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 static int
  14 nv30_screen_get_param(struct pipe_screen *pscreen, int param)
  15 {
  16         switch (param) {
  17         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  18                 return 16;
  19         case PIPE_CAP_NPOT_TEXTURES:
  20                 return 0;
  21         case PIPE_CAP_TWO_SIDED_STENCIL:
  22                 return 1;
  23         case PIPE_CAP_GLSL:
  24                 return 0;
  25         case PIPE_CAP_ANISOTROPIC_FILTER:
  26                 return 1;
  27         case PIPE_CAP_POINT_SPRITE:
  28                 return 1;
  29         case PIPE_CAP_MAX_RENDER_TARGETS:
  30                 return 2;
  31         case PIPE_CAP_OCCLUSION_QUERY:
  32                 return 1;
  33         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  34                 return 1;
  35         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  36                 return 13;
  37         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  38                 return 10;
  39         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  40                 return 13;
  41         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  42                 return 0;
  43         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  44                 return 1;
  45         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  46                 return 0;
  47         case PIPE_CAP_TGSI_CONT_SUPPORTED:
  48                 return 0;
  49         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  50                 return 0;
  51         case NOUVEAU_CAP_HW_VTXBUF:
  52         case NOUVEAU_CAP_HW_IDXBUF:
  53                 return 1;
  54         default:
  55                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  56                 return 0;
  57         }
  58 }
  59
  60 static float
  61 nv30_screen_get_paramf(struct pipe_screen *pscreen, int param)
  62 {
  63         switch (param) {
  64         case PIPE_CAP_MAX_LINE_WIDTH:
  65         case PIPE_CAP_MAX_LINE_WIDTH_AA:
  66                 return 10.0;
  67         case PIPE_CAP_MAX_POINT_WIDTH:
  68         case PIPE_CAP_MAX_POINT_WIDTH_AA:
  69                 return 64.0;
  70         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
  71                 return 8.0;
  72         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
  73                 return 4.0;
  74         default:
  75                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  76                 return 0.0;
  77         }
  78 }
  79
  80 static boolean
  81 nv30_screen_surface_format_supported(struct pipe_screen *pscreen,
  82                                      enum pipe_format format,
  83                                      enum pipe_texture_target target,
  84                                      unsigned tex_usage, unsigned geom_flags)
  85 {
  86         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
  87                 switch (format) {
  88                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  89                 case PIPE_FORMAT_R5G6B5_UNORM:
  90                         return TRUE;
  91                 default:
  92                         break;
  93                 }
  94         } else
  95         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
  96                 switch (format) {
  97                 case PIPE_FORMAT_Z24S8_UNORM:
  98                 case PIPE_FORMAT_Z24X8_UNORM:
  99                 case PIPE_FORMAT_Z16_UNORM:
 100                         return TRUE;
 101                 default:
 102                         break;
 103                 }
 104         } else {
 105                 switch (format) {
 106                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 107                 case PIPE_FORMAT_A1R5G5B5_UNORM:
 108                 case PIPE_FORMAT_A4R4G4B4_UNORM:
 109                 case PIPE_FORMAT_R5G6B5_UNORM:
 110                 case PIPE_FORMAT_L8_UNORM:
 111                 case PIPE_FORMAT_A8_UNORM:
 112                 case PIPE_FORMAT_I8_UNORM:
 113                 case PIPE_FORMAT_A8L8_UNORM:
 114                 case PIPE_FORMAT_Z16_UNORM:
 115                 case PIPE_FORMAT_Z24S8_UNORM:
 116                         return TRUE;
 117                 default:
 118                         break;
 119                 }
 120         }
 121
 122         return FALSE;
 123 }
 124
 125 static struct pipe_buffer *
 126 nv30_surface_buffer(struct pipe_surface *surf)
 127 {
 128         struct nv30_miptree *mt = (struct nv30_miptree *)surf->texture;
 129
 130         return mt->buffer;
 131 }
 132
 133 static void
 134 nv30_screen_destroy(struct pipe_screen *pscreen)
 135 {
 136         struct nv30_screen *screen = nv30_screen(pscreen);
 137
 138         nouveau_resource_free(&screen->vp_exec_heap);
 139         nouveau_resource_free(&screen->vp_data_heap);
 140         nouveau_resource_free(&screen->query_heap);
 141         nouveau_notifier_free(&screen->query);
 142         nouveau_notifier_free(&screen->sync);
 143         nouveau_grobj_free(&screen->rankine);
 144
 145         FREE(pscreen);
 146 }
 147
 148 struct pipe_screen *
 149 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 150 {
 151         struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 152         struct nouveau_channel *chan;
 153         struct pipe_screen *pscreen;
 154         struct nouveau_stateobj *so;
 155         unsigned rankine_class = 0;
 156         int ret, i;
 157
 158         if (!screen)
 159                 return NULL;
 160         pscreen = &screen->base.base;
 161
 162         ret = nouveau_screen_init(&screen->base, dev);
 163         if (ret) {
 164                 nv30_screen_destroy(pscreen);
 165                 return NULL;
 166         }
 167         chan = screen->base.channel;
 168
 169         pscreen->winsys = ws;
 170         pscreen->destroy = nv30_screen_destroy;
 171         pscreen->get_param = nv30_screen_get_param;
 172         pscreen->get_paramf = nv30_screen_get_paramf;
 173         pscreen->is_format_supported = nv30_screen_surface_format_supported;
 174
 175         nv30_screen_init_miptree_functions(pscreen);
 176         nv30_screen_init_transfer_functions(pscreen);
 177
 178         /* 3D object */
 179         switch (dev->chipset & 0xf0) {
 180         case 0x30:
 181                 if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 182                         rankine_class = 0x0397;
 183                 else
 184                 if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 185                         rankine_class = 0x0697;
 186                 else
 187                 if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->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", dev->chipset);
 196                 return NULL;
 197         }
 198
 199         ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
 200                                   &screen->rankine);
 201         if (ret) {
 202                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 203                 return FALSE;
 204         }
 205         BIND_RING(chan, screen->rankine, 7);
 206
 207         /* 2D engine setup */
 208         screen->eng2d = nv04_surface_2d_init(&screen->base);
 209         screen->eng2d->buf = nv30_surface_buffer;
 210
 211         /* Notifier for sync purposes */
 212         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 213         if (ret) {
 214                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 215                 nv30_screen_destroy(pscreen);
 216                 return NULL;
 217         }
 218
 219         /* Query objects */
 220         ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
 221         if (ret) {
 222                 NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 223                 nv30_screen_destroy(pscreen);
 224                 return NULL;
 225         }
 226
 227         ret = nouveau_resource_init(&screen->query_heap, 0, 32);
 228         if (ret) {
 229                 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 230                 nv30_screen_destroy(pscreen);
 231                 return NULL;
 232         }
 233
 234         /* Vtxprog resources */
 235         if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) ||
 236             nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
 237                 nv30_screen_destroy(pscreen);
 238                 return NULL;
 239         }
 240
 241         /* Static rankine initialisation */
 242         so = so_new(128, 0);
 243         so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 244         so_data  (so, screen->sync->handle);
 245         so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 246         so_data  (so, chan->vram->handle);
 247         so_data  (so, chan->gart->handle);
 248         so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 249         so_data  (so, chan->vram->handle);
 250         so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 251         so_data  (so, chan->vram->handle);
 252         so_data  (so, chan->vram->handle);
 253         so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 254         so_data  (so, chan->vram->handle);
 255         so_data  (so, chan->gart->handle);
 256 /*      so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 257         so_data  (so, 0);
 258         so_data  (so, screen->query->handle);*/
 259         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 260         so_data  (so, chan->vram->handle);
 261         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 262         so_data  (so, chan->vram->handle);
 263
 264         for (i=1; i<8; i++) {
 265                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 266                 so_data  (so, 0);
 267                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 268                 so_data  (so, 0);
 269         }
 270
 271         so_method(so, screen->rankine, 0x220, 1);
 272         so_data  (so, 1);
 273
 274         so_method(so, screen->rankine, 0x03b0, 1);
 275         so_data  (so, 0x00100000);
 276         so_method(so, screen->rankine, 0x1454, 1);
 277         so_data  (so, 0);
 278         so_method(so, screen->rankine, 0x1d80, 1);
 279         so_data  (so, 3);
 280         so_method(so, screen->rankine, 0x1450, 1);
 281         so_data  (so, 0x00030004);
 282
 283         /* NEW */
 284         so_method(so, screen->rankine, 0x1e98, 1);
 285         so_data  (so, 0);
 286         so_method(so, screen->rankine, 0x17e0, 3);
 287         so_data  (so, fui(0.0));
 288         so_data  (so, fui(0.0));
 289         so_data  (so, fui(1.0));
 290         so_method(so, screen->rankine, 0x1f80, 16);
 291         for (i=0; i<16; i++) {
 292                 so_data  (so, (i==8) ? 0x0000ffff : 0);
 293         }
 294
 295         so_method(so, screen->rankine, 0x120, 3);
 296         so_data  (so, 0);
 297         so_data  (so, 1);
 298         so_data  (so, 2);
 299
 300         so_method(so, screen->rankine, 0x1d88, 1);
 301         so_data  (so, 0x00001200);
 302
 303         so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 304         so_data  (so, 0);
 305
 306         so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 307         so_data  (so, fui(0.0));
 308         so_data  (so, fui(1.0));
 309
 310         so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 311         so_data  (so, 0xffff0000);
 312
 313         /* enables use of vp rather than fixed-function somehow */
 314         so_method(so, screen->rankine, 0x1e94, 1);
 315         so_data  (so, 0x13);
 316
 317         so_emit(chan, so);
 318         so_ref(NULL, &so);
 319         nouveau_pushbuf_flush(chan, 0);
 320
 321         return pscreen;
 322 }