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 "util/u_format.h"
  24
  25 #include "nv50_context.h"
  26 #include "nouveau/nouveau_stateobj.h"
  27
  28 static struct nouveau_stateobj *
  29 validate_fb(struct nv50_context *nv50)
  30 {
  31         struct nouveau_grobj *tesla = nv50->screen->tesla;
  32         struct nouveau_stateobj *so = so_new(32, 79, 18);
  33         struct pipe_framebuffer_state *fb = &nv50->framebuffer;
  34         unsigned i, w, h, gw = 0;
  35
  36         /* Set nr of active RTs and select RT for each colour output.
  37          * FP result 0 always goes to RT[0], bits 4 - 6 are ignored.
  38          * Ambiguous assignment results in no rendering (no DATA_ERROR).
  39          */
  40         so_method(so, tesla, NV50TCL_RT_CONTROL, 1);
  41         so_data  (so, fb->nr_cbufs |
  42                   (0 <<  4) | (1 <<  7) | (2 << 10) | (3 << 13) |
  43                   (4 << 16) | (5 << 19) | (6 << 22) | (7 << 25));
  44
  45         for (i = 0; i < fb->nr_cbufs; i++) {
  46                 struct pipe_texture *pt = fb->cbufs[i]->texture;
  47                 struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
  48
  49                 if (!gw) {
  50                         w = fb->cbufs[i]->width;
  51                         h = fb->cbufs[i]->height;
  52                         gw = 1;
  53                 } else {
  54                         assert(w == fb->cbufs[i]->width);
  55                         assert(h == fb->cbufs[i]->height);
  56                 }
  57
  58                 so_method(so, tesla, NV50TCL_RT_HORIZ(i), 2);
  59                 so_data  (so, fb->cbufs[i]->width);
  60                 so_data  (so, fb->cbufs[i]->height);
  61
  62                 so_method(so, tesla, NV50TCL_RT_ADDRESS_HIGH(i), 5);
  63                 so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
  64                               NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
  65                 so_reloc (so, bo, fb->cbufs[i]->offset, NOUVEAU_BO_VRAM |
  66                               NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
  67                 switch (fb->cbufs[i]->format) {
  68                 case PIPE_FORMAT_B8G8R8A8_UNORM:
  69                         so_data(so, NV50TCL_RT_FORMAT_A8R8G8B8_UNORM);
  70                         break;
  71                 case PIPE_FORMAT_B8G8R8X8_UNORM:
  72                         so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
  73                         break;
  74                 case PIPE_FORMAT_B5G6R5_UNORM:
  75                         so_data(so, NV50TCL_RT_FORMAT_R5G6B5_UNORM);
  76                         break;
  77                 case PIPE_FORMAT_R16G16B16A16_SNORM:
  78                         so_data(so, NV50TCL_RT_FORMAT_R16G16B16A16_SNORM);
  79                         break;
  80                 case PIPE_FORMAT_R16G16B16A16_UNORM:
  81                         so_data(so, NV50TCL_RT_FORMAT_R16G16B16A16_UNORM);
  82                         break;
  83                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
  84                         so_data(so, NV50TCL_RT_FORMAT_R32G32B32A32_FLOAT);
  85                         break;
  86                 case PIPE_FORMAT_R16G16_SNORM:
  87                         so_data(so, NV50TCL_RT_FORMAT_R16G16_SNORM);
  88                         break;
  89                 case PIPE_FORMAT_R16G16_UNORM:
  90                         so_data(so, NV50TCL_RT_FORMAT_R16G16_UNORM);
  91                         break;
  92                 default:
  93                         NOUVEAU_ERR("AIIII unknown format %s\n",
  94                                     util_format_name(fb->cbufs[i]->format));
  95                         so_data(so, NV50TCL_RT_FORMAT_X8R8G8B8_UNORM);
  96                         break;
  97                 }
  98                 so_data(so, nv50_miptree(pt)->
  99                                 level[fb->cbufs[i]->level].tile_mode << 4);
 100                 so_data(so, 0x00000000);
 101
 102                 so_method(so, tesla, NV50TCL_RT_ARRAY_MODE, 1);
 103                 so_data  (so, 1);
 104         }
 105
 106         if (fb->zsbuf) {
 107                 struct pipe_texture *pt = fb->zsbuf->texture;
 108                 struct nouveau_bo *bo = nv50_miptree(pt)->base.bo;
 109
 110                 if (!gw) {
 111                         w = fb->zsbuf->width;
 112                         h = fb->zsbuf->height;
 113                         gw = 1;
 114                 } else {
 115                         assert(w == fb->zsbuf->width);
 116                         assert(h == fb->zsbuf->height);
 117                 }
 118
 119                 so_method(so, tesla, NV50TCL_ZETA_ADDRESS_HIGH, 5);
 120                 so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 121                               NOUVEAU_BO_HIGH | NOUVEAU_BO_RDWR, 0, 0);
 122                 so_reloc (so, bo, fb->zsbuf->offset, NOUVEAU_BO_VRAM |
 123                               NOUVEAU_BO_LOW | NOUVEAU_BO_RDWR, 0, 0);
 124                 switch (fb->zsbuf->format) {
 125                 case PIPE_FORMAT_Z24S8_UNORM:
 126                         so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
 127                         break;
 128                 case PIPE_FORMAT_Z24X8_UNORM:
 129                         so_data(so, NV50TCL_ZETA_FORMAT_X8Z24_UNORM);
 130                         break;
 131                 case PIPE_FORMAT_S8Z24_UNORM:
 132                         so_data(so, NV50TCL_ZETA_FORMAT_Z24S8_UNORM);
 133                         break;
 134                 case PIPE_FORMAT_Z32_FLOAT:
 135                         so_data(so, NV50TCL_ZETA_FORMAT_Z32_FLOAT);
 136                         break;
 137                 default:
 138                         NOUVEAU_ERR("AIIII unknown format %s\n",
 139                                     util_format_name(fb->zsbuf->format));
 140                         so_data(so, NV50TCL_ZETA_FORMAT_S8Z24_UNORM);
 141                         break;
 142                 }
 143                 so_data(so, nv50_miptree(pt)->
 144                                 level[fb->zsbuf->level].tile_mode << 4);
 145                 so_data(so, 0x00000000);
 146
 147                 so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
 148                 so_data  (so, 1);
 149                 so_method(so, tesla, NV50TCL_ZETA_HORIZ, 3);
 150                 so_data  (so, fb->zsbuf->width);
 151                 so_data  (so, fb->zsbuf->height);
 152                 so_data  (so, 0x00010001);
 153         } else {
 154                 so_method(so, tesla, NV50TCL_ZETA_ENABLE, 1);
 155                 so_data  (so, 0);
 156         }
 157
 158         so_method(so, tesla, NV50TCL_VIEWPORT_HORIZ(0), 2);
 159         so_data  (so, w << 16);
 160         so_data  (so, h << 16);
 161         /* set window lower left corner */
 162         so_method(so, tesla, NV50TCL_WINDOW_OFFSET_X, 2);
 163         so_data  (so, 0);
 164         so_data  (so, 0);
 165         /* set screen scissor rectangle */
 166         so_method(so, tesla, NV50TCL_SCREEN_SCISSOR_HORIZ, 2);
 167         so_data  (so, w << 16);
 168         so_data  (so, h << 16);
 169
 170         /* we set scissors to framebuffer size when they're 'turned off' */
 171         nv50->dirty |= NV50_NEW_SCISSOR;
 172         so_ref(NULL, &nv50->state.hw[12]);
 173         return so;
 174 }
 175
 176 static void
 177 nv50_validate_samplers(struct nv50_context *nv50, struct nouveau_stateobj *so,
 178                        unsigned p)
 179 {
 180         struct nouveau_grobj *eng2d = nv50->screen->eng2d;
 181         unsigned i, j, dw = nv50->sampler_nr[p] * 8;
 182
 183         if (!dw)
 184                 return;
 185         nv50_so_init_sifc(nv50, so, nv50->screen->tsc, NOUVEAU_BO_VRAM,
 186                           p * (32 * 8 * 4), dw * 4);
 187
 188         so_method(so, eng2d, NV50_2D_SIFC_DATA | (2 << 29), dw);
 189
 190         for (i = 0; i < nv50->sampler_nr[p]; ++i) {
 191                 if (nv50->sampler[p][i])
 192                         so_datap(so, nv50->sampler[p][i]->tsc, 8);
 193                 else {
 194                         for (j = 0; j < 8; ++j) /* you get punished */
 195                                 so_data(so, 0); /* ... for leaving holes */
 196                 }
 197         }
 198 }
 199
 200 static struct nouveau_stateobj *
 201 validate_blend(struct nv50_context *nv50)
 202 {
 203         struct nouveau_stateobj *so = NULL;
 204         so_ref(nv50->blend->so, &so);
 205         return so;
 206 }
 207
 208 static struct nouveau_stateobj *
 209 validate_zsa(struct nv50_context *nv50)
 210 {
 211         struct nouveau_stateobj *so = NULL;
 212         so_ref(nv50->zsa->so, &so);
 213         return so;
 214 }
 215
 216 static struct nouveau_stateobj *
 217 validate_rast(struct nv50_context *nv50)
 218 {
 219         struct nouveau_stateobj *so = NULL;
 220         so_ref(nv50->rasterizer->so, &so);
 221         return so;
 222 }
 223
 224 static struct nouveau_stateobj *
 225 validate_blend_colour(struct nv50_context *nv50)
 226 {
 227         struct nouveau_grobj *tesla = nv50->screen->tesla;
 228         struct nouveau_stateobj *so = so_new(1, 4, 0);
 229
 230         so_method(so, tesla, NV50TCL_BLEND_COLOR(0), 4);
 231         so_data  (so, fui(nv50->blend_colour.color[0]));
 232         so_data  (so, fui(nv50->blend_colour.color[1]));
 233         so_data  (so, fui(nv50->blend_colour.color[2]));
 234         so_data  (so, fui(nv50->blend_colour.color[3]));
 235         return so;
 236 }
 237
 238 static struct nouveau_stateobj *
 239 validate_stencil_ref(struct nv50_context *nv50)
 240 {
 241         struct nouveau_grobj *tesla = nv50->screen->tesla;
 242         struct nouveau_stateobj *so = so = so_new(2, 2, 0);
 243
 244         so_method(so, tesla, NV50TCL_STENCIL_FRONT_FUNC_REF, 1);
 245         so_data  (so, nv50->stencil_ref.ref_value[0]);
 246         so_method(so, tesla, NV50TCL_STENCIL_BACK_FUNC_REF, 1);
 247         so_data  (so, nv50->stencil_ref.ref_value[1]);
 248         return so;
 249 }
 250
 251 static struct nouveau_stateobj *
 252 validate_stipple(struct nv50_context *nv50)
 253 {
 254         struct nouveau_grobj *tesla = nv50->screen->tesla;
 255         struct nouveau_stateobj *so = so_new(1, 32, 0);
 256         int i;
 257
 258         so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
 259         for (i = 0; i < 32; i++)
 260                 so_data(so, util_bswap32(nv50->stipple.stipple[i]));
 261         return so;
 262 }
 263
 264 static struct nouveau_stateobj *
 265 validate_scissor(struct nv50_context *nv50)
 266 {
 267         struct pipe_rasterizer_state *rast = &nv50->rasterizer->pipe;
 268         struct pipe_scissor_state *s = &nv50->scissor;
 269         struct nouveau_grobj *tesla = nv50->screen->tesla;
 270         struct nouveau_stateobj *so;
 271
 272         if (nv50->state.hw[12] &&
 273             (rast->scissor == 0 && nv50->state.scissor_enabled == 0))
 274                 return NULL;
 275         nv50->state.scissor_enabled = rast->scissor;
 276
 277         so = so_new(1, 2, 0);
 278         so_method(so, tesla, NV50TCL_SCISSOR_HORIZ(0), 2);
 279         if (nv50->state.scissor_enabled) {
 280                 so_data(so, (s->maxx << 16) | s->minx);
 281                 so_data(so, (s->maxy << 16) | s->miny);
 282         } else {
 283                 so_data(so, (nv50->framebuffer.width << 16));
 284                 so_data(so, (nv50->framebuffer.height << 16));
 285         }
 286
 287         return so;
 288 }
 289
 290 static struct nouveau_stateobj *
 291 validate_viewport(struct nv50_context *nv50)
 292 {
 293         struct nouveau_grobj *tesla = nv50->screen->tesla;
 294         struct nouveau_stateobj *so = so_new(5, 9, 0);
 295
 296         so_method(so, tesla, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
 297         so_data  (so, fui(nv50->viewport.translate[0]));
 298         so_data  (so, fui(nv50->viewport.translate[1]));
 299         so_data  (so, fui(nv50->viewport.translate[2]));
 300         so_method(so, tesla, NV50TCL_VIEWPORT_SCALE_X(0), 3);
 301         so_data  (so, fui(nv50->viewport.scale[0]));
 302         so_data  (so, fui(nv50->viewport.scale[1]));
 303         so_data  (so, fui(nv50->viewport.scale[2]));
 304
 305         so_method(so, tesla, NV50TCL_VIEWPORT_TRANSFORM_EN, 1);
 306         so_data  (so, 1);
 307         /* 0x0000 = remove whole primitive only (xyz)
 308          * 0x1018 = remove whole primitive only (xy), clamp z
 309          * 0x1080 = clip primitive (xyz)
 310          * 0x1098 = clip primitive (xy), clamp z
 311          */
 312         so_method(so, tesla, NV50TCL_VIEW_VOLUME_CLIP_CTRL, 1);
 313         so_data  (so, 0x1080);
 314         /* no idea what 0f90 does */
 315         so_method(so, tesla, 0x0f90, 1);
 316         so_data  (so, 0);
 317
 318         return so;
 319 }
 320
 321 static struct nouveau_stateobj *
 322 validate_sampler(struct nv50_context *nv50)
 323 {
 324         struct nouveau_grobj *tesla = nv50->screen->tesla;
 325         struct nouveau_stateobj *so;
 326         unsigned nr = 0, i;
 327
 328         for (i = 0; i < PIPE_SHADER_TYPES; ++i)
 329                 nr += nv50->sampler_nr[i];
 330
 331         so = so_new(1 + 5 * PIPE_SHADER_TYPES,
 332                     1 + 19 * PIPE_SHADER_TYPES + nr * 8,
 333                     PIPE_SHADER_TYPES * 2);
 334
 335         nv50_validate_samplers(nv50, so, PIPE_SHADER_VERTEX);
 336         nv50_validate_samplers(nv50, so, PIPE_SHADER_FRAGMENT);
 337
 338         so_method(so, tesla, 0x1334, 1); /* flush TSC */
 339         so_data  (so, 0);
 340
 341         return so;
 342 }
 343
 344 static struct nouveau_stateobj *
 345 validate_vtxbuf(struct nv50_context *nv50)
 346 {
 347         struct nouveau_stateobj *so = NULL;
 348         so_ref(nv50->state.vtxbuf, &so);
 349         return so;
 350 }
 351
 352 static struct nouveau_stateobj *
 353 validate_vtxattr(struct nv50_context *nv50)
 354 {
 355         struct nouveau_stateobj *so = NULL;
 356         so_ref(nv50->state.vtxattr, &so);
 357         return so;
 358 }
 359
 360 struct state_validate {
 361         struct nouveau_stateobj *(*func)(struct nv50_context *nv50);
 362         unsigned states;
 363 } validate_list[] = {
 364         { validate_fb             , NV50_NEW_FRAMEBUFFER                      },
 365         { validate_blend          , NV50_NEW_BLEND                            },
 366         { validate_zsa            , NV50_NEW_ZSA                              },
 367         { nv50_vertprog_validate  , NV50_NEW_VERTPROG | NV50_NEW_VERTPROG_CB  },
 368         { nv50_fragprog_validate  , NV50_NEW_FRAGPROG | NV50_NEW_FRAGPROG_CB  },
 369         { nv50_geomprog_validate  , NV50_NEW_GEOMPROG | NV50_NEW_GEOMPROG_CB  },
 370         { nv50_fp_linkage_validate, NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG |
 371                                     NV50_NEW_FRAGPROG | NV50_NEW_RASTERIZER   },
 372         { nv50_gp_linkage_validate, NV50_NEW_VERTPROG | NV50_NEW_GEOMPROG     },
 373         { validate_rast           , NV50_NEW_RASTERIZER                       },
 374         { validate_blend_colour   , NV50_NEW_BLEND_COLOUR                     },
 375         { validate_stencil_ref    , NV50_NEW_STENCIL_REF                      },
 376         { validate_stipple        , NV50_NEW_STIPPLE                          },
 377         { validate_scissor        , NV50_NEW_SCISSOR | NV50_NEW_RASTERIZER    },
 378         { validate_viewport       , NV50_NEW_VIEWPORT                         },
 379         { validate_sampler        , NV50_NEW_SAMPLER                          },
 380         { nv50_tex_validate       , NV50_NEW_TEXTURE | NV50_NEW_SAMPLER       },
 381         { nv50_vbo_validate       , NV50_NEW_ARRAYS                           },
 382         { validate_vtxbuf         , NV50_NEW_ARRAYS                           },
 383         { validate_vtxattr        , NV50_NEW_ARRAYS                           },
 384         {}
 385 };
 386 #define validate_list_len (sizeof(validate_list) / sizeof(validate_list[0]))
 387
 388 void
 389 nv50_state_flush_notify(struct nouveau_channel *chan)
 390 {
 391         struct nv50_context *nv50 = chan->user_private;
 392
 393         nv50_tex_relocs(nv50);
 394
 395         so_emit_reloc_markers(chan, nv50->state.hw[0]); /* fb */
 396         so_emit_reloc_markers(chan, nv50->state.hw[3]); /* vp */
 397         so_emit_reloc_markers(chan, nv50->state.hw[4]); /* fp */
 398         so_emit_reloc_markers(chan, nv50->state.hw[17]); /* vb */
 399         so_emit_reloc_markers(chan, nv50->screen->static_init);
 400
 401 #if 0
 402         if (nv50->state.instbuf)
 403                 so_emit_reloc_markers(chan, nv50->state.instbuf);
 404 #endif
 405 }
 406
 407 boolean
 408 nv50_state_validate(struct nv50_context *nv50)
 409 {
 410         struct nouveau_channel *chan = nv50->screen->base.channel;
 411         int i;
 412
 413         if (nv50->screen->cur_ctx != nv50) {
 414                 for (i = 0; i < validate_list_len; i++) {
 415                         if (nv50->state.hw[i])
 416                                 nv50->state.hw_dirty |= (1 << i);
 417                 }
 418
 419                 nv50->screen->cur_ctx = nv50;
 420         }
 421
 422         for (i = 0; i < validate_list_len; i++) {
 423                 struct state_validate *validate = &validate_list[i];
 424                 struct nouveau_stateobj *so;
 425
 426                 if (!(nv50->dirty & validate->states))
 427                         continue;
 428
 429                 so = validate->func(nv50);
 430                 if (!so)
 431                         continue;
 432
 433                 so_ref(so, &nv50->state.hw[i]);
 434                 so_ref(NULL, &so);
 435                 nv50->state.hw_dirty |= (1 << i);
 436         }
 437         nv50->dirty = 0;
 438
 439         while (nv50->state.hw_dirty) {
 440                 i = ffs(nv50->state.hw_dirty) - 1;
 441                 nv50->state.hw_dirty &= ~(1 << i);
 442
 443                 so_emit(chan, nv50->state.hw[i]);
 444         }
 445
 446         return TRUE;
 447 }
 448
 449 void nv50_so_init_sifc(struct nv50_context *nv50,
 450                        struct nouveau_stateobj *so,
 451                        struct nouveau_bo *bo, unsigned reloc,
 452                        unsigned offset, unsigned size)
 453 {
 454         struct nouveau_grobj *eng2d = nv50->screen->eng2d;
 455
 456         reloc |= NOUVEAU_BO_WR;
 457
 458         so_method(so, eng2d, NV50_2D_DST_FORMAT, 2);
 459         so_data  (so, NV50_2D_DST_FORMAT_R8_UNORM);
 460         so_data  (so, 1);
 461         so_method(so, eng2d, NV50_2D_DST_PITCH, 5);
 462         so_data  (so, 262144);
 463         so_data  (so, 65536);
 464         so_data  (so, 1);
 465         so_reloc (so, bo, offset, reloc | NOUVEAU_BO_HIGH, 0, 0);
 466         so_reloc (so, bo, offset, reloc | NOUVEAU_BO_LOW, 0, 0);
 467         so_method(so, eng2d, NV50_2D_SIFC_BITMAP_ENABLE, 2);
 468         so_data  (so, 0);
 469         so_data  (so, NV50_2D_SIFC_FORMAT_R8_UNORM);
 470         so_method(so, eng2d, NV50_2D_SIFC_WIDTH, 10);
 471         so_data  (so, size);
 472         so_data  (so, 1);
 473         so_data  (so, 0);
 474         so_data  (so, 1);
 475         so_data  (so, 0);
 476         so_data  (so, 1);
 477         so_data  (so, 0);
 478         so_data  (so, 0);
 479         so_data  (so, 0);
 480         so_data  (so, 0);
 481 }