source: trunk/src/opengl/glide/cvg/incsrc/cvgregs.h

Last change on this file was 2888, checked in by sandervl, 26 years ago

Created Voodoo 2 dir
File size: 6.9 KB
Line 
1#ifndef __CVGREGS_H__
2#define __CVGREGS_H__
3
4/*
5** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
6** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
7** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
8** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE
9** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com).
10** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
11** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
12** FULL TEXT OF THE NON-WARRANTY PROVISIONS.
13**
14** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
15** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
16** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
17** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
18** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
19** THE UNITED STATES.
20**
21** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
22**
23** $Revision: 1.1 $
24** $Date: 2000-02-25 00:37:49 $
25*/
26
27
28//----------------- SST chip 3D layout -------------------------
29// registers are in groups of 8 for easy decode
30typedef struct vertex_Rec {
31 unsigned long x; // 12.4 format
32 unsigned long y; // 12.4
33} vtxRec;
34
35typedef volatile struct sstregs { // THE 3D CHIP
36 // EXTERNAL registers
37 FxU32 status; // chip status, Read Only
38 FxU32 intrCtrl; // interrupt control
39 vtxRec vA; // Vertex A,B,C
40 vtxRec vB;
41 vtxRec vC;
42
43 long r; // 12.12 Parameters
44 long g; // 12.12
45 long b; // 12.12
46 long z; // 20.12
47 long a; // 12.12
48 long s; // 14.18
49 long t; // 14.18
50 long w; // 2.30
51
52 long drdx; // X Gradients
53 long dgdx;
54 long dbdx;
55 long dzdx;
56 long dadx;
57 long dsdx;
58 long dtdx;
59 long dwdx;
60
61 long drdy; // Y Gradients
62 long dgdy;
63 long dbdy;
64 long dzdy;
65 long dady;
66 long dsdy;
67 long dtdy;
68 long dwdy;
69
70 unsigned long triangleCMD; // execute a triangle command (float)
71 unsigned long reservedA;
72 vtxRec FvA; // floating point version
73 vtxRec FvB;
74 vtxRec FvC;
75
76 long Fr; // floating point version
77 long Fg;
78 long Fb;
79 long Fz;
80 long Fa;
81 long Fs;
82 long Ft;
83 long Fw;
84
85 long Fdrdx;
86 long Fdgdx;
87 long Fdbdx;
88 long Fdzdx;
89 long Fdadx;
90 long Fdsdx;
91 long Fdtdx;
92 long Fdwdx;
93
94 long Fdrdy;
95 long Fdgdy;
96 long Fdbdy;
97 long Fdzdy;
98 long Fdady;
99 long Fdsdy;
100 long Fdtdy;
101 long Fdwdy;
102
103 unsigned long FtriangleCMD; // execute a triangle command
104 unsigned long fbzColorPath; // color select and combine
105 unsigned long fogMode; // fog Mode
106 unsigned long alphaMode; // alpha Mode
107 unsigned long fbzMode; // framebuffer and Z mode
108 unsigned long lfbMode; // linear framebuffer Mode
109 unsigned long clipLeftRight; // (6)10(6)10
110 unsigned long clipBottomTop; // (6)10(6)10
111
112 unsigned long nopCMD; // execute a nop command
113 unsigned long fastfillCMD; // execute a fast fill command
114 unsigned long swapbufferCMD;// execute a swapbuffer command
115 unsigned long fogColor; // (8)888
116 unsigned long zaColor; // 8(8)16
117 unsigned long chromaKey; // (8)888
118 unsigned long chromaRange;
119 unsigned long reservedB;
120
121 unsigned long stipple; // 32 bits, MSB masks pixels
122 unsigned long c0; // 8.8.8.8 (ARGB)
123 unsigned long c1; // 8.8.8.8 (ARGB)
124 struct { // statistic gathering variables
125 unsigned int fbiPixelsIn;
126 unsigned int fbiChromaFail;
127 unsigned int fbiZfuncFail;
128 unsigned int fbiAfuncFail;
129 unsigned int fbiPixelsOut;
130 } stats;
131
132 unsigned long fogTable[32]; // 64 entries, 2 per word, 2 bytes each
133
134 FxU32 cmdFifoBase; // beginning of CMDFIFO area
135 FxU32 cmdFifoBump; // number of words to bump (write only)
136 FxU32 cmdFifoReadPtr; // the read (execute) pointer
137 FxU32 cmdFifoAmin; // points to first hole
138 FxU32 cmdFifoAmax; // highest address written (not visible)
139 FxU32 cmdFifoDepth; // number of valid sequential words
140 FxU32 cmdFifoHoles; // number of current holes
141 unsigned long reservedC;
142
143 unsigned long fbiInit4;
144 unsigned long vRetrace;
145 unsigned long backPorch;
146 unsigned long videoDimensions;
147 unsigned long fbiInit0;
148 unsigned long fbiInit1;
149 unsigned long fbiInit2;
150 unsigned long fbiInit3;
151
152 unsigned long hSync;
153 unsigned long vSync;
154 unsigned long clutData;
155 unsigned long dacData;
156 unsigned long videoFilterRgbThreshold;
157 FxU32 hBorder;
158 FxU32 vBorder;
159 FxU32 borderColor;
160
161 FxU32 hvRetrace;
162 FxU32 fbiInit5;
163 FxU32 fbiInit6;
164 FxU32 fbiInit7;
165 unsigned long reservedD[2];
166 FxU32 fbiSwapHistory;
167 FxU32 fbiTrianglesOut; // triangles out counter
168
169 FxU32 sSetupMode;
170 FxU32 sVx;
171 FxU32 sVy;
172 FxU32 sARGB;
173 FxU32 sRed;
174 FxU32 sGreen;
175 FxU32 sBlue;
176 FxU32 sAlpha;
177
178 FxU32 sVz;
179 FxU32 sOowfbi;
180 FxU32 sOow0;
181 FxU32 sSow0;
182 FxU32 sTow0;
183 FxU32 sOow1;
184 FxU32 sSow1;
185 FxU32 sTow1;
186
187 FxU32 sDrawTriCMD;
188 FxU32 sBeginTriCMD;
189 unsigned long reservedE[6];
190
191 FxU32 bltSrcBaseAddr;
192 FxU32 bltDstBaseAddr;
193 FxU32 bltXYstrides;
194 FxU32 bltSrcChromaRange;
195 FxU32 bltDstChromaRange;
196 FxU32 bltClipX;
197 FxU32 bltClipY;
198 FxU32 reservedF;
199
200 FxU32 bltSrcXY;
201 FxU32 bltDstXY;
202 FxU32 bltSize;
203 FxU32 bltRop;
204 FxU32 bltColor;
205 FxU32 reservedG;
206 FxU32 bltCommand;
207 FxU32 bltData;
208
209 unsigned long textureMode; // texture Mode
210 unsigned long tLOD; // texture LOD settings
211 unsigned long tDetail; // texture detail settings
212 unsigned long texBaseAddr; // current texture base address
213 unsigned long texBaseAddr1;
214 unsigned long texBaseAddr2;
215 unsigned long texBaseAddr38;
216 unsigned long trexInit0; // hardware init bits
217
218 unsigned long trexInit1; // hardware init bits
219 unsigned long nccTable0[12]; // NCC decode tables, bits are packed
220 unsigned long nccTable1[12]; // 4 words Y, 4 words I, 4 words Q
221 FxU32 tchromaKey; // texture chromakey
222 FxU32 tchromaRange; // texture chromarange
223 FxU32 reservedH[5];
224 FxU32 reservedI[8];
225 FxU32 reservedJ[8];
226 FxU32 reservedK[8];
227} SstRegs;
228
229#endif /* !__CVGREGS_H__ */
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