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                 return (format == front->format);
 106         } else
 107         if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
 108                 switch (format) {
 109                 case PIPE_FORMAT_Z24S8_UNORM:
 110                 case PIPE_FORMAT_Z24X8_UNORM:
 111                         return (front->format == PIPE_FORMAT_A8R8G8B8_UNORM);
 112                 case PIPE_FORMAT_Z16_UNORM:
 113                         return (front->format == PIPE_FORMAT_R5G6B5_UNORM);
 114                 default:
 115                         break;
 116                 }
 117         } else {
 118                 switch (format) {
 119                 case PIPE_FORMAT_A8R8G8B8_UNORM:
 120                 case PIPE_FORMAT_A1R5G5B5_UNORM:
 121                 case PIPE_FORMAT_A4R4G4B4_UNORM:
 122                 case PIPE_FORMAT_R5G6B5_UNORM:
 123                 case PIPE_FORMAT_L8_UNORM:
 124                 case PIPE_FORMAT_A8_UNORM:
 125                 case PIPE_FORMAT_I8_UNORM:
 126                 case PIPE_FORMAT_A8L8_UNORM:
 127                 case PIPE_FORMAT_Z16_UNORM:
 128                 case PIPE_FORMAT_Z24S8_UNORM:
 129                         return TRUE;
 130                 default:
 131                         break;
 132                 }
 133         }
 134
 135         return FALSE;
 136 }
 137
 138 static struct pipe_buffer *
 139 nv30_surface_buffer(struct pipe_surface *surf)
 140 {
 141         struct nv30_miptree *mt = (struct nv30_miptree *)surf->texture;
 142
 143         return mt->buffer;
 144 }
 145
 146 static void
 147 nv30_screen_destroy(struct pipe_screen *pscreen)
 148 {
 149         struct nv30_screen *screen = nv30_screen(pscreen);
 150
 151         nouveau_resource_free(&screen->vp_exec_heap);
 152         nouveau_resource_free(&screen->vp_data_heap);
 153         nouveau_resource_free(&screen->query_heap);
 154         nouveau_notifier_free(&screen->query);
 155         nouveau_notifier_free(&screen->sync);
 156         nouveau_grobj_free(&screen->rankine);
 157
 158         FREE(pscreen);
 159 }
 160
 161 struct pipe_screen *
 162 nv30_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev)
 163 {
 164         struct nv30_screen *screen = CALLOC_STRUCT(nv30_screen);
 165         struct nouveau_channel *chan;
 166         struct pipe_screen *pscreen;
 167         struct nouveau_stateobj *so;
 168         unsigned rankine_class = 0;
 169         int ret, i;
 170
 171         if (!screen)
 172                 return NULL;
 173         pscreen = &screen->base.base;
 174
 175         ret = nouveau_screen_init(&screen->base, dev);
 176         if (ret) {
 177                 nv30_screen_destroy(pscreen);
 178                 return NULL;
 179         }
 180         chan = screen->base.channel;
 181
 182         pscreen->winsys = ws;
 183         pscreen->destroy = nv30_screen_destroy;
 184         pscreen->get_param = nv30_screen_get_param;
 185         pscreen->get_paramf = nv30_screen_get_paramf;
 186         pscreen->is_format_supported = nv30_screen_surface_format_supported;
 187
 188         nv30_screen_init_miptree_functions(pscreen);
 189         nv30_screen_init_transfer_functions(pscreen);
 190
 191         /* 3D object */
 192         switch (dev->chipset & 0xf0) {
 193         case 0x30:
 194                 if (NV30TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 195                         rankine_class = 0x0397;
 196                 else
 197                 if (NV34TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 198                         rankine_class = 0x0697;
 199                 else
 200                 if (NV35TCL_CHIPSET_3X_MASK & (1 << (dev->chipset & 0x0f)))
 201                         rankine_class = 0x0497;
 202                 break;
 203         default:
 204                 break;
 205         }
 206
 207         if (!rankine_class) {
 208                 NOUVEAU_ERR("Unknown nv3x chipset: nv%02x\n", dev->chipset);
 209                 return NULL;
 210         }
 211
 212         ret = nouveau_grobj_alloc(chan, 0xbeef3097, rankine_class,
 213                                   &screen->rankine);
 214         if (ret) {
 215                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 216                 return FALSE;
 217         }
 218         BIND_RING(chan, screen->rankine, 7);
 219
 220         /* 2D engine setup */
 221         screen->eng2d = nv04_surface_2d_init(&screen->base);
 222         screen->eng2d->buf = nv30_surface_buffer;
 223
 224         /* Notifier for sync purposes */
 225         ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync);
 226         if (ret) {
 227                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 228                 nv30_screen_destroy(pscreen);
 229                 return NULL;
 230         }
 231
 232         /* Query objects */
 233         ret = nouveau_notifier_alloc(chan, 0xbeef0302, 32, &screen->query);
 234         if (ret) {
 235                 NOUVEAU_ERR("Error initialising query objects: %d\n", ret);
 236                 nv30_screen_destroy(pscreen);
 237                 return NULL;
 238         }
 239
 240         ret = nouveau_resource_init(&screen->query_heap, 0, 32);
 241         if (ret) {
 242                 NOUVEAU_ERR("Error initialising query object heap: %d\n", ret);
 243                 nv30_screen_destroy(pscreen);
 244                 return NULL;
 245         }
 246
 247         /* Vtxprog resources */
 248         if (nouveau_resource_init(&screen->vp_exec_heap, 0, 256) ||
 249             nouveau_resource_init(&screen->vp_data_heap, 0, 256)) {
 250                 nv30_screen_destroy(pscreen);
 251                 return NULL;
 252         }
 253
 254         /* Static rankine initialisation */
 255         so = so_new(128, 0);
 256         so_method(so, screen->rankine, NV34TCL_DMA_NOTIFY, 1);
 257         so_data  (so, screen->sync->handle);
 258         so_method(so, screen->rankine, NV34TCL_DMA_TEXTURE0, 2);
 259         so_data  (so, chan->vram->handle);
 260         so_data  (so, chan->gart->handle);
 261         so_method(so, screen->rankine, NV34TCL_DMA_COLOR1, 1);
 262         so_data  (so, chan->vram->handle);
 263         so_method(so, screen->rankine, NV34TCL_DMA_COLOR0, 2);
 264         so_data  (so, chan->vram->handle);
 265         so_data  (so, chan->vram->handle);
 266         so_method(so, screen->rankine, NV34TCL_DMA_VTXBUF0, 2);
 267         so_data  (so, chan->vram->handle);
 268         so_data  (so, chan->gart->handle);
 269 /*      so_method(so, screen->rankine, NV34TCL_DMA_FENCE, 2);
 270         so_data  (so, 0);
 271         so_data  (so, screen->query->handle);*/
 272         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY7, 1);
 273         so_data  (so, chan->vram->handle);
 274         so_method(so, screen->rankine, NV34TCL_DMA_IN_MEMORY8, 1);
 275         so_data  (so, chan->vram->handle);
 276
 277         for (i=1; i<8; i++) {
 278                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(i), 1);
 279                 so_data  (so, 0);
 280                 so_method(so, screen->rankine, NV34TCL_VIEWPORT_CLIP_VERT(i), 1);
 281                 so_data  (so, 0);
 282         }
 283
 284         so_method(so, screen->rankine, 0x220, 1);
 285         so_data  (so, 1);
 286
 287         so_method(so, screen->rankine, 0x03b0, 1);
 288         so_data  (so, 0x00100000);
 289         so_method(so, screen->rankine, 0x1454, 1);
 290         so_data  (so, 0);
 291         so_method(so, screen->rankine, 0x1d80, 1);
 292         so_data  (so, 3);
 293         so_method(so, screen->rankine, 0x1450, 1);
 294         so_data  (so, 0x00030004);
 295
 296         /* NEW */
 297         so_method(so, screen->rankine, 0x1e98, 1);
 298         so_data  (so, 0);
 299         so_method(so, screen->rankine, 0x17e0, 3);
 300         so_data  (so, fui(0.0));
 301         so_data  (so, fui(0.0));
 302         so_data  (so, fui(1.0));
 303         so_method(so, screen->rankine, 0x1f80, 16);
 304         for (i=0; i<16; i++) {
 305                 so_data  (so, (i==8) ? 0x0000ffff : 0);
 306         }
 307
 308         so_method(so, screen->rankine, 0x120, 3);
 309         so_data  (so, 0);
 310         so_data  (so, 1);
 311         so_data  (so, 2);
 312
 313         so_method(so, screen->rankine, 0x1d88, 1);
 314         so_data  (so, 0x00001200);
 315
 316         so_method(so, screen->rankine, NV34TCL_RC_ENABLE, 1);
 317         so_data  (so, 0);
 318
 319         so_method(so, screen->rankine, NV34TCL_DEPTH_RANGE_NEAR, 2);
 320         so_data  (so, fui(0.0));
 321         so_data  (so, fui(1.0));
 322
 323         so_method(so, screen->rankine, NV34TCL_MULTISAMPLE_CONTROL, 1);
 324         so_data  (so, 0xffff0000);
 325
 326         /* enables use of vp rather than fixed-function somehow */
 327         so_method(so, screen->rankine, 0x1e94, 1);
 328         so_data  (so, 0x13);
 329
 330         so_emit(chan, so);
 331         so_ref(NULL, &so);
 332         nouveau_pushbuf_flush(chan, 0);
 333
 334         return pscreen;
 335 }