#ifndef __CVGREGS_H__ #define __CVGREGS_H__ /* ** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY ** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT ** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX ** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE ** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). ** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER ** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A ** FULL TEXT OF THE NON-WARRANTY PROVISIONS. ** ** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO ** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN ** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013, ** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR ** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF ** THE UNITED STATES. ** ** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED ** ** $Revision: 1.1 $ ** $Date: 2000-02-25 00:37:49 $ */ //----------------- SST chip 3D layout ------------------------- // registers are in groups of 8 for easy decode typedef struct vertex_Rec { unsigned long x; // 12.4 format unsigned long y; // 12.4 } vtxRec; typedef volatile struct sstregs { // THE 3D CHIP // EXTERNAL registers FxU32 status; // chip status, Read Only FxU32 intrCtrl; // interrupt control vtxRec vA; // Vertex A,B,C vtxRec vB; vtxRec vC; long r; // 12.12 Parameters long g; // 12.12 long b; // 12.12 long z; // 20.12 long a; // 12.12 long s; // 14.18 long t; // 14.18 long w; // 2.30 long drdx; // X Gradients long dgdx; long dbdx; long dzdx; long dadx; long dsdx; long dtdx; long dwdx; long drdy; // Y Gradients long dgdy; long dbdy; long dzdy; long dady; long dsdy; long dtdy; long dwdy; unsigned long triangleCMD; // execute a triangle command (float) unsigned long reservedA; vtxRec FvA; // floating point version vtxRec FvB; vtxRec FvC; long Fr; // floating point version long Fg; long Fb; long Fz; long Fa; long Fs; long Ft; long Fw; long Fdrdx; long Fdgdx; long Fdbdx; long Fdzdx; long Fdadx; long Fdsdx; long Fdtdx; long Fdwdx; long Fdrdy; long Fdgdy; long Fdbdy; long Fdzdy; long Fdady; long Fdsdy; long Fdtdy; long Fdwdy; unsigned long FtriangleCMD; // execute a triangle command unsigned long fbzColorPath; // color select and combine unsigned long fogMode; // fog Mode unsigned long alphaMode; // alpha Mode unsigned long fbzMode; // framebuffer and Z mode unsigned long lfbMode; // linear framebuffer Mode unsigned long clipLeftRight; // (6)10(6)10 unsigned long clipBottomTop; // (6)10(6)10 unsigned long nopCMD; // execute a nop command unsigned long fastfillCMD; // execute a fast fill command unsigned long swapbufferCMD;// execute a swapbuffer command unsigned long fogColor; // (8)888 unsigned long zaColor; // 8(8)16 unsigned long chromaKey; // (8)888 unsigned long chromaRange; unsigned long reservedB; unsigned long stipple; // 32 bits, MSB masks pixels unsigned long c0; // 8.8.8.8 (ARGB) unsigned long c1; // 8.8.8.8 (ARGB) struct { // statistic gathering variables unsigned int fbiPixelsIn; unsigned int fbiChromaFail; unsigned int fbiZfuncFail; unsigned int fbiAfuncFail; unsigned int fbiPixelsOut; } stats; unsigned long fogTable[32]; // 64 entries, 2 per word, 2 bytes each FxU32 cmdFifoBase; // beginning of CMDFIFO area FxU32 cmdFifoBump; // number of words to bump (write only) FxU32 cmdFifoReadPtr; // the read (execute) pointer FxU32 cmdFifoAmin; // points to first hole FxU32 cmdFifoAmax; // highest address written (not visible) FxU32 cmdFifoDepth; // number of valid sequential words FxU32 cmdFifoHoles; // number of current holes unsigned long reservedC; unsigned long fbiInit4; unsigned long vRetrace; unsigned long backPorch; unsigned long videoDimensions; unsigned long fbiInit0; unsigned long fbiInit1; unsigned long fbiInit2; unsigned long fbiInit3; unsigned long hSync; unsigned long vSync; unsigned long clutData; unsigned long dacData; unsigned long videoFilterRgbThreshold; FxU32 hBorder; FxU32 vBorder; FxU32 borderColor; FxU32 hvRetrace; FxU32 fbiInit5; FxU32 fbiInit6; FxU32 fbiInit7; unsigned long reservedD[2]; FxU32 fbiSwapHistory; FxU32 fbiTrianglesOut; // triangles out counter FxU32 sSetupMode; FxU32 sVx; FxU32 sVy; FxU32 sARGB; FxU32 sRed; FxU32 sGreen; FxU32 sBlue; FxU32 sAlpha; FxU32 sVz; FxU32 sOowfbi; FxU32 sOow0; FxU32 sSow0; FxU32 sTow0; FxU32 sOow1; FxU32 sSow1; FxU32 sTow1; FxU32 sDrawTriCMD; FxU32 sBeginTriCMD; unsigned long reservedE[6]; FxU32 bltSrcBaseAddr; FxU32 bltDstBaseAddr; FxU32 bltXYstrides; FxU32 bltSrcChromaRange; FxU32 bltDstChromaRange; FxU32 bltClipX; FxU32 bltClipY; FxU32 reservedF; FxU32 bltSrcXY; FxU32 bltDstXY; FxU32 bltSize; FxU32 bltRop; FxU32 bltColor; FxU32 reservedG; FxU32 bltCommand; FxU32 bltData; unsigned long textureMode; // texture Mode unsigned long tLOD; // texture LOD settings unsigned long tDetail; // texture detail settings unsigned long texBaseAddr; // current texture base address unsigned long texBaseAddr1; unsigned long texBaseAddr2; unsigned long texBaseAddr38; unsigned long trexInit0; // hardware init bits unsigned long trexInit1; // hardware init bits unsigned long nccTable0[12]; // NCC decode tables, bits are packed unsigned long nccTable1[12]; // 4 words Y, 4 words I, 4 words Q FxU32 tchromaKey; // texture chromakey FxU32 tchromaRange; // texture chromarange FxU32 reservedH[5]; FxU32 reservedI[8]; FxU32 reservedJ[8]; FxU32 reservedK[8]; } SstRegs; #endif /* !__CVGREGS_H__ */