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 #include "util/u_transfer.h"
  26
  27 #include "tgsi/tgsi_parse.h"
  28
  29 #include "nvc0_stateobj.h"
  30 #include "nvc0_context.h"
  31
  32 #include "nvc0_3d.xml.h"
  33 #include "nv50_texture.xml.h"
  34
  35 #include "nouveau/nouveau_gldefs.h"
  36
  37 static INLINE uint32_t
  38 nvc0_colormask(unsigned mask)
  39 {
  40     uint32_t ret = 0;
  41
  42     if (mask & PIPE_MASK_R)
  43         ret |= 0x0001;
  44     if (mask & PIPE_MASK_G)
  45         ret |= 0x0010;
  46     if (mask & PIPE_MASK_B)
  47         ret |= 0x0100;
  48     if (mask & PIPE_MASK_A)
  49         ret |= 0x1000;
  50
  51     return ret;
  52 }
  53
  54 #define NVC0_BLEND_FACTOR_CASE(a, b) \
  55    case PIPE_BLENDFACTOR_##a: return NV50_3D_BLEND_FACTOR_##b
  56
  57 static INLINE uint32_t
  58 nvc0_blend_fac(unsigned factor)
  59 {
  60    switch (factor) {
  61    NVC0_BLEND_FACTOR_CASE(ONE, ONE);
  62    NVC0_BLEND_FACTOR_CASE(SRC_COLOR, SRC_COLOR);
  63    NVC0_BLEND_FACTOR_CASE(SRC_ALPHA, SRC_ALPHA);
  64    NVC0_BLEND_FACTOR_CASE(DST_ALPHA, DST_ALPHA);
  65    NVC0_BLEND_FACTOR_CASE(DST_COLOR, DST_COLOR);
  66    NVC0_BLEND_FACTOR_CASE(SRC_ALPHA_SATURATE, SRC_ALPHA_SATURATE);
  67    NVC0_BLEND_FACTOR_CASE(CONST_COLOR, CONSTANT_COLOR);
  68    NVC0_BLEND_FACTOR_CASE(CONST_ALPHA, CONSTANT_ALPHA);
  69    NVC0_BLEND_FACTOR_CASE(SRC1_COLOR, SRC1_COLOR);
  70    NVC0_BLEND_FACTOR_CASE(SRC1_ALPHA, SRC1_ALPHA);
  71    NVC0_BLEND_FACTOR_CASE(ZERO, ZERO);
  72    NVC0_BLEND_FACTOR_CASE(INV_SRC_COLOR, ONE_MINUS_SRC_COLOR);
  73    NVC0_BLEND_FACTOR_CASE(INV_SRC_ALPHA, ONE_MINUS_SRC_ALPHA);
  74    NVC0_BLEND_FACTOR_CASE(INV_DST_ALPHA, ONE_MINUS_DST_ALPHA);
  75    NVC0_BLEND_FACTOR_CASE(INV_DST_COLOR, ONE_MINUS_DST_COLOR);
  76    NVC0_BLEND_FACTOR_CASE(INV_CONST_COLOR, ONE_MINUS_CONSTANT_COLOR);
  77    NVC0_BLEND_FACTOR_CASE(INV_CONST_ALPHA, ONE_MINUS_CONSTANT_ALPHA);
  78    NVC0_BLEND_FACTOR_CASE(INV_SRC1_COLOR, ONE_MINUS_SRC1_COLOR);
  79    NVC0_BLEND_FACTOR_CASE(INV_SRC1_ALPHA, ONE_MINUS_SRC1_ALPHA);
  80    default:
  81       return NV50_3D_BLEND_FACTOR_ZERO;
  82    }
  83 }
  84
  85 static void *
  86 nvc0_blend_state_create(struct pipe_context *pipe,
  87                         const struct pipe_blend_state *cso)
  88 {
  89     struct nvc0_blend_stateobj *so = CALLOC_STRUCT(nvc0_blend_stateobj);
  90     int i;
  91
  92     so->pipe = *cso;
  93
  94     SB_IMMED_3D(so, BLEND_INDEPENDENT, cso->independent_blend_enable);
  95
  96     if (!cso->independent_blend_enable) {
  97         SB_BEGIN_3D(so, BLEND_ENABLES, 1);
  98         SB_DATA    (so, cso->rt[0].blend_enable ? 0xff : 0);
  99
 100         if (cso->rt[0].blend_enable) {
 101             SB_BEGIN_3D(so, BLEND_EQUATION_RGB, 5);
 102             SB_DATA    (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
 103             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].rgb_src_factor));
 104             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].rgb_dst_factor));
 105             SB_DATA    (so, nvgl_blend_eqn(cso->rt[0].alpha_func));
 106             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].alpha_src_factor));
 107             SB_BEGIN_3D(so, BLEND_FUNC_DST_ALPHA, 1);
 108             SB_DATA    (so, nvc0_blend_fac(cso->rt[0].alpha_dst_factor));
 109         }
 110
 111         SB_BEGIN_3D(so, COLOR_MASK_BROADCAST, 1);
 112         SB_DATA    (so, nvc0_colormask(cso->rt[0].colormask));
 113     } else {
 114         uint8_t en = 0;
 115
 116         for (i = 0; i < 8; ++i) {
 117             if (!cso->rt[i].blend_enable)
 118                 continue;
 119             en |= 1 << i;
 120
 121             SB_BEGIN_3D(so, IBLEND_EQUATION_RGB(i), 6);
 122             SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].rgb_func));
 123             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_src_factor));
 124             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].rgb_dst_factor));
 125             SB_DATA    (so, nvgl_blend_eqn(cso->rt[i].alpha_func));
 126             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_src_factor));
 127             SB_DATA    (so, nvc0_blend_fac(cso->rt[i].alpha_dst_factor));
 128         }
 129         SB_BEGIN_3D(so, BLEND_ENABLES, 1);
 130         SB_DATA    (so, en);
 131
 132         SB_BEGIN_3D(so, COLOR_MASK(0), 8);
 133         for (i = 0; i < 8; ++i)
 134             SB_DATA(so, nvc0_colormask(cso->rt[i].colormask));
 135     }
 136
 137     if (cso->logicop_enable) {
 138        SB_BEGIN_3D(so, LOGIC_OP_ENABLE, 2);
 139        SB_DATA    (so, 1);
 140        SB_DATA    (so, nvgl_logicop_func(cso->logicop_func));
 141     } else {
 142        SB_IMMED_3D(so, LOGIC_OP_ENABLE, 0);
 143     }
 144
 145     assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 146     return so;
 147 }
 148
 149 static void
 150 nvc0_blend_state_bind(struct pipe_context *pipe, void *hwcso)
 151 {
 152     struct nvc0_context *nvc0 = nvc0_context(pipe);
 153
 154     nvc0->blend = hwcso;
 155     nvc0->dirty |= NVC0_NEW_BLEND;
 156 }
 157
 158 static void
 159 nvc0_blend_state_delete(struct pipe_context *pipe, void *hwcso)
 160 {
 161     FREE(hwcso);
 162 }
 163
 164 static void *
 165 nvc0_rasterizer_state_create(struct pipe_context *pipe,
 166                              const struct pipe_rasterizer_state *cso)
 167 {
 168     struct nvc0_rasterizer_stateobj *so;
 169
 170     so = CALLOC_STRUCT(nvc0_rasterizer_stateobj);
 171     if (!so)
 172         return NULL;
 173     so->pipe = *cso;
 174
 175     /* Scissor enables are handled in scissor state, we will not want to
 176      * always emit 16 commands, one for each scissor rectangle, here.
 177      */
 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_IMMED_3D(so, PROVOKING_VERTEX_LAST, !cso->flatshade_first);
 183     SB_IMMED_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_IMMED_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_IMMED_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_IMMED_3D(so, POINT_SPRITE_ENABLE, cso->point_quad_rasterization);
 206     SB_IMMED_3D(so, POINT_SMOOTH_ENABLE, cso->point_smooth);
 207
 208     SB_BEGIN_3D(so, POLYGON_MODE_FRONT, 1);
 209     SB_DATA    (so, nvgl_polygon_mode(cso->fill_front));
 210     SB_BEGIN_3D(so, POLYGON_MODE_BACK, 1);
 211     SB_DATA    (so, nvgl_polygon_mode(cso->fill_back));
 212     SB_IMMED_3D(so, POLYGON_SMOOTH_ENABLE, cso->poly_smooth);
 213
 214     SB_BEGIN_3D(so, CULL_FACE_ENABLE, 3);
 215     SB_DATA    (so, cso->cull_face != PIPE_FACE_NONE);
 216     SB_DATA    (so, cso->front_ccw ? NVC0_3D_FRONT_FACE_CCW :
 217                                      NVC0_3D_FRONT_FACE_CW);
 218     switch (cso->cull_face) {
 219     case PIPE_FACE_FRONT_AND_BACK:
 220        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT_AND_BACK);
 221        break;
 222     case PIPE_FACE_FRONT:
 223        SB_DATA(so, NVC0_3D_CULL_FACE_FRONT);
 224        break;
 225     case PIPE_FACE_BACK:
 226     default:
 227        SB_DATA(so, NVC0_3D_CULL_FACE_BACK);
 228        break;
 229     }
 230
 231     SB_IMMED_3D(so, POLYGON_STIPPLE_ENABLE, cso->poly_stipple_enable);
 232     SB_BEGIN_3D(so, POLYGON_OFFSET_POINT_ENABLE, 3);
 233     SB_DATA    (so, cso->offset_point);
 234     SB_DATA    (so, cso->offset_line);
 235     SB_DATA    (so, cso->offset_tri);
 236
 237     if (cso->offset_point || cso->offset_line || cso->offset_tri) {
 238         SB_BEGIN_3D(so, POLYGON_OFFSET_FACTOR, 1);
 239         SB_DATA    (so, fui(cso->offset_scale));
 240         SB_BEGIN_3D(so, POLYGON_OFFSET_UNITS, 1);
 241         SB_DATA    (so, fui(cso->offset_units * 2.0f));
 242     }
 243
 244     assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 245     return (void *)so;
 246 }
 247
 248 static void
 249 nvc0_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
 250 {
 251    struct nvc0_context *nvc0 = nvc0_context(pipe);
 252
 253    nvc0->rast = hwcso;
 254    nvc0->dirty |= NVC0_NEW_RASTERIZER;
 255 }
 256
 257 static void
 258 nvc0_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
 259 {
 260    FREE(hwcso);
 261 }
 262
 263 static void *
 264 nvc0_zsa_state_create(struct pipe_context *pipe,
 265                       const struct pipe_depth_stencil_alpha_state *cso)
 266 {
 267    struct nvc0_zsa_stateobj *so = CALLOC_STRUCT(nvc0_zsa_stateobj);
 268
 269    so->pipe = *cso;
 270
 271    SB_IMMED_3D(so, DEPTH_WRITE_ENABLE, cso->depth.writemask);
 272    SB_BEGIN_3D(so, DEPTH_TEST_ENABLE, 1);
 273    if (cso->depth.enabled) {
 274       SB_DATA    (so, 1);
 275       SB_BEGIN_3D(so, DEPTH_TEST_FUNC, 1);
 276       SB_DATA    (so, nvgl_comparison_op(cso->depth.func));
 277    } else {
 278       SB_DATA    (so, 0);
 279    }
 280
 281    if (cso->stencil[0].enabled) {
 282       SB_BEGIN_3D(so, STENCIL_ENABLE, 5);
 283       SB_DATA    (so, 1);
 284       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].fail_op));
 285       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
 286       SB_DATA    (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
 287       SB_DATA    (so, nvgl_comparison_op(cso->stencil[0].func));
 288       SB_BEGIN_3D(so, STENCIL_FRONT_FUNC_MASK, 2);
 289       SB_DATA    (so, cso->stencil[0].valuemask);
 290       SB_DATA    (so, cso->stencil[0].writemask);
 291    } else {
 292       SB_IMMED_3D(so, STENCIL_ENABLE, 0);
 293    }
 294
 295    if (cso->stencil[1].enabled) {
 296       assert(cso->stencil[0].enabled);
 297       SB_BEGIN_3D(so, STENCIL_TWO_SIDE_ENABLE, 5);
 298       SB_DATA    (so, 1);
 299       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].fail_op));
 300       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
 301       SB_DATA    (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
 302       SB_DATA    (so, nvgl_comparison_op(cso->stencil[1].func));
 303       SB_BEGIN_3D(so, STENCIL_BACK_MASK, 2);
 304       SB_DATA    (so, cso->stencil[1].writemask);
 305       SB_DATA    (so, cso->stencil[1].valuemask);
 306    } else
 307    if (cso->stencil[0].enabled) {
 308       SB_IMMED_3D(so, STENCIL_TWO_SIDE_ENABLE, 0);
 309    }
 310
 311    SB_BEGIN_3D(so, ALPHA_TEST_ENABLE, 1);
 312    if (cso->alpha.enabled) {
 313       SB_DATA    (so, 1);
 314       SB_BEGIN_3D(so, ALPHA_TEST_REF, 2);
 315       SB_DATA    (so, fui(cso->alpha.ref_value));
 316       SB_DATA    (so, nvgl_comparison_op(cso->alpha.func));
 317    } else {
 318       SB_DATA    (so, 0);
 319    }
 320
 321    assert(so->size < (sizeof(so->state) / sizeof(so->state[0])));
 322    return (void *)so;
 323 }
 324
 325 static void
 326 nvc0_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
 327 {
 328    struct nvc0_context *nvc0 = nvc0_context(pipe);
 329
 330    nvc0->zsa = hwcso;
 331    nvc0->dirty |= NVC0_NEW_ZSA;
 332 }
 333
 334 static void
 335 nvc0_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
 336 {
 337    FREE(hwcso);
 338 }
 339
 340 /* ====================== SAMPLERS AND TEXTURES ================================
 341  */
 342
 343 #define NV50_TSC_WRAP_CASE(n) \
 344     case PIPE_TEX_WRAP_##n: return NV50_TSC_WRAP_##n
 345
 346 static INLINE unsigned
 347 nv50_tsc_wrap_mode(unsigned wrap)
 348 {
 349    switch (wrap) {
 350    NV50_TSC_WRAP_CASE(REPEAT);
 351    NV50_TSC_WRAP_CASE(MIRROR_REPEAT);
 352    NV50_TSC_WRAP_CASE(CLAMP_TO_EDGE);
 353    NV50_TSC_WRAP_CASE(CLAMP_TO_BORDER);
 354    NV50_TSC_WRAP_CASE(CLAMP);
 355    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_EDGE);
 356    NV50_TSC_WRAP_CASE(MIRROR_CLAMP_TO_BORDER);
 357    NV50_TSC_WRAP_CASE(MIRROR_CLAMP);
 358    default:
 359        NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
 360        return NV50_TSC_WRAP_REPEAT;
 361    }
 362 }
 363
 364 static void *
 365 nvc0_sampler_state_create(struct pipe_context *pipe,
 366                           const struct pipe_sampler_state *cso)
 367 {
 368    struct nvc0_tsc_entry *so = CALLOC_STRUCT(nvc0_tsc_entry);
 369    float f[2];
 370
 371    so->id = -1;
 372
 373    so->tsc[0] = (0x00026000 |
 374                  (nv50_tsc_wrap_mode(cso->wrap_s) << 0) |
 375                  (nv50_tsc_wrap_mode(cso->wrap_t) << 3) |
 376                  (nv50_tsc_wrap_mode(cso->wrap_r) << 6));
 377
 378    switch (cso->mag_img_filter) {
 379    case PIPE_TEX_FILTER_LINEAR:
 380       so->tsc[1] |= NV50_TSC_1_MAGF_LINEAR;
 381       break;
 382    case PIPE_TEX_FILTER_NEAREST:
 383    default:
 384       so->tsc[1] |= NV50_TSC_1_MAGF_NEAREST;
 385       break;
 386    }
 387
 388    switch (cso->min_img_filter) {
 389    case PIPE_TEX_FILTER_LINEAR:
 390       so->tsc[1] |= NV50_TSC_1_MINF_LINEAR;
 391       break;
 392    case PIPE_TEX_FILTER_NEAREST:
 393    default:
 394       so->tsc[1] |= NV50_TSC_1_MINF_NEAREST;
 395       break;
 396    }
 397
 398    switch (cso->min_mip_filter) {
 399    case PIPE_TEX_MIPFILTER_LINEAR:
 400       so->tsc[1] |= NV50_TSC_1_MIPF_LINEAR;
 401       break;
 402    case PIPE_TEX_MIPFILTER_NEAREST:
 403       so->tsc[1] |= NV50_TSC_1_MIPF_NEAREST;
 404       break;
 405    case PIPE_TEX_MIPFILTER_NONE:
 406    default:
 407       so->tsc[1] |= NV50_TSC_1_MIPF_NONE;
 408       break;
 409    }
 410
 411    if (cso->max_anisotropy >= 16)
 412       so->tsc[0] |= (7 << 20);
 413    else
 414    if (cso->max_anisotropy >= 12)
 415       so->tsc[0] |= (6 << 20);
 416    else {
 417       so->tsc[0] |= (cso->max_anisotropy >> 1) << 20;
 418
 419       if (cso->max_anisotropy >= 4)
 420          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_35;
 421       else
 422       if (cso->max_anisotropy >= 2)
 423          so->tsc[1] |= NV50_TSC_1_UNKN_ANISO_15;
 424    }
 425
 426    if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
 427       /* NOTE: must be deactivated for non-shadow textures */
 428       so->tsc[0] |= (1 << 9);
 429       so->tsc[0] |= (nvgl_comparison_op(cso->compare_func) & 0x7) << 10;
 430    }
 431
 432    f[0] = CLAMP(cso->lod_bias, -16.0f, 15.0f);
 433    so->tsc[1] |= ((int)(f[0] * 256.0f) & 0x1fff) << 12;
 434
 435    f[0] = CLAMP(cso->min_lod, 0.0f, 15.0f);
 436    f[1] = CLAMP(cso->max_lod, 0.0f, 15.0f);
 437    so->tsc[2] |=
 438       (((int)(f[1] * 256.0f) & 0xfff) << 12) | ((int)(f[0] * 256.0f) & 0xfff);
 439
 440    so->tsc[4] = fui(cso->border_color[0]);
 441    so->tsc[5] = fui(cso->border_color[1]);
 442    so->tsc[6] = fui(cso->border_color[2]);
 443    so->tsc[7] = fui(cso->border_color[3]);
 444
 445    return (void *)so;
 446 }
 447
 448 static void
 449 nvc0_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
 450 {
 451    unsigned s, i;
 452
 453    for (s = 0; s < 5; ++s)
 454       for (i = 0; i < nvc0_context(pipe)->num_samplers[s]; ++i)
 455          if (nvc0_context(pipe)->samplers[s][i] == hwcso)
 456             nvc0_context(pipe)->samplers[s][i] = NULL;
 457
 458    nvc0_screen_tsc_free(nvc0_context(pipe)->screen, nvc0_tsc_entry(hwcso));
 459
 460    FREE(hwcso);
 461 }
 462
 463 static INLINE void
 464 nvc0_stage_sampler_states_bind(struct nvc0_context *nvc0, int s,
 465                                unsigned nr, void **hwcso)
 466 {
 467    unsigned i;
 468
 469    for (i = 0; i < nr; ++i) {
 470       struct nvc0_tsc_entry *old = nvc0->samplers[s][i];
 471
 472       nvc0->samplers[s][i] = nvc0_tsc_entry(hwcso[i]);
 473       if (old)
 474          nvc0_screen_tsc_unlock(nvc0->screen, old);
 475    }
 476    for (; i < nvc0->num_samplers[s]; ++i)
 477       if (nvc0->samplers[s][i])
 478          nvc0_screen_tsc_unlock(nvc0->screen, nvc0->samplers[s][i]);
 479
 480    nvc0->num_samplers[s] = nr;
 481
 482    nvc0->dirty |= NVC0_NEW_SAMPLERS;
 483 }
 484
 485 static void
 486 nvc0_vp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 487 {
 488    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 0, nr, s);
 489 }
 490
 491 static void
 492 nvc0_fp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 493 {
 494    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 4, nr, s);
 495 }
 496
 497 static void
 498 nvc0_gp_sampler_states_bind(struct pipe_context *pipe, unsigned nr, void **s)
 499 {
 500    nvc0_stage_sampler_states_bind(nvc0_context(pipe), 3, nr, s);
 501 }
 502
 503 /* NOTE: only called when not referenced anywhere, won't be bound */
 504 static void
 505 nvc0_sampler_view_destroy(struct pipe_context *pipe,
 506                           struct pipe_sampler_view *view)
 507 {
 508    pipe_resource_reference(&view->texture, NULL);
 509
 510    nvc0_screen_tic_free(nvc0_context(pipe)->screen, nvc0_tic_entry(view));
 511
 512    FREE(nvc0_tic_entry(view));
 513 }
 514
 515 static INLINE void
 516 nvc0_stage_set_sampler_views(struct nvc0_context *nvc0, int s,
 517                              unsigned nr,
 518                              struct pipe_sampler_view **views)
 519 {
 520    unsigned i;
 521
 522    for (i = 0; i < nr; ++i) {
 523       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 524       if (old)
 525          nvc0_screen_tic_unlock(nvc0->screen, old);
 526
 527       pipe_sampler_view_reference(&nvc0->textures[s][i], views[i]);
 528    }
 529
 530    for (i = nr; i < nvc0->num_textures[s]; ++i) {
 531       struct nvc0_tic_entry *old = nvc0_tic_entry(nvc0->textures[s][i]);
 532       if (!old)
 533          continue;
 534       nvc0_screen_tic_unlock(nvc0->screen, old);
 535
 536       pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
 537    }
 538
 539    nvc0->num_textures[s] = nr;
 540
 541    nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_TEXTURES);
 542
 543    nvc0->dirty |= NVC0_NEW_TEXTURES;
 544 }
 545
 546 static void
 547 nvc0_vp_set_sampler_views(struct pipe_context *pipe,
 548                           unsigned nr,
 549                           struct pipe_sampler_view **views)
 550 {
 551    nvc0_stage_set_sampler_views(nvc0_context(pipe), 0, nr, views);
 552 }
 553
 554 static void
 555 nvc0_fp_set_sampler_views(struct pipe_context *pipe,
 556                           unsigned nr,
 557                           struct pipe_sampler_view **views)
 558 {
 559    nvc0_stage_set_sampler_views(nvc0_context(pipe), 4, nr, views);
 560 }
 561
 562 static void
 563 nvc0_gp_set_sampler_views(struct pipe_context *pipe,
 564                           unsigned nr,
 565                           struct pipe_sampler_view **views)
 566 {
 567    nvc0_stage_set_sampler_views(nvc0_context(pipe), 3, nr, views);
 568 }
 569
 570 /* ============================= SHADERS =======================================
 571  */
 572
 573 static void *
 574 nvc0_sp_state_create(struct pipe_context *pipe,
 575                      const struct pipe_shader_state *cso, unsigned type)
 576 {
 577    struct nvc0_program *prog;
 578
 579    prog = CALLOC_STRUCT(nvc0_program);
 580    if (!prog)
 581       return NULL;
 582
 583    prog->type = type;
 584    prog->pipe.tokens = tgsi_dup_tokens(cso->tokens);
 585
 586    return (void *)prog;
 587 }
 588
 589 static void
 590 nvc0_sp_state_delete(struct pipe_context *pipe, void *hwcso)
 591 {
 592    struct nvc0_program *prog = (struct nvc0_program *)hwcso;
 593
 594    nvc0_program_destroy(nvc0_context(pipe), prog);
 595
 596    FREE((void *)prog->pipe.tokens);
 597    FREE(prog);
 598 }
 599
 600 static void *
 601 nvc0_vp_state_create(struct pipe_context *pipe,
 602                      const struct pipe_shader_state *cso)
 603 {
 604    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_VERTEX);
 605 }
 606
 607 static void
 608 nvc0_vp_state_bind(struct pipe_context *pipe, void *hwcso)
 609 {
 610     struct nvc0_context *nvc0 = nvc0_context(pipe);
 611
 612     nvc0->vertprog = hwcso;
 613     nvc0->dirty |= NVC0_NEW_VERTPROG;
 614 }
 615
 616 static void *
 617 nvc0_fp_state_create(struct pipe_context *pipe,
 618                      const struct pipe_shader_state *cso)
 619 {
 620    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_FRAGMENT);
 621 }
 622
 623 static void
 624 nvc0_fp_state_bind(struct pipe_context *pipe, void *hwcso)
 625 {
 626     struct nvc0_context *nvc0 = nvc0_context(pipe);
 627
 628     nvc0->fragprog = hwcso;
 629     nvc0->dirty |= NVC0_NEW_FRAGPROG;
 630 }
 631
 632 static void *
 633 nvc0_gp_state_create(struct pipe_context *pipe,
 634                      const struct pipe_shader_state *cso)
 635 {
 636    return nvc0_sp_state_create(pipe, cso, PIPE_SHADER_GEOMETRY);
 637 }
 638
 639 static void
 640 nvc0_gp_state_bind(struct pipe_context *pipe, void *hwcso)
 641 {
 642     struct nvc0_context *nvc0 = nvc0_context(pipe);
 643
 644     nvc0->gmtyprog = hwcso;
 645     nvc0->dirty |= NVC0_NEW_GMTYPROG;
 646 }
 647
 648 static void
 649 nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
 650                          struct pipe_resource *res)
 651 {
 652    struct nvc0_context *nvc0 = nvc0_context(pipe);
 653
 654    switch (shader) {
 655    case PIPE_SHADER_VERTEX: shader = 0; break;
 656       /*
 657    case PIPE_SHADER_TESSELLATION_CONTROL: shader = 1; break;
 658    case PIPE_SHADER_TESSELLATION_EVALUATION: shader = 2; break;
 659       */
 660    case PIPE_SHADER_GEOMETRY: shader = 3; break;
 661    case PIPE_SHADER_FRAGMENT: shader = 4; break;
 662    default:
 663       assert(0);
 664       break;
 665    }
 666
 667    if (nvc0->constbuf[shader][index])
 668       nvc0_bufctx_del_resident(nvc0, NVC0_BUFCTX_CONSTANT,
 669                                nvc0_resource(
 670                                        nvc0->constbuf[shader][index]));
 671
 672    pipe_resource_reference(&nvc0->constbuf[shader][index], res);
 673
 674    nvc0->constbuf_dirty[shader] |= 1 << index;
 675
 676    nvc0->dirty |= NVC0_NEW_CONSTBUF;
 677 }
 678
 679 /* =============================================================================
 680  */
 681
 682 static void
 683 nvc0_set_blend_color(struct pipe_context *pipe,
 684                      const struct pipe_blend_color *bcol)
 685 {
 686     struct nvc0_context *nvc0 = nvc0_context(pipe);
 687
 688     nvc0->blend_colour = *bcol;
 689     nvc0->dirty |= NVC0_NEW_BLEND_COLOUR;
 690 }
 691
 692 static void
 693 nvc0_set_stencil_ref(struct pipe_context *pipe,
 694                      const struct pipe_stencil_ref *sr)
 695 {
 696     struct nvc0_context *nvc0 = nvc0_context(pipe);
 697
 698     nvc0->stencil_ref = *sr;
 699     nvc0->dirty |= NVC0_NEW_STENCIL_REF;
 700 }
 701
 702 static void
 703 nvc0_set_clip_state(struct pipe_context *pipe,
 704                     const struct pipe_clip_state *clip)
 705 {
 706     struct nvc0_context *nvc0 = nvc0_context(pipe);
 707     const unsigned size = clip->nr * sizeof(clip->ucp[0]);
 708
 709     memcpy(&nvc0->clip.ucp[0][0], &clip->ucp[0][0], size);
 710     nvc0->clip.nr = clip->nr;
 711
 712     nvc0->clip.depth_clamp = clip->depth_clamp;
 713
 714     nvc0->dirty |= NVC0_NEW_CLIP;
 715 }
 716
 717 static void
 718 nvc0_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
 719 {
 720     struct nvc0_context *nvc0 = nvc0_context(pipe);
 721
 722     nvc0->sample_mask = sample_mask;
 723     nvc0->dirty |= NVC0_NEW_SAMPLE_MASK;
 724 }
 725
 726
 727 static void
 728 nvc0_set_framebuffer_state(struct pipe_context *pipe,
 729                            const struct pipe_framebuffer_state *fb)
 730 {
 731     struct nvc0_context *nvc0 = nvc0_context(pipe);
 732
 733     nvc0->framebuffer = *fb;
 734     nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
 735 }
 736
 737 static void
 738 nvc0_set_polygon_stipple(struct pipe_context *pipe,
 739                          const struct pipe_poly_stipple *stipple)
 740 {
 741     struct nvc0_context *nvc0 = nvc0_context(pipe);
 742
 743     nvc0->stipple = *stipple;
 744     nvc0->dirty |= NVC0_NEW_STIPPLE;
 745 }
 746
 747 static void
 748 nvc0_set_scissor_state(struct pipe_context *pipe,
 749                        const struct pipe_scissor_state *scissor)
 750 {
 751     struct nvc0_context *nvc0 = nvc0_context(pipe);
 752
 753     nvc0->scissor = *scissor;
 754     nvc0->dirty |= NVC0_NEW_SCISSOR;
 755 }
 756
 757 static void
 758 nvc0_set_viewport_state(struct pipe_context *pipe,
 759                         const struct pipe_viewport_state *vpt)
 760 {
 761     struct nvc0_context *nvc0 = nvc0_context(pipe);
 762
 763     nvc0->viewport = *vpt;
 764     nvc0->dirty |= NVC0_NEW_VIEWPORT;
 765 }
 766
 767 static void
 768 nvc0_set_vertex_buffers(struct pipe_context *pipe,
 769                         unsigned count,
 770                         const struct pipe_vertex_buffer *vb)
 771 {
 772     struct nvc0_context *nvc0 = nvc0_context(pipe);
 773     unsigned i;
 774
 775     for (i = 0; i < count; ++i)
 776        pipe_resource_reference(&nvc0->vtxbuf[i].buffer, vb[i].buffer);
 777     for (; i < nvc0->num_vtxbufs; ++i)
 778        pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
 779
 780     memcpy(nvc0->vtxbuf, vb, sizeof(*vb) * count);
 781     nvc0->num_vtxbufs = count;
 782
 783     nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_VERTEX);
 784
 785     nvc0->dirty |= NVC0_NEW_ARRAYS;
 786 }
 787
 788 static void
 789 nvc0_set_index_buffer(struct pipe_context *pipe,
 790                       const struct pipe_index_buffer *ib)
 791 {
 792     struct nvc0_context *nvc0 = nvc0_context(pipe);
 793
 794     if (ib)
 795         memcpy(&nvc0->idxbuf, ib, sizeof(nvc0->idxbuf));
 796     else
 797         nvc0->idxbuf.buffer = NULL;
 798 }
 799
 800 static void
 801 nvc0_vertex_state_bind(struct pipe_context *pipe, void *hwcso)
 802 {
 803     struct nvc0_context *nvc0 = nvc0_context(pipe);
 804
 805     nvc0->vertex = hwcso;
 806     nvc0->dirty |= NVC0_NEW_VERTEX;
 807 }
 808
 809 static void *
 810 nvc0_tfb_state_create(struct pipe_context *pipe,
 811                       const struct pipe_stream_output_state *pso)
 812 {
 813    struct nvc0_transform_feedback_state *so;
 814    int n = 0;
 815    int i, c, b;
 816
 817    so = MALLOC(sizeof(*so) + pso->num_outputs * 4 * sizeof(uint8_t));
 818    if (!so)
 819       return NULL;
 820
 821    for (b = 0; b < 4; ++b) {
 822       for (i = 0; i < pso->num_outputs; ++i) {
 823          if (pso->output_buffer[i] != b)
 824             continue;
 825          for (c = 0; c < 4; ++c) {
 826             if (!(pso->register_mask[i] & (1 << c)))
 827                continue;
 828             so->varying_count[b]++;
 829             so->varying_index[n++] = (pso->register_index[i] << 2) | c;
 830          }
 831       }
 832       so->stride[b] = so->varying_count[b] * 4;
 833    }
 834    if (pso->stride)
 835       so->stride[0] = pso->stride;
 836
 837    return so;
 838 }
 839
 840 static void
 841 nvc0_tfb_state_delete(struct pipe_context *pipe, void *hwcso)
 842 {
 843    FREE(hwcso);
 844 }
 845
 846 static void
 847 nvc0_tfb_state_bind(struct pipe_context *pipe, void *hwcso)
 848 {
 849    nvc0_context(pipe)->tfb = hwcso;
 850    nvc0_context(pipe)->dirty |= NVC0_NEW_TFB;
 851 }
 852
 853 static void
 854 nvc0_set_transform_feedback_buffers(struct pipe_context *pipe,
 855                                     struct pipe_resource **buffers,
 856                                     int *offsets,
 857                                     int num_buffers)
 858 {
 859    struct nvc0_context *nvc0 = nvc0_context(pipe);
 860    int i;
 861
 862    assert(num_buffers >= 0 && num_buffers <= 4); /* why signed ? */
 863
 864    for (i = 0; i < num_buffers; ++i) {
 865        assert(offsets[i] >= 0);
 866        nvc0->tfb_offset[i] = offsets[i];
 867        pipe_resource_reference(&nvc0->tfbbuf[i], buffers[i]);
 868    }
 869    for (; i < nvc0->num_tfbbufs; ++i)
 870       pipe_resource_reference(&nvc0->tfbbuf[i], NULL);
 871
 872    nvc0->num_tfbbufs = num_buffers;
 873
 874    nvc0->dirty |= NVC0_NEW_TFB_BUFFERS;
 875 }
 876
 877 void
 878 nvc0_init_state_functions(struct nvc0_context *nvc0)
 879 {
 880     nvc0->pipe.create_blend_state = nvc0_blend_state_create;
 881     nvc0->pipe.bind_blend_state = nvc0_blend_state_bind;
 882     nvc0->pipe.delete_blend_state = nvc0_blend_state_delete;
 883
 884     nvc0->pipe.create_rasterizer_state = nvc0_rasterizer_state_create;
 885     nvc0->pipe.bind_rasterizer_state = nvc0_rasterizer_state_bind;
 886     nvc0->pipe.delete_rasterizer_state = nvc0_rasterizer_state_delete;
 887
 888     nvc0->pipe.create_depth_stencil_alpha_state = nvc0_zsa_state_create;
 889     nvc0->pipe.bind_depth_stencil_alpha_state = nvc0_zsa_state_bind;
 890     nvc0->pipe.delete_depth_stencil_alpha_state = nvc0_zsa_state_delete;
 891
 892     nvc0->pipe.create_sampler_state = nvc0_sampler_state_create;
 893     nvc0->pipe.delete_sampler_state = nvc0_sampler_state_delete;
 894     nvc0->pipe.bind_vertex_sampler_states   = nvc0_vp_sampler_states_bind;
 895     nvc0->pipe.bind_fragment_sampler_states = nvc0_fp_sampler_states_bind;
 896     nvc0->pipe.bind_geometry_sampler_states = nvc0_gp_sampler_states_bind;
 897
 898     nvc0->pipe.create_sampler_view = nvc0_create_sampler_view;
 899     nvc0->pipe.sampler_view_destroy = nvc0_sampler_view_destroy;
 900     nvc0->pipe.set_vertex_sampler_views   = nvc0_vp_set_sampler_views;
 901     nvc0->pipe.set_fragment_sampler_views = nvc0_fp_set_sampler_views;
 902     nvc0->pipe.set_geometry_sampler_views = nvc0_gp_set_sampler_views;
 903
 904     nvc0->pipe.create_vs_state = nvc0_vp_state_create;
 905     nvc0->pipe.create_fs_state = nvc0_fp_state_create;
 906     nvc0->pipe.create_gs_state = nvc0_gp_state_create;
 907     nvc0->pipe.bind_vs_state = nvc0_vp_state_bind;
 908     nvc0->pipe.bind_fs_state = nvc0_fp_state_bind;
 909     nvc0->pipe.bind_gs_state = nvc0_gp_state_bind;
 910     nvc0->pipe.delete_vs_state = nvc0_sp_state_delete;
 911     nvc0->pipe.delete_fs_state = nvc0_sp_state_delete;
 912     nvc0->pipe.delete_gs_state = nvc0_sp_state_delete;
 913
 914     nvc0->pipe.set_blend_color = nvc0_set_blend_color;
 915     nvc0->pipe.set_stencil_ref = nvc0_set_stencil_ref;
 916     nvc0->pipe.set_clip_state = nvc0_set_clip_state;
 917     nvc0->pipe.set_sample_mask = nvc0_set_sample_mask;
 918     nvc0->pipe.set_constant_buffer = nvc0_set_constant_buffer;
 919     nvc0->pipe.set_framebuffer_state = nvc0_set_framebuffer_state;
 920     nvc0->pipe.set_polygon_stipple = nvc0_set_polygon_stipple;
 921     nvc0->pipe.set_scissor_state = nvc0_set_scissor_state;
 922     nvc0->pipe.set_viewport_state = nvc0_set_viewport_state;
 923
 924     nvc0->pipe.create_vertex_elements_state = nvc0_vertex_state_create;
 925     nvc0->pipe.delete_vertex_elements_state = nvc0_vertex_state_delete;
 926     nvc0->pipe.bind_vertex_elements_state = nvc0_vertex_state_bind;
 927
 928     nvc0->pipe.set_vertex_buffers = nvc0_set_vertex_buffers;
 929     nvc0->pipe.set_index_buffer = nvc0_set_index_buffer;
 930
 931     nvc0->pipe.create_stream_output_state = nvc0_tfb_state_create;
 932     nvc0->pipe.delete_stream_output_state = nvc0_tfb_state_delete;
 933     nvc0->pipe.bind_stream_output_state = nvc0_tfb_state_bind;
 934     nvc0->pipe.set_stream_output_buffers = nvc0_set_transform_feedback_buffers;
 935
 936     nvc0->pipe.redefine_user_buffer = u_default_redefine_user_buffer;
 937 }
 938