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
 102 struct lp_sampler_params
 103 {
 104    struct lp_type type;
 105    unsigned texture_index;
 106    unsigned sampler_index;
 107    unsigned sample_key;
 108    LLVMValueRef context_ptr;
 109    LLVMValueRef thread_data_ptr;
 110    const LLVMValueRef *coords;
 111    const LLVMValueRef *offsets;
 112    LLVMValueRef lod;
 113    const struct lp_derivatives *derivs;
 114    LLVMValueRef *texel;
 115 };
 116
 117 struct lp_sampler_size_query_params
 118 {
 119    struct lp_type int_type;
 120    unsigned texture_unit;
 121    unsigned target;
 122    LLVMValueRef context_ptr;
 123    boolean is_sviewinfo;
 124    enum lp_sampler_lod_property lod_property;
 125    LLVMValueRef explicit_lod;
 126    LLVMValueRef *sizes_out;
 127 };
 128
 129 #define LP_IMG_LOAD 0
 130 #define LP_IMG_STORE 1
 131 #define LP_IMG_ATOMIC 2
 132 #define LP_IMG_ATOMIC_CAS 3
 133
 134 struct lp_img_params
 135 {
 136    struct lp_type type;
 137    unsigned image_index;
 138    unsigned img_op;
 139    unsigned target;
 140    LLVMAtomicRMWBinOp op;
 141    LLVMValueRef exec_mask;
 142    LLVMValueRef context_ptr;
 143    LLVMValueRef thread_data_ptr;
 144    const LLVMValueRef *coords;
 145    LLVMValueRef indata[4];
 146    LLVMValueRef indata2[4];
 147    LLVMValueRef *outdata;
 148 };
 149 /**
 150  * Texture static state.
 151  *
 152  * These are the bits of state from pipe_resource/pipe_sampler_view that
 153  * are embedded in the generated code.
 154  */
 155 struct lp_static_texture_state
 156 {
 157    /* pipe_sampler_view's state */
 158    enum pipe_format format;
 159    unsigned swizzle_r:3;     /**< PIPE_SWIZZLE_* */
 160    unsigned swizzle_g:3;
 161    unsigned swizzle_b:3;
 162    unsigned swizzle_a:3;
 163
 164    /* pipe_texture's state */
 165    unsigned target:4;        /**< PIPE_TEXTURE_* */
 166    unsigned pot_width:1;     /**< is the width a power of two? */
 167    unsigned pot_height:1;
 168    unsigned pot_depth:1;
 169    unsigned level_zero_only:1;
 170 };
 171
 172
 173 /**
 174  * Sampler static state.
 175  *
 176  * These are the bits of state from pipe_sampler_state that
 177  * are embedded in the generated code.
 178  */
 179 struct lp_static_sampler_state
 180 {
 181    /* pipe_sampler_state's state */
 182    unsigned wrap_s:3;
 183    unsigned wrap_t:3;
 184    unsigned wrap_r:3;
 185    unsigned min_img_filter:2;
 186    unsigned min_mip_filter:2;
 187    unsigned mag_img_filter:2;
 188    unsigned compare_mode:1;
 189    unsigned compare_func:3;
 190    unsigned normalized_coords:1;
 191    unsigned min_max_lod_equal:1;  /**< min_lod == max_lod ? */
 192    unsigned lod_bias_non_zero:1;
 193    unsigned max_lod_pos:1;
 194    unsigned apply_min_lod:1;  /**< min_lod > 0 ? */
 195    unsigned apply_max_lod:1;  /**< max_lod < last_level ? */
 196    unsigned seamless_cube_map:1;
 197
 198    /* Hacks */
 199    unsigned force_nearest_s:1;
 200    unsigned force_nearest_t:1;
 201 };
 202
 203
 204 /**
 205  * Sampler dynamic state.
 206  *
 207  * These are the bits of state from pipe_resource/pipe_sampler_view
 208  * as well as from sampler state that are computed at runtime.
 209  *
 210  * There are obtained through callbacks, as we don't want to tie the texture
 211  * sampling code generation logic to any particular texture layout or pipe
 212  * driver.
 213  */
 214 struct lp_sampler_dynamic_state
 215 {
 216    /* First callbacks for sampler view state */
 217
 218    /** Obtain the base texture width (or number of elements) (returns int32) */
 219    LLVMValueRef
 220    (*width)(const struct lp_sampler_dynamic_state *state,
 221             struct gallivm_state *gallivm,
 222             LLVMValueRef context_ptr,
 223             unsigned texture_unit);
 224
 225    /** Obtain the base texture height (returns int32) */
 226    LLVMValueRef
 227    (*height)(const struct lp_sampler_dynamic_state *state,
 228              struct gallivm_state *gallivm,
 229              LLVMValueRef context_ptr,
 230              unsigned texture_unit);
 231
 232    /** Obtain the base texture depth (or array size) (returns int32) */
 233    LLVMValueRef
 234    (*depth)(const struct lp_sampler_dynamic_state *state,
 235             struct gallivm_state *gallivm,
 236             LLVMValueRef context_ptr,
 237             unsigned texture_unit);
 238
 239    /** Obtain the first mipmap level (base level) (returns int32) */
 240    LLVMValueRef
 241    (*first_level)(const struct lp_sampler_dynamic_state *state,
 242                   struct gallivm_state *gallivm,
 243                   LLVMValueRef context_ptr,
 244                   unsigned texture_unit);
 245
 246    /** Obtain the number of mipmap levels minus one (returns int32) */
 247    LLVMValueRef
 248    (*last_level)(const struct lp_sampler_dynamic_state *state,
 249                  struct gallivm_state *gallivm,
 250                  LLVMValueRef context_ptr,
 251                  unsigned texture_unit);
 252
 253    /** Obtain stride in bytes between image rows/blocks (returns int32) */
 254    LLVMValueRef
 255    (*row_stride)(const struct lp_sampler_dynamic_state *state,
 256                  struct gallivm_state *gallivm,
 257                  LLVMValueRef context_ptr,
 258                  unsigned texture_unit);
 259
 260    /** Obtain stride in bytes between image slices (returns int32) */
 261    LLVMValueRef
 262    (*img_stride)(const struct lp_sampler_dynamic_state *state,
 263                  struct gallivm_state *gallivm,
 264                  LLVMValueRef context_ptr,
 265                  unsigned texture_unit);
 266
 267    /** Obtain pointer to base of texture */
 268    LLVMValueRef
 269    (*base_ptr)(const struct lp_sampler_dynamic_state *state,
 270                struct gallivm_state *gallivm,
 271                LLVMValueRef context_ptr,
 272                unsigned texture_unit);
 273
 274    /** Obtain pointer to array of mipmap offsets */
 275    LLVMValueRef
 276    (*mip_offsets)(const struct lp_sampler_dynamic_state *state,
 277                   struct gallivm_state *gallivm,
 278                   LLVMValueRef context_ptr,
 279                   unsigned texture_unit);
 280
 281    /* These are callbacks for sampler state */
 282
 283    /** Obtain texture min lod (returns float) */
 284    LLVMValueRef
 285    (*min_lod)(const struct lp_sampler_dynamic_state *state,
 286               struct gallivm_state *gallivm,
 287               LLVMValueRef context_ptr,
 288               unsigned sampler_unit);
 289
 290    /** Obtain texture max lod (returns float) */
 291    LLVMValueRef
 292    (*max_lod)(const struct lp_sampler_dynamic_state *state,
 293               struct gallivm_state *gallivm,
 294               LLVMValueRef context_ptr,
 295               unsigned sampler_unit);
 296
 297    /** Obtain texture lod bias (returns float) */
 298    LLVMValueRef
 299    (*lod_bias)(const struct lp_sampler_dynamic_state *state,
 300                struct gallivm_state *gallivm,
 301                LLVMValueRef context_ptr,
 302                unsigned sampler_unit);
 303
 304    /** Obtain texture border color (returns ptr to float[4]) */
 305    LLVMValueRef
 306    (*border_color)(const struct lp_sampler_dynamic_state *state,
 307                    struct gallivm_state *gallivm,
 308                    LLVMValueRef context_ptr,
 309                    unsigned sampler_unit);
 310
 311    /**
 312     * Obtain texture cache (returns ptr to lp_build_format_cache).
 313     *
 314     * It's optional: no caching will be done if it's NULL.
 315     */
 316    LLVMValueRef
 317    (*cache_ptr)(const struct lp_sampler_dynamic_state *state,
 318                 struct gallivm_state *gallivm,
 319                 LLVMValueRef thread_data_ptr,
 320                 unsigned unit);
 321 };
 322
 323
 324 /**
 325  * Keep all information for sampling code generation in a single place.
 326  */
 327 struct lp_build_sample_context
 328 {
 329    struct gallivm_state *gallivm;
 330
 331    const struct lp_static_texture_state *static_texture_state;
 332    const struct lp_static_sampler_state *static_sampler_state;
 333
 334    struct lp_sampler_dynamic_state *dynamic_state;
 335
 336    const struct util_format_description *format_desc;
 337
 338    /* See texture_dims() */
 339    unsigned dims;
 340
 341    /** SIMD vector width */
 342    unsigned vector_width;
 343
 344    /** number of mipmaps (valid are 1, length/4, length) */
 345    unsigned num_mips;
 346
 347    /** number of lod values (valid are 1, length/4, length) */
 348    unsigned num_lods;
 349
 350    unsigned gather_comp;
 351    boolean no_quad_lod;
 352    boolean no_brilinear;
 353    boolean no_rho_approx;
 354
 355    /** regular scalar float type */
 356    struct lp_type float_type;
 357    struct lp_build_context float_bld;
 358
 359    /** float vector type */
 360    struct lp_build_context float_vec_bld;
 361
 362    /** regular scalar int type */
 363    struct lp_type int_type;
 364    struct lp_build_context int_bld;
 365
 366    /** Incoming coordinates type and build context */
 367    struct lp_type coord_type;
 368    struct lp_build_context coord_bld;
 369
 370    /** Signed integer coordinates */
 371    struct lp_type int_coord_type;
 372    struct lp_build_context int_coord_bld;
 373
 374    /** Unsigned integer texture size */
 375    struct lp_type int_size_in_type;
 376    struct lp_build_context int_size_in_bld;
 377
 378    /** Float incoming texture size */
 379    struct lp_type float_size_in_type;
 380    struct lp_build_context float_size_in_bld;
 381
 382    /** Unsigned integer texture size (might be per quad) */
 383    struct lp_type int_size_type;
 384    struct lp_build_context int_size_bld;
 385
 386    /** Float texture size (might be per quad) */
 387    struct lp_type float_size_type;
 388    struct lp_build_context float_size_bld;
 389
 390    /** Output texels type and build context */
 391    struct lp_type texel_type;
 392    struct lp_build_context texel_bld;
 393
 394    /** Float level type */
 395    struct lp_type levelf_type;
 396    struct lp_build_context levelf_bld;
 397
 398    /** Int level type */
 399    struct lp_type leveli_type;
 400    struct lp_build_context leveli_bld;
 401
 402    /** Float lod type */
 403    struct lp_type lodf_type;
 404    struct lp_build_context lodf_bld;
 405
 406    /** Int lod type */
 407    struct lp_type lodi_type;
 408    struct lp_build_context lodi_bld;
 409
 410    /* Common dynamic state values */
 411    LLVMValueRef row_stride_array;
 412    LLVMValueRef img_stride_array;
 413    LLVMValueRef base_ptr;
 414    LLVMValueRef mip_offsets;
 415    LLVMValueRef cache;
 416
 417    /** Integer vector with texture width, height, depth */
 418    LLVMValueRef int_size;
 419
 420    LLVMValueRef border_color_clamped;
 421
 422    LLVMValueRef context_ptr;
 423 };
 424
 425
 426
 427 /**
 428  * We only support a few wrap modes in lp_build_sample_wrap_linear_int() at
 429  * this time.  Return whether the given mode is supported by that function.
 430  */
 431 static inline boolean
 432 lp_is_simple_wrap_mode(unsigned mode)
 433 {
 434    switch (mode) {
 435    case PIPE_TEX_WRAP_REPEAT:
 436    case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
 437       return TRUE;
 438    default:
 439       return FALSE;
 440    }
 441 }
 442
 443
 444 static inline void
 445 apply_sampler_swizzle(struct lp_build_sample_context *bld,
 446                       LLVMValueRef *texel)
 447 {
 448    unsigned char swizzles[4];
 449
 450    swizzles[0] = bld->static_texture_state->swizzle_r;
 451    swizzles[1] = bld->static_texture_state->swizzle_g;
 452    swizzles[2] = bld->static_texture_state->swizzle_b;
 453    swizzles[3] = bld->static_texture_state->swizzle_a;
 454
 455    lp_build_swizzle_soa_inplace(&bld->texel_bld, texel, swizzles);
 456 }
 457
 458 /*
 459  * not really dimension as such, this indicates the amount of
 460  * "normal" texture coords subject to minification, wrapping etc.
 461  */
 462 static inline unsigned
 463 texture_dims(enum pipe_texture_target tex)
 464 {
 465    switch (tex) {
 466    case PIPE_TEXTURE_1D:
 467    case PIPE_TEXTURE_1D_ARRAY:
 468    case PIPE_BUFFER:
 469       return 1;
 470    case PIPE_TEXTURE_2D:
 471    case PIPE_TEXTURE_2D_ARRAY:
 472    case PIPE_TEXTURE_RECT:
 473    case PIPE_TEXTURE_CUBE:
 474    case PIPE_TEXTURE_CUBE_ARRAY:
 475       return 2;
 476    case PIPE_TEXTURE_3D:
 477       return 3;
 478    default:
 479       assert(0 && "bad texture target in texture_dims()");
 480       return 2;
 481    }
 482 }
 483
 484 static inline boolean
 485 has_layer_coord(enum pipe_texture_target tex)
 486 {
 487    switch (tex) {
 488    case PIPE_TEXTURE_1D_ARRAY:
 489    case PIPE_TEXTURE_2D_ARRAY:
 490    /* cube is not layered but 3rd coord (after cube mapping) behaves the same */
 491    case PIPE_TEXTURE_CUBE:
 492    case PIPE_TEXTURE_CUBE_ARRAY:
 493       return TRUE;
 494    default:
 495       return FALSE;
 496    }
 497 }
 498
 499
 500 boolean
 501 lp_sampler_wrap_mode_uses_border_color(unsigned mode,
 502                                        unsigned min_img_filter,
 503                                        unsigned mag_img_filter);
 504
 505 /**
 506  * Derive the sampler static state.
 507  */
 508 void
 509 lp_sampler_static_sampler_state(struct lp_static_sampler_state *state,
 510                                 const struct pipe_sampler_state *sampler);
 511
 512
 513 void
 514 lp_sampler_static_texture_state(struct lp_static_texture_state *state,
 515                                 const struct pipe_sampler_view *view);
 516
 517 void
 518 lp_sampler_static_texture_state_image(struct lp_static_texture_state *state,
 519                                       const struct pipe_image_view *view);
 520
 521 void
 522 lp_build_lod_selector(struct lp_build_sample_context *bld,
 523                       boolean is_lodq,
 524                       unsigned texture_index,
 525                       unsigned sampler_index,
 526                       LLVMValueRef s,
 527                       LLVMValueRef t,
 528                       LLVMValueRef r,
 529                       LLVMValueRef cube_rho,
 530                       const struct lp_derivatives *derivs,
 531                       LLVMValueRef lod_bias, /* optional */
 532                       LLVMValueRef explicit_lod, /* optional */
 533                       unsigned mip_filter,
 534                       LLVMValueRef *out_lod,
 535                       LLVMValueRef *out_lod_ipart,
 536                       LLVMValueRef *out_lod_fpart,
 537                       LLVMValueRef *out_lod_positive);
 538
 539 void
 540 lp_build_nearest_mip_level(struct lp_build_sample_context *bld,
 541                            unsigned texture_unit,
 542                            LLVMValueRef lod,
 543                            LLVMValueRef *level_out,
 544                            LLVMValueRef *out_of_bounds);
 545
 546 void
 547 lp_build_linear_mip_levels(struct lp_build_sample_context *bld,
 548                            unsigned texture_unit,
 549                            LLVMValueRef lod_ipart,
 550                            LLVMValueRef *lod_fpart_inout,
 551                            LLVMValueRef *level0_out,
 552                            LLVMValueRef *level1_out);
 553
 554 LLVMValueRef
 555 lp_build_get_mipmap_level(struct lp_build_sample_context *bld,
 556                           LLVMValueRef level);
 557
 558
 559 LLVMValueRef
 560 lp_build_get_mip_offsets(struct lp_build_sample_context *bld,
 561                          LLVMValueRef level);
 562
 563
 564 void
 565 lp_build_mipmap_level_sizes(struct lp_build_sample_context *bld,
 566                             LLVMValueRef ilevel,
 567                             LLVMValueRef *out_size_vec,
 568                             LLVMValueRef *row_stride_vec,
 569                             LLVMValueRef *img_stride_vec);
 570
 571
 572 void
 573 lp_build_extract_image_sizes(struct lp_build_sample_context *bld,
 574                              struct lp_build_context *size_bld,
 575                              struct lp_type coord_type,
 576                              LLVMValueRef size,
 577                              LLVMValueRef *out_width,
 578                              LLVMValueRef *out_height,
 579                              LLVMValueRef *out_depth);
 580
 581
 582 void
 583 lp_build_unnormalized_coords(struct lp_build_sample_context *bld,
 584                              LLVMValueRef flt_size,
 585                              LLVMValueRef *s,
 586                              LLVMValueRef *t,
 587                              LLVMValueRef *r);
 588
 589
 590 void
 591 lp_build_cube_lookup(struct lp_build_sample_context *bld,
 592                      LLVMValueRef *coords,
 593                      const struct lp_derivatives *derivs_in, /* optional */
 594                      LLVMValueRef *rho,
 595                      struct lp_derivatives *derivs_out, /* optional */
 596                      boolean need_derivs);
 597
 598
 599 void
 600 lp_build_cube_new_coords(struct lp_build_context *ivec_bld,
 601                          LLVMValueRef face,
 602                          LLVMValueRef x0,
 603                          LLVMValueRef x1,
 604                          LLVMValueRef y0,
 605                          LLVMValueRef y1,
 606                          LLVMValueRef max_coord,
 607                          LLVMValueRef new_faces[4],
 608                          LLVMValueRef new_xcoords[4][2],
 609                          LLVMValueRef new_ycoords[4][2]);
 610
 611
 612 void
 613 lp_build_sample_partial_offset(struct lp_build_context *bld,
 614                                unsigned block_length,
 615                                LLVMValueRef coord,
 616                                LLVMValueRef stride,
 617                                LLVMValueRef *out_offset,
 618                                LLVMValueRef *out_i);
 619
 620
 621 void
 622 lp_build_sample_offset(struct lp_build_context *bld,
 623                        const struct util_format_description *format_desc,
 624                        LLVMValueRef x,
 625                        LLVMValueRef y,
 626                        LLVMValueRef z,
 627                        LLVMValueRef y_stride,
 628                        LLVMValueRef z_stride,
 629                        LLVMValueRef *out_offset,
 630                        LLVMValueRef *out_i,
 631                        LLVMValueRef *out_j);
 632
 633
 634 void
 635 lp_build_sample_soa(const struct lp_static_texture_state *static_texture_state,
 636                     const struct lp_static_sampler_state *static_sampler_state,
 637                     struct lp_sampler_dynamic_state *dynamic_texture_state,
 638                     struct gallivm_state *gallivm,
 639                     const struct lp_sampler_params *params);
 640
 641
 642 void
 643 lp_build_coord_repeat_npot_linear(struct lp_build_sample_context *bld,
 644                                   LLVMValueRef coord_f,
 645                                   LLVMValueRef length_i,
 646                                   LLVMValueRef length_f,
 647                                   LLVMValueRef *coord0_i,
 648                                   LLVMValueRef *weight_f);
 649
 650
 651 void
 652 lp_build_size_query_soa(struct gallivm_state *gallivm,
 653                         const struct lp_static_texture_state *static_state,
 654                         struct lp_sampler_dynamic_state *dynamic_state,
 655                         const struct lp_sampler_size_query_params *params);
 656
 657 void
 658 lp_build_sample_nop(struct gallivm_state *gallivm,
 659                     struct lp_type type,
 660                     const LLVMValueRef *coords,
 661                     LLVMValueRef texel_out[4]);
 662
 663
 664 LLVMValueRef
 665 lp_build_minify(struct lp_build_context *bld,
 666                 LLVMValueRef base_size,
 667                 LLVMValueRef level,
 668                 boolean lod_scalar);
 669
 670 void
 671 lp_build_img_op_soa(const struct lp_static_texture_state *static_texture_state,
 672                       struct lp_sampler_dynamic_state *dynamic_state,
 673                       struct gallivm_state *gallivm,
 674                       const struct lp_img_params *params);
 675
 676 #ifdef __cplusplus
 677 }
 678 #endif
 679
 680 #endif /* LP_BLD_SAMPLE_H */