src/mesa/drivers/glide/fxdrv.h

   1 /* $Id: fxdrv.h,v 1.53 2002/06/13 04:28:30 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  4.0
   6  *
   7  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 /* Authors:
  28  *    David Bucciarelli
  29  *    Brian Paul
  30  *    Daryll Strauss
  31  *    Keith Whitwell
  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 "mem.h"
  56 #include "mtypes.h"
  57
  58 #include "GL/fxmesa.h"
  59 #include "fxglidew.h"
  60
  61 #include "math/m_vector.h"
  62
  63
  64 /* Define some shorter names for these things.
  65  */
  66 #define XCOORD   GR_VERTEX_X_OFFSET
  67 #define YCOORD   GR_VERTEX_Y_OFFSET
  68 #define ZCOORD   GR_VERTEX_OOZ_OFFSET
  69 #define OOWCOORD GR_VERTEX_OOW_OFFSET
  70
  71 #define RCOORD   GR_VERTEX_R_OFFSET
  72 #define GCOORD   GR_VERTEX_G_OFFSET
  73 #define BCOORD   GR_VERTEX_B_OFFSET
  74 #define ACOORD   GR_VERTEX_A_OFFSET
  75
  76 #define S0COORD  GR_VERTEX_SOW_TMU0_OFFSET
  77 #define T0COORD  GR_VERTEX_TOW_TMU0_OFFSET
  78 #define S1COORD  GR_VERTEX_SOW_TMU1_OFFSET
  79 #define T1COORD  GR_VERTEX_TOW_TMU1_OFFSET
  80
  81
  82 extern float gl_ubyte_to_float_255_color_tab[256];
  83 #define UBYTE_COLOR_TO_FLOAT_255_COLOR(c) gl_ubyte_to_float_255_color_tab[c]
  84 #define UBYTE_COLOR_TO_FLOAT_255_COLOR2(f,c) \
  85     (*(int *)&(f)) = ((int *)gl_ubyte_to_float_255_color_tab)[c]
  86
  87
  88
  89
  90
  91 #if defined(FXMESA_USE_ARGB)
  92 #define FXCOLOR4( c ) (      \
  93   ( ((unsigned int)(c[3]))<<24 ) | \
  94   ( ((unsigned int)(c[0]))<<16 ) | \
  95   ( ((unsigned int)(c[1]))<<8 )  | \
  96   (  (unsigned int)(c[2])) )
  97
  98 #else
  99 #ifdef __i386__
 100 #define FXCOLOR4( c )  (* (int *)c)
 101 #else
 102 #define FXCOLOR4( c ) (      \
 103   ( ((unsigned int)(c[3]))<<24 ) | \
 104   ( ((unsigned int)(c[2]))<<16 ) | \
 105   ( ((unsigned int)(c[1]))<<8 )  | \
 106   (  (unsigned int)(c[0])) )
 107 #endif
 108 #endif
 109
 110
 111
 112 /* fastpath flags first
 113  */
 114 #define SETUP_TMU0 0x1
 115 #define SETUP_TMU1 0x2
 116 #define SETUP_RGBA 0x4
 117 #define SETUP_SNAP 0x8
 118 #define SETUP_XYZW 0x10
 119 #define SETUP_PTEX 0x20
 120 #define MAX_SETUP  0x40
 121
 122
 123 #define FX_NUM_TMU 2
 124
 125 #define FX_TMU0      GR_TMU0
 126 #define FX_TMU1      GR_TMU1
 127 #define FX_TMU_SPLIT 98
 128 #define FX_TMU_BOTH  99
 129 #define FX_TMU_NONE  100
 130
 131 /* Used for fxMesa->lastUnitsMode */
 132
 133 #define FX_UM_NONE                  0x00000000
 134
 135 #define FX_UM_E0_REPLACE            0x00000001
 136 #define FX_UM_E0_MODULATE           0x00000002
 137 #define FX_UM_E0_DECAL              0x00000004
 138 #define FX_UM_E0_BLEND              0x00000008
 139 #define FX_UM_E0_ADD                0x00000010
 140
 141 #define FX_UM_E1_REPLACE            0x00000020
 142 #define FX_UM_E1_MODULATE           0x00000040
 143 #define FX_UM_E1_DECAL              0x00000080
 144 #define FX_UM_E1_BLEND              0x00000100
 145 #define FX_UM_E1_ADD                0x00000200
 146
 147 #define FX_UM_E_ENVMODE             0x000003ff
 148
 149 #define FX_UM_E0_ALPHA              0x00001000
 150 #define FX_UM_E0_LUMINANCE          0x00002000
 151 #define FX_UM_E0_LUMINANCE_ALPHA    0x00004000
 152 #define FX_UM_E0_INTENSITY          0x00008000
 153 #define FX_UM_E0_RGB                0x00010000
 154 #define FX_UM_E0_RGBA               0x00020000
 155
 156 #define FX_UM_E1_ALPHA              0x00040000
 157 #define FX_UM_E1_LUMINANCE          0x00080000
 158 #define FX_UM_E1_LUMINANCE_ALPHA    0x00100000
 159 #define FX_UM_E1_INTENSITY          0x00200000
 160 #define FX_UM_E1_RGB                0x00400000
 161 #define FX_UM_E1_RGBA               0x00800000
 162
 163 #define FX_UM_E_IFMT                0x00fff000
 164
 165 #define FX_UM_COLOR_ITERATED        0x01000000
 166 #define FX_UM_COLOR_CONSTANT        0x02000000
 167 #define FX_UM_ALPHA_ITERATED        0x04000000
 168 #define FX_UM_ALPHA_CONSTANT        0x08000000
 169
 170
 171 /*
 172   Memory range from startAddr to endAddr-1
 173 */
 174 typedef struct MemRange_t
 175 {
 176    struct MemRange_t *next;
 177    FxU32 startAddr, endAddr;
 178 }
 179 MemRange;
 180
 181 typedef struct
 182 {
 183    GLsizei width, height;       /* image size */
 184    GLint wScale, hScale;        /* image scale factor */
 185    GrTextureFormat_t glideFormat;       /* Glide image format */
 186 }
 187 tfxMipMapLevel;
 188
 189 /*
 190  * TDFX-specific texture object data.  This hangs off of the
 191  * struct gl_texture_object DriverData pointer.
 192  */
 193 typedef struct tfxTexInfo_t
 194 {
 195    struct tfxTexInfo_t *next;
 196    struct gl_texture_object *tObj;
 197
 198    GLuint lastTimeUsed;
 199    FxU32 whichTMU;
 200    GLboolean isInTM;
 201
 202    MemRange *tm[FX_NUM_TMU];
 203
 204    GLint minLevel, maxLevel;
 205    GLint baseLevelInternalFormat;
 206
 207    GrTexInfo info;
 208
 209    GrTextureFilterMode_t minFilt;
 210    GrTextureFilterMode_t maxFilt;
 211    FxBool LODblend;
 212
 213    GrTextureClampMode_t sClamp;
 214    GrTextureClampMode_t tClamp;
 215
 216    GrMipMapMode_t mmMode;
 217
 218    GLfloat sScale, tScale;
 219    GLint int_sScale, int_tScale;        /* x86 floating point trick for
 220                                          * multiplication by powers of 2.
 221                                          * Used in fxfasttmp.h
 222                                          */
 223
 224    GuTexPalette palette;
 225
 226    GLboolean fixedPalette;
 227    GLboolean validated;
 228 }
 229 tfxTexInfo;
 230
 231 typedef struct
 232 {
 233    GLuint swapBuffer;
 234    GLuint reqTexUpload;
 235    GLuint texUpload;
 236    GLuint memTexUpload;
 237 }
 238 tfxStats;
 239
 240
 241
 242 typedef struct
 243 {
 244    /* Alpha test */
 245
 246    GLboolean alphaTestEnabled;
 247    GrCmpFnc_t alphaTestFunc;
 248    GrAlpha_t alphaTestRefValue;
 249
 250    /* Blend function */
 251
 252    GLboolean blendEnabled;
 253    GrAlphaBlendFnc_t blendSrcFuncRGB;
 254    GrAlphaBlendFnc_t blendDstFuncRGB;
 255    GrAlphaBlendFnc_t blendSrcFuncAlpha;
 256    GrAlphaBlendFnc_t blendDstFuncAlpha;
 257
 258    /* Depth test */
 259
 260    GLboolean depthTestEnabled;
 261    GLboolean depthMask;
 262    GrCmpFnc_t depthTestFunc;
 263 }
 264 tfxUnitsState;
 265
 266
 267
 268
 269 /* Flags for fxMesa->new_state
 270  */
 271 #define FX_NEW_TEXTURING      0x1
 272 #define FX_NEW_BLEND          0x2
 273 #define FX_NEW_ALPHA          0x4
 274 #define FX_NEW_DEPTH          0x8
 275 #define FX_NEW_FOG            0x10
 276 #define FX_NEW_SCISSOR        0x20
 277 #define FX_NEW_COLOR_MASK     0x40
 278 #define FX_NEW_CULL           0x80
 279
 280
 281 #define FX_CONTEXT(ctx) ((fxMesaContext)((ctx)->DriverCtx))
 282
 283 #define FX_TEXTURE_DATA(texUnit) fxTMGetTexInfo((texUnit)->_Current)
 284
 285 #define fxTMGetTexInfo(o) ((tfxTexInfo*)((o)->DriverData))
 286
 287 #define FX_MIPMAP_DATA(img)  ((tfxMipMapLevel *) (img)->DriverData)
 288
 289 #define BEGIN_BOARD_LOCK()
 290 #define END_BOARD_LOCK()
 291 #define BEGIN_CLIP_LOOP()
 292 #define END_CLIP_LOOP()
 293
 294
 295
 296
 297 /* Covers the state referenced by IsInHardware:
 298  */
 299 #define _FX_NEW_IS_IN_HARDWARE (_NEW_TEXTURE|           \
 300                                 _NEW_HINT|              \
 301                                 _NEW_STENCIL|           \
 302                                 _NEW_BUFFERS|           \
 303                                 _NEW_COLOR|             \
 304                                 _NEW_LIGHT)
 305
 306 /* Covers the state referenced by fxDDChooseRenderState
 307  */
 308 #define _FX_NEW_RENDERSTATE (_FX_NEW_IS_IN_HARDWARE |   \
 309                              _DD_NEW_FLATSHADE |        \
 310                              _DD_NEW_TRI_LIGHT_TWOSIDE| \
 311                              _DD_NEW_TRI_OFFSET |       \
 312                              _DD_NEW_TRI_UNFILLED |     \
 313                              _DD_NEW_TRI_SMOOTH |       \
 314                              _DD_NEW_TRI_STIPPLE |      \
 315                              _DD_NEW_LINE_SMOOTH |      \
 316                              _DD_NEW_LINE_STIPPLE |     \
 317                              _DD_NEW_LINE_WIDTH |       \
 318                              _DD_NEW_POINT_SMOOTH |     \
 319                              _DD_NEW_POINT_SIZE |       \
 320                              _NEW_LINE)
 321
 322
 323 /* Covers the state referenced by fxDDChooseSetupFunction.
 324  */
 325 #define _FX_NEW_SETUP_FUNCTION (_NEW_LIGHT|     \
 326                                 _NEW_FOG|       \
 327                                 _NEW_TEXTURE|   \
 328                                 _NEW_COLOR)     \
 329
 330
 331 /* These lookup table are used to extract RGB values in [0,255] from
 332  * 16-bit pixel values.
 333  */
 334 extern GLubyte FX_PixelToR[0x10000];
 335 extern GLubyte FX_PixelToG[0x10000];
 336 extern GLubyte FX_PixelToB[0x10000];
 337
 338
 339 typedef void (*fx_tri_func) (fxMesaContext, GrVertex *, GrVertex *, GrVertex *);
 340 typedef void (*fx_line_func) (fxMesaContext, GrVertex *, GrVertex *);
 341 typedef void (*fx_point_func) (fxMesaContext, GrVertex *);
 342
 343 struct tfxMesaContext
 344 {
 345    GuTexPalette glbPalette;
 346
 347    GLcontext *glCtx;            /* the core Mesa context */
 348    GLvisual *glVis;             /* describes the color buffer */
 349    GLframebuffer *glBuffer;     /* the ancillary buffers */
 350
 351    GLint board;                 /* the board used for this context */
 352    GLint width, height;         /* size of color buffer */
 353
 354    GrBuffer_t currentFB;
 355
 356    GLboolean bgrOrder;
 357    GrColor_t color;
 358    GrColor_t clearC;
 359    GrAlpha_t clearA;
 360    GLuint constColor;
 361    GrCullMode_t cullMode;
 362
 363    tfxUnitsState unitsState;
 364    tfxUnitsState restoreUnitsState;     /* saved during multipass */
 365
 366
 367    GLuint new_state;
 368
 369    /* Texture Memory Manager Data
 370     */
 371    GLuint texBindNumber;
 372    GLint tmuSrc;
 373    GLuint lastUnitsMode;
 374    GLuint freeTexMem[FX_NUM_TMU];
 375    MemRange *tmPool;
 376    MemRange *tmFree[FX_NUM_TMU];
 377
 378    GLenum fogTableMode;
 379    GLfloat fogDensity;
 380    GLfloat fogStart, fogEnd;
 381    GrFog_t *fogTable;
 382    GLint textureAlign;
 383
 384    /* Vertex building and storage:
 385     */
 386    GLuint tmu_source[FX_NUM_TMU];
 387    GLuint SetupIndex;
 388    GLuint stw_hint_state;       /* for grHints */
 389    GrVertex *verts;
 390    GLboolean snapVertices;      /* needed for older Voodoo hardware */
 391    struct gl_client_array UbyteColor;
 392
 393    /* Rasterization:
 394     */
 395    GLuint render_index;
 396    GLuint is_in_hardware;
 397    GLenum render_primitive;
 398    GLenum raster_primitive;
 399
 400    /* Current rasterization functions
 401     */
 402    fx_point_func draw_point;
 403    fx_line_func draw_line;
 404    fx_tri_func draw_tri;
 405
 406
 407    /* Keep texture scales somewhere handy:
 408     */
 409    GLfloat s0scale;
 410    GLfloat s1scale;
 411    GLfloat t0scale;
 412    GLfloat t1scale;
 413
 414    GLfloat inv_s0scale;
 415    GLfloat inv_s1scale;
 416    GLfloat inv_t0scale;
 417    GLfloat inv_t1scale;
 418
 419    /* Glide stuff
 420     */
 421    tfxStats stats;
 422    void *state;
 423
 424    /* Options */
 425
 426    GLboolean verbose;
 427    GLboolean haveTwoTMUs;       /* True if we really have 2 tmu's  */
 428    GLboolean haveAlphaBuffer;
 429    GLboolean haveZBuffer;
 430    GLboolean haveDoubleBuffer;
 431    GLboolean haveGlobalPaletteTexture;
 432    GLint swapInterval;
 433    GLint maxPendingSwapBuffers;
 434
 435    FX_GrContext_t glideContext;
 436
 437    int screen_width;
 438    int screen_height;
 439    int initDone;
 440    int clipMinX;
 441    int clipMaxX;
 442    int clipMinY;
 443    int clipMaxY;
 444 };
 445
 446
 447 extern GrHwConfiguration glbHWConfig;
 448 extern int glbCurrentBoard;
 449
 450 extern void fxSetupFXUnits(GLcontext *);
 451 extern void fxSetupDDPointers(GLcontext *);
 452
 453 /* fxvb.c:
 454  */
 455 extern void fxAllocVB(GLcontext * ctx);
 456 extern void fxFreeVB(GLcontext * ctx);
 457 extern void fxPrintSetupFlags(char *msg, GLuint flags );
 458 extern void fxCheckTexSizes( GLcontext *ctx );
 459 extern void fxBuildVertices( GLcontext *ctx, GLuint start, GLuint count,
 460                              GLuint newinputs );
 461 extern void fxChooseVertexState( GLcontext *ctx );
 462
 463
 464
 465
 466
 467
 468 /* fxtrifuncs:
 469  */
 470 extern void fxDDInitTriFuncs(GLcontext *);
 471 extern void fxDDChooseRenderState(GLcontext * ctx);
 472
 473
 474 extern void fxUpdateDDSpanPointers(GLcontext *);
 475 extern void fxSetupDDSpanPointers(GLcontext *);
 476
 477 extern void fxPrintTextureData(tfxTexInfo * ti);
 478
 479 extern const struct gl_texture_format *
 480 fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
 481                          GLenum srcFormat, GLenum srcType );
 482 extern void fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 483                            GLint internalFormat, GLint width, GLint height,
 484                            GLint border, GLenum format, GLenum type,
 485                            const GLvoid * pixels,
 486                            const struct gl_pixelstore_attrib *packing,
 487                            struct gl_texture_object *texObj,
 488                            struct gl_texture_image *texImage);
 489
 490 extern void fxDDTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 491                               GLint xoffset, GLint yoffset,
 492                               GLsizei width, GLsizei height,
 493                               GLenum format, GLenum type,
 494                               const GLvoid * pixels,
 495                               const struct gl_pixelstore_attrib *packing,
 496                               struct gl_texture_object *texObj,
 497                               struct gl_texture_image *texImage);
 498 extern void fxDDTexEnv(GLcontext *, GLenum, GLenum, const GLfloat *);
 499 extern void fxDDTexParam(GLcontext *, GLenum, struct gl_texture_object *,
 500                          GLenum, const GLfloat *);
 501 extern void fxDDTexBind(GLcontext *, GLenum, struct gl_texture_object *);
 502 extern void fxDDTexDel(GLcontext *, struct gl_texture_object *);
 503 extern void fxDDTexPalette(GLcontext *, struct gl_texture_object *);
 504 extern void fxDDTexUseGlbPalette(GLcontext *, GLboolean);
 505
 506 extern void fxDDEnable(GLcontext *, GLenum, GLboolean);
 507 extern void fxDDAlphaFunc(GLcontext *, GLenum, GLchan);
 508 extern void fxDDBlendFunc(GLcontext *, GLenum, GLenum);
 509 extern void fxDDDepthMask(GLcontext *, GLboolean);
 510 extern void fxDDDepthFunc(GLcontext *, GLenum);
 511
 512 extern void fxDDInitExtensions(GLcontext * ctx);
 513
 514 extern void fxTMInit(fxMesaContext ctx);
 515 extern void fxTMClose(fxMesaContext ctx);
 516 extern void fxTMRestoreTextures_NoLock(fxMesaContext ctx);
 517 extern void fxTMMoveInTM(fxMesaContext, struct gl_texture_object *, GLint);
 518 extern void fxTMMoveOutTM(fxMesaContext, struct gl_texture_object *);
 519 #define fxTMMoveOutTM_NoLock fxTMMoveOutTM
 520 extern void fxTMFreeTexture(fxMesaContext, struct gl_texture_object *);
 521 extern void fxTMReloadMipMapLevel(fxMesaContext, struct gl_texture_object *,
 522                                   GLint);
 523 extern void fxTMReloadSubMipMapLevel(fxMesaContext,
 524                                      struct gl_texture_object *, GLint, GLint,
 525                                      GLint);
 526
 527 extern void fxTexGetFormat(GLenum, GrTextureFormat_t *, GLint *);
 528 extern int fxTexGetInfo(int, int, GrLOD_t *, GrAspectRatio_t *,
 529                         float *, float *, int *, int *, int *, int *);
 530
 531 extern void fxDDScissor(GLcontext * ctx,
 532                         GLint x, GLint y, GLsizei w, GLsizei h);
 533 extern void fxDDFogfv(GLcontext * ctx, GLenum pname, const GLfloat * params);
 534 extern void fxDDColorMask(GLcontext * ctx,
 535                           GLboolean r, GLboolean g, GLboolean b, GLboolean a);
 536
 537 extern void fxDDWriteDepthSpan(GLcontext * ctx, GLuint n, GLint x, GLint y,
 538                                const GLdepth depth[], const GLubyte mask[]);
 539
 540 extern void fxDDReadDepthSpan(GLcontext * ctx, GLuint n, GLint x, GLint y,
 541                               GLdepth depth[]);
 542
 543 extern void fxDDWriteDepthPixels(GLcontext * ctx, GLuint n,
 544                                  const GLint x[], const GLint y[],
 545                                  const GLdepth depth[], const GLubyte mask[]);
 546
 547 extern void fxDDReadDepthPixels(GLcontext * ctx, GLuint n,
 548                                 const GLint x[], const GLint y[],
 549                                 GLdepth depth[]);
 550
 551 extern void fxDDShadeModel(GLcontext * ctx, GLenum mode);
 552
 553 extern void fxDDCullFace(GLcontext * ctx, GLenum mode);
 554 extern void fxDDFrontFace(GLcontext * ctx, GLenum mode);
 555
 556 extern void fxPrintRenderState(const char *msg, GLuint state);
 557 extern void fxPrintHintState(const char *msg, GLuint state);
 558
 559 extern int fxDDInitFxMesaContext(fxMesaContext fxMesa);
 560 extern void fxDDDestroyFxMesaContext(fxMesaContext fxMesa);
 561
 562
 563
 564
 565 extern void fxSetScissorValues(GLcontext * ctx);
 566 extern void fxTMMoveInTM_NoLock(fxMesaContext fxMesa,
 567                                 struct gl_texture_object *tObj, GLint where);
 568 extern void fxInitPixelTables(fxMesaContext fxMesa, GLboolean bgrOrder);
 569
 570 extern void fxCheckIsInHardware(GLcontext *ctx);
 571
 572 extern GLboolean fx_check_IsInHardware(GLcontext *ctx);
 573
 574 #endif