src/mesa/drivers/glide/fxdrv.h

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.3
   5  *
   6  * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions 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 MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  *
  26  * Original Mesa / 3Dfx device driver (C) 1999 David Bucciarelli, by the
  27  * terms stated above.
  28  *
  29  * Thank you for your contribution, David!
  30  *
  31  * Please make note of the above copyright/license statement.  If you
  32  * contributed code or bug fixes to this code under the previous (GNU
  33  * Library) license and object to the new license, your code will be
  34  * removed at your request.  Please see the Mesa docs/COPYRIGHT file
  35  * for more information.
  36  *
  37  * Additional Mesa/3Dfx driver developers:
  38  *   Daryll Strauss <daryll@precisioninsight.com>
  39  *   Keith Whitwell <keith@precisioninsight.com>
  40  *
  41  * See fxapi.h for more revision/author details.
  42  */
  43
  44
  45 #ifndef FXDRV_H
  46 #define FXDRV_H
  47
  48 /* If you comment out this define, a variable takes its place, letting
  49  * you turn debugging on/off from the debugger.
  50  */
  51
  52 #include "glheader.h"
  53
  54
  55 #if defined(__linux__)
  56 #include <signal.h>
  57 #endif
  58
  59 #include "context.h"
  60 #include "macros.h"
  61 #include "matrix.h"
  62 #include "mem.h"
  63 #include "texture.h"
  64 #include "mtypes.h"
  65
  66 #include "GL/fxmesa.h"
  67 #include "fxglidew.h"
  68
  69 #include "math/m_vector.h"
  70
  71
  72 /* Define some shorter names for these things.
  73  */
  74 #define XCOORD   GR_VERTEX_X_OFFSET
  75 #define YCOORD   GR_VERTEX_Y_OFFSET
  76 #define ZCOORD   GR_VERTEX_OOZ_OFFSET
  77 #define OOWCOORD GR_VERTEX_OOW_OFFSET
  78
  79 #define RCOORD   GR_VERTEX_R_OFFSET
  80 #define GCOORD   GR_VERTEX_G_OFFSET
  81 #define BCOORD   GR_VERTEX_B_OFFSET
  82 #define ACOORD   GR_VERTEX_A_OFFSET
  83
  84 #define S0COORD  GR_VERTEX_SOW_TMU0_OFFSET
  85 #define T0COORD  GR_VERTEX_TOW_TMU0_OFFSET
  86 #define S1COORD  GR_VERTEX_SOW_TMU1_OFFSET
  87 #define T1COORD  GR_VERTEX_TOW_TMU1_OFFSET
  88
  89
  90 /* Should have size == 16 * sizeof(float).
  91  */
  92 typedef union {
  93   GrVertex v;
  94   GLfloat f[16];
  95   GLuint ui[16];
  96 } fxVertex;
  97
  98 /* Used in the fxvtxfmt t&l engine.
  99  */
 100 typedef struct {
 101    GrVertex v;
 102    GLfloat clip[4];
 103    GLfloat texcoord[2][2];
 104    GLubyte mask;
 105    GLfloat normal[3];           /* for replay & fallback */
 106 } fxClipVertex;
 107
 108
 109
 110 typedef void (*vfmt_project_func)( GLcontext *ctx, fxClipVertex *v );
 111 typedef void (*vfmt_interpolate_func)( GLfloat t,
 112                                        fxClipVertex *O,
 113                                        const fxClipVertex *I,
 114                                        const fxClipVertex *J );
 115
 116
 117
 118 #if defined(FXMESA_USE_ARGB)
 119 #define FXCOLOR4( c ) (      \
 120   ( ((unsigned int)(c[3]))<<24 ) | \
 121   ( ((unsigned int)(c[0]))<<16 ) | \
 122   ( ((unsigned int)(c[1]))<<8 )  | \
 123   (  (unsigned int)(c[2])) )
 124
 125 #else
 126 #ifdef __i386__
 127 #define FXCOLOR4( c )  (* (int *)c)
 128 #else
 129 #define FXCOLOR4( c ) (      \
 130   ( ((unsigned int)(c[3]))<<24 ) | \
 131   ( ((unsigned int)(c[2]))<<16 ) | \
 132   ( ((unsigned int)(c[1]))<<8 )  | \
 133   (  (unsigned int)(c[0])) )
 134 #endif
 135 #endif
 136
 137
 138
 139 /* fastpath/vtxfmt flags first
 140  */
 141 #define SETUP_TMU0 0x1
 142 #define SETUP_TMU1 0x2
 143 #define SETUP_RGBA 0x4
 144 #define SETUP_SNAP 0x8
 145 #define SETUP_XYZW 0x10
 146 #define MAX_SETUP  0x20
 147
 148
 149 #define FX_NUM_TMU 2
 150
 151 #define FX_TMU0      GR_TMU0
 152 #define FX_TMU1      GR_TMU1
 153 #define FX_TMU_SPLIT 98
 154 #define FX_TMU_BOTH  99
 155 #define FX_TMU_NONE  100
 156
 157 /* Used for fxMesa->lastUnitsMode */
 158
 159 #define FX_UM_NONE                  0x00000000
 160
 161 #define FX_UM_E0_REPLACE            0x00000001
 162 #define FX_UM_E0_MODULATE           0x00000002
 163 #define FX_UM_E0_DECAL              0x00000004
 164 #define FX_UM_E0_BLEND              0x00000008
 165 #define FX_UM_E0_ADD                0x00000010
 166
 167 #define FX_UM_E1_REPLACE            0x00000020
 168 #define FX_UM_E1_MODULATE           0x00000040
 169 #define FX_UM_E1_DECAL              0x00000080
 170 #define FX_UM_E1_BLEND              0x00000100
 171 #define FX_UM_E1_ADD                0x00000200
 172
 173 #define FX_UM_E_ENVMODE             0x000003ff
 174
 175 #define FX_UM_E0_ALPHA              0x00001000
 176 #define FX_UM_E0_LUMINANCE          0x00002000
 177 #define FX_UM_E0_LUMINANCE_ALPHA    0x00004000
 178 #define FX_UM_E0_INTENSITY          0x00008000
 179 #define FX_UM_E0_RGB                0x00010000
 180 #define FX_UM_E0_RGBA               0x00020000
 181
 182 #define FX_UM_E1_ALPHA              0x00040000
 183 #define FX_UM_E1_LUMINANCE          0x00080000
 184 #define FX_UM_E1_LUMINANCE_ALPHA    0x00100000
 185 #define FX_UM_E1_INTENSITY          0x00200000
 186 #define FX_UM_E1_RGB                0x00400000
 187 #define FX_UM_E1_RGBA               0x00800000
 188
 189 #define FX_UM_E_IFMT                0x00fff000
 190
 191 #define FX_UM_COLOR_ITERATED        0x01000000
 192 #define FX_UM_COLOR_CONSTANT        0x02000000
 193 #define FX_UM_ALPHA_ITERATED        0x04000000
 194 #define FX_UM_ALPHA_CONSTANT        0x08000000
 195
 196
 197 /*
 198   Memory range from startAddr to endAddr-1
 199 */
 200 typedef struct MemRange_t {
 201   struct MemRange_t *next;
 202   FxU32 startAddr, endAddr;
 203 } MemRange;
 204
 205 typedef struct {
 206   GLsizei width, height;              /* image size */
 207   GrTextureFormat_t glideFormat;      /* Glide image format */
 208   unsigned short *data;               /* Glide-formated texture image */
 209 } tfxMipMapLevel;
 210
 211 typedef struct tfxTexInfo_t {
 212   struct tfxTexInfo *next;
 213   struct gl_texture_object *tObj;
 214
 215   GLuint lastTimeUsed;
 216   FxU32 whichTMU;
 217   GLboolean isInTM;
 218
 219   tfxMipMapLevel mipmapLevel[MAX_TEXTURE_LEVELS];
 220
 221   MemRange *tm[FX_NUM_TMU];
 222
 223   GLint minLevel, maxLevel;
 224   GLint baseLevelInternalFormat;
 225
 226   GrTexInfo info;
 227
 228   GrTextureFilterMode_t minFilt;
 229   GrTextureFilterMode_t maxFilt;
 230   FxBool LODblend;
 231
 232   GrTextureClampMode_t sClamp;
 233   GrTextureClampMode_t tClamp;
 234
 235   GrMipMapMode_t mmMode;
 236
 237   GLfloat sScale, tScale;
 238   GLint int_sScale, int_tScale; /* x86 floating point trick for
 239                                  * multiplication by powers of 2.
 240                                  * Used in fxfasttmp.h
 241                                  */
 242
 243   GuTexPalette palette;
 244
 245   GLboolean fixedPalette;
 246   GLboolean validated;
 247 } tfxTexInfo;
 248
 249 typedef struct {
 250   GLuint swapBuffer;
 251   GLuint reqTexUpload;
 252   GLuint texUpload;
 253   GLuint memTexUpload;
 254 } tfxStats;
 255
 256
 257
 258 typedef struct {
 259   /* Alpha test */
 260
 261   GLboolean alphaTestEnabled;
 262   GrCmpFnc_t alphaTestFunc;
 263   GrAlpha_t alphaTestRefValue;
 264
 265   /* Blend function */
 266
 267   GLboolean blendEnabled;
 268   GrAlphaBlendFnc_t blendSrcFuncRGB;
 269   GrAlphaBlendFnc_t blendDstFuncRGB;
 270   GrAlphaBlendFnc_t blendSrcFuncAlpha;
 271   GrAlphaBlendFnc_t blendDstFuncAlpha;
 272
 273   /* Depth test */
 274
 275   GLboolean depthTestEnabled;
 276   GLboolean depthMask;
 277   GrCmpFnc_t depthTestFunc;
 278 } tfxUnitsState;
 279
 280
 281
 282
 283 /* Flags for fxMesa->new_state
 284  */
 285 #define FX_NEW_TEXTURING      0x1
 286 #define FX_NEW_BLEND          0x2
 287 #define FX_NEW_ALPHA          0x4
 288 #define FX_NEW_DEPTH          0x8
 289 #define FX_NEW_FOG            0x10
 290 #define FX_NEW_SCISSOR        0x20
 291 #define FX_NEW_COLOR_MASK     0x40
 292 #define FX_NEW_CULL           0x80
 293
 294
 295 #define FX_CONTEXT(ctx) ((fxMesaContext)((ctx)->DriverCtx))
 296 #define FX_TEXTURE_DATA(t) fxTMGetTexInfo((t)->_Current)
 297
 298 #define BEGIN_BOARD_LOCK()
 299 #define END_BOARD_LOCK()
 300 #define BEGIN_CLIP_LOOP()
 301 #define END_CLIP_LOOP()
 302
 303
 304
 305
 306 /* Covers the state referenced by IsInHardware:
 307  */
 308 #define _FX_NEW_IS_IN_HARDWARE (_NEW_TEXTURE|           \
 309                                 _NEW_HINT|              \
 310                                 _NEW_STENCIL|           \
 311                                 _NEW_BUFFERS|           \
 312                                 _NEW_COLOR|             \
 313                                 _NEW_LIGHT)
 314
 315 /* Covers the state referenced by fxDDChooseRenderState
 316  */
 317 #define _FX_NEW_RENDERSTATE (_FX_NEW_IS_IN_HARDWARE |   \
 318                              _DD_NEW_FLATSHADE |        \
 319                              _DD_NEW_TRI_LIGHT_TWOSIDE| \
 320                              _DD_NEW_TRI_OFFSET |       \
 321                              _DD_NEW_TRI_UNFILLED |     \
 322                              _DD_NEW_TRI_SMOOTH |       \
 323                              _DD_NEW_TRI_STIPPLE |      \
 324                              _DD_NEW_LINE_SMOOTH |      \
 325                              _DD_NEW_LINE_STIPPLE |     \
 326                              _DD_NEW_LINE_WIDTH |       \
 327                              _DD_NEW_POINT_SMOOTH |     \
 328                              _DD_NEW_POINT_SIZE |       \
 329                              _NEW_LINE)
 330
 331 /* Covers the state referenced by fxDDChooseSetupFunction.
 332  */
 333 #define _FX_NEW_SETUP_FUNCTION (_NEW_LIGHT|     \
 334                                 _NEW_FOG|       \
 335                                 _NEW_TEXTURE|   \
 336                                 _NEW_COLOR)     \
 337
 338
 339 /* Covers the state referenced in fxDDCheckVtxfmt.
 340  */
 341 #define _FX_NEW_VTXFMT (_NEW_TEXTURE |                  \
 342                         _NEW_TEXTURE_MATRIX |           \
 343                         _NEW_TRANSFORM |                \
 344                         _NEW_LIGHT |                    \
 345                         _NEW_PROJECTION |               \
 346                         _NEW_MODELVIEW |                \
 347                         _TNL_NEW_NEED_EYE_COORDS |      \
 348                         _FX_NEW_RENDERSTATE)
 349
 350
 351 /* These lookup table are used to extract RGB values in [0,255] from
 352  * 16-bit pixel values.
 353  */
 354 extern GLubyte FX_PixelToR[0x10000];
 355 extern GLubyte FX_PixelToG[0x10000];
 356 extern GLubyte FX_PixelToB[0x10000];
 357
 358
 359 typedef void (*fx_tri_func)( GLcontext *, const fxVertex *,
 360                              const fxVertex *, const fxVertex * );
 361 typedef void (*fx_line_func)( GLcontext *, const fxVertex *, const fxVertex * );
 362 typedef void (*fx_point_func)( GLcontext *, const fxVertex * );
 363
 364 struct tfxMesaContext {
 365    GuTexPalette glbPalette;
 366
 367    GLcontext *glCtx;              /* the core Mesa context */
 368    GLvisual *glVis;               /* describes the color buffer */
 369    GLframebuffer *glBuffer;       /* the ancillary buffers */
 370
 371    GLint board;                   /* the board used for this context */
 372    GLint width, height;           /* size of color buffer */
 373
 374    GrBuffer_t currentFB;
 375
 376    GLboolean bgrOrder;
 377    GrColor_t color;
 378    GrColor_t clearC;
 379    GrAlpha_t clearA;
 380    GLuint constColor;
 381    GrCullMode_t cullMode;
 382
 383    tfxUnitsState unitsState;
 384    tfxUnitsState restoreUnitsState; /* saved during multipass */
 385
 386
 387    GLuint new_state;
 388
 389    /* Texture Memory Manager Data
 390     */
 391    GLuint texBindNumber;
 392    GLint tmuSrc;
 393    GLuint lastUnitsMode;
 394    GLuint freeTexMem[FX_NUM_TMU];
 395    MemRange *tmPool;
 396    MemRange *tmFree[FX_NUM_TMU];
 397
 398    GLenum fogTableMode;
 399    GLfloat fogDensity;
 400    GLfloat fogStart, fogEnd;
 401    GrFog_t *fogTable;
 402    GLint textureAlign;
 403
 404    /* Vertex building and storage:
 405     */
 406    GLuint tmu_source[FX_NUM_TMU];
 407    GLuint tex_dest[MAX_TEXTURE_UNITS];
 408    GLuint setupindex;
 409    GLuint setup_gone;           /* for multipass */
 410    GLuint stw_hint_state;       /* for grHints */
 411    fxVertex *verts;
 412
 413
 414    /* Rasterization:
 415     */
 416    GLuint render_index;
 417    GLuint passes, multipass;
 418    GLuint is_in_hardware;
 419
 420    /* Current rasterization functions
 421     */
 422    fx_point_func draw_point;
 423    fx_line_func draw_line;
 424    fx_tri_func draw_tri;
 425
 426    /* System to turn culling on/off for tris/lines/points.
 427     */
 428    fx_point_func initial_point;
 429    fx_line_func initial_line;
 430    fx_tri_func initial_tri;
 431
 432    fx_point_func subsequent_point;
 433    fx_line_func subsequent_line;
 434    fx_tri_func subsequent_tri;
 435
 436    /* Keep texture scales somewhere handy:
 437     */
 438    GLfloat s0scale;
 439    GLfloat s1scale;
 440    GLfloat t0scale;
 441    GLfloat t1scale;
 442
 443    GLfloat inv_s0scale;
 444    GLfloat inv_s1scale;
 445    GLfloat inv_t0scale;
 446    GLfloat inv_t1scale;
 447
 448    /* Glide stuff
 449     */
 450    tfxStats stats;
 451    void *state;
 452
 453    /* Options */
 454
 455    GLboolean verbose;
 456    GLboolean haveTwoTMUs;       /* True if we really have 2 tmu's  */
 457    GLboolean emulateTwoTMUs;    /* True if we present 2 tmu's to mesa.  */
 458    GLboolean haveAlphaBuffer;
 459    GLboolean haveZBuffer;
 460    GLboolean haveDoubleBuffer;
 461    GLboolean haveGlobalPaletteTexture;
 462    GLint swapInterval;
 463    GLint maxPendingSwapBuffers;
 464
 465    FX_GrContext_t glideContext;
 466
 467    int screen_width;
 468    int screen_height;
 469    int initDone;
 470    int clipMinX;
 471    int clipMaxX;
 472    int clipMinY;
 473    int clipMaxY;
 474
 475    /* fxvtxfmt
 476     */
 477    GLboolean allow_vfmt;
 478    GLvertexformat vtxfmt;
 479    fxClipVertex current;
 480    fxClipVertex *vert;          /* points into verts[] */
 481    void (*fire_on_vertex)( GLcontext * );
 482    void (*fire_on_end)( GLcontext * );
 483    void (*fire_on_fallback)( GLcontext * );
 484
 485    vfmt_project_func project_vertex;
 486    vfmt_interpolate_func interpolate_vertices;
 487
 488    int vtxfmt_fallback_count;
 489    int vtxfmt_installed;
 490    void (*old_begin)( GLenum );
 491    GLenum prim;
 492
 493    GLuint accel_light;
 494    GLfloat basecolor[4];
 495
 496
 497    /* Projected vertices, fastpath data:
 498     */
 499    GLvector1ui clipped_elements;
 500    fxVertex *last_vert;
 501    GLuint size;
 502 };
 503
 504 typedef void (*tfxSetupFunc)(GLcontext *ctx, GLuint, GLuint, GLuint);
 505
 506 extern GrHwConfiguration glbHWConfig;
 507 extern int glbCurrentBoard;
 508
 509 extern void fxSetupFXUnits(GLcontext *);
 510 extern void fxSetupDDPointers(GLcontext *);
 511
 512 /* fxvsetup:
 513  */
 514 extern void fxDDSetupInit(void);
 515 extern void fxAllocVB( GLcontext *ctx );
 516 extern void fxFreeVB( GLcontext *ctx );
 517 extern void fxPrintSetupFlags( const char *msg, GLuint flags );
 518 extern void fx_BuildProjVerts( GLcontext *ctx,
 519                                GLuint start, GLuint count,
 520                                GLuint newinputs );
 521 extern void fx_validate_BuildProjVerts(GLcontext *ctx,
 522                                        GLuint start, GLuint count,
 523                                        GLuint newinputs );
 524
 525 /* fxtrifuncs:
 526  */
 527 extern void fxDDTrifuncInit(void);
 528 extern void fxDDChooseRenderState( GLcontext *ctx );
 529
 530
 531 extern void fxUpdateDDSpanPointers(GLcontext *);
 532 extern void fxSetupDDSpanPointers(GLcontext *);
 533
 534 extern void fxPrintTextureData(tfxTexInfo *ti);
 535 extern GLboolean fxDDTexImage2D(GLcontext *ctx, GLenum target, GLint level,
 536                               GLenum format, GLenum type, const GLvoid *pixels,
 537                               const struct gl_pixelstore_attrib *packing,
 538                               struct gl_texture_object *texObj,
 539                               struct gl_texture_image *texImage,
 540                               GLboolean *retainInternalCopy);
 541 extern GLboolean fxDDTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
 542                               GLint xoffset, GLint yoffset,
 543                               GLsizei width, GLsizei height,
 544                               GLenum format, GLenum type, const GLvoid *pixels,
 545                               const struct gl_pixelstore_attrib *packing,
 546                               struct gl_texture_object *texObj,
 547                               struct gl_texture_image *texImage);
 548 extern GLvoid *fxDDGetTexImage(GLcontext *ctx, GLenum target, GLint level,
 549                                const struct gl_texture_object *texObj,
 550                                GLenum *formatOut, GLenum *typeOut,
 551                                GLboolean *freeImageOut );
 552 extern void fxDDTexEnv(GLcontext *, GLenum, GLenum, const GLfloat *);
 553 extern void fxDDTexParam(GLcontext *, GLenum, struct gl_texture_object *,
 554                          GLenum, const GLfloat *);
 555 extern void fxDDTexBind(GLcontext *, GLenum, struct gl_texture_object *);
 556 extern void fxDDTexDel(GLcontext *, struct gl_texture_object *);
 557 extern void fxDDTexPalette(GLcontext *, struct gl_texture_object *);
 558 extern void fxDDTexUseGlbPalette(GLcontext *, GLboolean);
 559
 560 extern void fxDDEnable(GLcontext *, GLenum, GLboolean);
 561 extern void fxDDAlphaFunc(GLcontext *, GLenum, GLclampf);
 562 extern void fxDDBlendFunc(GLcontext *, GLenum, GLenum);
 563 extern void fxDDDepthMask(GLcontext *, GLboolean);
 564 extern void fxDDDepthFunc(GLcontext *, GLenum);
 565
 566 extern void fxDDInitExtensions( GLcontext *ctx );
 567
 568 #define fxTMGetTexInfo(o) ((tfxTexInfo*)((o)->DriverData))
 569 extern void fxTMInit(fxMesaContext ctx);
 570 extern void fxTMClose(fxMesaContext ctx);
 571 extern void fxTMRestoreTextures_NoLock(fxMesaContext ctx);
 572 extern void fxTMMoveInTM(fxMesaContext, struct gl_texture_object *, GLint);
 573 extern void fxTMMoveOutTM(fxMesaContext, struct gl_texture_object *);
 574 #define fxTMMoveOutTM_NoLock fxTMMoveOutTM
 575 extern void fxTMFreeTexture(fxMesaContext, struct gl_texture_object *);
 576 extern void fxTMReloadMipMapLevel(fxMesaContext, struct gl_texture_object *, GLint);
 577 extern void fxTMReloadSubMipMapLevel(fxMesaContext, struct gl_texture_object *,
 578                                      GLint, GLint, GLint);
 579
 580 extern void fxTexGetFormat(GLenum, GrTextureFormat_t *, GLint *);
 581 extern int fxTexGetInfo(int, int, GrLOD_t *, GrAspectRatio_t *,
 582                         float *, float *, int *, int *, int *, int *);
 583
 584 extern void fxDDScissor( GLcontext *ctx,
 585                               GLint x, GLint y, GLsizei w, GLsizei h );
 586 extern void fxDDFogfv( GLcontext *ctx, GLenum pname, const GLfloat *params );
 587 extern void fxDDColorMask(GLcontext *ctx,
 588                           GLboolean r, GLboolean g,
 589                           GLboolean b, GLboolean a );
 590
 591 extern void fxDDWriteDepthSpan(GLcontext *ctx, GLuint n, GLint x, GLint y,
 592                                const GLdepth depth[], const GLubyte mask[]);
 593
 594 extern void fxDDReadDepthSpan(GLcontext *ctx, GLuint n, GLint x, GLint y,
 595                               GLdepth depth[]);
 596
 597 extern void fxDDWriteDepthPixels(GLcontext *ctx, GLuint n,
 598                                  const GLint x[], const GLint y[],
 599                                  const GLdepth depth[], const GLubyte mask[]);
 600
 601 extern void fxDDReadDepthPixels(GLcontext *ctx, GLuint n,
 602                                 const GLint x[], const GLint y[],
 603                                 GLdepth depth[]);
 604
 605 extern void fxDDShadeModel(GLcontext *ctx, GLenum mode);
 606
 607 extern void fxDDCullFace(GLcontext *ctx, GLenum mode);
 608 extern void fxDDFrontFace(GLcontext *ctx, GLenum mode);
 609
 610 extern void fxPrintRenderState( const char *msg, GLuint state );
 611 extern void fxPrintHintState( const char *msg, GLuint state );
 612
 613 extern int fxDDInitFxMesaContext( fxMesaContext fxMesa );
 614 extern void fxDDDestroyFxMesaContext( fxMesaContext fxMesa );
 615
 616
 617
 618
 619 extern void fxSetScissorValues(GLcontext *ctx);
 620 extern void fxTMMoveInTM_NoLock(fxMesaContext fxMesa,
 621                                 struct gl_texture_object *tObj,
 622                                 GLint where);
 623 extern void fxInitPixelTables(fxMesaContext fxMesa, GLboolean bgrOrder);
 624
 625
 626 /* fxvtxfmt:
 627  */
 628 extern void fxDDCheckVtxfmt( GLcontext *ctx );
 629 extern void fx_update_lighting( GLcontext *ctx );
 630 extern void fxDDInitVtxfmt( GLcontext *ctx );
 631
 632 /* fxsimplerender
 633  */
 634 extern const struct gl_pipeline_stage fx_render_stage;
 635
 636 #endif