src/gallium/drivers/nv30/nv30_screen.c

   1 #include "pipe/p_screen.h"
   2
   3 #include "nv30_context.h"
   4 #include "nv30_screen.h"
   5
   6 #define NV30TCL_CHIPSET_3X_MASK 0x00000003
   7 #define NV34TCL_CHIPSET_3X_MASK 0x00000010
   8 #define NV35TCL_CHIPSET_3X_MASK 0x000001e0
   9
  10 static const char *
  11 nv30_screen_get_name(struct pipe_screen *pscreen)
  12 {
  13         struct nv30_screen *screen = nv30_screen(pscreen);
  14         struct nouveau_device *dev = screen->nvws->channel->device;
  15         static char buffer[128];
  16
  17         snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
  18         return buffer;
  19 }
  20
  21 static const char *
  22 nv30_screen_get_vendor(struct pipe_screen *pscreen)
  23 {
  24         return "nouveau";
  25 }
  26
  27 static int
  28 nv30_screen_get_param(struct pipe_screen *pscreen, int param)
  29 {
  30         switch (param) {
  31         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  32                 return 16;
  33         case PIPE_CAP_NPOT_TEXTURES:
  34                 return 0;
  35         case PIPE_CAP_TWO_SIDED_STENCIL:
  36                 return 1;
  37         case PIPE_CAP_GLSL:
  38                 return 0;
  39         case PIPE_CAP_S3TC:
  40                 return 0;
  41         case PIPE_CAP_ANISOTROPIC_FILTER:
  42                 return 1;
  43         case PIPE_CAP_POINT_SPRITE:
  44                 return 1;
  45         case PIPE_CAP_MAX_RENDER_TARGETS:
  46                 return 2;
  47         case PIPE_CAP_OCCLUSION_QUERY:
  48                 return 1;
  49         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  50                 return 1;
  51         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  52                 return 13;
  53         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  54                 return 10;
  55         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  56                 return 13;
  57         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  58                 return 0;
  59         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  60                 return 1;
  61         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  62                 return 0;
  63         case NOUVEAU_CAP_HW_VTXBUF:
  64         case NOUVEAU_CAP_HW_IDXBUF:
  65                 return 1;
  66         default:
  67                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  68                 return 0;
  69         }
  70 }
  71
  72 static float
  73 nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
  74 {
  75         switch (param) {
  76         case PIPE_CAP_MAX_LINE_WIDTH:
  77         case PIPE_CAP_MAX_LINE_WIDTH_AA:
  78                 return 10.0;
  79         case PIPE_CAP_MAX_POINT_WIDTH:
  80         case PIPE_CAP_MAX_POINT_WIDTH_AA:
  81                 return 64.0;
  82         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
  83                 return 8.0;
  84         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
  85                 return 4.0;
  86         default:
  87                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  88                 return 0.0;
  89         }
  90 }
  91
  92 static boolean
  93 nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
  94                                      enum pipe_format format,
  95                                      enum pipe_texture_target target,
  96                                      unsigned tex_usage, unsigned geom_flags)
  97 {
  98         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
  99                 switch (format) {
 100                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 101                 case PIPE_FORMAT_R5G6B5_UNORM:
 102                 case PIPE_FORMAT_Z24S8_UNORM:
 103                 case PIPE_FORMAT_Z16_UNORM:
 104                         return TRUE;
 105                 default:
 106                         break;
 107                 }
 108         } else {
 109                 switch (format) {
 110                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 111                 case PIPE_FORMAT_A1R5G5B5_UNORM:
 112                 case PIPE_FORMAT_A4R4G4B4_UNORM:
 113                 case PIPE_FORMAT_R5G6B5_UNORM:
 114                 case PIPE_FORMAT_L8_UNORM:
 115                 case PIPE_FORMAT_A8_UNORM:
 116                 case PIPE_FORMAT_I8_UNORM:
 117                 case PIPE_FORMAT_A8L8_UNORM:
 118                 case PIPE_FORMAT_Z16_UNORM:
 119                 case PIPE_FORMAT_Z24S8_UNORM:
 120                         return TRUE;
 121                 default:
 122                         break;
 123                 }
 124         }
 125
 126         return FALSE;
 127 }
 128
 129 static void *
 130 nv30_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 131                  unsigned flags )
 132 {
 133         struct pipe_winsys      *ws = screen->winsys;
 134         struct pipe_surface     *surface_to_map;
 135         void                    *map;
 136
 137         if (!(surface->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
 138                 struct nv30_miptree *mt = (struct nv30_miptree *)surface->texture;
 139
 140                 if (!mt->shadow_tex) {
 141                         unsigned old_tex_usage = surface->texture->tex_usage;
 142                         surface->texture->tex_usage = NOUVEAU_TEXTURE_USAGE_LINEAR;
 143                         mt->shadow_tex = screen->texture_create(screen, surface->texture);
 144                         surface->texture->tex_usage = old_tex_usage;
 145
 146                         assert(mt->shadow_tex->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR);
 147                         mt->shadow_surface = screen->get_tex_surface
 148                         (
 149                                 screen, mt->shadow_tex,
 150                                 surface->face, surface->level, surface->zslice,
 151                                 surface->usage
 152                         );
 153                 }
 154
 155                 surface_to_map = mt->shadow_surface;
 156         }
 157         else
 158                 surface_to_map = surface;
 159
 160         assert(surface_to_map);
 161
 162         map = ws->buffer_map(ws, surface_to_map->buffer, flags);
 163         if (!map)
 164                 return NULL;
 165
 166         return map + surface_to_map->offset;
 167 }
 168
 169 static void
 170 nv30_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 171 {
 172         struct pipe_winsys      *ws = screen->winsys;
 173         struct pipe_surface     *surface_to_unmap;
 174
 175         /* TODO: Copy from shadow just before push buffer is flushed instead.
 176                  There are probably some programs that map/unmap excessively
 177                  before rendering. */
 178         if (!(surface->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
 179                 struct nv30_miptree *mt = (struct nv30_miptree *)surface->texture;
 180
 181                 assert(mt->shadow_tex);
 182
 183                 surface_to_unmap = mt->shadow_surface;
 184         }
 185         else
 186                 surface_to_unmap = surface;
 187
 188         assert(surface_to_unmap);
 189
 190         ws->buffer_unmap(ws, surface_to_unmap->buffer);
 191
 192         if (surface_to_unmap != surface) {
 193                 struct nv30_screen *nvscreen = nv30_screen(screen);
 194
 195                 nvscreen->nvws->surface_copy(nvscreen->nvws,
 196                                              surface, 0, 0,
 197                                              surface_to_unmap, 0, 0,
 198                                              surface->width, surface->height);
 199         }
 200 }
 201
 202 static void
 203 nv30_screen_destroy(struct pipe_screen *pscreen)
 204 {
 205         struct nv30_screen *screen = nv30_screen(pscreen);
 206         struct nouveau_winsys *nvws = screen->nvws;
 207
 208         nvws->res_free(&screen->vp_exec_heap);
 209         nvws->res_free(&screen->vp_data_heap);
 210         nvws->res_free(&screen->query_heap);
 211         nvws->notifier_free(&screen->query);
 212         nvws->notifier_free(&screen->sync);
 213         nvws->grobj_free(&screen->rankine);
 214
 215         FREE(pscreen);
 216 }
 217
 218 struct pipe_screen *
 219 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 220 {
 221         struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 222         struct nouveau_stateobj *so;
 223         unsigned rankine_class = 0;
 224         unsigned chipset = nvws->channel->device->chipset;
 225         int ret, i;
 226
 227         if (!screen)
 228                 return NULL;
 229         screen->nvws = nvws;
 230
 231         /* 3D object */
 232         switch (chipset & 0xf0) {
 233         case 0x30:
 234                 if (NV30TCL_CHIPSET_3X_MASK & (1 << (chipset & 0x0f)))
 235                         rankine_class = 0x0397;
 236                 else
 237                 if (NV34TCL_CHIPSET_3X_MASK & (1 << (chipset & 0x0f)))
 238                         rankine_class = 0x0697;
 239                 else
 240                 if (NV35TCL_CHIPSET_3X_MASK & (1 << (chipset & 0x0f)))
 241                         rankine_class = 0x0497;
 242                 break;
 243         default:
 244                 break;
 245         }
 246
 247         if (!rankine_class) {
 248                 NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", chipset);
 249                 return NULL;
 250         }
 251
 252         ret = nvws->grobj_alloc(nvws, rankine_class, &screen->rankine);
 253         if (ret) {
 254                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 255                 return FALSE;
 256         }
 257
 258         /* Notifier for sync purposes */
 259         ret = nvws->notifier_alloc(nvws, 1, &screen->sync);
 260         if (ret) {
 261                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 262                 nv30_screen_destroy(&screen->pipe);
 263                 return NULL;
 264         }
 265
 266         /* Query objects */
 267         ret = nvws->notifier_alloc(nvws, 32, &screen->query);
 268         if (ret) {
 269                 NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 270                 nv30_screen_destroy(&screen->pipe);
 271                 return NULL;
 272         }
 273
 274         ret = nvws->res_init(&screen->query_heap, 0, 32);
 275         if (ret) {
 276                 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 277                 nv30_screen_destroy(&screen->pipe);
 278                 return NULL;
 279         }
 280
 281         /* Vtxprog resources */
 282         if (nvws->res_init(&screen->vp_exec_heap, 0, 256) ||
 283             nvws->res_init(&screen->vp_data_heap, 0, 256)) {
 284                 nv30_screen_destroy(&screen->pipe);
 285                 return NULL;
 286         }
 287
 288         /* Static rankine initialisation */
 289         so = so_new(128, 0);
 290         so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 291         so_data  (so, screen->sync->handle);
 292         so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 293         so_data  (so, nvws->channel->vram->handle);
 294         so_data  (so, nvws->channel->gart->handle);
 295         so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 296         so_data  (so, nvws->channel->vram->handle);
 297         so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 298         so_data  (so, nvws->channel->vram->handle);
 299         so_data  (so, nvws->channel->vram->handle);
 300         so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 301         so_data  (so, nvws->channel->vram->handle);
 302         so_data  (so, nvws->channel->gart->handle);
 303 /*      so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 304         so_data  (so, 0);
 305         so_data  (so, screen->query->handle);*/
 306         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 307         so_data  (so, nvws->channel->vram->handle);
 308         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 309         so_data  (so, nvws->channel->vram->handle);
 310
 311         for (i=1; i<8; i++) {
 312                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 313                 so_data  (so, 0);
 314                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 315                 so_data  (so, 0);
 316         }
 317
 318         so_method(so, screen->rankine, 0x220, 1);
 319         so_data  (so, 1);
 320
 321         so_method(so, screen->rankine, 0x03b0, 1);
 322         so_data  (so, 0x00100000);
 323         so_method(so, screen->rankine, 0x1454, 1);
 324         so_data  (so, 0);
 325         so_method(so, screen->rankine, 0x1d80, 1);
 326         so_data  (so, 3);
 327         so_method(so, screen->rankine, 0x1450, 1);
 328         so_data  (so, 0x00030004);
 329
 330         /* NEW */
 331         so_method(so, screen->rankine, 0x1e98, 1);
 332         so_data  (so, 0);
 333         so_method(so, screen->rankine, 0x17e0, 3);
 334         so_data  (so, fui(0.0));
 335         so_data  (so, fui(0.0));
 336         so_data  (so, fui(1.0));
 337         so_method(so, screen->rankine, 0x1f80, 16);
 338         for (i=0; i<16; i++) {
 339                 so_data  (so, (i==8) ? 0x0000ffff : 0);
 340         }
 341
 342         so_method(so, screen->rankine, 0x120, 3);
 343         so_data  (so, 0);
 344         so_data  (so, 1);
 345         so_data  (so, 2);
 346
 347         so_method(so, screen->rankine, 0x1d88, 1);
 348         so_data  (so, 0x00001200);
 349
 350         so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 351         so_data  (so, 0);
 352
 353         so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 354         so_data  (so, fui(0.0));
 355         so_data  (so, fui(1.0));
 356
 357         so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 358         so_data  (so, 0xffff0000);
 359
 360         /* enables use of vp rather than fixed-function somehow */
 361         so_method(so, screen->rankine, 0x1e94, 1);
 362         so_data  (so, 0x13);
 363
 364         so_emit(nvws, so);
 365         so_ref(NULL, &so);
 366         nvws->push_flush(nvws, 0, NULL);
 367
 368         screen->pipe.winsys = ws;
 369         screen->pipe.destroy = nv30_screen_destroy;
 370
 371         screen->pipe.get_name = nv30_screen_get_name;
 372         screen->pipe.get_vendor = nv30_screen_get_vendor;
 373         screen->pipe.get_param = nv30_screen_get_param;
 374         screen->pipe.get_paramf = nv30_screen_get_paramf;
 375
 376         screen->pipe.is_format_supported = nv30_screen_surface_format_supported;
 377
 378         screen->pipe.surface_map = nv30_surface_map;
 379         screen->pipe.surface_unmap = nv30_surface_unmap;
 380
 381         nv30_screen_init_miptree_functions(&screen->pipe);
 382
 383         return &screen->pipe;
 384 }
 385