8B8_UNORM:
  65                 case PIPE_FORMAT_A8R8G8B8_SRGB:
  66                 case PIPE_FORMAT_X8R8G8B8_SRGB:
  67                 case PIPE_FORMAT_A1R5G5B5_UNORM:
  68                 case PIPE_FORMAT_A4R4G4B4_UNORM:
  69                 case PIPE_FORMAT_R5G6B5_UNORM:
  70                 case PIPE_FORMAT_L8_UNORM:
  71                 case PIPE_FORMAT_A8_UNORM:
  72                 case PIPE_FORMAT_I8_UNORM:
  73                 case PIPE_FORMAT_A8L8_UNORM:
  74                 case PIPE_FORMAT_DXT1_RGB:
  75                 case PIPE_FORMAT_DXT1_RGBA:
  76                 case PIPE_FORMAT_DXT3_RGBA:
  77                 case PIPE_FORMAT_DXT5_RGBA:
  78                 case PIPE_FORMAT_Z24S8_UNORM:
  79                 case PIPE_FORMAT_S8Z24_UNORM:
  80                 case PIPE_FORMAT_Z32_FLOAT:
  81                 case PIPE_FORMAT_R16G16B16A16_SNORM:
  82                 case PIPE_FORMAT_R16G16B16A16_UNORM:
  83                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
  84                 case PIPE_FORMAT_R16G16_SNORM:
  85                 case PIPE_FORMAT_R16G16_UNORM:
  86                         return TRUE;
  87                 default:
  88                         break;
  89                 }
  90         }
  91
  92         return FALSE;
  93 }
  94
  95 static int
  96 nv50_screen_get_param(struct pipe_screen *pscreen, int param)
  97 {
  98         switch (param) {
  99         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 100                 return 32;
 101         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 102                 return 32;
 103         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 104                 return 64;
 105         case PIPE_CAP_NPOT_TEXTURES:
 106                 return 1;
 107         case PIPE_CAP_TWO_SIDED_STENCIL:
 108                 return 1;
 109         case PIPE_CAP_GLSL:
 110                 return 0;
 111         case PIPE_CAP_ANISOTROPIC_FILTER:
 112                 return 1;
 113         case PIPE_CAP_POINT_SPRITE:
 114                 return 1;
 115         case PIPE_CAP_MAX_RENDER_TARGETS:
 116                 return 8;
 117         case PIPE_CAP_OCCLUSION_QUERY:
 118                 return 1;
 119         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 120                 return 1;
 121         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 122                 return 13;
 123         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 124                 return 10;
 125         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 126                 return 13;
 127         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 128         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 129                 return 1;
 130         case PIPE_CAP_TGSI_CONT_SUPPORTED:
 131                 return 1;
 132         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 133                 return 1;
 134         case NOUVEAU_CAP_HW_VTXBUF:
 135                 return 1;
 136         case NOUVEAU_CAP_HW_IDXBUF:
 137                 return 0;
 138         default:
 139                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 140                 return 0;
 141         }
 142 }
 143
 144 static float
 145 nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
 146 {
 147         switch (param) {
 148         case PIPE_CAP_MAX_LINE_WIDTH:
 149         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 150                 return 10.0;
 151         case PIPE_CAP_MAX_POINT_WIDTH:
 152         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 153                 return 64.0;
 154         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 155                 return 16.0;
 156         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 157                 return 4.0;
 158         default:
 159                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 160                 return 0.0;
 161         }
 162 }
 163
 164 static void
 165 nv50_screen_destroy(struct pipe_screen *pscreen)
 166 {
 167         struct nv50_screen *screen = nv50_screen(pscreen);
 168         unsigned i;
 169
 170         for (i = 0; i < 2; i++) {
 171                 if (screen->constbuf_parm[i])
 172                         nouveau_bo_ref(NULL, &screen->constbuf_parm[i]);
 173         }
 174
 175         if (screen->constbuf_misc[0])
 176                 nouveau_bo_ref(NULL, &screen->constbuf_misc[0]);
 177         if (screen->tic)
 178                 nouveau_bo_ref(NULL, &screen->tic);
 179         if (screen->tsc)
 180                 nouveau_bo_ref(NULL, &screen->tsc);
 181         if (screen->static_init)
 182                 so_ref(NULL, &screen->static_init);
 183
 184         nouveau_notifier_free(&screen->sync);
 185         nouveau_grobj_free(&screen->tesla);
 186         nouveau_grobj_free(&screen->eng2d);
 187         nouveau_grobj_free(&screen->m2mf);
 188         nouveau_screen_fini(&screen->base);
 189         FREE(screen);
 190 }
 191
 192 static int
 193 nv50_pre_pipebuffer_map(struct pipe_screen *pscreen, struct pipe_buffer *pb,
 194         unsigned usage)
 195 {
 196         struct nv50_screen *screen = nv50_screen(pscreen);
 197         struct nv50_context *ctx = screen->cur_ctx;
 198
 199         if (!(pb->usage & PIPE_BUFFER_USAGE_VERTEX))
 200                 return 0;
 201
 202         /* Our vtxbuf got mapped, it can no longer be considered part of current
 203          * state, remove it to avoid emitting reloc markers.
 204          */
 205         if (ctx && ctx->state.vtxbuf && so_bo_is_reloc(ctx->state.vtxbuf,
 206                         nouveau_bo(pb))) {
 207                 so_ref(NULL, &ctx->state.vtxbuf);
 208                 ctx->dirty |= NV50_NEW_ARRAYS;
 209         }
 210
 211         return 0;
 212 }
 213
 214 struct pipe_screen *
 215 nv50_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 216 {
 217         struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
 218         struct nouveau_channel *chan;
 219         struct pipe_screen *pscreen;
 220         struct nouveau_stateobj *so;
 221         unsigned chipset = dev->chipset;
 222         unsigned tesla_class = 0;
 223         int ret, i;
 224
 225         if (!screen)
 226                 return NULL;
 227         pscreen = &screen->base.base;
 228
 229         ret = nouveau_screen_init(&screen->base, dev);
 230         if (ret) {
 231                 nv50_screen_destroy(pscreen);
 232                 return NULL;
 233         }
 234         chan = screen->base.channel;
 235
 236         pscreen->winsys = ws;
 237         pscreen->destroy = nv50_screen_destroy;
 238         pscreen->get_param = nv50_screen_get_param;
 239         pscreen->get_paramf = nv50_screen_get_paramf;
 240         pscreen->is_format_supported = nv50_screen_is_format_supported;
 241         screen->base.pre_pipebuffer_map_callback = nv50_pre_pipebuffer_map;
 242
 243         nv50_screen_init_miptree_functions(pscreen);
 244         nv50_transfer_init_screen_functions(pscreen);
 245
 246         /* DMA engine object */
 247         ret = nouveau_grobj_alloc(chan, 0xbeef5039,
 248                 NV50_MEMORY_TO_MEMORY_FORMAT, &screen->m2mf);
 249         if (ret) {
 250                 NOUVEAU_ERR("Error creating M2MF object: %d\n", ret);
 251                 nv50_screen_destroy(pscreen);
 252                 return NULL;
 253         }
 254         BIND_RING(chan, screen->m2mf, 1);
 255
 256         /* 2D object */
 257         ret = nouveau_grobj_alloc(chan, 0xbeef502d, NV50_2D, &screen->eng2d);
 258         if (ret) {
 259                 NOUVEAU_ERR("Error creating 2D object: %d\n", ret);
 260                 nv50_screen_destroy(pscreen);
 261                 return NULL;
 262         }
 263         BIND_RING(chan, screen->eng2d, 2);
 264
 265         /* 3D object */
 266         switch (chipset & 0xf0) {
 267         case 0x50:
 268                 tesla_class = NV50TCL;
 269                 break;
 270         case 0x80:
 271         case 0x90:
 272                 tesla_class = NV84TCL;
 273                 break;
 274         case 0xa0:
 275                 switch (chipset) {
 276                 case 0xa0:
 277                 case 0xaa:
 278                 case 0xac:
 279                         tesla_class = NVA0TCL;
 280                         break;
 281                 default:
 282                         tesla_class = NVA8TCL;
 283                         break;
 284                 }
 285                 break;
 286         default:
 287                 NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
 288                 nv50_screen_destroy(pscreen);
 289                 return NULL;
 290         }
 291
 292         ret = nouveau_grobj_alloc(chan, 0xbeef5097, tesla_class,
 293                 &screen->tesla);
 294         if (ret) {
 295                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 296                 nv50_screen_destroy(pscreen);
 297                 return NULL;
 298         }
 299         BIND_RING(chan, screen->tesla, 3);
 300
 301         /* Sync notifier */
 302         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 303         if (ret) {
 304                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 305                 nv50_screen_destroy(pscreen);
 306                 return NULL;
 307         }
 308
 309         /* Static M2MF init */
 310         so = so_new(32, 0);
 311         so_method(so, screen->m2mf, NV04_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3);
 312         so_data  (so, screen->sync->handle);
 313         so_data  (so, chan->vram->handle);
 314         so_data  (so, chan->vram->handle);
 315         so_emit(chan, so);
 316         so_ref (NULL, &so);
 317
 318         /* Static 2D init */
 319         so = so_new(64, 0);
 320         so_method(so, screen->eng2d, NV50_2D_DMA_NOTIFY, 4);
 321         so_data  (so, screen->sync->handle);
 322         so_data  (so, chan->vram->handle);
 323         so_data  (so, chan->vram->handle);
 324         so_data  (so, chan->vram->handle);
 325         so_method(so, screen->eng2d, NV50_2D_OPERATION, 1);
 326         so_data  (so, NV50_2D_OPERATION_SRCCOPY);
 327         so_method(so, screen->eng2d, NV50_2D_CLIP_ENABLE, 1);
 328         so_data  (so, 0);
 329         so_method(so, screen->eng2d, 0x0888, 1);
 330         so_data  (so, 1);
 331         so_emit(chan, so);
 332         so_ref(NULL, &so);
 333
 334         /* Static tesla init */
 335         so = so_new(256, 20);
 336
 337         so_method(so, screen->tesla, NV50TCL_COND_MODE, 1);
 338         so_data  (so, NV50TCL_COND_MODE_ALWAYS);
 339         so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
 340         so_data  (so, screen->sync->handle);
 341         so_method(so, screen->tesla, NV50TCL_DMA_ZETA, 11);
 342         for (i = 0; i < 11; i++)
 343                 so_data(so, chan->vram->handle);
 344         so_method(so, screen->tesla, NV50TCL_DMA_COLOR(0),
 345                                      NV50TCL_DMA_COLOR__SIZE);
 346         for (i = 0; i < NV50TCL_DMA_COLOR__SIZE; i++)
 347                 so_data(so, chan->vram->handle);
 348         so_method(so, screen->tesla, NV50TCL_RT_CONTROL, 1);
 349         so_data  (so, 1);
 350
 351         /* activate all 32 lanes (threads) in a warp */
 352         so_method(so, screen->tesla, NV50TCL_WARP_HALVES, 1);
 353         so_data  (so, 0x2);
 354         so_method(so, screen->tesla, 0x1400, 1);
 355         so_data  (so, 0xf);
 356
 357         /* max TIC (bits 4:8) & TSC (ignored) bindings, per program type */
 358         so_method(so, screen->tesla, NV50TCL_TEX_LIMITS(0), 1);
 359         so_data  (so, 0x54);
 360         so_method(so, screen->tesla, NV50TCL_TEX_LIMITS(2), 1);
 361         so_data  (so, 0x54);
 362         /* origin is top left (set to 1 for bottom left) */
 363         so_method(so, screen->tesla, NV50TCL_Y_ORIGIN_BOTTOM, 1);
 364         so_data  (so, 0);
 365         so_method(so, screen->tesla, NV50TCL_VP_REG_ALLOC_RESULT, 1);
 366         so_data  (so, 8);
 367
 368         /* constant buffers for immediates and VP/FP parameters */
 369         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, (32 * 4) * 4,
 370                              &screen->constbuf_misc[0]);
 371         if (ret) {
 372                 nv50_screen_destroy(pscreen);
 373                 return NULL;
 374         }
 375
 376         for (i = 0; i < 2; i++) {
 377                 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, (128 * 4) * 4,
 378                                      &screen->constbuf_parm[i]);
 379                 if (ret) {
 380                         nv50_screen_destroy(pscreen);
 381                         return NULL;
 382                 }
 383         }
 384
 385         if (nouveau_resource_init(&screen->immd_heap[0], 0, 128) ||
 386             nouveau_resource_init(&screen->parm_heap[0], 0, 512) ||
 387             nouveau_resource_init(&screen->parm_heap[1], 0, 512))
 388         {
 389                 NOUVEAU_ERR("Error initialising constant buffers.\n");
 390                 nv50_screen_destroy(pscreen);
 391                 return NULL;
 392         }
 393
 394         /*
 395         // map constant buffers:
 396         //  B = buffer ID (maybe more than 1 byte)
 397         //  N = CB index used in shader instruction
 398         //  P = program type (0 = VP, 2 = GP, 3 = FP)
 399         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 400         so_data  (so, 0x000BBNP1);
 401         */
 402
 403         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 404         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 405                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 406         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 407                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 408         so_data  (so, (NV50_CB_PMISC << 16) | 0x00000200);
 409         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 410         so_data  (so, 0x00000001 | (NV50_CB_PMISC << 12));
 411         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 412         so_data  (so, 0x00000031 | (NV50_CB_PMISC << 12));
 413
 414         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 415         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 416                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 417         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 418                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 419         so_data  (so, (NV50_CB_PVP << 16) | 0x00000800);
 420         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 421         so_data  (so, 0x00000101 | (NV50_CB_PVP << 12));
 422
 423         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 424         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 425                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 426         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 427                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 428         so_data  (so, (NV50_CB_PFP << 16) | 0x00000800);
 429         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 430         so_data  (so, 0x00000131 | (NV50_CB_PFP << 12));
 431
 432         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, PIPE_SHADER_TYPES*32*32,
 433                              &screen->tic);
 434         if (ret) {
 435                 nv50_screen_destroy(pscreen);
 436                 return NULL;
 437         }
 438
 439         so_method(so, screen->tesla, NV50TCL_TIC_ADDRESS_HIGH, 3);
 440         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 441                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 442         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 443                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 444         so_data  (so, PIPE_SHADER_TYPES * 32 - 1);
 445
 446         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, PIPE_SHADER_TYPES*32*32,
 447                              &screen->tsc);
 448         if (ret) {
 449                 nv50_screen_destroy(pscreen);
 450                 return NULL;
 451         }
 452
 453         so_method(so, screen->tesla, NV50TCL_TSC_ADDRESS_HIGH, 3);
 454         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 455                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 456         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 457                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 458         so_data  (so, 0x00000000); /* ignored if TSC_LINKED (0x1234) = 1 */
 459
 460
 461         /* Vertex array limits - max them out */
 462         for (i = 0; i < 16; i++) {
 463                 so_method(so, screen->tesla, NV50TCL_VERTEX_ARRAY_LIMIT_HIGH(i), 2);
 464                 so_data  (so, 0x000000ff);
 465                 so_data  (so, 0xffffffff);
 466         }
 467
 468         so_method(so, screen->tesla, NV50TCL_DEPTH_RANGE_NEAR(0), 2);
 469         so_data  (so, fui(0.0));
 470         so_data  (so, fui(1.0));
 471
 472         /* no dynamic combination of TIC & TSC entries => only BIND_TIC used */
 473         so_method(so, screen->tesla, NV50TCL_LINKED_TSC, 1);
 474         so_data  (so, 1);
 475
 476         /* activate first scissor rectangle */
 477         so_method(so, screen->tesla, NV50TCL_SCISSOR_ENABLE(0), 1);
 478         so_data  (so, 1);
 479
 480         so_method(so, screen->tesla, NV50TCL_EDGEFLAG_ENABLE, 1);
 481         so_data  (so, 1); /* default edgeflag to TRUE */
 482
 483         so_emit(chan, so);
 484         so_ref (so, &screen->static_init);
 485         so_ref (NULL, &so);
 486         nouveau_pushbuf_flush(chan, 0);
 487
 488         return pscreen;
 489 }
 490