230 lines
6.9 KiB
C
230 lines
6.9 KiB
C
#ifndef __CVGREGS_H__
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#define __CVGREGS_H__
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/*
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** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
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** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
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** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
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** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE
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** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com).
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** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
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** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
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** FULL TEXT OF THE NON-WARRANTY PROVISIONS.
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**
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** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
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** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
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** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
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** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
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** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
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** THE UNITED STATES.
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**
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** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
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**
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** $Revision: 1.1.1.1 $
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** $Date: 1999/12/07 21:49:24 $
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*/
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//----------------- SST chip 3D layout -------------------------
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// registers are in groups of 8 for easy decode
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typedef struct vertex_Rec {
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unsigned long x; // 12.4 format
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unsigned long y; // 12.4
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} vtxRec;
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typedef volatile struct sstregs { // THE 3D CHIP
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// EXTERNAL registers
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FxU32 status; // chip status, Read Only
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FxU32 intrCtrl; // interrupt control
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vtxRec vA; // Vertex A,B,C
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vtxRec vB;
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vtxRec vC;
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long r; // 12.12 Parameters
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long g; // 12.12
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long b; // 12.12
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long z; // 20.12
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long a; // 12.12
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long s; // 14.18
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long t; // 14.18
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long w; // 2.30
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long drdx; // X Gradients
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long dgdx;
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long dbdx;
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long dzdx;
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long dadx;
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long dsdx;
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long dtdx;
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long dwdx;
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long drdy; // Y Gradients
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long dgdy;
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long dbdy;
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long dzdy;
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long dady;
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long dsdy;
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long dtdy;
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long dwdy;
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unsigned long triangleCMD; // execute a triangle command (float)
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unsigned long reservedA;
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vtxRec FvA; // floating point version
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vtxRec FvB;
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vtxRec FvC;
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long Fr; // floating point version
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long Fg;
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long Fb;
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long Fz;
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long Fa;
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long Fs;
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long Ft;
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long Fw;
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long Fdrdx;
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long Fdgdx;
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long Fdbdx;
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long Fdzdx;
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long Fdadx;
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long Fdsdx;
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long Fdtdx;
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long Fdwdx;
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long Fdrdy;
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long Fdgdy;
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long Fdbdy;
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long Fdzdy;
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long Fdady;
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long Fdsdy;
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long Fdtdy;
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long Fdwdy;
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unsigned long FtriangleCMD; // execute a triangle command
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unsigned long fbzColorPath; // color select and combine
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unsigned long fogMode; // fog Mode
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unsigned long alphaMode; // alpha Mode
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unsigned long fbzMode; // framebuffer and Z mode
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unsigned long lfbMode; // linear framebuffer Mode
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unsigned long clipLeftRight; // (6)10(6)10
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unsigned long clipBottomTop; // (6)10(6)10
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unsigned long nopCMD; // execute a nop command
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unsigned long fastfillCMD; // execute a fast fill command
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unsigned long swapbufferCMD;// execute a swapbuffer command
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unsigned long fogColor; // (8)888
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unsigned long zaColor; // 8(8)16
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unsigned long chromaKey; // (8)888
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unsigned long chromaRange;
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unsigned long reservedB;
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unsigned long stipple; // 32 bits, MSB masks pixels
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unsigned long c0; // 8.8.8.8 (ARGB)
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unsigned long c1; // 8.8.8.8 (ARGB)
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struct { // statistic gathering variables
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unsigned int fbiPixelsIn;
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unsigned int fbiChromaFail;
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unsigned int fbiZfuncFail;
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unsigned int fbiAfuncFail;
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unsigned int fbiPixelsOut;
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} stats;
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unsigned long fogTable[32]; // 64 entries, 2 per word, 2 bytes each
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FxU32 cmdFifoBase; // beginning of CMDFIFO area
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FxU32 cmdFifoBump; // number of words to bump (write only)
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FxU32 cmdFifoReadPtr; // the read (execute) pointer
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FxU32 cmdFifoAmin; // points to first hole
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FxU32 cmdFifoAmax; // highest address written (not visible)
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FxU32 cmdFifoDepth; // number of valid sequential words
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FxU32 cmdFifoHoles; // number of current holes
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unsigned long reservedC;
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unsigned long fbiInit4;
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unsigned long vRetrace;
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unsigned long backPorch;
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unsigned long videoDimensions;
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unsigned long fbiInit0;
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unsigned long fbiInit1;
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unsigned long fbiInit2;
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unsigned long fbiInit3;
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unsigned long hSync;
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unsigned long vSync;
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unsigned long clutData;
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unsigned long dacData;
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unsigned long videoFilterRgbThreshold;
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FxU32 hBorder;
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FxU32 vBorder;
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FxU32 borderColor;
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FxU32 hvRetrace;
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FxU32 fbiInit5;
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FxU32 fbiInit6;
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FxU32 fbiInit7;
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unsigned long reservedD[2];
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FxU32 fbiSwapHistory;
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FxU32 fbiTrianglesOut; // triangles out counter
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FxU32 sSetupMode;
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FxU32 sVx;
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FxU32 sVy;
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FxU32 sARGB;
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FxU32 sRed;
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FxU32 sGreen;
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FxU32 sBlue;
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FxU32 sAlpha;
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FxU32 sVz;
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FxU32 sOowfbi;
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FxU32 sOow0;
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FxU32 sSow0;
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FxU32 sTow0;
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FxU32 sOow1;
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FxU32 sSow1;
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FxU32 sTow1;
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FxU32 sDrawTriCMD;
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FxU32 sBeginTriCMD;
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unsigned long reservedE[6];
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FxU32 bltSrcBaseAddr;
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FxU32 bltDstBaseAddr;
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FxU32 bltXYstrides;
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FxU32 bltSrcChromaRange;
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FxU32 bltDstChromaRange;
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FxU32 bltClipX;
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FxU32 bltClipY;
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FxU32 reservedF;
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FxU32 bltSrcXY;
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FxU32 bltDstXY;
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FxU32 bltSize;
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FxU32 bltRop;
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FxU32 bltColor;
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FxU32 reservedG;
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FxU32 bltCommand;
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FxU32 bltData;
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unsigned long textureMode; // texture Mode
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unsigned long tLOD; // texture LOD settings
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unsigned long tDetail; // texture detail settings
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unsigned long texBaseAddr; // current texture base address
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unsigned long texBaseAddr1;
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unsigned long texBaseAddr2;
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unsigned long texBaseAddr38;
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unsigned long trexInit0; // hardware init bits
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unsigned long trexInit1; // hardware init bits
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unsigned long nccTable0[12]; // NCC decode tables, bits are packed
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unsigned long nccTable1[12]; // 4 words Y, 4 words I, 4 words Q
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FxU32 tchromaKey; // texture chromakey
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FxU32 tchromaRange; // texture chromarange
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FxU32 reservedH[5];
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FxU32 reservedI[8];
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FxU32 reservedJ[8];
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FxU32 reservedK[8];
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} SstRegs;
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#endif /* !__CVGREGS_H__ */
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