src/gallium/auxiliary/gallivm/lp_bld_sample.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Texture sampling.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.com>
  33  */
  34
  35 #ifndef LP_BLD_SAMPLE_H
  36 #define LP_BLD_SAMPLE_H
  37
  38
  39 #include "pipe/p_format.h"
  40 #include "util/u_debug.h"
  41 #include "gallivm/lp_bld.h"
  42 #include "gallivm/lp_bld_type.h"
  43 #include "gallivm/lp_bld_swizzle.h"
  44
  45 #ifdef __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 struct pipe_resource;
  50 struct pipe_sampler_view;
  51 struct pipe_sampler_state;
  52 struct pipe_image_view;
  53 struct util_format_description;
  54 struct lp_type;
  55 struct lp_build_context;
  56
  57
  58 /**
  59  * Helper struct holding all derivatives needed for sampling
  60  */
  61 struct lp_derivatives
  62 {
  63    LLVMValueRef ddx[3];
  64    LLVMValueRef ddy[3];
  65 };
  66
  67
  68 enum lp_sampler_lod_property {
  69    LP_SAMPLER_LOD_SCALAR,
  70    LP_SAMPLER_LOD_PER_ELEMENT,
  71    LP_SAMPLER_LOD_PER_QUAD
  72 };
  73
  74
  75 enum lp_sampler_lod_control {
  76    LP_SAMPLER_LOD_IMPLICIT,
  77    LP_SAMPLER_LOD_BIAS,
  78    LP_SAMPLER_LOD_EXPLICIT,
  79    LP_SAMPLER_LOD_DERIVATIVES,
  80 };
  81
  82
  83 enum lp_sampler_op_type {
  84    LP_SAMPLER_OP_TEXTURE,
  85    LP_SAMPLER_OP_FETCH,
  86    LP_SAMPLER_OP_GATHER,
  87    LP_SAMPLER_OP_LODQ
  88 };
  89
  90
  91 #define LP_SAMPLER_SHADOW             (1 << 0)
  92 #define LP_SAMPLER_OFFSETS            (1 << 1)
  93 #define LP_SAMPLER_OP_TYPE_SHIFT            2
  94 #define LP_SAMPLER_OP_TYPE_MASK       (3 << 2)
  95 #define LP_SAMPLER_LOD_CONTROL_SHIFT        4
  96 #define LP_SAMPLER_LOD_CONTROL_MASK   (3 << 4)
  97 #define LP_SAMPLER_LOD_PROPERTY_SHIFT       6
  98 #define LP_SAMPLER_LOD_PROPERTY_MASK  (3 << 6)
  99 #define LP_SAMPLER_GATHER_COMP_SHIFT        8
 100 #define LP_SAMPLER_GATHER_COMP_MASK   (3 << 8)
 101 #define LP_SAMPLER_FETCH_MS          (1 << 10)
 102
 103 struct lp_sampler_params
 104 {
 105    struct lp_type type;
 106    unsigned texture_index;
 107    unsigned sampler_index;
 108    unsigned sample_key;
 109    LLVMValueRef context_ptr;
 110    LLVMValueRef thread_data_ptr;
 111    const LLVMValueRef *coords;
 112    const LLVMValueRef *offsets;
 113    LLVMValueRef ms_index;
 114    LLVMValueRef lod;
 115    const struct lp_derivatives *derivs;
 116    LLVMValueRef *texel;
 117 };
 118
 119 struct lp_sampler_size_query_params
 120 {
 121    struct lp_type int_type;
 122    unsigned texture_unit;
 123    unsigned target;
 124    LLVMValueRef context_ptr;
 125    boolean is_sviewinfo;
 126    enum lp_sampler_lod_property lod_property;
 127    LLVMValueRef explicit_lod;
 128    LLVMValueRef *sizes_out;
 129 };
 130
 131 #define LP_IMG_LOAD 0
 132 #define LP_IMG_STORE 1
 133 #define LP_IMG_ATOMIC 2
 134 #define LP_IMG_ATOMIC_CAS 3
 135
 136 struct lp_img_params
 137 {
 138    struct lp_type type;
 139    unsigned image_index;
 140    unsigned img_op;
 141    unsigned target;
 142    LLVMAtomicRMWBinOp op;
 143    LLVMValueRef exec_mask;
 144    LLVMValueRef context_ptr;
 145    LLVMValueRef thread_data_ptr;
 146    const LLVMValueRef *coords;
 147    LLVMValueRef indata[4];
 148    LLVMValueRef indata2[4];
 149    LLVMValueRef *outdata;
 150 };
 151 /**
 152  * Texture static state.
 153  *
 154  * These are the bits of state from pipe_resource/pipe_sampler_view that
 155  * are embedded in the generated code.
 156  */
 157 struct lp_static_texture_state
 158 {
 159    /* pipe_sampler_view's state */
 160    enum pipe_format format;
 161    unsigned swizzle_r:3;     /**< PIPE_SWIZZLE_* */
 162    unsigned swizzle_g:3;
 163    unsigned swizzle_b:3;
 164    unsigned swizzle_a:3;
 165
 166    /* pipe_texture's state */
 167    unsigned target:4;        /**< PIPE_TEXTURE_* */
 168    unsigned pot_width:1;     /**< is the width a power of two? */
 169    unsigned pot_height:1;
 170    unsigned pot_depth:1;
 171    unsigned level_zero_only:1;
 172 };
 173
 174
 175 /**
 176  * Sampler static state.
 177  *
 178  * These are the bits of state from pipe_sampler_state that
 179  * are embedded in the generated code.
 180  */
 181 struct lp_static_sampler_state
 182 {
 183    /* pipe_sampler_state's state */
 184    unsigned wrap_s:3;
 185    unsigned wrap_t:3;
 186    unsigned wrap_r:3;
 187    unsigned min_img_filter:2;
 188    unsigned min_mip_filter:2;
 189    unsigned mag_img_filter:2;
 190    unsigned compare_mode:1;
 191    unsigned compare_func:3;
 192    unsigned normalized_coords:1;
 193    unsigned min_max_lod_equal:1;  /**< min_lod == max_lod ? */
 194    unsigned lod_bias_non_zero:1;
 195    unsigned max_lod_pos:1;
 196    unsigned apply_min_lod:1;  /**< min_lod > 0 ? */
 197    unsigned apply_max_lod:1;  /**< max_lod < last_level ? */
 198    unsigned seamless_cube_map:1;
 199
 200    /* Hacks */
 201    unsigned force_nearest_s:1;
 202    unsigned force_nearest_t:1;
 203 };
 204
 205
 206 /**
 207  * Sampler dynamic state.
 208  *
 209  * These are the bits of state from pipe_resource/pipe_sampler_view
 210  * as well as from sampler state that are computed at runtime.
 211  *
 212  * There are obtained through callbacks, as we don't want to tie the texture
 213  * sampling code generation logic to any particular texture layout or pipe
 214  * driver.
 215  */
 216 struct lp_sampler_dynamic_state
 217 {
 218    /* First callbacks for sampler view state */
 219
 220    /** Obtain the base texture width (or number of elements) (returns int32) */
 221    LLVMValueRef
 222    (*width)(const struct lp_sampler_dynamic_state *state,
 223             struct gallivm_state *gallivm,
 224             LLVMValueRef context_ptr,
 225             unsigned texture_unit);
 226
 227    /** Obtain the base texture height (returns int32) */
 228    LLVMValueRef
 229    (*height)(const struct lp_sampler_dynamic_state *state,
 230              struct gallivm_state *gallivm,
 231              LLVMValueRef context_ptr,
 232              unsigned texture_unit);
 233
 234    /** Obtain the base texture depth (or array size) (returns int32) */
 235    LLVMValueRef
 236    (*depth)(const struct lp_sampler_dynamic_state *state,
 237             struct gallivm_state *gallivm,
 238             LLVMValueRef context_ptr,
 239             unsigned texture_unit);
 240
 241    /** Obtain the first mipmap level (base level) (returns int32) */
 242    LLVMValueRef
 243    (*first_level)(const struct lp_sampler_dynamic_state *state,
 244                   struct gallivm_state *gallivm,
 245                   LLVMValueRef context_ptr,
 246                   unsigned texture_unit);
 247
 248    /** Obtain the number of mipmap levels minus one (returns int32) */
 249    LLVMValueRef
 250    (*last_level)(const struct lp_sampler_dynamic_state *state,
 251                  struct gallivm_state *gallivm,
 252                  LLVMValueRef context_ptr,
 253                  unsigned texture_unit);
 254
 255    /** Obtain stride in bytes between image rows/blocks (returns int32) */
 256    LLVMValueRef
 257    (*row_stride)(const struct lp_sampler_dynamic_state *state,
 258                  struct gallivm_state *gallivm,
 259                  LLVMValueRef context_ptr,
 260                  unsigned texture_unit);
 261
 262    /** Obtain stride in bytes between image slices (returns int32) */
 263    LLVMValueRef
 264    (*img_stride)(const struct lp_sampler_dynamic_state *state,
 265                  struct gallivm_state *gallivm,
 266                  LLVMValueRef context_ptr,
 267                  unsigned texture_unit);
 268
 269    /** Obtain pointer to base of texture */
 270    LLVMValueRef
 271    (*base_ptr)(const struct lp_sampler_dynamic_state *state,
 272                struct gallivm_state *gallivm,
 273                LLVMValueRef context_ptr,
 274                unsigned texture_unit);
 275
 276    /** Obtain pointer to array of mipmap offsets */
 277    LLVMValueRef
 278    (*mip_offsets)(const struct lp_sampler_dynamic_state *state,
 279                   struct gallivm_state *gallivm,
 280                   LLVMValueRef context_ptr,
 281                   unsigned texture_unit);
 282
 283    /** Obtain number of samples (returns int32) */
 284    LLVMValueRef
 285    (*num_samples)(const struct lp_sampler_dynamic_state *state,
 286                   struct gallivm_state *gallivm,
 287                   LLVMValueRef context_ptr,
 288                   unsigned texture_unit);
 289
 290    /** Obtain multisample stride (returns int32) */
 291    LLVMValueRef
 292    (*sample_stride)(const struct lp_sampler_dynamic_state *state,
 293                     struct gallivm_state *gallivm,
 294                     LLVMValueRef context_ptr,
 295                     unsigned texture_unit);
 296
 297    /* These are callbacks for sampler state */
 298
 299    /** Obtain texture min lod (returns float) */
 300    LLVMValueRef
 301    (*min_lod)(const struct lp_sampler_dynamic_state *state,
 302               struct gallivm_state *gallivm,
 303               LLVMValueRef context_ptr,
 304               unsigned sampler_unit);
 305
 306    /** Obtain texture max lod (returns float) */
 307    LLVMValueRef
 308    (*max_lod)(const struct lp_sampler_dynamic_state *state,
 309               struct gallivm_state *gallivm,
 310               LLVMValueRef context_ptr,
 311               unsigned sampler_unit);
 312
 313    /** Obtain texture lod bias (returns float) */
 314    LLVMValueRef
 315    (*lod_bias)(const struct lp_sampler_dynamic_state *state,
 316                struct gallivm_state *gallivm,
 317                LLVMValueRef context_ptr,
 318                unsigned sampler_unit);
 319
 320    /** Obtain texture border color (returns ptr to float[4]) */
 321    LLVMValueRef
 322    (*border_color)(const struct lp_sampler_dynamic_state *state,
 323                    struct gallivm_state *gallivm,
 324                    LLVMValueRef context_ptr,
 325                    unsigned sampler_unit);
 326
 327    /**
 328     * Obtain texture cache (returns ptr to lp_build_format_cache).
 329     *
 330     * It's optional: no caching will be done if it's NULL.
 331     */
 332    LLVMValueRef
 333    (*cache_ptr)(const struct lp_sampler_dynamic_state *state,
 334                 struct gallivm_state *gallivm,
 335                 LLVMValueRef thread_data_ptr,
 336                 unsigned unit);
 337 };
 338
 339
 340 /**
 341  * Keep all information for sampling code generation in a single place.
 342  */
 343 struct lp_build_sample_context
 344 {
 345    struct gallivm_state *gallivm;
 346
 347    const struct lp_static_texture_state *static_texture_state;
 348    const struct lp_static_sampler_state *static_sampler_state;
 349
 350    struct lp_sampler_dynamic_state *dynamic_state;
 351
 352    const struct util_format_description *format_desc;
 353
 354    /* See texture_dims() */
 355    unsigned dims;
 356
 357    /** SIMD vector width */
 358    unsigned vector_width;
 359
 360    /** number of mipmaps (valid are 1, length/4, length) */
 361    unsigned num_mips;
 362
 363    /** number of lod values (valid are 1, length/4, length) */
 364    unsigned num_lods;
 365
 366    unsigned gather_comp;
 367    boolean no_quad_lod;
 368    boolean no_brilinear;
 369    boolean no_rho_approx;
 370    boolean fetch_ms;
 371
 372    /** regular scalar float type */
 373    struct lp_type float_type;
 374    struct lp_build_context float_bld;
 375
 376    /** float vector type */
 377    struct lp_build_context float_vec_bld;
 378
 379    /** regular scalar int type */
 380    struct lp_type int_type;
 381    struct lp_build_context int_bld;
 382
 383    /** Incoming coordinates type and build context */
 384    struct lp_type coord_type;
 385    struct lp_build_context coord_bld;
 386
 387    /** Signed integer coordinates */
 388    struct lp_type int_coord_type;
 389    struct lp_build_context int_coord_bld;
 390
 391    /** Unsigned integer texture size */
 392    struct lp_type int_size_in_type;
 393    struct lp_build_context int_size_in_bld;
 394
 395    /** Float incoming texture size */
 396    struct lp_type float_size_in_type;
 397    struct lp_build_context float_size_in_bld;
 398
 399    /** Unsigned integer texture size (might be per quad) */
 400    struct lp_type int_size_type;
 401    struct lp_build_context int_size_bld;
 402
 403    /** Float texture size (might be per quad) */
 404    struct lp_type float_size_type;
 405    struct lp_build_context float_size_bld;
 406
 407    /** Output texels type and build context */
 408    struct lp_type texel_type;
 409    struct lp_build_context texel_bld;
 410
 411    /** Float level type */
 412    struct lp_type levelf_type;
 413    struct lp_build_context levelf_bld;
 414
 415    /** Int level type */
 416    struct lp_type leveli_type;
 417    struct lp_build_context leveli_bld;
 418
 419    /** Float lod type */
 420    struct lp_type lodf_type;
 421    struct lp_build_context lodf_bld;
 422
 423    /** Int lod type */
 424    struct lp_type lodi_type;
 425    struct lp_build_context lodi_bld;
 426
 427    /* Common dynamic state values */
 428    LLVMValueRef row_stride_array;
 429    LLVMValueRef img_stride_array;
 430    LLVMValueRef base_ptr;
 431    LLVMValueRef mip_offsets;
 432    LLVMValueRef cache;
 433    LLVMValueRef sample_stride;
 434
 435    /** Integer vector with texture width, height, depth */
 436    LLVMValueRef int_size;
 437
 438    LLVMValueRef border_color_clamped;
 439
 440    LLVMValueRef context_ptr;
 441 };
 442
 443
 444
 445 /**
 446  * We only support a few wrap modes in lp_build_sample_wrap_linear_int() at
 447  * this time.  Return whether the given mode is supported by that function.
 448  */
 449 static inline boolean
 450 lp_is_simple_wrap_mode(unsigned mode)
 451 {
 452    switch (mode) {
 453    case PIPE_TEX_WRAP_REPEAT:
 454    case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
 455       return TRUE;
 456    default:
 457       return FALSE;
 458    }
 459 }
 460
 461
 462 static inline void
 463 apply_sampler_swizzle(struct lp_build_sample_context *bld,
 464                       LLVMValueRef *texel)
 465 {
 466    unsigned char swizzles[4];
 467
 468    swizzles[0] = bld->static_texture_state->swizzle_r;
 469    swizzles[1] = bld->static_texture_state->swizzle_g;
 470    swizzles[2] = bld->static_texture_state->swizzle_b;
 471    swizzles[3] = bld->static_texture_state->swizzle_a;
 472
 473    lp_build_swizzle_soa_inplace(&bld->texel_bld, texel, swizzles);
 474 }
 475
 476 /*
 477  * not really dimension as such, this indicates the amount of
 478  * "normal" texture coords subject to minification, wrapping etc.
 479  */
 480 static inline unsigned
 481 texture_dims(enum pipe_texture_target tex)
 482 {
 483    switch (tex) {
 484    case PIPE_TEXTURE_1D:
 485    case PIPE_TEXTURE_1D_ARRAY:
 486    case PIPE_BUFFER:
 487       return 1;
 488    case PIPE_TEXTURE_2D:
 489    case PIPE_TEXTURE_2D_ARRAY:
 490    case PIPE_TEXTURE_RECT:
 491    case PIPE_TEXTURE_CUBE:
 492    case PIPE_TEXTURE_CUBE_ARRAY:
 493       return 2;
 494    case PIPE_TEXTURE_3D:
 495       return 3;
 496    default:
 497       assert(0 && "bad texture target in texture_dims()");
 498       return 2;
 499    }
 500 }
 501
 502 static inline boolean
 503 has_layer_coord(enum pipe_texture_target tex)
 504 {
 505    switch (tex) {
 506    case PIPE_TEXTURE_1D_ARRAY:
 507    case PIPE_TEXTURE_2D_ARRAY:
 508    /* cube is not layered but 3rd coord (after cube mapping) behaves the same */
 509    case PIPE_TEXTURE_CUBE:
 510    case PIPE_TEXTURE_CUBE_ARRAY:
 511       return TRUE;
 512    default:
 513       return FALSE;
 514    }
 515 }
 516
 517
 518 boolean
 519 lp_sampler_wrap_mode_uses_border_color(unsigned mode,
 520                                        unsigned min_img_filter,
 521                                        unsigned mag_img_filter);
 522
 523 /**
 524  * Derive the sampler static state.
 525  */
 526 void
 527 lp_sampler_static_sampler_state(struct lp_static_sampler_state *state,
 528                                 const struct pipe_sampler_state *sampler);
 529
 530
 531 void
 532 lp_sampler_static_texture_state(struct lp_static_texture_state *state,
 533                                 const struct pipe_sampler_view *view);
 534
 535 void
 536 lp_sampler_static_texture_state_image(struct lp_static_texture_state *state,
 537                                       const struct pipe_image_view *view);
 538
 539 void
 540 lp_build_lod_selector(struct lp_build_sample_context *bld,
 541                       boolean is_lodq,
 542                       unsigned texture_index,
 543                       unsigned sampler_index,
 544                       LLVMValueRef s,
 545                       LLVMValueRef t,
 546                       LLVMValueRef r,
 547                       LLVMValueRef cube_rho,
 548                       const struct lp_derivatives *derivs,
 549                       LLVMValueRef lod_bias, /* optional */
 550                       LLVMValueRef explicit_lod, /* optional */
 551                       unsigned mip_filter,
 552                       LLVMValueRef *out_lod,
 553                       LLVMValueRef *out_lod_ipart,
 554                       LLVMValueRef *out_lod_fpart,
 555                       LLVMValueRef *out_lod_positive);
 556
 557 void
 558 lp_build_nearest_mip_level(struct lp_build_sample_context *bld,
 559                            unsigned texture_unit,
 560                            LLVMValueRef lod,
 561                            LLVMValueRef *level_out,
 562                            LLVMValueRef *out_of_bounds);
 563
 564 void
 565 lp_build_linear_mip_levels(struct lp_build_sample_context *bld,
 566                            unsigned texture_unit,
 567                            LLVMValueRef lod_ipart,
 568                            LLVMValueRef *lod_fpart_inout,
 569                            LLVMValueRef *level0_out,
 570                            LLVMValueRef *level1_out);
 571
 572 LLVMValueRef
 573 lp_build_get_mipmap_level(struct lp_build_sample_context *bld,
 574                           LLVMValueRef level);
 575
 576
 577 LLVMValueRef
 578 lp_build_get_mip_offsets(struct lp_build_sample_context *bld,
 579                          LLVMValueRef level);
 580
 581
 582 void
 583 lp_build_mipmap_level_sizes(struct lp_build_sample_context *bld,
 584                             LLVMValueRef ilevel,
 585                             LLVMValueRef *out_size_vec,
 586                             LLVMValueRef *row_stride_vec,
 587                             LLVMValueRef *img_stride_vec);
 588
 589
 590 void
 591 lp_build_extract_image_sizes(struct lp_build_sample_context *bld,
 592                              struct lp_build_context *size_bld,
 593                              struct lp_type coord_type,
 594                              LLVMValueRef size,
 595                              LLVMValueRef *out_width,
 596                              LLVMValueRef *out_height,
 597                              LLVMValueRef *out_depth);
 598
 599
 600 void
 601 lp_build_unnormalized_coords(struct lp_build_sample_context *bld,
 602                              LLVMValueRef flt_size,
 603                              LLVMValueRef *s,
 604                              LLVMValueRef *t,
 605                              LLVMValueRef *r);
 606
 607
 608 void
 609 lp_build_cube_lookup(struct lp_build_sample_context *bld,
 610                      LLVMValueRef *coords,
 611                      const struct lp_derivatives *derivs_in, /* optional */
 612                      LLVMValueRef *rho,
 613                      struct lp_derivatives *derivs_out, /* optional */
 614                      boolean need_derivs);
 615
 616
 617 void
 618 lp_build_cube_new_coords(struct lp_build_context *ivec_bld,
 619                          LLVMValueRef face,
 620                          LLVMValueRef x0,
 621                          LLVMValueRef x1,
 622                          LLVMValueRef y0,
 623                          LLVMValueRef y1,
 624                          LLVMValueRef max_coord,
 625                          LLVMValueRef new_faces[4],
 626                          LLVMValueRef new_xcoords[4][2],
 627                          LLVMValueRef new_ycoords[4][2]);
 628
 629
 630 void
 631 lp_build_sample_partial_offset(struct lp_build_context *bld,
 632                                unsigned block_length,
 633                                LLVMValueRef coord,
 634                                LLVMValueRef stride,
 635                                LLVMValueRef *out_offset,
 636                                LLVMValueRef *out_i);
 637
 638
 639 void
 640 lp_build_sample_offset(struct lp_build_context *bld,
 641                        const struct util_format_description *format_desc,
 642                        LLVMValueRef x,
 643                        LLVMValueRef y,
 644                        LLVMValueRef z,
 645                        LLVMValueRef y_stride,
 646                        LLVMValueRef z_stride,
 647                        LLVMValueRef *out_offset,
 648                        LLVMValueRef *out_i,
 649                        LLVMValueRef *out_j);
 650
 651
 652 void
 653 lp_build_sample_soa(const struct lp_static_texture_state *static_texture_state,
 654                     const struct lp_static_sampler_state *static_sampler_state,
 655                     struct lp_sampler_dynamic_state *dynamic_texture_state,
 656                     struct gallivm_state *gallivm,
 657                     const struct lp_sampler_params *params);
 658
 659
 660 void
 661 lp_build_coord_repeat_npot_linear(struct lp_build_sample_context *bld,
 662                                   LLVMValueRef coord_f,
 663                                   LLVMValueRef length_i,
 664                                   LLVMValueRef length_f,
 665                                   LLVMValueRef *coord0_i,
 666                                   LLVMValueRef *weight_f);
 667
 668
 669 void
 670 lp_build_size_query_soa(struct gallivm_state *gallivm,
 671                         const struct lp_static_texture_state *static_state,
 672                         struct lp_sampler_dynamic_state *dynamic_state,
 673                         const struct lp_sampler_size_query_params *params);
 674
 675 void
 676 lp_build_sample_nop(struct gallivm_state *gallivm,
 677                     struct lp_type type,
 678                     const LLVMValueRef *coords,
 679                     LLVMValueRef texel_out[4]);
 680
 681
 682 LLVMValueRef
 683 lp_build_minify(struct lp_build_context *bld,
 684                 LLVMValueRef base_size,
 685                 LLVMValueRef level,
 686                 boolean lod_scalar);
 687
 688 void
 689 lp_build_img_op_soa(const struct lp_static_texture_state *static_texture_state,
 690                       struct lp_sampler_dynamic_state *dynamic_state,
 691                       struct gallivm_state *gallivm,
 692                       const struct lp_img_params *params);
 693
 694 #ifdef __cplusplus
 695 }
 696 #endif
 697
 698 #endif /* LP_BLD_SAMPLE_H */