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_A8R8G8B8_UNORM:
  39                 case PIPE_FORMAT_R5G6B5_UNORM:
  40                         return TRUE;
  41                 default:
  42                         break;
  43                 }
  44         } else
  45         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
  46                 switch (format) {
  47                 case PIPE_FORMAT_Z24S8_UNORM:
  48                 case PIPE_FORMAT_Z24X8_UNORM:
  49                 case PIPE_FORMAT_Z16_UNORM:
  50                         return TRUE;
  51                 default:
  52                         break;
  53                 }
  54         } else {
  55                 switch (format) {
  56                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  57                 case PIPE_FORMAT_A1R5G5B5_UNORM:
  58                 case PIPE_FORMAT_A4R4G4B4_UNORM:
  59                 case PIPE_FORMAT_R5G6B5_UNORM:
  60                 case PIPE_FORMAT_L8_UNORM:
  61                 case PIPE_FORMAT_A8_UNORM:
  62                 case PIPE_FORMAT_I8_UNORM:
  63                 case PIPE_FORMAT_A8L8_UNORM:
  64                 case PIPE_FORMAT_DXT1_RGB:
  65                 case PIPE_FORMAT_DXT1_RGBA:
  66                 case PIPE_FORMAT_DXT3_RGBA:
  67                 case PIPE_FORMAT_DXT5_RGBA:
  68                         return TRUE;
  69                 default:
  70                         break;
  71                 }
  72         }
  73
  74         return FALSE;
  75 }
  76
  77 static int
  78 nv50_screen_get_param(struct pipe_screen *pscreen, int param)
  79 {
  80         switch (param) {
  81         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  82                 return 32;
  83         case PIPE_CAP_NPOT_TEXTURES:
  84                 return 1;
  85         case PIPE_CAP_TWO_SIDED_STENCIL:
  86                 return 1;
  87         case PIPE_CAP_GLSL:
  88                 return 0;
  89         case PIPE_CAP_S3TC:
  90                 return 1;
  91         case PIPE_CAP_ANISOTROPIC_FILTER:
  92                 return 1;
  93         case PIPE_CAP_POINT_SPRITE:
  94                 return 0;
  95         case PIPE_CAP_MAX_RENDER_TARGETS:
  96                 return 8;
  97         case PIPE_CAP_OCCLUSION_QUERY:
  98                 return 1;
  99         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 100                 return 1;
 101         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 102                 return 13;
 103         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 104                 return 10;
 105         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 106                 return 13;
 107         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 108         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 109                 return 1;
 110         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 111                 return 0;
 112         case PIPE_CAP_TGSI_CONT_SUPPORTED:
 113                 return 0;
 114         case NOUVEAU_CAP_HW_VTXBUF:
 115                 return 1;
 116         case NOUVEAU_CAP_HW_IDXBUF:
 117                 return 0;
 118         default:
 119                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 120                 return 0;
 121         }
 122 }
 123
 124 static float
 125 nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
 126 {
 127         switch (param) {
 128         case PIPE_CAP_MAX_LINE_WIDTH:
 129         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 130                 return 10.0;
 131         case PIPE_CAP_MAX_POINT_WIDTH:
 132         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 133                 return 64.0;
 134         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 135                 return 16.0;
 136         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 137                 return 4.0;
 138         default:
 139                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 140                 return 0.0;
 141         }
 142 }
 143
 144 static void
 145 nv50_screen_destroy(struct pipe_screen *pscreen)
 146 {
 147         struct nv50_screen *screen = nv50_screen(pscreen);
 148
 149         nouveau_notifier_free(&screen->sync);
 150         nouveau_grobj_free(&screen->tesla);
 151         nouveau_grobj_free(&screen->eng2d);
 152         nouveau_grobj_free(&screen->m2mf);
 153         nouveau_screen_fini(&screen->base);
 154         FREE(screen);
 155 }
 156
 157 struct pipe_screen *
 158 nv50_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 159 {
 160         struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
 161         struct nouveau_channel *chan;
 162         struct pipe_screen *pscreen;
 163         struct nouveau_stateobj *so;
 164         unsigned chipset = dev->chipset;
 165         unsigned tesla_class = 0;
 166         int ret, i;
 167
 168         if (!screen)
 169                 return NULL;
 170         pscreen = &screen->base.base;
 171
 172         ret = nouveau_screen_init(&screen->base, dev);
 173         if (ret) {
 174                 nv50_screen_destroy(pscreen);
 175                 return NULL;
 176         }
 177         chan = screen->base.channel;
 178
 179         pscreen->winsys = ws;
 180         pscreen->destroy = nv50_screen_destroy;
 181         pscreen->get_param = nv50_screen_get_param;
 182         pscreen->get_paramf = nv50_screen_get_paramf;
 183         pscreen->is_format_supported = nv50_screen_is_format_supported;
 184
 185         nv50_screen_init_miptree_functions(pscreen);
 186         nv50_transfer_init_screen_functions(pscreen);
 187
 188         /* DMA engine object */
 189         ret = nouveau_grobj_alloc(chan, 0xbeef5039, 0x5039, &screen->m2mf);
 190         if (ret) {
 191                 NOUVEAU_ERR("Error creating M2MF object: %d\n", ret);
 192                 nv50_screen_destroy(pscreen);
 193                 return NULL;
 194         }
 195         BIND_RING(chan, screen->m2mf, 1);
 196
 197         /* 2D object */
 198         ret = nouveau_grobj_alloc(chan, 0xbeef502d, 0x502d, &screen->eng2d);
 199         if (ret) {
 200                 NOUVEAU_ERR("Error creating 2D object: %d\n", ret);
 201                 nv50_screen_destroy(pscreen);
 202                 return NULL;
 203         }
 204         BIND_RING(chan, screen->eng2d, 2);
 205
 206         /* 3D object */
 207         switch (chipset & 0xf0) {
 208         case 0x50:
 209                 tesla_class = 0x5097;
 210                 break;
 211         case 0x80:
 212         case 0x90:
 213                 tesla_class = 0x8297;
 214                 break;
 215         case 0xa0:
 216                 tesla_class = 0x8397;
 217                 break;
 218         default:
 219                 NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
 220                 nv50_screen_destroy(pscreen);
 221                 return NULL;
 222         }
 223
 224         if (tesla_class == 0) {
 225                 NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
 226                 nv50_screen_destroy(pscreen);
 227                 return NULL;
 228         }
 229
 230         ret = nouveau_grobj_alloc(chan, 0xbeef5097, tesla_class, &screen->tesla);
 231         if (ret) {
 232                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 233                 nv50_screen_destroy(pscreen);
 234                 return NULL;
 235         }
 236         BIND_RING(chan, screen->tesla, 3);
 237
 238         /* Sync notifier */
 239         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 240         if (ret) {
 241                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 242                 nv50_screen_destroy(pscreen);
 243                 return NULL;
 244         }
 245
 246         /* Static M2MF init */
 247         so = so_new(32, 0);
 248         so_method(so, screen->m2mf, 0x0180, 3);
 249         so_data  (so, screen->sync->handle);
 250         so_data  (so, chan->vram->handle);
 251         so_data  (so, chan->vram->handle);
 252         so_emit(chan, so);
 253         so_ref (NULL, &so);
 254
 255         /* Static 2D init */
 256         so = so_new(64, 0);
 257         so_method(so, screen->eng2d, NV50_2D_DMA_NOTIFY, 4);
 258         so_data  (so, screen->sync->handle);
 259         so_data  (so, chan->vram->handle);
 260         so_data  (so, chan->vram->handle);
 261         so_data  (so, chan->vram->handle);
 262         so_method(so, screen->eng2d, NV50_2D_OPERATION, 1);
 263         so_data  (so, NV50_2D_OPERATION_SRCCOPY);
 264         so_method(so, screen->eng2d, 0x0290, 1);
 265         so_data  (so, 0);
 266         so_method(so, screen->eng2d, 0x0888, 1);
 267         so_data  (so, 1);
 268         so_emit(chan, so);
 269         so_ref(NULL, &so);
 270
 271         /* Static tesla init */
 272         so = so_new(256, 20);
 273
 274         so_method(so, screen->tesla, 0x1558, 1);
 275         so_data  (so, 1);
 276         so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
 277         so_data  (so, screen->sync->handle);
 278         so_method(so, screen->tesla, NV50TCL_DMA_UNK0(0),
 279                                      NV50TCL_DMA_UNK0__SIZE);
 280         for (i = 0; i < NV50TCL_DMA_UNK0__SIZE; i++)
 281                 so_data(so, chan->vram->handle);
 282         so_method(so, screen->tesla, NV50TCL_DMA_UNK1(0),
 283                                      NV50TCL_DMA_UNK1__SIZE);
 284         for (i = 0; i < NV50TCL_DMA_UNK1__SIZE; i++)
 285                 so_data(so, chan->vram->handle);
 286         so_method(so, screen->tesla, 0x121c, 1);
 287         so_data  (so, 1);
 288
 289         so_method(so, screen->tesla, 0x13bc, 1);
 290         so_data  (so, 0x54);
 291         so_method(so, screen->tesla, 0x13ac, 1);
 292         so_data  (so, 1);
 293         so_method(so, screen->tesla, 0x16b8, 1);
 294         so_data  (so, 8);
 295
 296         /* constant buffers for immediates and VP/FP parameters */
 297         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 298                              &screen->constbuf_misc[0]);
 299         if (ret) {
 300                 nv50_screen_destroy(pscreen);
 301                 return NULL;
 302         }
 303
 304         for (i = 0; i < 2; i++) {
 305                 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 306                                      &screen->constbuf_parm[i]);
 307                 if (ret) {
 308                         nv50_screen_destroy(pscreen);
 309                         return NULL;
 310                 }
 311         }
 312
 313         if (nouveau_resource_init(&screen->immd_heap[0], 0, 128) ||
 314                 nouveau_resource_init(&screen->parm_heap[0], 0, 128) ||
 315                 nouveau_resource_init(&screen->parm_heap[1], 0, 128))
 316         {
 317                 NOUVEAU_ERR("Error initialising constant buffers.\n");
 318                 nv50_screen_destroy(pscreen);
 319                 return NULL;
 320         }
 321
 322         /*
 323         // map constant buffers:
 324         //  B = buffer ID (maybe more than 1 byte)
 325         //  N = CB index used in shader instruction
 326         //  P = program type (0 = VP, 2 = GP, 3 = FP)
 327         so_method(so, screen->tesla, 0x1694, 1);
 328         so_data  (so, 0x000BBNP1);
 329         */
 330
 331         so_method(so, screen->tesla, 0x1280, 3);
 332         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 333                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 334         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 335                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 336         so_data  (so, (NV50_CB_PMISC << 16) | 0x00000800);
 337         so_method(so, screen->tesla, 0x1694, 1);
 338         so_data  (so, 0x00000001 | (NV50_CB_PMISC << 12));
 339         so_method(so, screen->tesla, 0x1694, 1);
 340         so_data  (so, 0x00000031 | (NV50_CB_PMISC << 12));
 341
 342         so_method(so, screen->tesla, 0x1280, 3);
 343         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 344                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 345         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 346                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 347         so_data  (so, (NV50_CB_PVP << 16) | 0x00000800);
 348         so_method(so, screen->tesla, 0x1694, 1);
 349         so_data  (so, 0x00000101 | (NV50_CB_PVP << 12));
 350
 351         so_method(so, screen->tesla, 0x1280, 3);
 352         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 353                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 354         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 355                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 356         so_data  (so, (NV50_CB_PFP << 16) | 0x00000800);
 357         so_method(so, screen->tesla, 0x1694, 1);
 358         so_data  (so, 0x00000131 | (NV50_CB_PFP << 12));
 359
 360         /* Texture sampler/image unit setup - we abuse the constant buffer
 361          * upload mechanism for the moment to upload data to the tex config
 362          * blocks.  At some point we *may* want to go the NVIDIA way of doing
 363          * things?
 364          */
 365         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tic);
 366         if (ret) {
 367                 nv50_screen_destroy(pscreen);
 368                 return NULL;
 369         }
 370
 371         so_method(so, screen->tesla, 0x1280, 3);
 372         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 373                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 374         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 375                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 376         so_data  (so, (NV50_CB_TIC << 16) | 0x0800);
 377         so_method(so, screen->tesla, 0x1574, 3);
 378         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 379                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 380         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 381                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 382         so_data  (so, 0x00000800);
 383
 384         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tsc);
 385         if (ret) {
 386                 nv50_screen_destroy(pscreen);
 387                 return NULL;
 388         }
 389
 390         so_method(so, screen->tesla, 0x1280, 3);
 391         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 392                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 393         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 394                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 395         so_data  (so, (NV50_CB_TSC << 16) | 0x0800);
 396         so_method(so, screen->tesla, 0x155c, 3);
 397         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 398                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 399         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 400                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 401         so_data  (so, 0x00000800);
 402
 403
 404         /* Vertex array limits - max them out */
 405         for (i = 0; i < 16; i++) {
 406                 so_method(so, screen->tesla, 0x1080 + (i * 8), 2);
 407                 so_data  (so, 0x000000ff);
 408                 so_data  (so, 0xffffffff);
 409         }
 410
 411         so_method(so, screen->tesla, NV50TCL_DEPTH_RANGE_NEAR, 2);
 412         so_data  (so, fui(0.0));
 413         so_data  (so, fui(1.0));
 414
 415         so_method(so, screen->tesla, 0x1234, 1);
 416         so_data  (so, 1);
 417
 418         so_emit(chan, so);
 419         so_ref (so, &screen->static_init);
 420         so_ref (NULL, &so);
 421         nouveau_pushbuf_flush(chan, 0);
 422
 423         return pscreen;
 424 }
 425