src/gallium/drivers/nv30/nv30_screen.c

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