src/mesa/drivers/glide/fxdrv.h

   1 /* $Id: fxdrv.h,v 1.56 2003/01/08 21:32:33 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 "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 RCOORD   GR_VERTEX_R_OFFSET
  71 #define GCOORD   GR_VERTEX_G_OFFSET
  72 #define BCOORD   GR_VERTEX_B_OFFSET
  73 #define ACOORD   GR_VERTEX_A_OFFSET
  74
  75 #define S0COORD  GR_VERTEX_SOW_TMU0_OFFSET
  76 #define T0COORD  GR_VERTEX_TOW_TMU0_OFFSET
  77 #define S1COORD  GR_VERTEX_SOW_TMU1_OFFSET
  78 #define T1COORD  GR_VERTEX_TOW_TMU1_OFFSET
  79
  80
  81 extern float gl_ubyte_to_float_255_color_tab[256];
  82 #define UBYTE_COLOR_TO_FLOAT_255_COLOR(c) gl_ubyte_to_float_255_color_tab[c]
  83 #define UBYTE_COLOR_TO_FLOAT_255_COLOR2(f,c) \
  84     (*(int *)&(f)) = ((int *)gl_ubyte_to_float_255_color_tab)[c]
  85
  86
  87
  88
  89
  90 #if defined(FXMESA_USE_ARGB)
  91 #define FXCOLOR4( c ) (      \
  92   ( ((unsigned int)(c[3]))<<24 ) | \
  93   ( ((unsigned int)(c[0]))<<16 ) | \
  94   ( ((unsigned int)(c[1]))<<8 )  | \
  95   (  (unsigned int)(c[2])) )
  96
  97 #else
  98 #ifdef __i386__
  99 #define FXCOLOR4( c )  (* (int *)c)
 100 #else
 101 #define FXCOLOR4( c ) (      \
 102   ( ((unsigned int)(c[3]))<<24 ) | \
 103   ( ((unsigned int)(c[2]))<<16 ) | \
 104   ( ((unsigned int)(c[1]))<<8 )  | \
 105   (  (unsigned int)(c[0])) )
 106 #endif
 107 #endif
 108
 109
 110
 111 /* fastpath flags first
 112  */
 113 #define SETUP_TMU0 0x1
 114 #define SETUP_TMU1 0x2
 115 #define SETUP_RGBA 0x4
 116 #define SETUP_SNAP 0x8
 117 #define SETUP_XYZW 0x10
 118 #define SETUP_PTEX 0x20
 119 #define MAX_SETUP  0x40
 120
 121
 122 #define FX_NUM_TMU 2
 123
 124 #define FX_TMU0      GR_TMU0
 125 #define FX_TMU1      GR_TMU1
 126 #define FX_TMU_SPLIT 98
 127 #define FX_TMU_BOTH  99
 128 #define FX_TMU_NONE  100
 129
 130 /* Used for fxMesa->lastUnitsMode */
 131
 132 #define FX_UM_NONE                  0x00000000
 133
 134 #define FX_UM_E0_REPLACE            0x00000001
 135 #define FX_UM_E0_MODULATE           0x00000002
 136 #define FX_UM_E0_DECAL              0x00000004
 137 #define FX_UM_E0_BLEND              0x00000008
 138 #define FX_UM_E0_ADD                0x00000010
 139
 140 #define FX_UM_E1_REPLACE            0x00000020
 141 #define FX_UM_E1_MODULATE           0x00000040
 142 #define FX_UM_E1_DECAL              0x00000080
 143 #define FX_UM_E1_BLEND              0x00000100
 144 #define FX_UM_E1_ADD                0x00000200
 145
 146 #define FX_UM_E_ENVMODE             0x000003ff
 147
 148 #define FX_UM_E0_ALPHA              0x00001000
 149 #define FX_UM_E0_LUMINANCE          0x00002000
 150 #define FX_UM_E0_LUMINANCE_ALPHA    0x00004000
 151 #define FX_UM_E0_INTENSITY          0x00008000
 152 #define FX_UM_E0_RGB                0x00010000
 153 #define FX_UM_E0_RGBA               0x00020000
 154
 155 #define FX_UM_E1_ALPHA              0x00040000
 156 #define FX_UM_E1_LUMINANCE          0x00080000
 157 #define FX_UM_E1_LUMINANCE_ALPHA    0x00100000
 158 #define FX_UM_E1_INTENSITY          0x00200000
 159 #define FX_UM_E1_RGB                0x00400000
 160 #define FX_UM_E1_RGBA               0x00800000
 161
 162 #define FX_UM_E_IFMT                0x00fff000
 163
 164 #define FX_UM_COLOR_ITERATED        0x01000000
 165 #define FX_UM_COLOR_CONSTANT        0x02000000
 166 #define FX_UM_ALPHA_ITERATED        0x04000000
 167 #define FX_UM_ALPHA_CONSTANT        0x08000000
 168
 169
 170 /*
 171   Memory range from startAddr to endAddr-1
 172 */
 173 typedef struct MemRange_t
 174 {
 175    struct MemRange_t *next;
 176    FxU32 startAddr, endAddr;
 177 }
 178 MemRange;
 179
 180 typedef struct
 181 {
 182    GLsizei width, height;       /* image size */
 183    GLint wScale, hScale;        /* image scale factor */
 184    GrTextureFormat_t glideFormat;       /* Glide image format */
 185 }
 186 tfxMipMapLevel;
 187
 188 /*
 189  * TDFX-specific texture object data.  This hangs off of the
 190  * struct gl_texture_object DriverData pointer.
 191  */
 192 typedef struct tfxTexInfo_t
 193 {
 194    struct tfxTexInfo_t *next;
 195    struct gl_texture_object *tObj;
 196
 197    GLuint lastTimeUsed;
 198    FxU32 whichTMU;
 199    GLboolean isInTM;
 200
 201    MemRange *tm[FX_NUM_TMU];
 202
 203    GLint minLevel, maxLevel;
 204    GLint baseLevelInternalFormat;
 205
 206    GrTexInfo info;
 207
 208    GrTextureFilterMode_t minFilt;
 209    GrTextureFilterMode_t maxFilt;
 210    FxBool LODblend;
 211
 212    GrTextureClampMode_t sClamp;
 213    GrTextureClampMode_t tClamp;
 214
 215    GrMipMapMode_t mmMode;
 216
 217    GLfloat sScale, tScale;
 218    GLint int_sScale, int_tScale;        /* x86 floating point trick for
 219                                          * multiplication by powers of 2.
 220                                          * Used in fxfasttmp.h
 221                                          */
 222
 223    GuTexPalette palette;
 224
 225    GLboolean fixedPalette;
 226    GLboolean validated;
 227 }
 228 tfxTexInfo;
 229
 230 typedef struct
 231 {
 232    GLuint swapBuffer;
 233    GLuint reqTexUpload;
 234    GLuint texUpload;
 235    GLuint memTexUpload;
 236 }
 237 tfxStats;
 238
 239
 240
 241 typedef struct
 242 {
 243    /* Alpha test */
 244
 245    GLboolean alphaTestEnabled;
 246    GrCmpFnc_t alphaTestFunc;
 247    GLfloat alphaTestRefValue;
 248
 249    /* Blend function */
 250
 251    GLboolean blendEnabled;
 252    GrAlphaBlendFnc_t blendSrcFuncRGB;
 253    GrAlphaBlendFnc_t blendDstFuncRGB;
 254    GrAlphaBlendFnc_t blendSrcFuncAlpha;
 255    GrAlphaBlendFnc_t blendDstFuncAlpha;
 256
 257    /* Depth test */
 258
 259    GLboolean depthTestEnabled;
 260    GLboolean depthMask;
 261    GrCmpFnc_t depthTestFunc;
 262 }
 263 tfxUnitsState;
 264
 265
 266
 267
 268 /* Flags for fxMesa->new_state
 269  */
 270 #define FX_NEW_TEXTURING      0x1
 271 #define FX_NEW_BLEND          0x2
 272 #define FX_NEW_ALPHA          0x4
 273 #define FX_NEW_DEPTH          0x8
 274 #define FX_NEW_FOG            0x10
 275 #define FX_NEW_SCISSOR        0x20
 276 #define FX_NEW_COLOR_MASK     0x40
 277 #define FX_NEW_CULL           0x80
 278
 279
 280 #define FX_CONTEXT(ctx) ((fxMesaContext)((ctx)->DriverCtx))
 281
 282 #define FX_TEXTURE_DATA(texUnit) fxTMGetTexInfo((texUnit)->_Current)
 283
 284 #define fxTMGetTexInfo(o) ((tfxTexInfo*)((o)->DriverData))
 285
 286 #define FX_MIPMAP_DATA(img)  ((tfxMipMapLevel *) (img)->DriverData)
 287
 288 #define BEGIN_BOARD_LOCK()
 289 #define END_BOARD_LOCK()
 290 #define BEGIN_CLIP_LOOP()
 291 #define END_CLIP_LOOP()
 292
 293
 294
 295
 296 /* Covers the state referenced by IsInHardware:
 297  */
 298 #define _FX_NEW_IS_IN_HARDWARE (_NEW_TEXTURE|           \
 299                                 _NEW_HINT|              \
 300                                 _NEW_STENCIL|           \
 301                                 _NEW_BUFFERS|           \
 302                                 _NEW_COLOR|             \
 303                                 _NEW_LIGHT)
 304
 305 /* Covers the state referenced by fxDDChooseRenderState
 306  */
 307 #define _FX_NEW_RENDERSTATE (_FX_NEW_IS_IN_HARDWARE |   \
 308                              _DD_NEW_FLATSHADE |        \
 309                              _DD_NEW_TRI_LIGHT_TWOSIDE| \
 310                              _DD_NEW_TRI_OFFSET |       \
 311                              _DD_NEW_TRI_UNFILLED |     \
 312                              _DD_NEW_TRI_SMOOTH |       \
 313                              _DD_NEW_TRI_STIPPLE |      \
 314                              _DD_NEW_LINE_SMOOTH |      \
 315                              _DD_NEW_LINE_STIPPLE |     \
 316                              _DD_NEW_LINE_WIDTH |       \
 317                              _DD_NEW_POINT_SMOOTH |     \
 318                              _DD_NEW_POINT_SIZE |       \
 319                              _NEW_LINE)
 320
 321
 322 /* Covers the state referenced by fxDDChooseSetupFunction.
 323  */
 324 #define _FX_NEW_SETUP_FUNCTION (_NEW_LIGHT|     \
 325                                 _NEW_FOG|       \
 326                                 _NEW_TEXTURE|   \
 327                                 _NEW_COLOR)     \
 328
 329
 330 /* These lookup table are used to extract RGB values in [0,255] from
 331  * 16-bit pixel values.
 332  */
 333 extern GLubyte FX_PixelToR[0x10000];
 334 extern GLubyte FX_PixelToG[0x10000];
 335 extern GLubyte FX_PixelToB[0x10000];
 336
 337
 338 typedef void (*fx_tri_func) (fxMesaContext, GrVertex *, GrVertex *, GrVertex *);
 339 typedef void (*fx_line_func) (fxMesaContext, GrVertex *, GrVertex *);
 340 typedef void (*fx_point_func) (fxMesaContext, GrVertex *);
 341
 342 struct tfxMesaContext
 343 {
 344    GuTexPalette glbPalette;
 345
 346    GLcontext *glCtx;            /* the core Mesa context */
 347    GLvisual *glVis;             /* describes the color buffer */
 348    GLframebuffer *glBuffer;     /* the ancillary buffers */
 349
 350    GLint board;                 /* the board used for this context */
 351    GLint width, height;         /* size of color buffer */
 352
 353    GrBuffer_t currentFB;
 354
 355    GLboolean bgrOrder;
 356    GrColor_t color;
 357    GrColor_t clearC;
 358    GrAlpha_t clearA;
 359    GLuint constColor;
 360    GrCullMode_t cullMode;
 361
 362    tfxUnitsState unitsState;
 363    tfxUnitsState restoreUnitsState;     /* saved during multipass */
 364
 365
 366    GLuint new_state;
 367
 368    /* Texture Memory Manager Data
 369     */
 370    GLuint texBindNumber;
 371    GLint tmuSrc;
 372    GLuint lastUnitsMode;
 373    GLuint freeTexMem[FX_NUM_TMU];
 374    MemRange *tmPool;
 375    MemRange *tmFree[FX_NUM_TMU];
 376
 377    GLenum fogTableMode;
 378    GLfloat fogDensity;
 379    GLfloat fogStart, fogEnd;
 380    GrFog_t *fogTable;
 381    GLint textureAlign;
 382
 383    /* Vertex building and storage:
 384     */
 385    GLuint tmu_source[FX_NUM_TMU];
 386    GLuint SetupIndex;
 387    GLuint stw_hint_state;       /* for grHints */
 388    GrVertex *verts;
 389    GLboolean snapVertices;      /* needed for older Voodoo hardware */
 390    struct gl_client_array UbyteColor;
 391
 392    /* Rasterization:
 393     */
 394    GLuint render_index;
 395    GLuint is_in_hardware;
 396    GLenum render_primitive;
 397    GLenum raster_primitive;
 398
 399    /* Current rasterization functions
 400     */
 401    fx_point_func draw_point;
 402    fx_line_func draw_line;
 403    fx_tri_func draw_tri;
 404
 405
 406    /* Keep texture scales somewhere handy:
 407     */
 408    GLfloat s0scale;
 409    GLfloat s1scale;
 410    GLfloat t0scale;
 411    GLfloat t1scale;
 412
 413    GLfloat inv_s0scale;
 414    GLfloat inv_s1scale;
 415    GLfloat inv_t0scale;
 416    GLfloat inv_t1scale;
 417
 418    /* Glide stuff
 419     */
 420    tfxStats stats;
 421    void *state;
 422
 423    /* Options */
 424
 425    GLboolean verbose;
 426    GLboolean haveTwoTMUs;       /* True if we really have 2 tmu's  */
 427    GLboolean haveAlphaBuffer;
 428    GLboolean haveZBuffer;
 429    GLboolean haveDoubleBuffer;
 430    GLboolean haveGlobalPaletteTexture;
 431    GLint swapInterval;
 432    GLint maxPendingSwapBuffers;
 433
 434    FX_GrContext_t glideContext;
 435
 436    int screen_width;
 437    int screen_height;
 438    int initDone;
 439    int clipMinX;
 440    int clipMaxX;
 441    int clipMinY;
 442    int clipMaxY;
 443 };
 444
 445
 446 extern GrHwConfiguration glbHWConfig;
 447 extern int glbCurrentBoard;
 448
 449 extern void fxSetupFXUnits(GLcontext *);
 450 extern void fxSetupDDPointers(GLcontext *);
 451
 452 /* fxvb.c:
 453  */
 454 extern void fxAllocVB(GLcontext * ctx);
 455 extern void fxFreeVB(GLcontext * ctx);
 456 extern void fxPrintSetupFlags(char *msg, GLuint flags );
 457 extern void fxCheckTexSizes( GLcontext *ctx );
 458 extern void fxBuildVertices( GLcontext *ctx, GLuint start, GLuint count,
 459                              GLuint newinputs );
 460 extern void fxChooseVertexState( GLcontext *ctx );
 461
 462
 463
 464
 465
 466
 467 /* fxtrifuncs:
 468  */
 469 extern void fxDDInitTriFuncs(GLcontext *);
 470 extern void fxDDChooseRenderState(GLcontext * ctx);
 471
 472
 473 extern void fxUpdateDDSpanPointers(GLcontext *);
 474 extern void fxSetupDDSpanPointers(GLcontext *);
 475
 476 extern void fxPrintTextureData(tfxTexInfo * ti);
 477
 478 extern const struct gl_texture_format *
 479 fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
 480                          GLenum srcFormat, GLenum srcType );
 481 extern void fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
 482                            GLint internalFormat, GLint width, GLint height,
 483                            GLint border, GLenum format, GLenum type,
 484                            const GLvoid * pixels,
 485                            const struct gl_pixelstore_attrib *packing,
 486                            struct gl_texture_object *texObj,
 487                            struct gl_texture_image *texImage);
 488
 489 extern void fxDDTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
 490                               GLint xoffset, GLint yoffset,
 491                               GLsizei width, GLsizei height,
 492                               GLenum format, GLenum type,
 493                               const GLvoid * pixels,
 494                               const struct gl_pixelstore_attrib *packing,
 495                               struct gl_texture_object *texObj,
 496                               struct gl_texture_image *texImage);
 497 extern void fxDDTexEnv(GLcontext *, GLenum, GLenum, const GLfloat *);
 498 extern void fxDDTexParam(GLcontext *, GLenum, struct gl_texture_object *,
 499                          GLenum, const GLfloat *);
 500 extern void fxDDTexBind(GLcontext *, GLenum, struct gl_texture_object *);
 501 extern void fxDDTexDel(GLcontext *, struct gl_texture_object *);
 502 extern void fxDDTexPalette(GLcontext *, struct gl_texture_object *);
 503 extern void fxDDTexUseGlbPalette(GLcontext *, GLboolean);
 504
 505 extern void fxDDEnable(GLcontext *, GLenum, GLboolean);
 506 extern void fxDDAlphaFunc(GLcontext *, GLenum, GLfloat);
 507 extern void fxDDBlendFunc(GLcontext *, GLenum, GLenum);
 508 extern void fxDDDepthMask(GLcontext *, GLboolean);
 509 extern void fxDDDepthFunc(GLcontext *, GLenum);
 510
 511 extern void fxDDInitExtensions(GLcontext * ctx);
 512
 513 extern void fxTMInit(fxMesaContext ctx);
 514 extern void fxTMClose(fxMesaContext ctx);
 515 extern void fxTMRestoreTextures_NoLock(fxMesaContext ctx);
 516 extern void fxTMMoveInTM(fxMesaContext, struct gl_texture_object *, GLint);
 517 extern void fxTMMoveOutTM(fxMesaContext, struct gl_texture_object *);
 518 #define fxTMMoveOutTM_NoLock fxTMMoveOutTM
 519 extern void fxTMFreeTexture(fxMesaContext, struct gl_texture_object *);
 520 extern void fxTMReloadMipMapLevel(fxMesaContext, struct gl_texture_object *,
 521                                   GLint);
 522 extern void fxTMReloadSubMipMapLevel(fxMesaContext,
 523                                      struct gl_texture_object *, GLint, GLint,
 524                                      GLint);
 525
 526 extern void fxTexGetFormat(GLenum, GrTextureFormat_t *, GLint *);
 527 extern int fxTexGetInfo(int, int, GrLOD_t *, GrAspectRatio_t *,
 528                         float *, float *, int *, int *, int *, int *);
 529
 530 extern void fxDDScissor(GLcontext * ctx,
 531                         GLint x, GLint y, GLsizei w, GLsizei h);
 532 extern void fxDDFogfv(GLcontext * ctx, GLenum pname, const GLfloat * params);
 533 extern void fxDDColorMask(GLcontext * ctx,
 534                           GLboolean r, GLboolean g, GLboolean b, GLboolean a);
 535
 536 extern void fxDDWriteDepthSpan(GLcontext * ctx, GLuint n, GLint x, GLint y,
 537                                const GLdepth depth[], const GLubyte mask[]);
 538
 539 extern void fxDDReadDepthSpan(GLcontext * ctx, GLuint n, GLint x, GLint y,
 540                               GLdepth depth[]);
 541
 542 extern void fxDDWriteDepthPixels(GLcontext * ctx, GLuint n,
 543                                  const GLint x[], const GLint y[],
 544                                  const GLdepth depth[], const GLubyte mask[]);
 545
 546 extern void fxDDReadDepthPixels(GLcontext * ctx, GLuint n,
 547                                 const GLint x[], const GLint y[],
 548                                 GLdepth depth[]);
 549
 550 extern void fxDDShadeModel(GLcontext * ctx, GLenum mode);
 551
 552 extern void fxDDCullFace(GLcontext * ctx, GLenum mode);
 553 extern void fxDDFrontFace(GLcontext * ctx, GLenum mode);
 554
 555 extern void fxPrintRenderState(const char *msg, GLuint state);
 556 extern void fxPrintHintState(const char *msg, GLuint state);
 557
 558 extern int fxDDInitFxMesaContext(fxMesaContext fxMesa);
 559 extern void fxDDDestroyFxMesaContext(fxMesaContext fxMesa);
 560
 561
 562
 563
 564 extern void fxSetScissorValues(GLcontext * ctx);
 565 extern void fxTMMoveInTM_NoLock(fxMesaContext fxMesa,
 566                                 struct gl_texture_object *tObj, GLint where);
 567 extern void fxInitPixelTables(fxMesaContext fxMesa, GLboolean bgrOrder);
 568
 569 extern void fxCheckIsInHardware(GLcontext *ctx);
 570
 571 extern GLboolean fx_check_IsInHardware(GLcontext *ctx);
 572
 573 #endif