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