src/mesa/drivers/glide/fxdrv.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  4.0
   4  *
   5  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /* Authors:
  26  *    David Bucciarelli
  27  *    Brian Paul
  28  *    Daryll Strauss
  29  *    Keith Whitwell
  30  *    Daniel Borca
  31  *    Hiroshi Morii
  32  */
  33
  34 /* fxsetup.c - 3Dfx VooDoo rendering mode setup functions */
  35
  36
  37 #ifndef FXDRV_H
  38 #define FXDRV_H
  39
  40 /* If you comment out this define, a variable takes its place, letting
  41  * you turn debugging on/off from the debugger.
  42  */
  43
  44 #include "glheader.h"
  45
  46
  47 #if defined(__linux__)
  48 #include <signal.h>
  49 #endif
  50
  51 #include "context.h"
  52 #include "imports.h"
  53 #include "macros.h"
  54 #include "matrix.h"
  55 #include "mtypes.h"
  56
  57 #include "GL/fxmesa.h"
  58 #include "fxglidew.h"
  59
  60 #include "math/m_vector.h"
  61
  62
  63 /* Define some shorter names for these things.
  64  */
  65 #define XCOORD   GR_VERTEX_X_OFFSET
  66 #define YCOORD   GR_VERTEX_Y_OFFSET
  67 #define ZCOORD   GR_VERTEX_OOZ_OFFSET
  68 #define OOWCOORD GR_VERTEX_OOW_OFFSET
  69
  70 #define S0COORD  GR_VERTEX_SOW_TMU0_OFFSET
  71 #define T0COORD  GR_VERTEX_TOW_TMU0_OFFSET
  72 #define S1COORD  GR_VERTEX_SOW_TMU1_OFFSET
  73 #define T1COORD  GR_VERTEX_TOW_TMU1_OFFSET
  74
  75
  76
  77 #ifdef __i386__
  78 #define FXCOLOR4( c )  (* (int *)c)
  79 #else
  80 #define FXCOLOR4( c ) (      \
  81   ( ((unsigned int)(c[3]))<<24 ) | \
  82   ( ((unsigned int)(c[2]))<<16 ) | \
  83   ( ((unsigned int)(c[1]))<<8 )  | \
  84   (  (unsigned int)(c[0])) )
  85 #endif
  86
  87 #define TDFXPACKCOLOR1555( r, g, b, a )                                    \
  88    ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) |      \
  89     ((a) ? 0x8000 : 0))
  90 #define TDFXPACKCOLOR565( r, g, b )                                        \
  91    ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
  92 #define TDFXPACKCOLOR8888( r, g, b, a )                                    \
  93    (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
  94
  95
  96
  97 /* fastpath flags first
  98  */
  99 #define SETUP_TMU0 0x1
 100 #define SETUP_TMU1 0x2
 101 #define SETUP_RGBA 0x4
 102 #define SETUP_SNAP 0x8
 103 #define SETUP_XYZW 0x10
 104 #define SETUP_PTEX 0x20
 105 #define SETUP_PSIZ 0x40
 106 #define SETUP_SPEC 0x80
 107 #define MAX_SETUP  0x100
 108
 109
 110 #define FX_NUM_TMU 2
 111
 112 #define FX_TMU0      GR_TMU0
 113 #define FX_TMU1      GR_TMU1
 114 #define FX_TMU_SPLIT 98
 115 #define FX_TMU_BOTH  99
 116 #define FX_TMU_NONE  100
 117
 118 /* Used for fxMesa->lastUnitsMode */
 119
 120 #define FX_UM_NONE                  0x00000000
 121
 122 #define FX_UM_E0_REPLACE            0x00000001
 123 #define FX_UM_E0_MODULATE           0x00000002
 124 #define FX_UM_E0_DECAL              0x00000004
 125 #define FX_UM_E0_BLEND              0x00000008
 126 #define FX_UM_E0_ADD                0x00000010
 127
 128 #define FX_UM_E1_REPLACE            0x00000020
 129 #define FX_UM_E1_MODULATE           0x00000040
 130 #define FX_UM_E1_DECAL              0x00000080
 131 #define FX_UM_E1_BLEND              0x00000100
 132 #define FX_UM_E1_ADD                0x00000200
 133
 134 #define FX_UM_E_ENVMODE             0x000003ff
 135
 136 #define FX_UM_E0_ALPHA              0x00001000
 137 #define FX_UM_E0_LUMINANCE          0x00002000
 138 #define FX_UM_E0_LUMINANCE_ALPHA    0x00004000
 139 #define FX_UM_E0_INTENSITY          0x00008000
 140 #define FX_UM_E0_RGB                0x00010000
 141 #define FX_UM_E0_RGBA               0x00020000
 142
 143 #define FX_UM_E1_ALPHA              0x00040000
 144 #define FX_UM_E1_LUMINANCE          0x00080000
 145 #define FX_UM_E1_LUMINANCE_ALPHA    0x00100000
 146 #define FX_UM_E1_INTENSITY          0x00200000
 147 #define FX_UM_E1_RGB                0x00400000
 148 #define FX_UM_E1_RGBA               0x00800000
 149
 150 #define FX_UM_E_IFMT                0x00fff000
 151
 152 #define FX_UM_COLOR_ITERATED        0x01000000
 153 #define FX_UM_COLOR_CONSTANT        0x02000000
 154 #define FX_UM_ALPHA_ITERATED        0x04000000
 155 #define FX_UM_ALPHA_CONSTANT        0x08000000
 156
 157
 158 /* for Voodoo3/Banshee's grColorCombine() and grAlphaCombine() */
 159 struct tdfx_combine {
 160    GrCombineFunction_t Function;        /* Combine function */
 161    GrCombineFactor_t Factor;            /* Combine scale factor */
 162    GrCombineLocal_t Local;              /* Local combine source */
 163    GrCombineOther_t Other;              /* Other combine source */
 164    FxBool Invert;                       /* Combine result inversion flag */
 165 };
 166
 167 /* for Voodoo3's grTexCombine() */
 168 struct tdfx_texcombine {
 169    GrCombineFunction_t FunctionRGB;
 170    GrCombineFactor_t FactorRGB;
 171    GrCombineFunction_t FunctionAlpha;
 172    GrCombineFactor_t FactorAlpha;
 173    FxBool InvertRGB;
 174    FxBool InvertAlpha;
 175 };
 176
 177
 178 /* for Voodoo5's grColorCombineExt() */
 179 struct tdfx_combine_color_ext {
 180    GrCCUColor_t SourceA;
 181    GrCombineMode_t ModeA;
 182    GrCCUColor_t SourceB;
 183    GrCombineMode_t ModeB;
 184    GrCCUColor_t SourceC;
 185    FxBool InvertC;
 186    GrCCUColor_t SourceD;
 187    FxBool InvertD;
 188    FxU32 Shift;
 189    FxBool Invert;
 190 };
 191
 192 /* for Voodoo5's grAlphaCombineExt() */
 193 struct tdfx_combine_alpha_ext {
 194    GrACUColor_t SourceA;
 195    GrCombineMode_t ModeA;
 196    GrACUColor_t SourceB;
 197    GrCombineMode_t ModeB;
 198    GrACUColor_t SourceC;
 199    FxBool InvertC;
 200    GrACUColor_t SourceD;
 201    FxBool InvertD;
 202    FxU32 Shift;
 203    FxBool Invert;
 204 };
 205
 206 /* for Voodoo5's grTexColorCombineExt() */
 207 struct tdfx_color_texenv {
 208    GrTCCUColor_t SourceA;
 209    GrCombineMode_t ModeA;
 210    GrTCCUColor_t SourceB;
 211    GrCombineMode_t ModeB;
 212    GrTCCUColor_t SourceC;
 213    FxBool InvertC;
 214    GrTCCUColor_t SourceD;
 215    FxBool InvertD;
 216    FxU32 Shift;
 217    FxBool Invert;
 218 };
 219
 220 /* for Voodoo5's grTexAlphaCombineExt() */
 221 struct tdfx_alpha_texenv {
 222    GrTACUColor_t SourceA;
 223    GrCombineMode_t ModeA;
 224    GrTACUColor_t SourceB;
 225    GrCombineMode_t ModeB;
 226    GrTACUColor_t SourceC;
 227    FxBool InvertC;
 228    GrTCCUColor_t SourceD;
 229    FxBool InvertD;
 230    FxU32 Shift;
 231    FxBool Invert;
 232 };
 233
 234 /* Voodoo5's texture combine environment */
 235 struct tdfx_texcombine_ext {
 236    struct tdfx_alpha_texenv Alpha;
 237    struct tdfx_color_texenv Color;
 238    GrColor_t EnvColor;
 239 };
 240
 241
 242 /*
 243   Memory range from startAddr to endAddr-1
 244 */
 245 typedef struct MemRange_t
 246 {
 247    struct MemRange_t *next;
 248    FxU32 startAddr, endAddr;
 249 }
 250 MemRange;
 251
 252 typedef struct
 253 {
 254    GLsizei width, height;       /* image size */
 255    GLint wScale, hScale;        /* image scale factor */
 256    GrTextureFormat_t glideFormat;       /* Glide image format */
 257 }
 258 tfxMipMapLevel;
 259
 260 /*
 261  * TDFX-specific texture object data.  This hangs off of the
 262  * struct gl_texture_object DriverData pointer.
 263  */
 264 typedef struct tfxTexInfo_t
 265 {
 266    struct tfxTexInfo_t *next;
 267    struct gl_texture_object *tObj;
 268
 269    GLuint lastTimeUsed;
 270    FxU32 whichTMU;
 271    GLboolean isInTM;
 272
 273    MemRange *tm[FX_NUM_TMU];
 274
 275    GLint minLevel, maxLevel;
 276    GLint baseLevelInternalFormat;
 277
 278    GrTexInfo info;
 279
 280    GrTextureFilterMode_t minFilt;
 281    GrTextureFilterMode_t maxFilt;
 282    FxBool LODblend;
 283
 284    GrTextureClampMode_t sClamp;
 285    GrTextureClampMode_t tClamp;
 286
 287    GrMipMapMode_t mmMode;
 288
 289    GLfloat sScale, tScale;
 290
 291    GrTexTable_t paltype;
 292    GuTexPalette palette;
 293
 294    GLboolean fixedPalette;
 295    GLboolean validated;
 296 }
 297 tfxTexInfo;
 298
 299 typedef struct
 300 {
 301    GLuint swapBuffer;
 302    GLuint reqTexUpload;
 303    GLuint texUpload;
 304    GLuint memTexUpload;
 305 }
 306 tfxStats;
 307
 308
 309
 310 typedef struct
 311 {
 312    /* Alpha test */
 313
 314    GLboolean alphaTestEnabled;
 315    GrCmpFnc_t alphaTestFunc;
 316    GLfloat alphaTestRefValue;
 317
 318    /* Blend function */
 319
 320    GLboolean blendEnabled;
 321    GrAlphaBlendFnc_t blendSrcFuncRGB;
 322    GrAlphaBlendFnc_t blendDstFuncRGB;
 323    GrAlphaBlendFnc_t blendSrcFuncAlpha;
 324    GrAlphaBlendFnc_t blendDstFuncAlpha;
 325    GrAlphaBlendOp_t blendEq;
 326
 327    /* Depth test */
 328
 329    GLboolean depthTestEnabled;
 330    GLboolean depthMask;
 331    GrCmpFnc_t depthTestFunc;
 332    FxI32 depthBias;
 333
 334    /* Stencil */
 335
 336    GLboolean stencilEnabled;
 337    GrCmpFnc_t stencilFunction;          /* Stencil function */
 338    GrStencil_t stencilRefValue;         /* Stencil reference value */
 339    GrStencil_t stencilValueMask;        /* Value mask */
 340    GrStencil_t stencilWriteMask;        /* Write mask */
 341    GrCmpFnc_t stencilFailFunc;          /* Stencil fail function */
 342    GrCmpFnc_t stencilZFailFunc;         /* Stencil pass, depth fail function */
 343    GrCmpFnc_t stencilZPassFunc;         /* Stencil pass, depth pass function */
 344    GrStencil_t stencilClear;            /* Buffer clear value */
 345 }
 346 tfxUnitsState;
 347
 348
 349
 350
 351 /* Flags for fxMesa->new_state
 352  */
 353 #define FX_NEW_TEXTURING      0x1
 354 #define FX_NEW_BLEND          0x2
 355 #define FX_NEW_ALPHA          0x4
 356 #define FX_NEW_DEPTH          0x8
 357 #define FX_NEW_FOG            0x10
 358 #define FX_NEW_SCISSOR        0x20
 359 #define FX_NEW_COLOR_MASK     0x40
 360 #define FX_NEW_CULL           0x80
 361 #define FX_NEW_STENCIL        0x100
 362
 363
 364 #define FX_CONTEXT(ctx) ((fxMesaContext)((ctx)->DriverCtx))
 365
 366 #define FX_TEXTURE_DATA(texUnit) fxTMGetTexInfo((texUnit)->_Current)
 367
 368 #define fxTMGetTexInfo(o) ((tfxTexInfo*)((o)->DriverData))
 369
 370 #define FX_MIPMAP_DATA(img)  ((tfxMipMapLevel *) (img)->DriverData)
 371
 372 #define BEGIN_BOARD_LOCK()
 373 #define END_BOARD_LOCK()
 374 #define BEGIN_CLIP_LOOP()
 375 #define END_CLIP_LOOP()
 376
 377
 378
 379
 380 /* Covers the state referenced by IsInHardware:
 381  */
 382 #define _FX_NEW_IS_IN_HARDWARE (_NEW_TEXTURE|           \
 383                                 _NEW_HINT|              \
 384                                 _NEW_STENCIL|           \
 385                                 _NEW_BUFFERS|           \
 386                                 _NEW_COLOR|             \
 387                                 _NEW_LIGHT)
 388
 389 /* Covers the state referenced by fxDDChooseRenderState
 390  */
 391 #define _FX_NEW_RENDERSTATE (_FX_NEW_IS_IN_HARDWARE |   \
 392                              _DD_NEW_FLATSHADE |        \
 393                              _DD_NEW_TRI_LIGHT_TWOSIDE| \
 394                              _DD_NEW_TRI_OFFSET |       \
 395                              _DD_NEW_TRI_UNFILLED |     \
 396                              _DD_NEW_TRI_SMOOTH |       \
 397                              _DD_NEW_TRI_STIPPLE |      \
 398                              _DD_NEW_LINE_SMOOTH |      \
 399                              _DD_NEW_LINE_STIPPLE |     \
 400                              _DD_NEW_LINE_WIDTH |       \
 401                              _DD_NEW_POINT_SMOOTH |     \
 402                              _DD_NEW_POINT_SIZE |       \
 403                              _NEW_LINE)
 404
 405
 406 /* Covers the state referenced by fxDDChooseSetupFunction.
 407  */
 408 #define _FX_NEW_SETUP_FUNCTION (_NEW_LIGHT|     \
 409                                 _NEW_FOG|       \
 410                                 _NEW_TEXTURE|   \
 411                                 _NEW_COLOR)     \
 412
 413
 414 /* lookup table for scaling y bit colors up to 8 bits */
 415 extern GLuint FX_rgb_scale_4[16];
 416 extern GLuint FX_rgb_scale_5[32];
 417 extern GLuint FX_rgb_scale_6[64];
 418
 419 typedef void (*fx_tri_func) (fxMesaContext, GrVertex *, GrVertex *, GrVertex *);
 420 typedef void (*fx_line_func) (fxMesaContext, GrVertex *, GrVertex *);
 421 typedef void (*fx_point_func) (fxMesaContext, GrVertex *);
 422
 423 struct tfxMesaContext
 424 {
 425    GrTexTable_t glbPalType;
 426    GuTexPalette glbPalette;
 427
 428    GLcontext *glCtx;            /* the core Mesa context */
 429    GLvisual *glVis;             /* describes the color buffer */
 430    GLframebuffer *glBuffer;     /* the ancillary buffers */
 431
 432    GLint board;                 /* the board used for this context */
 433    GLint width, height;         /* size of color buffer */
 434
 435    GrBuffer_t currentFB;
 436
 437    GLboolean bgrOrder;
 438    GrColor_t color;
 439    GrColor_t clearC;
 440    GrAlpha_t clearA;
 441    GLuint constColor;
 442    GrCullMode_t cullMode;
 443
 444    tfxUnitsState unitsState;
 445    tfxUnitsState restoreUnitsState;     /* saved during multipass */
 446
 447
 448    GLuint new_state;
 449    GLuint new_gl_state;
 450
 451    /* Texture Memory Manager Data
 452     */
 453    GLuint texBindNumber;
 454    GLint tmuSrc;
 455    GLuint lastUnitsMode;
 456    GLuint freeTexMem[FX_NUM_TMU];
 457    MemRange *tmPool;
 458    MemRange *tmFree[FX_NUM_TMU];
 459
 460    GLenum fogTableMode;
 461    GLfloat fogDensity;
 462    GLfloat fogStart, fogEnd;
 463    GrFog_t *fogTable;
 464    GLint textureAlign;
 465    GLint textureMaxLod;
 466
 467    /* Vertex building and storage:
 468     */
 469    GLuint tmu_source[FX_NUM_TMU];
 470    GLuint SetupIndex;
 471    GLuint stw_hint_state;       /* for grHints */
 472    GrVertex *verts;
 473    GLboolean snapVertices;      /* needed for older Voodoo hardware */
 474
 475    /* Rasterization:
 476     */
 477    GLuint render_index;
 478    GLuint fallback;
 479    GLenum render_primitive;
 480    GLenum raster_primitive;
 481
 482    /* Current rasterization functions
 483     */
 484    fx_point_func draw_point;
 485    fx_line_func draw_line;
 486    fx_tri_func draw_tri;
 487
 488
 489    /* Keep texture scales somewhere handy:
 490     */
 491    GLfloat s0scale;
 492    GLfloat s1scale;
 493    GLfloat t0scale;
 494    GLfloat t1scale;
 495
 496    GLfloat inv_s0scale;
 497    GLfloat inv_s1scale;
 498    GLfloat inv_t0scale;
 499    GLfloat inv_t1scale;
 500
 501    /* Glide stuff
 502     */
 503    tfxStats stats;
 504    void *state;
 505
 506    /* Options */
 507
 508    GLboolean verbose;
 509    GLboolean haveTwoTMUs;       /* True if we really have 2 tmu's  */
 510    GLboolean haveHwAlpha;
 511    GLboolean haveHwStencil;
 512    GLboolean haveZBuffer;
 513    GLboolean haveDoubleBuffer;
 514    GLboolean haveGlobalPaletteTexture;
 515    GLint swapInterval;
 516    GLint maxPendingSwapBuffers;
 517
 518    GrContext_t glideContext;
 519
 520    int screen_width;
 521    int screen_height;
 522    int clipMinX;
 523    int clipMaxX;
 524    int clipMinY;
 525    int clipMaxY;
 526
 527    int colDepth;
 528    GLboolean fsaa;
 529
 530    /* Glide (per card) capabilities. These get mirrored
 531     * from `glbHWConfig' when creating a new context...
 532     */
 533    GrSstType type;
 534    FxBool HavePalExt;   /* PALETTE6666 */
 535    FxBool HavePixExt;   /* PIXEXT */
 536    FxBool HaveTexFmt;   /* TEXFMT */
 537    FxBool HaveCmbExt;   /* COMBINE */
 538    FxBool HaveMirExt;   /* TEXMIRROR */
 539    FxBool HaveTexUma;   /* TEXUMA */
 540    FxBool HaveTexus2;   /* Texus 2 - FXT1 */
 541    struct tdfx_glide Glide;
 542    char rendererString[64];
 543 };
 544
 545
 546 extern void fxSetupFXUnits(GLcontext *);
 547 extern void fxSetupDDPointers(GLcontext *);
 548
 549 /* fxvb.c:
 550  */
 551 extern void fxAllocVB(GLcontext * ctx);
 552 extern void fxFreeVB(GLcontext * ctx);
 553 extern void fxPrintSetupFlags(char *msg, GLuint flags );
 554 extern void fxCheckTexSizes( GLcontext *ctx );
 555 extern void fxBuildVertices( GLcontext *ctx, GLuint start, GLuint count,
 556                              GLuint newinputs );
 557 extern void fxChooseVertexState( GLcontext *ctx );
 558
 559
 560
 561
 562
 563
 564 /* fxtrifuncs:
 565  */
 566 extern void fxDDInitTriFuncs(GLcontext *);
 567 extern void fxDDChooseRenderState(GLcontext * ctx);
 568
 569
 570 extern void fxUpdateDDSpanPointers(GLcontext *);
 571 extern void fxSetupDDSpanPointers(GLcontext *);
 572
 573 extern void fxPrintTextureData(tfxTexInfo * ti);
 574
 575 extern const struct gl_texture_format *
 576 fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
 577                          GLenum srcFormat, GLenum srcType );
 578 extern void fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 579                            GLint internalFormat, GLint width, GLint height,
 580                            GLint border, GLenum format, GLenum type,
 581                            const GLvoid * pixels,
 582                            const struct gl_pixelstore_attrib *packing,
 583                            struct gl_texture_object *texObj,
 584                            struct gl_texture_image *texImage);
 585 extern void fxDDTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 586                               GLint xoffset, GLint yoffset,
 587                               GLsizei width, GLsizei height,
 588                               GLenum format, GLenum type,
 589                               const GLvoid * pixels,
 590                               const struct gl_pixelstore_attrib *packing,
 591                               struct gl_texture_object *texObj,
 592                               struct gl_texture_image *texImage);
 593 extern void fxDDCompressedTexImage2D(GLcontext *ctx, GLenum target,
 594                                      GLint level, GLint internalFormat,
 595                                      GLsizei width, GLsizei height, GLint border,
 596                                      GLsizei imageSize, const GLvoid *data,
 597                                      struct gl_texture_object *texObj,
 598                                      struct gl_texture_image *texImage);
 599 extern void fxDDCompressedTexSubImage2D(GLcontext *ctx, GLenum target,
 600                                         GLint level, GLint xoffset,
 601                                         GLint yoffset, GLsizei width,
 602                                         GLint height, GLenum format,
 603                                         GLsizei imageSize, const GLvoid *data,
 604                                         struct gl_texture_object *texObj,
 605                                         struct gl_texture_image *texImage);
 606 extern void fxDDTexImage1D(GLcontext * ctx, GLenum target, GLint level,
 607                            GLint internalFormat, GLint width,
 608                            GLint border, GLenum format, GLenum type,
 609                            const GLvoid * pixels,
 610                            const struct gl_pixelstore_attrib *packing,
 611                            struct gl_texture_object *texObj,
 612                            struct gl_texture_image *texImage);
 613 extern void fxDDTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
 614                               GLint xoffset, GLint width,
 615                               GLenum format, GLenum type,
 616                               const GLvoid * pixels,
 617                               const struct gl_pixelstore_attrib *packing,
 618                               struct gl_texture_object *texObj,
 619                               struct gl_texture_image *texImage);
 620 extern GLboolean fxDDTestProxyTexImage (GLcontext *ctx, GLenum target,
 621                                         GLint level, GLint internalFormat,
 622                                         GLenum format, GLenum type,
 623                                         GLint width, GLint height,
 624                                         GLint depth, GLint border);
 625 extern void fxDDTexEnv(GLcontext *, GLenum, GLenum, const GLfloat *);
 626 extern void fxDDTexParam(GLcontext *, GLenum, struct gl_texture_object *,
 627                          GLenum, const GLfloat *);
 628 extern void fxDDTexBind(GLcontext *, GLenum, struct gl_texture_object *);
 629 extern struct gl_texture_object *fxDDNewTextureObject( GLcontext *ctx, GLuint name, GLenum target );
 630 extern void fxDDTexDel(GLcontext *, struct gl_texture_object *);
 631 extern GLboolean fxDDIsTextureResident(GLcontext *, struct gl_texture_object *);
 632 extern void fxDDTexPalette(GLcontext *, struct gl_texture_object *);
 633 extern void fxDDTexUseGlbPalette(GLcontext *, GLboolean);
 634
 635 extern void fxDDEnable(GLcontext *, GLenum, GLboolean);
 636 extern void fxDDAlphaFunc(GLcontext *, GLenum, GLfloat);
 637 extern void fxDDBlendFuncSeparate(GLcontext *, GLenum, GLenum, GLenum, GLenum);
 638 extern void fxDDBlendEquationSeparate(GLcontext *, GLenum, GLenum);
 639 extern void fxDDDepthMask(GLcontext *, GLboolean);
 640 extern void fxDDDepthFunc(GLcontext *, GLenum);
 641 extern void fxDDStencilFunc (GLcontext *ctx, GLenum func, GLint ref, GLuint mask);
 642 extern void fxDDStencilMask (GLcontext *ctx, GLuint mask);
 643 extern void fxDDStencilOp (GLcontext *ctx, GLenum sfail, GLenum zfail, GLenum zpass);
 644
 645 extern void fxDDInitExtensions(GLcontext * ctx);
 646
 647 extern void fxTMInit(fxMesaContext ctx);
 648 extern void fxTMClose(fxMesaContext ctx);
 649 extern void fxTMRestoreTextures_NoLock(fxMesaContext ctx);
 650 extern void fxTMMoveInTM(fxMesaContext, struct gl_texture_object *, GLint);
 651 extern void fxTMMoveOutTM(fxMesaContext, struct gl_texture_object *);
 652 #define fxTMMoveOutTM_NoLock fxTMMoveOutTM
 653 extern void fxTMFreeTexture(fxMesaContext, struct gl_texture_object *);
 654 extern void fxTMReloadMipMapLevel(fxMesaContext, struct gl_texture_object *,
 655                                   GLint);
 656 extern void fxTMReloadSubMipMapLevel(fxMesaContext,
 657                                      struct gl_texture_object *, GLint, GLint,
 658                                      GLint);
 659 extern int fxTMCheckStartAddr (fxMesaContext fxMesa, GLint tmu, tfxTexInfo *ti);
 660
 661 extern void fxTexGetFormat(GLcontext *, GLenum, GrTextureFormat_t *, GLint *); /* [koolsmoky] */
 662
 663 extern int fxTexGetInfo(int, int, GrLOD_t *, GrAspectRatio_t *,
 664                         float *, float *, int *, int *);
 665
 666 extern void fxDDScissor(GLcontext * ctx,
 667                         GLint x, GLint y, GLsizei w, GLsizei h);
 668 extern void fxDDFogfv(GLcontext * ctx, GLenum pname, const GLfloat * params);
 669 extern void fxDDColorMask(GLcontext * ctx,
 670                           GLboolean r, GLboolean g, GLboolean b, GLboolean a);
 671
 672 extern void fxDDWriteDepthSpan(GLcontext * ctx, GLuint n, GLint x, GLint y,
 673                                const GLdepth depth[], const GLubyte mask[]);
 674
 675 extern void fxDDReadDepthSpan(GLcontext * ctx, GLuint n, GLint x, GLint y,
 676                               GLdepth depth[]);
 677
 678 extern void fxDDWriteDepthPixels(GLcontext * ctx, GLuint n,
 679                                  const GLint x[], const GLint y[],
 680                                  const GLdepth depth[], const GLubyte mask[]);
 681
 682 extern void fxDDReadDepthPixels(GLcontext * ctx, GLuint n,
 683                                 const GLint x[], const GLint y[],
 684                                 GLdepth depth[]);
 685
 686 extern void fxDDShadeModel(GLcontext * ctx, GLenum mode);
 687
 688 extern void fxDDCullFace(GLcontext * ctx, GLenum mode);
 689 extern void fxDDFrontFace(GLcontext * ctx, GLenum mode);
 690
 691 extern void fxPrintRenderState(const char *msg, GLuint state);
 692 extern void fxPrintHintState(const char *msg, GLuint state);
 693
 694 extern int fxDDInitFxMesaContext(fxMesaContext fxMesa);
 695 extern void fxDDDestroyFxMesaContext(fxMesaContext fxMesa);
 696
 697
 698 extern void fxSetScissorValues(GLcontext * ctx);
 699 extern void fxTMMoveInTM_NoLock(fxMesaContext fxMesa,
 700                                 struct gl_texture_object *tObj, GLint where);
 701
 702 extern void fxCheckIsInHardware(GLcontext *ctx);
 703
 704 /* fxsetup:
 705  * semi-private functions
 706  */
 707 void fxSetupCull (GLcontext * ctx);
 708 void fxSetupScissor (GLcontext * ctx);
 709 void fxSetupColorMask (GLcontext * ctx);
 710 void fxSetupBlend (GLcontext *ctx);
 711 void fxSetupDepthTest (GLcontext *ctx);
 712 void fxSetupTexture (GLcontext *ctx);
 713
 714 /* Flags for software fallback cases */
 715 #define FX_FALLBACK_TEXTURE_MAP         0x0001
 716 #define FX_FALLBACK_DRAW_BUFFER         0x0002
 717 #define FX_FALLBACK_SPECULAR            0x0004
 718 #define FX_FALLBACK_STENCIL             0x0008
 719 #define FX_FALLBACK_RENDER_MODE         0x0010
 720 #define FX_FALLBACK_LOGICOP             0x0020
 721 #define FX_FALLBACK_TEXTURE_ENV         0x0040
 722 #define FX_FALLBACK_TEXTURE_BORDER      0x0080
 723 #define FX_FALLBACK_COLORMASK           0x0100
 724 #define FX_FALLBACK_BLEND               0x0200
 725 #define FX_FALLBACK_TEXTURE_MULTI       0x0400
 726
 727 extern GLuint fx_check_IsInHardware(GLcontext *ctx);
 728
 729 /* run-time debugging */
 730 #if FX_DEBUG
 731 extern int TDFX_DEBUG;
 732 #else
 733 #define TDFX_DEBUG              0
 734 #endif
 735
 736 /* dirty hacks */
 737 #define FX_RESCALE_BIG_TEXURES_HACK   1
 738 #define FX_COMPRESS_S3TC_AS_FXT1_HACK 1
 739
 740 #endif