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
 211     SB_BEGIN_3D(so, POLYGON_MODE_FRONT, 1);
 212     SB_DATA    (so, nvgl_polygon_mode(cso->fill_front));
 213     SB_BEGIN_3D(so, POLYGON_MODE_BACK, 1);
 214     SB_DATA    (so, nvgl_polygon_mode(cso->fill_back));
 215     SB_IMMED_3D(so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
 216
 217     SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
 218     SB_DATA    (so, cso->cull_face != PIPE_FACE_NONE);
 219     SB_DATA    (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
 220                                      NVC0_3D_FRONT_FACE_CW);
 221     switch (cso->cull_face) {
 222     case PIPE_FACE_FRONT_AND_BACK:
 223        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
 224        break;
 225     case PIPE_FACE_FRONT:
 226        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
 227        break;
 228     case PIPE_FACE_BACK:
 229     default:
 230        SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
 231        break;
 232     }
 233
 234     SB_IMMED_3D(so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
 235     SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
 236     SB_DATA    (so, cso->offset_point);
 237     SB_DATA    (so, cso->offset_line);
 238     SB_DATA    (so, cso->offset_tri);
 239
 240     if (cso->offset_point || cso->offset_line || cso->offset_tri) {
 241         SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
 242         SB_DATA    (so, fui(cso->offset_scale));
 243         SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
 244         SB_DATA    (so, fui(cso->offset_units)); /* XXX: multiply by 2 ? */
 245     }
 246
 247     assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 248     return (void *)so;
 249 }
 250
 251 static void
 252 nvc0_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
 253 {
 254    struct nvc0_context *nvc0 = nvc0_context(pipe);
 255
 256    nvc0->rast = hwcso;
 257    nvc0->dirty |= NVC0_NEW_RASTERIZER;
 258 }
 259
 260 static void
 261 nvc0_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 262 {
 263    FREE(hwcso);
 264 }
 265
 266 static void *
 267 nvc0_zsa_state_create(struct pipe_context *pipe,
 268                       const struct pipe_depth_stencil_alpha_state *cso)
 269 {
 270    struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
 271
 272    so->pipe = *cso;
 273
 274    SB_IMMED_3D(so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
 275    SB_BEGIN_3D(so, DEPTH_TEST_ENABLE, 1);
 276    if (cso->depth.enabled) {
 277       SB_DATA    (so, 1);
 278       SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
 279       SB_DATA    (so, nvgl_comparison_op(cso->depth.func));
 280    } else {
 281       SB_DATA    (so, 0);
 282    }
 283
 284    if (cso->stencil[0].enabled) {
 285       SB_BEGIN_3D(so, STENCIL_FRONT_ENABLE, 5);
 286       SB_DATA    (so, 1);
 287       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].fail_op));
 288       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
 289       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
 290       SB_DATA    (so, nvgl_comparison_op(cso->stencil[0].func));
 291       SB_BEGIN_3D(so, STENCIL_FRONT_MASK, 2);
 292       SB_DATA    (so, cso->stencil[0].writemask);
 293       SB_DATA    (so, cso->stencil[0].valuemask);
 294    } else {
 295       SB_IMMED_3D(so, STENCIL_FRONT_ENABLE, 0);
 296    }
 297
 298    if (cso->stencil[1].enabled) {
 299       SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
 300       SB_DATA    (so, 1);
 301       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].fail_op));
 302       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
 303       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
 304       SB_DATA    (so, nvgl_comparison_op(cso->stencil[1].func));
 305       SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
 306       SB_DATA    (so, cso->stencil[1].writemask);
 307       SB_DATA    (so, cso->stencil[1].valuemask);
 308    } else {
 309       SB_IMMED_3D(so, STENCIL_TWO_SIDE_ENABLE, 0);
 310    }
 311
 312    SB_BEGIN_3D(so, ALPHA_TEST_ENABLE, 1);
 313    if (cso->alpha.enabled) {
 314       SB_DATA    (so, 1);
 315       SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
 316       SB_DATA    (so, fui(cso->alpha.ref_value));
 317       SB_DATA    (so, nvgl_comparison_op(cso->alpha.func));
 318    } else {
 319       SB_DATA    (so, 0);
 320    }
 321
 322    assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 323    return (void *)so;
 324 }
 325
 326 static void
 327 nvc0_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
 328 {
 329    struct nvc0_context *nvc0 = nvc0_context(pipe);
 330
 331    nvc0->zsa = hwcso;
 332    nvc0->dirty |= NVC0_NEW_ZSA;
 333 }
 334
 335 static void
 336 nvc0_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
 337 {
 338    FREE(hwcso);
 339 }
 340
 341 /* ====================== SAMPLERS AND TEXTURES ================================
 342  */
 343
 344 #define NV50_TSC_WRAP_CASE(n) \
 345     case PIPE_TEX_WRAP_##n: return NV50_TSC_WRAP_##n
 346
 347 static INLINE unsigned
 348 nv50_tsc_wrap_mode(unsigned wrap)
 349 {
 350    switch (wrap) {
 351    NV50_TSC_WRAP_CASE(REPEAT);
 352    NV50_TSC_WRAP_CASE(MIRROR_REPEAT);
 353    NV50_TSC_WRAP_CASE(CLAMP_TO_EDGE);
 354    NV50_TSC_WRAP_CASE(CLAMP_TO_BORDER);
 355    NV50_TSC_WRAP_CASE(CLAMP);
 356    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_EDGE);
 357    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_BORDER);
 358    NV50_TSC_WRAP_CASE(MIRROR_CLAMP);
 359    default:
 360        NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
 361        return NV50_TSC_WRAP_REPEAT;
 362    }
 363 }
 364
 365 static void *
 366 nvc0_sampler_state_create(struct pipe_context *pipe,
 367                           const struct pipe_sampler_state *cso)
 368 {
 369    struct nvc0_tsc_entry *so = CALLOC_STRUCT(nvc0_tsc_entry);
 370    float f[2];
 371
 372    so->id = -1;
 373
 374    so->tsc[0] = (0x00026000 |
 375                  (nv50_tsc_wrap_mode(cso->wrap_s) << 0) |
 376                  (nv50_tsc_wrap_mode(cso->wrap_t) << 3) |
 377                  (nv50_tsc_wrap_mode(cso->wrap_r) << 6));
 378
 379    switch (cso->mag_img_filter) {
 380    case PIPE_TEX_FILTER_LINEAR:
 381       so->tsc[1] |= NV50_TSC_1_MAGF_LINEAR;
 382       break;
 383    case PIPE_TEX_FILTER_NEAREST:
 384    default:
 385       so->tsc[1] |= NV50_TSC_1_MAGF_NEAREST;
 386       break;
 387    }
 388
 389    switch (cso->min_img_filter) {
 390    case PIPE_TEX_FILTER_LINEAR:
 391       so->tsc[1] |= NV50_TSC_1_MINF_LINEAR;
 392       break;
 393    case PIPE_TEX_FILTER_NEAREST:
 394    default:
 395       so->tsc[1] |= NV50_TSC_1_MINF_NEAREST;
 396       break;
 397    }
 398
 399    switch (cso->min_mip_filter) {
 400    case PIPE_TEX_MIPFILTER_LINEAR:
 401       so->tsc[1] |= NV50_TSC_1_MIPF_LINEAR;
 402       break;
 403    case PIPE_TEX_MIPFILTER_NEAREST:
 404       so->tsc[1] |= NV50_TSC_1_MIPF_NEAREST;
 405       break;
 406    case PIPE_TEX_MIPFILTER_NONE:
 407    default:
 408       so->tsc[1] |= NV50_TSC_1_MIPF_NONE;
 409       break;
 410    }
 411
 412    if (cso->max_anisotropy >= 16)
 413       so->tsc[0] |= (7 << 20);
 414    else
 415    if (cso->max_anisotropy >= 12)
 416       so->tsc[0] |= (6 << 20);
 417    else {
 418       so->tsc[0] |= (cso->max_anisotropy >> 1) << 20;
 419
 420       if (cso->max_anisotropy >= 4)
 421          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_35;
 422       else
 423       if (cso->max_anisotropy >= 2)
 424          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_15;
 425    }
 426
 427    if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 428       /* NOTE: must be deactivated for non-shadow textures */
 429       so->tsc[0] |= (1 << 9);
 430       so->tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
 431    }
 432
 433    f[0] = CLAMP(cso->lod_bias, -16.0f, 15.0f);
 434    so->tsc[1] |= ((int)(f[0] * 256.0f) & 0x1fff) << 12;
 435
 436    f[0] = CLAMP(cso->min_lod, 0.0f, 15.0f);
 437    f[1] = CLAMP(cso->max_lod, 0.0f, 15.0f);
 438    so->tsc[2] |=
 439       (((int)(f[1] * 256.0f) & 0xfff) << 12) | ((int)(f[0] * 256.0f) & 0xfff);
 440
 441    so->tsc[4] = fui(cso->border_color[0]);
 442    so->tsc[5] = fui(cso->border_color[1]);
 443    so->tsc[6] = fui(cso->border_color[2]);
 444    so->tsc[7] = fui(cso->border_color[3]);
 445
 446    return (void *)so;
 447 }
 448
 449 static void
 450 nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 451 {
 452    unsigned s, i;
 453
 454    for (s = 0; s < 5; ++s)
 455       for (i = 0; i < nvc0_context(pipe)->num_samplers[s]; ++i)
 456          if (nvc0_context(pipe)->samplers[s][i] == hwcso)
 457             nvc0_context(pipe)->samplers[s][i] = NULL;
 458
 459    nvc0_screen_tsc_free(nvc0_context(pipe)->screen, nvc0_tsc_entry(hwcso));
 460
 461    FREE(hwcso);
 462 }
 463
 464 static INLINE void
 465 nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0, int s,
 466                                unsigned nr, void **hwcso)
 467 {
 468    unsigned i;
 469
 470    for (i = 0; i < nr; ++i) {
 471       struct nvc0_tsc_entry *old = nvc0->samplers[s][i];
 472
 473       nvc0->samplers[s][i] = nvc0_tsc_entry(hwcso[i]);
 474       if (old)
 475          nvc0_screen_tsc_unlock(nvc0->screen, old);
 476    }
 477    for (; i < nvc0->num_samplers[s]; ++i)
 478       if (nvc0->samplers[s][i])
 479          nvc0_screen_tsc_unlock(nvc0->screen, nvc0->samplers[s][i]);
 480
 481    nvc0->num_samplers[s] = nr;
 482
 483    nvc0->dirty |= NVC0_NEW_SAMPLERS;
 484 }
 485
 486 static void
 487 nvc0_vp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 488 {
 489    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 0, nr, s);
 490 }
 491
 492 static void
 493 nvc0_fp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 494 {
 495    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 4, nr, s);
 496 }
 497
 498 static void
 499 nvc0_gp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 500 {
 501    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 3, nr, s);
 502 }
 503
 504 /* NOTE: only called when not referenced anywhere, won't be bound */
 505 static void
 506 nvc0_sampler_view_destroy(struct pipe_context *pipe,
 507                           struct pipe_sampler_view *view)
 508 {
 509    pipe_resource_reference(&view->texture, NULL);
 510
 511    nvc0_screen_tic_free(nvc0_context(pipe)->screen, nvc0_tic_entry(view));
 512
 513    FREE(nvc0_tic_entry(view));
 514 }
 515
 516 static INLINE void
 517 nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
 518                              unsigned nr,
 519                              struct pipe_sampler_view **views)
 520 {
 521    unsigned i;
 522
 523    for (i = 0; i < nr; ++i) {
 524       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 525       if (old)
 526          nvc0_screen_tic_unlock(nvc0->screen, old);
 527
 528       pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
 529    }
 530
 531    for (i = nr; i < nvc0->num_textures[s]; ++i) {
 532       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 533       if (!old)
 534          continue;
 535       nvc0_screen_tic_unlock(nvc0->screen, old);
 536
 537       pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
 538    }
 539
 540    nvc0->num_textures[s] = nr;
 541
 542    nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_TEXTURES);
 543
 544    nvc0->dirty |= NVC0_NEW_TEXTURES;
 545 }
 546
 547 static void
 548 nvc0_vp_set_sampler_views(struct pipe_context *pipe,
 549                           unsigned nr,
 550                           struct pipe_sampler_view **views)
 551 {
 552    nvc0_stage_set_sampler_views(nvc0_context(pipe), 0, nr, views);
 553 }
 554
 555 static void
 556 nvc0_fp_set_sampler_views(struct pipe_context *pipe,
 557                           unsigned nr,
 558                           struct pipe_sampler_view **views)
 559 {
 560    nvc0_stage_set_sampler_views(nvc0_context(pipe), 4, nr, views);
 561 }
 562
 563 static void
 564 nvc0_gp_set_sampler_views(struct pipe_context *pipe,
 565                           unsigned nr,
 566                           struct pipe_sampler_view **views)
 567 {
 568    nvc0_stage_set_sampler_views(nvc0_context(pipe), 3, nr, views);
 569 }
 570
 571 /* ============================= SHADERS =======================================
 572  */
 573
 574 static void *
 575 nvc0_sp_state_create(struct pipe_context *pipe,
 576                      const struct pipe_shader_state *cso, unsigned type)
 577 {
 578    struct nvc0_program *prog;
 579
 580    prog = CALLOC_STRUCT(nvc0_program);
 581    if (!prog)
 582       return NULL;
 583
 584    prog->type = type;
 585    prog->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 586
 587    return (void *)prog;
 588 }
 589
 590 static void
 591 nvc0_sp_state_delete(struct pipe_context *pipe, void *hwcso)
 592 {
 593    struct nvc0_program *prog = (struct nvc0_program *)hwcso;
 594
 595    nvc0_program_destroy(nvc0_context(pipe), prog);
 596
 597    FREE((void *)prog->pipe.tokens);
 598    FREE(prog);
 599 }
 600
 601 static void *
 602 nvc0_vp_state_create(struct pipe_context *pipe,
 603                      const struct pipe_shader_state *cso)
 604 {
 605    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_VERTEX);
 606 }
 607
 608 static void
 609 nvc0_vp_state_bind(struct pipe_context *pipe, void *hwcso)
 610 {
 611     struct nvc0_context *nvc0 = nvc0_context(pipe);
 612
 613     nvc0->vertprog = hwcso;
 614     nvc0->dirty |= NVC0_NEW_VERTPROG;
 615 }
 616
 617 static void *
 618 nvc0_fp_state_create(struct pipe_context *pipe,
 619                      const struct pipe_shader_state *cso)
 620 {
 621    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_FRAGMENT);
 622 }
 623
 624 static void
 625 nvc0_fp_state_bind(struct pipe_context *pipe, void *hwcso)
 626 {
 627     struct nvc0_context *nvc0 = nvc0_context(pipe);
 628
 629     nvc0->fragprog = hwcso;
 630     nvc0->dirty |= NVC0_NEW_FRAGPROG;
 631 }
 632
 633 static void *
 634 nvc0_gp_state_create(struct pipe_context *pipe,
 635                      const struct pipe_shader_state *cso)
 636 {
 637    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_GEOMETRY);
 638 }
 639
 640 static void
 641 nvc0_gp_state_bind(struct pipe_context *pipe, void *hwcso)
 642 {
 643     struct nvc0_context *nvc0 = nvc0_context(pipe);
 644
 645     nvc0->gmtyprog = hwcso;
 646     nvc0->dirty |= NVC0_NEW_GMTYPROG;
 647 }
 648
 649 static void
 650 nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 651                          struct pipe_resource *res)
 652 {
 653    struct nvc0_context *nvc0 = nvc0_context(pipe);
 654
 655    switch (shader) {
 656    case PIPE_SHADER_VERTEX: shader = 0; break;
 657       /*
 658    case PIPE_SHADER_TESSELLATION_CONTROL: shader = 1; break;
 659    case PIPE_SHADER_TESSELLATION_EVALUATION: shader = 2; break;
 660       */
 661    case PIPE_SHADER_GEOMETRY: shader = 3; break;
 662    case PIPE_SHADER_FRAGMENT: shader = 4; break;
 663    default:
 664       assert(0);
 665       break;
 666    }
 667
 668    if (nvc0->constbuf[shader][index])
 669       nvc0_bufctx_del_resident(nvc0, NVC0_BUFCTX_CONSTANT,
 670                                nvc0_resource(
 671                                        nvc0->constbuf[shader][index]));
 672
 673    pipe_resource_reference(&nvc0->constbuf[shader][index], res);
 674
 675    nvc0->constbuf_dirty[shader] |= 1 << index;
 676
 677    nvc0->dirty |= NVC0_NEW_CONSTBUF;
 678 }
 679
 680 /* =============================================================================
 681  */
 682
 683 static void
 684 nvc0_set_blend_color(struct pipe_context *pipe,
 685                      const struct pipe_blend_color *bcol)
 686 {
 687     struct nvc0_context *nvc0 = nvc0_context(pipe);
 688
 689     nvc0->blend_colour = *bcol;
 690     nvc0->dirty |= NVC0_NEW_BLEND_COLOUR;
 691 }
 692
 693 static void
 694 nvc0_set_stencil_ref(struct pipe_context *pipe,
 695                      const struct pipe_stencil_ref *sr)
 696 {
 697     struct nvc0_context *nvc0 = nvc0_context(pipe);
 698
 699     nvc0->stencil_ref = *sr;
 700     nvc0->dirty |= NVC0_NEW_STENCIL_REF;
 701 }
 702
 703 static void
 704 nvc0_set_clip_state(struct pipe_context *pipe,
 705                     const struct pipe_clip_state *clip)
 706 {
 707     struct nvc0_context *nvc0 = nvc0_context(pipe);
 708     const unsigned size = clip->nr * sizeof(clip->ucp[0]);
 709
 710     memcpy(&nvc0->clip.ucp[0][0], &clip->ucp[0][0], size);
 711     nvc0->clip.nr = clip->nr;
 712
 713     nvc0->clip.depth_clamp = clip->depth_clamp;
 714
 715     nvc0->dirty |= NVC0_NEW_CLIP;
 716 }
 717
 718 static void
 719 nvc0_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
 720 {
 721     struct nvc0_context *nvc0 = nvc0_context(pipe);
 722
 723     nvc0->sample_mask = sample_mask;
 724     nvc0->dirty |= NVC0_NEW_SAMPLE_MASK;
 725 }
 726
 727
 728 static void
 729 nvc0_set_framebuffer_state(struct pipe_context *pipe,
 730                            const struct pipe_framebuffer_state *fb)
 731 {
 732     struct nvc0_context *nvc0 = nvc0_context(pipe);
 733
 734     nvc0->framebuffer = *fb;
 735     nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 736 }
 737
 738 static void
 739 nvc0_set_polygon_stipple(struct pipe_context *pipe,
 740                          const struct pipe_poly_stipple *stipple)
 741 {
 742     struct nvc0_context *nvc0 = nvc0_context(pipe);
 743
 744     nvc0->stipple = *stipple;
 745     nvc0->dirty |= NVC0_NEW_STIPPLE;
 746 }
 747
 748 static void
 749 nvc0_set_scissor_state(struct pipe_context *pipe,
 750                        const struct pipe_scissor_state *scissor)
 751 {
 752     struct nvc0_context *nvc0 = nvc0_context(pipe);
 753
 754     nvc0->scissor = *scissor;
 755     nvc0->dirty |= NVC0_NEW_SCISSOR;
 756 }
 757
 758 static void
 759 nvc0_set_viewport_state(struct pipe_context *pipe,
 760                         const struct pipe_viewport_state *vpt)
 761 {
 762     struct nvc0_context *nvc0 = nvc0_context(pipe);
 763
 764     nvc0->viewport = *vpt;
 765     nvc0->dirty |= NVC0_NEW_VIEWPORT;
 766 }
 767
 768 static void
 769 nvc0_set_vertex_buffers(struct pipe_context *pipe,
 770                         unsigned count,
 771                         const struct pipe_vertex_buffer *vb)
 772 {
 773     struct nvc0_context *nvc0 = nvc0_context(pipe);
 774     unsigned i;
 775
 776     for (i = 0; i < count; ++i)
 777        pipe_resource_reference(&nvc0->vtxbuf[i].buffer, vb[i].buffer);
 778     for (; i < nvc0->num_vtxbufs; ++i)
 779        pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
 780
 781     memcpy(nvc0->vtxbuf, vb, sizeof(*vb) * count);
 782     nvc0->num_vtxbufs = count;
 783
 784     nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_VERTEX);
 785
 786     nvc0->dirty |= NVC0_NEW_ARRAYS;
 787 }
 788
 789 static void
 790 nvc0_set_index_buffer(struct pipe_context *pipe,
 791                       const struct pipe_index_buffer *ib)
 792 {
 793     struct nvc0_context *nvc0 = nvc0_context(pipe);
 794
 795     if (ib)
 796         memcpy(&nvc0->idxbuf, ib, sizeof(nvc0->idxbuf));
 797     else
 798         nvc0->idxbuf.buffer = NULL;
 799 }
 800
 801 static void
 802 nvc0_vertex_state_bind(struct pipe_context *pipe, void *hwcso)
 803 {
 804     struct nvc0_context *nvc0 = nvc0_context(pipe);
 805
 806     nvc0->vertex = hwcso;
 807     nvc0->dirty |= NVC0_NEW_VERTEX;
 808 }
 809
 810 void
 811 nvc0_init_state_functions(struct nvc0_context *nvc0)
 812 {
 813     nvc0->pipe.create_blend_state = nvc0_blend_state_create;
 814     nvc0->pipe.bind_blend_state = nvc0_blend_state_bind;
 815     nvc0->pipe.delete_blend_state = nvc0_blend_state_delete;
 816
 817     nvc0->pipe.create_rasterizer_state = nvc0_rasterizer_state_create;
 818     nvc0->pipe.bind_rasterizer_state = nvc0_rasterizer_state_bind;
 819     nvc0->pipe.delete_rasterizer_state = nvc0_rasterizer_state_delete;
 820
 821     nvc0->pipe.create_depth_stencil_alpha_state = nvc0_zsa_state_create;
 822     nvc0->pipe.bind_depth_stencil_alpha_state = nvc0_zsa_state_bind;
 823     nvc0->pipe.delete_depth_stencil_alpha_state = nvc0_zsa_state_delete;
 824
 825     nvc0->pipe.create_sampler_state = nvc0_sampler_state_create;
 826     nvc0->pipe.delete_sampler_state = nvc0_sampler_state_delete;
 827     nvc0->pipe.bind_vertex_sampler_states   = nvc0_vp_sampler_states_bind;
 828     nvc0->pipe.bind_fragment_sampler_states = nvc0_fp_sampler_states_bind;
 829     nvc0->pipe.bind_geometry_sampler_states = nvc0_gp_sampler_states_bind;
 830
 831     nvc0->pipe.create_sampler_view = nvc0_create_sampler_view;
 832     nvc0->pipe.sampler_view_destroy = nvc0_sampler_view_destroy;
 833     nvc0->pipe.set_vertex_sampler_views   = nvc0_vp_set_sampler_views;
 834     nvc0->pipe.set_fragment_sampler_views = nvc0_fp_set_sampler_views;
 835     nvc0->pipe.set_geometry_sampler_views = nvc0_gp_set_sampler_views;
 836
 837     nvc0->pipe.create_vs_state = nvc0_vp_state_create;
 838     nvc0->pipe.create_fs_state = nvc0_fp_state_create;
 839     nvc0->pipe.create_gs_state = nvc0_gp_state_create;
 840     nvc0->pipe.bind_vs_state = nvc0_vp_state_bind;
 841     nvc0->pipe.bind_fs_state = nvc0_fp_state_bind;
 842     nvc0->pipe.bind_gs_state = nvc0_gp_state_bind;
 843     nvc0->pipe.delete_vs_state = nvc0_sp_state_delete;
 844     nvc0->pipe.delete_fs_state = nvc0_sp_state_delete;
 845     nvc0->pipe.delete_gs_state = nvc0_sp_state_delete;
 846
 847     nvc0->pipe.set_blend_color = nvc0_set_blend_color;
 848     nvc0->pipe.set_stencil_ref = nvc0_set_stencil_ref;
 849     nvc0->pipe.set_clip_state = nvc0_set_clip_state;
 850     nvc0->pipe.set_sample_mask = nvc0_set_sample_mask;
 851     nvc0->pipe.set_constant_buffer = nvc0_set_constant_buffer;
 852     nvc0->pipe.set_framebuffer_state = nvc0_set_framebuffer_state;
 853     nvc0->pipe.set_polygon_stipple = nvc0_set_polygon_stipple;
 854     nvc0->pipe.set_scissor_state = nvc0_set_scissor_state;
 855     nvc0->pipe.set_viewport_state = nvc0_set_viewport_state;
 856
 857     nvc0->pipe.create_vertex_elements_state = nvc0_vertex_state_create;
 858     nvc0->pipe.delete_vertex_elements_state = nvc0_vertex_state_delete;
 859     nvc0->pipe.bind_vertex_elements_state = nvc0_vertex_state_bind;
 860
 861     nvc0->pipe.set_vertex_buffers = nvc0_set_vertex_buffers;
 862     nvc0->pipe.set_index_buffer = nvc0_set_index_buffer;
 863 }
 864