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_OUT_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_OUT_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     SB_BEGIN_3D(so, SHADE_MODEL, 1);
 180     SB_DATA    (so, cso->flatshade ? NVC0_3D_SHADE_MODEL_FLAT :
 181                                      NVC0_3D_SHADE_MODEL_SMOOTH);
 182     SB_OUT_3D  (so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
 183     SB_OUT_3D  (so, VERTEX_TWO_SIDE_ENABLE, cso->light_twoside);
 184
 185     SB_BEGIN_3D(so, LINE_WIDTH, 1);
 186     SB_DATA    (so, fui(cso->line_width));
 187     SB_OUT_3D  (so, LINE_SMOOTH_ENABLE, cso->line_smooth);
 188
 189     SB_BEGIN_3D(so, LINE_STIPPLE_ENABLE, 1);
 190     if (cso->line_stipple_enable) {
 191         SB_DATA    (so, 1);
 192         SB_BEGIN_3D(so, LINE_STIPPLE_PATTERN, 1);
 193         SB_DATA    (so, (cso->line_stipple_pattern << 8) |
 194                          cso->line_stipple_factor);
 195
 196     } else {
 197         SB_DATA    (so, 0);
 198     }
 199
 200     SB_OUT_3D(so, VP_POINT_SIZE_EN, cso->point_size_per_vertex);
 201     if (!cso->point_size_per_vertex) {
 202        SB_BEGIN_3D(so, POINT_SIZE, 1);
 203        SB_DATA    (so, fui(cso->point_size));
 204     }
 205     SB_OUT_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
 206
 207     SB_BEGIN_3D(so, POLYGON_MODE_FRONT, 1);
 208     SB_DATA    (so, nvgl_polygon_mode(cso->fill_front));
 209     SB_BEGIN_3D(so, POLYGON_MODE_BACK, 1);
 210     SB_DATA    (so, nvgl_polygon_mode(cso->fill_back));
 211     SB_OUT_3D  (so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
 212
 213     SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
 214     SB_DATA    (so, cso->cull_face != PIPE_FACE_NONE);
 215     SB_DATA    (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
 216                                      NVC0_3D_FRONT_FACE_CW);
 217     switch (cso->cull_face) {
 218     case PIPE_FACE_FRONT_AND_BACK:
 219        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
 220        break;
 221     case PIPE_FACE_FRONT:
 222        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
 223        break;
 224     case PIPE_FACE_BACK:
 225     default:
 226        SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
 227        break;
 228     }
 229
 230     SB_OUT_3D  (so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
 231     SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
 232     SB_DATA    (so, cso->offset_point);
 233     SB_DATA    (so, cso->offset_line);
 234     SB_DATA    (so, cso->offset_tri);
 235
 236     if (cso->offset_point || cso->offset_line || cso->offset_tri) {
 237         SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
 238         SB_DATA    (so, fui(cso->offset_scale));
 239         SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
 240         SB_DATA    (so, fui(cso->offset_units)); /* XXX: multiply by 2 ? */
 241     }
 242
 243     assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 244     return (void *)so;
 245 }
 246
 247 static void
 248 nvc0_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
 249 {
 250    struct nvc0_context *nvc0 = nvc0_context(pipe);
 251
 252    nvc0->rast = hwcso;
 253    nvc0->dirty |= NVC0_NEW_RASTERIZER;
 254 }
 255
 256 static void
 257 nvc0_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 258 {
 259    FREE(hwcso);
 260 }
 261
 262 static void *
 263 nvc0_zsa_state_create(struct pipe_context *pipe,
 264                       const struct pipe_depth_stencil_alpha_state *cso)
 265 {
 266    struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
 267
 268    so->pipe = *cso;
 269
 270    SB_OUT_3D  (so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
 271    SB_BEGIN_3D(so, DEPTH_TEST_ENABLE, 1);
 272    if (cso->depth.enabled) {
 273       SB_DATA    (so, 1);
 274       SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
 275       SB_DATA    (so, nvgl_comparison_op(cso->depth.func));
 276    } else {
 277       SB_DATA    (so, 0);
 278    }
 279
 280    if (cso->stencil[0].enabled) {
 281       SB_BEGIN_3D(so, STENCIL_FRONT_ENABLE, 5);
 282       SB_DATA    (so, 1);
 283       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].fail_op));
 284       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
 285       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
 286       SB_DATA    (so, nvgl_comparison_op(cso->stencil[0].func));
 287       SB_BEGIN_3D(so, STENCIL_FRONT_MASK, 2);
 288       SB_DATA    (so, cso->stencil[0].writemask);
 289       SB_DATA    (so, cso->stencil[0].valuemask);
 290    } else {
 291       SB_OUT_3D  (so, STENCIL_FRONT_ENABLE, 0);
 292    }
 293
 294    if (cso->stencil[1].enabled) {
 295       SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
 296       SB_DATA    (so, 1);
 297       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].fail_op));
 298       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
 299       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
 300       SB_DATA    (so, nvgl_comparison_op(cso->stencil[1].func));
 301       SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
 302       SB_DATA    (so, cso->stencil[1].writemask);
 303       SB_DATA    (so, cso->stencil[1].valuemask);
 304    } else {
 305       SB_OUT_3D  (so, STENCIL_TWO_SIDE_ENABLE, 0);
 306    }
 307
 308    SB_BEGIN_3D(so, ALPHA_TEST_ENABLE, 1);
 309    if (cso->alpha.enabled) {
 310       SB_DATA    (so, 1);
 311       SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
 312       SB_DATA    (so, fui(cso->alpha.ref_value));
 313       SB_DATA    (so, nvgl_comparison_op(cso->alpha.func));
 314    } else {
 315       SB_DATA    (so, 0);
 316    }
 317
 318    assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 319    return (void *)so;
 320 }
 321
 322 static void
 323 nvc0_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
 324 {
 325    struct nvc0_context *nvc0 = nvc0_context(pipe);
 326
 327    nvc0->zsa = hwcso;
 328    nvc0->dirty |= NVC0_NEW_ZSA;
 329 }
 330
 331 static void
 332 nvc0_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
 333 {
 334    FREE(hwcso);
 335 }
 336
 337 /* ====================== SAMPLERS AND TEXTURES ================================
 338  */
 339
 340 #define NV50_TSC_WRAP_CASE(n) \
 341     case PIPE_TEX_WRAP_##n: return NV50_TSC_WRAP_##n
 342
 343 static INLINE unsigned
 344 nv50_tsc_wrap_mode(unsigned wrap)
 345 {
 346    switch (wrap) {
 347    NV50_TSC_WRAP_CASE(REPEAT);
 348    NV50_TSC_WRAP_CASE(MIRROR_REPEAT);
 349    NV50_TSC_WRAP_CASE(CLAMP_TO_EDGE);
 350    NV50_TSC_WRAP_CASE(CLAMP_TO_BORDER);
 351    NV50_TSC_WRAP_CASE(CLAMP);
 352    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_EDGE);
 353    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_BORDER);
 354    NV50_TSC_WRAP_CASE(MIRROR_CLAMP);
 355    default:
 356        NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
 357        return NV50_TSC_WRAP_REPEAT;
 358    }
 359 }
 360
 361 static void *
 362 nvc0_sampler_state_create(struct pipe_context *pipe,
 363                           const struct pipe_sampler_state *cso)
 364 {
 365    struct nvc0_tsc_entry *so = CALLOC_STRUCT(nvc0_tsc_entry);
 366    float f[2];
 367
 368    so->id = -1;
 369
 370    so->tsc[0] = (0x00026000 |
 371                  (nv50_tsc_wrap_mode(cso->wrap_s) << 0) |
 372                  (nv50_tsc_wrap_mode(cso->wrap_t) << 3) |
 373                  (nv50_tsc_wrap_mode(cso->wrap_r) << 6));
 374
 375    switch (cso->mag_img_filter) {
 376    case PIPE_TEX_FILTER_LINEAR:
 377       so->tsc[1] |= NV50_TSC_1_MAGF_LINEAR;
 378       break;
 379    case PIPE_TEX_FILTER_NEAREST:
 380    default:
 381       so->tsc[1] |= NV50_TSC_1_MAGF_NEAREST;
 382       break;
 383    }
 384
 385    switch (cso->min_img_filter) {
 386    case PIPE_TEX_FILTER_LINEAR:
 387       so->tsc[1] |= NV50_TSC_1_MINF_LINEAR;
 388       break;
 389    case PIPE_TEX_FILTER_NEAREST:
 390    default:
 391       so->tsc[1] |= NV50_TSC_1_MINF_NEAREST;
 392       break;
 393    }
 394
 395    switch (cso->min_mip_filter) {
 396    case PIPE_TEX_MIPFILTER_LINEAR:
 397       so->tsc[1] |= NV50_TSC_1_MIPF_LINEAR;
 398       break;
 399    case PIPE_TEX_MIPFILTER_NEAREST:
 400       so->tsc[1] |= NV50_TSC_1_MIPF_NEAREST;
 401       break;
 402    case PIPE_TEX_MIPFILTER_NONE:
 403    default:
 404       so->tsc[1] |= NV50_TSC_1_MIPF_NONE;
 405       break;
 406    }
 407
 408    if (cso->max_anisotropy >= 16)
 409       so->tsc[0] |= (7 << 20);
 410    else
 411    if (cso->max_anisotropy >= 12)
 412       so->tsc[0] |= (6 << 20);
 413    else {
 414       so->tsc[0] |= (cso->max_anisotropy >> 1) << 20;
 415
 416       if (cso->max_anisotropy >= 4)
 417          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_35;
 418       else
 419       if (cso->max_anisotropy >= 2)
 420          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_15;
 421    }
 422
 423    if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 424       /* NOTE: must be deactivated for non-shadow textures */
 425       so->tsc[0] |= (1 << 9);
 426       so->tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
 427    }
 428
 429    f[0] = CLAMP(cso->lod_bias, -16.0f, 15.0f);
 430    so->tsc[1] |= ((int)(f[0] * 256.0f) & 0x1fff) << 12;
 431
 432    f[0] = CLAMP(cso->min_lod, 0.0f, 15.0f);
 433    f[1] = CLAMP(cso->max_lod, 0.0f, 15.0f);
 434    so->tsc[2] |=
 435       (((int)(f[1] * 256.0f) & 0xfff) << 12) | ((int)(f[0] * 256.0f) & 0xfff);
 436
 437    so->tsc[4] = fui(cso->border_color[0]);
 438    so->tsc[5] = fui(cso->border_color[1]);
 439    so->tsc[6] = fui(cso->border_color[2]);
 440    so->tsc[7] = fui(cso->border_color[3]);
 441
 442    return (void *)so;
 443 }
 444
 445 static void
 446 nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 447 {
 448    unsigned s, i;
 449
 450    for (s = 0; s < 5; ++s)
 451       for (i = 0; i < nvc0_context(pipe)->num_samplers[s]; ++i)
 452          if (nvc0_context(pipe)->samplers[s][i] == hwcso)
 453             nvc0_context(pipe)->samplers[s][i] = NULL;
 454
 455    nvc0_screen_tsc_free(nvc0_context(pipe)->screen, nvc0_tsc_entry(hwcso));
 456
 457    FREE(hwcso);
 458 }
 459
 460 static INLINE void
 461 nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0, int s,
 462                                unsigned nr, void **hwcso)
 463 {
 464    unsigned i;
 465
 466    for (i = 0; i < nr; ++i) {
 467       struct nvc0_tsc_entry *old = nvc0->samplers[s][i];
 468
 469       nvc0->samplers[s][i] = nvc0_tsc_entry(hwcso[i]);
 470       if (old)
 471          nvc0_screen_tsc_unlock(nvc0->screen, old);
 472    }
 473    for (; i < nvc0->num_samplers[s]; ++i)
 474       if (nvc0->samplers[s][i])
 475          nvc0_screen_tsc_unlock(nvc0->screen, nvc0->samplers[s][i]);
 476
 477    nvc0->num_samplers[s] = nr;
 478
 479    nvc0->dirty |= NVC0_NEW_SAMPLERS;
 480 }
 481
 482 static void
 483 nvc0_vp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 484 {
 485    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 0, nr, s);
 486 }
 487
 488 static void
 489 nvc0_fp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 490 {
 491    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 4, nr, s);
 492 }
 493
 494 static void
 495 nvc0_gp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 496 {
 497    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 3, nr, s);
 498 }
 499
 500 /* NOTE: only called when not referenced anywhere, won't be bound */
 501 static void
 502 nvc0_sampler_view_destroy(struct pipe_context *pipe,
 503                           struct pipe_sampler_view *view)
 504 {
 505    pipe_resource_reference(&view->texture, NULL);
 506
 507    nvc0_screen_tic_free(nvc0_context(pipe)->screen, nvc0_tic_entry(view));
 508
 509    FREE(nvc0_tic_entry(view));
 510 }
 511
 512 static INLINE void
 513 nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
 514                              unsigned nr,
 515                              struct pipe_sampler_view **views)
 516 {
 517    unsigned i;
 518
 519    for (i = 0; i < nr; ++i) {
 520       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 521       if (old)
 522          nvc0_screen_tic_unlock(nvc0->screen, old);
 523
 524       pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
 525    }
 526
 527    for (i = nr; i < nvc0->num_textures[s]; ++i) {
 528       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 529       if (!old)
 530          continue;
 531       nvc0_screen_tic_unlock(nvc0->screen, old);
 532
 533       pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
 534    }
 535
 536    nvc0->num_textures[s] = nr;
 537
 538    nvc0->dirty |= NVC0_NEW_TEXTURES;
 539 }
 540
 541 static void
 542 nvc0_vp_set_sampler_views(struct pipe_context *pipe,
 543                           unsigned nr,
 544                           struct pipe_sampler_view **views)
 545 {
 546    nvc0_stage_set_sampler_views(nvc0_context(pipe), 0, nr, views);
 547 }
 548
 549 static void
 550 nvc0_fp_set_sampler_views(struct pipe_context *pipe,
 551                           unsigned nr,
 552                           struct pipe_sampler_view **views)
 553 {
 554    nvc0_stage_set_sampler_views(nvc0_context(pipe), 4, nr, views);
 555 }
 556
 557 static void
 558 nvc0_gp_set_sampler_views(struct pipe_context *pipe,
 559                           unsigned nr,
 560                           struct pipe_sampler_view **views)
 561 {
 562    nvc0_stage_set_sampler_views(nvc0_context(pipe), 3, nr, views);
 563 }
 564
 565 /* ============================= SHADERS =======================================
 566  */
 567
 568 static void *
 569 nvc0_sp_state_create(struct pipe_context *pipe,
 570                      const struct pipe_shader_state *cso, unsigned type)
 571 {
 572    struct nvc0_program *prog;
 573
 574    prog = CALLOC_STRUCT(nvc0_program);
 575    if (!prog)
 576       return NULL;
 577
 578    prog->type = type;
 579    prog->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 580
 581    return (void *)prog;
 582 }
 583
 584 static void
 585 nvc0_sp_state_delete(struct pipe_context *pipe, void *hwcso)
 586 {
 587    struct nvc0_program *prog = (struct nvc0_program *)hwcso;
 588
 589    nvc0_program_destroy(nvc0_context(pipe), prog);
 590
 591    FREE((void *)prog->pipe.tokens);
 592    FREE(prog);
 593 }
 594
 595 static void *
 596 nvc0_vp_state_create(struct pipe_context *pipe,
 597                      const struct pipe_shader_state *cso)
 598 {
 599    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_VERTEX);
 600 }
 601
 602 static void
 603 nvc0_vp_state_bind(struct pipe_context *pipe, void *hwcso)
 604 {
 605     struct nvc0_context *nvc0 = nvc0_context(pipe);
 606
 607     nvc0->vertprog = hwcso;
 608     nvc0->dirty |= NVC0_NEW_VERTPROG;
 609 }
 610
 611 static void *
 612 nvc0_fp_state_create(struct pipe_context *pipe,
 613                      const struct pipe_shader_state *cso)
 614 {
 615    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_FRAGMENT);
 616 }
 617
 618 static void
 619 nvc0_fp_state_bind(struct pipe_context *pipe, void *hwcso)
 620 {
 621     struct nvc0_context *nvc0 = nvc0_context(pipe);
 622
 623     nvc0->fragprog = hwcso;
 624     nvc0->dirty |= NVC0_NEW_FRAGPROG;
 625 }
 626
 627 static void *
 628 nvc0_gp_state_create(struct pipe_context *pipe,
 629                      const struct pipe_shader_state *cso)
 630 {
 631    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_GEOMETRY);
 632 }
 633
 634 static void
 635 nvc0_gp_state_bind(struct pipe_context *pipe, void *hwcso)
 636 {
 637     struct nvc0_context *nvc0 = nvc0_context(pipe);
 638
 639     nvc0->gmtyprog = hwcso;
 640     nvc0->dirty |= NVC0_NEW_GMTYPROG;
 641 }
 642
 643 static void
 644 nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 645                          struct pipe_resource *res)
 646 {
 647    struct nvc0_context *nvc0 = nvc0_context(pipe);
 648
 649    switch (shader) {
 650    case PIPE_SHADER_VERTEX: shader = 0; break;
 651       /*
 652    case PIPE_SHADER_TESSELLATION_CONTROL: shader = 1; break;
 653    case PIPE_SHADER_TESSELLATION_EVALUATION: shader = 2; break;
 654       */
 655    case PIPE_SHADER_GEOMETRY: shader = 3; break;
 656    case PIPE_SHADER_FRAGMENT: shader = 4; break;
 657    default:
 658       assert(0);
 659       break;
 660    }
 661
 662    if (nvc0->constbuf[shader][index])
 663       nvc0_bufctx_del_resident(nvc0, NVC0_BUFCTX_CONSTANT,
 664                                nvc0_resource(
 665                                        nvc0->constbuf[shader][index]));
 666
 667    pipe_resource_reference(&nvc0->constbuf[shader][index], res);
 668
 669    nvc0->constbuf_dirty[shader] |= 1 << index;
 670
 671    nvc0->dirty |= NVC0_NEW_CONSTBUF;
 672 }
 673
 674 /* =============================================================================
 675  */
 676
 677 static void
 678 nvc0_set_blend_color(struct pipe_context *pipe,
 679                      const struct pipe_blend_color *bcol)
 680 {
 681     struct nvc0_context *nvc0 = nvc0_context(pipe);
 682
 683     nvc0->blend_colour = *bcol;
 684     nvc0->dirty |= NVC0_NEW_BLEND_COLOUR;
 685 }
 686
 687 static void
 688 nvc0_set_stencil_ref(struct pipe_context *pipe,
 689                      const struct pipe_stencil_ref *sr)
 690 {
 691     struct nvc0_context *nvc0 = nvc0_context(pipe);
 692
 693     nvc0->stencil_ref = *sr;
 694     nvc0->dirty |= NVC0_NEW_STENCIL_REF;
 695 }
 696
 697 static void
 698 nvc0_set_clip_state(struct pipe_context *pipe,
 699                     const struct pipe_clip_state *clip)
 700 {
 701     struct nvc0_context *nvc0 = nvc0_context(pipe);
 702
 703     nvc0->clip.depth_clamp = clip->depth_clamp;
 704     nvc0->dirty |= NVC0_NEW_CLIP;
 705 }
 706
 707 static void
 708 nvc0_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
 709 {
 710     struct nvc0_context *nvc0 = nvc0_context(pipe);
 711
 712     nvc0->sample_mask = sample_mask;
 713     nvc0->dirty |= NVC0_NEW_SAMPLE_MASK;
 714 }
 715
 716
 717 static void
 718 nvc0_set_framebuffer_state(struct pipe_context *pipe,
 719                            const struct pipe_framebuffer_state *fb)
 720 {
 721     struct nvc0_context *nvc0 = nvc0_context(pipe);
 722
 723     nvc0->framebuffer = *fb;
 724     nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 725 }
 726
 727 static void
 728 nvc0_set_polygon_stipple(struct pipe_context *pipe,
 729                          const struct pipe_poly_stipple *stipple)
 730 {
 731     struct nvc0_context *nvc0 = nvc0_context(pipe);
 732
 733     nvc0->stipple = *stipple;
 734     nvc0->dirty |= NVC0_NEW_STIPPLE;
 735 }
 736
 737 static void
 738 nvc0_set_scissor_state(struct pipe_context *pipe,
 739                        const struct pipe_scissor_state *scissor)
 740 {
 741     struct nvc0_context *nvc0 = nvc0_context(pipe);
 742
 743     nvc0->scissor = *scissor;
 744     nvc0->dirty |= NVC0_NEW_SCISSOR;
 745 }
 746
 747 static void
 748 nvc0_set_viewport_state(struct pipe_context *pipe,
 749                         const struct pipe_viewport_state *vpt)
 750 {
 751     struct nvc0_context *nvc0 = nvc0_context(pipe);
 752
 753     nvc0->viewport = *vpt;
 754     nvc0->dirty |= NVC0_NEW_VIEWPORT;
 755 }
 756
 757 static void
 758 nvc0_set_vertex_buffers(struct pipe_context *pipe,
 759                         unsigned count,
 760                         const struct pipe_vertex_buffer *vb)
 761 {
 762     struct nvc0_context *nvc0 = nvc0_context(pipe);
 763
 764     memcpy(nvc0->vtxbuf, vb, sizeof(*vb) * count);
 765     nvc0->num_vtxbufs = count;
 766
 767     nvc0->dirty |= NVC0_NEW_ARRAYS;
 768 }
 769
 770 static void
 771 nvc0_set_index_buffer(struct pipe_context *pipe,
 772                       const struct pipe_index_buffer *ib)
 773 {
 774     struct nvc0_context *nvc0 = nvc0_context(pipe);
 775
 776     if (ib)
 777         memcpy(&nvc0->idxbuf, ib, sizeof(nvc0->idxbuf));
 778     else
 779         nvc0->idxbuf.buffer = NULL;
 780 }
 781
 782 static void
 783 nvc0_vertex_state_bind(struct pipe_context *pipe, void *hwcso)
 784 {
 785     struct nvc0_context *nvc0 = nvc0_context(pipe);
 786
 787     nvc0->vertex = hwcso;
 788     nvc0->dirty |= NVC0_NEW_VERTEX;
 789 }
 790
 791 void
 792 nvc0_init_state_functions(struct nvc0_context *nvc0)
 793 {
 794     nvc0->pipe.create_blend_state = nvc0_blend_state_create;
 795     nvc0->pipe.bind_blend_state = nvc0_blend_state_bind;
 796     nvc0->pipe.delete_blend_state = nvc0_blend_state_delete;
 797
 798     nvc0->pipe.create_rasterizer_state = nvc0_rasterizer_state_create;
 799     nvc0->pipe.bind_rasterizer_state = nvc0_rasterizer_state_bind;
 800     nvc0->pipe.delete_rasterizer_state = nvc0_rasterizer_state_delete;
 801
 802     nvc0->pipe.create_depth_stencil_alpha_state = nvc0_zsa_state_create;
 803     nvc0->pipe.bind_depth_stencil_alpha_state = nvc0_zsa_state_bind;
 804     nvc0->pipe.delete_depth_stencil_alpha_state = nvc0_zsa_state_delete;
 805
 806     nvc0->pipe.create_sampler_state = nvc0_sampler_state_create;
 807     nvc0->pipe.delete_sampler_state = nvc0_sampler_state_delete;
 808     nvc0->pipe.bind_vertex_sampler_states   = nvc0_vp_sampler_states_bind;
 809     nvc0->pipe.bind_fragment_sampler_states = nvc0_fp_sampler_states_bind;
 810     nvc0->pipe.bind_geometry_sampler_states = nvc0_gp_sampler_states_bind;
 811
 812     nvc0->pipe.create_sampler_view = nvc0_create_sampler_view;
 813     nvc0->pipe.sampler_view_destroy = nvc0_sampler_view_destroy;
 814     nvc0->pipe.set_vertex_sampler_views   = nvc0_vp_set_sampler_views;
 815     nvc0->pipe.set_fragment_sampler_views = nvc0_fp_set_sampler_views;
 816     nvc0->pipe.set_geometry_sampler_views = nvc0_gp_set_sampler_views;
 817
 818     nvc0->pipe.create_vs_state = nvc0_vp_state_create;
 819     nvc0->pipe.create_fs_state = nvc0_fp_state_create;
 820     nvc0->pipe.create_gs_state = nvc0_gp_state_create;
 821     nvc0->pipe.bind_vs_state = nvc0_vp_state_bind;
 822     nvc0->pipe.bind_fs_state = nvc0_fp_state_bind;
 823     nvc0->pipe.bind_gs_state = nvc0_gp_state_bind;
 824     nvc0->pipe.delete_vs_state = nvc0_sp_state_delete;
 825     nvc0->pipe.delete_fs_state = nvc0_sp_state_delete;
 826     nvc0->pipe.delete_gs_state = nvc0_sp_state_delete;
 827
 828     nvc0->pipe.set_blend_color = nvc0_set_blend_color;
 829     nvc0->pipe.set_stencil_ref = nvc0_set_stencil_ref;
 830     nvc0->pipe.set_clip_state = nvc0_set_clip_state;
 831     nvc0->pipe.set_sample_mask = nvc0_set_sample_mask;
 832     nvc0->pipe.set_constant_buffer = nvc0_set_constant_buffer;
 833     nvc0->pipe.set_framebuffer_state = nvc0_set_framebuffer_state;
 834     nvc0->pipe.set_polygon_stipple = nvc0_set_polygon_stipple;
 835     nvc0->pipe.set_scissor_state = nvc0_set_scissor_state;
 836     nvc0->pipe.set_viewport_state = nvc0_set_viewport_state;
 837
 838     nvc0->pipe.create_vertex_elements_state = nvc0_vertex_state_create;
 839     nvc0->pipe.delete_vertex_elements_state = nvc0_vertex_state_delete;
 840     nvc0->pipe.bind_vertex_elements_state = nvc0_vertex_state_bind;
 841
 842     nvc0->pipe.set_vertex_buffers = nvc0_set_vertex_buffers;
 843     nvc0->pipe.set_index_buffer = nvc0_set_index_buffer;
 844 }
 845