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