// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** voodoo.h 3dfx Voodoo Graphics SST-1/2 emulator. ***************************************************************************/ #ifndef MAME_VIDEO_VOODOO_H #define MAME_VIDEO_VOODOO_H #pragma once #include "video/polylgcy.h" #include "video/rgbutil.h" #include "screen.h" /************************************* * * Misc. constants * *************************************/ /* enumeration describing reasons we might be stalled */ enum { NOT_STALLED = 0, STALLED_UNTIL_FIFO_LWM, STALLED_UNTIL_FIFO_EMPTY }; // Use old table lookup versus straight double divide #define USE_FAST_RECIP 0 /* maximum number of TMUs */ #define MAX_TMU 2 /* accumulate operations less than this number of clocks */ #define ACCUMULATE_THRESHOLD 0 /* number of clocks to set up a triangle (just a guess) */ #define TRIANGLE_SETUP_CLOCKS 100 /* maximum number of rasterizers */ #define MAX_RASTERIZERS 1024 /* size of the rasterizer hash table */ #define RASTER_HASH_SIZE 97 /* flags for LFB writes */ #define LFB_RGB_PRESENT 1 #define LFB_ALPHA_PRESENT 2 #define LFB_DEPTH_PRESENT 4 #define LFB_DEPTH_PRESENT_MSW 8 /* flags for the register access array */ #define REGISTER_READ 0x01 /* reads are allowed */ #define REGISTER_WRITE 0x02 /* writes are allowed */ #define REGISTER_PIPELINED 0x04 /* writes are pipelined */ #define REGISTER_FIFO 0x08 /* writes go to FIFO */ #define REGISTER_WRITETHRU 0x10 /* writes are valid even for CMDFIFO */ /* shorter combinations to make the table smaller */ #define REG_R (REGISTER_READ) #define REG_W (REGISTER_WRITE) #define REG_WT (REGISTER_WRITE | REGISTER_WRITETHRU) #define REG_RW (REGISTER_READ | REGISTER_WRITE) #define REG_RWT (REGISTER_READ | REGISTER_WRITE | REGISTER_WRITETHRU) #define REG_RP (REGISTER_READ | REGISTER_PIPELINED) #define REG_WP (REGISTER_WRITE | REGISTER_PIPELINED) #define REG_RWP (REGISTER_READ | REGISTER_WRITE | REGISTER_PIPELINED) #define REG_RWPT (REGISTER_READ | REGISTER_WRITE | REGISTER_PIPELINED | REGISTER_WRITETHRU) #define REG_RF (REGISTER_READ | REGISTER_FIFO) #define REG_WF (REGISTER_WRITE | REGISTER_FIFO) #define REG_RWF (REGISTER_READ | REGISTER_WRITE | REGISTER_FIFO) #define REG_RPF (REGISTER_READ | REGISTER_PIPELINED | REGISTER_FIFO) #define REG_WPF (REGISTER_WRITE | REGISTER_PIPELINED | REGISTER_FIFO) #define REG_RWPF (REGISTER_READ | REGISTER_WRITE | REGISTER_PIPELINED | REGISTER_FIFO) /* lookup bits is the log2 of the size of the reciprocal/log table */ #define RECIPLOG_LOOKUP_BITS 9 /* input precision is how many fraction bits the input value has; this is a 64-bit number */ #define RECIPLOG_INPUT_PREC 32 /* lookup precision is how many fraction bits each table entry contains */ #define RECIPLOG_LOOKUP_PREC 22 /* output precision is how many fraction bits the result should have */ #define RECIP_OUTPUT_PREC 15 #define LOG_OUTPUT_PREC 8 /************************************* * * Register constants * *************************************/ /* Codes to the right: R = readable W = writeable P = pipelined F = goes to FIFO */ /* 0x000 */ #define vdstatus (0x000/4) /* R P */ #define intrCtrl (0x004/4) /* RW P -- Voodoo2/Banshee only */ #define vertexAx (0x008/4) /* W PF */ #define vertexAy (0x00c/4) /* W PF */ #define vertexBx (0x010/4) /* W PF */ #define vertexBy (0x014/4) /* W PF */ #define vertexCx (0x018/4) /* W PF */ #define vertexCy (0x01c/4) /* W PF */ #define startR (0x020/4) /* W PF */ #define startG (0x024/4) /* W PF */ #define startB (0x028/4) /* W PF */ #define startZ (0x02c/4) /* W PF */ #define startA (0x030/4) /* W PF */ #define startS (0x034/4) /* W PF */ #define startT (0x038/4) /* W PF */ #define startW (0x03c/4) /* W PF */ /* 0x040 */ #define dRdX (0x040/4) /* W PF */ #define dGdX (0x044/4) /* W PF */ #define dBdX (0x048/4) /* W PF */ #define dZdX (0x04c/4) /* W PF */ #define dAdX (0x050/4) /* W PF */ #define dSdX (0x054/4) /* W PF */ #define dTdX (0x058/4) /* W PF */ #define dWdX (0x05c/4) /* W PF */ #define dRdY (0x060/4) /* W PF */ #define dGdY (0x064/4) /* W PF */ #define dBdY (0x068/4) /* W PF */ #define dZdY (0x06c/4) /* W PF */ #define dAdY (0x070/4) /* W PF */ #define dSdY (0x074/4) /* W PF */ #define dTdY (0x078/4) /* W PF */ #define dWdY (0x07c/4) /* W PF */ /* 0x080 */ #define triangleCMD (0x080/4) /* W PF */ #define fvertexAx (0x088/4) /* W PF */ #define fvertexAy (0x08c/4) /* W PF */ #define fvertexBx (0x090/4) /* W PF */ #define fvertexBy (0x094/4) /* W PF */ #define fvertexCx (0x098/4) /* W PF */ #define fvertexCy (0x09c/4) /* W PF */ #define fstartR (0x0a0/4) /* W PF */ #define fstartG (0x0a4/4) /* W PF */ #define fstartB (0x0a8/4) /* W PF */ #define fstartZ (0x0ac/4) /* W PF */ #define fstartA (0x0b0/4) /* W PF */ #define fstartS (0x0b4/4) /* W PF */ #define fstartT (0x0b8/4) /* W PF */ #define fstartW (0x0bc/4) /* W PF */ /* 0x0c0 */ #define fdRdX (0x0c0/4) /* W PF */ #define fdGdX (0x0c4/4) /* W PF */ #define fdBdX (0x0c8/4) /* W PF */ #define fdZdX (0x0cc/4) /* W PF */ #define fdAdX (0x0d0/4) /* W PF */ #define fdSdX (0x0d4/4) /* W PF */ #define fdTdX (0x0d8/4) /* W PF */ #define fdWdX (0x0dc/4) /* W PF */ #define fdRdY (0x0e0/4) /* W PF */ #define fdGdY (0x0e4/4) /* W PF */ #define fdBdY (0x0e8/4) /* W PF */ #define fdZdY (0x0ec/4) /* W PF */ #define fdAdY (0x0f0/4) /* W PF */ #define fdSdY (0x0f4/4) /* W PF */ #define fdTdY (0x0f8/4) /* W PF */ #define fdWdY (0x0fc/4) /* W PF */ /* 0x100 */ #define ftriangleCMD (0x100/4) /* W PF */ #define fbzColorPath (0x104/4) /* RW PF */ #define fogMode (0x108/4) /* RW PF */ #define alphaMode (0x10c/4) /* RW PF */ #define fbzMode (0x110/4) /* RW F */ #define lfbMode (0x114/4) /* RW F */ #define clipLeftRight (0x118/4) /* RW F */ #define clipLowYHighY (0x11c/4) /* RW F */ #define nopCMD (0x120/4) /* W F */ #define fastfillCMD (0x124/4) /* W F */ #define swapbufferCMD (0x128/4) /* W F */ #define fogColor (0x12c/4) /* W F */ #define zaColor (0x130/4) /* W F */ #define chromaKey (0x134/4) /* W F */ #define chromaRange (0x138/4) /* W F -- Voodoo2/Banshee only */ #define userIntrCMD (0x13c/4) /* W F -- Voodoo2/Banshee only */ /* 0x140 */ #define stipple (0x140/4) /* RW F */ #define color0 (0x144/4) /* RW F */ #define color1 (0x148/4) /* RW F */ #define fbiPixelsIn (0x14c/4) /* R */ #define fbiChromaFail (0x150/4) /* R */ #define fbiZfuncFail (0x154/4) /* R */ #define fbiAfuncFail (0x158/4) /* R */ #define fbiPixelsOut (0x15c/4) /* R */ #define fogTable (0x160/4) /* W F */ /* 0x1c0 */ #define cmdFifoBaseAddr (0x1e0/4) /* RW -- Voodoo2 only */ #define cmdFifoBump (0x1e4/4) /* RW -- Voodoo2 only */ #define cmdFifoRdPtr (0x1e8/4) /* RW -- Voodoo2 only */ #define cmdFifoAMin (0x1ec/4) /* RW -- Voodoo2 only */ #define colBufferAddr (0x1ec/4) /* RW -- Banshee only */ #define cmdFifoAMax (0x1f0/4) /* RW -- Voodoo2 only */ #define colBufferStride (0x1f0/4) /* RW -- Banshee only */ #define cmdFifoDepth (0x1f4/4) /* RW -- Voodoo2 only */ #define auxBufferAddr (0x1f4/4) /* RW -- Banshee only */ #define cmdFifoHoles (0x1f8/4) /* RW -- Voodoo2 only */ #define auxBufferStride (0x1f8/4) /* RW -- Banshee only */ /* 0x200 */ #define fbiInit4 (0x200/4) /* RW -- Voodoo/Voodoo2 only */ #define clipLeftRight1 (0x200/4) /* RW -- Banshee only */ #define vRetrace (0x204/4) /* R -- Voodoo/Voodoo2 only */ #define clipTopBottom1 (0x204/4) /* RW -- Banshee only */ #define backPorch (0x208/4) /* RW -- Voodoo/Voodoo2 only */ #define videoDimensions (0x20c/4) /* RW -- Voodoo/Voodoo2 only */ #define fbiInit0 (0x210/4) /* RW -- Voodoo/Voodoo2 only */ #define fbiInit1 (0x214/4) /* RW -- Voodoo/Voodoo2 only */ #define fbiInit2 (0x218/4) /* RW -- Voodoo/Voodoo2 only */ #define fbiInit3 (0x21c/4) /* RW -- Voodoo/Voodoo2 only */ #define hSync (0x220/4) /* W -- Voodoo/Voodoo2 only */ #define vSync (0x224/4) /* W -- Voodoo/Voodoo2 only */ #define clutData (0x228/4) /* W F -- Voodoo/Voodoo2 only */ #define dacData (0x22c/4) /* W -- Voodoo/Voodoo2 only */ #define maxRgbDelta (0x230/4) /* W -- Voodoo/Voodoo2 only */ #define hBorder (0x234/4) /* W -- Voodoo2 only */ #define vBorder (0x238/4) /* W -- Voodoo2 only */ #define borderColor (0x23c/4) /* W -- Voodoo2 only */ /* 0x240 */ #define hvRetrace (0x240/4) /* R -- Voodoo2 only */ #define fbiInit5 (0x244/4) /* RW -- Voodoo2 only */ #define fbiInit6 (0x248/4) /* RW -- Voodoo2 only */ #define fbiInit7 (0x24c/4) /* RW -- Voodoo2 only */ #define swapPending (0x24c/4) /* W -- Banshee only */ #define leftOverlayBuf (0x250/4) /* W -- Banshee only */ #define rightOverlayBuf (0x254/4) /* W -- Banshee only */ #define fbiSwapHistory (0x258/4) /* R -- Voodoo2/Banshee only */ #define fbiTrianglesOut (0x25c/4) /* R -- Voodoo2/Banshee only */ #define sSetupMode (0x260/4) /* W PF -- Voodoo2/Banshee only */ #define sVx (0x264/4) /* W PF -- Voodoo2/Banshee only */ #define sVy (0x268/4) /* W PF -- Voodoo2/Banshee only */ #define sARGB (0x26c/4) /* W PF -- Voodoo2/Banshee only */ #define sRed (0x270/4) /* W PF -- Voodoo2/Banshee only */ #define sGreen (0x274/4) /* W PF -- Voodoo2/Banshee only */ #define sBlue (0x278/4) /* W PF -- Voodoo2/Banshee only */ #define sAlpha (0x27c/4) /* W PF -- Voodoo2/Banshee only */ /* 0x280 */ #define sVz (0x280/4) /* W PF -- Voodoo2/Banshee only */ #define sWb (0x284/4) /* W PF -- Voodoo2/Banshee only */ #define sWtmu0 (0x288/4) /* W PF -- Voodoo2/Banshee only */ #define sS_W0 (0x28c/4) /* W PF -- Voodoo2/Banshee only */ #define sT_W0 (0x290/4) /* W PF -- Voodoo2/Banshee only */ #define sWtmu1 (0x294/4) /* W PF -- Voodoo2/Banshee only */ #define sS_Wtmu1 (0x298/4) /* W PF -- Voodoo2/Banshee only */ #define sT_Wtmu1 (0x29c/4) /* W PF -- Voodoo2/Banshee only */ #define sDrawTriCMD (0x2a0/4) /* W PF -- Voodoo2/Banshee only */ #define sBeginTriCMD (0x2a4/4) /* W PF -- Voodoo2/Banshee only */ /* 0x2c0 */ #define bltSrcBaseAddr (0x2c0/4) /* RW PF -- Voodoo2 only */ #define bltDstBaseAddr (0x2c4/4) /* RW PF -- Voodoo2 only */ #define bltXYStrides (0x2c8/4) /* RW PF -- Voodoo2 only */ #define bltSrcChromaRange (0x2cc/4) /* RW PF -- Voodoo2 only */ #define bltDstChromaRange (0x2d0/4) /* RW PF -- Voodoo2 only */ #define bltClipX (0x2d4/4) /* RW PF -- Voodoo2 only */ #define bltClipY (0x2d8/4) /* RW PF -- Voodoo2 only */ #define bltSrcXY (0x2e0/4) /* RW PF -- Voodoo2 only */ #define bltDstXY (0x2e4/4) /* RW PF -- Voodoo2 only */ #define bltSize (0x2e8/4) /* RW PF -- Voodoo2 only */ #define bltRop (0x2ec/4) /* RW PF -- Voodoo2 only */ #define bltColor (0x2f0/4) /* RW PF -- Voodoo2 only */ #define bltCommand (0x2f8/4) /* RW PF -- Voodoo2 only */ #define bltData (0x2fc/4) /* W PF -- Voodoo2 only */ /* 0x300 */ #define textureMode (0x300/4) /* W PF */ #define tLOD (0x304/4) /* W PF */ #define tDetail (0x308/4) /* W PF */ #define texBaseAddr (0x30c/4) /* W PF */ #define texBaseAddr_1 (0x310/4) /* W PF */ #define texBaseAddr_2 (0x314/4) /* W PF */ #define texBaseAddr_3_8 (0x318/4) /* W PF */ #define trexInit0 (0x31c/4) /* W F -- Voodoo/Voodoo2 only */ #define trexInit1 (0x320/4) /* W F */ #define nccTable (0x324/4) /* W F */ // 2D registers #define banshee2D_clip0Min (0x008/4) #define banshee2D_clip0Max (0x00c/4) #define banshee2D_dstBaseAddr (0x010/4) #define banshee2D_dstFormat (0x014/4) #define banshee2D_srcColorkeyMin (0x018/4) #define banshee2D_srcColorkeyMax (0x01c/4) #define banshee2D_dstColorkeyMin (0x020/4) #define banshee2D_dstColorkeyMax (0x024/4) #define banshee2D_bresError0 (0x028/4) #define banshee2D_bresError1 (0x02c/4) #define banshee2D_rop (0x030/4) #define banshee2D_srcBaseAddr (0x034/4) #define banshee2D_commandExtra (0x038/4) #define banshee2D_lineStipple (0x03c/4) #define banshee2D_lineStyle (0x040/4) #define banshee2D_pattern0Alias (0x044/4) #define banshee2D_pattern1Alias (0x048/4) #define banshee2D_clip1Min (0x04c/4) #define banshee2D_clip1Max (0x050/4) #define banshee2D_srcFormat (0x054/4) #define banshee2D_srcSize (0x058/4) #define banshee2D_srcXY (0x05c/4) #define banshee2D_colorBack (0x060/4) #define banshee2D_colorFore (0x064/4) #define banshee2D_dstSize (0x068/4) #define banshee2D_dstXY (0x06c/4) #define banshee2D_command (0x070/4) /************************************* * * Alias map of the first 64 * registers when remapped * *************************************/ static const uint8_t register_alias_map[0x40] = { vdstatus, 0x004/4, vertexAx, vertexAy, vertexBx, vertexBy, vertexCx, vertexCy, startR, dRdX, dRdY, startG, dGdX, dGdY, startB, dBdX, dBdY, startZ, dZdX, dZdY, startA, dAdX, dAdY, startS, dSdX, dSdY, startT, dTdX, dTdY, startW, dWdX, dWdY, triangleCMD,0x084/4, fvertexAx, fvertexAy, fvertexBx, fvertexBy, fvertexCx, fvertexCy, fstartR, fdRdX, fdRdY, fstartG, fdGdX, fdGdY, fstartB, fdBdX, fdBdY, fstartZ, fdZdX, fdZdY, fstartA, fdAdX, fdAdY, fstartS, fdSdX, fdSdY, fstartT, fdTdX, fdTdY, fstartW, fdWdX, fdWdY }; /************************************* * * Table of per-register access rights * *************************************/ static const uint8_t voodoo_register_access[0x100] = { /* 0x000 */ REG_RP, 0, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x040 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x080 */ REG_WPF, 0, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x0c0 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x100 */ REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWF, REG_RWF, REG_RWF, REG_RWF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, 0, 0, /* 0x140 */ REG_RWF, REG_RWF, REG_RWF, REG_R, REG_R, REG_R, REG_R, REG_R, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x180 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x1c0 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x200 */ REG_RW, REG_R, REG_RW, REG_RW, REG_RW, REG_RW, REG_RW, REG_RW, REG_W, REG_W, REG_W, REG_W, REG_W, 0, 0, 0, /* 0x240 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x280 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x2c0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x300 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x340 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x380 */ REG_WF }; static const uint8_t voodoo2_register_access[0x100] = { /* 0x000 */ REG_RP, REG_RWPT, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x040 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x080 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x0c0 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x100 */ REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWF, REG_RWF, REG_RWF, REG_RWF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x140 */ REG_RWF, REG_RWF, REG_RWF, REG_R, REG_R, REG_R, REG_R, REG_R, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x180 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x1c0 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_RW, /* 0x200 */ REG_RWT, REG_R, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_RWT, REG_WT, REG_WT, REG_WF, REG_WT, REG_WT, REG_WT, REG_WT, REG_WT, /* 0x240 */ REG_R, REG_RWT, REG_RWT, REG_RWT, 0, 0, REG_R, REG_R, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x280 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, 0, 0, 0, 0, 0, 0, /* 0x2c0 */ REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_WPF, /* 0x300 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x340 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x380 */ REG_WF }; static const uint8_t banshee_register_access[0x100] = { /* 0x000 */ REG_RP, REG_RWPT, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x040 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x080 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x0c0 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x100 */ REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF, REG_RWF, REG_RWF, REG_RWF, REG_RWF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x140 */ REG_RWF, REG_RWF, REG_RWF, REG_R, REG_R, REG_R, REG_R, REG_R, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x180 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x1c0 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, 0, 0, 0, REG_RWF, REG_RWF, REG_RWF, REG_RWF, 0, /* 0x200 */ REG_RWF, REG_RWF, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x240 */ 0, 0, 0, REG_WT, REG_RWF, REG_RWF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_R, REG_R, REG_WPF, REG_WPF, REG_WPF, REG_WPF, /* 0x280 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, 0, 0, 0, 0, 0, 0, /* 0x2c0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x300 */ REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, REG_WPF, 0, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x340 */ REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, REG_WF, /* 0x380 */ REG_WF }; /************************************* * * Register string table for debug * *************************************/ static const char *const voodoo_reg_name[] = { /* 0x000 */ "status", "{intrCtrl}", "vertexAx", "vertexAy", "vertexBx", "vertexBy", "vertexCx", "vertexCy", "startR", "startG", "startB", "startZ", "startA", "startS", "startT", "startW", /* 0x040 */ "dRdX", "dGdX", "dBdX", "dZdX", "dAdX", "dSdX", "dTdX", "dWdX", "dRdY", "dGdY", "dBdY", "dZdY", "dAdY", "dSdY", "dTdY", "dWdY", /* 0x080 */ "triangleCMD", "reserved084", "fvertexAx", "fvertexAy", "fvertexBx", "fvertexBy", "fvertexCx", "fvertexCy", "fstartR", "fstartG", "fstartB", "fstartZ", "fstartA", "fstartS", "fstartT", "fstartW", /* 0x0c0 */ "fdRdX", "fdGdX", "fdBdX", "fdZdX", "fdAdX", "fdSdX", "fdTdX", "fdWdX", "fdRdY", "fdGdY", "fdBdY", "fdZdY", "fdAdY", "fdSdY", "fdTdY", "fdWdY", /* 0x100 */ "ftriangleCMD", "fbzColorPath", "fogMode", "alphaMode", "fbzMode", "lfbMode", "clipLeftRight","clipLowYHighY", "nopCMD", "fastfillCMD", "swapbufferCMD","fogColor", "zaColor", "chromaKey", "{chromaRange}","{userIntrCMD}", /* 0x140 */ "stipple", "color0", "color1", "fbiPixelsIn", "fbiChromaFail","fbiZfuncFail", "fbiAfuncFail", "fbiPixelsOut", "fogTable160", "fogTable164", "fogTable168", "fogTable16c", "fogTable170", "fogTable174", "fogTable178", "fogTable17c", /* 0x180 */ "fogTable180", "fogTable184", "fogTable188", "fogTable18c", "fogTable190", "fogTable194", "fogTable198", "fogTable19c", "fogTable1a0", "fogTable1a4", "fogTable1a8", "fogTable1ac", "fogTable1b0", "fogTable1b4", "fogTable1b8", "fogTable1bc", /* 0x1c0 */ "fogTable1c0", "fogTable1c4", "fogTable1c8", "fogTable1cc", "fogTable1d0", "fogTable1d4", "fogTable1d8", "fogTable1dc", "{cmdFifoBaseAddr}","{cmdFifoBump}","{cmdFifoRdPtr}","{cmdFifoAMin}", "{cmdFifoAMax}","{cmdFifoDepth}","{cmdFifoHoles}","reserved1fc", /* 0x200 */ "fbiInit4", "vRetrace", "backPorch", "videoDimensions", "fbiInit0", "fbiInit1", "fbiInit2", "fbiInit3", "hSync", "vSync", "clutData", "dacData", "maxRgbDelta", "{hBorder}", "{vBorder}", "{borderColor}", /* 0x240 */ "{hvRetrace}", "{fbiInit5}", "{fbiInit6}", "{fbiInit7}", "reserved250", "reserved254", "{fbiSwapHistory}","{fbiTrianglesOut}", "{sSetupMode}", "{sVx}", "{sVy}", "{sARGB}", "{sRed}", "{sGreen}", "{sBlue}", "{sAlpha}", /* 0x280 */ "{sVz}", "{sWb}", "{sWtmu0}", "{sS/Wtmu0}", "{sT/Wtmu0}", "{sWtmu1}", "{sS/Wtmu1}", "{sT/Wtmu1}", "{sDrawTriCMD}","{sBeginTriCMD}","reserved2a8", "reserved2ac", "reserved2b0", "reserved2b4", "reserved2b8", "reserved2bc", /* 0x2c0 */ "{bltSrcBaseAddr}","{bltDstBaseAddr}","{bltXYStrides}","{bltSrcChromaRange}", "{bltDstChromaRange}","{bltClipX}","{bltClipY}","reserved2dc", "{bltSrcXY}", "{bltDstXY}", "{bltSize}", "{bltRop}", "{bltColor}", "reserved2f4", "{bltCommand}", "{bltData}", /* 0x300 */ "textureMode", "tLOD", "tDetail", "texBaseAddr", "texBaseAddr_1","texBaseAddr_2","texBaseAddr_3_8","trexInit0", "trexInit1", "nccTable0.0", "nccTable0.1", "nccTable0.2", "nccTable0.3", "nccTable0.4", "nccTable0.5", "nccTable0.6", /* 0x340 */ "nccTable0.7", "nccTable0.8", "nccTable0.9", "nccTable0.A", "nccTable0.B", "nccTable1.0", "nccTable1.1", "nccTable1.2", "nccTable1.3", "nccTable1.4", "nccTable1.5", "nccTable1.6", "nccTable1.7", "nccTable1.8", "nccTable1.9", "nccTable1.A", /* 0x380 */ "nccTable1.B" }; static const char *const banshee_reg_name[] = { /* 0x000 */ "status", "intrCtrl", "vertexAx", "vertexAy", "vertexBx", "vertexBy", "vertexCx", "vertexCy", "startR", "startG", "startB", "startZ", "startA", "startS", "startT", "startW", /* 0x040 */ "dRdX", "dGdX", "dBdX", "dZdX", "dAdX", "dSdX", "dTdX", "dWdX", "dRdY", "dGdY", "dBdY", "dZdY", "dAdY", "dSdY", "dTdY", "dWdY", /* 0x080 */ "triangleCMD", "reserved084", "fvertexAx", "fvertexAy", "fvertexBx", "fvertexBy", "fvertexCx", "fvertexCy", "fstartR", "fstartG", "fstartB", "fstartZ", "fstartA", "fstartS", "fstartT", "fstartW", /* 0x0c0 */ "fdRdX", "fdGdX", "fdBdX", "fdZdX", "fdAdX", "fdSdX", "fdTdX", "fdWdX", "fdRdY", "fdGdY", "fdBdY", "fdZdY", "fdAdY", "fdSdY", "fdTdY", "fdWdY", /* 0x100 */ "ftriangleCMD", "fbzColorPath", "fogMode", "alphaMode", "fbzMode", "lfbMode", "clipLeftRight","clipLowYHighY", "nopCMD", "fastfillCMD", "swapbufferCMD","fogColor", "zaColor", "chromaKey", "chromaRange", "userIntrCMD", /* 0x140 */ "stipple", "color0", "color1", "fbiPixelsIn", "fbiChromaFail","fbiZfuncFail", "fbiAfuncFail", "fbiPixelsOut", "fogTable160", "fogTable164", "fogTable168", "fogTable16c", "fogTable170", "fogTable174", "fogTable178", "fogTable17c", /* 0x180 */ "fogTable180", "fogTable184", "fogTable188", "fogTable18c", "fogTable190", "fogTable194", "fogTable198", "fogTable19c", "fogTable1a0", "fogTable1a4", "fogTable1a8", "fogTable1ac", "fogTable1b0", "fogTable1b4", "fogTable1b8", "fogTable1bc", /* 0x1c0 */ "fogTable1c0", "fogTable1c4", "fogTable1c8", "fogTable1cc", "fogTable1d0", "fogTable1d4", "fogTable1d8", "fogTable1dc", "reserved1e0", "reserved1e4", "reserved1e8", "colBufferAddr", "colBufferStride","auxBufferAddr","auxBufferStride","reserved1fc", /* 0x200 */ "clipLeftRight1","clipTopBottom1","reserved208","reserved20c", "reserved210", "reserved214", "reserved218", "reserved21c", "reserved220", "reserved224", "reserved228", "reserved22c", "reserved230", "reserved234", "reserved238", "reserved23c", /* 0x240 */ "reserved240", "reserved244", "reserved248", "swapPending", "leftOverlayBuf","rightOverlayBuf","fbiSwapHistory","fbiTrianglesOut", "sSetupMode", "sVx", "sVy", "sARGB", "sRed", "sGreen", "sBlue", "sAlpha", /* 0x280 */ "sVz", "sWb", "sWtmu0", "sS/Wtmu0", "sT/Wtmu0", "sWtmu1", "sS/Wtmu1", "sT/Wtmu1", "sDrawTriCMD", "sBeginTriCMD", "reserved2a8", "reserved2ac", "reserved2b0", "reserved2b4", "reserved2b8", "reserved2bc", /* 0x2c0 */ "reserved2c0", "reserved2c4", "reserved2c8", "reserved2cc", "reserved2d0", "reserved2d4", "reserved2d8", "reserved2dc", "reserved2e0", "reserved2e4", "reserved2e8", "reserved2ec", "reserved2f0", "reserved2f4", "reserved2f8", "reserved2fc", /* 0x300 */ "textureMode", "tLOD", "tDetail", "texBaseAddr", "texBaseAddr_1","texBaseAddr_2","texBaseAddr_3_8","reserved31c", "trexInit1", "nccTable0.0", "nccTable0.1", "nccTable0.2", "nccTable0.3", "nccTable0.4", "nccTable0.5", "nccTable0.6", /* 0x340 */ "nccTable0.7", "nccTable0.8", "nccTable0.9", "nccTable0.A", "nccTable0.B", "nccTable1.0", "nccTable1.1", "nccTable1.2", "nccTable1.3", "nccTable1.4", "nccTable1.5", "nccTable1.6", "nccTable1.7", "nccTable1.8", "nccTable1.9", "nccTable1.A", /* 0x380 */ "nccTable1.B" }; /************************************* * * Voodoo Banshee I/O space registers * *************************************/ /* 0x000 */ #define io_status (0x000/4) /* */ #define io_pciInit0 (0x004/4) /* */ #define io_sipMonitor (0x008/4) /* */ #define io_lfbMemoryConfig (0x00c/4) /* */ #define io_miscInit0 (0x010/4) /* */ #define io_miscInit1 (0x014/4) /* */ #define io_dramInit0 (0x018/4) /* */ #define io_dramInit1 (0x01c/4) /* */ #define io_agpInit (0x020/4) /* */ #define io_tmuGbeInit (0x024/4) /* */ #define io_vgaInit0 (0x028/4) /* */ #define io_vgaInit1 (0x02c/4) /* */ #define io_dramCommand (0x030/4) /* */ #define io_dramData (0x034/4) /* */ /* 0x040 */ #define io_pllCtrl0 (0x040/4) /* */ #define io_pllCtrl1 (0x044/4) /* */ #define io_pllCtrl2 (0x048/4) /* */ #define io_dacMode (0x04c/4) /* */ #define io_dacAddr (0x050/4) /* */ #define io_dacData (0x054/4) /* */ #define io_rgbMaxDelta (0x058/4) /* */ #define io_vidProcCfg (0x05c/4) /* */ #define io_hwCurPatAddr (0x060/4) /* */ #define io_hwCurLoc (0x064/4) /* */ #define io_hwCurC0 (0x068/4) /* */ #define io_hwCurC1 (0x06c/4) /* */ #define io_vidInFormat (0x070/4) /* */ #define io_vidInStatus (0x074/4) /* */ #define io_vidSerialParallelPort (0x078/4) /* */ #define io_vidInXDecimDeltas (0x07c/4) /* */ /* 0x080 */ #define io_vidInDecimInitErrs (0x080/4) /* */ #define io_vidInYDecimDeltas (0x084/4) /* */ #define io_vidPixelBufThold (0x088/4) /* */ #define io_vidChromaMin (0x08c/4) /* */ #define io_vidChromaMax (0x090/4) /* */ #define io_vidCurrentLine (0x094/4) /* */ #define io_vidScreenSize (0x098/4) /* */ #define io_vidOverlayStartCoords (0x09c/4) /* */ #define io_vidOverlayEndScreenCoord (0x0a0/4) /* */ #define io_vidOverlayDudx (0x0a4/4) /* */ #define io_vidOverlayDudxOffsetSrcWidth (0x0a8/4) /* */ #define io_vidOverlayDvdy (0x0ac/4) /* */ #define io_vgab0 (0x0b0/4) /* */ #define io_vgab4 (0x0b4/4) /* */ #define io_vgab8 (0x0b8/4) /* */ #define io_vgabc (0x0bc/4) /* */ /* 0x0c0 */ #define io_vgac0 (0x0c0/4) /* */ #define io_vgac4 (0x0c4/4) /* */ #define io_vgac8 (0x0c8/4) /* */ #define io_vgacc (0x0cc/4) /* */ #define io_vgad0 (0x0d0/4) /* */ #define io_vgad4 (0x0d4/4) /* */ #define io_vgad8 (0x0d8/4) /* */ #define io_vgadc (0x0dc/4) /* */ #define io_vidOverlayDvdyOffset (0x0e0/4) /* */ #define io_vidDesktopStartAddr (0x0e4/4) /* */ #define io_vidDesktopOverlayStride (0x0e8/4) /* */ #define io_vidInAddr0 (0x0ec/4) /* */ #define io_vidInAddr1 (0x0f0/4) /* */ #define io_vidInAddr2 (0x0f4/4) /* */ #define io_vidInStride (0x0f8/4) /* */ #define io_vidCurrOverlayStartAddr (0x0fc/4) /* */ /************************************* * * Register string table for debug * *************************************/ static const char *const banshee_io_reg_name[] = { /* 0x000 */ "status", "pciInit0", "sipMonitor", "lfbMemoryConfig", "miscInit0", "miscInit1", "dramInit0", "dramInit1", "agpInit", "tmuGbeInit", "vgaInit0", "vgaInit1", "dramCommand", "dramData", "reserved38", "reserved3c", /* 0x040 */ "pllCtrl0", "pllCtrl1", "pllCtrl2", "dacMode", "dacAddr", "dacData", "rgbMaxDelta", "vidProcCfg", "hwCurPatAddr", "hwCurLoc", "hwCurC0", "hwCurC1", "vidInFormat", "vidInStatus", "vidSerialParallelPort","vidInXDecimDeltas", /* 0x080 */ "vidInDecimInitErrs","vidInYDecimDeltas","vidPixelBufThold","vidChromaMin", "vidChromaMax", "vidCurrentLine","vidScreenSize","vidOverlayStartCoords", "vidOverlayEndScreenCoord","vidOverlayDudx","vidOverlayDudxOffsetSrcWidth","vidOverlayDvdy", "vga[b0]", "vga[b4]", "vga[b8]", "vga[bc]", /* 0x0c0 */ "vga[c0]", "vga[c4]", "vga[c8]", "vga[cc]", "vga[d0]", "vga[d4]", "vga[d8]", "vga[dc]", "vidOverlayDvdyOffset","vidDesktopStartAddr","vidDesktopOverlayStride","vidInAddr0", "vidInAddr1", "vidInAddr2", "vidInStride", "vidCurrOverlayStartAddr" }; /************************************* * * Voodoo Banshee AGP space registers * *************************************/ /* 0x000 */ #define agpReqSize (0x000/4) /* */ #define agpHostAddressLow (0x004/4) /* */ #define agpHostAddressHigh (0x008/4) /* */ #define agpGraphicsAddress (0x00c/4) /* */ #define agpGraphicsStride (0x010/4) /* */ #define agpMoveCMD (0x014/4) /* */ #define cmdBaseAddr0 (0x020/4) /* */ #define cmdBaseSize0 (0x024/4) /* */ #define cmdBump0 (0x028/4) /* */ #define cmdRdPtrL0 (0x02c/4) /* */ #define cmdRdPtrH0 (0x030/4) /* */ #define cmdAMin0 (0x034/4) /* */ #define cmdAMax0 (0x03c/4) /* */ /* 0x040 */ #define cmdFifoDepth0 (0x044/4) /* */ #define cmdHoleCnt0 (0x048/4) /* */ #define cmdBaseAddr1 (0x050/4) /* */ #define cmdBaseSize1 (0x054/4) /* */ #define cmdBump1 (0x058/4) /* */ #define cmdRdPtrL1 (0x05c/4) /* */ #define cmdRdPtrH1 (0x060/4) /* */ #define cmdAMin1 (0x064/4) /* */ #define cmdAMax1 (0x06c/4) /* */ #define cmdFifoDepth1 (0x074/4) /* */ #define cmdHoleCnt1 (0x078/4) /* */ /* 0x080 */ #define cmdFifoThresh (0x080/4) /* */ #define cmdHoleInt (0x084/4) /* */ /* 0x100 */ #define yuvBaseAddress (0x100/4) /* */ #define yuvStride (0x104/4) /* */ #define crc1 (0x120/4) /* */ #define crc2 (0x130/4) /* */ /************************************* * * Register string table for debug * *************************************/ static const char *const banshee_agp_reg_name[] = { /* 0x000 */ "agpReqSize", "agpHostAddressLow","agpHostAddressHigh","agpGraphicsAddress", "agpGraphicsStride","agpMoveCMD","reserved18", "reserved1c", "cmdBaseAddr0", "cmdBaseSize0", "cmdBump0", "cmdRdPtrL0", "cmdRdPtrH0", "cmdAMin0", "reserved38", "cmdAMax0", /* 0x040 */ "reserved40", "cmdFifoDepth0","cmdHoleCnt0", "reserved4c", "cmdBaseAddr1", "cmdBaseSize1", "cmdBump1", "cmdRdPtrL1", "cmdRdPtrH1", "cmdAMin1", "reserved68", "cmdAMax1", "reserved70", "cmdFifoDepth1","cmdHoleCnt1", "reserved7c", /* 0x080 */ "cmdFifoThresh","cmdHoleInt", "reserved88", "reserved8c", "reserved90", "reserved94", "reserved98", "reserved9c", "reserveda0", "reserveda4", "reserveda8", "reservedac", "reservedb0", "reservedb4", "reservedb8", "reservedbc", /* 0x0c0 */ "reservedc0", "reservedc4", "reservedc8", "reservedcc", "reservedd0", "reservedd4", "reservedd8", "reserveddc", "reservede0", "reservede4", "reservede8", "reservedec", "reservedf0", "reservedf4", "reservedf8", "reservedfc", /* 0x100 */ "yuvBaseAddress","yuvStride", "reserved108", "reserved10c", "reserved110", "reserved114", "reserved118", "reserved11c", "crc1", "reserved124", "reserved128", "reserved12c", "crc2", "reserved134", "reserved138", "reserved13c" }; /************************************* * * Dithering tables * *************************************/ static const uint8_t dither_matrix_4x4[16] = { 0, 8, 2, 10, 12, 4, 14, 6, 3, 11, 1, 9, 15, 7, 13, 5 }; //static const uint8_t dither_matrix_2x2[16] = //{ // 2, 10, 2, 10, // 14, 6, 14, 6, // 2, 10, 2, 10, // 14, 6, 14, 6 //}; // Using this matrix allows iteagle video memory tests to pass static const uint8_t dither_matrix_2x2[16] = { 8, 10, 8, 10, 11, 9, 11, 9, 8, 10, 8, 10, 11, 9, 11, 9 }; // Dither 4x4 subtraction matrix used in alpha blending static const uint8_t dither_subtract_4x4[16] = { (15 - 0) >> 1, (15 - 8) >> 1, (15 - 2) >> 1, (15 - 10) >> 1, (15 - 12) >> 1, (15 - 4) >> 1, (15 - 14) >> 1, (15 - 6) >> 1, (15 - 3) >> 1, (15 - 11) >> 1, (15 - 1) >> 1, (15 - 9) >> 1, (15 - 15) >> 1, (15 - 7) >> 1, (15 - 13) >> 1, (15 - 5) >> 1 }; // Dither 2x2 subtraction matrix used in alpha blending static const uint8_t dither_subtract_2x2[16] = { (15 - 8) >> 1, (15 - 10) >> 1, (15 - 8) >> 1, (15 - 10) >> 1, (15 - 11) >> 1, (15 - 9) >> 1, (15 - 11) >> 1, (15 - 9) >> 1, (15 - 8) >> 1, (15 - 10) >> 1, (15 - 8) >> 1, (15 - 10) >> 1, (15 - 11) >> 1, (15 - 9) >> 1, (15 - 11) >> 1, (15 - 9) >> 1 }; /************************************* * * Macros for extracting pixels * *************************************/ #define EXTRACT_565_TO_888(val, a, b, c) \ (a) = (((val) >> 8) & 0xf8) | (((val) >> 13) & 0x07); \ (b) = (((val) >> 3) & 0xfc) | (((val) >> 9) & 0x03); \ (c) = (((val) << 3) & 0xf8) | (((val) >> 2) & 0x07); #define EXTRACT_x555_TO_888(val, a, b, c) \ (a) = (((val) >> 7) & 0xf8) | (((val) >> 12) & 0x07); \ (b) = (((val) >> 2) & 0xf8) | (((val) >> 7) & 0x07); \ (c) = (((val) << 3) & 0xf8) | (((val) >> 2) & 0x07); #define EXTRACT_555x_TO_888(val, a, b, c) \ (a) = (((val) >> 8) & 0xf8) | (((val) >> 13) & 0x07); \ (b) = (((val) >> 3) & 0xf8) | (((val) >> 8) & 0x07); \ (c) = (((val) << 2) & 0xf8) | (((val) >> 3) & 0x07); #define EXTRACT_1555_TO_8888(val, a, b, c, d) \ (a) = ((int16_t)(val) >> 15) & 0xff; \ EXTRACT_x555_TO_888(val, b, c, d) #define EXTRACT_5551_TO_8888(val, a, b, c, d) \ EXTRACT_555x_TO_888(val, a, b, c) \ (d) = ((val) & 0x0001) ? 0xff : 0x00; #define EXTRACT_x888_TO_888(val, a, b, c) \ (a) = ((val) >> 16) & 0xff; \ (b) = ((val) >> 8) & 0xff; \ (c) = ((val) >> 0) & 0xff; #define EXTRACT_888x_TO_888(val, a, b, c) \ (a) = ((val) >> 24) & 0xff; \ (b) = ((val) >> 16) & 0xff; \ (c) = ((val) >> 8) & 0xff; #define EXTRACT_8888_TO_8888(val, a, b, c, d) \ (a) = ((val) >> 24) & 0xff; \ (b) = ((val) >> 16) & 0xff; \ (c) = ((val) >> 8) & 0xff; \ (d) = ((val) >> 0) & 0xff; #define EXTRACT_4444_TO_8888(val, a, b, c, d) \ (a) = (((val) >> 8) & 0xf0) | (((val) >> 12) & 0x0f); \ (b) = (((val) >> 4) & 0xf0) | (((val) >> 8) & 0x0f); \ (c) = (((val) >> 0) & 0xf0) | (((val) >> 4) & 0x0f); \ (d) = (((val) << 4) & 0xf0) | (((val) >> 0) & 0x0f); #define EXTRACT_332_TO_888(val, a, b, c) \ (a) = (((val) >> 0) & 0xe0) | (((val) >> 3) & 0x1c) | (((val) >> 6) & 0x03); \ (b) = (((val) << 3) & 0xe0) | (((val) >> 0) & 0x1c) | (((val) >> 3) & 0x03); \ (c) = (((val) << 6) & 0xc0) | (((val) << 4) & 0x30) | (((val) << 2) & 0x0c) | (((val) << 0) & 0x03); /************************************* * * Misc. macros * *************************************/ /* macro for clamping a value between minimum and maximum values */ #define CLAMP(val,min,max) do { if ((val) < (min)) { (val) = (min); } else if ((val) > (max)) { (val) = (max); } } while (0) /* macro to compute the base 2 log for LOD calculations */ #define LOGB2(x) (log((double)(x)) / log(2.0)) /************************************* * * Macros for extracting bitfields * *************************************/ #define INITEN_ENABLE_HW_INIT(val) (((val) >> 0) & 1) #define INITEN_ENABLE_PCI_FIFO(val) (((val) >> 1) & 1) #define INITEN_REMAP_INIT_TO_DAC(val) (((val) >> 2) & 1) #define INITEN_ENABLE_SNOOP0(val) (((val) >> 4) & 1) #define INITEN_SNOOP0_MEMORY_MATCH(val) (((val) >> 5) & 1) #define INITEN_SNOOP0_READWRITE_MATCH(val) (((val) >> 6) & 1) #define INITEN_ENABLE_SNOOP1(val) (((val) >> 7) & 1) #define INITEN_SNOOP1_MEMORY_MATCH(val) (((val) >> 8) & 1) #define INITEN_SNOOP1_READWRITE_MATCH(val) (((val) >> 9) & 1) #define INITEN_SLI_BUS_OWNER(val) (((val) >> 10) & 1) #define INITEN_SLI_ODD_EVEN(val) (((val) >> 11) & 1) #define INITEN_SECONDARY_REV_ID(val) (((val) >> 12) & 0xf) /* voodoo 2 only */ #define INITEN_MFCTR_FAB_ID(val) (((val) >> 16) & 0xf) /* voodoo 2 only */ #define INITEN_ENABLE_PCI_INTERRUPT(val) (((val) >> 20) & 1) /* voodoo 2 only */ #define INITEN_PCI_INTERRUPT_TIMEOUT(val) (((val) >> 21) & 1) /* voodoo 2 only */ #define INITEN_ENABLE_NAND_TREE_TEST(val) (((val) >> 22) & 1) /* voodoo 2 only */ #define INITEN_ENABLE_SLI_ADDRESS_SNOOP(val) (((val) >> 23) & 1) /* voodoo 2 only */ #define INITEN_SLI_SNOOP_ADDRESS(val) (((val) >> 24) & 0xff) /* voodoo 2 only */ #define FBZCP_CC_RGBSELECT(val) (((val) >> 0) & 3) #define FBZCP_CC_ASELECT(val) (((val) >> 2) & 3) #define FBZCP_CC_LOCALSELECT(val) (((val) >> 4) & 1) #define FBZCP_CCA_LOCALSELECT(val) (((val) >> 5) & 3) #define FBZCP_CC_LOCALSELECT_OVERRIDE(val) (((val) >> 7) & 1) #define FBZCP_CC_ZERO_OTHER(val) (((val) >> 8) & 1) #define FBZCP_CC_SUB_CLOCAL(val) (((val) >> 9) & 1) #define FBZCP_CC_MSELECT(val) (((val) >> 10) & 7) #define FBZCP_CC_REVERSE_BLEND(val) (((val) >> 13) & 1) #define FBZCP_CC_ADD_ACLOCAL(val) (((val) >> 14) & 3) #define FBZCP_CC_INVERT_OUTPUT(val) (((val) >> 16) & 1) #define FBZCP_CCA_ZERO_OTHER(val) (((val) >> 17) & 1) #define FBZCP_CCA_SUB_CLOCAL(val) (((val) >> 18) & 1) #define FBZCP_CCA_MSELECT(val) (((val) >> 19) & 7) #define FBZCP_CCA_REVERSE_BLEND(val) (((val) >> 22) & 1) #define FBZCP_CCA_ADD_ACLOCAL(val) (((val) >> 23) & 3) #define FBZCP_CCA_INVERT_OUTPUT(val) (((val) >> 25) & 1) #define FBZCP_CCA_SUBPIXEL_ADJUST(val) (((val) >> 26) & 1) #define FBZCP_TEXTURE_ENABLE(val) (((val) >> 27) & 1) #define FBZCP_RGBZW_CLAMP(val) (((val) >> 28) & 1) /* voodoo 2 only */ #define FBZCP_ANTI_ALIAS(val) (((val) >> 29) & 1) /* voodoo 2 only */ #define ALPHAMODE_ALPHATEST(val) (((val) >> 0) & 1) #define ALPHAMODE_ALPHAFUNCTION(val) (((val) >> 1) & 7) #define ALPHAMODE_ALPHABLEND(val) (((val) >> 4) & 1) #define ALPHAMODE_ANTIALIAS(val) (((val) >> 5) & 1) #define ALPHAMODE_SRCRGBBLEND(val) (((val) >> 8) & 15) #define ALPHAMODE_DSTRGBBLEND(val) (((val) >> 12) & 15) #define ALPHAMODE_SRCALPHABLEND(val) (((val) >> 16) & 15) #define ALPHAMODE_DSTALPHABLEND(val) (((val) >> 20) & 15) #define ALPHAMODE_ALPHAREF(val) (((val) >> 24) & 0xff) #define FOGMODE_ENABLE_FOG(val) (((val) >> 0) & 1) #define FOGMODE_FOG_ADD(val) (((val) >> 1) & 1) #define FOGMODE_FOG_MULT(val) (((val) >> 2) & 1) #define FOGMODE_FOG_ZALPHA(val) (((val) >> 3) & 3) #define FOGMODE_FOG_CONSTANT(val) (((val) >> 5) & 1) #define FOGMODE_FOG_DITHER(val) (((val) >> 6) & 1) /* voodoo 2 only */ #define FOGMODE_FOG_ZONES(val) (((val) >> 7) & 1) /* voodoo 2 only */ #define FBZMODE_ENABLE_CLIPPING(val) (((val) >> 0) & 1) #define FBZMODE_ENABLE_CHROMAKEY(val) (((val) >> 1) & 1) #define FBZMODE_ENABLE_STIPPLE(val) (((val) >> 2) & 1) #define FBZMODE_WBUFFER_SELECT(val) (((val) >> 3) & 1) #define FBZMODE_ENABLE_DEPTHBUF(val) (((val) >> 4) & 1) #define FBZMODE_DEPTH_FUNCTION(val) (((val) >> 5) & 7) #define FBZMODE_ENABLE_DITHERING(val) (((val) >> 8) & 1) #define FBZMODE_RGB_BUFFER_MASK(val) (((val) >> 9) & 1) #define FBZMODE_AUX_BUFFER_MASK(val) (((val) >> 10) & 1) #define FBZMODE_DITHER_TYPE(val) (((val) >> 11) & 1) #define FBZMODE_STIPPLE_PATTERN(val) (((val) >> 12) & 1) #define FBZMODE_ENABLE_ALPHA_MASK(val) (((val) >> 13) & 1) #define FBZMODE_DRAW_BUFFER(val) (((val) >> 14) & 3) #define FBZMODE_ENABLE_DEPTH_BIAS(val) (((val) >> 16) & 1) #define FBZMODE_Y_ORIGIN(val) (((val) >> 17) & 1) #define FBZMODE_ENABLE_ALPHA_PLANES(val) (((val) >> 18) & 1) #define FBZMODE_ALPHA_DITHER_SUBTRACT(val) (((val) >> 19) & 1) #define FBZMODE_DEPTH_SOURCE_COMPARE(val) (((val) >> 20) & 1) #define FBZMODE_DEPTH_FLOAT_SELECT(val) (((val) >> 21) & 1) /* voodoo 2 only */ #define LFBMODE_WRITE_FORMAT(val) (((val) >> 0) & 0xf) #define LFBMODE_WRITE_BUFFER_SELECT(val) (((val) >> 4) & 3) #define LFBMODE_READ_BUFFER_SELECT(val) (((val) >> 6) & 3) #define LFBMODE_ENABLE_PIXEL_PIPELINE(val) (((val) >> 8) & 1) #define LFBMODE_RGBA_LANES(val) (((val) >> 9) & 3) #define LFBMODE_WORD_SWAP_WRITES(val) (((val) >> 11) & 1) #define LFBMODE_BYTE_SWIZZLE_WRITES(val) (((val) >> 12) & 1) #define LFBMODE_Y_ORIGIN(val) (((val) >> 13) & 1) #define LFBMODE_WRITE_W_SELECT(val) (((val) >> 14) & 1) #define LFBMODE_WORD_SWAP_READS(val) (((val) >> 15) & 1) #define LFBMODE_BYTE_SWIZZLE_READS(val) (((val) >> 16) & 1) #define CHROMARANGE_BLUE_EXCLUSIVE(val) (((val) >> 24) & 1) #define CHROMARANGE_GREEN_EXCLUSIVE(val) (((val) >> 25) & 1) #define CHROMARANGE_RED_EXCLUSIVE(val) (((val) >> 26) & 1) #define CHROMARANGE_UNION_MODE(val) (((val) >> 27) & 1) #define CHROMARANGE_ENABLE(val) (((val) >> 28) & 1) #define FBIINIT0_VGA_PASSTHRU(val) (((val) >> 0) & 1) #define FBIINIT0_GRAPHICS_RESET(val) (((val) >> 1) & 1) #define FBIINIT0_FIFO_RESET(val) (((val) >> 2) & 1) #define FBIINIT0_SWIZZLE_REG_WRITES(val) (((val) >> 3) & 1) #define FBIINIT0_STALL_PCIE_FOR_HWM(val) (((val) >> 4) & 1) #define FBIINIT0_PCI_FIFO_LWM(val) (((val) >> 6) & 0x1f) #define FBIINIT0_LFB_TO_MEMORY_FIFO(val) (((val) >> 11) & 1) #define FBIINIT0_TEXMEM_TO_MEMORY_FIFO(val) (((val) >> 12) & 1) #define FBIINIT0_ENABLE_MEMORY_FIFO(val) (((val) >> 13) & 1) #define FBIINIT0_MEMORY_FIFO_HWM(val) (((val) >> 14) & 0x7ff) #define FBIINIT0_MEMORY_FIFO_BURST(val) (((val) >> 25) & 0x3f) #define FBIINIT1_PCI_DEV_FUNCTION(val) (((val) >> 0) & 1) #define FBIINIT1_PCI_WRITE_WAIT_STATES(val) (((val) >> 1) & 1) #define FBIINIT1_MULTI_SST1(val) (((val) >> 2) & 1) /* not on voodoo 2 */ #define FBIINIT1_ENABLE_LFB(val) (((val) >> 3) & 1) #define FBIINIT1_X_VIDEO_TILES(val) (((val) >> 4) & 0xf) #define FBIINIT1_VIDEO_TIMING_RESET(val) (((val) >> 8) & 1) #define FBIINIT1_SOFTWARE_OVERRIDE(val) (((val) >> 9) & 1) #define FBIINIT1_SOFTWARE_HSYNC(val) (((val) >> 10) & 1) #define FBIINIT1_SOFTWARE_VSYNC(val) (((val) >> 11) & 1) #define FBIINIT1_SOFTWARE_BLANK(val) (((val) >> 12) & 1) #define FBIINIT1_DRIVE_VIDEO_TIMING(val) (((val) >> 13) & 1) #define FBIINIT1_DRIVE_VIDEO_BLANK(val) (((val) >> 14) & 1) #define FBIINIT1_DRIVE_VIDEO_SYNC(val) (((val) >> 15) & 1) #define FBIINIT1_DRIVE_VIDEO_DCLK(val) (((val) >> 16) & 1) #define FBIINIT1_VIDEO_TIMING_VCLK(val) (((val) >> 17) & 1) #define FBIINIT1_VIDEO_CLK_2X_DELAY(val) (((val) >> 18) & 3) #define FBIINIT1_VIDEO_TIMING_SOURCE(val) (((val) >> 20) & 3) #define FBIINIT1_ENABLE_24BPP_OUTPUT(val) (((val) >> 22) & 1) #define FBIINIT1_ENABLE_SLI(val) (((val) >> 23) & 1) #define FBIINIT1_X_VIDEO_TILES_BIT5(val) (((val) >> 24) & 1) /* voodoo 2 only */ #define FBIINIT1_ENABLE_EDGE_FILTER(val) (((val) >> 25) & 1) #define FBIINIT1_INVERT_VID_CLK_2X(val) (((val) >> 26) & 1) #define FBIINIT1_VID_CLK_2X_SEL_DELAY(val) (((val) >> 27) & 3) #define FBIINIT1_VID_CLK_DELAY(val) (((val) >> 29) & 3) #define FBIINIT1_DISABLE_FAST_READAHEAD(val) (((val) >> 31) & 1) #define FBIINIT2_DISABLE_DITHER_SUB(val) (((val) >> 0) & 1) #define FBIINIT2_DRAM_BANKING(val) (((val) >> 1) & 1) #define FBIINIT2_ENABLE_TRIPLE_BUF(val) (((val) >> 4) & 1) #define FBIINIT2_ENABLE_FAST_RAS_READ(val) (((val) >> 5) & 1) #define FBIINIT2_ENABLE_GEN_DRAM_OE(val) (((val) >> 6) & 1) #define FBIINIT2_ENABLE_FAST_READWRITE(val) (((val) >> 7) & 1) #define FBIINIT2_ENABLE_PASSTHRU_DITHER(val) (((val) >> 8) & 1) #define FBIINIT2_SWAP_BUFFER_ALGORITHM(val) (((val) >> 9) & 3) #define FBIINIT2_VIDEO_BUFFER_OFFSET(val) (((val) >> 11) & 0x1ff) #define FBIINIT2_ENABLE_DRAM_BANKING(val) (((val) >> 20) & 1) #define FBIINIT2_ENABLE_DRAM_READ_FIFO(val) (((val) >> 21) & 1) #define FBIINIT2_ENABLE_DRAM_REFRESH(val) (((val) >> 22) & 1) #define FBIINIT2_REFRESH_LOAD_VALUE(val) (((val) >> 23) & 0x1ff) #define FBIINIT3_TRI_REGISTER_REMAP(val) (((val) >> 0) & 1) #define FBIINIT3_VIDEO_FIFO_THRESH(val) (((val) >> 1) & 0x1f) #define FBIINIT3_DISABLE_TMUS(val) (((val) >> 6) & 1) #define FBIINIT3_FBI_MEMORY_TYPE(val) (((val) >> 8) & 7) #define FBIINIT3_VGA_PASS_RESET_VAL(val) (((val) >> 11) & 1) #define FBIINIT3_HARDCODE_PCI_BASE(val) (((val) >> 12) & 1) #define FBIINIT3_FBI2TREX_DELAY(val) (((val) >> 13) & 0xf) #define FBIINIT3_TREX2FBI_DELAY(val) (((val) >> 17) & 0x1f) #define FBIINIT3_YORIGIN_SUBTRACT(val) (((val) >> 22) & 0x3ff) #define FBIINIT4_PCI_READ_WAITS(val) (((val) >> 0) & 1) #define FBIINIT4_ENABLE_LFB_READAHEAD(val) (((val) >> 1) & 1) #define FBIINIT4_MEMORY_FIFO_LWM(val) (((val) >> 2) & 0x3f) #define FBIINIT4_MEMORY_FIFO_START_ROW(val) (((val) >> 8) & 0x3ff) #define FBIINIT4_MEMORY_FIFO_STOP_ROW(val) (((val) >> 18) & 0x3ff) #define FBIINIT4_VIDEO_CLOCKING_DELAY(val) (((val) >> 29) & 7) /* voodoo 2 only */ #define FBIINIT5_DISABLE_PCI_STOP(val) (((val) >> 0) & 1) /* voodoo 2 only */ #define FBIINIT5_PCI_SLAVE_SPEED(val) (((val) >> 1) & 1) /* voodoo 2 only */ #define FBIINIT5_DAC_DATA_OUTPUT_WIDTH(val) (((val) >> 2) & 1) /* voodoo 2 only */ #define FBIINIT5_DAC_DATA_17_OUTPUT(val) (((val) >> 3) & 1) /* voodoo 2 only */ #define FBIINIT5_DAC_DATA_18_OUTPUT(val) (((val) >> 4) & 1) /* voodoo 2 only */ #define FBIINIT5_GENERIC_STRAPPING(val) (((val) >> 5) & 0xf) /* voodoo 2 only */ #define FBIINIT5_BUFFER_ALLOCATION(val) (((val) >> 9) & 3) /* voodoo 2 only */ #define FBIINIT5_DRIVE_VID_CLK_SLAVE(val) (((val) >> 11) & 1) /* voodoo 2 only */ #define FBIINIT5_DRIVE_DAC_DATA_16(val) (((val) >> 12) & 1) /* voodoo 2 only */ #define FBIINIT5_VCLK_INPUT_SELECT(val) (((val) >> 13) & 1) /* voodoo 2 only */ #define FBIINIT5_MULTI_CVG_DETECT(val) (((val) >> 14) & 1) /* voodoo 2 only */ #define FBIINIT5_SYNC_RETRACE_READS(val) (((val) >> 15) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_RHBORDER_COLOR(val) (((val) >> 16) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_LHBORDER_COLOR(val) (((val) >> 17) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_BVBORDER_COLOR(val) (((val) >> 18) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_TVBORDER_COLOR(val) (((val) >> 19) & 1) /* voodoo 2 only */ #define FBIINIT5_DOUBLE_HORIZ(val) (((val) >> 20) & 1) /* voodoo 2 only */ #define FBIINIT5_DOUBLE_VERT(val) (((val) >> 21) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_16BIT_GAMMA(val) (((val) >> 22) & 1) /* voodoo 2 only */ #define FBIINIT5_INVERT_DAC_HSYNC(val) (((val) >> 23) & 1) /* voodoo 2 only */ #define FBIINIT5_INVERT_DAC_VSYNC(val) (((val) >> 24) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_24BIT_DACDATA(val) (((val) >> 25) & 1) /* voodoo 2 only */ #define FBIINIT5_ENABLE_INTERLACING(val) (((val) >> 26) & 1) /* voodoo 2 only */ #define FBIINIT5_DAC_DATA_18_CONTROL(val) (((val) >> 27) & 1) /* voodoo 2 only */ #define FBIINIT5_RASTERIZER_UNIT_MODE(val) (((val) >> 30) & 3) /* voodoo 2 only */ #define FBIINIT6_WINDOW_ACTIVE_COUNTER(val) (((val) >> 0) & 7) /* voodoo 2 only */ #define FBIINIT6_WINDOW_DRAG_COUNTER(val) (((val) >> 3) & 0x1f) /* voodoo 2 only */ #define FBIINIT6_SLI_SYNC_MASTER(val) (((val) >> 8) & 1) /* voodoo 2 only */ #define FBIINIT6_DAC_DATA_22_OUTPUT(val) (((val) >> 9) & 3) /* voodoo 2 only */ #define FBIINIT6_DAC_DATA_23_OUTPUT(val) (((val) >> 11) & 3) /* voodoo 2 only */ #define FBIINIT6_SLI_SYNCIN_OUTPUT(val) (((val) >> 13) & 3) /* voodoo 2 only */ #define FBIINIT6_SLI_SYNCOUT_OUTPUT(val) (((val) >> 15) & 3) /* voodoo 2 only */ #define FBIINIT6_DAC_RD_OUTPUT(val) (((val) >> 17) & 3) /* voodoo 2 only */ #define FBIINIT6_DAC_WR_OUTPUT(val) (((val) >> 19) & 3) /* voodoo 2 only */ #define FBIINIT6_PCI_FIFO_LWM_RDY(val) (((val) >> 21) & 0x7f) /* voodoo 2 only */ #define FBIINIT6_VGA_PASS_N_OUTPUT(val) (((val) >> 28) & 3) /* voodoo 2 only */ #define FBIINIT6_X_VIDEO_TILES_BIT0(val) (((val) >> 30) & 1) /* voodoo 2 only */ #define FBIINIT7_GENERIC_STRAPPING(val) (((val) >> 0) & 0xff) /* voodoo 2 only */ #define FBIINIT7_CMDFIFO_ENABLE(val) (((val) >> 8) & 1) /* voodoo 2 only */ #define FBIINIT7_CMDFIFO_MEMORY_STORE(val) (((val) >> 9) & 1) /* voodoo 2 only */ #define FBIINIT7_DISABLE_CMDFIFO_HOLES(val) (((val) >> 10) & 1) /* voodoo 2 only */ #define FBIINIT7_CMDFIFO_READ_THRESH(val) (((val) >> 11) & 0x1f) /* voodoo 2 only */ #define FBIINIT7_SYNC_CMDFIFO_WRITES(val) (((val) >> 16) & 1) /* voodoo 2 only */ #define FBIINIT7_SYNC_CMDFIFO_READS(val) (((val) >> 17) & 1) /* voodoo 2 only */ #define FBIINIT7_RESET_PCI_PACKER(val) (((val) >> 18) & 1) /* voodoo 2 only */ #define FBIINIT7_ENABLE_CHROMA_STUFF(val) (((val) >> 19) & 1) /* voodoo 2 only */ #define FBIINIT7_CMDFIFO_PCI_TIMEOUT(val) (((val) >> 20) & 0x7f) /* voodoo 2 only */ #define FBIINIT7_ENABLE_TEXTURE_BURST(val) (((val) >> 27) & 1) /* voodoo 2 only */ #define TEXMODE_ENABLE_PERSPECTIVE(val) (((val) >> 0) & 1) #define TEXMODE_MINIFICATION_FILTER(val) (((val) >> 1) & 1) #define TEXMODE_MAGNIFICATION_FILTER(val) (((val) >> 2) & 1) #define TEXMODE_CLAMP_NEG_W(val) (((val) >> 3) & 1) #define TEXMODE_ENABLE_LOD_DITHER(val) (((val) >> 4) & 1) #define TEXMODE_NCC_TABLE_SELECT(val) (((val) >> 5) & 1) #define TEXMODE_CLAMP_S(val) (((val) >> 6) & 1) #define TEXMODE_CLAMP_T(val) (((val) >> 7) & 1) #define TEXMODE_FORMAT(val) (((val) >> 8) & 0xf) #define TEXMODE_TC_ZERO_OTHER(val) (((val) >> 12) & 1) #define TEXMODE_TC_SUB_CLOCAL(val) (((val) >> 13) & 1) #define TEXMODE_TC_MSELECT(val) (((val) >> 14) & 7) #define TEXMODE_TC_REVERSE_BLEND(val) (((val) >> 17) & 1) #define TEXMODE_TC_ADD_ACLOCAL(val) (((val) >> 18) & 3) #define TEXMODE_TC_INVERT_OUTPUT(val) (((val) >> 20) & 1) #define TEXMODE_TCA_ZERO_OTHER(val) (((val) >> 21) & 1) #define TEXMODE_TCA_SUB_CLOCAL(val) (((val) >> 22) & 1) #define TEXMODE_TCA_MSELECT(val) (((val) >> 23) & 7) #define TEXMODE_TCA_REVERSE_BLEND(val) (((val) >> 26) & 1) #define TEXMODE_TCA_ADD_ACLOCAL(val) (((val) >> 27) & 3) #define TEXMODE_TCA_INVERT_OUTPUT(val) (((val) >> 29) & 1) #define TEXMODE_TRILINEAR(val) (((val) >> 30) & 1) #define TEXMODE_SEQ_8_DOWNLD(val) (((val) >> 31) & 1) #define TEXLOD_LODMIN(val) (((val) >> 0) & 0x3f) #define TEXLOD_LODMAX(val) (((val) >> 6) & 0x3f) #define TEXLOD_LODBIAS(val) (((val) >> 12) & 0x3f) #define TEXLOD_LOD_ODD(val) (((val) >> 18) & 1) #define TEXLOD_LOD_TSPLIT(val) (((val) >> 19) & 1) #define TEXLOD_LOD_S_IS_WIDER(val) (((val) >> 20) & 1) #define TEXLOD_LOD_ASPECT(val) (((val) >> 21) & 3) #define TEXLOD_LOD_ZEROFRAC(val) (((val) >> 23) & 1) #define TEXLOD_TMULTIBASEADDR(val) (((val) >> 24) & 1) #define TEXLOD_TDATA_SWIZZLE(val) (((val) >> 25) & 1) #define TEXLOD_TDATA_SWAP(val) (((val) >> 26) & 1) #define TEXLOD_TDIRECT_WRITE(val) (((val) >> 27) & 1) /* Voodoo 2 only */ #define TEXDETAIL_DETAIL_MAX(val) (((val) >> 0) & 0xff) #define TEXDETAIL_DETAIL_BIAS(val) (((val) >> 8) & 0x3f) #define TEXDETAIL_DETAIL_SCALE(val) (((val) >> 14) & 7) #define TEXDETAIL_RGB_MIN_FILTER(val) (((val) >> 17) & 1) /* Voodoo 2 only */ #define TEXDETAIL_RGB_MAG_FILTER(val) (((val) >> 18) & 1) /* Voodoo 2 only */ #define TEXDETAIL_ALPHA_MIN_FILTER(val) (((val) >> 19) & 1) /* Voodoo 2 only */ #define TEXDETAIL_ALPHA_MAG_FILTER(val) (((val) >> 20) & 1) /* Voodoo 2 only */ #define TEXDETAIL_SEPARATE_RGBA_FILTER(val) (((val) >> 21) & 1) /* Voodoo 2 only */ #define TREXINIT_SEND_TMU_CONFIG(val) (((val) >> 18) & 1) struct rgba { #ifdef LSB_FIRST uint8_t b, g, r, a; #else uint8_t a, r, g, b; #endif }; union voodoo_reg { int32_t i; uint32_t u; float f; rgba rgb; }; /*************************************************************************** CONSTANTS ***************************************************************************/ /* enumeration specifying which model of Voodoo we are emulating */ enum { TYPE_VOODOO_1, TYPE_VOODOO_2, TYPE_VOODOO_BANSHEE, TYPE_VOODOO_3 }; #define STD_VOODOO_1_CLOCK 50000000 #define STD_VOODOO_2_CLOCK 90000000 #define STD_VOODOO_BANSHEE_CLOCK 90000000 #define STD_VOODOO_3_CLOCK 132000000 /*************************************************************************** FUNCTION PROTOTYPES ***************************************************************************/ /* ----- device interface ----- */ class voodoo_device : public device_t { public: ~voodoo_device(); void set_fbmem(int value) { m_fbmem = value; } void set_tmumem(int value1, int value2) { m_tmumem0 = value1; m_tmumem1 = value2; } template void set_screen_tag(T &&tag) { m_screen_finder.set_tag(std::forward(tag)); } template void set_cpu_tag(T &&tag) { m_cpu_finder.set_tag(std::forward(tag)); } auto vblank_callback() { return m_vblank.bind(); } auto stall_callback() { return m_stall.bind(); } auto pciint_callback() { return m_pciint.bind(); } void set_screen(screen_device &screen) { assert(!m_screen); m_screen = &screen; } void set_cpu(cpu_device &cpu) { assert(!m_cpu); m_cpu = &cpu; } u32 voodoo_r(offs_t offset); void voodoo_w(offs_t offset, u32 data, u32 mem_mask = ~0); uint8_t m_fbmem; uint8_t m_tmumem0; uint8_t m_tmumem1; devcb_write_line m_vblank; devcb_write_line m_stall; // This is for internally generated PCI interrupts in Voodoo3 devcb_write_line m_pciint; TIMER_CALLBACK_MEMBER( vblank_off_callback ); TIMER_CALLBACK_MEMBER( stall_cpu_callback ); TIMER_CALLBACK_MEMBER( vblank_callback ); void voodoo_postload(); int voodoo_update(bitmap_rgb32 &bitmap, const rectangle &cliprect); int voodoo_get_type(); int voodoo_is_stalled(); void voodoo_set_init_enable(uint32_t newval); protected: voodoo_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint8_t vdt); // device-level overrides virtual void device_resolve_objects() override; virtual void device_start() override; virtual void device_stop() override; virtual void device_reset() override; struct tmu_shared_state; struct voodoo_stats { uint8_t lastkey; // last key state uint8_t display; // display stats? int32_t swaps; // total swaps int32_t stalls; // total stalls int32_t total_triangles; // total triangles int32_t total_pixels_in; // total pixels in int32_t total_pixels_out; // total pixels out int32_t total_chroma_fail; // total chroma fail int32_t total_zfunc_fail; // total z func fail int32_t total_afunc_fail; // total a func fail int32_t total_clipped; // total clipped int32_t total_stippled; // total stippled int32_t lfb_writes; // LFB writes int32_t lfb_reads; // LFB reads int32_t reg_writes; // register writes int32_t reg_reads; // register reads int32_t tex_writes; // texture writes int32_t texture_mode[16]; // 16 different texture modes uint8_t render_override; // render override char buffer[1024]; // string }; /* note that this structure is an even 64 bytes long */ struct stats_block { int32_t pixels_in; // pixels in statistic int32_t pixels_out; // pixels out statistic int32_t chroma_fail; // chroma test fail statistic int32_t zfunc_fail; // z function test fail statistic int32_t afunc_fail; // alpha function test fail statistic int32_t clip_fail; // clipping fail statistic int32_t stipple_count; // stipple statistic int32_t filler[64/4 - 7]; // pad this structure to 64 bytes }; struct fifo_state { void reset() { in = out = 0; } void add(uint32_t data); uint32_t remove(); uint32_t peek() { return base[out]; } bool empty() const { return in == out; } bool full() const { return ((in + 1) == out) || ((in == (size - 1)) && (out == 0)); } int32_t items() const; int32_t space() const { return size - 1 - items(); } uint32_t * base; // base of the FIFO int32_t size; // size of the FIFO int32_t in; // input pointer int32_t out; // output pointer }; struct cmdfifo_info { uint8_t enable; // enabled? uint8_t count_holes; // count holes? uint32_t base; // base address in framebuffer RAM uint32_t end; // end address in framebuffer RAM uint32_t rdptr; // current read pointer uint32_t amin; // minimum address uint32_t amax; // maximum address uint32_t depth; // current depth uint32_t holes; // number of holes }; struct pci_state { fifo_state fifo; // PCI FIFO uint32_t init_enable; // initEnable value uint8_t stall_state; // state of the system if we're stalled uint8_t op_pending; // true if an operation is pending attotime op_end_time; // time when the pending operation ends emu_timer * continue_timer; // timer to use to continue processing uint32_t fifo_mem[64*2]; // memory backing the PCI FIFO }; struct tmu_state { class stw_t; void recompute_texture_params(); void init(uint8_t vdt, tmu_shared_state &share, voodoo_reg *r, void *memory, int tmem); int32_t prepare(); static int32_t new_log2(double &value, const int &offset); rgbaint_t genTexture(int32_t x, const uint8_t *dither4, const uint32_t TEXMODE, rgb_t *LOOKUP, int32_t LODBASE, const stw_t &iterstw, int32_t &lod); rgbaint_t combineTexture(const uint32_t TEXMODE, const rgbaint_t& c_local, const rgbaint_t& c_other, int32_t lod); struct ncc_table { void write(offs_t regnum, uint32_t data); void update(); uint8_t dirty; // is the texel lookup dirty? voodoo_reg * reg; // pointer to our registers int32_t ir[4], ig[4], ib[4]; // I values for R,G,B int32_t qr[4], qg[4], qb[4]; // Q values for R,G,B int32_t y[16]; // Y values rgb_t * palette; // pointer to associated RGB palette rgb_t * palettea; // pointer to associated ARGB palette rgb_t texel[256]; // texel lookup }; uint8_t * ram; // pointer to our RAM uint32_t mask; // mask to apply to pointers voodoo_reg * reg; // pointer to our register base uint32_t regdirty; // true if the LOD/mode/base registers have changed uint32_t texaddr_mask; // mask for texture address uint8_t texaddr_shift; // shift for texture address int64_t starts, startt; // starting S,T (14.18) int64_t startw; // starting W (2.30) int64_t dsdx, dtdx; // delta S,T per X int64_t dwdx; // delta W per X int64_t dsdy, dtdy; // delta S,T per Y int64_t dwdy; // delta W per Y int32_t lodmin, lodmax; // min, max LOD values int32_t lodbias; // LOD bias uint32_t lodmask; // mask of available LODs uint32_t lodoffset[9]; // offset of texture base for each LOD int32_t detailmax; // detail clamp int32_t detailbias; // detail bias uint8_t detailscale; // detail scale uint32_t wmask; // mask for the current texture width uint32_t hmask; // mask for the current texture height uint32_t bilinear_mask; // mask for bilinear resolution (0xf0 for V1, 0xff for V2) ncc_table ncc[2]; // two NCC tables rgb_t * lookup; // currently selected lookup rgb_t * texel[16]; // texel lookups for each format rgb_t palette[256]; // palette lookup table rgb_t palettea[256]; // palette+alpha lookup table }; struct tmu_shared_state { void init(); rgb_t rgb332[256]; // RGB 3-3-2 lookup table rgb_t alpha8[256]; // alpha 8-bit lookup table rgb_t int8[256]; // intensity 8-bit lookup table rgb_t ai44[256]; // alpha, intensity 4-4 lookup table rgb_t* rgb565; // RGB 5-6-5 lookup table rgb_t argb1555[65536]; // ARGB 1-5-5-5 lookup table rgb_t argb4444[65536]; // ARGB 4-4-4-4 lookup table }; struct fbi_state { struct setup_vertex { float x, y; // X, Y coordinates float z, wb; // Z and broadcast W values float r, g, b, a; // A, R, G, B values float s0, t0, w0; // W, S, T for TMU 0 float s1, t1, w1; // W, S, T for TMU 1 }; uint8_t * ram; // pointer to frame buffer RAM uint32_t mask; // mask to apply to pointers uint32_t rgboffs[3]; // word offset to 3 RGB buffers uint32_t auxoffs; // word offset to 1 aux buffer uint8_t frontbuf; // front buffer index uint8_t backbuf; // back buffer index uint8_t swaps_pending; // number of pending swaps uint8_t video_changed; // did the frontbuffer video change? uint32_t yorigin; // Y origin subtract value uint32_t lfb_base; // base of LFB in memory uint8_t lfb_stride; // stride of LFB accesses in bits uint32_t width; // width of current frame buffer uint32_t height; // height of current frame buffer uint32_t xoffs; // horizontal offset (back porch) uint32_t yoffs; // vertical offset (back porch) uint32_t vsyncstart; // vertical sync start scanline uint32_t vsyncstop; // veritcal sync stop uint32_t rowpixels; // pixels per row uint32_t tile_width; // width of video tiles uint32_t tile_height; // height of video tiles uint32_t x_tiles; // number of tiles in the X direction emu_timer * vsync_stop_timer; // VBLANK End timer emu_timer * vsync_start_timer; // VBLANK timer uint8_t vblank; // VBLANK state uint8_t vblank_count; // number of VBLANKs since last swap uint8_t vblank_swap_pending; // a swap is pending, waiting for a vblank uint8_t vblank_swap; // swap when we hit this count uint8_t vblank_dont_swap; // don't actually swap when we hit this point /* triangle setup info */ uint8_t cheating_allowed; // allow cheating? int32_t sign; // triangle sign int16_t ax, ay; // vertex A x,y (12.4) int16_t bx, by; // vertex B x,y (12.4) int16_t cx, cy; // vertex C x,y (12.4) int32_t startr, startg, startb, starta; // starting R,G,B,A (12.12) int32_t startz; // starting Z (20.12) int64_t startw; // starting W (16.32) int32_t drdx, dgdx, dbdx, dadx; // delta R,G,B,A per X int32_t dzdx; // delta Z per X int64_t dwdx; // delta W per X int32_t drdy, dgdy, dbdy, dady; // delta R,G,B,A per Y int32_t dzdy; // delta Z per Y int64_t dwdy; // delta W per Y stats_block lfb_stats; // LFB-access statistics uint8_t sverts; // number of vertices ready */ setup_vertex svert[3]; // 3 setup vertices */ fifo_state fifo; // framebuffer memory fifo */ cmdfifo_info cmdfifo[2]; // command FIFOs */ uint8_t fogblend[64]; // 64-entry fog table */ uint8_t fogdelta[64]; // 64-entry fog table */ uint8_t fogdelta_mask; // mask for for delta (0xff for V1, 0xfc for V2) */ rgb_t pen[65536]; // mapping from pixels to pens */ rgb_t clut[512]; // clut gamma data */ uint8_t clut_dirty; // do we need to recompute? */ rgb_t rgb565[65536]; // RGB 5-6-5 lookup table */ }; struct dac_state { void data_w(uint8_t regum, uint8_t data); void data_r(uint8_t regnum); uint8_t reg[8]; // 8 registers uint8_t read_result; // pending read result }; struct raster_info { uint32_t compute_hash() const; raster_info * next; // pointer to next entry with the same hash poly_draw_scanline_func callback; // callback pointer bool is_generic; // true if this is one of the generic rasterizers uint8_t display; // display index uint32_t hits; // how many hits (pixels) we've used this for uint32_t polys; // how many polys we've used this for uint32_t eff_color_path; // effective fbzColorPath value uint32_t eff_alpha_mode; // effective alphaMode value uint32_t eff_fog_mode; // effective fogMode value uint32_t eff_fbz_mode; // effective fbzMode value uint32_t eff_tex_mode_0; // effective textureMode value for TMU #0 uint32_t eff_tex_mode_1; // effective textureMode value for TMU #1 uint32_t hash; }; struct poly_extra_data; struct banshee_info { uint32_t io[0x40]; // I/O registers uint32_t agp[0x80]; // AGP registers uint8_t vga[0x20]; // VGA registers uint8_t crtc[0x27]; // VGA CRTC registers uint8_t seq[0x05]; // VGA sequencer registers uint8_t gc[0x05]; // VGA graphics controller registers uint8_t att[0x15]; // VGA attribute registers uint8_t attff; // VGA attribute flip-flop uint32_t blt_regs[0x20]; // 2D Blitter registers uint32_t blt_dst_base; uint32_t blt_dst_x; uint32_t blt_dst_y; uint32_t blt_dst_width; uint32_t blt_dst_height; uint32_t blt_dst_stride; uint32_t blt_dst_bpp; uint32_t blt_cmd; uint32_t blt_src_base; uint32_t blt_src_x; uint32_t blt_src_y; uint32_t blt_src_width; uint32_t blt_src_height; uint32_t blt_src_stride; uint32_t blt_src_bpp; }; static const raster_info predef_raster_table[]; // not all of these need to be static, review. void check_stalled_cpu(attotime current_time); static void flush_fifos( voodoo_device* vd, attotime current_time); static void init_fbi(voodoo_device *vd, fbi_state *f, void *memory, int fbmem); static int32_t register_w(voodoo_device *vd, offs_t offset, uint32_t data); static int32_t swapbuffer(voodoo_device *vd, uint32_t data); static int32_t lfb_w(voodoo_device *vd, offs_t offset, uint32_t data, uint32_t mem_mask); static int32_t texture_w(voodoo_device *vd, offs_t offset, uint32_t data); int32_t lfb_direct_w(offs_t offset, uint32_t data, uint32_t mem_mask); static int32_t banshee_2d_w(voodoo_device *vd, offs_t offset, uint32_t data); void stall_cpu(int state, attotime current_time); void soft_reset(); void recompute_video_memory(); void adjust_vblank_timer(); static int32_t fastfill(voodoo_device *vd); static int32_t triangle(voodoo_device *vd); static int32_t begin_triangle(voodoo_device *vd); static int32_t draw_triangle(voodoo_device *vd); static int32_t setup_and_draw_triangle(voodoo_device *vd); static int32_t triangle_create_work_item(voodoo_device* vd,uint16_t *drawbuf, int texcount); static raster_info *add_rasterizer(voodoo_device *vd, const raster_info *cinfo); static raster_info *find_rasterizer(voodoo_device *vd, int texcount); static void dump_rasterizer_stats(voodoo_device *vd); void accumulate_statistics(const stats_block &block); void update_statistics(bool accumulate); void reset_counters(); static uint32_t register_r(voodoo_device *vd, offs_t offset); static void swap_buffers(voodoo_device *vd); int cmdfifo_compute_expected_depth(cmdfifo_info &f); static uint32_t cmdfifo_execute(voodoo_device *vd, cmdfifo_info *f); int32_t cmdfifo_execute_if_ready(cmdfifo_info &f); static void cmdfifo_w(voodoo_device *vd, cmdfifo_info *f, offs_t offset, uint32_t data); static void init_save_state(voodoo_device *vd); static void raster_fastfill(void *dest, int32_t scanline, const poly_extent *extent, const void *extradata, int threadid); static void raster_generic_0tmu(void *dest, int32_t scanline, const poly_extent *extent, const void *extradata, int threadid); static void raster_generic_1tmu(void *dest, int32_t scanline, const poly_extent *extent, const void *extradata, int threadid); static void raster_generic_2tmu(void *dest, int32_t scanline, const poly_extent *extent, const void *extradata, int threadid); #define RASTERIZER_HEADER(name) \ static void raster_##name(void *destbase, int32_t y, const poly_extent *extent, const void *extradata, int threadid); #define RASTERIZER_ENTRY(fbzcp, alpha, fog, fbz, tex0, tex1) \ RASTERIZER_HEADER(fbzcp##_##alpha##_##fog##_##fbz##_##tex0##_##tex1) #include "voodoo_rast.ipp" #undef RASTERIZER_ENTRY static bool chromaKeyTest(voodoo_device *vd, stats_block *stats, uint32_t fbzModeReg, rgbaint_t rgaIntColor); static bool alphaMaskTest(stats_block *stats, uint32_t fbzModeReg, uint8_t alpha); static bool alphaTest(uint8_t alpharef, stats_block *stats, uint32_t alphaModeReg, uint8_t alpha); static bool depthTest(uint16_t zaColorReg, stats_block *stats, int32_t destDepth, uint32_t fbzModeReg, int32_t biasdepth); static bool combineColor(voodoo_device *vd, stats_block *STATS, uint32_t FBZCOLORPATH, uint32_t FBZMODE, rgbaint_t TEXELARGB, int32_t ITERZ, int64_t ITERW, rgbaint_t &srcColor); // FIXME: this stuff should not be public public: optional_device m_screen_finder; // the screen we are acting on optional_device m_cpu_finder; // the CPU we interact with uint8_t index; // index of board screen_device * m_screen; // the screen we are acting on cpu_device * m_cpu; // the CPU we interact with const uint8_t vd_type; // type of system uint8_t chipmask; // mask for which chips are available uint32_t freq; // operating frequency attoseconds_t attoseconds_per_cycle; // attoseconds per cycle uint32_t extra_cycles; // extra cycles not yet accounted for int trigger; // trigger used for stalling voodoo_reg reg[0x400]; // raw registers const uint8_t * regaccess; // register access array const char *const * regnames; // register names array uint8_t alt_regmap; // enable alternate register map? pci_state pci; // PCI state dac_state dac; // DAC state fbi_state fbi; // FBI states tmu_state tmu[MAX_TMU]; // TMU states tmu_shared_state tmushare; // TMU shared state banshee_info banshee; // Banshee state legacy_poly_manager * poly; // polygon manager stats_block * thread_stats; // per-thread statistics voodoo_stats stats; // internal statistics offs_t last_status_pc; // PC of last status description (for logging) uint32_t last_status_value; // value of last status read (for logging) int next_rasterizer; // next rasterizer index raster_info rasterizer[MAX_RASTERIZERS]; // array of rasterizers raster_info * raster_hash[RASTER_HASH_SIZE]; // hash table of rasterizers bool send_config; uint32_t tmu_config; }; class voodoo_1_device : public voodoo_device { public: voodoo_1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; class voodoo_2_device : public voodoo_device { public: voodoo_2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; class voodoo_banshee_device : public voodoo_device { public: voodoo_banshee_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); u32 banshee_r(offs_t offset, u32 mem_mask = ~0); void banshee_w(offs_t offset, u32 data, u32 mem_mask = ~0); u32 banshee_fb_r(offs_t offset); void banshee_fb_w(offs_t offset, u32 data, u32 mem_mask = ~0); u32 banshee_io_r(offs_t offset, u32 mem_mask = ~0); void banshee_io_w(offs_t offset, u32 data, u32 mem_mask = ~0); u32 banshee_rom_r(offs_t offset); u8 banshee_vga_r(offs_t offset); void banshee_vga_w(offs_t offset, u8 data); protected: voodoo_banshee_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint8_t vdt); // device-level overrides u32 banshee_agp_r(offs_t offset); void banshee_agp_w(offs_t offset, u32 data, u32 mem_mask = ~0); }; class voodoo_3_device : public voodoo_banshee_device { public: voodoo_3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; DECLARE_DEVICE_TYPE(VOODOO_1, voodoo_1_device) DECLARE_DEVICE_TYPE(VOODOO_2, voodoo_2_device) DECLARE_DEVICE_TYPE(VOODOO_BANSHEE, voodoo_banshee_device) DECLARE_DEVICE_TYPE(VOODOO_3, voodoo_3_device) // use SSE on 64-bit implementations, where it can be assumed #if 1 && ((!defined(MAME_DEBUG) || defined(__OPTIMIZE__)) && (defined(__SSE2__) || defined(_MSC_VER)) && defined(PTR64)) #include #ifdef __SSE4_1__ #include #endif class voodoo_device::tmu_state::stw_t { public: stw_t() { } stw_t(const stw_t& other) = default; stw_t &operator=(const stw_t& other) = default; void set(s64 s, s64 t, s64 w) { m_st = _mm_set_pd(s, t); m_w = _mm_set1_pd(w); } int is_w_neg() const { return _mm_comilt_sd(m_w, _mm_set1_pd(0.0)); } void get_st_shiftr(s32 &s, s32 &t, const s32 &shift) const { s64 tmpS = _mm_cvtsd_si64(_mm_shuffle_pd(m_st, _mm_setzero_pd(), 1)); s = tmpS >> shift; s64 tmpT = _mm_cvtsd_si64(m_st); t = tmpT >> shift; } void add(const stw_t& other) { m_st = _mm_add_pd(m_st, other.m_st); m_w = _mm_add_pd(m_w, other.m_w); } void calc_stow(s32 &sow, s32 &tow, int32_t &oowlog) const { __m128d tmp = _mm_div_pd(m_st, m_w); // Allow for 8 bits of decimal in integer tmp = _mm_mul_pd(tmp, _mm_set1_pd(256.0)); __m128i tmp2 = _mm_cvttpd_epi32(tmp); #ifdef __SSE4_1__ sow = _mm_extract_epi32(tmp2, 1); tow = _mm_extract_epi32(tmp2, 0); #else sow = _mm_cvtsi128_si32(_mm_shuffle_epi32(tmp2, _MM_SHUFFLE(0, 0, 0, 1))); tow = _mm_cvtsi128_si32(tmp2); #endif double dW = _mm_cvtsd_f64(m_w); oowlog = -new_log2(dW, 0); } private: __m128d m_st; __m128d m_w; }; #else class voodoo_device::tmu_state::stw_t { public: stw_t() {} stw_t(const stw_t& other) = default; stw_t &operator=(const stw_t& other) = default; void set(s64 s, s64 t, s64 w) { m_s = s; m_t = t; m_w = w; } int is_w_neg() const { return (m_w < 0) ? 1 : 0; } void get_st_shiftr(s32 &s, s32 &t, const s32 &shift) const { s = m_s >> shift; t = m_t >> shift; } inline void add(const stw_t& other) { m_s += other.m_s; m_t += other.m_t; m_w += other.m_w; } // Computes s/w and t/w and returns log2 of 1/w // s, t and c are 16.32 values. The results are 24.8. inline void calc_stow(s32 &sow, s32 &tow, int32_t &oowlog) const { double recip = double(1ULL << (47 - 39)) / m_w; double resAD = m_s * recip; double resBD = m_t * recip; oowlog = new_log2(recip, 56); sow = resAD; tow = resBD; } private: s64 m_s, m_t, m_w; }; #endif #endif // MAME_VIDEO_VOODOO_H