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 INLINE uint32_t
  52 nv50_blend_func(unsigned factor)
  53 {
  54         switch (factor) {
  55         case PIPE_BLENDFACTOR_ZERO:
  56                 return NV50TCL_BLEND_FUNC_SRC_RGB_ZERO;
  57         case PIPE_BLENDFACTOR_ONE:
  58                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE;
  59         case PIPE_BLENDFACTOR_SRC_COLOR:
  60                 return NV50TCL_BLEND_FUNC_SRC_RGB_SRC_COLOR;
  61         case PIPE_BLENDFACTOR_INV_SRC_COLOR:
  62                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_SRC_COLOR;
  63         case PIPE_BLENDFACTOR_SRC_ALPHA:
  64                 return NV50TCL_BLEND_FUNC_SRC_RGB_SRC_ALPHA;
  65         case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
  66                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_SRC_ALPHA;
  67         case PIPE_BLENDFACTOR_DST_ALPHA:
  68                 return NV50TCL_BLEND_FUNC_SRC_RGB_DST_ALPHA;
  69         case PIPE_BLENDFACTOR_INV_DST_ALPHA:
  70                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_DST_ALPHA;
  71         case PIPE_BLENDFACTOR_DST_COLOR:
  72                 return NV50TCL_BLEND_FUNC_SRC_RGB_DST_COLOR;
  73         case PIPE_BLENDFACTOR_INV_DST_COLOR:
  74                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_DST_COLOR;
  75         case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
  76                 return NV50TCL_BLEND_FUNC_SRC_RGB_SRC_ALPHA_SATURATE;
  77         case PIPE_BLENDFACTOR_CONST_COLOR:
  78                 return NV50TCL_BLEND_FUNC_SRC_RGB_CONSTANT_COLOR;
  79         case PIPE_BLENDFACTOR_INV_CONST_COLOR:
  80                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_CONSTANT_COLOR;
  81         case PIPE_BLENDFACTOR_CONST_ALPHA:
  82                 return NV50TCL_BLEND_FUNC_SRC_RGB_CONSTANT_ALPHA;
  83         case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
  84                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_CONSTANT_ALPHA;
  85         case PIPE_BLENDFACTOR_SRC1_COLOR:
  86                 return NV50TCL_BLEND_FUNC_SRC_RGB_SRC1_COLOR;
  87         case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
  88                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_SRC1_COLOR;
  89         case PIPE_BLENDFACTOR_SRC1_ALPHA:
  90                 return NV50TCL_BLEND_FUNC_SRC_RGB_SRC1_ALPHA;
  91         case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
  92                 return NV50TCL_BLEND_FUNC_SRC_RGB_ONE_MINUS_SRC1_ALPHA;
  93         default:
  94                 return NV50TCL_BLEND_FUNC_SRC_RGB_ZERO;
  95         }
  96 }
  97
  98 static void *
  99 nv50_blend_state_create(struct pipe_context *pipe,
 100                         const struct pipe_blend_state *cso)
 101 {
 102         struct nouveau_stateobj *so = so_new(5, 24, 0);
 103         struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
 104         struct nv50_blend_stateobj *bso = CALLOC_STRUCT(nv50_blend_stateobj);
 105         unsigned i, blend_enabled = 0;
 106
 107         /*XXX ignored:
 108          *      - dither
 109          */
 110
 111         so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
 112         if (cso->independent_blend_enable) {
 113                 for (i = 0; i < 8; ++i) {
 114                         so_data(so, cso->rt[i].blend_enable);
 115                         if (cso->rt[i].blend_enable)
 116                                 blend_enabled = 1;
 117                 }
 118         } else
 119         if (cso->rt[0].blend_enable) {
 120                 blend_enabled = 1;
 121                 for (i = 0; i < 8; i++)
 122                         so_data(so, 1);
 123         } else {
 124                 for (i = 0; i < 8; i++)
 125                         so_data(so, 0);
 126         }
 127         if (blend_enabled) {
 128                 so_method(so, tesla, NV50TCL_BLEND_EQUATION_RGB, 5);
 129                 so_data  (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
 130                 so_data  (so, nv50_blend_func(cso->rt[0].rgb_src_factor));
 131                 so_data  (so, nv50_blend_func(cso->rt[0].rgb_dst_factor));
 132                 so_data  (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
 133                 so_data  (so, nv50_blend_func(cso->rt[0].alpha_src_factor));
 134                 so_method(so, tesla, NV50TCL_BLEND_FUNC_DST_ALPHA, 1);
 135                 so_data  (so, nv50_blend_func(cso->rt[0].alpha_dst_factor));
 136         }
 137
 138         if (cso->logicop_enable == 0 ) {
 139                 so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 1);
 140                 so_data  (so, 0);
 141         } else {
 142                 so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 2);
 143                 so_data  (so, 1);
 144                 so_data  (so, nvgl_logicop_func(cso->logicop_func));
 145         }
 146
 147         so_method(so, tesla, NV50TCL_COLOR_MASK(0), 8);
 148         if (cso->independent_blend_enable)
 149                 for (i = 0; i < 8; ++i)
 150                         so_data(so, nv50_colormask(cso->rt[i].colormask));
 151         else {
 152                 uint32_t cmask = nv50_colormask(cso->rt[0].colormask);
 153                 for (i = 0; i < 8; i++)
 154                         so_data(so, cmask);
 155         }
 156
 157         bso->pipe = *cso;
 158         so_ref(so, &bso->so);
 159         so_ref(NULL, &so);
 160         return (void *)bso;
 161 }
 162
 163 static void
 164 nv50_blend_state_bind(struct pipe_context *pipe, void *hwcso)
 165 {
 166         struct nv50_context *nv50 = nv50_context(pipe);
 167
 168         nv50->blend = hwcso;
 169         nv50->dirty |= NV50_NEW_BLEND;
 170 }
 171
 172 static void
 173 nv50_blend_state_delete(struct pipe_context *pipe, void *hwcso)
 174 {
 175         struct nv50_blend_stateobj *bso = hwcso;
 176
 177         so_ref(NULL, &bso->so);
 178         FREE(bso);
 179 }
 180
 181 static INLINE unsigned
 182 wrap_mode(unsigned wrap)
 183 {
 184         switch (wrap) {
 185         case PIPE_TEX_WRAP_REPEAT:
 186                 return NV50TSC_1_0_WRAPS_REPEAT;
 187         case PIPE_TEX_WRAP_MIRROR_REPEAT:
 188                 return NV50TSC_1_0_WRAPS_MIRROR_REPEAT;
 189         case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
 190                 return NV50TSC_1_0_WRAPS_CLAMP_TO_EDGE;
 191         case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
 192                 return NV50TSC_1_0_WRAPS_CLAMP_TO_BORDER;
 193         case PIPE_TEX_WRAP_CLAMP:
 194                 return NV50TSC_1_0_WRAPS_CLAMP;
 195         case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
 196                 return NV50TSC_1_0_WRAPS_MIRROR_CLAMP_TO_EDGE;
 197         case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
 198                 return NV50TSC_1_0_WRAPS_MIRROR_CLAMP_TO_BORDER;
 199         case PIPE_TEX_WRAP_MIRROR_CLAMP:
 200                 return NV50TSC_1_0_WRAPS_MIRROR_CLAMP;
 201         default:
 202                 NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
 203                 return NV50TSC_1_0_WRAPS_REPEAT;
 204         }
 205 }
 206 static void *
 207 nv50_sampler_state_create(struct pipe_context *pipe,
 208                           const struct pipe_sampler_state *cso)
 209 {
 210         struct nv50_sampler_stateobj *sso = CALLOC(1, sizeof(*sso));
 211         unsigned *tsc = sso->tsc;
 212         float limit;
 213
 214         tsc[0] = (0x00026000 |
 215                   (wrap_mode(cso->wrap_s) << 0) |
 216                   (wrap_mode(cso->wrap_t) << 3) |
 217                   (wrap_mode(cso->wrap_r) << 6));
 218
 219         switch (cso->mag_img_filter) {
 220         case PIPE_TEX_FILTER_LINEAR:
 221                 tsc[1] |= NV50TSC_1_1_MAGF_LINEAR;
 222                 break;
 223         case PIPE_TEX_FILTER_NEAREST:
 224         default:
 225                 tsc[1] |= NV50TSC_1_1_MAGF_NEAREST;
 226                 break;
 227         }
 228
 229         switch (cso->min_img_filter) {
 230         case PIPE_TEX_FILTER_LINEAR:
 231                 tsc[1] |= NV50TSC_1_1_MINF_LINEAR;
 232                 break;
 233         case PIPE_TEX_FILTER_NEAREST:
 234         default:
 235                 tsc[1] |= NV50TSC_1_1_MINF_NEAREST;
 236                 break;
 237         }
 238
 239         switch (cso->min_mip_filter) {
 240         case PIPE_TEX_MIPFILTER_LINEAR:
 241                 tsc[1] |= NV50TSC_1_1_MIPF_LINEAR;
 242                 break;
 243         case PIPE_TEX_MIPFILTER_NEAREST:
 244                 tsc[1] |= NV50TSC_1_1_MIPF_NEAREST;
 245                 break;
 246         case PIPE_TEX_MIPFILTER_NONE:
 247         default:
 248                 tsc[1] |= NV50TSC_1_1_MIPF_NONE;
 249                 break;
 250         }
 251
 252         if (cso->max_anisotropy >= 16)
 253                 tsc[0] |= (7 << 20);
 254         else
 255         if (cso->max_anisotropy >= 12)
 256                 tsc[0] |= (6 << 20);
 257         else {
 258                 tsc[0] |= (cso->max_anisotropy >> 1) << 20;
 259
 260                 if (cso->max_anisotropy >= 4)
 261                         tsc[1] |= NV50TSC_1_1_UNKN_ANISO_35;
 262                 else
 263                 if (cso->max_anisotropy >= 2)
 264                         tsc[1] |= NV50TSC_1_1_UNKN_ANISO_15;
 265         }
 266
 267         if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 268                 /* XXX: must be deactivated for non-shadow textures */
 269                 tsc[0] |= (1 << 9);
 270                 tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
 271         }
 272
 273         limit = CLAMP(cso->lod_bias, -16.0, 15.0);
 274         tsc[1] |= ((int)(limit * 256.0) & 0x1fff) << 12;
 275
 276         tsc[2] |= ((int)CLAMP(cso->max_lod, 0.0, 15.0) << 20) |
 277                   ((int)CLAMP(cso->min_lod, 0.0, 15.0) << 8);
 278
 279         tsc[4] = fui(cso->border_color[0]);
 280         tsc[5] = fui(cso->border_color[1]);
 281         tsc[6] = fui(cso->border_color[2]);
 282         tsc[7] = fui(cso->border_color[3]);
 283
 284         sso->normalized = cso->normalized_coords;
 285         return (void *)sso;
 286 }
 287
 288 /* type == 0 for VPs, 1 for GPs, 2 for FPs, which is how the
 289  * relevant tesla methods are indexed (NV50TCL_BIND_TSC etc.)
 290  */
 291 static INLINE void
 292 nv50_sampler_state_bind(struct pipe_context *pipe, unsigned type,
 293                         unsigned nr, void **sampler)
 294 {
 295         struct nv50_context *nv50 = nv50_context(pipe);
 296
 297         memcpy(nv50->sampler[type], sampler, nr * sizeof(void *));
 298
 299         nv50->sampler_nr[type] = nr;
 300         nv50->dirty |= NV50_NEW_SAMPLER;
 301 }
 302
 303 static void
 304 nv50_vp_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **s)
 305 {
 306         nv50_sampler_state_bind(pipe, 0, nr, s);
 307 }
 308
 309 static void
 310 nv50_fp_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **s)
 311 {
 312         nv50_sampler_state_bind(pipe, 2, nr, s);
 313 }
 314
 315 static void
 316 nv50_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 317 {
 318         FREE(hwcso);
 319 }
 320
 321 static INLINE void
 322 nv50_set_sampler_views(struct pipe_context *pipe, unsigned p,
 323                        unsigned nr,
 324                        struct pipe_sampler_view **views)
 325 {
 326         struct nv50_context *nv50 = nv50_context(pipe);
 327         unsigned i;
 328
 329         for (i = 0; i < nr; i++)
 330                 pipe_sampler_view_reference(&nv50->sampler_views[p][i],
 331                                             views[i]);
 332
 333         for (i = nr; i < nv50->sampler_view_nr[p]; i++)
 334                 pipe_sampler_view_reference(&nv50->sampler_views[p][i], NULL);
 335
 336         nv50->sampler_view_nr[p] = nr;
 337         nv50->dirty |= NV50_NEW_TEXTURE;
 338 }
 339
 340 static void
 341 nv50_set_vp_sampler_views(struct pipe_context *pipe,
 342                           unsigned nr,
 343                           struct pipe_sampler_view **views)
 344 {
 345         nv50_set_sampler_views(pipe, 0, nr, views);
 346 }
 347
 348 static void
 349 nv50_set_fp_sampler_views(struct pipe_context *pipe,
 350                           unsigned nr,
 351                           struct pipe_sampler_view **views)
 352 {
 353         nv50_set_sampler_views(pipe, 2, nr, views);
 354 }
 355
 356 static void
 357 nv50_sampler_view_destroy(struct pipe_context *pipe,
 358                           struct pipe_sampler_view *view)
 359 {
 360         pipe_resource_reference(&view->texture, NULL);
 361         FREE(nv50_sampler_view(view));
 362 }
 363
 364 static struct pipe_sampler_view *
 365 nv50_create_sampler_view(struct pipe_context *pipe,
 366                          struct pipe_resource *texture,
 367                          const struct pipe_sampler_view *templ)
 368 {
 369         struct nv50_sampler_view *view = CALLOC_STRUCT(nv50_sampler_view);
 370
 371         view->pipe = *templ;
 372         view->pipe.reference.count = 1;
 373         view->pipe.texture = NULL;
 374         pipe_resource_reference(&view->pipe.texture, texture);
 375         view->pipe.context = pipe;
 376
 377         if (!nv50_tex_construct(view)) {
 378                 nv50_sampler_view_destroy(pipe, &view->pipe);
 379                 return NULL;
 380         }
 381         return &view->pipe;
 382 }
 383
 384
 385 static void *
 386 nv50_rasterizer_state_create(struct pipe_context *pipe,
 387                              const struct pipe_rasterizer_state *cso)
 388 {
 389         struct nouveau_stateobj *so = so_new(16, 22, 0);
 390         struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
 391         struct nv50_rasterizer_stateobj *rso =
 392                 CALLOC_STRUCT(nv50_rasterizer_stateobj);
 393
 394         /*XXX: ignored
 395          *      - light_twoside
 396          *      - point_smooth
 397          *      - multisample
 398          *      - point_sprite / sprite_coord_mode
 399          */
 400
 401         so_method(so, tesla, NV50TCL_SCISSOR_ENABLE(0), 1);
 402         so_data  (so, cso->scissor);
 403
 404         so_method(so, tesla, NV50TCL_SHADE_MODEL, 1);
 405         so_data  (so, cso->flatshade ? NV50TCL_SHADE_MODEL_FLAT :
 406                                        NV50TCL_SHADE_MODEL_SMOOTH);
 407         so_method(so, tesla, NV50TCL_PROVOKING_VERTEX_LAST, 1);
 408         so_data  (so, cso->flatshade_first ? 0 : 1);
 409
 410         so_method(so, tesla, NV50TCL_VERTEX_TWO_SIDE_ENABLE, 1);
 411         so_data  (so, cso->light_twoside);
 412
 413         so_method(so, tesla, NV50TCL_LINE_WIDTH, 1);
 414         so_data  (so, fui(cso->line_width));
 415         so_method(so, tesla, NV50TCL_LINE_SMOOTH_ENABLE, 1);
 416         so_data  (so, cso->line_smooth ? 1 : 0);
 417         if (cso->line_stipple_enable) {
 418                 so_method(so, tesla, NV50TCL_LINE_STIPPLE_ENABLE, 1);
 419                 so_data  (so, 1);
 420                 so_method(so, tesla, NV50TCL_LINE_STIPPLE_PATTERN, 1);
 421                 so_data  (so, (cso->line_stipple_pattern << 8) |
 422                                cso->line_stipple_factor);
 423         } else {
 424                 so_method(so, tesla, NV50TCL_LINE_STIPPLE_ENABLE, 1);
 425                 so_data  (so, 0);
 426         }
 427
 428         so_method(so, tesla, NV50TCL_POINT_SIZE, 1);
 429         so_data  (so, fui(cso->point_size));
 430
 431         so_method(so, tesla, NV50TCL_POINT_SPRITE_ENABLE, 1);
 432         so_data  (so, cso->point_quad_rasterization ? 1 : 0);
 433
 434         so_method(so, tesla, NV50TCL_POLYGON_MODE_FRONT, 3);
 435         so_data(so, nvgl_polygon_mode(cso->fill_front));
 436         so_data(so, nvgl_polygon_mode(cso->fill_back));
 437         so_data(so, cso->poly_smooth ? 1 : 0);
 438
 439         so_method(so, tesla, NV50TCL_CULL_FACE_ENABLE, 3);
 440         so_data  (so, cso->cull_face != PIPE_FACE_NONE);
 441         if (cso->front_ccw) {
 442                 so_data(so, NV50TCL_FRONT_FACE_CCW);
 443         }
 444         else {
 445                 so_data(so, NV50TCL_FRONT_FACE_CW);
 446         }
 447         switch (cso->cull_face) {
 448         case PIPE_FACE_FRONT:
 449                 so_data(so, NV50TCL_CULL_FACE_FRONT);
 450                 break;
 451         case PIPE_FACE_BACK:
 452                 so_data(so, NV50TCL_CULL_FACE_BACK);
 453                 break;
 454         case PIPE_FACE_FRONT_AND_BACK:
 455                 so_data(so, NV50TCL_CULL_FACE_FRONT_AND_BACK);
 456                 break;
 457         default:
 458                 so_data(so, NV50TCL_CULL_FACE_BACK);
 459                 break;
 460         }
 461
 462         so_method(so, tesla, NV50TCL_POLYGON_STIPPLE_ENABLE, 1);
 463         so_data  (so, cso->poly_stipple_enable ? 1 : 0);
 464
 465         so_method(so, tesla, NV50TCL_POLYGON_OFFSET_POINT_ENABLE, 3);
 466         so_data(so, cso->offset_point);
 467         so_data(so, cso->offset_line);
 468         so_data(so, cso->offset_tri);
 469
 470         if (cso->offset_point ||
 471             cso->offset_line ||
 472             cso->offset_tri) {
 473                 so_method(so, tesla, NV50TCL_POLYGON_OFFSET_FACTOR, 1);
 474                 so_data  (so, fui(cso->offset_scale));
 475                 so_method(so, tesla, NV50TCL_POLYGON_OFFSET_UNITS, 1);
 476                 so_data  (so, fui(cso->offset_units * 2.0f));
 477         }
 478
 479         rso->pipe = *cso;
 480         so_ref(so, &rso->so);
 481         so_ref(NULL, &so);
 482         return (void *)rso;
 483 }
 484
 485 static void
 486 nv50_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
 487 {
 488         struct nv50_context *nv50 = nv50_context(pipe);
 489
 490         nv50->rasterizer = hwcso;
 491         nv50->dirty |= NV50_NEW_RASTERIZER;
 492 }
 493
 494 static void
 495 nv50_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 496 {
 497         struct nv50_rasterizer_stateobj *rso = hwcso;
 498
 499         so_ref(NULL, &rso->so);
 500         FREE(rso);
 501 }
 502
 503 static void *
 504 nv50_depth_stencil_alpha_state_create(struct pipe_context *pipe,
 505                         const struct pipe_depth_stencil_alpha_state *cso)
 506 {
 507         struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
 508         struct nv50_zsa_stateobj *zsa = CALLOC_STRUCT(nv50_zsa_stateobj);
 509         struct nouveau_stateobj *so = so_new(9, 21, 0);
 510
 511         so_method(so, tesla, NV50TCL_DEPTH_WRITE_ENABLE, 1);
 512         so_data  (so, cso->depth.writemask ? 1 : 0);
 513         if (cso->depth.enabled) {
 514                 so_method(so, tesla, NV50TCL_DEPTH_TEST_ENABLE, 1);
 515                 so_data  (so, 1);
 516                 so_method(so, tesla, NV50TCL_DEPTH_TEST_FUNC, 1);
 517                 so_data  (so, nvgl_comparison_op(cso->depth.func));
 518         } else {
 519                 so_method(so, tesla, NV50TCL_DEPTH_TEST_ENABLE, 1);
 520                 so_data  (so, 0);
 521         }
 522
 523         if (cso->stencil[0].enabled) {
 524                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_ENABLE, 5);
 525                 so_data  (so, 1);
 526                 so_data  (so, nvgl_stencil_op(cso->stencil[0].fail_op));
 527                 so_data  (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
 528                 so_data  (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
 529                 so_data  (so, nvgl_comparison_op(cso->stencil[0].func));
 530                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_MASK, 2);
 531                 so_data  (so, cso->stencil[0].writemask);
 532                 so_data  (so, cso->stencil[0].valuemask);
 533         } else {
 534                 so_method(so, tesla, NV50TCL_STENCIL_FRONT_ENABLE, 1);
 535                 so_data  (so, 0);
 536         }
 537
 538         if (cso->stencil[1].enabled) {
 539                 so_method(so, tesla, NV50TCL_STENCIL_BACK_ENABLE, 5);
 540                 so_data  (so, 1);
 541                 so_data  (so, nvgl_stencil_op(cso->stencil[1].fail_op));
 542                 so_data  (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
 543                 so_data  (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
 544                 so_data  (so, nvgl_comparison_op(cso->stencil[1].func));
 545                 so_method(so, tesla, NV50TCL_STENCIL_BACK_MASK, 2);
 546                 so_data  (so, cso->stencil[1].writemask);
 547                 so_data  (so, cso->stencil[1].valuemask);
 548         } else {
 549                 so_method(so, tesla, NV50TCL_STENCIL_BACK_ENABLE, 1);
 550                 so_data  (so, 0);
 551         }
 552
 553         if (cso->alpha.enabled) {
 554                 so_method(so, tesla, NV50TCL_ALPHA_TEST_ENABLE, 1);
 555                 so_data  (so, 1);
 556                 so_method(so, tesla, NV50TCL_ALPHA_TEST_REF, 2);
 557                 so_data  (so, fui(cso->alpha.ref_value));
 558                 so_data  (so, nvgl_comparison_op(cso->alpha.func));
 559         } else {
 560                 so_method(so, tesla, NV50TCL_ALPHA_TEST_ENABLE, 1);
 561                 so_data  (so, 0);
 562         }
 563
 564         zsa->pipe = *cso;
 565         so_ref(so, &zsa->so);
 566         so_ref(NULL, &so);
 567         return (void *)zsa;
 568 }
 569
 570 static void
 571 nv50_depth_stencil_alpha_state_bind(struct pipe_context *pipe, void *hwcso)
 572 {
 573         struct nv50_context *nv50 = nv50_context(pipe);
 574
 575         nv50->zsa = hwcso;
 576         nv50->dirty |= NV50_NEW_ZSA;
 577 }
 578
 579 static void
 580 nv50_depth_stencil_alpha_state_delete(struct pipe_context *pipe, void *hwcso)
 581 {
 582         struct nv50_zsa_stateobj *zsa = hwcso;
 583
 584         so_ref(NULL, &zsa->so);
 585         FREE(zsa);
 586 }
 587
 588 static void *
 589 nv50_vp_state_create(struct pipe_context *pipe,
 590                      const struct pipe_shader_state *cso)
 591 {
 592         struct nv50_program *p = CALLOC_STRUCT(nv50_program);
 593
 594         p->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 595         p->type = PIPE_SHADER_VERTEX;
 596         return (void *)p;
 597 }
 598
 599 static void
 600 nv50_vp_state_bind(struct pipe_context *pipe, void *hwcso)
 601 {
 602         struct nv50_context *nv50 = nv50_context(pipe);
 603
 604         nv50->vertprog = hwcso;
 605         nv50->dirty |= NV50_NEW_VERTPROG;
 606 }
 607
 608 static void
 609 nv50_vp_state_delete(struct pipe_context *pipe, void *hwcso)
 610 {
 611         struct nv50_context *nv50 = nv50_context(pipe);
 612         struct nv50_program *p = hwcso;
 613
 614         nv50_program_destroy(nv50, p);
 615         FREE((void *)p->pipe.tokens);
 616         FREE(p);
 617 }
 618
 619 static void *
 620 nv50_fp_state_create(struct pipe_context *pipe,
 621                      const struct pipe_shader_state *cso)
 622 {
 623         struct nv50_program *p = CALLOC_STRUCT(nv50_program);
 624
 625         p->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 626         p->type = PIPE_SHADER_FRAGMENT;
 627         return (void *)p;
 628 }
 629
 630 static void
 631 nv50_fp_state_bind(struct pipe_context *pipe, void *hwcso)
 632 {
 633         struct nv50_context *nv50 = nv50_context(pipe);
 634
 635         nv50->fragprog = hwcso;
 636         nv50->dirty |= NV50_NEW_FRAGPROG;
 637 }
 638
 639 static void
 640 nv50_fp_state_delete(struct pipe_context *pipe, void *hwcso)
 641 {
 642         struct nv50_context *nv50 = nv50_context(pipe);
 643         struct nv50_program *p = hwcso;
 644
 645         nv50_program_destroy(nv50, p);
 646         FREE((void *)p->pipe.tokens);
 647         FREE(p);
 648 }
 649
 650 static void *
 651 nv50_gp_state_create(struct pipe_context *pipe,
 652                      const struct pipe_shader_state *cso)
 653 {
 654         struct nv50_program *p = CALLOC_STRUCT(nv50_program);
 655
 656         p->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 657         p->type = PIPE_SHADER_GEOMETRY;
 658         return (void *)p;
 659 }
 660
 661 static void
 662 nv50_gp_state_bind(struct pipe_context *pipe, void *hwcso)
 663 {
 664         struct nv50_context *nv50 = nv50_context(pipe);
 665
 666         nv50->fragprog = hwcso;
 667         nv50->dirty |= NV50_NEW_GEOMPROG;
 668 }
 669
 670 static void
 671 nv50_gp_state_delete(struct pipe_context *pipe, void *hwcso)
 672 {
 673         struct nv50_context *nv50 = nv50_context(pipe);
 674         struct nv50_program *p = hwcso;
 675
 676         nv50_program_destroy(nv50, p);
 677         FREE((void *)p->pipe.tokens);
 678         FREE(p);
 679 }
 680
 681 static void
 682 nv50_set_blend_color(struct pipe_context *pipe,
 683                      const struct pipe_blend_color *bcol)
 684 {
 685         struct nv50_context *nv50 = nv50_context(pipe);
 686
 687         nv50->blend_colour = *bcol;
 688         nv50->dirty |= NV50_NEW_BLEND_COLOUR;
 689 }
 690
 691  static void
 692 nv50_set_stencil_ref(struct pipe_context *pipe,
 693                      const struct pipe_stencil_ref *sr)
 694 {
 695         struct nv50_context *nv50 = nv50_context(pipe);
 696
 697         nv50->stencil_ref = *sr;
 698         nv50->dirty |= NV50_NEW_STENCIL_REF;
 699 }
 700
 701 static void
 702 nv50_set_clip_state(struct pipe_context *pipe,
 703                     const struct pipe_clip_state *clip)
 704 {
 705         struct nv50_context *nv50 = nv50_context(pipe);
 706
 707         nv50->clip.depth_clamp = clip->depth_clamp;
 708         nv50->dirty |= NV50_NEW_CLIP;
 709 }
 710
 711 static void
 712 nv50_set_sample_mask(struct pipe_context *pipe,
 713                      unsigned sample_mask)
 714 {
 715 }
 716
 717 static void
 718 nv50_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 719                          struct pipe_resource *buf )
 720 {
 721         struct nv50_context *nv50 = nv50_context(pipe);
 722
 723         if (shader == PIPE_SHADER_VERTEX) {
 724                 nv50->constbuf[PIPE_SHADER_VERTEX] = buf;
 725                 nv50->dirty |= NV50_NEW_VERTPROG_CB;
 726         } else
 727         if (shader == PIPE_SHADER_FRAGMENT) {
 728                 nv50->constbuf[PIPE_SHADER_FRAGMENT] = buf;
 729                 nv50->dirty |= NV50_NEW_FRAGPROG_CB;
 730         } else
 731         if (shader == PIPE_SHADER_GEOMETRY) {
 732                 nv50->constbuf[PIPE_SHADER_GEOMETRY] = buf;
 733                 nv50->dirty |= NV50_NEW_GEOMPROG_CB;
 734         }
 735 }
 736
 737 static void
 738 nv50_set_framebuffer_state(struct pipe_context *pipe,
 739                            const struct pipe_framebuffer_state *fb)
 740 {
 741         struct nv50_context *nv50 = nv50_context(pipe);
 742
 743         nv50->framebuffer = *fb;
 744         nv50->dirty |= NV50_NEW_FRAMEBUFFER;
 745 }
 746
 747 static void
 748 nv50_set_polygon_stipple(struct pipe_context *pipe,
 749                          const struct pipe_poly_stipple *stipple)
 750 {
 751         struct nv50_context *nv50 = nv50_context(pipe);
 752
 753         nv50->stipple = *stipple;
 754         nv50->dirty |= NV50_NEW_STIPPLE;
 755 }
 756
 757 static void
 758 nv50_set_scissor_state(struct pipe_context *pipe,
 759                        const struct pipe_scissor_state *s)
 760 {
 761         struct nv50_context *nv50 = nv50_context(pipe);
 762
 763         nv50->scissor = *s;
 764         nv50->dirty |= NV50_NEW_SCISSOR;
 765 }
 766
 767 static void
 768 nv50_set_viewport_state(struct pipe_context *pipe,
 769                         const struct pipe_viewport_state *vpt)
 770 {
 771         struct nv50_context *nv50 = nv50_context(pipe);
 772
 773         nv50->viewport = *vpt;
 774         nv50->dirty |= NV50_NEW_VIEWPORT;
 775 }
 776
 777 static void
 778 nv50_set_vertex_buffers(struct pipe_context *pipe, unsigned count,
 779                         const struct pipe_vertex_buffer *vb)
 780 {
 781         struct nv50_context *nv50 = nv50_context(pipe);
 782
 783         memcpy(nv50->vtxbuf, vb, sizeof(*vb) * count);
 784         nv50->vtxbuf_nr = count;
 785
 786         nv50->dirty |= NV50_NEW_ARRAYS;
 787 }
 788
 789 static void
 790 nv50_set_index_buffer(struct pipe_context *pipe,
 791                       const struct pipe_index_buffer *ib)
 792 {
 793         struct nv50_context *nv50 = nv50_context(pipe);
 794
 795         if (ib)
 796                 memcpy(&nv50->idxbuf, ib, sizeof(nv50->idxbuf));
 797         else
 798                 memset(&nv50->idxbuf, 0, sizeof(nv50->idxbuf));
 799
 800         /* TODO make this more like a state */
 801 }
 802
 803 static void *
 804 nv50_vtxelts_state_create(struct pipe_context *pipe,
 805                           unsigned num_elements,
 806                           const struct pipe_vertex_element *elements)
 807 {
 808         struct nv50_vtxelt_stateobj *cso = CALLOC_STRUCT(nv50_vtxelt_stateobj);
 809
 810         assert(num_elements < 16); /* not doing fallbacks yet */
 811         cso->num_elements = num_elements;
 812         memcpy(cso->pipe, elements, num_elements * sizeof(*elements));
 813
 814         nv50_vtxelt_construct(cso);
 815
 816         return (void *)cso;
 817 }
 818
 819 static void
 820 nv50_vtxelts_state_delete(struct pipe_context *pipe, void *hwcso)
 821 {
 822         FREE(hwcso);
 823 }
 824
 825 static void
 826 nv50_vtxelts_state_bind(struct pipe_context *pipe, void *hwcso)
 827 {
 828         struct nv50_context *nv50 = nv50_context(pipe);
 829
 830         nv50->vtxelt = hwcso;
 831         nv50->dirty |= NV50_NEW_ARRAYS;
 832 }
 833
 834 void
 835 nv50_init_state_functions(struct nv50_context *nv50)
 836 {
 837         nv50->pipe.create_blend_state = nv50_blend_state_create;
 838         nv50->pipe.bind_blend_state = nv50_blend_state_bind;
 839         nv50->pipe.delete_blend_state = nv50_blend_state_delete;
 840
 841         nv50->pipe.create_sampler_state = nv50_sampler_state_create;
 842         nv50->pipe.delete_sampler_state = nv50_sampler_state_delete;
 843         nv50->pipe.bind_fragment_sampler_states = nv50_fp_sampler_state_bind;
 844         nv50->pipe.bind_vertex_sampler_states   = nv50_vp_sampler_state_bind;
 845         nv50->pipe.set_fragment_sampler_views = nv50_set_fp_sampler_views;
 846         nv50->pipe.set_vertex_sampler_views   = nv50_set_vp_sampler_views;
 847         nv50->pipe.create_sampler_view = nv50_create_sampler_view;
 848         nv50->pipe.sampler_view_destroy = nv50_sampler_view_destroy;
 849
 850         nv50->pipe.create_rasterizer_state = nv50_rasterizer_state_create;
 851         nv50->pipe.bind_rasterizer_state = nv50_rasterizer_state_bind;
 852         nv50->pipe.delete_rasterizer_state = nv50_rasterizer_state_delete;
 853
 854         nv50->pipe.create_depth_stencil_alpha_state =
 855                 nv50_depth_stencil_alpha_state_create;
 856         nv50->pipe.bind_depth_stencil_alpha_state =
 857                 nv50_depth_stencil_alpha_state_bind;
 858         nv50->pipe.delete_depth_stencil_alpha_state =
 859                 nv50_depth_stencil_alpha_state_delete;
 860
 861         nv50->pipe.create_vs_state = nv50_vp_state_create;
 862         nv50->pipe.bind_vs_state = nv50_vp_state_bind;
 863         nv50->pipe.delete_vs_state = nv50_vp_state_delete;
 864
 865         nv50->pipe.create_fs_state = nv50_fp_state_create;
 866         nv50->pipe.bind_fs_state = nv50_fp_state_bind;
 867         nv50->pipe.delete_fs_state = nv50_fp_state_delete;
 868
 869         nv50->pipe.create_gs_state = nv50_gp_state_create;
 870         nv50->pipe.bind_gs_state = nv50_gp_state_bind;
 871         nv50->pipe.delete_gs_state = nv50_gp_state_delete;
 872
 873         nv50->pipe.set_blend_color = nv50_set_blend_color;
 874         nv50->pipe.set_stencil_ref = nv50_set_stencil_ref;
 875         nv50->pipe.set_clip_state = nv50_set_clip_state;
 876         nv50->pipe.set_sample_mask = nv50_set_sample_mask;
 877         nv50->pipe.set_constant_buffer = nv50_set_constant_buffer;
 878         nv50->pipe.set_framebuffer_state = nv50_set_framebuffer_state;
 879         nv50->pipe.set_polygon_stipple = nv50_set_polygon_stipple;
 880         nv50->pipe.set_scissor_state = nv50_set_scissor_state;
 881         nv50->pipe.set_viewport_state = nv50_set_viewport_state;
 882
 883         nv50->pipe.create_vertex_elements_state = nv50_vtxelts_state_create;
 884         nv50->pipe.delete_vertex_elements_state = nv50_vtxelts_state_delete;
 885         nv50->pipe.bind_vertex_elements_state = nv50_vtxelts_state_bind;
 886
 887         nv50->pipe.set_vertex_buffers = nv50_set_vertex_buffers;
 888         nv50->pipe.set_index_buffer = nv50_set_index_buffer;
 889 }
 890