src/gallium/drivers/nvc0/nvc0_state.c

   1 /*
   2  * Copyright 2010 Christoph Bumiller
   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_defines.h"
  24 #include "util/u_inlines.h"
  25
  26 #include "tgsi/tgsi_parse.h"
  27
  28 #include "nvc0_stateobj.h"
  29 #include "nvc0_context.h"
  30
  31 #include "nvc0_3d.xml.h"
  32 #include "nv50_texture.xml.h"
  33
  34 #include "nouveau/nouveau_gldefs.h"
  35
  36 static INLINE uint32_t
  37 nvc0_colormask(unsigned mask)
  38 {
  39     uint32_t ret = 0;
  40
  41     if (mask & PIPE_MASK_R)
  42         ret |= 0x0001;
  43     if (mask & PIPE_MASK_G)
  44         ret |= 0x0010;
  45     if (mask & PIPE_MASK_B)
  46         ret |= 0x0100;
  47     if (mask & PIPE_MASK_A)
  48         ret |= 0x1000;
  49
  50     return ret;
  51 }
  52
  53 static INLINE uint32_t
  54 nvc0_blend_fac(unsigned factor)
  55 {
  56     static const uint16_t bf[] = {
  57         NV50_3D_BLEND_FACTOR_ZERO, /* 0x00 */
  58         NV50_3D_BLEND_FACTOR_ONE,
  59         NV50_3D_BLEND_FACTOR_SRC_COLOR,
  60         NV50_3D_BLEND_FACTOR_SRC_ALPHA,
  61         NV50_3D_BLEND_FACTOR_DST_ALPHA,
  62         NV50_3D_BLEND_FACTOR_DST_COLOR,
  63         NV50_3D_BLEND_FACTOR_SRC_ALPHA_SATURATE,
  64         NV50_3D_BLEND_FACTOR_CONSTANT_COLOR,
  65         NV50_3D_BLEND_FACTOR_CONSTANT_ALPHA,
  66         NV50_3D_BLEND_FACTOR_SRC1_COLOR,
  67         NV50_3D_BLEND_FACTOR_SRC1_ALPHA,
  68         NV50_3D_BLEND_FACTOR_ZERO, /* 0x0b */
  69         NV50_3D_BLEND_FACTOR_ZERO, /* 0x0c */
  70         NV50_3D_BLEND_FACTOR_ZERO, /* 0x0d */
  71         NV50_3D_BLEND_FACTOR_ZERO, /* 0x0e */
  72         NV50_3D_BLEND_FACTOR_ZERO, /* 0x0f */
  73         NV50_3D_BLEND_FACTOR_ZERO, /* 0x10 */
  74         NV50_3D_BLEND_FACTOR_ZERO, /* 0x11 */
  75         NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC_COLOR,
  76         NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
  77         NV50_3D_BLEND_FACTOR_ONE_MINUS_DST_ALPHA,
  78         NV50_3D_BLEND_FACTOR_ONE_MINUS_DST_COLOR,
  79         NV50_3D_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR,
  80         NV50_3D_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA,
  81         NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR,
  82         NV50_3D_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA
  83     };
  84
  85     assert(factor < (sizeof(bf) / sizeof(bf[0])));
  86     return bf[factor];
  87 }
  88
  89 static void *
  90 nvc0_blend_state_create(struct pipe_context *pipe,
  91                         const struct pipe_blend_state *cso)
  92 {
  93     struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj);
  94     int i;
  95
  96     so->pipe = *cso;
  97
  98     SB_IMMED_3D(so, BLEND_INDEPENDENT, cso->independent_blend_enable);
  99
 100     if (!cso->independent_blend_enable) {
 101         SB_BEGIN_3D(so, BLEND_ENABLES, 1);
 102         SB_DATA    (so, cso->rt[0].blend_enable ? 0xff : 0);
 103
 104         if (cso->rt[0].blend_enable) {
 105             SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5);
 106             SB_DATA    (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
 107             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].rgb_src_factor));
 108             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].rgb_dst_factor));
 109             SB_DATA    (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
 110             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].alpha_src_factor));
 111             SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1);
 112             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].alpha_dst_factor));
 113         }
 114
 115         SB_BEGIN_3D(so, COLOR_MASK_BROADCAST, 1);
 116         SB_DATA    (so, nvc0_colormask(cso->rt[0].colormask));
 117     } else {
 118         uint8_t en = 0;
 119
 120         for (i = 0; i < 8; ++i) {
 121             if (!cso->rt[i].blend_enable)
 122                 continue;
 123             en |= 1 << i;
 124
 125             SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6);
 126             SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].rgb_func));
 127             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor));
 128             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor));
 129             SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].alpha_func));
 130             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor));
 131             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor));
 132         }
 133         SB_BEGIN_3D(so, BLEND_ENABLES, 1);
 134         SB_DATA    (so, en);
 135
 136         SB_BEGIN_3D(so, COLOR_MASK(0), 8);
 137         for (i = 0; i < 8; ++i)
 138             SB_DATA(so, nvc0_colormask(cso->rt[i].colormask));
 139     }
 140
 141     if (cso->logicop_enable) {
 142        SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2);
 143        SB_DATA    (so, 1);
 144        SB_DATA    (so, nvgl_logicop_func(cso->logicop_func));
 145     } else {
 146        SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0);
 147     }
 148
 149     assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 150     return so;
 151 }
 152
 153 static void
 154 nvc0_blend_state_bind(struct pipe_context *pipe, void *hwcso)
 155 {
 156     struct nvc0_context *nvc0 = nvc0_context(pipe);
 157
 158     nvc0->blend = hwcso;
 159     nvc0->dirty |= NVC0_NEW_BLEND;
 160 }
 161
 162 static void
 163 nvc0_blend_state_delete(struct pipe_context *pipe, void *hwcso)
 164 {
 165     FREE(hwcso);
 166 }
 167
 168 static void *
 169 nvc0_rasterizer_state_create(struct pipe_context *pipe,
 170                              const struct pipe_rasterizer_state *cso)
 171 {
 172     struct nvc0_rasterizer_stateobj *so;
 173
 174     so = CALLOC_STRUCT(nvc0_rasterizer_stateobj);
 175     if (!so)
 176         return NULL;
 177     so->pipe = *cso;
 178
 179 #ifndef NVC0_SCISSORS_CLIPPING
 180     SB_IMMED_3D(so, SCISSOR_ENABLE(0), cso->scissor);
 181 #endif
 182
 183     SB_BEGIN_3D(so, SHADE_MODEL, 1);
 184     SB_DATA    (so, cso->flatshade ? NVC0_3D_SHADE_MODEL_FLAT :
 185                                      NVC0_3D_SHADE_MODEL_SMOOTH);
 186     SB_IMMED_3D(so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
 187     SB_IMMED_3D(so, VERTEX_TWO_SIDE_ENABLE, cso->light_twoside);
 188
 189     SB_BEGIN_3D(so, LINE_WIDTH, 1);
 190     SB_DATA    (so, fui(cso->line_width));
 191     SB_IMMED_3D(so, LINE_SMOOTH_ENABLE, cso->line_smooth);
 192
 193     SB_BEGIN_3D(so, LINE_STIPPLE_ENABLE, 1);
 194     if (cso->line_stipple_enable) {
 195         SB_DATA    (so, 1);
 196         SB_BEGIN_3D(so, LINE_STIPPLE_PATTERN, 1);
 197         SB_DATA    (so, (cso->line_stipple_pattern << 8) |
 198                          cso->line_stipple_factor);
 199
 200     } else {
 201         SB_DATA    (so, 0);
 202     }
 203
 204     SB_IMMED_3D(so, VP_POINT_SIZE_EN, cso->point_size_per_vertex);
 205     if (!cso->point_size_per_vertex) {
 206        SB_BEGIN_3D(so, POINT_SIZE, 1);
 207        SB_DATA    (so, fui(cso->point_size));
 208     }
 209     SB_IMMED_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
 210     SB_IMMED_3D(so, POINT_SMOOTH_ENABLE, cso->point_smooth);
 211
 212     SB_BEGIN_3D(so, POLYGON_MODE_FRONT, 1);
 213     SB_DATA    (so, nvgl_polygon_mode(cso->fill_front));
 214     SB_BEGIN_3D(so, POLYGON_MODE_BACK, 1);
 215     SB_DATA    (so, nvgl_polygon_mode(cso->fill_back));
 216     SB_IMMED_3D(so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
 217
 218     SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
 219     SB_DATA    (so, cso->cull_face != PIPE_FACE_NONE);
 220     SB_DATA    (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
 221                                      NVC0_3D_FRONT_FACE_CW);
 222     switch (cso->cull_face) {
 223     case PIPE_FACE_FRONT_AND_BACK:
 224        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
 225        break;
 226     case PIPE_FACE_FRONT:
 227        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
 228        break;
 229     case PIPE_FACE_BACK:
 230     default:
 231        SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
 232        break;
 233     }
 234
 235     SB_IMMED_3D(so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
 236     SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
 237     SB_DATA    (so, cso->offset_point);
 238     SB_DATA    (so, cso->offset_line);
 239     SB_DATA    (so, cso->offset_tri);
 240
 241     if (cso->offset_point || cso->offset_line || cso->offset_tri) {
 242         SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
 243         SB_DATA    (so, fui(cso->offset_scale));
 244         SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
 245         SB_DATA    (so, fui(cso->offset_units)); /* XXX: multiply by 2 ? */
 246     }
 247
 248     assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 249     return (void *)so;
 250 }
 251
 252 static void
 253 nvc0_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
 254 {
 255    struct nvc0_context *nvc0 = nvc0_context(pipe);
 256
 257    nvc0->rast = hwcso;
 258    nvc0->dirty |= NVC0_NEW_RASTERIZER;
 259 }
 260
 261 static void
 262 nvc0_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 263 {
 264    FREE(hwcso);
 265 }
 266
 267 static void *
 268 nvc0_zsa_state_create(struct pipe_context *pipe,
 269                       const struct pipe_depth_stencil_alpha_state *cso)
 270 {
 271    struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
 272
 273    so->pipe = *cso;
 274
 275    SB_IMMED_3D(so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
 276    SB_BEGIN_3D(so, DEPTH_TEST_ENABLE, 1);
 277    if (cso->depth.enabled) {
 278       SB_DATA    (so, 1);
 279       SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
 280       SB_DATA    (so, nvgl_comparison_op(cso->depth.func));
 281    } else {
 282       SB_DATA    (so, 0);
 283    }
 284
 285    if (cso->stencil[0].enabled) {
 286       SB_BEGIN_3D(so, STENCIL_FRONT_ENABLE, 5);
 287       SB_DATA    (so, 1);
 288       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].fail_op));
 289       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
 290       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
 291       SB_DATA    (so, nvgl_comparison_op(cso->stencil[0].func));
 292       SB_BEGIN_3D(so, STENCIL_FRONT_MASK, 2);
 293       SB_DATA    (so, cso->stencil[0].writemask);
 294       SB_DATA    (so, cso->stencil[0].valuemask);
 295    } else {
 296       SB_IMMED_3D(so, STENCIL_FRONT_ENABLE, 0);
 297    }
 298
 299    if (cso->stencil[1].enabled) {
 300       SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
 301       SB_DATA    (so, 1);
 302       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].fail_op));
 303       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
 304       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
 305       SB_DATA    (so, nvgl_comparison_op(cso->stencil[1].func));
 306       SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
 307       SB_DATA    (so, cso->stencil[1].writemask);
 308       SB_DATA    (so, cso->stencil[1].valuemask);
 309    } else {
 310       SB_IMMED_3D(so, STENCIL_TWO_SIDE_ENABLE, 0);
 311    }
 312
 313    SB_BEGIN_3D(so, ALPHA_TEST_ENABLE, 1);
 314    if (cso->alpha.enabled) {
 315       SB_DATA    (so, 1);
 316       SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
 317       SB_DATA    (so, fui(cso->alpha.ref_value));
 318       SB_DATA    (so, nvgl_comparison_op(cso->alpha.func));
 319    } else {
 320       SB_DATA    (so, 0);
 321    }
 322
 323    assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 324    return (void *)so;
 325 }
 326
 327 static void
 328 nvc0_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
 329 {
 330    struct nvc0_context *nvc0 = nvc0_context(pipe);
 331
 332    nvc0->zsa = hwcso;
 333    nvc0->dirty |= NVC0_NEW_ZSA;
 334 }
 335
 336 static void
 337 nvc0_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
 338 {
 339    FREE(hwcso);
 340 }
 341
 342 /* ====================== SAMPLERS AND TEXTURES ================================
 343  */
 344
 345 #define NV50_TSC_WRAP_CASE(n) \
 346     case PIPE_TEX_WRAP_##n: return NV50_TSC_WRAP_##n
 347
 348 static INLINE unsigned
 349 nv50_tsc_wrap_mode(unsigned wrap)
 350 {
 351    switch (wrap) {
 352    NV50_TSC_WRAP_CASE(REPEAT);
 353    NV50_TSC_WRAP_CASE(MIRROR_REPEAT);
 354    NV50_TSC_WRAP_CASE(CLAMP_TO_EDGE);
 355    NV50_TSC_WRAP_CASE(CLAMP_TO_BORDER);
 356    NV50_TSC_WRAP_CASE(CLAMP);
 357    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_EDGE);
 358    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_BORDER);
 359    NV50_TSC_WRAP_CASE(MIRROR_CLAMP);
 360    default:
 361        NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
 362        return NV50_TSC_WRAP_REPEAT;
 363    }
 364 }
 365
 366 static void *
 367 nvc0_sampler_state_create(struct pipe_context *pipe,
 368                           const struct pipe_sampler_state *cso)
 369 {
 370    struct nvc0_tsc_entry *so = CALLOC_STRUCT(nvc0_tsc_entry);
 371    float f[2];
 372
 373    so->id = -1;
 374
 375    so->tsc[0] = (0x00026000 |
 376                  (nv50_tsc_wrap_mode(cso->wrap_s) << 0) |
 377                  (nv50_tsc_wrap_mode(cso->wrap_t) << 3) |
 378                  (nv50_tsc_wrap_mode(cso->wrap_r) << 6));
 379
 380    switch (cso->mag_img_filter) {
 381    case PIPE_TEX_FILTER_LINEAR:
 382       so->tsc[1] |= NV50_TSC_1_MAGF_LINEAR;
 383       break;
 384    case PIPE_TEX_FILTER_NEAREST:
 385    default:
 386       so->tsc[1] |= NV50_TSC_1_MAGF_NEAREST;
 387       break;
 388    }
 389
 390    switch (cso->min_img_filter) {
 391    case PIPE_TEX_FILTER_LINEAR:
 392       so->tsc[1] |= NV50_TSC_1_MINF_LINEAR;
 393       break;
 394    case PIPE_TEX_FILTER_NEAREST:
 395    default:
 396       so->tsc[1] |= NV50_TSC_1_MINF_NEAREST;
 397       break;
 398    }
 399
 400    switch (cso->min_mip_filter) {
 401    case PIPE_TEX_MIPFILTER_LINEAR:
 402       so->tsc[1] |= NV50_TSC_1_MIPF_LINEAR;
 403       break;
 404    case PIPE_TEX_MIPFILTER_NEAREST:
 405       so->tsc[1] |= NV50_TSC_1_MIPF_NEAREST;
 406       break;
 407    case PIPE_TEX_MIPFILTER_NONE:
 408    default:
 409       so->tsc[1] |= NV50_TSC_1_MIPF_NONE;
 410       break;
 411    }
 412
 413    if (cso->max_anisotropy >= 16)
 414       so->tsc[0] |= (7 << 20);
 415    else
 416    if (cso->max_anisotropy >= 12)
 417       so->tsc[0] |= (6 << 20);
 418    else {
 419       so->tsc[0] |= (cso->max_anisotropy >> 1) << 20;
 420
 421       if (cso->max_anisotropy >= 4)
 422          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_35;
 423       else
 424       if (cso->max_anisotropy >= 2)
 425          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_15;
 426    }
 427
 428    if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 429       /* NOTE: must be deactivated for non-shadow textures */
 430       so->tsc[0] |= (1 << 9);
 431       so->tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
 432    }
 433
 434    f[0] = CLAMP(cso->lod_bias, -16.0f, 15.0f);
 435    so->tsc[1] |= ((int)(f[0] * 256.0f) & 0x1fff) << 12;
 436
 437    f[0] = CLAMP(cso->min_lod, 0.0f, 15.0f);
 438    f[1] = CLAMP(cso->max_lod, 0.0f, 15.0f);
 439    so->tsc[2] |=
 440       (((int)(f[1] * 256.0f) & 0xfff) << 12) | ((int)(f[0] * 256.0f) & 0xfff);
 441
 442    so->tsc[4] = fui(cso->border_color[0]);
 443    so->tsc[5] = fui(cso->border_color[1]);
 444    so->tsc[6] = fui(cso->border_color[2]);
 445    so->tsc[7] = fui(cso->border_color[3]);
 446
 447    return (void *)so;
 448 }
 449
 450 static void
 451 nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 452 {
 453    unsigned s, i;
 454
 455    for (s = 0; s < 5; ++s)
 456       for (i = 0; i < nvc0_context(pipe)->num_samplers[s]; ++i)
 457          if (nvc0_context(pipe)->samplers[s][i] == hwcso)
 458             nvc0_context(pipe)->samplers[s][i] = NULL;
 459
 460    nvc0_screen_tsc_free(nvc0_context(pipe)->screen, nvc0_tsc_entry(hwcso));
 461
 462    FREE(hwcso);
 463 }
 464
 465 static INLINE void
 466 nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0, int s,
 467                                unsigned nr, void **hwcso)
 468 {
 469    unsigned i;
 470
 471    for (i = 0; i < nr; ++i) {
 472       struct nvc0_tsc_entry *old = nvc0->samplers[s][i];
 473
 474       nvc0->samplers[s][i] = nvc0_tsc_entry(hwcso[i]);
 475       if (old)
 476          nvc0_screen_tsc_unlock(nvc0->screen, old);
 477    }
 478    for (; i < nvc0->num_samplers[s]; ++i)
 479       if (nvc0->samplers[s][i])
 480          nvc0_screen_tsc_unlock(nvc0->screen, nvc0->samplers[s][i]);
 481
 482    nvc0->num_samplers[s] = nr;
 483
 484    nvc0->dirty |= NVC0_NEW_SAMPLERS;
 485 }
 486
 487 static void
 488 nvc0_vp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 489 {
 490    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 0, nr, s);
 491 }
 492
 493 static void
 494 nvc0_fp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 495 {
 496    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 4, nr, s);
 497 }
 498
 499 static void
 500 nvc0_gp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 501 {
 502    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 3, nr, s);
 503 }
 504
 505 /* NOTE: only called when not referenced anywhere, won't be bound */
 506 static void
 507 nvc0_sampler_view_destroy(struct pipe_context *pipe,
 508                           struct pipe_sampler_view *view)
 509 {
 510    pipe_resource_reference(&view->texture, NULL);
 511
 512    nvc0_screen_tic_free(nvc0_context(pipe)->screen, nvc0_tic_entry(view));
 513
 514    FREE(nvc0_tic_entry(view));
 515 }
 516
 517 static INLINE void
 518 nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
 519                              unsigned nr,
 520                              struct pipe_sampler_view **views)
 521 {
 522    unsigned i;
 523
 524    for (i = 0; i < nr; ++i) {
 525       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 526       if (old)
 527          nvc0_screen_tic_unlock(nvc0->screen, old);
 528
 529       pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
 530    }
 531
 532    for (i = nr; i < nvc0->num_textures[s]; ++i) {
 533       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 534       if (!old)
 535          continue;
 536       nvc0_screen_tic_unlock(nvc0->screen, old);
 537
 538       pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
 539    }
 540
 541    nvc0->num_textures[s] = nr;
 542
 543    nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_TEXTURES);
 544
 545    nvc0->dirty |= NVC0_NEW_TEXTURES;
 546 }
 547
 548 static void
 549 nvc0_vp_set_sampler_views(struct pipe_context *pipe,
 550                           unsigned nr,
 551                           struct pipe_sampler_view **views)
 552 {
 553    nvc0_stage_set_sampler_views(nvc0_context(pipe), 0, nr, views);
 554 }
 555
 556 static void
 557 nvc0_fp_set_sampler_views(struct pipe_context *pipe,
 558                           unsigned nr,
 559                           struct pipe_sampler_view **views)
 560 {
 561    nvc0_stage_set_sampler_views(nvc0_context(pipe), 4, nr, views);
 562 }
 563
 564 static void
 565 nvc0_gp_set_sampler_views(struct pipe_context *pipe,
 566                           unsigned nr,
 567                           struct pipe_sampler_view **views)
 568 {
 569    nvc0_stage_set_sampler_views(nvc0_context(pipe), 3, nr, views);
 570 }
 571
 572 /* ============================= SHADERS =======================================
 573  */
 574
 575 static void *
 576 nvc0_sp_state_create(struct pipe_context *pipe,
 577                      const struct pipe_shader_state *cso, unsigned type)
 578 {
 579    struct nvc0_program *prog;
 580
 581    prog = CALLOC_STRUCT(nvc0_program);
 582    if (!prog)
 583       return NULL;
 584
 585    prog->type = type;
 586    prog->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 587
 588    return (void *)prog;
 589 }
 590
 591 static void
 592 nvc0_sp_state_delete(struct pipe_context *pipe, void *hwcso)
 593 {
 594    struct nvc0_program *prog = (struct nvc0_program *)hwcso;
 595
 596    nvc0_program_destroy(nvc0_context(pipe), prog);
 597
 598    FREE((void *)prog->pipe.tokens);
 599    FREE(prog);
 600 }
 601
 602 static void *
 603 nvc0_vp_state_create(struct pipe_context *pipe,
 604                      const struct pipe_shader_state *cso)
 605 {
 606    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_VERTEX);
 607 }
 608
 609 static void
 610 nvc0_vp_state_bind(struct pipe_context *pipe, void *hwcso)
 611 {
 612     struct nvc0_context *nvc0 = nvc0_context(pipe);
 613
 614     nvc0->vertprog = hwcso;
 615     nvc0->dirty |= NVC0_NEW_VERTPROG;
 616 }
 617
 618 static void *
 619 nvc0_fp_state_create(struct pipe_context *pipe,
 620                      const struct pipe_shader_state *cso)
 621 {
 622    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_FRAGMENT);
 623 }
 624
 625 static void
 626 nvc0_fp_state_bind(struct pipe_context *pipe, void *hwcso)
 627 {
 628     struct nvc0_context *nvc0 = nvc0_context(pipe);
 629
 630     nvc0->fragprog = hwcso;
 631     nvc0->dirty |= NVC0_NEW_FRAGPROG;
 632 }
 633
 634 static void *
 635 nvc0_gp_state_create(struct pipe_context *pipe,
 636                      const struct pipe_shader_state *cso)
 637 {
 638    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_GEOMETRY);
 639 }
 640
 641 static void
 642 nvc0_gp_state_bind(struct pipe_context *pipe, void *hwcso)
 643 {
 644     struct nvc0_context *nvc0 = nvc0_context(pipe);
 645
 646     nvc0->gmtyprog = hwcso;
 647     nvc0->dirty |= NVC0_NEW_GMTYPROG;
 648 }
 649
 650 static void
 651 nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 652                          struct pipe_resource *res)
 653 {
 654    struct nvc0_context *nvc0 = nvc0_context(pipe);
 655
 656    switch (shader) {
 657    case PIPE_SHADER_VERTEX: shader = 0; break;
 658       /*
 659    case PIPE_SHADER_TESSELLATION_CONTROL: shader = 1; break;
 660    case PIPE_SHADER_TESSELLATION_EVALUATION: shader = 2; break;
 661       */
 662    case PIPE_SHADER_GEOMETRY: shader = 3; break;
 663    case PIPE_SHADER_FRAGMENT: shader = 4; break;
 664    default:
 665       assert(0);
 666       break;
 667    }
 668
 669    if (nvc0->constbuf[shader][index])
 670       nvc0_bufctx_del_resident(nvc0, NVC0_BUFCTX_CONSTANT,
 671                                nvc0_resource(
 672                                        nvc0->constbuf[shader][index]));
 673
 674    pipe_resource_reference(&nvc0->constbuf[shader][index], res);
 675
 676    nvc0->constbuf_dirty[shader] |= 1 << index;
 677
 678    nvc0->dirty |= NVC0_NEW_CONSTBUF;
 679 }
 680
 681 /* =============================================================================
 682  */
 683
 684 static void
 685 nvc0_set_blend_color(struct pipe_context *pipe,
 686                      const struct pipe_blend_color *bcol)
 687 {
 688     struct nvc0_context *nvc0 = nvc0_context(pipe);
 689
 690     nvc0->blend_colour = *bcol;
 691     nvc0->dirty |= NVC0_NEW_BLEND_COLOUR;
 692 }
 693
 694 static void
 695 nvc0_set_stencil_ref(struct pipe_context *pipe,
 696                      const struct pipe_stencil_ref *sr)
 697 {
 698     struct nvc0_context *nvc0 = nvc0_context(pipe);
 699
 700     nvc0->stencil_ref = *sr;
 701     nvc0->dirty |= NVC0_NEW_STENCIL_REF;
 702 }
 703
 704 static void
 705 nvc0_set_clip_state(struct pipe_context *pipe,
 706                     const struct pipe_clip_state *clip)
 707 {
 708     struct nvc0_context *nvc0 = nvc0_context(pipe);
 709     const unsigned size = clip->nr * sizeof(clip->ucp[0]);
 710
 711     memcpy(&nvc0->clip.ucp[0][0], &clip->ucp[0][0], size);
 712     nvc0->clip.nr = clip->nr;
 713
 714     nvc0->clip.depth_clamp = clip->depth_clamp;
 715
 716     nvc0->dirty |= NVC0_NEW_CLIP;
 717 }
 718
 719 static void
 720 nvc0_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
 721 {
 722     struct nvc0_context *nvc0 = nvc0_context(pipe);
 723
 724     nvc0->sample_mask = sample_mask;
 725     nvc0->dirty |= NVC0_NEW_SAMPLE_MASK;
 726 }
 727
 728
 729 static void
 730 nvc0_set_framebuffer_state(struct pipe_context *pipe,
 731                            const struct pipe_framebuffer_state *fb)
 732 {
 733     struct nvc0_context *nvc0 = nvc0_context(pipe);
 734
 735     nvc0->framebuffer = *fb;
 736     nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 737 }
 738
 739 static void
 740 nvc0_set_polygon_stipple(struct pipe_context *pipe,
 741                          const struct pipe_poly_stipple *stipple)
 742 {
 743     struct nvc0_context *nvc0 = nvc0_context(pipe);
 744
 745     nvc0->stipple = *stipple;
 746     nvc0->dirty |= NVC0_NEW_STIPPLE;
 747 }
 748
 749 static void
 750 nvc0_set_scissor_state(struct pipe_context *pipe,
 751                        const struct pipe_scissor_state *scissor)
 752 {
 753     struct nvc0_context *nvc0 = nvc0_context(pipe);
 754
 755     nvc0->scissor = *scissor;
 756     nvc0->dirty |= NVC0_NEW_SCISSOR;
 757 }
 758
 759 static void
 760 nvc0_set_viewport_state(struct pipe_context *pipe,
 761                         const struct pipe_viewport_state *vpt)
 762 {
 763     struct nvc0_context *nvc0 = nvc0_context(pipe);
 764
 765     nvc0->viewport = *vpt;
 766     nvc0->dirty |= NVC0_NEW_VIEWPORT;
 767 }
 768
 769 static void
 770 nvc0_set_vertex_buffers(struct pipe_context *pipe,
 771                         unsigned count,
 772                         const struct pipe_vertex_buffer *vb)
 773 {
 774     struct nvc0_context *nvc0 = nvc0_context(pipe);
 775     unsigned i;
 776
 777     for (i = 0; i < count; ++i)
 778        pipe_resource_reference(&nvc0->vtxbuf[i].buffer, vb[i].buffer);
 779     for (; i < nvc0->num_vtxbufs; ++i)
 780        pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
 781
 782     memcpy(nvc0->vtxbuf, vb, sizeof(*vb) * count);
 783     nvc0->num_vtxbufs = count;
 784
 785     nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_VERTEX);
 786
 787     nvc0->dirty |= NVC0_NEW_ARRAYS;
 788 }
 789
 790 static void
 791 nvc0_set_index_buffer(struct pipe_context *pipe,
 792                       const struct pipe_index_buffer *ib)
 793 {
 794     struct nvc0_context *nvc0 = nvc0_context(pipe);
 795
 796     if (ib)
 797         memcpy(&nvc0->idxbuf, ib, sizeof(nvc0->idxbuf));
 798     else
 799         nvc0->idxbuf.buffer = NULL;
 800 }
 801
 802 static void
 803 nvc0_vertex_state_bind(struct pipe_context *pipe, void *hwcso)
 804 {
 805     struct nvc0_context *nvc0 = nvc0_context(pipe);
 806
 807     nvc0->vertex = hwcso;
 808     nvc0->dirty |= NVC0_NEW_VERTEX;
 809 }
 810
 811 void
 812 nvc0_init_state_functions(struct nvc0_context *nvc0)
 813 {
 814     nvc0->pipe.create_blend_state = nvc0_blend_state_create;
 815     nvc0->pipe.bind_blend_state = nvc0_blend_state_bind;
 816     nvc0->pipe.delete_blend_state = nvc0_blend_state_delete;
 817
 818     nvc0->pipe.create_rasterizer_state = nvc0_rasterizer_state_create;
 819     nvc0->pipe.bind_rasterizer_state = nvc0_rasterizer_state_bind;
 820     nvc0->pipe.delete_rasterizer_state = nvc0_rasterizer_state_delete;
 821
 822     nvc0->pipe.create_depth_stencil_alpha_state = nvc0_zsa_state_create;
 823     nvc0->pipe.bind_depth_stencil_alpha_state = nvc0_zsa_state_bind;
 824     nvc0->pipe.delete_depth_stencil_alpha_state = nvc0_zsa_state_delete;
 825
 826     nvc0->pipe.create_sampler_state = nvc0_sampler_state_create;
 827     nvc0->pipe.delete_sampler_state = nvc0_sampler_state_delete;
 828     nvc0->pipe.bind_vertex_sampler_states   = nvc0_vp_sampler_states_bind;
 829     nvc0->pipe.bind_fragment_sampler_states = nvc0_fp_sampler_states_bind;
 830     nvc0->pipe.bind_geometry_sampler_states = nvc0_gp_sampler_states_bind;
 831
 832     nvc0->pipe.create_sampler_view = nvc0_create_sampler_view;
 833     nvc0->pipe.sampler_view_destroy = nvc0_sampler_view_destroy;
 834     nvc0->pipe.set_vertex_sampler_views   = nvc0_vp_set_sampler_views;
 835     nvc0->pipe.set_fragment_sampler_views = nvc0_fp_set_sampler_views;
 836     nvc0->pipe.set_geometry_sampler_views = nvc0_gp_set_sampler_views;
 837
 838     nvc0->pipe.create_vs_state = nvc0_vp_state_create;
 839     nvc0->pipe.create_fs_state = nvc0_fp_state_create;
 840     nvc0->pipe.create_gs_state = nvc0_gp_state_create;
 841     nvc0->pipe.bind_vs_state = nvc0_vp_state_bind;
 842     nvc0->pipe.bind_fs_state = nvc0_fp_state_bind;
 843     nvc0->pipe.bind_gs_state = nvc0_gp_state_bind;
 844     nvc0->pipe.delete_vs_state = nvc0_sp_state_delete;
 845     nvc0->pipe.delete_fs_state = nvc0_sp_state_delete;
 846     nvc0->pipe.delete_gs_state = nvc0_sp_state_delete;
 847
 848     nvc0->pipe.set_blend_color = nvc0_set_blend_color;
 849     nvc0->pipe.set_stencil_ref = nvc0_set_stencil_ref;
 850     nvc0->pipe.set_clip_state = nvc0_set_clip_state;
 851     nvc0->pipe.set_sample_mask = nvc0_set_sample_mask;
 852     nvc0->pipe.set_constant_buffer = nvc0_set_constant_buffer;
 853     nvc0->pipe.set_framebuffer_state = nvc0_set_framebuffer_state;
 854     nvc0->pipe.set_polygon_stipple = nvc0_set_polygon_stipple;
 855     nvc0->pipe.set_scissor_state = nvc0_set_scissor_state;
 856     nvc0->pipe.set_viewport_state = nvc0_set_viewport_state;
 857
 858     nvc0->pipe.create_vertex_elements_state = nvc0_vertex_state_create;
 859     nvc0->pipe.delete_vertex_elements_state = nvc0_vertex_state_delete;
 860     nvc0->pipe.bind_vertex_elements_state = nvc0_vertex_state_bind;
 861
 862     nvc0->pipe.set_vertex_buffers = nvc0_set_vertex_buffers;
 863     nvc0->pipe.set_index_buffer = nvc0_set_index_buffer;
 864 }
 865