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 "util/u_simple_screen.h"
  26
  27 #include "nv50_context.h"
  28 #include "nv50_screen.h"
  29
  30 #include "nouveau/nouveau_stateobj.h"
  31
  32 static boolean
  33 nv50_screen_is_format_supported(struct pipe_screen *pscreen,
  34                                 enum pipe_format format,
  35                                 enum pipe_texture_target target,
  36                                 unsigned tex_usage, unsigned geom_flags)
  37 {
  38         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
  39                 switch (format) {
  40                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  41                 case PIPE_FORMAT_R5G6B5_UNORM:
  42                 case PIPE_FORMAT_Z24S8_UNORM:
  43                 case PIPE_FORMAT_Z16_UNORM:
  44                         return TRUE;
  45                 default:
  46                         break;
  47                 }
  48         } else {
  49                 switch (format) {
  50                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  51                 case PIPE_FORMAT_A1R5G5B5_UNORM:
  52                 case PIPE_FORMAT_A4R4G4B4_UNORM:
  53                 case PIPE_FORMAT_R5G6B5_UNORM:
  54                 case PIPE_FORMAT_L8_UNORM:
  55                 case PIPE_FORMAT_A8_UNORM:
  56                 case PIPE_FORMAT_I8_UNORM:
  57                 case PIPE_FORMAT_A8L8_UNORM:
  58                 case PIPE_FORMAT_DXT1_RGB:
  59                 case PIPE_FORMAT_DXT1_RGBA:
  60                 case PIPE_FORMAT_DXT3_RGBA:
  61                 case PIPE_FORMAT_DXT5_RGBA:
  62                         return TRUE;
  63                 default:
  64                         break;
  65                 }
  66         }
  67
  68         return FALSE;
  69 }
  70
  71 static const char *
  72 nv50_screen_get_name(struct pipe_screen *pscreen)
  73 {
  74         struct nv50_screen *screen = nv50_screen(pscreen);
  75         struct nouveau_device *dev = screen->nvws->channel->device;
  76         static char buffer[128];
  77
  78         snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
  79         return buffer;
  80 }
  81
  82 static const char *
  83 nv50_screen_get_vendor(struct pipe_screen *pscreen)
  84 {
  85         return "nouveau";
  86 }
  87
  88 static int
  89 nv50_screen_get_param(struct pipe_screen *pscreen, int param)
  90 {
  91         switch (param) {
  92         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  93                 return 32;
  94         case PIPE_CAP_NPOT_TEXTURES:
  95                 return 1;
  96         case PIPE_CAP_TWO_SIDED_STENCIL:
  97                 return 1;
  98         case PIPE_CAP_GLSL:
  99                 return 0;
 100         case PIPE_CAP_S3TC:
 101                 return 1;
 102         case PIPE_CAP_ANISOTROPIC_FILTER:
 103                 return 1;
 104         case PIPE_CAP_POINT_SPRITE:
 105                 return 0;
 106         case PIPE_CAP_MAX_RENDER_TARGETS:
 107                 return 8;
 108         case PIPE_CAP_OCCLUSION_QUERY:
 109                 return 1;
 110         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 111                 return 1;
 112         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 113                 return 13;
 114         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 115                 return 10;
 116         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 117                 return 13;
 118         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 119         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 120                 return 1;
 121         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 122                 return 0;
 123         case NOUVEAU_CAP_HW_VTXBUF:
 124                 return 1;
 125         case NOUVEAU_CAP_HW_IDXBUF:
 126                 return 0;
 127         default:
 128                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 129                 return 0;
 130         }
 131 }
 132
 133 static float
 134 nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
 135 {
 136         switch (param) {
 137         case PIPE_CAP_MAX_LINE_WIDTH:
 138         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 139                 return 10.0;
 140         case PIPE_CAP_MAX_POINT_WIDTH:
 141         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 142                 return 64.0;
 143         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 144                 return 16.0;
 145         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 146                 return 4.0;
 147         default:
 148                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 149                 return 0.0;
 150         }
 151 }
 152
 153 static void
 154 nv50_screen_destroy(struct pipe_screen *pscreen)
 155 {
 156         FREE(pscreen);
 157 }
 158
 159 struct pipe_screen *
 160 nv50_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 161 {
 162         struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
 163         struct nouveau_stateobj *so;
 164         unsigned tesla_class = 0, ret;
 165         unsigned chipset = nvws->channel->device->chipset;
 166         int i;
 167
 168         if (!screen)
 169                 return NULL;
 170         screen->nvws = nvws;
 171
 172         /* DMA engine object */
 173         ret = nvws->grobj_alloc(nvws, 0x5039, &screen->m2mf);
 174         if (ret) {
 175                 NOUVEAU_ERR("Error creating M2MF object: %d\n", ret);
 176                 nv50_screen_destroy(&screen->pipe);
 177                 return NULL;
 178         }
 179
 180         /* 2D object */
 181         ret = nvws->grobj_alloc(nvws, NV50_2D, &screen->eng2d);
 182         if (ret) {
 183                 NOUVEAU_ERR("Error creating 2D object: %d\n", ret);
 184                 nv50_screen_destroy(&screen->pipe);
 185                 return NULL;
 186         }
 187
 188         /* 3D object */
 189         switch (chipset & 0xf0) {
 190         case 0x50:
 191                 tesla_class = 0x5097;
 192                 break;
 193         case 0x80:
 194         case 0x90:
 195                 tesla_class = 0x8297;
 196                 break;
 197         case 0xa0:
 198                 tesla_class = 0x8397;
 199                 break;
 200         default:
 201                 NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
 202                 nv50_screen_destroy(&screen->pipe);
 203                 return NULL;
 204         }
 205
 206         if (tesla_class == 0) {
 207                 NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
 208                 nv50_screen_destroy(&screen->pipe);
 209                 return NULL;
 210         }
 211
 212         ret = nvws->grobj_alloc(nvws, tesla_class, &screen->tesla);
 213         if (ret) {
 214                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 215                 nv50_screen_destroy(&screen->pipe);
 216                 return NULL;
 217         }
 218
 219         /* Sync notifier */
 220         ret = nvws->notifier_alloc(nvws, 1, &screen->sync);
 221         if (ret) {
 222                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 223                 nv50_screen_destroy(&screen->pipe);
 224                 return NULL;
 225         }
 226
 227         /* Setup the pipe */
 228         screen->pipe.winsys = ws;
 229
 230         screen->pipe.destroy = nv50_screen_destroy;
 231
 232         screen->pipe.get_name = nv50_screen_get_name;
 233         screen->pipe.get_vendor = nv50_screen_get_vendor;
 234         screen->pipe.get_param = nv50_screen_get_param;
 235         screen->pipe.get_paramf = nv50_screen_get_paramf;
 236
 237         screen->pipe.is_format_supported = nv50_screen_is_format_supported;
 238
 239         nv50_screen_init_miptree_functions(&screen->pipe);
 240         nv50_transfer_init_screen_functions(&screen->pipe);
 241         u_simple_screen_init(&screen->pipe);
 242
 243         /* Static M2MF init */
 244         so = so_new(32, 0);
 245         so_method(so, screen->m2mf, 0x0180, 3);
 246         so_data  (so, screen->sync->handle);
 247         so_data  (so, screen->nvws->channel->vram->handle);
 248         so_data  (so, screen->nvws->channel->vram->handle);
 249         so_emit(nvws, so);
 250         so_ref (NULL, &so);
 251
 252         /* Static 2D init */
 253         so = so_new(64, 0);
 254         so_method(so, screen->eng2d, NV50_2D_DMA_NOTIFY, 4);
 255         so_data  (so, screen->sync->handle);
 256         so_data  (so, screen->nvws->channel->vram->handle);
 257         so_data  (so, screen->nvws->channel->vram->handle);
 258         so_data  (so, screen->nvws->channel->vram->handle);
 259         so_method(so, screen->eng2d, NV50_2D_OPERATION, 1);
 260         so_data  (so, NV50_2D_OPERATION_SRCCOPY);
 261         so_method(so, screen->eng2d, 0x0290, 1);
 262         so_data  (so, 0);
 263         so_method(so, screen->eng2d, 0x0888, 1);
 264         so_data  (so, 1);
 265         so_emit(nvws, so);
 266         so_ref(NULL, &so);
 267
 268         /* Static tesla init */
 269         so = so_new(256, 20);
 270
 271         so_method(so, screen->tesla, 0x1558, 1);
 272         so_data  (so, 1);
 273         so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
 274         so_data  (so, screen->sync->handle);
 275         so_method(so, screen->tesla, NV50TCL_DMA_UNK0(0),
 276                                      NV50TCL_DMA_UNK0__SIZE);
 277         for (i = 0; i < NV50TCL_DMA_UNK0__SIZE; i++)
 278                 so_data(so, nvws->channel->vram->handle);
 279         so_method(so, screen->tesla, NV50TCL_DMA_UNK1(0),
 280                                      NV50TCL_DMA_UNK1__SIZE);
 281         for (i = 0; i < NV50TCL_DMA_UNK1__SIZE; i++)
 282                 so_data(so, nvws->channel->vram->handle);
 283         so_method(so, screen->tesla, 0x121c, 1);
 284         so_data  (so, 1);
 285
 286         so_method(so, screen->tesla, 0x13bc, 1);
 287         so_data  (so, 0x54);
 288         so_method(so, screen->tesla, 0x13ac, 1);
 289         so_data  (so, 1);
 290         so_method(so, screen->tesla, 0x16b8, 1);
 291         so_data  (so, 8);
 292
 293         /* constant buffers for immediates and VP/FP parameters */
 294         screen->constbuf_misc[0] =
 295                 screen->pipe.buffer_create(&screen->pipe, 0, 0, 128 * 4 * 4);
 296
 297         screen->constbuf_parm[0] =
 298                 screen->pipe.buffer_create(&screen->pipe, 0, 0, 128 * 4 * 4);
 299
 300         screen->constbuf_parm[1] =
 301                 screen->pipe.buffer_create(&screen->pipe, 0, 0, 128 * 4 * 4);
 302
 303         if (nvws->res_init(&screen->immd_heap[0], 0, 128) ||
 304                 nvws->res_init(&screen->parm_heap[0], 0, 128) ||
 305                 nvws->res_init(&screen->parm_heap[1], 0, 128))
 306         {
 307                 NOUVEAU_ERR("Error initialising constant buffers.\n");
 308                 nv50_screen_destroy(&screen->pipe);
 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         screen->tic = screen->pipe.buffer_create(&screen->pipe, 0, 0, 32 * 8 * 4);
 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         screen->tsc = screen->pipe.buffer_create(&screen->pipe, 0, 0, 32 * 8 * 4);
 370         so_method(so, screen->tesla, 0x1280, 3);
 371         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 372                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 373         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 374                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 375         so_data  (so, (NV50_CB_TSC << 16) | 0x0800);
 376         so_method(so, screen->tesla, 0x155c, 3);
 377         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 378                   NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0);
 379         so_reloc (so, screen->tsc, 0, NOUVEAU_BO_VRAM |
 380                   NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0);
 381         so_data  (so, 0x00000800);
 382
 383
 384         /* Vertex array limits - max them out */
 385         for (i = 0; i < 16; i++) {
 386                 so_method(so, screen->tesla, 0x1080 + (i * 8), 2);
 387                 so_data  (so, 0x000000ff);
 388                 so_data  (so, 0xffffffff);
 389         }
 390
 391         so_method(so, screen->tesla, NV50TCL_DEPTH_RANGE_NEAR, 2);
 392         so_data  (so, fui(0.0));
 393         so_data  (so, fui(1.0));
 394
 395         so_method(so, screen->tesla, 0x1234, 1);
 396         so_data  (so, 1);
 397         so_method(so, screen->tesla, 0x1458, 1);
 398         so_data  (so, 1);
 399
 400         so_emit(nvws, so);
 401         so_ref (so, &screen->static_init);
 402         so_ref (NULL, &so);
 403         nouveau_pushbuf_flush(nvws->channel, 0);
 404
 405         return &screen->pipe;
 406 }
 407