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_screen_fini(&screen->base);
 140         FREE(screen);
 141 }
 142
 143 struct pipe_screen *
 144 nv50_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 145 {
 146         struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
 147         struct nouveau_device *dev = nvws->channel->device;
 148         struct pipe_screen *pscreen;
 149         struct nouveau_stateobj *so;
 150         unsigned chipset = dev->chipset;
 151         unsigned tesla_class = 0;
 152         int ret, i;
 153
 154         if (!screen)
 155                 return NULL;
 156         pscreen = &screen->base.base;
 157
 158         ret = nouveau_screen_init(&screen->base, nvws->channel->device);
 159         if (ret) {
 160                 nv50_screen_destroy(pscreen);
 161                 return NULL;
 162         }
 163
 164         /* Setup the pipe */
 165         screen->nvws = nvws;
 166
 167         pscreen->winsys = ws;
 168         pscreen->destroy = nv50_screen_destroy;
 169         pscreen->get_param = nv50_screen_get_param;
 170         pscreen->get_paramf = nv50_screen_get_paramf;
 171         pscreen->is_format_supported = nv50_screen_is_format_supported;
 172
 173         nv50_screen_init_miptree_functions(pscreen);
 174         nv50_transfer_init_screen_functions(pscreen);
 175
 176         /* DMA engine object */
 177         ret = nvws->grobj_alloc(nvws, 0x5039, &screen->m2mf);
 178         if (ret) {
 179                 NOUVEAU_ERR("Error creating M2MF object: %d\n", ret);
 180                 nv50_screen_destroy(pscreen);
 181                 return NULL;
 182         }
 183
 184         /* 2D object */
 185         ret = nvws->grobj_alloc(nvws, NV50_2D, &screen->eng2d);
 186         if (ret) {
 187                 NOUVEAU_ERR("Error creating 2D object: %d\n", ret);
 188                 nv50_screen_destroy(pscreen);
 189                 return NULL;
 190         }
 191
 192         /* 3D object */
 193         switch (chipset & 0xf0) {
 194         case 0x50:
 195                 tesla_class = 0x5097;
 196                 break;
 197         case 0x80:
 198         case 0x90:
 199                 tesla_class = 0x8297;
 200                 break;
 201         case 0xa0:
 202                 tesla_class = 0x8397;
 203                 break;
 204         default:
 205                 NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
 206                 nv50_screen_destroy(pscreen);
 207                 return NULL;
 208         }
 209
 210         if (tesla_class == 0) {
 211                 NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
 212                 nv50_screen_destroy(pscreen);
 213                 return NULL;
 214         }
 215
 216         ret = nvws->grobj_alloc(nvws, tesla_class, &screen->tesla);
 217         if (ret) {
 218                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 219                 nv50_screen_destroy(pscreen);
 220                 return NULL;
 221         }
 222
 223         /* Sync notifier */
 224         ret = nvws->notifier_alloc(nvws, 1, &screen->sync);
 225         if (ret) {
 226                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 227                 nv50_screen_destroy(pscreen);
 228                 return NULL;
 229         }
 230
 231         /* Static M2MF init */
 232         so = so_new(32, 0);
 233         so_method(so, screen->m2mf, 0x0180, 3);
 234         so_data  (so, screen->sync->handle);
 235         so_data  (so, screen->nvws->channel->vram->handle);
 236         so_data  (so, screen->nvws->channel->vram->handle);
 237         so_emit(nvws, so);
 238         so_ref (NULL, &so);
 239
 240         /* Static 2D init */
 241         so = so_new(64, 0);
 242         so_method(so, screen->eng2d, NV50_2D_DMA_NOTIFY, 4);
 243         so_data  (so, screen->sync->handle);
 244         so_data  (so, screen->nvws->channel->vram->handle);
 245         so_data  (so, screen->nvws->channel->vram->handle);
 246         so_data  (so, screen->nvws->channel->vram->handle);
 247         so_method(so, screen->eng2d, NV50_2D_OPERATION, 1);
 248         so_data  (so, NV50_2D_OPERATION_SRCCOPY);
 249         so_method(so, screen->eng2d, 0x0290, 1);
 250         so_data  (so, 0);
 251         so_method(so, screen->eng2d, 0x0888, 1);
 252         so_data  (so, 1);
 253         so_emit(nvws, so);
 254         so_ref(NULL, &so);
 255
 256         /* Static tesla init */
 257         so = so_new(256, 20);
 258
 259         so_method(so, screen->tesla, 0x1558, 1);
 260         so_data  (so, 1);
 261         so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
 262         so_data  (so, screen->sync->handle);
 263         so_method(so, screen->tesla, NV50TCL_DMA_UNK0(0),
 264                                      NV50TCL_DMA_UNK0__SIZE);
 265         for (i = 0; i < NV50TCL_DMA_UNK0__SIZE; i++)
 266                 so_data(so, nvws->channel->vram->handle);
 267         so_method(so, screen->tesla, NV50TCL_DMA_UNK1(0),
 268                                      NV50TCL_DMA_UNK1__SIZE);
 269         for (i = 0; i < NV50TCL_DMA_UNK1__SIZE; i++)
 270                 so_data(so, nvws->channel->vram->handle);
 271         so_method(so, screen->tesla, 0x121c, 1);
 272         so_data  (so, 1);
 273
 274         so_method(so, screen->tesla, 0x13bc, 1);
 275         so_data  (so, 0x54);
 276         so_method(so, screen->tesla, 0x13ac, 1);
 277         so_data  (so, 1);
 278         so_method(so, screen->tesla, 0x16b8, 1);
 279         so_data  (so, 8);
 280
 281         /* constant buffers for immediates and VP/FP parameters */
 282         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 283                              &screen->constbuf_misc[0]);
 284         if (ret) {
 285                 nv50_screen_destroy(pscreen);
 286                 return NULL;
 287         }
 288
 289         for (i = 0; i < 2; i++) {
 290                 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 128*4*4,
 291                                      &screen->constbuf_parm[i]);
 292                 if (ret) {
 293                         nv50_screen_destroy(pscreen);
 294                         return NULL;
 295                 }
 296         }
 297
 298         if (nvws->res_init(&screen->immd_heap[0], 0, 128) ||
 299                 nvws->res_init(&screen->parm_heap[0], 0, 128) ||
 300                 nvws->res_init(&screen->parm_heap[1], 0, 128))
 301         {
 302                 NOUVEAU_ERR("Error initialising constant buffers.\n");
 303                 nv50_screen_destroy(pscreen);
 304                 return NULL;
 305         }
 306
 307         /*
 308         // map constant buffers:
 309         //  B = buffer ID (maybe more than 1 byte)
 310         //  N = CB index used in shader instruction
 311         //  P = program type (0 = VP, 2 = GP, 3 = FP)
 312         so_method(so, screen->tesla, 0x1694, 1);
 313         so_data  (so, 0x000BBNP1);
 314         */
 315
 316         so_method(so, screen->tesla, 0x1280, 3);
 317         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 318                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 319         so_reloc (so, screen->constbuf_misc[0], 0, NOUVEAU_BO_VRAM |
 320                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 321         so_data  (so, (NV50_CB_PMISC << 16) | 0x00000800);
 322         so_method(so, screen->tesla, 0x1694, 1);
 323         so_data  (so, 0x00000001 | (NV50_CB_PMISC << 12));
 324         so_method(so, screen->tesla, 0x1694, 1);
 325         so_data  (so, 0x00000031 | (NV50_CB_PMISC << 12));
 326
 327         so_method(so, screen->tesla, 0x1280, 3);
 328         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 329                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 330         so_reloc (so, screen->constbuf_parm[0], 0, NOUVEAU_BO_VRAM |
 331                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 332         so_data  (so, (NV50_CB_PVP << 16) | 0x00000800);
 333         so_method(so, screen->tesla, 0x1694, 1);
 334         so_data  (so, 0x00000101 | (NV50_CB_PVP << 12));
 335
 336         so_method(so, screen->tesla, 0x1280, 3);
 337         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 338                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 339         so_reloc (so, screen->constbuf_parm[1], 0, NOUVEAU_BO_VRAM |
 340                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 341         so_data  (so, (NV50_CB_PFP << 16) | 0x00000800);
 342         so_method(so, screen->tesla, 0x1694, 1);
 343         so_data  (so, 0x00000131 | (NV50_CB_PFP << 12));
 344
 345         /* Texture sampler/image unit setup - we abuse the constant buffer
 346          * upload mechanism for the moment to upload data to the tex config
 347          * blocks.  At some point we *may* want to go the NVIDIA way of doing
 348          * things?
 349          */
 350         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tic);
 351         if (ret) {
 352                 nv50_screen_destroy(pscreen);
 353                 return NULL;
 354         }
 355
 356         so_method(so, screen->tesla, 0x1280, 3);
 357         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 358                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 359         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 360                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 361         so_data  (so, (NV50_CB_TIC << 16) | 0x0800);
 362         so_method(so, screen->tesla, 0x1574, 3);
 363         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 364                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 365         so_reloc (so, screen->tic, 0, NOUVEAU_BO_VRAM |
 366                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 367         so_data  (so, 0x00000800);
 368
 369         ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 0, 32*8*4, &screen->tsc);
 370         if (ret) {
 371                 nv50_screen_destroy(pscreen);
 372                 return NULL;
 373         }
 374
 375         so_method(so, screen->tesla, 0x1280, 3);
 376         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 377                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 378         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 379                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 380         so_data  (so, (NV50_CB_TSC << 16) | 0x0800);
 381         so_method(so, screen->tesla, 0x155c, 3);
 382         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 383                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 384         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 385                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 386         so_data  (so, 0x00000800);
 387
 388
 389         /* Vertex array limits - max them out */
 390         for (i = 0; i < 16; i++) {
 391                 so_method(so, screen->tesla, 0x1080 + (i * 8), 2);
 392                 so_data  (so, 0x000000ff);
 393                 so_data  (so, 0xffffffff);
 394         }
 395
 396         so_method(so, screen->tesla, NV50TCL_DEPTH_RANGE_NEAR, 2);
 397         so_data  (so, fui(0.0));
 398         so_data  (so, fui(1.0));
 399
 400         so_method(so, screen->tesla, 0x1234, 1);
 401         so_data  (so, 1);
 402         so_method(so, screen->tesla, 0x1458, 1);
 403         so_data  (so, 1);
 404
 405         so_emit(nvws, so);
 406         so_ref (so, &screen->static_init);
 407         so_ref (NULL, &so);
 408         nouveau_pushbuf_flush(nvws->channel, 0);
 409
 410         return pscreen;
 411 }
 412