src/gallium/drivers/nv30/nv30_screen.c

   1 #include "pipe/p_screen.h"
   2 #include "pipe/p_state.h"
   3
   4 #include "nouveau/nouveau_screen.h"
   5
   6 #include "nv30_context.h"
   7 #include "nv30_screen.h"
   8
   9 #define NV30TCL_CHIPSET_3X_MASK 0x00000003
  10 #define NV34TCL_CHIPSET_3X_MASK 0x00000010
  11 #define NV35TCL_CHIPSET_3X_MASK 0x000001e0
  12
  13 /* FIXME: It seems I should not include directly ../../winsys/drm/nouveau/drm/nouveau_drm_api.h
  14  * to get the pointer to the context front buffer, so I copied nouveau_winsys here.
  15  * nv30_screen_surface_format_supported() can then use it to enforce creating fbo
  16  * with same number of bits everywhere.
  17  */
  18 struct nouveau_winsys {
  19         struct pipe_winsys base;
  20
  21         struct pipe_screen *pscreen;
  22
  23         struct pipe_surface *front;
  24 };
  25
  26 static int
  27 nv30_screen_get_param(struct pipe_screen *pscreen, int param)
  28 {
  29         switch (param) {
  30         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  31                 return 8;
  32         case PIPE_CAP_NPOT_TEXTURES:
  33                 return 0;
  34         case PIPE_CAP_TWO_SIDED_STENCIL:
  35                 return 1;
  36         case PIPE_CAP_GLSL:
  37                 return 0;
  38         case PIPE_CAP_ANISOTROPIC_FILTER:
  39                 return 1;
  40         case PIPE_CAP_POINT_SPRITE:
  41                 return 1;
  42         case PIPE_CAP_MAX_RENDER_TARGETS:
  43                 return 2;
  44         case PIPE_CAP_OCCLUSION_QUERY:
  45                 return 1;
  46         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  47                 return 1;
  48         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  49                 return 13;
  50         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  51                 return 10;
  52         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  53                 return 13;
  54         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  55                 return 0;
  56         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  57                 return 1;
  58         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  59                 return 0;
  60         case PIPE_CAP_TGSI_CONT_SUPPORTED:
  61                 return 0;
  62         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  63                 return 0;
  64         case NOUVEAU_CAP_HW_VTXBUF:
  65         case NOUVEAU_CAP_HW_IDXBUF:
  66                 return 1;
  67         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
  68                 return 16;
  69         case PIPE_CAP_INDEP_BLEND_ENABLE:
  70                 return 0;
  71         case PIPE_CAP_INDEP_BLEND_FUNC:
  72                 return 0;
  73         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
  74         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
  75                 return 1;
  76         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
  77         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
  78                 return 0;
  79         default:
  80                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  81                 return 0;
  82         }
  83 }
  84
  85 static float
  86 nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
  87 {
  88         switch (param) {
  89         case PIPE_CAP_MAX_LINE_WIDTH:
  90         case PIPE_CAP_MAX_LINE_WIDTH_AA:
  91                 return 10.0;
  92         case PIPE_CAP_MAX_POINT_WIDTH:
  93         case PIPE_CAP_MAX_POINT_WIDTH_AA:
  94                 return 64.0;
  95         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
  96                 return 8.0;
  97         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
  98                 return 4.0;
  99         default:
 100                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
 101                 return 0.0;
 102         }
 103 }
 104
 105 static boolean
 106 nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
 107                                      enum pipe_format format,
 108                                      enum pipe_texture_target target,
 109                                      unsigned tex_usage, unsigned geom_flags)
 110 {
 111         struct pipe_surface *front = ((struct nouveau_winsys *) pscreen->winsys)->front;
 112
 113         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 114                 switch (format) {
 115                 case PIPE_FORMAT_B8G8R8A8_UNORM:
 116                 case PIPE_FORMAT_B5G6R5_UNORM:
 117                         return TRUE;
 118                 default:
 119                         break;
 120                 }
 121         } else
 122         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
 123                 switch (format) {
 124                 case PIPE_FORMAT_S8Z24_UNORM:
 125                 case PIPE_FORMAT_X8Z24_UNORM:
 126                         return TRUE;
 127                 case PIPE_FORMAT_Z16_UNORM:
 128                         if (front) {
 129                                 return (front->format == PIPE_FORMAT_B5G6R5_UNORM);
 130                         }
 131                         return TRUE;
 132                 default:
 133                         break;
 134                 }
 135         } else {
 136                 switch (format) {
 137                 case PIPE_FORMAT_B8G8R8A8_UNORM:
 138                 case PIPE_FORMAT_B5G5R5A1_UNORM:
 139                 case PIPE_FORMAT_B4G4R4A4_UNORM:
 140                 case PIPE_FORMAT_B5G6R5_UNORM:
 141                 case PIPE_FORMAT_L8_UNORM:
 142                 case PIPE_FORMAT_A8_UNORM:
 143                 case PIPE_FORMAT_I8_UNORM:
 144                 case PIPE_FORMAT_L8A8_UNORM:
 145                 case PIPE_FORMAT_Z16_UNORM:
 146                 case PIPE_FORMAT_S8Z24_UNORM:
 147                         return TRUE;
 148                 default:
 149                         break;
 150                 }
 151         }
 152
 153         return FALSE;
 154 }
 155
 156 static struct pipe_buffer *
 157 nv30_surface_buffer(struct pipe_surface *surf)
 158 {
 159         struct nv30_miptree *mt = (struct nv30_miptree *)surf->texture;
 160
 161         return mt->buffer;
 162 }
 163
 164 static void
 165 nv30_screen_destroy(struct pipe_screen *pscreen)
 166 {
 167         struct nv30_screen *screen = nv30_screen(pscreen);
 168         unsigned i;
 169
 170         for (i = 0; i < NV30_STATE_MAX; i++) {
 171                 if (screen->state[i])
 172                         so_ref(NULL, &screen->state[i]);
 173         }
 174
 175         nouveau_resource_destroy(&screen->vp_exec_heap);
 176         nouveau_resource_destroy(&screen->vp_data_heap);
 177         nouveau_resource_destroy(&screen->query_heap);
 178         nouveau_notifier_free(&screen->query);
 179         nouveau_notifier_free(&screen->sync);
 180         nouveau_grobj_free(&screen->rankine);
 181         nv04_surface_2d_takedown(&screen->eng2d);
 182
 183         nouveau_screen_fini(&screen->base);
 184
 185         FREE(pscreen);
 186 }
 187
 188 struct pipe_screen *
 189 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 190 {
 191         struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 192         struct nouveau_channel *chan;
 193         struct pipe_screen *pscreen;
 194         struct nouveau_stateobj *so;
 195         unsigned rankine_class = 0;
 196         int ret, i;
 197
 198         if (!screen)
 199                 return NULL;
 200         pscreen = &screen->base.base;
 201
 202         ret = nouveau_screen_init(&screen->base, dev);
 203         if (ret) {
 204                 nv30_screen_destroy(pscreen);
 205                 return NULL;
 206         }
 207         chan = screen->base.channel;
 208
 209         pscreen->winsys = ws;
 210         pscreen->destroy = nv30_screen_destroy;
 211         pscreen->get_param = nv30_screen_get_param;
 212         pscreen->get_paramf = nv30_screen_get_paramf;
 213         pscreen->is_format_supported = nv30_screen_surface_format_supported;
 214         pscreen->context_create = nv30_create;
 215
 216         nv30_screen_init_miptree_functions(pscreen);
 217         nv30_screen_init_transfer_functions(pscreen);
 218
 219         /* 3D object */
 220         switch (dev->chipset & 0xf0) {
 221         case 0x30:
 222                 if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 223                         rankine_class = 0x0397;
 224                 else
 225                 if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 226                         rankine_class = 0x0697;
 227                 else
 228                 if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 229                         rankine_class = 0x0497;
 230                 break;
 231         default:
 232                 break;
 233         }
 234
 235         if (!rankine_class) {
 236                 NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", dev->chipset);
 237                 return NULL;
 238         }
 239
 240         ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
 241                                   &screen->rankine);
 242         if (ret) {
 243                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 244                 return FALSE;
 245         }
 246
 247         /* 2D engine setup */
 248         screen->eng2d = nv04_surface_2d_init(&screen->base);
 249         screen->eng2d->buf = nv30_surface_buffer;
 250
 251         /* Notifier for sync purposes */
 252         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 253         if (ret) {
 254                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 255                 nv30_screen_destroy(pscreen);
 256                 return NULL;
 257         }
 258
 259         /* Query objects */
 260         ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
 261         if (ret) {
 262                 NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 263                 nv30_screen_destroy(pscreen);
 264                 return NULL;
 265         }
 266
 267         ret = nouveau_resource_init(&screen->query_heap, 0, 32);
 268         if (ret) {
 269                 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 270                 nv30_screen_destroy(pscreen);
 271                 return NULL;
 272         }
 273
 274         /* Vtxprog resources */
 275         if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) ||
 276             nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
 277                 nv30_screen_destroy(pscreen);
 278                 return NULL;
 279         }
 280
 281         /* Static rankine initialisation */
 282         so = so_new(36, 60, 0);
 283         so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 284         so_data  (so, screen->sync->handle);
 285         so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 286         so_data  (so, chan->vram->handle);
 287         so_data  (so, chan->gart->handle);
 288         so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 289         so_data  (so, chan->vram->handle);
 290         so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 291         so_data  (so, chan->vram->handle);
 292         so_data  (so, chan->vram->handle);
 293         so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 294         so_data  (so, chan->vram->handle);
 295         so_data  (so, chan->gart->handle);
 296 /*      so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 297         so_data  (so, 0);
 298         so_data  (so, screen->query->handle);*/
 299         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 300         so_data  (so, chan->vram->handle);
 301         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 302         so_data  (so, chan->vram->handle);
 303
 304         for (i=1; i<8; i++) {
 305                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 306                 so_data  (so, 0);
 307                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 308                 so_data  (so, 0);
 309         }
 310
 311         so_method(so, screen->rankine, 0x220, 1);
 312         so_data  (so, 1);
 313
 314         so_method(so, screen->rankine, 0x03b0, 1);
 315         so_data  (so, 0x00100000);
 316         so_method(so, screen->rankine, 0x1454, 1);
 317         so_data  (so, 0);
 318         so_method(so, screen->rankine, 0x1d80, 1);
 319         so_data  (so, 3);
 320         so_method(so, screen->rankine, 0x1450, 1);
 321         so_data  (so, 0x00030004);
 322
 323         /* NEW */
 324         so_method(so, screen->rankine, 0x1e98, 1);
 325         so_data  (so, 0);
 326         so_method(so, screen->rankine, 0x17e0, 3);
 327         so_data  (so, fui(0.0));
 328         so_data  (so, fui(0.0));
 329         so_data  (so, fui(1.0));
 330         so_method(so, screen->rankine, 0x1f80, 16);
 331         for (i=0; i<16; i++) {
 332                 so_data  (so, (i==8) ? 0x0000ffff : 0);
 333         }
 334
 335         so_method(so, screen->rankine, 0x120, 3);
 336         so_data  (so, 0);
 337         so_data  (so, 1);
 338         so_data  (so, 2);
 339
 340         so_method(so, screen->rankine, 0x1d88, 1);
 341         so_data  (so, 0x00001200);
 342
 343         so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 344         so_data  (so, 0);
 345
 346         so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 347         so_data  (so, fui(0.0));
 348         so_data  (so, fui(1.0));
 349
 350         so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 351         so_data  (so, 0xffff0000);
 352
 353         /* enables use of vp rather than fixed-function somehow */
 354         so_method(so, screen->rankine, 0x1e94, 1);
 355         so_data  (so, 0x13);
 356
 357         so_emit(chan, so);
 358         so_ref(NULL, &so);
 359         nouveau_pushbuf_flush(chan, 0);
 360
 361         return pscreen;
 362 }