src/gallium/drivers/nv50/nv50_state.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 "pipe/p_state.h"
  24 #include "pipe/p_defines.h"
  25 #include "util/u_inlines.h"
  26
  27 #include "tgsi/tgsi_parse.h"
  28
  29 #include "nv50_context.h"
  30 #include "nv50_texture.h"
  31
  32 #include "nouveau/nouveau_stateobj.h"
  33
  34 static INLINE uint32_t
  35 nv50_colormask(unsigned mask)
  36 {
  37         uint32_t cmask = 0;
  38
  39         if (mask & PIPE_MASK_R)
  40                 cmask |= 0x0001;
  41         if (mask & PIPE_MASK_G)
  42                 cmask |= 0x0010;
  43         if (mask & PIPE_MASK_B)
  44                 cmask |= 0x0100;
  45         if (mask & PIPE_MASK_A)
  46                 cmask |= 0x1000;
  47
  48         return cmask;
  49 }
  50
  51 static void *
  52 nv50_blend_state_create(struct pipe_context *pipe,
  53                         const struct pipe_blend_state *cso)
  54 {
  55         struct nouveau_stateobj *so = so_new(5, 24, 0);
  56         struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
  57         struct nv50_blend_stateobj *bso = CALLOC_STRUCT(nv50_blend_stateobj);
  58         unsigned i, blend_enabled = 0;
  59
  60         /*XXX ignored:
  61          *      - dither
  62          */
  63
  64         so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
  65         if (cso->independent_blend_enable) {
  66                 for (i = 0; i < 8; ++i) {
  67                         so_data(so, cso->rt[i].blend_enable);
  68                         if (cso->rt[i].blend_enable)
  69                                 blend_enabled = 1;
  70                 }
  71         } else
  72         if (cso->rt[0].blend_enable) {
  73                 blend_enabled = 1;
  74                 for (i = 0; i < 8; i++)
  75                         so_data(so, 1);
  76         } else {
  77                 for (i = 0; i < 8; i++)
  78                         so_data(so, 0);
  79         }
  80         if (blend_enabled) {
  81                 so_method(so, tesla, NV50TCL_BLEND_EQUATION_RGB, 5);
  82                 so_data  (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
  83                 so_data  (so, 0x4000 | nvgl_blend_func(cso->rt[0].rgb_src_factor));
  84                 so_data  (so, 0x4000 | nvgl_blend_func(cso->rt[0].rgb_dst_factor));
  85                 so_data  (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
  86                 so_data  (so, 0x4000 | nvgl_blend_func(cso->rt[0].alpha_src_factor));
  87                 so_method(so, tesla, NV50TCL_BLEND_FUNC_DST_ALPHA, 1);
  88                 so_data  (so, 0x4000 | nvgl_blend_func(cso->rt[0].alpha_dst_factor));
  89         }
  90
  91         if (cso->logicop_enable == 0 ) {
  92                 so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 1);
  93                 so_data  (so, 0);
  94         } else {
  95                 so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 2);
  96                 so_data  (so, 1);
  97                 so_data  (so, nvgl_logicop_func(cso->logicop_func));
  98         }
  99
 100         so_method(so, tesla, NV50TCL_COLOR_MASK(0), 8);
 101         if (cso->independent_blend_enable)
 102                 for (i = 0; i < 8; ++i)
 103                         so_data(so, nv50_colormask(cso->rt[i].colormask));
 104         else {
 105                 uint32_t cmask = nv50_colormask(cso->rt[0].colormask);
 106                 for (i = 0; i < 8; i++)
 107                         so_data(so, cmask);
 108         }
 109
 110         bso->pipe = *cso;
 111         so_ref(so, &bso->so);
 112         so_ref(NULL, &so);
 113         return (void *)bso;
 114 }
 115
 116 static void
 117 nv50_blend_state_bind(struct pipe_context *pipe, void *hwcso)
 118 {
 119         struct nv50_context *nv50 = nv50_context(pipe);
 120
 121         nv50->blend = hwcso;
 122         nv50->dirty |= NV50_NEW_BLEND;
 123 }
 124
 125 static void
 126 nv50_blend_state_delete(struct pipe_context *pipe, void *hwcso)
 127 {
 128         struct nv50_blend_stateobj *bso = hwcso;
 129
 130         so_ref(NULL, &bso->so);
 131         FREE(bso);
 132 }
 133
 134 static INLINE unsigned
 135 wrap_mode(unsigned wrap)
 136 {
 137         switch (wrap) {
 138         case PIPE_TEX_WRAP_REPEAT:
 139                 return NV50TSC_1_0_WRAPS_REPEAT;
 140         case PIPE_TEX_WRAP_MIRROR_REPEAT:
 141                 return NV50TSC_1_0_WRAPS_MIRROR_REPEAT;
 142         case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
 143                 return NV50TSC_1_0_WRAPS_CLAMP_TO_EDGE;
 144         case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
 145                 return NV50TSC_1_0_WRAPS_CLAMP_TO_BORDER;
 146         case PIPE_TEX_WRAP_CLAMP:
 147                 return NV50TSC_1_0_WRAPS_CLAMP;
 148         case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
 149                 return NV50TSC_1_0_WRAPS_MIRROR_CLAMP_TO_EDGE;
 150         case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
 151                 return NV50TSC_1_0_WRAPS_MIRROR_CLAMP_TO_BORDER;
 152         case PIPE_TEX_WRAP_MIRROR_CLAMP:
 153                 return NV50TSC_1_0_WRAPS_MIRROR_CLAMP;
 154         default:
 155                 NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
 156                 return NV50TSC_1_0_WRAPS_REPEAT;
 157         }
 158 }
 159 static void *
 160 nv50_sampler_state_create(struct pipe_context *pipe,
 161                           const struct pipe_sampler_state *cso)
 162 {
 163         struct nv50_sampler_stateobj *sso = CALLOC(1, sizeof(*sso));
 164         unsigned *tsc = sso->tsc;
 165         float limit;
 166
 167         tsc[0] = (0x00026000 |
 168                   (wrap_mode(cso->wrap_s) << 0) |
 169                   (wrap_mode(cso->wrap_t) << 3) |
 170                   (wrap_mode(cso->wrap_r) << 6));
 171
 172         switch (cso->mag_img_filter) {
 173         case PIPE_TEX_FILTER_LINEAR:
 174                 tsc[1] |= NV50TSC_1_1_MAGF_LINEAR;
 175                 break;
 176         case PIPE_TEX_FILTER_NEAREST:
 177         default:
 178                 tsc[1] |= NV50TSC_1_1_MAGF_NEAREST;
 179                 break;
 180         }
 181
 182         switch (cso->min_img_filter) {
 183         case PIPE_TEX_FILTER_LINEAR:
 184                 tsc[1] |= NV50TSC_1_1_MINF_LINEAR;
 185                 break;
 186         case PIPE_TEX_FILTER_NEAREST:
 187         default:
 188                 tsc[1] |= NV50TSC_1_1_MINF_NEAREST;
 189                 break;
 190         }
 191
 192         switch (cso->min_mip_filter) {
 193         case PIPE_TEX_MIPFILTER_LINEAR:
 194                 tsc[1] |= NV50TSC_1_1_MIPF_LINEAR;
 195                 break;
 196         case PIPE_TEX_MIPFILTER_NEAREST:
 197                 tsc[1] |= NV50TSC_1_1_MIPF_NEAREST;
 198                 break;
 199         case PIPE_TEX_MIPFILTER_NONE:
 200         default:
 201                 tsc[1] |= NV50TSC_1_1_MIPF_NONE;
 202                 break;
 203         }
 204
 205         if (cso->max_anisotropy >= 16)
 206                 tsc[0] |= (7 << 20);
 207         else
 208         if (cso->max_anisotropy >= 12)
 209                 tsc[0] |= (6 << 20);
 210         else {
 211                 tsc[0] |= (cso->max_anisotropy >> 1) << 20;
 212
 213                 if (cso->max_anisotropy >= 4)
 214                         tsc[1] |= NV50TSC_1_1_UNKN_ANISO_35;
 215                 else
 216                 if (cso->max_anisotropy >= 2)
 217                         tsc[1] |= NV50TSC_1_1_UNKN_ANISO_15;
 218         }
 219
 220         if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 221                 /* XXX: must be deactivated for non-shadow textures */
 222                 tsc[0] |= (1 << 9);
 223                 tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
 224         }
 225
 226         limit = CLAMP(cso->lod_bias, -16.0, 15.0);
 227         tsc[1] |= ((int)(limit * 256.0) & 0x1fff) << 12;
 228
 229         tsc[2] |= ((int)CLAMP(cso->max_lod, 0.0, 15.0) << 20) |
 230                   ((int)CLAMP(cso->min_lod, 0.0, 15.0) << 8);
 231
 232         tsc[4] = fui(cso->border_color[0]);
 233         tsc[5] = fui(cso->border_color[1]);
 234         tsc[6] = fui(cso->border_color[2]);
 235         tsc[7] = fui(cso->border_color[3]);
 236
 237         sso->normalized = cso->normalized_coords;
 238         return (void *)sso;
 239 }
 240
 241 /* type == 0 for VPs, 1 for GPs, 2 for FPs, which is how the
 242  * relevant tesla methods are indexed (NV50TCL_BIND_TSC etc.)
 243  */
 244 static INLINE void
 245 nv50_sampler_state_bind(struct pipe_context *pipe, unsigned type,
 246                         unsigned nr, void **sampler)
 247 {
 248         struct nv50_context *nv50 = nv50_context(pipe);
 249
 250         memcpy(nv50->sampler[type], sampler, nr * sizeof(void *));
 251
 252         nv50->sampler_nr[type] = nr;
 253         nv50->dirty |= NV50_NEW_SAMPLER;
 254 }
 255
 256 static void
 257 nv50_vp_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **s)
 258 {
 259         nv50_sampler_state_bind(pipe, 0, nr, s);
 260 }
 261
 262 static void
 263 nv50_fp_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **s)
 264 {
 265         nv50_sampler_state_bind(pipe, 2, nr, s);
 266 }
 267
 268 static void
 269 nv50_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 270 {
 271         FREE(hwcso);
 272 }
 273
 274 static INLINE void
 275 nv50_set_sampler_views(struct pipe_context *pipe, unsigned p,
 276                        unsigned nr,
 277                        struct pipe_sampler_view **views)
 278 {
 279         struct nv50_context *nv50 = nv50_context(pipe);
 280         unsigned i;
 281
 282         for (i = 0; i < nr; i++)
 283                 pipe_sampler_view_reference(&nv50->sampler_views[p][i],
 284                                             views[i]);
 285
 286         for (i = nr; i < nv50->sampler_view_nr[p]; i++)
 287                 pipe_sampler_view_reference(&nv50->sampler_views[p][i], NULL);
 288
 289         nv50->sampler_view_nr[p] = nr;
 290         nv50->dirty |= NV50_NEW_TEXTURE;
 291 }
 292
 293 static void
 294 nv50_set_vp_sampler_views(struct pipe_context *pipe,
 295                           unsigned nr,
 296                           struct pipe_sampler_view **views)
 297 {
 298         nv50_set_sampler_views(pipe, 0, nr, views);
 299 }
 300
 301 static void
 302 nv50_set_fp_sampler_views(struct pipe_context *pipe,
 303                           unsigned nr,
 304                           struct pipe_sampler_view **views)
 305 {
 306         nv50_set_sampler_views(pipe, 2, nr, views);
 307 }
 308
 309 static void
 310 nv50_sampler_view_destroy(struct pipe_context *pipe,
 311                           struct pipe_sampler_view *view)
 312 {
 313         pipe_texture_reference(&view->texture, NULL);
 314         FREE(nv50_sampler_view(view));
 315 }
 316
 317 static struct pipe_sampler_view *
 318 nv50_create_sampler_view(struct pipe_context *pipe,
 319                          struct pipe_texture *texture,
 320                          const struct pipe_sampler_view *templ)
 321 {
 322         struct nv50_sampler_view *view = CALLOC_STRUCT(nv50_sampler_view);
 323
 324         view->pipe = *templ;
 325         view->pipe.reference.count = 1;
 326         view->pipe.texture = NULL;
 327         pipe_texture_reference(&view->pipe.texture, texture);
 328         view->pipe.context = pipe;
 329
 330         if (!nv50_tex_construct(view)) {
 331                 nv50_sampler_view_destroy(pipe, &view->pipe);
 332                 return NULL;
 333         }
 334         return &view->pipe;
 335 }
 336
 337
 338 static void *
 339 nv50_rasterizer_state_create(struct pipe_context *pipe,
 340                              const struct pipe_rasterizer_state *cso)
 341 {
 342         struct nouveau_stateobj *so = so_new(16, 22, 0);
 343         struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
 344         struct nv50_rasterizer_stateobj *rso =
 345                 CALLOC_STRUCT(nv50_rasterizer_stateobj);
 346
 347         /*XXX: ignored
 348          *      - light_twosize
 349          *      - point_smooth
 350          *      - multisample
 351          *      - point_sprite / sprite_coord_mode
 352          */
 353
 354         so_method(so, tesla, NV50TCL_SCISSOR_ENABLE(0), 1);
 355         so_data  (so, cso->scissor);
 356
 357         so_method(so, tesla, NV50TCL_SHADE_MODEL, 1);
 358         so_data  (so, cso->flatshade ? NV50TCL_SHADE_MODEL_FLAT :
 359                                        NV50TCL_SHADE_MODEL_SMOOTH);
 360         so_method(so, tesla, NV50TCL_PROVOKING_VERTEX_LAST, 1);
 361         so_data  (so, cso->flatshade_first ? 0 : 1);
 362
 363         so_method(so, tesla, NV50TCL_VERTEX_TWO_SIDE_ENABLE, 1);
 364         so_data  (so, cso->light_twoside);
 365
 366         so_method(so, tesla, NV50TCL_LINE_WIDTH, 1);
 367         so_data  (so, fui(cso->line_width));
 368         so_method(so, tesla, NV50TCL_LINE_SMOOTH_ENABLE, 1);
 369         so_data  (so, cso->line_smooth ? 1 : 0);
 370         if (cso->line_stipple_enable) {
 371                 so_method(so, tesla, NV50TCL_LINE_STIPPLE_ENABLE, 1);
 372                 so_data  (so, 1);
 373                 so_method(so, tesla, NV50TCL_LINE_STIPPLE_PATTERN, 1);
 374                 so_data  (so, (cso->line_stipple_pattern << 8) |
 375                                cso->line_stipple_factor);
 376         } else {
 377                 so_method(so, tesla, NV50TCL_LINE_STIPPLE_ENABLE, 1);
 378                 so_data  (so, 0);
 379         }
 380
 381         so_method(so, tesla, NV50TCL_POINT_SIZE, 1);
 382         so_data  (so, fui(cso->point_size));
 383
 384         so_method(so, tesla, NV50TCL_POINT_SPRITE_ENABLE, 1);
 385         so_data  (so, cso->point_quad_rasterization ? 1 : 0);
 386
 387         so_method(so, tesla, NV50TCL_POLYGON_MODE_FRONT, 3);
 388         if (cso->front_winding == PIPE_WINDING_CCW) {
 389                 so_data(so, nvgl_polygon_mode(cso->fill_ccw));
 390                 so_data(so, nvgl_polygon_mode(cso->fill_cw));
 391         } else {
 392                 so_data(so, nvgl_polygon_mode(cso->fill_cw));
 393                 so_data(so, nvgl_polygon_mode(cso->fill_ccw));
 394         }
 395         so_data(so, cso->poly_smooth ? 1 : 0);
 396
 397         so_method(so, tesla, NV50TCL_CULL_FACE_ENABLE, 3);
 398         so_data  (so, cso->cull_mode != PIPE_WINDING_NONE);
 399         if (cso->front_winding == PIPE_WINDING_CCW) {
 400                 so_data(so, NV50TCL_FRONT_FACE_CCW);
 401                 switch (cso->cull_mode) {
 402                 case PIPE_WINDING_CCW:
 403                         so_data(so, NV50TCL_CULL_FACE_FRONT);
 404                         break;
 405                 case PIPE_WINDING_CW:
 406                         so_data(so, NV50TCL_CULL_FACE_BACK);
 407                         break;
 408                 case PIPE_WINDING_BOTH:
 409                         so_data(so, NV50TCL_CULL_FACE_FRONT_AND_BACK);
 410                         break;
 411                 default:
 412                         so_data(so, NV50TCL_CULL_FACE_BACK);
 413                         break;
 414                 }
 415         } else {
 416                 so_data(so, NV50TCL_FRONT_FACE_CW);
 417                 switch (cso->cull_mode) {
 418                 case PIPE_WINDING_CCW:
 419                         so_data(so, NV50TCL_CULL_FACE_BACK);
 420                         break;
 421                 case PIPE_WINDING_CW:
 422                         so_data(so, NV50TCL_CULL_FACE_FRONT);
 423                         break;
 424                 case PIPE_WINDING_BOTH:
 425                         so_data(so, NV50TCL_CULL_FACE_FRONT_AND_BACK);
 426                         break;
 427                 default:
 428                         so_data(so, NV50TCL_CULL_FACE_BACK);
 429                         break;
 430                 }
 431         }
 432
 433         so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_ENABLE, 1);
 434         so_data  (so, cso->poly_stipple_enable ? 1 : 0);
 435
 436         so_method(so, tesla, NV50TCL_POLYGON_OFFSET_POINT_ENABLE, 3);
 437         if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_POINT) ||
 438             (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_POINT))
 439                 so_data(so, 1);
 440         else
 441                 so_data(so, 0);
 442         if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_LINE) ||
 443             (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_LINE))
 444                 so_data(so, 1);
 445         else
 446                 so_data(so, 0);
 447         if ((cso->offset_cw && cso->fill_cw == PIPE_POLYGON_MODE_FILL) ||
 448             (cso->offset_ccw && cso->fill_ccw == PIPE_POLYGON_MODE_FILL))
 449                 so_data(so, 1);
 450         else
 451                 so_data(so, 0);
 452
 453         if (cso->offset_cw || cso->offset_ccw) {
 454                 so_method(so, tesla, NV50TCL_POLYGON_OFFSET_FACTOR, 1);
 455                 so_data  (so, fui(cso->offset_scale));
 456                 so_method(so, tesla, NV50TCL_POLYGON_OFFSET_UNITS, 1);
 457                 so_data  (so, fui(cso->offset_units * 2.0f));
 458         }
 459
 460         rso->pipe = *cso;
 461         so_ref(so, &rso->so);
 462         so_ref(NULL, &so);
 463         return (void *)rso;
 464 }
 465
 466 static void
 467 nv50_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
 468 {
 469         struct nv50_context *nv50 = nv50_context(pipe);
 470
 471         nv50->rasterizer = hwcso;
 472         nv50->dirty |= NV50_NEW_RASTERIZER;
 473 }
 474
 475 static void
 476 nv50_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 477 {
 478         struct nv50_rasterizer_stateobj *rso = hwcso;
 479
 480         so_ref(NULL, &rso->so);
 481         FREE(rso);
 482 }
 483
 484 static void *
 485 nv50_depth_stencil_alpha_state_create(struct pipe_context *pipe,
 486                         const struct pipe_depth_stencil_alpha_state *cso)
 487 {
 488         struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
 489         struct nv50_zsa_stateobj *zsa = CALLOC_STRUCT(nv50_zsa_stateobj);
 490         struct nouveau_stateobj *so = so_new(9, 21, 0);
 491
 492         so_method(so, tesla, NV50TCL_DEPTH_WRITE_ENABLE, 1);
 493         so_data  (so, cso->depth.writemask ? 1 : 0);
 494         if (cso->depth.enabled) {
 495                 so_method(so, tesla, NV50TCL_DEPTH_TEST_ENABLE, 1);
 496                 so_data  (so, 1);
 497                 so_method(so, tesla, NV50TCL_DEPTH_TEST_FUNC, 1);
 498                 so_data  (so, nvgl_comparison_op(cso->depth.func));
 499         } else {
 500                 so_method(so, tesla, NV50TCL_DEPTH_TEST_ENABLE, 1);
 501                 so_data  (so, 0);
 502         }
 503
 504         if (cso->stencil[0].enabled) {
 505                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_ENABLE, 5);
 506                 so_data  (so, 1);
 507                 so_data  (so, nvgl_stencil_op(cso->stencil[0].fail_op));
 508                 so_data  (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
 509                 so_data  (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
 510                 so_data  (so, nvgl_comparison_op(cso->stencil[0].func));
 511                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_MASK, 2);
 512                 so_data  (so, cso->stencil[0].writemask);
 513                 so_data  (so, cso->stencil[0].valuemask);
 514         } else {
 515                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_ENABLE, 1);
 516                 so_data  (so, 0);
 517         }
 518
 519         if (cso->stencil[1].enabled) {
 520                 so_method(so, tesla, NV50TCL_STENCIL_BACK_ENABLE, 5);
 521                 so_data  (so, 1);
 522                 so_data  (so, nvgl_stencil_op(cso->stencil[1].fail_op));
 523                 so_data  (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
 524                 so_data  (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
 525                 so_data  (so, nvgl_comparison_op(cso->stencil[1].func));
 526                 so_method(so, tesla, NV50TCL_STENCIL_BACK_MASK, 2);
 527                 so_data  (so, cso->stencil[1].writemask);
 528                 so_data  (so, cso->stencil[1].valuemask);
 529         } else {
 530                 so_method(so, tesla, NV50TCL_STENCIL_BACK_ENABLE, 1);
 531                 so_data  (so, 0);
 532         }
 533
 534         if (cso->alpha.enabled) {
 535                 so_method(so, tesla, NV50TCL_ALPHA_TEST_ENABLE, 1);
 536                 so_data  (so, 1);
 537                 so_method(so, tesla, NV50TCL_ALPHA_TEST_REF, 2);
 538                 so_data  (so, fui(cso->alpha.ref_value));
 539                 so_data  (so, nvgl_comparison_op(cso->alpha.func));
 540         } else {
 541                 so_method(so, tesla, NV50TCL_ALPHA_TEST_ENABLE, 1);
 542                 so_data  (so, 0);
 543         }
 544
 545         zsa->pipe = *cso;
 546         so_ref(so, &zsa->so);
 547         so_ref(NULL, &so);
 548         return (void *)zsa;
 549 }
 550
 551 static void
 552 nv50_depth_stencil_alpha_state_bind(struct pipe_context *pipe, void *hwcso)
 553 {
 554         struct nv50_context *nv50 = nv50_context(pipe);
 555
 556         nv50->zsa = hwcso;
 557         nv50->dirty |= NV50_NEW_ZSA;
 558 }
 559
 560 static void
 561 nv50_depth_stencil_alpha_state_delete(struct pipe_context *pipe, void *hwcso)
 562 {
 563         struct nv50_zsa_stateobj *zsa = hwcso;
 564
 565         so_ref(NULL, &zsa->so);
 566         FREE(zsa);
 567 }
 568
 569 static void *
 570 nv50_vp_state_create(struct pipe_context *pipe,
 571                      const struct pipe_shader_state *cso)
 572 {
 573         struct nv50_program *p = CALLOC_STRUCT(nv50_program);
 574
 575         p->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 576         p->type = PIPE_SHADER_VERTEX;
 577         tgsi_scan_shader(p->pipe.tokens, &p->info);
 578         return (void *)p;
 579 }
 580
 581 static void
 582 nv50_vp_state_bind(struct pipe_context *pipe, void *hwcso)
 583 {
 584         struct nv50_context *nv50 = nv50_context(pipe);
 585
 586         nv50->vertprog = hwcso;
 587         nv50->dirty |= NV50_NEW_VERTPROG;
 588 }
 589
 590 static void
 591 nv50_vp_state_delete(struct pipe_context *pipe, void *hwcso)
 592 {
 593         struct nv50_context *nv50 = nv50_context(pipe);
 594         struct nv50_program *p = hwcso;
 595
 596         nv50_program_destroy(nv50, p);
 597         FREE((void *)p->pipe.tokens);
 598         FREE(p);
 599 }
 600
 601 static void *
 602 nv50_fp_state_create(struct pipe_context *pipe,
 603                      const struct pipe_shader_state *cso)
 604 {
 605         struct nv50_program *p = CALLOC_STRUCT(nv50_program);
 606
 607         p->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 608         p->type = PIPE_SHADER_FRAGMENT;
 609         tgsi_scan_shader(p->pipe.tokens, &p->info);
 610         return (void *)p;
 611 }
 612
 613 static void
 614 nv50_fp_state_bind(struct pipe_context *pipe, void *hwcso)
 615 {
 616         struct nv50_context *nv50 = nv50_context(pipe);
 617
 618         nv50->fragprog = hwcso;
 619         nv50->dirty |= NV50_NEW_FRAGPROG;
 620 }
 621
 622 static void
 623 nv50_fp_state_delete(struct pipe_context *pipe, void *hwcso)
 624 {
 625         struct nv50_context *nv50 = nv50_context(pipe);
 626         struct nv50_program *p = hwcso;
 627
 628         nv50_program_destroy(nv50, p);
 629         FREE((void *)p->pipe.tokens);
 630         FREE(p);
 631 }
 632
 633 static void *
 634 nv50_gp_state_create(struct pipe_context *pipe,
 635                      const struct pipe_shader_state *cso)
 636 {
 637         struct nv50_program *p = CALLOC_STRUCT(nv50_program);
 638
 639         p->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 640         p->type = PIPE_SHADER_GEOMETRY;
 641         tgsi_scan_shader(p->pipe.tokens, &p->info);
 642         return (void *)p;
 643 }
 644
 645 static void
 646 nv50_gp_state_bind(struct pipe_context *pipe, void *hwcso)
 647 {
 648         struct nv50_context *nv50 = nv50_context(pipe);
 649
 650         nv50->fragprog = hwcso;
 651         nv50->dirty |= NV50_NEW_GEOMPROG;
 652 }
 653
 654 static void
 655 nv50_gp_state_delete(struct pipe_context *pipe, void *hwcso)
 656 {
 657         struct nv50_context *nv50 = nv50_context(pipe);
 658         struct nv50_program *p = hwcso;
 659
 660         nv50_program_destroy(nv50, p);
 661         FREE((void *)p->pipe.tokens);
 662         FREE(p);
 663 }
 664
 665 static void
 666 nv50_set_blend_color(struct pipe_context *pipe,
 667                      const struct pipe_blend_color *bcol)
 668 {
 669         struct nv50_context *nv50 = nv50_context(pipe);
 670
 671         nv50->blend_colour = *bcol;
 672         nv50->dirty |= NV50_NEW_BLEND_COLOUR;
 673 }
 674
 675  static void
 676 nv50_set_stencil_ref(struct pipe_context *pipe,
 677                      const struct pipe_stencil_ref *sr)
 678 {
 679         struct nv50_context *nv50 = nv50_context(pipe);
 680
 681         nv50->stencil_ref = *sr;
 682         nv50->dirty |= NV50_NEW_STENCIL_REF;
 683 }
 684
 685 static void
 686 nv50_set_clip_state(struct pipe_context *pipe,
 687                     const struct pipe_clip_state *clip)
 688 {
 689 }
 690
 691 static void
 692 nv50_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 693                          struct pipe_buffer *buf )
 694 {
 695         struct nv50_context *nv50 = nv50_context(pipe);
 696
 697         if (shader == PIPE_SHADER_VERTEX) {
 698                 nv50->constbuf[PIPE_SHADER_VERTEX] = buf;
 699                 nv50->dirty |= NV50_NEW_VERTPROG_CB;
 700         } else
 701         if (shader == PIPE_SHADER_FRAGMENT) {
 702                 nv50->constbuf[PIPE_SHADER_FRAGMENT] = buf;
 703                 nv50->dirty |= NV50_NEW_FRAGPROG_CB;
 704         } else
 705         if (shader == PIPE_SHADER_GEOMETRY) {
 706                 nv50->constbuf[PIPE_SHADER_GEOMETRY] = buf;
 707                 nv50->dirty |= NV50_NEW_GEOMPROG_CB;
 708         }
 709 }
 710
 711 static void
 712 nv50_set_framebuffer_state(struct pipe_context *pipe,
 713                            const struct pipe_framebuffer_state *fb)
 714 {
 715         struct nv50_context *nv50 = nv50_context(pipe);
 716
 717         nv50->framebuffer = *fb;
 718         nv50->dirty |= NV50_NEW_FRAMEBUFFER;
 719 }
 720
 721 static void
 722 nv50_set_polygon_stipple(struct pipe_context *pipe,
 723                          const struct pipe_poly_stipple *stipple)
 724 {
 725         struct nv50_context *nv50 = nv50_context(pipe);
 726
 727         nv50->stipple = *stipple;
 728         nv50->dirty |= NV50_NEW_STIPPLE;
 729 }
 730
 731 static void
 732 nv50_set_scissor_state(struct pipe_context *pipe,
 733                        const struct pipe_scissor_state *s)
 734 {
 735         struct nv50_context *nv50 = nv50_context(pipe);
 736
 737         nv50->scissor = *s;
 738         nv50->dirty |= NV50_NEW_SCISSOR;
 739 }
 740
 741 static void
 742 nv50_set_viewport_state(struct pipe_context *pipe,
 743                         const struct pipe_viewport_state *vpt)
 744 {
 745         struct nv50_context *nv50 = nv50_context(pipe);
 746
 747         nv50->viewport = *vpt;
 748         nv50->dirty |= NV50_NEW_VIEWPORT;
 749 }
 750
 751 static void
 752 nv50_set_vertex_buffers(struct pipe_context *pipe, unsigned count,
 753                         const struct pipe_vertex_buffer *vb)
 754 {
 755         struct nv50_context *nv50 = nv50_context(pipe);
 756
 757         memcpy(nv50->vtxbuf, vb, sizeof(*vb) * count);
 758         nv50->vtxbuf_nr = count;
 759
 760         nv50->dirty |= NV50_NEW_ARRAYS;
 761 }
 762
 763 static void *
 764 nv50_vtxelts_state_create(struct pipe_context *pipe,
 765                           unsigned num_elements,
 766                           const struct pipe_vertex_element *elements)
 767 {
 768         struct nv50_vtxelt_stateobj *cso = CALLOC_STRUCT(nv50_vtxelt_stateobj);
 769
 770         assert(num_elements < 16); /* not doing fallbacks yet */
 771         cso->num_elements = num_elements;
 772         memcpy(cso->pipe, elements, num_elements * sizeof(*elements));
 773
 774         nv50_vtxelt_construct(cso);
 775
 776         return (void *)cso;
 777 }
 778
 779 static void
 780 nv50_vtxelts_state_delete(struct pipe_context *pipe, void *hwcso)
 781 {
 782         FREE(hwcso);
 783 }
 784
 785 static void
 786 nv50_vtxelts_state_bind(struct pipe_context *pipe, void *hwcso)
 787 {
 788         struct nv50_context *nv50 = nv50_context(pipe);
 789
 790         nv50->vtxelt = hwcso;
 791         nv50->dirty |= NV50_NEW_ARRAYS;
 792 }
 793
 794 void
 795 nv50_init_state_functions(struct nv50_context *nv50)
 796 {
 797         nv50->pipe.create_blend_state = nv50_blend_state_create;
 798         nv50->pipe.bind_blend_state = nv50_blend_state_bind;
 799         nv50->pipe.delete_blend_state = nv50_blend_state_delete;
 800
 801         nv50->pipe.create_sampler_state = nv50_sampler_state_create;
 802         nv50->pipe.delete_sampler_state = nv50_sampler_state_delete;
 803         nv50->pipe.bind_fragment_sampler_states = nv50_fp_sampler_state_bind;
 804         nv50->pipe.bind_vertex_sampler_states   = nv50_vp_sampler_state_bind;
 805         nv50->pipe.set_fragment_sampler_views = nv50_set_fp_sampler_views;
 806         nv50->pipe.set_vertex_sampler_views   = nv50_set_vp_sampler_views;
 807         nv50->pipe.create_sampler_view = nv50_create_sampler_view;
 808         nv50->pipe.sampler_view_destroy = nv50_sampler_view_destroy;
 809
 810         nv50->pipe.create_rasterizer_state = nv50_rasterizer_state_create;
 811         nv50->pipe.bind_rasterizer_state = nv50_rasterizer_state_bind;
 812         nv50->pipe.delete_rasterizer_state = nv50_rasterizer_state_delete;
 813
 814         nv50->pipe.create_depth_stencil_alpha_state =
 815                 nv50_depth_stencil_alpha_state_create;
 816         nv50->pipe.bind_depth_stencil_alpha_state =
 817                 nv50_depth_stencil_alpha_state_bind;
 818         nv50->pipe.delete_depth_stencil_alpha_state =
 819                 nv50_depth_stencil_alpha_state_delete;
 820
 821         nv50->pipe.create_vs_state = nv50_vp_state_create;
 822         nv50->pipe.bind_vs_state = nv50_vp_state_bind;
 823         nv50->pipe.delete_vs_state = nv50_vp_state_delete;
 824
 825         nv50->pipe.create_fs_state = nv50_fp_state_create;
 826         nv50->pipe.bind_fs_state = nv50_fp_state_bind;
 827         nv50->pipe.delete_fs_state = nv50_fp_state_delete;
 828
 829         nv50->pipe.create_gs_state = nv50_gp_state_create;
 830         nv50->pipe.bind_gs_state = nv50_gp_state_bind;
 831         nv50->pipe.delete_gs_state = nv50_gp_state_delete;
 832
 833         nv50->pipe.set_blend_color = nv50_set_blend_color;
 834         nv50->pipe.set_stencil_ref = nv50_set_stencil_ref;
 835         nv50->pipe.set_clip_state = nv50_set_clip_state;
 836         nv50->pipe.set_constant_buffer = nv50_set_constant_buffer;
 837         nv50->pipe.set_framebuffer_state = nv50_set_framebuffer_state;
 838         nv50->pipe.set_polygon_stipple = nv50_set_polygon_stipple;
 839         nv50->pipe.set_scissor_state = nv50_set_scissor_state;
 840         nv50->pipe.set_viewport_state = nv50_set_viewport_state;
 841
 842         nv50->pipe.create_vertex_elements_state = nv50_vtxelts_state_create;
 843         nv50->pipe.delete_vertex_elements_state = nv50_vtxelts_state_delete;
 844         nv50->pipe.bind_vertex_elements_state = nv50_vtxelts_state_bind;
 845
 846         nv50->pipe.set_vertex_buffers = nv50_set_vertex_buffers;
 847 }
 848