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 PIPE_CAP_BLEND_EQUATION_SEPARATE:
 115                 return 1;
 116         case NOUVEAU_CAP_HW_VTXBUF:
 117                 return 1;
 118         case NOUVEAU_CAP_HW_IDXBUF:
 119                 return 0;
 120         default:
 121                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 122                 return 0;
 123         }
 124 }
 125
 126 static float
 127 nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
 128 {
 129         switch (param) {
 130         case PIPE_CAP_MAX_LINE_WIDTH:
 131         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 132                 return 10.0;
 133         case PIPE_CAP_MAX_POINT_WIDTH:
 134         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 135                 return 64.0;
 136         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 137                 return 16.0;
 138         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 139                 return 4.0;
 140         default:
 141                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 142                 return 0.0;
 143         }
 144 }
 145
 146 static void
 147 nv50_screen_destroy(struct pipe_screen *pscreen)
 148 {
 149         struct nv50_screen *screen = nv50_screen(pscreen);
 150
 151         nouveau_notifier_free(&screen->sync);
 152         nouveau_grobj_free(&screen->tesla);
 153         nouveau_grobj_free(&screen->eng2d);
 154         nouveau_grobj_free(&screen->m2mf);
 155         nouveau_screen_fini(&screen->base);
 156         FREE(screen);
 157 }
 158
 159 struct pipe_screen *
 160 nv50_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 161 {
 162         struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
 163         struct nouveau_channel *chan;
 164         struct pipe_screen *pscreen;
 165         struct nouveau_stateobj *so;
 166         unsigned chipset = dev->chipset;
 167         unsigned tesla_class = 0;
 168         int ret, i;
 169
 170         if (!screen)
 171                 return NULL;
 172         pscreen = &screen->base.base;
 173
 174         ret = nouveau_screen_init(&screen->base, dev);
 175         if (ret) {
 176                 nv50_screen_destroy(pscreen);
 177                 return NULL;
 178         }
 179         chan = screen->base.channel;
 180
 181         pscreen->winsys = ws;
 182         pscreen->destroy = nv50_screen_destroy;
 183         pscreen->get_param = nv50_screen_get_param;
 184         pscreen->get_paramf = nv50_screen_get_paramf;
 185         pscreen->is_format_supported = nv50_screen_is_format_supported;
 186
 187         nv50_screen_init_miptree_functions(pscreen);
 188         nv50_transfer_init_screen_functions(pscreen);
 189
 190         /* DMA engine object */
 191         ret = nouveau_grobj_alloc(chan, 0xbeef5039, 0x5039, &screen->m2mf);
 192         if (ret) {
 193                 NOUVEAU_ERR("Error creating M2MF object: %d\n", ret);
 194                 nv50_screen_destroy(pscreen);
 195                 return NULL;
 196         }
 197         BIND_RING(chan, screen->m2mf, 1);
 198
 199         /* 2D object */
 200         ret = nouveau_grobj_alloc(chan, 0xbeef502d, 0x502d, &screen->eng2d);
 201         if (ret) {
 202                 NOUVEAU_ERR("Error creating 2D object: %d\n", ret);
 203                 nv50_screen_destroy(pscreen);
 204                 return NULL;
 205         }
 206         BIND_RING(chan, screen->eng2d, 2);
 207
 208         /* 3D object */
 209         switch (chipset & 0xf0) {
 210         case 0x50:
 211                 tesla_class = 0x5097;
 212                 break;
 213         case 0x80:
 214         case 0x90:
 215                 tesla_class = 0x8297;
 216                 break;
 217         case 0xa0:
 218                 tesla_class = 0x8397;
 219                 break;
 220         default:
 221                 NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
 222                 nv50_screen_destroy(pscreen);
 223                 return NULL;
 224         }
 225
 226         if (tesla_class == 0) {
 227                 NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
 228                 nv50_screen_destroy(pscreen);
 229                 return NULL;
 230         }
 231
 232         ret = nouveau_grobj_alloc(chan, 0xbeef5097, tesla_class, &screen->tesla);
 233         if (ret) {
 234                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 235                 nv50_screen_destroy(pscreen);
 236                 return NULL;
 237         }
 238         BIND_RING(chan, screen->tesla, 3);
 239
 240         /* Sync notifier */
 241         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 242         if (ret) {
 243                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 244                 nv50_screen_destroy(pscreen);
 245                 return NULL;
 246         }
 247
 248         /* Static M2MF init */
 249         so = so_new(32, 0);
 250         so_method(so, screen->m2mf, 0x0180, 3);
 251         so_data  (so, screen->sync->handle);
 252         so_data  (so, chan->vram->handle);
 253         so_data  (so, chan->vram->handle);
 254         so_emit(chan, so);
 255         so_ref (NULL, &so);
 256
 257         /* Static 2D init */
 258         so = so_new(64, 0);
 259         so_method(so, screen->eng2d, NV50_2D_DMA_NOTIFY, 4);
 260         so_data  (so, screen->sync->handle);
 261         so_data  (so, chan->vram->handle);
 262         so_data  (so, chan->vram->handle);
 263         so_data  (so, chan->vram->handle);
 264         so_method(so, screen->eng2d, NV50_2D_OPERATION, 1);
 265         so_data  (so, NV50_2D_OPERATION_SRCCOPY);
 266         so_method(so, screen->eng2d, 0x0290, 1);
 267         so_data  (so, 0);
 268         so_method(so, screen->eng2d, 0x0888, 1);
 269         so_data  (so, 1);
 270         so_emit(chan, so);
 271         so_ref(NULL, &so);
 272
 273         /* Static tesla init */
 274         so = so_new(256, 20);
 275
 276         so_method(so, screen->tesla, 0x1558, 1);
 277         so_data  (so, 1);
 278         so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
 279         so_data  (so, screen->sync->handle);
 280         so_method(so, screen->tesla, NV50TCL_DMA_UNK0(0),
 281                                      NV50TCL_DMA_UNK0__SIZE);
 282         for (i = 0; i < NV50TCL_DMA_UNK0__SIZE; i++)
 283                 so_data(so, chan->vram->handle);
 284         so_method(so, screen->tesla, NV50TCL_DMA_UNK1(0),
 285                                      NV50TCL_DMA_UNK1__SIZE);
 286         for (i = 0; i < NV50TCL_DMA_UNK1__SIZE; i++)
 287                 so_data(so, chan->vram->handle);
 288         so_method(so, screen->tesla, 0x121c, 1);
 289         so_data  (so, 1);
 290
 291         so_method(so, screen->tesla, 0x13bc, 1);
 292         so_data  (so, 0x54);
 293         so_method(so, screen->tesla, 0x13ac, 1);
 294         so_data  (so, 1);
 295         so_method(so, screen->tesla, 0x16b8, 1);
 296         so_data  (so, 8);
 297
 298         /* constant buffers for immediates and VP/FP parameters */
 299         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 300                              &screen->constbuf_misc[0]);
 301         if (ret) {
 302                 nv50_screen_destroy(pscreen);
 303                 return NULL;
 304         }
 305
 306         for (i = 0; i < 2; i++) {
 307                 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 308                                      &screen->constbuf_parm[i]);
 309                 if (ret) {
 310                         nv50_screen_destroy(pscreen);
 311                         return NULL;
 312                 }
 313         }
 314
 315         if (nouveau_resource_init(&screen->immd_heap[0], 0, 128) ||
 316                 nouveau_resource_init(&screen->parm_heap[0], 0, 128) ||
 317                 nouveau_resource_init(&screen->parm_heap[1], 0, 128))
 318         {
 319                 NOUVEAU_ERR("Error initialising constant buffers.\n");
 320                 nv50_screen_destroy(pscreen);
 321                 return NULL;
 322         }
 323
 324         /*
 325         // map constant buffers:
 326         //  B = buffer ID (maybe more than 1 byte)
 327         //  N = CB index used in shader instruction
 328         //  P = program type (0 = VP, 2 = GP, 3 = FP)
 329         so_method(so, screen->tesla, 0x1694, 1);
 330         so_data  (so, 0x000BBNP1);
 331         */
 332
 333         so_method(so, screen->tesla, 0x1280, 3);
 334         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 335                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 336         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 337                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 338         so_data  (so, (NV50_CB_PMISC << 16) | 0x00000800);
 339         so_method(so, screen->tesla, 0x1694, 1);
 340         so_data  (so, 0x00000001 | (NV50_CB_PMISC << 12));
 341         so_method(so, screen->tesla, 0x1694, 1);
 342         so_data  (so, 0x00000031 | (NV50_CB_PMISC << 12));
 343
 344         so_method(so, screen->tesla, 0x1280, 3);
 345         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 346                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 347         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 348                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 349         so_data  (so, (NV50_CB_PVP << 16) | 0x00000800);
 350         so_method(so, screen->tesla, 0x1694, 1);
 351         so_data  (so, 0x00000101 | (NV50_CB_PVP << 12));
 352
 353         so_method(so, screen->tesla, 0x1280, 3);
 354         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 355                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 356         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 357                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 358         so_data  (so, (NV50_CB_PFP << 16) | 0x00000800);
 359         so_method(so, screen->tesla, 0x1694, 1);
 360         so_data  (so, 0x00000131 | (NV50_CB_PFP << 12));
 361
 362         /* Texture sampler/image unit setup - we abuse the constant buffer
 363          * upload mechanism for the moment to upload data to the tex config
 364          * blocks.  At some point we *may* want to go the NVIDIA way of doing
 365          * things?
 366          */
 367         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tic);
 368         if (ret) {
 369                 nv50_screen_destroy(pscreen);
 370                 return NULL;
 371         }
 372
 373         so_method(so, screen->tesla, 0x1280, 3);
 374         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 375                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 376         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 377                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 378         so_data  (so, (NV50_CB_TIC << 16) | 0x0800);
 379         so_method(so, screen->tesla, 0x1574, 3);
 380         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 381                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 382         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 383                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 384         so_data  (so, 0x00000800);
 385
 386         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tsc);
 387         if (ret) {
 388                 nv50_screen_destroy(pscreen);
 389                 return NULL;
 390         }
 391
 392         so_method(so, screen->tesla, 0x1280, 3);
 393         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 394                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 395         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 396                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 397         so_data  (so, (NV50_CB_TSC << 16) | 0x0800);
 398         so_method(so, screen->tesla, 0x155c, 3);
 399         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 400                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 401         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 402                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 403         so_data  (so, 0x00000800);
 404
 405
 406         /* Vertex array limits - max them out */
 407         for (i = 0; i < 16; i++) {
 408                 so_method(so, screen->tesla, 0x1080 + (i * 8), 2);
 409                 so_data  (so, 0x000000ff);
 410                 so_data  (so, 0xffffffff);
 411         }
 412
 413         so_method(so, screen->tesla, NV50TCL_DEPTH_RANGE_NEAR, 2);
 414         so_data  (so, fui(0.0));
 415         so_data  (so, fui(1.0));
 416
 417         so_method(so, screen->tesla, 0x1234, 1);
 418         so_data  (so, 1);
 419
 420         so_emit(chan, so);
 421         so_ref (so, &screen->static_init);
 422         so_ref (NULL, &so);
 423         nouveau_pushbuf_flush(chan, 0);
 424
 425         return pscreen;
 426 }
 427