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 16;
  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_INDEP_BLEND_ENABLE:
  68                 return 0;
  69         case PIPE_CAP_INDEP_BLEND_FUNC:
  70                 return 0;
  71         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
  72         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
  73                 return 1;
  74         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
  75         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
  76                 return 0;
  77         default:
  78                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  79                 return 0;
  80         }
  81 }
  82
  83 static float
  84 nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
  85 {
  86         switch (param) {
  87         case PIPE_CAP_MAX_LINE_WIDTH:
  88         case PIPE_CAP_MAX_LINE_WIDTH_AA:
  89                 return 10.0;
  90         case PIPE_CAP_MAX_POINT_WIDTH:
  91         case PIPE_CAP_MAX_POINT_WIDTH_AA:
  92                 return 64.0;
  93         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
  94                 return 8.0;
  95         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
  96                 return 4.0;
  97         default:
  98                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  99                 return 0.0;
 100         }
 101 }
 102
 103 static boolean
 104 nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
 105                                      enum pipe_format format,
 106                                      enum pipe_texture_target target,
 107                                      unsigned tex_usage, unsigned geom_flags)
 108 {
 109         struct pipe_surface *front = ((struct nouveau_winsys *) pscreen->winsys)->front;
 110
 111         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 112                 switch (format) {
 113                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 114                 case PIPE_FORMAT_R5G6B5_UNORM:
 115                         return TRUE;
 116                 default:
 117                         break;
 118                 }
 119         } else
 120         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
 121                 switch (format) {
 122                 case PIPE_FORMAT_Z24S8_UNORM:
 123                 case PIPE_FORMAT_Z24X8_UNORM:
 124                         return TRUE;
 125                 case PIPE_FORMAT_Z16_UNORM:
 126                         if (front) {
 127                                 return (front->format == PIPE_FORMAT_R5G6B5_UNORM);
 128                         }
 129                         return TRUE;
 130                 default:
 131                         break;
 132                 }
 133         } else {
 134                 switch (format) {
 135                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 136                 case PIPE_FORMAT_A1R5G5B5_UNORM:
 137                 case PIPE_FORMAT_A4R4G4B4_UNORM:
 138                 case PIPE_FORMAT_R5G6B5_UNORM:
 139                 case PIPE_FORMAT_L8_UNORM:
 140                 case PIPE_FORMAT_A8_UNORM:
 141                 case PIPE_FORMAT_I8_UNORM:
 142                 case PIPE_FORMAT_A8L8_UNORM:
 143                 case PIPE_FORMAT_Z16_UNORM:
 144                 case PIPE_FORMAT_Z24S8_UNORM:
 145                         return TRUE;
 146                 default:
 147                         break;
 148                 }
 149         }
 150
 151         return FALSE;
 152 }
 153
 154 static struct pipe_buffer *
 155 nv30_surface_buffer(struct pipe_surface *surf)
 156 {
 157         struct nv30_miptree *mt = (struct nv30_miptree *)surf->texture;
 158
 159         return mt->buffer;
 160 }
 161
 162 static void
 163 nv30_screen_destroy(struct pipe_screen *pscreen)
 164 {
 165         struct nv30_screen *screen = nv30_screen(pscreen);
 166         unsigned i;
 167
 168         for (i = 0; i < NV30_STATE_MAX; i++) {
 169                 if (screen->state[i])
 170                         so_ref(NULL, &screen->state[i]);
 171         }
 172
 173         nouveau_resource_destroy(&screen->vp_exec_heap);
 174         nouveau_resource_destroy(&screen->vp_data_heap);
 175         nouveau_resource_destroy(&screen->query_heap);
 176         nouveau_notifier_free(&screen->query);
 177         nouveau_notifier_free(&screen->sync);
 178         nouveau_grobj_free(&screen->rankine);
 179         nv04_surface_2d_takedown(&screen->eng2d);
 180
 181         nouveau_screen_fini(&screen->base);
 182
 183         FREE(pscreen);
 184 }
 185
 186 struct pipe_screen *
 187 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 188 {
 189         struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 190         struct nouveau_channel *chan;
 191         struct pipe_screen *pscreen;
 192         struct nouveau_stateobj *so;
 193         unsigned rankine_class = 0;
 194         int ret, i;
 195
 196         if (!screen)
 197                 return NULL;
 198         pscreen = &screen->base.base;
 199
 200         ret = nouveau_screen_init(&screen->base, dev);
 201         if (ret) {
 202                 nv30_screen_destroy(pscreen);
 203                 return NULL;
 204         }
 205         chan = screen->base.channel;
 206
 207         pscreen->winsys = ws;
 208         pscreen->destroy = nv30_screen_destroy;
 209         pscreen->get_param = nv30_screen_get_param;
 210         pscreen->get_paramf = nv30_screen_get_paramf;
 211         pscreen->is_format_supported = nv30_screen_surface_format_supported;
 212         pscreen->context_create = nv30_create;
 213
 214         nv30_screen_init_miptree_functions(pscreen);
 215         nv30_screen_init_transfer_functions(pscreen);
 216
 217         /* 3D object */
 218         switch (dev->chipset & 0xf0) {
 219         case 0x30:
 220                 if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 221                         rankine_class = 0x0397;
 222                 else
 223                 if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 224                         rankine_class = 0x0697;
 225                 else
 226                 if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 227                         rankine_class = 0x0497;
 228                 break;
 229         default:
 230                 break;
 231         }
 232
 233         if (!rankine_class) {
 234                 NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", dev->chipset);
 235                 return NULL;
 236         }
 237
 238         ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
 239                                   &screen->rankine);
 240         if (ret) {
 241                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 242                 return FALSE;
 243         }
 244
 245         /* 2D engine setup */
 246         screen->eng2d = nv04_surface_2d_init(&screen->base);
 247         screen->eng2d->buf = nv30_surface_buffer;
 248
 249         /* Notifier for sync purposes */
 250         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 251         if (ret) {
 252                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 253                 nv30_screen_destroy(pscreen);
 254                 return NULL;
 255         }
 256
 257         /* Query objects */
 258         ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
 259         if (ret) {
 260                 NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 261                 nv30_screen_destroy(pscreen);
 262                 return NULL;
 263         }
 264
 265         ret = nouveau_resource_init(&screen->query_heap, 0, 32);
 266         if (ret) {
 267                 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 268                 nv30_screen_destroy(pscreen);
 269                 return NULL;
 270         }
 271
 272         /* Vtxprog resources */
 273         if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) ||
 274             nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
 275                 nv30_screen_destroy(pscreen);
 276                 return NULL;
 277         }
 278
 279         /* Static rankine initialisation */
 280         so = so_new(36, 60, 0);
 281         so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 282         so_data  (so, screen->sync->handle);
 283         so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 284         so_data  (so, chan->vram->handle);
 285         so_data  (so, chan->gart->handle);
 286         so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 287         so_data  (so, chan->vram->handle);
 288         so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 289         so_data  (so, chan->vram->handle);
 290         so_data  (so, chan->vram->handle);
 291         so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 292         so_data  (so, chan->vram->handle);
 293         so_data  (so, chan->gart->handle);
 294 /*      so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 295         so_data  (so, 0);
 296         so_data  (so, screen->query->handle);*/
 297         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 298         so_data  (so, chan->vram->handle);
 299         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 300         so_data  (so, chan->vram->handle);
 301
 302         for (i=1; i<8; i++) {
 303                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 304                 so_data  (so, 0);
 305                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 306                 so_data  (so, 0);
 307         }
 308
 309         so_method(so, screen->rankine, 0x220, 1);
 310         so_data  (so, 1);
 311
 312         so_method(so, screen->rankine, 0x03b0, 1);
 313         so_data  (so, 0x00100000);
 314         so_method(so, screen->rankine, 0x1454, 1);
 315         so_data  (so, 0);
 316         so_method(so, screen->rankine, 0x1d80, 1);
 317         so_data  (so, 3);
 318         so_method(so, screen->rankine, 0x1450, 1);
 319         so_data  (so, 0x00030004);
 320
 321         /* NEW */
 322         so_method(so, screen->rankine, 0x1e98, 1);
 323         so_data  (so, 0);
 324         so_method(so, screen->rankine, 0x17e0, 3);
 325         so_data  (so, fui(0.0));
 326         so_data  (so, fui(0.0));
 327         so_data  (so, fui(1.0));
 328         so_method(so, screen->rankine, 0x1f80, 16);
 329         for (i=0; i<16; i++) {
 330                 so_data  (so, (i==8) ? 0x0000ffff : 0);
 331         }
 332
 333         so_method(so, screen->rankine, 0x120, 3);
 334         so_data  (so, 0);
 335         so_data  (so, 1);
 336         so_data  (so, 2);
 337
 338         so_method(so, screen->rankine, 0x1d88, 1);
 339         so_data  (so, 0x00001200);
 340
 341         so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 342         so_data  (so, 0);
 343
 344         so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 345         so_data  (so, fui(0.0));
 346         so_data  (so, fui(1.0));
 347
 348         so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 349         so_data  (so, 0xffff0000);
 350
 351         /* enables use of vp rather than fixed-function somehow */
 352         so_method(so, screen->rankine, 0x1e94, 1);
 353         so_data  (so, 0x13);
 354
 355         so_emit(chan, so);
 356         so_ref(NULL, &so);
 357         nouveau_pushbuf_flush(chan, 0);
 358
 359         return pscreen;
 360 }