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         unsigned nr_pctx;
  24         struct pipe_context **pctx;
  25
  26         struct pipe_surface *front;
  27 };
  28
  29 static int
  30 nv30_screen_get_param(struct pipe_screen *pscreen, int param)
  31 {
  32         switch (param) {
  33         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  34                 return 16;
  35         case PIPE_CAP_NPOT_TEXTURES:
  36                 return 0;
  37         case PIPE_CAP_TWO_SIDED_STENCIL:
  38                 return 1;
  39         case PIPE_CAP_GLSL:
  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 PIPE_CAP_TGSI_CONT_SUPPORTED:
  64                 return 0;
  65         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  66                 return 0;
  67         case NOUVEAU_CAP_HW_VTXBUF:
  68         case NOUVEAU_CAP_HW_IDXBUF:
  69                 return 1;
  70         default:
  71                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  72                 return 0;
  73         }
  74 }
  75
  76 static float
  77 nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
  78 {
  79         switch (param) {
  80         case PIPE_CAP_MAX_LINE_WIDTH:
  81         case PIPE_CAP_MAX_LINE_WIDTH_AA:
  82                 return 10.0;
  83         case PIPE_CAP_MAX_POINT_WIDTH:
  84         case PIPE_CAP_MAX_POINT_WIDTH_AA:
  85                 return 64.0;
  86         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
  87                 return 8.0;
  88         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
  89                 return 4.0;
  90         default:
  91                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  92                 return 0.0;
  93         }
  94 }
  95
  96 static boolean
  97 nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
  98                                      enum pipe_format format,
  99                                      enum pipe_texture_target target,
 100                                      unsigned tex_usage, unsigned geom_flags)
 101 {
 102         struct pipe_surface *front = ((struct nouveau_winsys *) pscreen->winsys)->front;
 103
 104         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
 105                 switch (format) {
 106                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 107                 case PIPE_FORMAT_R5G6B5_UNORM:
 108                         return TRUE;
 109                 default:
 110                         break;
 111                 }
 112         } else
 113         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
 114                 switch (format) {
 115                 case PIPE_FORMAT_Z24S8_UNORM:
 116                 case PIPE_FORMAT_Z24X8_UNORM:
 117                         return TRUE;
 118                 case PIPE_FORMAT_Z16_UNORM:
 119                         if (front) {
 120                                 return (front->format == PIPE_FORMAT_R5G6B5_UNORM);
 121                         }
 122                         return TRUE;
 123                 default:
 124                         break;
 125                 }
 126         } else {
 127                 switch (format) {
 128                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 129                 case PIPE_FORMAT_A1R5G5B5_UNORM:
 130                 case PIPE_FORMAT_A4R4G4B4_UNORM:
 131                 case PIPE_FORMAT_R5G6B5_UNORM:
 132                 case PIPE_FORMAT_L8_UNORM:
 133                 case PIPE_FORMAT_A8_UNORM:
 134                 case PIPE_FORMAT_I8_UNORM:
 135                 case PIPE_FORMAT_A8L8_UNORM:
 136                 case PIPE_FORMAT_Z16_UNORM:
 137                 case PIPE_FORMAT_Z24S8_UNORM:
 138                         return TRUE;
 139                 default:
 140                         break;
 141                 }
 142         }
 143
 144         return FALSE;
 145 }
 146
 147 static struct pipe_buffer *
 148 nv30_surface_buffer(struct pipe_surface *surf)
 149 {
 150         struct nv30_miptree *mt = (struct nv30_miptree *)surf->texture;
 151
 152         return mt->buffer;
 153 }
 154
 155 static void
 156 nv30_screen_destroy(struct pipe_screen *pscreen)
 157 {
 158         struct nv30_screen *screen = nv30_screen(pscreen);
 159         unsigned i;
 160
 161         for (i = 0; i < NV30_STATE_MAX; i++) {
 162                 if (screen->state[i])
 163                         so_ref(NULL, &screen->state[i]);
 164         }
 165
 166         nouveau_resource_free(&screen->vp_exec_heap);
 167         nouveau_resource_free(&screen->vp_data_heap);
 168         nouveau_resource_free(&screen->query_heap);
 169         nouveau_notifier_free(&screen->query);
 170         nouveau_notifier_free(&screen->sync);
 171         nouveau_grobj_free(&screen->rankine);
 172         nv04_surface_2d_takedown(&screen->eng2d);
 173
 174         nouveau_screen_fini(&screen->base);
 175
 176         FREE(pscreen);
 177 }
 178
 179 struct pipe_screen *
 180 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 181 {
 182         struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 183         struct nouveau_channel *chan;
 184         struct pipe_screen *pscreen;
 185         struct nouveau_stateobj *so;
 186         unsigned rankine_class = 0;
 187         int ret, i;
 188
 189         if (!screen)
 190                 return NULL;
 191         pscreen = &screen->base.base;
 192
 193         ret = nouveau_screen_init(&screen->base, dev);
 194         if (ret) {
 195                 nv30_screen_destroy(pscreen);
 196                 return NULL;
 197         }
 198         chan = screen->base.channel;
 199
 200         pscreen->winsys = ws;
 201         pscreen->destroy = nv30_screen_destroy;
 202         pscreen->get_param = nv30_screen_get_param;
 203         pscreen->get_paramf = nv30_screen_get_paramf;
 204         pscreen->is_format_supported = nv30_screen_surface_format_supported;
 205
 206         nv30_screen_init_miptree_functions(pscreen);
 207         nv30_screen_init_transfer_functions(pscreen);
 208
 209         /* 3D object */
 210         switch (dev->chipset & 0xf0) {
 211         case 0x30:
 212                 if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 213                         rankine_class = 0x0397;
 214                 else
 215                 if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 216                         rankine_class = 0x0697;
 217                 else
 218                 if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 219                         rankine_class = 0x0497;
 220                 break;
 221         default:
 222                 break;
 223         }
 224
 225         if (!rankine_class) {
 226                 NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", dev->chipset);
 227                 return NULL;
 228         }
 229
 230         ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
 231                                   &screen->rankine);
 232         if (ret) {
 233                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 234                 return FALSE;
 235         }
 236
 237         /* 2D engine setup */
 238         screen->eng2d = nv04_surface_2d_init(&screen->base);
 239         screen->eng2d->buf = nv30_surface_buffer;
 240
 241         /* Notifier for sync purposes */
 242         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 243         if (ret) {
 244                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 245                 nv30_screen_destroy(pscreen);
 246                 return NULL;
 247         }
 248
 249         /* Query objects */
 250         ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
 251         if (ret) {
 252                 NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 253                 nv30_screen_destroy(pscreen);
 254                 return NULL;
 255         }
 256
 257         ret = nouveau_resource_init(&screen->query_heap, 0, 32);
 258         if (ret) {
 259                 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 260                 nv30_screen_destroy(pscreen);
 261                 return NULL;
 262         }
 263
 264         /* Vtxprog resources */
 265         if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) ||
 266             nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
 267                 nv30_screen_destroy(pscreen);
 268                 return NULL;
 269         }
 270
 271         /* Static rankine initialisation */
 272         so = so_new(36, 60, 0);
 273         so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 274         so_data  (so, screen->sync->handle);
 275         so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 276         so_data  (so, chan->vram->handle);
 277         so_data  (so, chan->gart->handle);
 278         so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 279         so_data  (so, chan->vram->handle);
 280         so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 281         so_data  (so, chan->vram->handle);
 282         so_data  (so, chan->vram->handle);
 283         so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 284         so_data  (so, chan->vram->handle);
 285         so_data  (so, chan->gart->handle);
 286 /*      so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 287         so_data  (so, 0);
 288         so_data  (so, screen->query->handle);*/
 289         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 290         so_data  (so, chan->vram->handle);
 291         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 292         so_data  (so, chan->vram->handle);
 293
 294         for (i=1; i<8; i++) {
 295                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 296                 so_data  (so, 0);
 297                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 298                 so_data  (so, 0);
 299         }
 300
 301         so_method(so, screen->rankine, 0x220, 1);
 302         so_data  (so, 1);
 303
 304         so_method(so, screen->rankine, 0x03b0, 1);
 305         so_data  (so, 0x00100000);
 306         so_method(so, screen->rankine, 0x1454, 1);
 307         so_data  (so, 0);
 308         so_method(so, screen->rankine, 0x1d80, 1);
 309         so_data  (so, 3);
 310         so_method(so, screen->rankine, 0x1450, 1);
 311         so_data  (so, 0x00030004);
 312
 313         /* NEW */
 314         so_method(so, screen->rankine, 0x1e98, 1);
 315         so_data  (so, 0);
 316         so_method(so, screen->rankine, 0x17e0, 3);
 317         so_data  (so, fui(0.0));
 318         so_data  (so, fui(0.0));
 319         so_data  (so, fui(1.0));
 320         so_method(so, screen->rankine, 0x1f80, 16);
 321         for (i=0; i<16; i++) {
 322                 so_data  (so, (i==8) ? 0x0000ffff : 0);
 323         }
 324
 325         so_method(so, screen->rankine, 0x120, 3);
 326         so_data  (so, 0);
 327         so_data  (so, 1);
 328         so_data  (so, 2);
 329
 330         so_method(so, screen->rankine, 0x1d88, 1);
 331         so_data  (so, 0x00001200);
 332
 333         so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 334         so_data  (so, 0);
 335
 336         so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 337         so_data  (so, fui(0.0));
 338         so_data  (so, fui(1.0));
 339
 340         so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 341         so_data  (so, 0xffff0000);
 342
 343         /* enables use of vp rather than fixed-function somehow */
 344         so_method(so, screen->rankine, 0x1e94, 1);
 345         so_data  (so, 0x13);
 346
 347         so_emit(chan, so);
 348         so_ref(NULL, &so);
 349         nouveau_pushbuf_flush(chan, 0);
 350
 351         return pscreen;
 352 }