src/gallium/drivers/v3d/v3d_context.h

   1 /*
   2  * Copyright © 2014-2017 Broadcom
   3  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 #ifndef VC5_CONTEXT_H
  26 #define VC5_CONTEXT_H
  27
  28 #ifdef V3D_VERSION
  29 #include "broadcom/common/v3d_macros.h"
  30 #endif
  31
  32 #include <stdio.h>
  33
  34 #include "pipe/p_context.h"
  35 #include "pipe/p_state.h"
  36 #include "util/bitset.h"
  37 #include "util/slab.h"
  38 #include "xf86drm.h"
  39 #include "v3d_drm.h"
  40 #include "v3d_screen.h"
  41
  42 struct v3d_job;
  43 struct v3d_bo;
  44 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
  45
  46 #include "v3d_bufmgr.h"
  47 #include "v3d_resource.h"
  48 #include "v3d_cl.h"
  49
  50 #ifdef USE_V3D_SIMULATOR
  51 #define using_v3d_simulator true
  52 #else
  53 #define using_v3d_simulator false
  54 #endif
  55
  56 #define VC5_DIRTY_BLEND         (1 <<  0)
  57 #define VC5_DIRTY_RASTERIZER    (1 <<  1)
  58 #define VC5_DIRTY_ZSA           (1 <<  2)
  59 #define VC5_DIRTY_FRAGTEX       (1 <<  3)
  60 #define VC5_DIRTY_VERTTEX       (1 <<  4)
  61 #define VC5_DIRTY_SHADER_IMAGE  (1 <<  5)
  62
  63 #define VC5_DIRTY_BLEND_COLOR   (1 <<  7)
  64 #define VC5_DIRTY_STENCIL_REF   (1 <<  8)
  65 #define VC5_DIRTY_SAMPLE_STATE  (1 <<  9)
  66 #define VC5_DIRTY_FRAMEBUFFER   (1 << 10)
  67 #define VC5_DIRTY_STIPPLE       (1 << 11)
  68 #define VC5_DIRTY_VIEWPORT      (1 << 12)
  69 #define VC5_DIRTY_CONSTBUF      (1 << 13)
  70 #define VC5_DIRTY_VTXSTATE      (1 << 14)
  71 #define VC5_DIRTY_VTXBUF        (1 << 15)
  72 #define VC5_DIRTY_SCISSOR       (1 << 17)
  73 #define VC5_DIRTY_FLAT_SHADE_FLAGS (1 << 18)
  74 #define VC5_DIRTY_PRIM_MODE     (1 << 19)
  75 #define VC5_DIRTY_CLIP          (1 << 20)
  76 #define VC5_DIRTY_UNCOMPILED_VS (1 << 21)
  77 #define VC5_DIRTY_UNCOMPILED_FS (1 << 22)
  78 #define VC5_DIRTY_COMPILED_CS   (1 << 23)
  79 #define VC5_DIRTY_COMPILED_VS   (1 << 24)
  80 #define VC5_DIRTY_COMPILED_FS   (1 << 25)
  81 #define VC5_DIRTY_FS_INPUTS     (1 << 26)
  82 #define VC5_DIRTY_STREAMOUT     (1 << 27)
  83 #define VC5_DIRTY_OQ            (1 << 28)
  84 #define VC5_DIRTY_CENTROID_FLAGS (1 << 29)
  85 #define VC5_DIRTY_NOPERSPECTIVE_FLAGS (1 << 30)
  86 #define VC5_DIRTY_SSBO          (1 << 31)
  87
  88 #define VC5_MAX_FS_INPUTS 64
  89
  90 struct v3d_sampler_view {
  91         struct pipe_sampler_view base;
  92         uint32_t p0;
  93         uint32_t p1;
  94         /* Precomputed swizzles to pass in to the shader key. */
  95         uint8_t swizzle[4];
  96
  97         uint8_t texture_shader_state[32];
  98         /* V3D 4.x: Texture state struct. */
  99         struct v3d_bo *bo;
 100
 101         /* Actual texture to be read by this sampler view.  May be different
 102          * from base.texture in the case of having a shadow tiled copy of a
 103          * raster texture.
 104          */
 105         struct pipe_resource *texture;
 106 };
 107
 108 struct v3d_sampler_state {
 109         struct pipe_sampler_state base;
 110         uint32_t p0;
 111         uint32_t p1;
 112
 113         /* V3D 3.x: Packed texture state. */
 114         uint8_t texture_shader_state[32];
 115         /* V3D 4.x: Sampler state struct. */
 116         struct v3d_bo *bo;
 117 };
 118
 119 struct v3d_texture_stateobj {
 120         struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS];
 121         unsigned num_textures;
 122         struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
 123         unsigned num_samplers;
 124         struct v3d_cl_reloc texture_state[PIPE_MAX_SAMPLERS];
 125 };
 126
 127 struct v3d_shader_uniform_info {
 128         enum quniform_contents *contents;
 129         uint32_t *data;
 130         uint32_t count;
 131 };
 132
 133 struct v3d_uncompiled_shader {
 134         /** A name for this program, so you can track it in shader-db output. */
 135         uint32_t program_id;
 136         /** How many variants of this program were compiled, for shader-db. */
 137         uint32_t compiled_variant_count;
 138         struct pipe_shader_state base;
 139         uint32_t num_tf_outputs;
 140         struct v3d_varying_slot *tf_outputs;
 141         uint16_t tf_specs[16];
 142         uint16_t tf_specs_psiz[16];
 143         uint32_t num_tf_specs;
 144
 145         /**
 146          * Flag for if the NIR in this shader originally came from TGSI.  If
 147          * so, we need to do some fixups at compile time, due to missing
 148          * information in TGSI that exists in NIR.
 149          */
 150         bool was_tgsi;
 151 };
 152
 153 struct v3d_compiled_shader {
 154         struct pipe_resource *resource;
 155         uint32_t offset;
 156
 157         union {
 158                 struct v3d_prog_data *base;
 159                 struct v3d_vs_prog_data *vs;
 160                 struct v3d_fs_prog_data *fs;
 161         } prog_data;
 162
 163         /**
 164          * VC5_DIRTY_* flags that, when set in v3d->dirty, mean that the
 165          * uniforms have to be rewritten (and therefore the shader state
 166          * reemitted).
 167          */
 168         uint32_t uniform_dirty_bits;
 169 };
 170
 171 struct v3d_program_stateobj {
 172         struct v3d_uncompiled_shader *bind_vs, *bind_fs;
 173         struct v3d_compiled_shader *cs, *vs, *fs;
 174
 175         struct v3d_bo *spill_bo;
 176         int spill_size_per_thread;
 177 };
 178
 179 struct v3d_constbuf_stateobj {
 180         struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
 181         uint32_t enabled_mask;
 182         uint32_t dirty_mask;
 183 };
 184
 185 struct v3d_vertexbuf_stateobj {
 186         struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 187         unsigned count;
 188         uint32_t enabled_mask;
 189         uint32_t dirty_mask;
 190 };
 191
 192 struct v3d_vertex_stateobj {
 193         struct pipe_vertex_element pipe[VC5_MAX_ATTRIBUTES];
 194         unsigned num_elements;
 195
 196         uint8_t attrs[16 * VC5_MAX_ATTRIBUTES];
 197         struct pipe_resource *defaults;
 198         uint32_t defaults_offset;
 199 };
 200
 201 struct v3d_streamout_stateobj {
 202         struct pipe_stream_output_target *targets[PIPE_MAX_SO_BUFFERS];
 203         /* Number of vertices we've written into the buffer so far. */
 204         uint32_t offsets[PIPE_MAX_SO_BUFFERS];
 205         unsigned num_targets;
 206 };
 207
 208 struct v3d_ssbo_stateobj {
 209         struct pipe_shader_buffer sb[PIPE_MAX_SHADER_BUFFERS];
 210         uint32_t enabled_mask;
 211 };
 212
 213 /* Hash table key for v3d->jobs */
 214 struct v3d_job_key {
 215         struct pipe_surface *cbufs[4];
 216         struct pipe_surface *zsbuf;
 217 };
 218
 219 enum v3d_ez_state {
 220         VC5_EZ_UNDECIDED = 0,
 221         VC5_EZ_GT_GE,
 222         VC5_EZ_LT_LE,
 223         VC5_EZ_DISABLED,
 224 };
 225
 226 struct v3d_image_view {
 227         struct pipe_image_view base;
 228         /* V3D 4.x texture shader state struct */
 229         struct pipe_resource *tex_state;
 230         uint32_t tex_state_offset;
 231 };
 232
 233 struct v3d_shaderimg_stateobj {
 234         struct v3d_image_view si[PIPE_MAX_SHADER_IMAGES];
 235         uint32_t enabled_mask;
 236 };
 237
 238 /**
 239  * A complete bin/render job.
 240  *
 241  * This is all of the state necessary to submit a bin/render to the kernel.
 242  * We want to be able to have multiple in progress at a time, so that we don't
 243  * need to flush an existing CL just to switch to rendering to a new render
 244  * target (which would mean reading back from the old render target when
 245  * starting to render to it again).
 246  */
 247 struct v3d_job {
 248         struct v3d_context *v3d;
 249         struct v3d_cl bcl;
 250         struct v3d_cl rcl;
 251         struct v3d_cl indirect;
 252         struct v3d_bo *tile_alloc;
 253         struct v3d_bo *tile_state;
 254         uint32_t shader_rec_count;
 255
 256         struct drm_v3d_submit_cl submit;
 257
 258         /**
 259          * Set of all BOs referenced by the job.  This will be used for making
 260          * the list of BOs that the kernel will need to have paged in to
 261          * execute our job.
 262          */
 263         struct set *bos;
 264
 265         /** Sum of the sizes of the BOs referenced by the job. */
 266         uint32_t referenced_size;
 267
 268         struct set *write_prscs;
 269
 270         /* Size of the submit.bo_handles array. */
 271         uint32_t bo_handles_size;
 272
 273         /** @{ Surfaces to submit rendering for. */
 274         struct pipe_surface *cbufs[4];
 275         struct pipe_surface *zsbuf;
 276         /** @} */
 277         /** @{
 278          * Bounding box of the scissor across all queued drawing.
 279          *
 280          * Note that the max values are exclusive.
 281          */
 282         uint32_t draw_min_x;
 283         uint32_t draw_min_y;
 284         uint32_t draw_max_x;
 285         uint32_t draw_max_y;
 286         /** @} */
 287         /** @{
 288          * Width/height of the color framebuffer being rendered to,
 289          * for VC5_TILE_RENDERING_MODE_CONFIG.
 290         */
 291         uint32_t draw_width;
 292         uint32_t draw_height;
 293         /** @} */
 294         /** @{ Tile information, depending on MSAA and float color buffer. */
 295         uint32_t draw_tiles_x; /** @< Number of tiles wide for framebuffer. */
 296         uint32_t draw_tiles_y; /** @< Number of tiles high for framebuffer. */
 297
 298         uint32_t tile_width; /** @< Width of a tile. */
 299         uint32_t tile_height; /** @< Height of a tile. */
 300         /** maximum internal_bpp of all color render targets. */
 301         uint32_t internal_bpp;
 302
 303         /** Whether the current rendering is in a 4X MSAA tile buffer. */
 304         bool msaa;
 305         /** @} */
 306
 307         /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
 308          * first rendering.
 309          */
 310         uint32_t clear;
 311         /* Bitmask of PIPE_CLEAR_* of buffers that have been read by a draw
 312          * call without having been cleared first.
 313          */
 314         uint32_t load;
 315         /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
 316          * (either clears or draws) and should be stored.
 317          */
 318         uint32_t store;
 319         uint32_t clear_color[4][4];
 320         float clear_z;
 321         uint8_t clear_s;
 322
 323         /**
 324          * Set if some drawing (triangles, blits, or just a glClear()) has
 325          * been done to the FBO, meaning that we need to
 326          * DRM_IOCTL_VC5_SUBMIT_CL.
 327          */
 328         bool needs_flush;
 329
 330         /* Set if any shader has dirtied cachelines in the TMU that need to be
 331          * flushed before job end.
 332          */
 333         bool tmu_dirty_rcl;
 334
 335         /**
 336          * Set if a packet enabling TF has been emitted in the job (V3D 4.x).
 337          */
 338         bool tf_enabled;
 339
 340         /**
 341          * Current EZ state for drawing. Updated at the start of draw after
 342          * we've decided on the shader being rendered.
 343          */
 344         enum v3d_ez_state ez_state;
 345         /**
 346          * The first EZ state that was used for drawing with a decided EZ
 347          * direction (so either UNDECIDED, GT, or LT).
 348          */
 349         enum v3d_ez_state first_ez_state;
 350
 351         /**
 352          * Number of draw calls (not counting full buffer clears) queued in
 353          * the current job.
 354          */
 355         uint32_t draw_calls_queued;
 356
 357         struct v3d_job_key key;
 358 };
 359
 360 struct v3d_context {
 361         struct pipe_context base;
 362
 363         int fd;
 364         struct v3d_screen *screen;
 365
 366         /** The 3D rendering job for the currently bound FBO. */
 367         struct v3d_job *job;
 368
 369         /* Map from struct v3d_job_key to the job for that FBO.
 370          */
 371         struct hash_table *jobs;
 372
 373         /**
 374          * Map from v3d_resource to a job writing to that resource.
 375          *
 376          * Primarily for flushing jobs rendering to textures that are now
 377          * being read from.
 378          */
 379         struct hash_table *write_jobs;
 380
 381         struct slab_child_pool transfer_pool;
 382         struct blitter_context *blitter;
 383
 384         /** bitfield of VC5_DIRTY_* */
 385         uint32_t dirty;
 386
 387         struct primconvert_context *primconvert;
 388
 389         struct hash_table *fs_cache, *vs_cache;
 390         uint32_t next_uncompiled_program_id;
 391         uint64_t next_compiled_program_id;
 392
 393         struct v3d_compiler_state *compiler_state;
 394
 395         uint8_t prim_mode;
 396
 397         /** Maximum index buffer valid for the current shader_rec. */
 398         uint32_t max_index;
 399
 400         /** Sync object that our RCL or TFU job will update as its out_sync. */
 401         uint32_t out_sync;
 402
 403         /* Stream uploader used by gallium internals.  This could also be used
 404          * by driver internals, but we tend to use the v3d_cl.h interfaces
 405          * instead.
 406          */
 407         struct u_upload_mgr *uploader;
 408         /* State uploader used inside the driver.  This is for packing bits of
 409          * long-term state inside buffers, since the kernel interfaces
 410          * allocate a page at a time.
 411          */
 412         struct u_upload_mgr *state_uploader;
 413
 414         /** @{ Current pipeline state objects */
 415         struct pipe_scissor_state scissor;
 416         struct v3d_blend_state *blend;
 417         struct v3d_rasterizer_state *rasterizer;
 418         struct v3d_depth_stencil_alpha_state *zsa;
 419
 420         struct v3d_program_stateobj prog;
 421
 422         struct v3d_vertex_stateobj *vtx;
 423
 424         struct {
 425                 struct pipe_blend_color f;
 426                 uint16_t hf[4];
 427         } blend_color;
 428         struct pipe_stencil_ref stencil_ref;
 429         unsigned sample_mask;
 430         struct pipe_framebuffer_state framebuffer;
 431
 432         /* Per render target, whether we should swap the R and B fields in the
 433          * shader's color output and in blending.  If render targets disagree
 434          * on the R/B swap and use the constant color, then we would need to
 435          * fall back to in-shader blending.
 436          */
 437         uint8_t swap_color_rb;
 438
 439         /* Per render target, whether we should treat the dst alpha values as
 440          * one in blending.
 441          *
 442          * For RGBX formats, the tile buffer's alpha channel will be
 443          * undefined.
 444          */
 445         uint8_t blend_dst_alpha_one;
 446
 447         bool active_queries;
 448
 449         uint32_t tf_prims_generated;
 450         uint32_t prims_generated;
 451
 452         struct pipe_poly_stipple stipple;
 453         struct pipe_clip_state clip;
 454         struct pipe_viewport_state viewport;
 455         struct v3d_ssbo_stateobj ssbo[PIPE_SHADER_TYPES];
 456         struct v3d_shaderimg_stateobj shaderimg[PIPE_SHADER_TYPES];
 457         struct v3d_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
 458         struct v3d_texture_stateobj tex[PIPE_SHADER_TYPES];
 459         struct v3d_vertexbuf_stateobj vertexbuf;
 460         struct v3d_streamout_stateobj streamout;
 461         struct v3d_bo *current_oq;
 462         struct pipe_debug_callback debug;
 463         /** @} */
 464 };
 465
 466 struct v3d_rasterizer_state {
 467         struct pipe_rasterizer_state base;
 468
 469         float point_size;
 470
 471         uint8_t depth_offset[9];
 472         uint8_t depth_offset_z16[9];
 473 };
 474
 475 struct v3d_depth_stencil_alpha_state {
 476         struct pipe_depth_stencil_alpha_state base;
 477
 478         enum v3d_ez_state ez_state;
 479
 480         uint8_t stencil_front[6];
 481         uint8_t stencil_back[6];
 482 };
 483
 484 struct v3d_blend_state {
 485         struct pipe_blend_state base;
 486
 487         /* Per-RT mask of whether blending is enabled. */
 488         uint8_t blend_enables;
 489 };
 490
 491 #define perf_debug(...) do {                            \
 492         if (unlikely(V3D_DEBUG & V3D_DEBUG_PERF))       \
 493                 fprintf(stderr, __VA_ARGS__);           \
 494         if (unlikely(v3d->debug.debug_message))         \
 495                 pipe_debug_message(&v3d->debug, PERF_INFO, __VA_ARGS__);    \
 496 } while (0)
 497
 498 #define foreach_bit(b, mask)                                            \
 499         for (uint32_t _m = (mask), b; _m && ({(b) = u_bit_scan(&_m); 1;});)
 500
 501 static inline struct v3d_context *
 502 v3d_context(struct pipe_context *pcontext)
 503 {
 504         return (struct v3d_context *)pcontext;
 505 }
 506
 507 static inline struct v3d_sampler_view *
 508 v3d_sampler_view(struct pipe_sampler_view *psview)
 509 {
 510         return (struct v3d_sampler_view *)psview;
 511 }
 512
 513 static inline struct v3d_sampler_state *
 514 v3d_sampler_state(struct pipe_sampler_state *psampler)
 515 {
 516         return (struct v3d_sampler_state *)psampler;
 517 }
 518
 519 struct pipe_context *v3d_context_create(struct pipe_screen *pscreen,
 520                                         void *priv, unsigned flags);
 521 void v3d_program_init(struct pipe_context *pctx);
 522 void v3d_program_fini(struct pipe_context *pctx);
 523 void v3d_query_init(struct pipe_context *pctx);
 524
 525 void v3d_simulator_init(struct v3d_screen *screen);
 526 void v3d_simulator_destroy(struct v3d_screen *screen);
 527 int v3d_simulator_ioctl(int fd, unsigned long request, void *arg);
 528 void v3d_simulator_open_from_handle(int fd, int handle, uint32_t size);
 529
 530 static inline int
 531 v3d_ioctl(int fd, unsigned long request, void *arg)
 532 {
 533         if (using_v3d_simulator)
 534                 return v3d_simulator_ioctl(fd, request, arg);
 535         else
 536                 return drmIoctl(fd, request, arg);
 537 }
 538
 539 void v3d_set_shader_uniform_dirty_flags(struct v3d_compiled_shader *shader);
 540 struct v3d_cl_reloc v3d_write_uniforms(struct v3d_context *v3d,
 541                                        struct v3d_compiled_shader *shader,
 542                                        enum pipe_shader_type stage);
 543
 544 void v3d_flush(struct pipe_context *pctx);
 545 void v3d_job_init(struct v3d_context *v3d);
 546 struct v3d_job *v3d_get_job(struct v3d_context *v3d,
 547                             struct pipe_surface **cbufs,
 548                             struct pipe_surface *zsbuf);
 549 struct v3d_job *v3d_get_job_for_fbo(struct v3d_context *v3d);
 550 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
 551 void v3d_job_add_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 552 void v3d_job_submit(struct v3d_context *v3d, struct v3d_job *job);
 553 void v3d_flush_jobs_writing_resource(struct v3d_context *v3d,
 554                                      struct pipe_resource *prsc);
 555 void v3d_flush_jobs_reading_resource(struct v3d_context *v3d,
 556                                      struct pipe_resource *prsc);
 557 void v3d_update_compiled_shaders(struct v3d_context *v3d, uint8_t prim_mode);
 558
 559 bool v3d_rt_format_supported(const struct v3d_device_info *devinfo,
 560                              enum pipe_format f);
 561 bool v3d_tex_format_supported(const struct v3d_device_info *devinfo,
 562                               enum pipe_format f);
 563 uint8_t v3d_get_rt_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 564 uint8_t v3d_get_tex_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 565 uint8_t v3d_get_tex_return_size(const struct v3d_device_info *devinfo,
 566                                 enum pipe_format f,
 567                                 enum pipe_tex_compare compare);
 568 uint8_t v3d_get_tex_return_channels(const struct v3d_device_info *devinfo,
 569                                     enum pipe_format f);
 570 const uint8_t *v3d_get_format_swizzle(const struct v3d_device_info *devinfo,
 571                                       enum pipe_format f);
 572 void v3d_get_internal_type_bpp_for_output_format(const struct v3d_device_info *devinfo,
 573                                                  uint32_t format,
 574                                                  uint32_t *type,
 575                                                  uint32_t *bpp);
 576 bool v3d_tfu_supports_tex_format(const struct v3d_device_info *devinfo,
 577                                  uint32_t tex_format);
 578
 579 void v3d_init_query_functions(struct v3d_context *v3d);
 580 void v3d_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info);
 581 void v3d_blitter_save(struct v3d_context *v3d);
 582 boolean v3d_generate_mipmap(struct pipe_context *pctx,
 583                             struct pipe_resource *prsc,
 584                             enum pipe_format format,
 585                             unsigned int base_level,
 586                             unsigned int last_level,
 587                             unsigned int first_layer,
 588                             unsigned int last_layer);
 589
 590 struct v3d_fence *v3d_fence_create(struct v3d_context *v3d);
 591
 592 #ifdef v3dX
 593 #  include "v3dx_context.h"
 594 #else
 595 #  define v3dX(x) v3d33_##x
 596 #  include "v3dx_context.h"
 597 #  undef v3dX
 598
 599 #  define v3dX(x) v3d41_##x
 600 #  include "v3dx_context.h"
 601 #  undef v3dX
 602 #endif
 603
 604 #endif /* VC5_CONTEXT_H */