src/gallium/drivers/nv50/nv50_state_validate.c

   1 /*
   2  * Copyright 2008 Ben Skeggs
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include "nv50_context.h"
  24 #include "nouveau/nouveau_stateobj.h"
  25
  26 #define NV50_CBUF_FORMAT_CASE(n) \
  27         case PIPE_FORMAT_##n: so_data(so, NV50TCL_RT_FORMAT_##n); break
  28
  29 #define NV50_ZETA_FORMAT_CASE(n) \
  30         case PIPE_FORMAT_##n: so_data(so, NV50TCL_ZETA_FORMAT_##n); break
  31
  32 static void
  33 nv50_state_validate_fb(struct nv50_context *nv50)
  34 {
  35         struct nouveau_grobj *tesla = nv50->screen->tesla;
  36         struct nouveau_stateobj *so = so_new(32, 79, 18);
  37         struct pipe_framebuffer_state *fb = &nv50->framebuffer;
  38         unsigned i, w, h, gw = 0;
  39
  40         /* Set nr of active RTs and select RT for each colour output.
  41          * FP result 0 always goes to RT[0], bits 4 - 6 are ignored.
  42          * Ambiguous assignment results in no rendering (no DATA_ERROR).
  43          */
  44         so_method(so, tesla, NV50TCL_RT_CONTROL, 1);
  45         so_data  (so, fb->nr_cbufs |
  46                   (0 <<  4) | (1 <<  7) | (2 << 10) | (3 << 13) |
  47                   (4 << 16) | (5 << 19) | (6 << 22) | (7 << 25));
  48
  49         for (i = 0; i < fb->nr_cbufs; i++) {
  50                 struct pipe_texture *pt = fb->cbufs[i]->texture;
  51                 struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
  52
  53                 if (!gw) {
  54                         w = fb->cbufs[i]->width;
  55                         h = fb->cbufs[i]->height;
  56                         gw = 1;
  57                 } else {
  58                         assert(w == fb->cbufs[i]->width);
  59                         assert(h == fb->cbufs[i]->height);
  60                 }
  61
  62                 so_method(so, tesla, NV50TCL_RT_HORIZ(i), 2);
  63                 so_data  (so, fb->cbufs[i]->width);
  64                 so_data  (so, fb->cbufs[i]->height);
  65
  66                 so_method(so, tesla, NV50TCL_RT_ADDRESS_HIGH(i), 5);
  67                 so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
  68                               NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
  69                 so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
  70                               NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
  71                 switch (fb->cbufs[i]->format) {
  72                 NV50_CBUF_FORMAT_CASE(A8R8G8B8_UNORM);
  73                 NV50_CBUF_FORMAT_CASE(X8R8G8B8_UNORM);
  74                 NV50_CBUF_FORMAT_CASE(R5G6B5_UNORM);
  75                 NV50_CBUF_FORMAT_CASE(R16G16B16A16_SNORM);
  76                 NV50_CBUF_FORMAT_CASE(R16G16B16A16_UNORM);
  77                 NV50_CBUF_FORMAT_CASE(R32G32B32A32_FLOAT);
  78                 NV50_CBUF_FORMAT_CASE(R16G16_SNORM);
  79                 NV50_CBUF_FORMAT_CASE(R16G16_UNORM);
  80                 default:
  81                         NOUVEAU_ERR("AIIII unknown format %s\n",
  82                                     pf_name(fb->cbufs[i]->format));
  83                         so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
  84                         break;
  85                 }
  86                 so_data(so, nv50_miptree(pt)->
  87                                 level[fb->cbufs[i]->level].tile_mode << 4);
  88                 so_data(so, 0x00000000);
  89
  90                 so_method(so, tesla, NV50TCL_RT_ARRAY_MODE, 1);
  91                 so_data  (so, 1);
  92         }
  93
  94         if (fb->zsbuf) {
  95                 struct pipe_texture *pt = fb->zsbuf->texture;
  96                 struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
  97
  98                 if (!gw) {
  99                         w = fb->zsbuf->width;
 100                         h = fb->zsbuf->height;
 101                         gw = 1;
 102                 } else {
 103                         assert(w == fb->zsbuf->width);
 104                         assert(h == fb->zsbuf->height);
 105                 }
 106
 107                 so_method(so, tesla, NV50TCL_ZETA_ADDRESS_HIGH, 5);
 108                 so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 109                               NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
 110                 so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 111                               NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
 112                 switch (fb->zsbuf->format) {
 113                 NV50_ZETA_FORMAT_CASE(S8Z24_UNORM);
 114                 NV50_ZETA_FORMAT_CASE(X8Z24_UNORM);
 115                 NV50_ZETA_FORMAT_CASE(Z24S8_UNORM);
 116                 NV50_ZETA_FORMAT_CASE(Z32_FLOAT);
 117                 default:
 118                         NOUVEAU_ERR("AIIII unknown format %s\n",
 119                                     pf_name(fb->zsbuf->format));
 120                         so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
 121                         break;
 122                 }
 123                 so_data(so, nv50_miptree(pt)->
 124                                 level[fb->zsbuf->level].tile_mode << 4);
 125                 so_data(so, 0x00000000);
 126
 127                 so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
 128                 so_data  (so, 1);
 129                 so_method(so, tesla, NV50TCL_ZETA_HORIZ, 3);
 130                 so_data  (so, fb->zsbuf->width);
 131                 so_data  (so, fb->zsbuf->height);
 132                 so_data  (so, 0x00010001);
 133         } else {
 134                 so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
 135                 so_data  (so, 0);
 136         }
 137
 138         so_method(so, tesla, NV50TCL_VIEWPORT_HORIZ(0), 2);
 139         so_data  (so, w << 16);
 140         so_data  (so, h << 16);
 141         /* set window lower left corner */
 142         so_method(so, tesla, NV50TCL_WINDOW_OFFSET_X, 2);
 143         so_data  (so, 0);
 144         so_data  (so, 0);
 145         /* set screen scissor rectangle */
 146         so_method(so, tesla, NV50TCL_SCREEN_SCISSOR_HORIZ, 2);
 147         so_data  (so, w << 16);
 148         so_data  (so, h << 16);
 149
 150         /* we set scissors to framebuffer size when they're 'turned off' */
 151         nv50->dirty |= NV50_NEW_SCISSOR;
 152         so_ref(NULL, &nv50->state.scissor);
 153
 154         so_ref(so, &nv50->state.fb);
 155         so_ref(NULL, &so);
 156 }
 157
 158 static void
 159 nv50_validate_samplers(struct nv50_context *nv50, struct nouveau_stateobj *so,
 160                        unsigned p)
 161 {
 162         struct nouveau_grobj *eng2d = nv50->screen->eng2d;
 163         unsigned i, j, dw = nv50->sampler_nr[p] * 8;
 164
 165         if (!dw)
 166                 return;
 167         nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
 168                           p * (32 * 8 * 4), dw * 4);
 169
 170         so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), dw);
 171
 172         for (i = 0; i < nv50->sampler_nr[p]; ++i) {
 173                 if (nv50->sampler[p][i])
 174                         so_datap(so, nv50->sampler[p][i]->tsc, 8);
 175                 else {
 176                         for (j = 0; j < 8; ++j) /* you get punished */
 177                                 so_data(so, 0); /* ... for leaving holes */
 178                 }
 179         }
 180 }
 181
 182 static void
 183 nv50_state_emit(struct nv50_context *nv50)
 184 {
 185         struct nv50_screen *screen = nv50->screen;
 186         struct nouveau_channel *chan = screen->base.channel;
 187
 188         /* XXX: this is racy for multiple contexts active on separate
 189          * threads.
 190          */
 191         if (screen->cur_ctx != nv50) {
 192                 if (nv50->state.fb)
 193                         nv50->state.dirty |= NV50_NEW_FRAMEBUFFER;
 194                 if (nv50->state.blend)
 195                         nv50->state.dirty |= NV50_NEW_BLEND;
 196                 if (nv50->state.zsa)
 197                         nv50->state.dirty |= NV50_NEW_ZSA;
 198                 if (nv50->state.vertprog)
 199                         nv50->state.dirty |= NV50_NEW_VERTPROG;
 200                 if (nv50->state.fragprog)
 201                         nv50->state.dirty |= NV50_NEW_FRAGPROG;
 202                 if (nv50->state.geomprog)
 203                         nv50->state.dirty |= NV50_NEW_GEOMPROG;
 204                 if (nv50->state.rast)
 205                         nv50->state.dirty |= NV50_NEW_RASTERIZER;
 206                 if (nv50->state.blend_colour)
 207                         nv50->state.dirty |= NV50_NEW_BLEND_COLOUR;
 208                 if (nv50->state.stencil_ref)
 209                         nv50->state.dirty |= NV50_NEW_STENCIL_REF;
 210                 if (nv50->state.stipple)
 211                         nv50->state.dirty |= NV50_NEW_STIPPLE;
 212                 if (nv50->state.scissor)
 213                         nv50->state.dirty |= NV50_NEW_SCISSOR;
 214                 if (nv50->state.viewport)
 215                         nv50->state.dirty |= NV50_NEW_VIEWPORT;
 216                 if (nv50->state.tsc_upload)
 217                         nv50->state.dirty |= NV50_NEW_SAMPLER;
 218                 if (nv50->state.tic_upload)
 219                         nv50->state.dirty |= NV50_NEW_TEXTURE;
 220                 if (nv50->state.vtxfmt && nv50->state.vtxbuf)
 221                         nv50->state.dirty |= NV50_NEW_ARRAYS;
 222                 screen->cur_ctx = nv50;
 223         }
 224
 225         if (nv50->state.dirty & NV50_NEW_FRAMEBUFFER)
 226                 so_emit(chan, nv50->state.fb);
 227         if (nv50->state.dirty & NV50_NEW_BLEND)
 228                 so_emit(chan, nv50->state.blend);
 229         if (nv50->state.dirty & NV50_NEW_ZSA)
 230                 so_emit(chan, nv50->state.zsa);
 231         if (nv50->state.dirty & NV50_NEW_VERTPROG)
 232                 so_emit(chan, nv50->state.vertprog);
 233         if (nv50->state.dirty & NV50_NEW_FRAGPROG)
 234                 so_emit(chan, nv50->state.fragprog);
 235         if (nv50->state.dirty & NV50_NEW_GEOMPROG && nv50->state.geomprog)
 236                 so_emit(chan, nv50->state.geomprog);
 237         if (nv50->state.dirty & (NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
 238                                  NV50_NEW_GEOMPROG | NV50_NEW_RASTERIZER))
 239                 so_emit(chan, nv50->state.fp_linkage);
 240         if ((nv50->state.dirty & (NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG))
 241             && nv50->state.gp_linkage)
 242                 so_emit(chan, nv50->state.gp_linkage);
 243         if (nv50->state.dirty & NV50_NEW_RASTERIZER)
 244                 so_emit(chan, nv50->state.rast);
 245         if (nv50->state.dirty & NV50_NEW_BLEND_COLOUR)
 246                 so_emit(chan, nv50->state.blend_colour);
 247         if (nv50->state.dirty & NV50_NEW_STENCIL_REF)
 248                 so_emit(chan, nv50->state.stencil_ref);
 249         if (nv50->state.dirty & NV50_NEW_STIPPLE)
 250                 so_emit(chan, nv50->state.stipple);
 251         if (nv50->state.dirty & NV50_NEW_SCISSOR)
 252                 so_emit(chan, nv50->state.scissor);
 253         if (nv50->state.dirty & NV50_NEW_VIEWPORT)
 254                 so_emit(chan, nv50->state.viewport);
 255         if (nv50->state.dirty & NV50_NEW_SAMPLER)
 256                 so_emit(chan, nv50->state.tsc_upload);
 257         if (nv50->state.dirty & NV50_NEW_TEXTURE)
 258                 so_emit(chan, nv50->state.tic_upload);
 259         if (nv50->state.dirty & NV50_NEW_ARRAYS) {
 260                 so_emit(chan, nv50->state.vtxfmt);
 261                 so_emit(chan, nv50->state.vtxbuf);
 262                 if (nv50->state.vtxattr)
 263                         so_emit(chan, nv50->state.vtxattr);
 264         }
 265         nv50->state.dirty = 0;
 266 }
 267
 268 void
 269 nv50_state_flush_notify(struct nouveau_channel *chan)
 270 {
 271         struct nv50_context *nv50 = chan->user_private;
 272
 273         if (nv50->state.tic_upload && !(nv50->dirty & NV50_NEW_TEXTURE))
 274                 so_emit(chan, nv50->state.tic_upload);
 275
 276         so_emit_reloc_markers(chan, nv50->state.fb);
 277         so_emit_reloc_markers(chan, nv50->state.vertprog);
 278         so_emit_reloc_markers(chan, nv50->state.fragprog);
 279         so_emit_reloc_markers(chan, nv50->state.vtxbuf);
 280         so_emit_reloc_markers(chan, nv50->screen->static_init);
 281
 282         if (nv50->state.instbuf)
 283                 so_emit_reloc_markers(chan, nv50->state.instbuf);
 284 }
 285
 286 boolean
 287 nv50_state_validate(struct nv50_context *nv50)
 288 {
 289         struct nouveau_grobj *tesla = nv50->screen->tesla;
 290         struct nouveau_stateobj *so;
 291         unsigned i;
 292
 293         if (nv50->dirty & NV50_NEW_FRAMEBUFFER)
 294                 nv50_state_validate_fb(nv50);
 295
 296         if (nv50->dirty & NV50_NEW_BLEND)
 297                 so_ref(nv50->blend->so, &nv50->state.blend);
 298
 299         if (nv50->dirty & NV50_NEW_ZSA)
 300                 so_ref(nv50->zsa->so, &nv50->state.zsa);
 301
 302         if (nv50->dirty & (NV50_NEW_VERTPROG | NV50_NEW_VERTPROG_CB))
 303                 nv50_vertprog_validate(nv50);
 304
 305         if (nv50->dirty & (NV50_NEW_FRAGPROG | NV50_NEW_FRAGPROG_CB))
 306                 nv50_fragprog_validate(nv50);
 307
 308         if (nv50->dirty & (NV50_NEW_GEOMPROG | NV50_NEW_GEOMPROG_CB))
 309                 nv50_geomprog_validate(nv50);
 310
 311         if (nv50->dirty & (NV50_NEW_FRAGPROG | NV50_NEW_VERTPROG |
 312                            NV50_NEW_GEOMPROG | NV50_NEW_RASTERIZER))
 313                 nv50_fp_linkage_validate(nv50);
 314
 315         if (nv50->dirty & (NV50_NEW_GEOMPROG | NV50_NEW_VERTPROG))
 316                 nv50_gp_linkage_validate(nv50);
 317
 318         if (nv50->dirty & NV50_NEW_RASTERIZER)
 319                 so_ref(nv50->rasterizer->so, &nv50->state.rast);
 320
 321         if (nv50->dirty & NV50_NEW_BLEND_COLOUR) {
 322                 so = so_new(1, 4, 0);
 323                 so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
 324                 so_data  (so, fui(nv50->blend_colour.color[0]));
 325                 so_data  (so, fui(nv50->blend_colour.color[1]));
 326                 so_data  (so, fui(nv50->blend_colour.color[2]));
 327                 so_data  (so, fui(nv50->blend_colour.color[3]));
 328                 so_ref(so, &nv50->state.blend_colour);
 329                 so_ref(NULL, &so);
 330         }
 331
 332         if (nv50->dirty & NV50_NEW_STENCIL_REF) {
 333                 so = so_new(2, 2, 0);
 334                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_FUNC_REF, 1);
 335                 so_data  (so, nv50->stencil_ref.ref_value[0]);
 336                 so_method(so, tesla, NV50TCL_STENCIL_BACK_FUNC_REF, 1);
 337                 so_data  (so, nv50->stencil_ref.ref_value[1]);
 338                 so_ref(so, &nv50->state.stencil_ref);
 339                 so_ref(NULL, &so);
 340         }
 341
 342         if (nv50->dirty & NV50_NEW_STIPPLE) {
 343                 so = so_new(1, 32, 0);
 344                 so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
 345                 for (i = 0; i < 32; i++)
 346                         so_data(so, util_bswap32(nv50->stipple.stipple[i]));
 347                 so_ref(so, &nv50->state.stipple);
 348                 so_ref(NULL, &so);
 349         }
 350
 351         if (nv50->dirty & (NV50_NEW_SCISSOR | NV50_NEW_RASTERIZER)) {
 352                 struct pipe_rasterizer_state *rast = &nv50->rasterizer->pipe;
 353                 struct pipe_scissor_state *s = &nv50->scissor;
 354
 355                 if (nv50->state.scissor &&
 356                     (rast->scissor == 0 && nv50->state.scissor_enabled == 0))
 357                         goto scissor_uptodate;
 358                 nv50->state.scissor_enabled = rast->scissor;
 359
 360                 so = so_new(1, 2, 0);
 361                 so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
 362                 if (nv50->state.scissor_enabled) {
 363                         so_data(so, (s->maxx << 16) | s->minx);
 364                         so_data(so, (s->maxy << 16) | s->miny);
 365                 } else {
 366                         so_data(so, (nv50->framebuffer.width << 16));
 367                         so_data(so, (nv50->framebuffer.height << 16));
 368                 }
 369                 so_ref(so, &nv50->state.scissor);
 370                 so_ref(NULL, &so);
 371                 nv50->state.dirty |= NV50_NEW_SCISSOR;
 372         }
 373 scissor_uptodate:
 374
 375         if (nv50->dirty & (NV50_NEW_VIEWPORT | NV50_NEW_RASTERIZER)) {
 376                 unsigned bypass;
 377
 378                 if (!nv50->rasterizer->pipe.bypass_vs_clip_and_viewport)
 379                         bypass = 0;
 380                 else
 381                         bypass = 1;
 382
 383                 if (nv50->state.viewport &&
 384                     (bypass || !(nv50->dirty & NV50_NEW_VIEWPORT)) &&
 385                     nv50->state.viewport_bypass == bypass)
 386                         goto viewport_uptodate;
 387                 nv50->state.viewport_bypass = bypass;
 388
 389                 so = so_new(5, 9, 0);
 390                 if (!bypass) {
 391                         so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
 392                         so_data  (so, fui(nv50->viewport.translate[0]));
 393                         so_data  (so, fui(nv50->viewport.translate[1]));
 394                         so_data  (so, fui(nv50->viewport.translate[2]));
 395                         so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
 396                         so_data  (so, fui(nv50->viewport.scale[0]));
 397                         so_data  (so, fui(nv50->viewport.scale[1]));
 398                         so_data  (so, fui(nv50->viewport.scale[2]));
 399
 400                         so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
 401                         so_data  (so, 1);
 402                         /* 0x0000 = remove whole primitive only (xyz)
 403                          * 0x1018 = remove whole primitive only (xy), clamp z
 404                          * 0x1080 = clip primitive (xyz)
 405                          * 0x1098 = clip primitive (xy), clamp z
 406                          */
 407                         so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
 408                         so_data  (so, 0x1080);
 409                         /* no idea what 0f90 does */
 410                         so_method(so, tesla, 0x0f90, 1);
 411                         so_data  (so, 0);
 412                 } else {
 413                         so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
 414                         so_data  (so, 0);
 415                         so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
 416                         so_data  (so, 0x0000);
 417                         so_method(so, tesla, 0x0f90, 1);
 418                         so_data  (so, 1);
 419                 }
 420
 421                 so_ref(so, &nv50->state.viewport);
 422                 so_ref(NULL, &so);
 423                 nv50->state.dirty |= NV50_NEW_VIEWPORT;
 424         }
 425 viewport_uptodate:
 426
 427         if (nv50->dirty & NV50_NEW_SAMPLER) {
 428                 unsigned nr = 0;
 429
 430                 for (i = 0; i < PIPE_SHADER_TYPES; ++i)
 431                         nr += nv50->sampler_nr[i];
 432
 433                 so = so_new(1 + 5 * PIPE_SHADER_TYPES,
 434                             1 + 19 * PIPE_SHADER_TYPES + nr * 8,
 435                             PIPE_SHADER_TYPES * 2);
 436
 437                 nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
 438                 nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);
 439
 440                 so_method(so, tesla, 0x1334, 1); /* flush TSC */
 441                 so_data  (so, 0);
 442
 443                 so_ref(so, &nv50->state.tsc_upload);
 444                 so_ref(NULL, &so);
 445         }
 446
 447         if (nv50->dirty & (NV50_NEW_TEXTURE | NV50_NEW_SAMPLER))
 448                 nv50_tex_validate(nv50);
 449
 450         if (nv50->dirty & NV50_NEW_ARRAYS)
 451                 nv50_vbo_validate(nv50);
 452
 453         nv50->state.dirty |= nv50->dirty;
 454         nv50->dirty = 0;
 455         nv50_state_emit(nv50);
 456
 457         return TRUE;
 458 }
 459
 460 void nv50_so_init_sifc(struct nv50_context *nv50,
 461                        struct nouveau_stateobj *so,
 462                        struct nouveau_bo *bo, unsigned reloc,
 463                        unsigned offset, unsigned size)
 464 {
 465         struct nouveau_grobj *eng2d = nv50->screen->eng2d;
 466
 467         reloc |= NOUVEAU_BO_WR;
 468
 469         so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
 470         so_data  (so, NV50_2D_DST_FORMAT_R8_UNORM);
 471         so_data  (so, 1);
 472         so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
 473         so_data  (so, 262144);
 474         so_data  (so, 65536);
 475         so_data  (so, 1);
 476         so_reloc (so, bo, offset, reloc | NOUVEAU_BO_HIGH, 0, 0);
 477         so_reloc (so, bo, offset, reloc | NOUVEAU_BO_LOW, 0, 0);
 478         so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
 479         so_data  (so, 0);
 480         so_data  (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
 481         so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
 482         so_data  (so, size);
 483         so_data  (so, 1);
 484         so_data  (so, 0);
 485         so_data  (so, 1);
 486         so_data  (so, 0);
 487         so_data  (so, 1);
 488         so_data  (so, 0);
 489         so_data  (so, 0);
 490         so_data  (so, 0);
 491         so_data  (so, 0);
 492 }