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_Z32_FLOAT:
  48                 case PIPE_FORMAT_Z24S8_UNORM:
  49                 case PIPE_FORMAT_X8Z24_UNORM:
  50                 case PIPE_FORMAT_S8Z24_UNORM:
  51                         return TRUE;
  52                 default:
  53                         break;
  54                 }
  55         } else {
  56                 switch (format) {
  57                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  58                 case PIPE_FORMAT_A1R5G5B5_UNORM:
  59                 case PIPE_FORMAT_A4R4G4B4_UNORM:
  60                 case PIPE_FORMAT_R5G6B5_UNORM:
  61                 case PIPE_FORMAT_L8_UNORM:
  62                 case PIPE_FORMAT_A8_UNORM:
  63                 case PIPE_FORMAT_I8_UNORM:
  64                 case PIPE_FORMAT_A8L8_UNORM:
  65                 case PIPE_FORMAT_DXT1_RGB:
  66                 case PIPE_FORMAT_DXT1_RGBA:
  67                 case PIPE_FORMAT_DXT3_RGBA:
  68                 case PIPE_FORMAT_DXT5_RGBA:
  69                         return TRUE;
  70                 default:
  71                         break;
  72                 }
  73         }
  74
  75         return FALSE;
  76 }
  77
  78 static int
  79 nv50_screen_get_param(struct pipe_screen *pscreen, int param)
  80 {
  81         switch (param) {
  82         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  83                 return 32;
  84         case PIPE_CAP_NPOT_TEXTURES:
  85                 return 1;
  86         case PIPE_CAP_TWO_SIDED_STENCIL:
  87                 return 1;
  88         case PIPE_CAP_GLSL:
  89                 return 0;
  90         case PIPE_CAP_ANISOTROPIC_FILTER:
  91                 return 1;
  92         case PIPE_CAP_POINT_SPRITE:
  93                 return 1;
  94         case PIPE_CAP_MAX_RENDER_TARGETS:
  95                 return 8;
  96         case PIPE_CAP_OCCLUSION_QUERY:
  97                 return 1;
  98         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  99                 return 1;
 100         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 101                 return 13;
 102         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 103                 return 10;
 104         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 105                 return 13;
 106         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 107         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 108                 return 1;
 109         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 110                 return 0;
 111         case PIPE_CAP_TGSI_CONT_SUPPORTED:
 112                 return 0;
 113         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 114                 return 1;
 115         case NOUVEAU_CAP_HW_VTXBUF:
 116                 return 1;
 117         case NOUVEAU_CAP_HW_IDXBUF:
 118                 return 0;
 119         default:
 120                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 121                 return 0;
 122         }
 123 }
 124
 125 static float
 126 nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
 127 {
 128         switch (param) {
 129         case PIPE_CAP_MAX_LINE_WIDTH:
 130         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 131                 return 10.0;
 132         case PIPE_CAP_MAX_POINT_WIDTH:
 133         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 134                 return 64.0;
 135         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 136                 return 16.0;
 137         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 138                 return 4.0;
 139         default:
 140                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 141                 return 0.0;
 142         }
 143 }
 144
 145 static void
 146 nv50_screen_destroy(struct pipe_screen *pscreen)
 147 {
 148         struct nv50_screen *screen = nv50_screen(pscreen);
 149
 150         nouveau_notifier_free(&screen->sync);
 151         nouveau_grobj_free(&screen->tesla);
 152         nouveau_grobj_free(&screen->eng2d);
 153         nouveau_grobj_free(&screen->m2mf);
 154         nouveau_screen_fini(&screen->base);
 155         FREE(screen);
 156 }
 157
 158 struct pipe_screen *
 159 nv50_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 160 {
 161         struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
 162         struct nouveau_channel *chan;
 163         struct pipe_screen *pscreen;
 164         struct nouveau_stateobj *so;
 165         unsigned chipset = dev->chipset;
 166         unsigned tesla_class = 0;
 167         int ret, i;
 168
 169         if (!screen)
 170                 return NULL;
 171         pscreen = &screen->base.base;
 172
 173         ret = nouveau_screen_init(&screen->base, dev);
 174         if (ret) {
 175                 nv50_screen_destroy(pscreen);
 176                 return NULL;
 177         }
 178         chan = screen->base.channel;
 179
 180         pscreen->winsys = ws;
 181         pscreen->destroy = nv50_screen_destroy;
 182         pscreen->get_param = nv50_screen_get_param;
 183         pscreen->get_paramf = nv50_screen_get_paramf;
 184         pscreen->is_format_supported = nv50_screen_is_format_supported;
 185
 186         nv50_screen_init_miptree_functions(pscreen);
 187         nv50_transfer_init_screen_functions(pscreen);
 188
 189         /* DMA engine object */
 190         ret = nouveau_grobj_alloc(chan, 0xbeef5039,
 191                 NV50_MEMORY_TO_MEMORY_FORMAT, &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, NV50_2D, &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 = NV50TCL;
 212                 break;
 213         case 0x80:
 214         case 0x90:
 215                 /* this stupid name should be corrected. */
 216                 tesla_class = NV54TCL;
 217                 break;
 218         case 0xa0:
 219                 tesla_class = NVA0TCL;
 220                 break;
 221         default:
 222                 NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
 223                 nv50_screen_destroy(pscreen);
 224                 return NULL;
 225         }
 226
 227         if (tesla_class == 0) {
 228                 NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
 229                 nv50_screen_destroy(pscreen);
 230                 return NULL;
 231         }
 232
 233         ret = nouveau_grobj_alloc(chan, 0xbeef5097, tesla_class,
 234                 &screen->tesla);
 235         if (ret) {
 236                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 237                 nv50_screen_destroy(pscreen);
 238                 return NULL;
 239         }
 240         BIND_RING(chan, screen->tesla, 3);
 241
 242         /* Sync notifier */
 243         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 244         if (ret) {
 245                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 246                 nv50_screen_destroy(pscreen);
 247                 return NULL;
 248         }
 249
 250         /* Static M2MF init */
 251         so = so_new(32, 0);
 252         so_method(so, screen->m2mf, NV04_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3);
 253         so_data  (so, screen->sync->handle);
 254         so_data  (so, chan->vram->handle);
 255         so_data  (so, chan->vram->handle);
 256         so_emit(chan, so);
 257         so_ref (NULL, &so);
 258
 259         /* Static 2D init */
 260         so = so_new(64, 0);
 261         so_method(so, screen->eng2d, NV50_2D_DMA_NOTIFY, 4);
 262         so_data  (so, screen->sync->handle);
 263         so_data  (so, chan->vram->handle);
 264         so_data  (so, chan->vram->handle);
 265         so_data  (so, chan->vram->handle);
 266         so_method(so, screen->eng2d, NV50_2D_OPERATION, 1);
 267         so_data  (so, NV50_2D_OPERATION_SRCCOPY);
 268         so_method(so, screen->eng2d, 0x0290, 1);
 269         so_data  (so, 0);
 270         so_method(so, screen->eng2d, 0x0888, 1);
 271         so_data  (so, 1);
 272         so_emit(chan, so);
 273         so_ref(NULL, &so);
 274
 275         /* Static tesla init */
 276         so = so_new(256, 20);
 277
 278         so_method(so, screen->tesla, 0x1558, 1);
 279         so_data  (so, 1);
 280         so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
 281         so_data  (so, screen->sync->handle);
 282         so_method(so, screen->tesla, NV50TCL_DMA_UNK0(0),
 283                                      NV50TCL_DMA_UNK0__SIZE);
 284         for (i = 0; i < NV50TCL_DMA_UNK0__SIZE; i++)
 285                 so_data(so, chan->vram->handle);
 286         so_method(so, screen->tesla, NV50TCL_DMA_UNK1(0),
 287                                      NV50TCL_DMA_UNK1__SIZE);
 288         for (i = 0; i < NV50TCL_DMA_UNK1__SIZE; i++)
 289                 so_data(so, chan->vram->handle);
 290         so_method(so, screen->tesla, 0x121c, 1);
 291         so_data  (so, 1);
 292
 293         so_method(so, screen->tesla, 0x13bc, 1);
 294         so_data  (so, 0x54);
 295         /* origin is top left (set to 1 for bottom left) */
 296         so_method(so, screen->tesla, 0x13ac, 1);
 297         so_data  (so, 0);
 298         so_method(so, screen->tesla, NV50TCL_VP_REG_ALLOC_RESULT, 1);
 299         so_data  (so, 8);
 300
 301         /* constant buffers for immediates and VP/FP parameters */
 302         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 303                              &screen->constbuf_misc[0]);
 304         if (ret) {
 305                 nv50_screen_destroy(pscreen);
 306                 return NULL;
 307         }
 308
 309         for (i = 0; i < 2; i++) {
 310                 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 311                                      &screen->constbuf_parm[i]);
 312                 if (ret) {
 313                         nv50_screen_destroy(pscreen);
 314                         return NULL;
 315                 }
 316         }
 317
 318         if (nouveau_resource_init(&screen->immd_heap[0], 0, 128) ||
 319                 nouveau_resource_init(&screen->parm_heap[0], 0, 128) ||
 320                 nouveau_resource_init(&screen->parm_heap[1], 0, 128))
 321         {
 322                 NOUVEAU_ERR("Error initialising constant buffers.\n");
 323                 nv50_screen_destroy(pscreen);
 324                 return NULL;
 325         }
 326
 327         /*
 328         // map constant buffers:
 329         //  B = buffer ID (maybe more than 1 byte)
 330         //  N = CB index used in shader instruction
 331         //  P = program type (0 = VP, 2 = GP, 3 = FP)
 332         so_method(so, screen->tesla, 0x1694, 1);
 333         so_data  (so, 0x000BBNP1);
 334         */
 335
 336         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 337         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 338                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 339         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 340                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 341         so_data  (so, (NV50_CB_PMISC << 16) | 0x00000800);
 342         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 343         so_data  (so, 0x00000001 | (NV50_CB_PMISC << 12));
 344         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 345         so_data  (so, 0x00000031 | (NV50_CB_PMISC << 12));
 346
 347         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 348         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 349                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 350         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 351                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 352         so_data  (so, (NV50_CB_PVP << 16) | 0x00000800);
 353         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 354         so_data  (so, 0x00000101 | (NV50_CB_PVP << 12));
 355
 356         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 357         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 358                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 359         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 360                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 361         so_data  (so, (NV50_CB_PFP << 16) | 0x00000800);
 362         so_method(so, screen->tesla, NV50TCL_SET_PROGRAM_CB, 1);
 363         so_data  (so, 0x00000131 | (NV50_CB_PFP << 12));
 364
 365         /* Texture sampler/image unit setup - we abuse the constant buffer
 366          * upload mechanism for the moment to upload data to the tex config
 367          * blocks.  At some point we *may* want to go the NVIDIA way of doing
 368          * things?
 369          */
 370         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tic);
 371         if (ret) {
 372                 nv50_screen_destroy(pscreen);
 373                 return NULL;
 374         }
 375
 376         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 377         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 378                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 379         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 380                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 381         so_data  (so, (NV50_CB_TIC << 16) | 0x0800);
 382         so_method(so, screen->tesla, NV50TCL_TIC_ADDRESS_HIGH, 3);
 383         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 384                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 385         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 386                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 387         so_data  (so, 0x00000800);
 388
 389         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tsc);
 390         if (ret) {
 391                 nv50_screen_destroy(pscreen);
 392                 return NULL;
 393         }
 394
 395         so_method(so, screen->tesla, NV50TCL_CB_DEF_ADDRESS_HIGH, 3);
 396         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 397                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 398         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 399                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 400         so_data  (so, (NV50_CB_TSC << 16) | 0x0800);
 401         so_method(so, screen->tesla, NV50TCL_TSC_ADDRESS_HIGH, 3);
 402         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 403                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 404         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 405                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 406         so_data  (so, 0x00000800);
 407
 408
 409         /* Vertex array limits - max them out */
 410         for (i = 0; i < 16; i++) {
 411                 so_method(so, screen->tesla, NV50TCL_UNK1080_OFFSET_HIGH(i), 2);
 412                 so_data  (so, 0x000000ff);
 413                 so_data  (so, 0xffffffff);
 414         }
 415
 416         so_method(so, screen->tesla, NV50TCL_DEPTH_RANGE_NEAR, 2);
 417         so_data  (so, fui(0.0));
 418         so_data  (so, fui(1.0));
 419
 420         so_method(so, screen->tesla, 0x1234, 1);
 421         so_data  (so, 1);
 422
 423         /* activate first scissor rectangle */
 424         so_method(so, screen->tesla, NV50TCL_SCISSOR_ENABLE, 1);
 425         so_data  (so, 1);
 426
 427         so_emit(chan, so);
 428         so_ref (so, &screen->static_init);
 429         so_ref (NULL, &so);
 430         nouveau_pushbuf_flush(chan, 0);
 431
 432         return pscreen;
 433 }
 434