diff options
Diffstat (limited to 'src/emu/video/vooddefs.h')
-rw-r--r-- | src/emu/video/vooddefs.h | 3632 |
1 files changed, 3632 insertions, 0 deletions
diff --git a/src/emu/video/vooddefs.h b/src/emu/video/vooddefs.h new file mode 100644 index 00000000000..374df64e76b --- /dev/null +++ b/src/emu/video/vooddefs.h @@ -0,0 +1,3632 @@ +/************************************************************************* + + 3dfx Voodoo Graphics SST-1/2 emulator + + emulator by Aaron Giles + +**************************************************************************/ + + +/************************************* + * + * Misc. constants + * + *************************************/ + +/* enumeration describing reasons we might be stalled */ +enum +{ + NOT_STALLED = 0, + STALLED_UNTIL_FIFO_LWM, + STALLED_UNTIL_FIFO_EMPTY +}; + +/* 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 status (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 */ + + + +/************************************* + * + * Alias map of the first 64 + * registers when remapped + * + *************************************/ + +static const UINT8 register_alias_map[0x40] = +{ + status, 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 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 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 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 *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 *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 *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 *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 dither_matrix_4x4[16] = +{ + 0, 8, 2, 10, + 12, 4, 14, 6, + 3, 11, 1, 9, + 15, 7, 13, 5 +}; + +static const UINT8 dither_matrix_2x2[16] = +{ + 2, 10, 2, 10, + 14, 6, 14, 6, + 2, 10, 2, 10, + 14, 6, 14, 6 +}; + + + +/************************************* + * + * 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)(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) & 0xc0) | (((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 */ + + + +/************************************* + * + * Core types + * + *************************************/ + +typedef struct _voodoo_state voodoo_state; +typedef struct _poly_extra_data poly_extra_data; + + +typedef struct _rgba rgba; +struct _rgba +{ +#ifdef LSB_FIRST + UINT8 b, g, r, a; +#else + UINT8 a, r, g, b; +#endif +}; + + +typedef union _voodoo_reg voodoo_reg; +union _voodoo_reg +{ + INT32 i; + UINT32 u; + float f; + rgba rgb; +}; + + +typedef voodoo_reg rgb_union; + + +typedef struct _voodoo_stats voodoo_stats; +struct _voodoo_stats +{ + UINT8 lastkey; /* last key state */ + UINT8 display; /* display stats? */ + INT32 swaps; /* total swaps */ + INT32 stalls; /* total stalls */ + INT32 total_triangles; /* total triangles */ + INT32 total_pixels_in; /* total pixels in */ + INT32 total_pixels_out; /* total pixels out */ + INT32 total_chroma_fail; /* total chroma fail */ + INT32 total_zfunc_fail; /* total z func fail */ + INT32 total_afunc_fail; /* total a func fail */ + INT32 total_clipped; /* total clipped */ + INT32 total_stippled; /* total stippled */ + INT32 lfb_writes; /* LFB writes */ + INT32 lfb_reads; /* LFB reads */ + INT32 reg_writes; /* register writes */ + INT32 reg_reads; /* register reads */ + INT32 tex_writes; /* texture writes */ + INT32 texture_mode[16]; /* 16 different texture modes */ + UINT8 render_override; /* render override */ + char buffer[1024]; /* string */ +}; + + +/* note that this structure is an even 64 bytes long */ +typedef struct _stats_block stats_block; +struct _stats_block +{ + INT32 pixels_in; /* pixels in statistic */ + INT32 pixels_out; /* pixels out statistic */ + INT32 chroma_fail; /* chroma test fail statistic */ + INT32 zfunc_fail; /* z function test fail statistic */ + INT32 afunc_fail; /* alpha function test fail statistic */ + INT32 clip_fail; /* clipping fail statistic */ + INT32 stipple_count; /* stipple statistic */ + INT32 filler[64/4 - 7]; /* pad this structure to 64 bytes */ +}; + + +typedef struct _fifo_state fifo_state; +struct _fifo_state +{ + UINT32 * base; /* base of the FIFO */ + INT32 size; /* size of the FIFO */ + INT32 in; /* input pointer */ + INT32 out; /* output pointer */ +}; + + +typedef struct _cmdfifo_info cmdfifo_info; +struct _cmdfifo_info +{ + UINT8 enable; /* enabled? */ + UINT8 count_holes; /* count holes? */ + UINT32 base; /* base address in framebuffer RAM */ + UINT32 end; /* end address in framebuffer RAM */ + UINT32 rdptr; /* current read pointer */ + UINT32 amin; /* minimum address */ + UINT32 amax; /* maximum address */ + UINT32 depth; /* current depth */ + UINT32 holes; /* number of holes */ +}; + + +typedef struct _pci_state pci_state; +struct _pci_state +{ + fifo_state fifo; /* PCI FIFO */ + UINT32 init_enable; /* initEnable value */ + UINT8 stall_state; /* state of the system if we're stalled */ + void (*stall_callback)(int); /* callback for stalling/unstalling */ + UINT8 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 fifo_mem[64*2]; /* memory backing the PCI FIFO */ +}; + + +typedef struct _ncc_table ncc_table; +struct _ncc_table +{ + UINT8 dirty; /* is the texel lookup dirty? */ + voodoo_reg *reg; /* pointer to our registers */ + INT32 ir[4], ig[4], ib[4]; /* I values for R,G,B */ + INT32 qr[4], qg[4], qb[4]; /* Q values for R,G,B */ + INT32 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 */ +}; + + +typedef struct _tmu_state tmu_state; +struct _tmu_state +{ + UINT8 * ram; /* pointer to our RAM */ + UINT32 mask; /* mask to apply to pointers */ + voodoo_reg *reg; /* pointer to our register base */ + UINT32 regdirty; /* true if the LOD/mode/base registers have changed */ + + UINT32 texaddr_mask; /* mask for texture address */ + UINT8 texaddr_shift; /* shift for texture address */ + + INT64 starts, startt; /* starting S,T (14.18) */ + INT64 startw; /* starting W (2.30) */ + INT64 dsdx, dtdx; /* delta S,T per X */ + INT64 dwdx; /* delta W per X */ + INT64 dsdy, dtdy; /* delta S,T per Y */ + INT64 dwdy; /* delta W per Y */ + + INT32 lodmin, lodmax; /* min, max LOD values */ + INT32 lodbias; /* LOD bias */ + UINT32 lodmask; /* mask of available LODs */ + UINT32 lodoffset[9]; /* offset of texture base for each LOD */ + INT32 detailmax; /* detail clamp */ + INT32 detailbias; /* detail bias */ + UINT8 detailscale; /* detail scale */ + + UINT32 wmask; /* mask for the current texture width */ + UINT32 hmask; /* mask for the current texture height */ + + UINT32 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 */ +}; + + +typedef struct _tmu_shared_state tmu_shared_state; +struct _tmu_shared_state +{ + 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[65536]; /* 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 */ +}; + + +typedef struct _setup_vertex setup_vertex; +struct _setup_vertex +{ + float x, y; /* X, Y coordinates */ + float a, r, g, b; /* A, R, G, B values */ + float z, wb; /* Z and broadcast W values */ + float w0, s0, t0; /* W, S, T for TMU 0 */ + float w1, s1, t1; /* W, S, T for TMU 1 */ +}; + + +typedef struct _fbi_state fbi_state; +struct _fbi_state +{ + void * ram; /* pointer to frame buffer RAM */ + UINT32 mask; /* mask to apply to pointers */ + UINT16 * rgb[3]; /* pointer to 3 RGB buffers */ + UINT16 * aux; /* pointer to 1 aux buffer */ + UINT32 rgbmax[3]; /* maximum valid offset in each RGB buffer */ + UINT32 auxmax; /* maximum valid offset in the aux buffer */ + + UINT8 frontbuf; /* front buffer index */ + UINT8 backbuf; /* back buffer index */ + UINT8 swaps_pending; /* number of pending swaps */ + UINT8 video_changed; /* did the frontbuffer video change? */ + + UINT32 yorigin; /* Y origin subtract value */ + UINT32 lfb_base; /* base of LFB in memory */ + UINT8 lfb_stride; /* stride of LFB accesses in bits */ + + UINT32 width; /* width of current frame buffer */ + UINT32 height; /* height of current frame buffer */ + UINT32 xoffs; /* horizontal offset (back porch) */ + UINT32 yoffs; /* vertical offset (back porch) */ + UINT32 vsyncscan; /* vertical sync scanline */ + UINT32 rowpixels; /* pixels per row */ + UINT32 tile_width; /* width of video tiles */ + UINT32 tile_height; /* height of video tiles */ + UINT32 x_tiles; /* number of tiles in the X direction */ + + emu_timer * vblank_timer; /* VBLANK timer */ + UINT8 vblank; /* VBLANK state */ + UINT8 vblank_count; /* number of VBLANKs since last swap */ + UINT8 vblank_swap_pending; /* a swap is pending, waiting for a vblank */ + UINT8 vblank_swap; /* swap when we hit this count */ + UINT8 vblank_dont_swap; /* don't actually swap when we hit this point */ + void (*vblank_client)(int); /* client callback */ + + /* triangle setup info */ + UINT8 cheating_allowed; /* allow cheating? */ + INT32 sign; /* triangle sign */ + INT16 ax, ay; /* vertex A x,y (12.4) */ + INT16 bx, by; /* vertex B x,y (12.4) */ + INT16 cx, cy; /* vertex C x,y (12.4) */ + INT32 startr, startg, startb, starta; /* starting R,G,B,A (12.12) */ + INT32 startz; /* starting Z (20.12) */ + INT64 startw; /* starting W (16.32) */ + INT32 drdx, dgdx, dbdx, dadx; /* delta R,G,B,A per X */ + INT32 dzdx; /* delta Z per X */ + INT64 dwdx; /* delta W per X */ + INT32 drdy, dgdy, dbdy, dady; /* delta R,G,B,A per Y */ + INT32 dzdy; /* delta Z per Y */ + INT64 dwdy; /* delta W per Y */ + + stats_block lfb_stats; /* LFB-access statistics */ + + UINT8 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 fogblend[64]; /* 64-entry fog table */ + UINT8 fogdelta[64]; /* 64-entry fog table */ + UINT8 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 clut_dirty; /* do we need to recompute? */ +}; + + +typedef struct _dac_state dac_state; +struct _dac_state +{ + UINT8 reg[8]; /* 8 registers */ + UINT8 read_result; /* pending read result */ +}; + + +typedef struct _raster_info raster_info; +struct _raster_info +{ + struct _raster_info *next; /* pointer to next entry with the same hash */ + poly_draw_scanline callback; /* callback pointer */ + UINT8 is_generic; /* TRUE if this is one of the generic rasterizers */ + UINT8 display; /* display index */ + UINT32 hits; /* how many hits (pixels) we've used this for */ + UINT32 polys; /* how many polys we've used this for */ + UINT32 eff_color_path; /* effective fbzColorPath value */ + UINT32 eff_alpha_mode; /* effective alphaMode value */ + UINT32 eff_fog_mode; /* effective fogMode value */ + UINT32 eff_fbz_mode; /* effective fbzMode value */ + UINT32 eff_tex_mode_0; /* effective textureMode value for TMU #0 */ + UINT32 eff_tex_mode_1; /* effective textureMode value for TMU #1 */ +}; + + +struct _poly_extra_data +{ + voodoo_state *state; /* pointer back to the voodoo state */ + raster_info *info; /* pointer to rasterizer information */ + + INT16 ax, ay; /* vertex A x,y (12.4) */ + INT32 startr, startg, startb, starta; /* starting R,G,B,A (12.12) */ + INT32 startz; /* starting Z (20.12) */ + INT64 startw; /* starting W (16.32) */ + INT32 drdx, dgdx, dbdx, dadx; /* delta R,G,B,A per X */ + INT32 dzdx; /* delta Z per X */ + INT64 dwdx; /* delta W per X */ + INT32 drdy, dgdy, dbdy, dady; /* delta R,G,B,A per Y */ + INT32 dzdy; /* delta Z per Y */ + INT64 dwdy; /* delta W per Y */ + + INT64 starts0, startt0; /* starting S,T (14.18) */ + INT64 startw0; /* starting W (2.30) */ + INT64 ds0dx, dt0dx; /* delta S,T per X */ + INT64 dw0dx; /* delta W per X */ + INT64 ds0dy, dt0dy; /* delta S,T per Y */ + INT64 dw0dy; /* delta W per Y */ + INT32 lodbase0; /* used during rasterization */ + + INT64 starts1, startt1; /* starting S,T (14.18) */ + INT64 startw1; /* starting W (2.30) */ + INT64 ds1dx, dt1dx; /* delta S,T per X */ + INT64 dw1dx; /* delta W per X */ + INT64 ds1dy, dt1dy; /* delta S,T per Y */ + INT64 dw1dy; /* delta W per Y */ + INT32 lodbase1; /* used during rasterization */ + + UINT16 dither[16]; /* dither matrix, for fastfill */ +}; + + +typedef struct _banshee_info banshee_info; +struct _banshee_info +{ + UINT32 io[0x40]; /* I/O registers */ + UINT32 agp[0x80]; /* AGP registers */ + UINT8 vga[0x20]; /* VGA registers */ + UINT8 crtc[0x27]; /* VGA CRTC registers */ + UINT8 seq[0x05]; /* VGA sequencer registers */ + UINT8 gc[0x05]; /* VGA graphics controller registers */ + UINT8 att[0x15]; /* VGA attribute registers */ + UINT8 attff; /* VGA attribute flip-flop */ +}; + + +/* typedef struct _voodoo_state voodoo_state; -- declared above */ +struct _voodoo_state +{ + UINT8 index; /* index of board */ + UINT8 scrnum; /* the screen we are acting on */ + UINT8 type; /* type of system */ + UINT8 chipmask; /* mask for which chips are available */ + UINT32 freq; /* operating frequency */ + attoseconds_t attoseconds_per_cycle;/* attoseconds per cycle */ + UINT32 extra_cycles; /* extra cycles not yet accounted for */ + int trigger; /* trigger used for stalling */ + + voodoo_reg reg[0x400]; /* raw registers */ + const UINT8 *regaccess; /* register access array */ + const char **regnames; /* register names array */ + UINT8 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 */ + + 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 read (for logging) */ + UINT32 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 */ +}; + + + +/************************************* + * + * Inline FIFO management + * + *************************************/ + +INLINE void fifo_reset(fifo_state *f) +{ + f->in = f->out = 0; +} + + +INLINE void fifo_add(fifo_state *f, UINT32 data) +{ + INT32 next_in; + + /* compute the value of 'in' after we add this item */ + next_in = f->in + 1; + if (next_in >= f->size) + next_in = 0; + + /* as long as it's not equal to the output pointer, we can do it */ + if (next_in != f->out) + { + f->base[f->in] = data; + f->in = next_in; + } +} + + +INLINE UINT32 fifo_remove(fifo_state *f) +{ + UINT32 data = 0xffffffff; + + /* as long as we have data, we can do it */ + if (f->out != f->in) + { + INT32 next_out; + + /* fetch the data */ + data = f->base[f->out]; + + /* advance the output pointer */ + next_out = f->out + 1; + if (next_out >= f->size) + next_out = 0; + f->out = next_out; + } + return data; +} + + +INLINE UINT32 fifo_peek(fifo_state *f) +{ + return f->base[f->out]; +} + + +INLINE int fifo_empty(fifo_state *f) +{ + return (f->in == f->out); +} + + +INLINE int fifo_full(fifo_state *f) +{ + return (f->in + 1 == f->out || (f->in == f->size - 1 && f->out == 0)); +} + + +INLINE INT32 fifo_items(fifo_state *f) +{ + INT32 items = f->in - f->out; + if (items < 0) + items += f->size; + return items; +} + + +INLINE INT32 fifo_space(fifo_state *f) +{ + INT32 items = f->in - f->out; + if (items < 0) + items += f->size; + return f->size - 1 - items; +} + + + +/************************************* + * + * Computes a fast 16.16 reciprocal + * of a 16.32 value; used for + * computing 1/w in the rasterizer. + * + * Since it is trivial to also + * compute log2(1/w) = -log2(w) at + * the same time, we do that as well + * to 16.8 precision for LOD + * calculations. + * + * On a Pentium M, this routine is + * 20% faster than a 64-bit integer + * divide and also produces the log + * for free. + * + *************************************/ + +INLINE INT32 fast_reciplog(INT64 value, INT32 *log2) +{ + extern UINT32 reciplog[]; + UINT32 temp, recip, rlog; + UINT32 interp; + UINT32 *table; + int neg = FALSE; + int lz, exp = 0; + + /* always work with unsigned numbers */ + if (value < 0) + { + value = -value; + neg = TRUE; + } + + /* if we've spilled out of 32 bits, push it down under 32 */ + if (value & U64(0xffff00000000)) + { + temp = (UINT32)(value >> 16); + exp -= 16; + } + else + temp = (UINT32)value; + + /* if the resulting value is 0, the reciprocal is infinite */ + if (UNEXPECTED(temp == 0)) + { + *log2 = 1000 << LOG_OUTPUT_PREC; + return neg ? 0x80000000 : 0x7fffffff; + } + + /* determine how many leading zeros in the value and shift it up high */ + lz = count_leading_zeros(temp); + temp <<= lz; + exp += lz; + + /* compute a pointer to the table entries we want */ + /* math is a bit funny here because we shift one less than we need to in order */ + /* to account for the fact that there are two UINT32's per table entry */ + table = &reciplog[(temp >> (31 - RECIPLOG_LOOKUP_BITS - 1)) & ((2 << RECIPLOG_LOOKUP_BITS) - 2)]; + + /* compute the interpolation value */ + interp = (temp >> (31 - RECIPLOG_LOOKUP_BITS - 8)) & 0xff; + + /* do a linear interpolatation between the two nearest table values */ + /* for both the log and the reciprocal */ + rlog = (table[1] * (0x100 - interp) + table[3] * interp) >> 8; + recip = (table[0] * (0x100 - interp) + table[2] * interp) >> 8; + + /* the log result is the fractional part of the log; round it to the output precision */ + rlog = (rlog + (1 << (RECIPLOG_LOOKUP_PREC - LOG_OUTPUT_PREC - 1))) >> (RECIPLOG_LOOKUP_PREC - LOG_OUTPUT_PREC); + + /* the exponent is the non-fractional part of the log; normally, we would subtract it from rlog */ + /* but since we want the log(1/value) = -log(value), we subtract rlog from the exponent */ + *log2 = ((exp - (31 - RECIPLOG_INPUT_PREC)) << LOG_OUTPUT_PREC) - rlog; + + /* adjust the exponent to account for all the reciprocal-related parameters to arrive at a final shift amount */ + exp += (RECIP_OUTPUT_PREC - RECIPLOG_LOOKUP_PREC) - (31 - RECIPLOG_INPUT_PREC); + + /* shift by the exponent */ + if (exp < 0) + recip >>= -exp; + else + recip <<= exp; + + /* on the way out, apply the original sign to the reciprocal */ + return neg ? -recip : recip; +} + + + +/************************************* + * + * Float-to-int conversions + * + *************************************/ + +INLINE INT32 float_to_int32(UINT32 data, int fixedbits) +{ + int exponent = ((data >> 23) & 0xff) - 127 - 23 + fixedbits; + INT32 result = (data & 0x7fffff) | 0x800000; + if (exponent < 0) + { + if (exponent > -32) + result >>= -exponent; + else + result = 0; + } + else + { + if (exponent < 32) + result <<= exponent; + else + result = 0x7fffffff; + } + if (data & 0x80000000) + result = -result; + return result; +} + + +INLINE INT64 float_to_int64(UINT32 data, int fixedbits) +{ + int exponent = ((data >> 23) & 0xff) - 127 - 23 + fixedbits; + INT64 result = (data & 0x7fffff) | 0x800000; + if (exponent < 0) + { + if (exponent > -64) + result >>= -exponent; + else + result = 0; + } + else + { + if (exponent < 64) + result <<= exponent; + else + result = U64(0x7fffffffffffffff); + } + if (data & 0x80000000) + result = -result; + return result; +} + + + +/************************************* + * + * Rasterizer inlines + * + *************************************/ + +INLINE UINT32 normalize_color_path(UINT32 eff_color_path) +{ + /* ignore the subpixel adjust and texture enable flags */ + eff_color_path &= ~((1 << 26) | (1 << 27)); + + return eff_color_path; +} + + +INLINE UINT32 normalize_alpha_mode(UINT32 eff_alpha_mode) +{ + /* always ignore alpha ref value */ + eff_alpha_mode &= ~(0xff << 24); + + /* if not doing alpha testing, ignore the alpha function and ref value */ + if (!ALPHAMODE_ALPHATEST(eff_alpha_mode)) + eff_alpha_mode &= ~(7 << 1); + + /* if not doing alpha blending, ignore the source and dest blending factors */ + if (!ALPHAMODE_ALPHABLEND(eff_alpha_mode)) + eff_alpha_mode &= ~((15 << 8) | (15 << 12) | (15 << 16) | (15 << 20)); + + return eff_alpha_mode; +} + + +INLINE UINT32 normalize_fog_mode(UINT32 eff_fog_mode) +{ + /* if not doing fogging, ignore all the other fog bits */ + if (!FOGMODE_ENABLE_FOG(eff_fog_mode)) + eff_fog_mode = 0; + + return eff_fog_mode; +} + + +INLINE UINT32 normalize_fbz_mode(UINT32 eff_fbz_mode) +{ + /* ignore the draw buffer */ + eff_fbz_mode &= ~(3 << 14); + + return eff_fbz_mode; +} + + +INLINE UINT32 normalize_tex_mode(UINT32 eff_tex_mode) +{ + /* ignore the NCC table and seq_8_downld flags */ + eff_tex_mode &= ~((1 << 5) | (1 << 31)); + + /* classify texture formats into 3 format categories */ + if (TEXMODE_FORMAT(eff_tex_mode) < 8) + eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (0 << 8); + else if (TEXMODE_FORMAT(eff_tex_mode) >= 10 && TEXMODE_FORMAT(eff_tex_mode) <= 12) + eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (10 << 8); + else + eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (8 << 8); + + return eff_tex_mode; +} + + +INLINE UINT32 compute_raster_hash(const raster_info *info) +{ + UINT32 hash; + + /* make a hash */ + hash = info->eff_color_path; + hash = (hash << 1) | (hash >> 31); + hash ^= info->eff_fbz_mode; + hash = (hash << 1) | (hash >> 31); + hash ^= info->eff_alpha_mode; + hash = (hash << 1) | (hash >> 31); + hash ^= info->eff_fog_mode; + hash = (hash << 1) | (hash >> 31); + hash ^= info->eff_tex_mode_0; + hash = (hash << 1) | (hash >> 31); + hash ^= info->eff_tex_mode_1; + + return hash % RASTER_HASH_SIZE; +} + + + +/************************************* + * + * Dithering macros + * + *************************************/ + +/* note that these equations and the dither matrixes have + been confirmed to be exact matches to the real hardware */ +#define DITHER_RB(val,dith) ((((val) << 1) - ((val) >> 4) + ((val) >> 7) + (dith)) >> 1) +#define DITHER_G(val,dith) ((((val) << 2) - ((val) >> 4) + ((val) >> 6) + (dith)) >> 2) + +#define DECLARE_DITHER_POINTERS \ + const UINT8 *dither_lookup = NULL; \ + const UINT8 *dither4 = NULL; \ + const UINT8 *dither = NULL \ + +#define COMPUTE_DITHER_POINTERS(FBZMODE, YY) \ +do \ +{ \ + /* compute the dithering pointers */ \ + if (FBZMODE_ENABLE_DITHERING(FBZMODE)) \ + { \ + dither4 = &dither_matrix_4x4[((YY) & 3) * 4]; \ + if (FBZMODE_DITHER_TYPE(FBZMODE) == 0) \ + { \ + dither = dither4; \ + dither_lookup = &dither4_lookup[(YY & 3) << 11]; \ + } \ + else \ + { \ + dither = &dither_matrix_2x2[((YY) & 3) * 4]; \ + dither_lookup = &dither2_lookup[(YY & 3) << 11]; \ + } \ + } \ +} \ +while (0) + +#define APPLY_DITHER(FBZMODE, XX, DITHER_LOOKUP, RR, GG, BB) \ +do \ +{ \ + /* apply dithering */ \ + if (FBZMODE_ENABLE_DITHERING(FBZMODE)) \ + { \ + /* look up the dither value from the appropriate matrix */ \ + const UINT8 *dith = &DITHER_LOOKUP[((XX) & 3) << 1]; \ + \ + /* apply dithering to R,G,B */ \ + (RR) = dith[((RR) << 3) + 0]; \ + (GG) = dith[((GG) << 3) + 1]; \ + (BB) = dith[((BB) << 3) + 0]; \ + } \ + else \ + { \ + (RR) >>= 3; \ + (GG) >>= 2; \ + (BB) >>= 3; \ + } \ +} \ +while (0) + + + +/************************************* + * + * Clamping macros + * + *************************************/ + +#define CLAMPED_ARGB(ITERR, ITERG, ITERB, ITERA, FBZCP, RESULT) \ +do \ +{ \ + INT32 r = (INT32)(ITERR) >> 12; \ + INT32 g = (INT32)(ITERG) >> 12; \ + INT32 b = (INT32)(ITERB) >> 12; \ + INT32 a = (INT32)(ITERA) >> 12; \ + \ + if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \ + { \ + r &= 0xfff; \ + RESULT.rgb.r = r; \ + if (r == 0xfff) \ + RESULT.rgb.r = 0; \ + else if (r == 0x100) \ + RESULT.rgb.r = 0xff; \ + \ + g &= 0xfff; \ + RESULT.rgb.g = g; \ + if (g == 0xfff) \ + RESULT.rgb.g = 0; \ + else if (g == 0x100) \ + RESULT.rgb.g = 0xff; \ + \ + b &= 0xfff; \ + RESULT.rgb.b = b; \ + if (b == 0xfff) \ + RESULT.rgb.b = 0; \ + else if (b == 0x100) \ + RESULT.rgb.b = 0xff; \ + \ + a &= 0xfff; \ + RESULT.rgb.a = a; \ + if (a == 0xfff) \ + RESULT.rgb.a = 0; \ + else if (a == 0x100) \ + RESULT.rgb.a = 0xff; \ + } \ + else \ + { \ + RESULT.rgb.r = (r < 0) ? 0 : (r > 0xff) ? 0xff : r; \ + RESULT.rgb.g = (g < 0) ? 0 : (g > 0xff) ? 0xff : g; \ + RESULT.rgb.b = (b < 0) ? 0 : (b > 0xff) ? 0xff : b; \ + RESULT.rgb.a = (a < 0) ? 0 : (a > 0xff) ? 0xff : a; \ + } \ +} \ +while (0) + + +#define CLAMPED_Z(ITERZ, FBZCP, RESULT) \ +do \ +{ \ + (RESULT) = (INT32)(ITERZ) >> 12; \ + if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \ + { \ + (RESULT) &= 0xfffff; \ + if ((RESULT) == 0xfffff) \ + (RESULT) = 0; \ + else if ((RESULT) == 0x10000) \ + (RESULT) = 0xffff; \ + else \ + (RESULT) &= 0xffff; \ + } \ + else \ + { \ + CLAMP((RESULT), 0, 0xffff); \ + } \ +} \ +while (0) + + +#define CLAMPED_W(ITERW, FBZCP, RESULT) \ +do \ +{ \ + (RESULT) = (INT16)((ITERW) >> 32); \ + if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \ + { \ + (RESULT) &= 0xffff; \ + if ((RESULT) == 0xffff) \ + (RESULT) = 0; \ + else if ((RESULT) == 0x100) \ + (RESULT) = 0xff; \ + (RESULT) &= 0xff; \ + } \ + else \ + { \ + CLAMP((RESULT), 0, 0xff); \ + } \ +} \ +while (0) + + + +/************************************* + * + * Chroma keying macro + * + *************************************/ + +#define APPLY_CHROMAKEY(VV, STATS, FBZMODE, COLOR) \ +do \ +{ \ + if (FBZMODE_ENABLE_CHROMAKEY(FBZMODE)) \ + { \ + /* non-range version */ \ + if (!CHROMARANGE_ENABLE((VV)->reg[chromaRange].u)) \ + { \ + if (((COLOR.u ^ (VV)->reg[chromaKey].u) & 0xffffff) == 0) \ + { \ + (STATS)->chroma_fail++; \ + goto skipdrawdepth; \ + } \ + } \ + \ + /* tricky range version */ \ + else \ + { \ + INT32 low, high, test; \ + int results = 0; \ + \ + /* check blue */ \ + low = (VV)->reg[chromaKey].rgb.b; \ + high = (VV)->reg[chromaRange].rgb.b; \ + test = COLOR.rgb.b; \ + results = (test >= low && test <= high); \ + results ^= CHROMARANGE_BLUE_EXCLUSIVE((VV)->reg[chromaRange].u); \ + results <<= 1; \ + \ + /* check green */ \ + low = (VV)->reg[chromaKey].rgb.g; \ + high = (VV)->reg[chromaRange].rgb.g; \ + test = COLOR.rgb.g; \ + results |= (test >= low && test <= high); \ + results ^= CHROMARANGE_GREEN_EXCLUSIVE((VV)->reg[chromaRange].u); \ + results <<= 1; \ + \ + /* check red */ \ + low = (VV)->reg[chromaKey].rgb.r; \ + high = (VV)->reg[chromaRange].rgb.r; \ + test = COLOR.rgb.r; \ + results |= (test >= low && test <= high); \ + results ^= CHROMARANGE_RED_EXCLUSIVE((VV)->reg[chromaRange].u); \ + \ + /* final result */ \ + if (CHROMARANGE_UNION_MODE((VV)->reg[chromaRange].u)) \ + { \ + if (results != 0) \ + { \ + (STATS)->chroma_fail++; \ + goto skipdrawdepth; \ + } \ + } \ + else \ + { \ + if (results == 7) \ + { \ + (STATS)->chroma_fail++; \ + goto skipdrawdepth; \ + } \ + } \ + } \ + } \ +} \ +while (0) + + + +/************************************* + * + * Alpha masking macro + * + *************************************/ + +#define APPLY_ALPHAMASK(VV, STATS, FBZMODE, AA) \ +do \ +{ \ + if (FBZMODE_ENABLE_ALPHA_MASK(FBZMODE)) \ + { \ + if (((AA) & 1) == 0) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + } \ +} \ +while (0) + + + +/************************************* + * + * Alpha testing macro + * + *************************************/ + +#define APPLY_ALPHATEST(VV, STATS, ALPHAMODE, AA) \ +do \ +{ \ + if (ALPHAMODE_ALPHATEST(ALPHAMODE)) \ + { \ + UINT8 alpharef = (VV)->reg[alphaMode].rgb.a; \ + switch (ALPHAMODE_ALPHAFUNCTION(ALPHAMODE)) \ + { \ + case 0: /* alphaOP = never */ \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + \ + case 1: /* alphaOP = less than */ \ + if ((AA) >= alpharef) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 2: /* alphaOP = equal */ \ + if ((AA) != alpharef) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 3: /* alphaOP = less than or equal */ \ + if ((AA) > alpharef) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 4: /* alphaOP = greater than */ \ + if ((AA) <= alpharef) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 5: /* alphaOP = not equal */ \ + if ((AA) == alpharef) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 6: /* alphaOP = greater than or equal */ \ + if ((AA) < alpharef) \ + { \ + (STATS)->afunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 7: /* alphaOP = always */ \ + break; \ + } \ + } \ +} \ +while (0) + + + +/************************************* + * + * Alpha blending macro + * + *************************************/ + +#define APPLY_ALPHA_BLEND(FBZMODE, ALPHAMODE, XX, DITHER, RR, GG, BB, AA) \ +do \ +{ \ + if (ALPHAMODE_ALPHABLEND(ALPHAMODE)) \ + { \ + int dpix = dest[XX]; \ + int dr = (dpix >> 8) & 0xf8; \ + int dg = (dpix >> 3) & 0xfc; \ + int db = (dpix << 3) & 0xf8; \ + int da = FBZMODE_ENABLE_ALPHA_PLANES(FBZMODE) ? depth[XX] : 0xff; \ + int sr = (RR); \ + int sg = (GG); \ + int sb = (BB); \ + int sa = (AA); \ + int ta; \ + \ + /* apply dither subtraction */ \ + if (FBZMODE_ALPHA_DITHER_SUBTRACT(FBZMODE)) \ + { \ + /* look up the dither value from the appropriate matrix */ \ + int dith = DITHER[(XX) & 3]; \ + \ + /* subtract the dither value */ \ + dr = ((dr << 1) + 15 - dith) >> 1; \ + dg = ((dg << 2) + 15 - dith) >> 2; \ + db = ((db << 1) + 15 - dith) >> 1; \ + } \ + \ + /* compute source portion */ \ + switch (ALPHAMODE_SRCRGBBLEND(ALPHAMODE)) \ + { \ + default: /* reserved */ \ + case 0: /* AZERO */ \ + (RR) = (GG) = (BB) = 0; \ + break; \ + \ + case 1: /* ASRC_ALPHA */ \ + (RR) = (sr * (sa + 1)) >> 8; \ + (GG) = (sg * (sa + 1)) >> 8; \ + (BB) = (sb * (sa + 1)) >> 8; \ + break; \ + \ + case 2: /* A_COLOR */ \ + (RR) = (sr * (dr + 1)) >> 8; \ + (GG) = (sg * (dg + 1)) >> 8; \ + (BB) = (sb * (db + 1)) >> 8; \ + break; \ + \ + case 3: /* ADST_ALPHA */ \ + (RR) = (sr * (da + 1)) >> 8; \ + (GG) = (sg * (da + 1)) >> 8; \ + (BB) = (sb * (da + 1)) >> 8; \ + break; \ + \ + case 4: /* AONE */ \ + break; \ + \ + case 5: /* AOMSRC_ALPHA */ \ + (RR) = (sr * (0x100 - sa)) >> 8; \ + (GG) = (sg * (0x100 - sa)) >> 8; \ + (BB) = (sb * (0x100 - sa)) >> 8; \ + break; \ + \ + case 6: /* AOM_COLOR */ \ + (RR) = (sr * (0x100 - dr)) >> 8; \ + (GG) = (sg * (0x100 - dg)) >> 8; \ + (BB) = (sb * (0x100 - db)) >> 8; \ + break; \ + \ + case 7: /* AOMDST_ALPHA */ \ + (RR) = (sr * (0x100 - da)) >> 8; \ + (GG) = (sg * (0x100 - da)) >> 8; \ + (BB) = (sb * (0x100 - da)) >> 8; \ + break; \ + \ + case 15: /* ASATURATE */ \ + ta = (sa < (0x100 - da)) ? sa : (0x100 - da); \ + (RR) = (sr * (ta + 1)) >> 8; \ + (GG) = (sg * (ta + 1)) >> 8; \ + (BB) = (sb * (ta + 1)) >> 8; \ + break; \ + } \ + \ + /* add in dest portion */ \ + switch (ALPHAMODE_DSTRGBBLEND(ALPHAMODE)) \ + { \ + default: /* reserved */ \ + case 0: /* AZERO */ \ + break; \ + \ + case 1: /* ASRC_ALPHA */ \ + (RR) += (dr * (sa + 1)) >> 8; \ + (GG) += (dg * (sa + 1)) >> 8; \ + (BB) += (db * (sa + 1)) >> 8; \ + break; \ + \ + case 2: /* A_COLOR */ \ + (RR) += (dr * (sr + 1)) >> 8; \ + (GG) += (dg * (sg + 1)) >> 8; \ + (BB) += (db * (sb + 1)) >> 8; \ + break; \ + \ + case 3: /* ADST_ALPHA */ \ + (RR) += (dr * (da + 1)) >> 8; \ + (GG) += (dg * (da + 1)) >> 8; \ + (BB) += (db * (da + 1)) >> 8; \ + break; \ + \ + case 4: /* AONE */ \ + (RR) += dr; \ + (GG) += dg; \ + (BB) += db; \ + break; \ + \ + case 5: /* AOMSRC_ALPHA */ \ + (RR) += (dr * (0x100 - sa)) >> 8; \ + (GG) += (dg * (0x100 - sa)) >> 8; \ + (BB) += (db * (0x100 - sa)) >> 8; \ + break; \ + \ + case 6: /* AOM_COLOR */ \ + (RR) += (dr * (0x100 - sr)) >> 8; \ + (GG) += (dg * (0x100 - sg)) >> 8; \ + (BB) += (db * (0x100 - sb)) >> 8; \ + break; \ + \ + case 7: /* AOMDST_ALPHA */ \ + (RR) += (dr * (0x100 - da)) >> 8; \ + (GG) += (dg * (0x100 - da)) >> 8; \ + (BB) += (db * (0x100 - da)) >> 8; \ + break; \ + \ + case 15: /* A_COLORBEFOREFOG */ \ + (RR) += (dr * (prefogr + 1)) >> 8; \ + (GG) += (dg * (prefogg + 1)) >> 8; \ + (BB) += (db * (prefogb + 1)) >> 8; \ + break; \ + } \ + \ + /* blend the source alpha */ \ + (AA) = 0; \ + if (ALPHAMODE_SRCALPHABLEND(ALPHAMODE) == 4) \ + (AA) = sa; \ + \ + /* blend the dest alpha */ \ + if (ALPHAMODE_DSTALPHABLEND(ALPHAMODE) == 4) \ + (AA) += da; \ + \ + /* clamp */ \ + CLAMP((RR), 0x00, 0xff); \ + CLAMP((GG), 0x00, 0xff); \ + CLAMP((BB), 0x00, 0xff); \ + CLAMP((AA), 0x00, 0xff); \ + } \ +} \ +while (0) + + + +/************************************* + * + * Fogging macro + * + *************************************/ + +#define APPLY_FOGGING(VV, FOGMODE, FBZCP, XX, DITHER4, RR, GG, BB, ITERZ, ITERW, ITERAXXX) \ +do \ +{ \ + if (FOGMODE_ENABLE_FOG(FOGMODE)) \ + { \ + rgb_union fogcolor = (VV)->reg[fogColor]; \ + INT32 fr, fg, fb; \ + \ + /* constant fog bypasses everything else */ \ + if (FOGMODE_FOG_CONSTANT(FOGMODE)) \ + { \ + fr = fogcolor.rgb.r; \ + fg = fogcolor.rgb.g; \ + fb = fogcolor.rgb.b; \ + } \ + \ + /* non-constant fog comes from several sources */ \ + else \ + { \ + INT32 fogblend = 0; \ + \ + /* if fog_add is zero, we start with the fog color */ \ + if (FOGMODE_FOG_ADD(FOGMODE) == 0) \ + { \ + fr = fogcolor.rgb.r; \ + fg = fogcolor.rgb.g; \ + fb = fogcolor.rgb.b; \ + } \ + else \ + fr = fg = fb = 0; \ + \ + /* if fog_mult is zero, we subtract the incoming color */ \ + if (FOGMODE_FOG_MULT(FOGMODE) == 0) \ + { \ + fr -= (RR); \ + fg -= (GG); \ + fb -= (BB); \ + } \ + \ + /* fog blending mode */ \ + switch (FOGMODE_FOG_ZALPHA(FOGMODE)) \ + { \ + case 0: /* fog table */ \ + { \ + INT32 delta = (VV)->fbi.fogdelta[wfloat >> 10]; \ + INT32 deltaval; \ + \ + /* perform the multiply against lower 8 bits of wfloat */ \ + deltaval = (delta & (VV)->fbi.fogdelta_mask) * \ + ((wfloat >> 2) & 0xff); \ + \ + /* fog zones allow for negating this value */ \ + if (FOGMODE_FOG_ZONES(FOGMODE) && (delta & 2)) \ + deltaval = -deltaval; \ + deltaval >>= 6; \ + \ + /* apply dither */ \ + if (FOGMODE_FOG_DITHER(FOGMODE)) \ + deltaval += DITHER4[(XX) & 3]; \ + deltaval >>= 4; \ + \ + /* add to the blending factor */ \ + fogblend = (VV)->fbi.fogblend[wfloat >> 10] + deltaval; \ + break; \ + } \ + \ + case 1: /* iterated A */ \ + fogblend = ITERAXXX.rgb.a; \ + break; \ + \ + case 2: /* iterated Z */ \ + CLAMPED_Z((ITERZ), FBZCP, fogblend); \ + fogblend >>= 8; \ + break; \ + \ + case 3: /* iterated W - Voodoo 2 only */ \ + CLAMPED_W((ITERW), FBZCP, fogblend); \ + break; \ + } \ + \ + /* perform the blend */ \ + fogblend++; \ + fr = (fr * fogblend) >> 8; \ + fg = (fg * fogblend) >> 8; \ + fb = (fb * fogblend) >> 8; \ + } \ + \ + /* if fog_mult is 0, we add this to the original color */ \ + if (FOGMODE_FOG_MULT(FOGMODE) == 0) \ + { \ + (RR) += fr; \ + (GG) += fg; \ + (BB) += fb; \ + } \ + \ + /* otherwise this just becomes the new color */ \ + else \ + { \ + (RR) = fr; \ + (GG) = fg; \ + (BB) = fb; \ + } \ + \ + /* clamp */ \ + CLAMP((RR), 0x00, 0xff); \ + CLAMP((GG), 0x00, 0xff); \ + CLAMP((BB), 0x00, 0xff); \ + } \ +} \ +while (0) + + + +/************************************* + * + * Texture pipeline macro + * + *************************************/ + +#define TEXTURE_PIPELINE(TT, XX, DITHER4, TEXMODE, COTHER, LOOKUP, LODBASE, ITERS, ITERT, ITERW, RESULT) \ +do \ +{ \ + INT32 blendr, blendg, blendb, blenda; \ + INT32 tr, tg, tb, ta; \ + INT32 oow, s, t, lod, ilod; \ + INT32 smax, tmax; \ + UINT32 texbase; \ + rgb_union c_local; \ + \ + /* determine the S/T/LOD values for this texture */ \ + if (TEXMODE_ENABLE_PERSPECTIVE(TEXMODE)) \ + { \ + oow = fast_reciplog((ITERW), &lod); \ + s = ((INT64)oow * (ITERS)) >> 29; \ + t = ((INT64)oow * (ITERT)) >> 29; \ + lod += (LODBASE); \ + } \ + else \ + { \ + s = (ITERS) >> 14; \ + t = (ITERT) >> 14; \ + lod = (LODBASE); \ + } \ + \ + /* clamp W */ \ + if (TEXMODE_CLAMP_NEG_W(TEXMODE) && (ITERW) < 0) \ + s = t = 0; \ + \ + /* clamp the LOD */ \ + lod += (TT)->lodbias; \ + if (TEXMODE_ENABLE_LOD_DITHER(TEXMODE)) \ + lod += DITHER4[(XX) & 3] << 4; \ + if (lod < (TT)->lodmin) \ + lod = (TT)->lodmin; \ + if (lod > (TT)->lodmax) \ + lod = (TT)->lodmax; \ + \ + /* now the LOD is in range; if we don't own this LOD, take the next one */ \ + ilod = lod >> 8; \ + if (!(((TT)->lodmask >> ilod) & 1)) \ + ilod++; \ + \ + /* fetch the texture base */ \ + texbase = (TT)->lodoffset[ilod]; \ + \ + /* compute the maximum s and t values at this LOD */ \ + smax = (TT)->wmask >> ilod; \ + tmax = (TT)->hmask >> ilod; \ + \ + /* determine whether we are point-sampled or bilinear */ \ + if ((lod == (TT)->lodmin && !TEXMODE_MAGNIFICATION_FILTER(TEXMODE)) || \ + (lod != (TT)->lodmin && !TEXMODE_MINIFICATION_FILTER(TEXMODE))) \ + { \ + /* point sampled */ \ + \ + UINT32 texel0; \ + \ + /* adjust S/T for the LOD and strip off the fractions */ \ + s >>= ilod + 18; \ + t >>= ilod + 18; \ + \ + /* clamp/wrap S/T if necessary */ \ + if (TEXMODE_CLAMP_S(TEXMODE)) \ + CLAMP(s, 0, smax); \ + if (TEXMODE_CLAMP_T(TEXMODE)) \ + CLAMP(t, 0, tmax); \ + s &= smax; \ + t &= tmax; \ + t *= smax + 1; \ + \ + /* fetch texel data */ \ + if (TEXMODE_FORMAT(TEXMODE) < 8) \ + { \ + texel0 = *(UINT8 *)&(TT)->ram[(texbase + t + s) & (TT)->mask]; \ + c_local.u = (LOOKUP)[texel0]; \ + } \ + else \ + { \ + texel0 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t + s)) & (TT)->mask]; \ + if (TEXMODE_FORMAT(TEXMODE) >= 10 && TEXMODE_FORMAT(TEXMODE) <= 12) \ + c_local.u = (LOOKUP)[texel0]; \ + else \ + c_local.u = ((LOOKUP)[texel0 & 0xff] & 0xffffff) | \ + ((texel0 & 0xff00) << 16); \ + } \ + } \ + else \ + { \ + /* bilinear filtered */ \ + \ + UINT32 texel0, texel1, texel2, texel3; \ + UINT32 sfrac, tfrac; \ + INT32 s1, t1; \ + \ + /* adjust S/T for the LOD and strip off all but the low 8 bits of */ \ + /* the fraction */ \ + s >>= ilod + 10; \ + t >>= ilod + 10; \ + \ + /* also subtract 1/2 texel so that (0.5,0.5) = a full (0,0) texel */ \ + s -= 0x80; \ + t -= 0x80; \ + \ + /* extract the fractions */ \ + sfrac = s & (TT)->bilinear_mask; \ + tfrac = t & (TT)->bilinear_mask; \ + \ + /* now toss the rest */ \ + s >>= 8; \ + t >>= 8; \ + s1 = s + 1; \ + t1 = t + 1; \ + \ + /* clamp/wrap S/T if necessary */ \ + if (TEXMODE_CLAMP_S(TEXMODE)) \ + { \ + CLAMP(s, 0, smax); \ + CLAMP(s1, 0, smax); \ + } \ + if (TEXMODE_CLAMP_T(TEXMODE)) \ + { \ + CLAMP(t, 0, tmax); \ + CLAMP(t1, 0, tmax); \ + } \ + s &= smax; \ + s1 &= smax; \ + t &= tmax; \ + t1 &= tmax; \ + t *= smax + 1; \ + t1 *= smax + 1; \ + \ + /* fetch texel data */ \ + if (TEXMODE_FORMAT(TEXMODE) < 8) \ + { \ + texel0 = *(UINT8 *)&(TT)->ram[(texbase + t + s) & (TT)->mask]; \ + texel1 = *(UINT8 *)&(TT)->ram[(texbase + t + s1) & (TT)->mask]; \ + texel2 = *(UINT8 *)&(TT)->ram[(texbase + t1 + s) & (TT)->mask]; \ + texel3 = *(UINT8 *)&(TT)->ram[(texbase + t1 + s1) & (TT)->mask]; \ + texel0 = (LOOKUP)[texel0]; \ + texel1 = (LOOKUP)[texel1]; \ + texel2 = (LOOKUP)[texel2]; \ + texel3 = (LOOKUP)[texel3]; \ + } \ + else \ + { \ + texel0 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t + s)) & (TT)->mask]; \ + texel1 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t + s1)) & (TT)->mask];\ + texel2 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t1 + s)) & (TT)->mask];\ + texel3 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t1 + s1)) & (TT)->mask];\ + if (TEXMODE_FORMAT(TEXMODE) >= 10 && TEXMODE_FORMAT(TEXMODE) <= 12) \ + { \ + texel0 = (LOOKUP)[texel0]; \ + texel1 = (LOOKUP)[texel1]; \ + texel2 = (LOOKUP)[texel2]; \ + texel3 = (LOOKUP)[texel3]; \ + } \ + else \ + { \ + texel0 = ((LOOKUP)[texel0 & 0xff] & 0xffffff) | \ + ((texel0 & 0xff00) << 16); \ + texel1 = ((LOOKUP)[texel1 & 0xff] & 0xffffff) | \ + ((texel1 & 0xff00) << 16); \ + texel2 = ((LOOKUP)[texel2 & 0xff] & 0xffffff) | \ + ((texel2 & 0xff00) << 16); \ + texel3 = ((LOOKUP)[texel3 & 0xff] & 0xffffff) | \ + ((texel3 & 0xff00) << 16); \ + } \ + } \ + \ + /* weigh in each texel */ \ + c_local.u = rgba_bilinear_filter(texel0, texel1, texel2, texel3, sfrac, tfrac);\ + } \ + \ + /* select zero/other for RGB */ \ + if (!TEXMODE_TC_ZERO_OTHER(TEXMODE)) \ + { \ + tr = COTHER.rgb.r; \ + tg = COTHER.rgb.g; \ + tb = COTHER.rgb.b; \ + } \ + else \ + tr = tg = tb = 0; \ + \ + /* select zero/other for alpha */ \ + if (!TEXMODE_TCA_ZERO_OTHER(TEXMODE)) \ + ta = COTHER.rgb.a; \ + else \ + ta = 0; \ + \ + /* potentially subtract c_local */ \ + if (TEXMODE_TC_SUB_CLOCAL(TEXMODE)) \ + { \ + tr -= c_local.rgb.r; \ + tg -= c_local.rgb.g; \ + tb -= c_local.rgb.b; \ + } \ + if (TEXMODE_TCA_SUB_CLOCAL(TEXMODE)) \ + ta -= c_local.rgb.a; \ + \ + /* blend RGB */ \ + switch (TEXMODE_TC_MSELECT(TEXMODE)) \ + { \ + default: /* reserved */ \ + case 0: /* zero */ \ + blendr = blendg = blendb = 0; \ + break; \ + \ + case 1: /* c_local */ \ + blendr = c_local.rgb.r; \ + blendg = c_local.rgb.g; \ + blendb = c_local.rgb.b; \ + break; \ + \ + case 2: /* a_other */ \ + blendr = blendg = blendb = COTHER.rgb.a; \ + break; \ + \ + case 3: /* a_local */ \ + blendr = blendg = blendb = c_local.rgb.a; \ + break; \ + \ + case 4: /* LOD (detail factor) */ \ + if ((TT)->detailbias <= lod) \ + blendr = blendg = blendb = 0; \ + else \ + { \ + blendr = ((((TT)->detailbias - lod) << (TT)->detailscale) >> 8);\ + if (blendr > (TT)->detailmax) \ + blendr = (TT)->detailmax; \ + blendg = blendb = blendr; \ + } \ + break; \ + \ + case 5: /* LOD fraction */ \ + blendr = blendg = blendb = lod & 0xff; \ + break; \ + } \ + \ + /* blend alpha */ \ + switch (TEXMODE_TCA_MSELECT(TEXMODE)) \ + { \ + default: /* reserved */ \ + case 0: /* zero */ \ + blenda = 0; \ + break; \ + \ + case 1: /* c_local */ \ + blenda = c_local.rgb.a; \ + break; \ + \ + case 2: /* a_other */ \ + blenda = COTHER.rgb.a; \ + break; \ + \ + case 3: /* a_local */ \ + blenda = c_local.rgb.a; \ + break; \ + \ + case 4: /* LOD (detail factor) */ \ + if ((TT)->detailbias <= lod) \ + blenda = 0; \ + else \ + { \ + blenda = ((((TT)->detailbias - lod) << (TT)->detailscale) >> 8);\ + if (blenda > (TT)->detailmax) \ + blenda = (TT)->detailmax; \ + } \ + break; \ + \ + case 5: /* LOD fraction */ \ + blenda = lod & 0xff; \ + break; \ + } \ + \ + /* reverse the RGB blend */ \ + if (!TEXMODE_TC_REVERSE_BLEND(TEXMODE)) \ + { \ + blendr ^= 0xff; \ + blendg ^= 0xff; \ + blendb ^= 0xff; \ + } \ + \ + /* reverse the alpha blend */ \ + if (!TEXMODE_TCA_REVERSE_BLEND(TEXMODE)) \ + blenda ^= 0xff; \ + \ + /* do the blend */ \ + tr = (tr * (blendr + 1)) >> 8; \ + tg = (tg * (blendg + 1)) >> 8; \ + tb = (tb * (blendb + 1)) >> 8; \ + ta = (ta * (blenda + 1)) >> 8; \ + \ + /* add clocal or alocal to RGB */ \ + switch (TEXMODE_TC_ADD_ACLOCAL(TEXMODE)) \ + { \ + case 3: /* reserved */ \ + case 0: /* nothing */ \ + break; \ + \ + case 1: /* add c_local */ \ + tr += c_local.rgb.r; \ + tg += c_local.rgb.g; \ + tb += c_local.rgb.b; \ + break; \ + \ + case 2: /* add_alocal */ \ + tr += c_local.rgb.a; \ + tg += c_local.rgb.a; \ + tb += c_local.rgb.a; \ + break; \ + } \ + \ + /* add clocal or alocal to alpha */ \ + if (TEXMODE_TCA_ADD_ACLOCAL(TEXMODE)) \ + ta += c_local.rgb.a; \ + \ + /* clamp */ \ + RESULT.rgb.r = (tr < 0) ? 0 : (tr > 0xff) ? 0xff : tr; \ + RESULT.rgb.g = (tg < 0) ? 0 : (tg > 0xff) ? 0xff : tg; \ + RESULT.rgb.b = (tb < 0) ? 0 : (tb > 0xff) ? 0xff : tb; \ + RESULT.rgb.a = (ta < 0) ? 0 : (ta > 0xff) ? 0xff : ta; \ + \ + /* invert */ \ + if (TEXMODE_TC_INVERT_OUTPUT(TEXMODE)) \ + RESULT.u ^= 0x00ffffff; \ + if (TEXMODE_TCA_INVERT_OUTPUT(TEXMODE)) \ + RESULT.rgb.a ^= 0xff; \ +} \ +while (0) + + + +/************************************* + * + * Pixel pipeline macros + * + *************************************/ + +#define PIXEL_PIPELINE_BEGIN(VV, STATS, XX, YY, FBZCOLORPATH, FBZMODE, ITERZ, ITERW) \ +do \ +{ \ + INT32 depthval, wfloat; \ + INT32 prefogr, prefogg, prefogb; \ + INT32 r, g, b, a; \ + \ + (STATS)->pixels_in++; \ + \ + /* apply clipping */ \ + /* note that for perf reasons, we assume the caller has done clipping */ \ + \ + /* handle stippling */ \ + if (FBZMODE_ENABLE_STIPPLE(FBZMODE)) \ + { \ + /* rotate mode */ \ + if (FBZMODE_STIPPLE_PATTERN(FBZMODE) == 0) \ + { \ + (VV)->reg[stipple].u = ((VV)->reg[stipple].u << 1) | ((VV)->reg[stipple].u >> 31);\ + if (((VV)->reg[stipple].u & 0x80000000) == 0) \ + { \ + (VV)->stats.total_stippled++; \ + goto skipdrawdepth; \ + } \ + } \ + \ + /* pattern mode */ \ + else \ + { \ + int stipple_index = (((YY) & 3) << 3) | (~(XX) & 7); \ + if ((((VV)->reg[stipple].u >> stipple_index) & 1) == 0) \ + { \ + (VV)->stats.total_stippled++; \ + goto skipdrawdepth; \ + } \ + } \ + } \ + \ + /* compute "floating point" W value (used for depth and fog) */ \ + if ((ITERW) & U64(0xffff00000000)) \ + wfloat = 0x0000; \ + else \ + { \ + UINT32 temp = (UINT32)(ITERW); \ + if ((temp & 0xffff0000) == 0) \ + wfloat = 0xffff; \ + else \ + { \ + int exp = count_leading_zeros(temp); \ + wfloat = ((exp << 12) | ((~temp >> (19 - exp)) & 0xfff)) + 1; \ + } \ + } \ + \ + /* compute depth value (W or Z) for this pixel */ \ + if (FBZMODE_WBUFFER_SELECT(FBZMODE) == 0) \ + CLAMPED_Z(ITERZ, FBZCOLORPATH, depthval); \ + else if (FBZMODE_DEPTH_FLOAT_SELECT(FBZMODE) == 0) \ + depthval = wfloat; \ + else \ + { \ + if ((ITERZ) & 0xf0000000) \ + depthval = 0x0000; \ + else \ + { \ + UINT32 temp = (ITERZ) << 4; \ + if ((temp & 0xffff0000) == 0) \ + depthval = 0xffff; \ + else \ + { \ + int exp = count_leading_zeros(temp); \ + depthval = ((exp << 12) | ((~temp >> (19 - exp)) & 0xfff)) + 1; \ + } \ + } \ + } \ + \ + /* add the bias */ \ + if (FBZMODE_ENABLE_DEPTH_BIAS(FBZMODE)) \ + { \ + depthval += (INT16)(VV)->reg[zaColor].u; \ + CLAMP(depthval, 0, 0xffff); \ + } \ + \ + /* handle depth buffer testing */ \ + if (FBZMODE_ENABLE_DEPTHBUF(FBZMODE)) \ + { \ + INT32 depthsource; \ + \ + /* the source depth is either the iterated W/Z+bias or a */ \ + /* constant value */ \ + if (FBZMODE_DEPTH_SOURCE_COMPARE(FBZMODE) == 0) \ + depthsource = depthval; \ + else \ + depthsource = (UINT16)(VV)->reg[zaColor].u; \ + \ + /* test against the depth buffer */ \ + switch (FBZMODE_DEPTH_FUNCTION(FBZMODE)) \ + { \ + case 0: /* depthOP = never */ \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + \ + case 1: /* depthOP = less than */ \ + if (depthsource >= depth[XX]) \ + { \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 2: /* depthOP = equal */ \ + if (depthsource != depth[XX]) \ + { \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 3: /* depthOP = less than or equal */ \ + if (depthsource > depth[XX]) \ + { \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 4: /* depthOP = greater than */ \ + if (depthsource <= depth[XX]) \ + { \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 5: /* depthOP = not equal */ \ + if (depthsource == depth[XX]) \ + { \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 6: /* depthOP = greater than or equal */ \ + if (depthsource < depth[XX]) \ + { \ + (STATS)->zfunc_fail++; \ + goto skipdrawdepth; \ + } \ + break; \ + \ + case 7: /* depthOP = always */ \ + break; \ + } \ + } + + +#define PIXEL_PIPELINE_END(VV, STATS, DITHER, DITHER4, DITHER_LOOKUP, XX, dest, depth, FBZMODE, FBZCOLORPATH, ALPHAMODE, FOGMODE, ITERZ, ITERW, ITERAXXX) \ + \ + /* perform fogging */ \ + prefogr = r; \ + prefogg = g; \ + prefogb = b; \ + APPLY_FOGGING(VV, FOGMODE, FBZCOLORPATH, XX, DITHER4, r, g, b, \ + ITERZ, ITERW, ITERAXXX); \ + \ + /* perform alpha blending */ \ + APPLY_ALPHA_BLEND(FBZMODE, ALPHAMODE, XX, DITHER, r, g, b, a); \ + \ + /* modify the pixel for debugging purposes */ \ + MODIFY_PIXEL(VV); \ + \ + /* write to framebuffer */ \ + if (FBZMODE_RGB_BUFFER_MASK(FBZMODE)) \ + { \ + /* apply dithering */ \ + APPLY_DITHER(FBZMODE, XX, DITHER_LOOKUP, r, g, b); \ + dest[XX] = (r << 11) | (g << 5) | b; \ + } \ + \ + /* write to aux buffer */ \ + if (depth && FBZMODE_AUX_BUFFER_MASK(FBZMODE)) \ + { \ + if (FBZMODE_ENABLE_ALPHA_PLANES(FBZMODE) == 0) \ + depth[XX] = depthval; \ + else \ + depth[XX] = a; \ + } \ + \ + /* track pixel writes to the frame buffer regardless of mask */ \ + (STATS)->pixels_out++; \ + \ +skipdrawdepth: \ + ; \ +} \ +while (0) + + + +/************************************* + * + * Colorpath pipeline macro + * + *************************************/ + +/* + + c_other_is_used: + + if (FBZMODE_ENABLE_CHROMAKEY(FBZMODE) || + FBZCP_CC_ZERO_OTHER(FBZCOLORPATH) == 0) + + c_local_is_used: + + if (FBZCP_CC_SUB_CLOCAL(FBZCOLORPATH) || + FBZCP_CC_MSELECT(FBZCOLORPATH) == 1 || + FBZCP_CC_ADD_ACLOCAL(FBZCOLORPATH) == 1) + + NEEDS_ITER_RGB: + + if ((c_other_is_used && FBZCP_CC_RGBSELECT(FBZCOLORPATH) == 0) || + (c_local_is_used && (FBZCP_CC_LOCALSELECT_OVERRIDE(FBZCOLORPATH) != 0 || FBZCP_CC_LOCALSELECT(FBZCOLORPATH) == 0)) + + NEEDS_ITER_A: + + if ((a_other_is_used && FBZCP_CC_ASELECT(FBZCOLORPATH) == 0) || + (a_local_is_used && FBZCP_CCA_LOCALSELECT(FBZCOLORPATH) == 0)) + + NEEDS_ITER_Z: + + if (FBZMODE_WBUFFER_SELECT(FBZMODE) == 0 || + FBZMODE_DEPTH_FLOAT_SELECT(FBZMODE) != 0 || + FBZCP_CCA_LOCALSELECT(FBZCOLORPATH) == 2) + + +*/ + +/* + Expects the following declarations to be outside of this scope: + + INT32 r, g, b, a; +*/ +#define COLORPATH_PIPELINE(VV, STATS, FBZCOLORPATH, FBZMODE, ALPHAMODE, TEXELARGB, ITERZ, ITERW, ITERARGB) \ +do \ +{ \ + INT32 blendr, blendg, blendb, blenda; \ + rgb_union c_other; \ + rgb_union c_local; \ + \ + /* compute c_other */ \ + switch (FBZCP_CC_RGBSELECT(FBZCOLORPATH)) \ + { \ + case 0: /* iterated RGB */ \ + c_other.u = ITERARGB.u; \ + break; \ + \ + case 1: /* texture RGB */ \ + c_other.u = TEXELARGB.u; \ + break; \ + \ + case 2: /* color1 RGB */ \ + c_other.u = (VV)->reg[color1].u; \ + break; \ + \ + default: /* reserved */ \ + c_other.u = 0; \ + break; \ + } \ + \ + /* handle chroma key */ \ + APPLY_CHROMAKEY(VV, STATS, FBZMODE, c_other); \ + \ + /* compute a_other */ \ + switch (FBZCP_CC_ASELECT(FBZCOLORPATH)) \ + { \ + case 0: /* iterated alpha */ \ + c_other.rgb.a = ITERARGB.rgb.a; \ + break; \ + \ + case 1: /* texture alpha */ \ + c_other.rgb.a = TEXELARGB.rgb.a; \ + break; \ + \ + case 2: /* color1 alpha */ \ + c_other.rgb.a = (VV)->reg[color1].rgb.a; \ + break; \ + \ + default: /* reserved */ \ + c_other.rgb.a = 0; \ + break; \ + } \ + \ + /* handle alpha mask */ \ + APPLY_ALPHAMASK(VV, STATS, FBZMODE, c_other.rgb.a); \ + \ + /* handle alpha test */ \ + APPLY_ALPHATEST(VV, STATS, ALPHAMODE, c_other.rgb.a); \ + \ + /* compute c_local */ \ + if (FBZCP_CC_LOCALSELECT_OVERRIDE(FBZCOLORPATH) == 0) \ + { \ + if (FBZCP_CC_LOCALSELECT(FBZCOLORPATH) == 0) /* iterated RGB */ \ + c_local.u = ITERARGB.u; \ + else /* color0 RGB */ \ + c_local.u = (VV)->reg[color0].u; \ + } \ + else \ + { \ + if (!(TEXELARGB.rgb.a & 0x80)) /* iterated RGB */ \ + c_local.u = ITERARGB.u; \ + else /* color0 RGB */ \ + c_local.u = (VV)->reg[color0].u; \ + } \ + \ + /* compute a_local */ \ + switch (FBZCP_CCA_LOCALSELECT(FBZCOLORPATH)) \ + { \ + default: \ + case 0: /* iterated alpha */ \ + c_local.rgb.a = ITERARGB.rgb.a; \ + break; \ + \ + case 1: /* color0 alpha */ \ + c_local.rgb.a = (VV)->reg[color0].rgb.a; \ + break; \ + \ + case 2: /* clamped iterated Z[27:20] */ \ + { \ + int temp; \ + CLAMPED_Z(ITERZ, FBZCOLORPATH, temp); \ + c_local.rgb.a = (UINT8)temp; \ + break; \ + } \ + \ + case 3: /* clamped iterated W[39:32] */ \ + { \ + int temp; \ + CLAMPED_W(ITERW, FBZCOLORPATH, temp); /* Voodoo 2 only */ \ + c_local.rgb.a = (UINT8)temp; \ + break; \ + } \ + } \ + \ + /* select zero or c_other */ \ + if (FBZCP_CC_ZERO_OTHER(FBZCOLORPATH) == 0) \ + { \ + r = c_other.rgb.r; \ + g = c_other.rgb.g; \ + b = c_other.rgb.b; \ + } \ + else \ + r = g = b = 0; \ + \ + /* select zero or a_other */ \ + if (FBZCP_CCA_ZERO_OTHER(FBZCOLORPATH) == 0) \ + a = c_other.rgb.a; \ + else \ + a = 0; \ + \ + /* subtract c_local */ \ + if (FBZCP_CC_SUB_CLOCAL(FBZCOLORPATH)) \ + { \ + r -= c_local.rgb.r; \ + g -= c_local.rgb.g; \ + b -= c_local.rgb.b; \ + } \ + \ + /* subtract a_local */ \ + if (FBZCP_CCA_SUB_CLOCAL(FBZCOLORPATH)) \ + a -= c_local.rgb.a; \ + \ + /* blend RGB */ \ + switch (FBZCP_CC_MSELECT(FBZCOLORPATH)) \ + { \ + default: /* reserved */ \ + case 0: /* 0 */ \ + blendr = blendg = blendb = 0; \ + break; \ + \ + case 1: /* c_local */ \ + blendr = c_local.rgb.r; \ + blendg = c_local.rgb.g; \ + blendb = c_local.rgb.b; \ + break; \ + \ + case 2: /* a_other */ \ + blendr = blendg = blendb = c_other.rgb.a; \ + break; \ + \ + case 3: /* a_local */ \ + blendr = blendg = blendb = c_local.rgb.a; \ + break; \ + \ + case 4: /* texture alpha */ \ + blendr = blendg = blendb = TEXELARGB.rgb.a; \ + break; \ + \ + case 5: /* texture RGB (Voodoo 2 only) */ \ + blendr = TEXELARGB.rgb.r; \ + blendg = TEXELARGB.rgb.g; \ + blendb = TEXELARGB.rgb.b; \ + break; \ + } \ + \ + /* blend alpha */ \ + switch (FBZCP_CCA_MSELECT(FBZCOLORPATH)) \ + { \ + default: /* reserved */ \ + case 0: /* 0 */ \ + blenda = 0; \ + break; \ + \ + case 1: /* a_local */ \ + blenda = c_local.rgb.a; \ + break; \ + \ + case 2: /* a_other */ \ + blenda = c_other.rgb.a; \ + break; \ + \ + case 3: /* a_local */ \ + blenda = c_local.rgb.a; \ + break; \ + \ + case 4: /* texture alpha */ \ + blenda = TEXELARGB.rgb.a; \ + break; \ + } \ + \ + /* reverse the RGB blend */ \ + if (!FBZCP_CC_REVERSE_BLEND(FBZCOLORPATH)) \ + { \ + blendr ^= 0xff; \ + blendg ^= 0xff; \ + blendb ^= 0xff; \ + } \ + \ + /* reverse the alpha blend */ \ + if (!FBZCP_CCA_REVERSE_BLEND(FBZCOLORPATH)) \ + blenda ^= 0xff; \ + \ + /* do the blend */ \ + r = (r * (blendr + 1)) >> 8; \ + g = (g * (blendg + 1)) >> 8; \ + b = (b * (blendb + 1)) >> 8; \ + a = (a * (blenda + 1)) >> 8; \ + \ + /* add clocal or alocal to RGB */ \ + switch (FBZCP_CC_ADD_ACLOCAL(FBZCOLORPATH)) \ + { \ + case 3: /* reserved */ \ + case 0: /* nothing */ \ + break; \ + \ + case 1: /* add c_local */ \ + r += c_local.rgb.r; \ + g += c_local.rgb.g; \ + b += c_local.rgb.b; \ + break; \ + \ + case 2: /* add_alocal */ \ + r += c_local.rgb.a; \ + g += c_local.rgb.a; \ + b += c_local.rgb.a; \ + break; \ + } \ + \ + /* add clocal or alocal to alpha */ \ + if (FBZCP_CCA_ADD_ACLOCAL(FBZCOLORPATH)) \ + a += c_local.rgb.a; \ + \ + /* clamp */ \ + CLAMP(r, 0x00, 0xff); \ + CLAMP(g, 0x00, 0xff); \ + CLAMP(b, 0x00, 0xff); \ + CLAMP(a, 0x00, 0xff); \ + \ + /* invert */ \ + if (FBZCP_CC_INVERT_OUTPUT(FBZCOLORPATH)) \ + { \ + r ^= 0xff; \ + g ^= 0xff; \ + b ^= 0xff; \ + } \ + if (FBZCP_CCA_INVERT_OUTPUT(FBZCOLORPATH)) \ + a ^= 0xff; \ +} \ +while (0) + + + +/************************************* + * + * Rasterizer generator macro + * + *************************************/ + +#define RASTERIZER(name, TMUS, FBZCOLORPATH, FBZMODE, ALPHAMODE, FOGMODE, TEXMODE0, TEXMODE1) \ + \ +static void raster_##name(void *destbase, INT32 y, const poly_extent *extent, const void *extradata, int threadid) \ +{ \ + const poly_extra_data *extra = extradata; \ + voodoo_state *v = extra->state; \ + stats_block *stats = &v->thread_stats[threadid]; \ + DECLARE_DITHER_POINTERS; \ + INT32 startx = extent->startx; \ + INT32 stopx = extent->stopx; \ + INT32 iterr, iterg, iterb, itera; \ + INT32 iterz; \ + INT64 iterw, iterw0 = 0, iterw1 = 0; \ + INT64 iters0 = 0, iters1 = 0; \ + INT64 itert0 = 0, itert1 = 0; \ + UINT16 *depth; \ + UINT16 *dest; \ + INT32 dx, dy; \ + INT32 scry; \ + INT32 x; \ + \ + /* determine the screen Y */ \ + scry = y; \ + if (FBZMODE_Y_ORIGIN(FBZMODE)) \ + scry = (v->fbi.yorigin - y) & 0x3ff; \ + \ + /* compute dithering */ \ + COMPUTE_DITHER_POINTERS(FBZMODE, y); \ + \ + /* apply clipping */ \ + if (FBZMODE_ENABLE_CLIPPING(FBZMODE)) \ + { \ + INT32 tempclip; \ + \ + /* Y clipping buys us the whole scanline */ \ + if (scry < ((v->reg[clipLowYHighY].u >> 16) & 0x3ff) || \ + scry >= (v->reg[clipLowYHighY].u & 0x3ff)) \ + { \ + stats->pixels_in += stopx - startx; \ + stats->clip_fail += stopx - startx; \ + return; \ + } \ + \ + /* X clipping */ \ + tempclip = (v->reg[clipLeftRight].u >> 16) & 0x3ff; \ + if (startx < tempclip) \ + { \ + stats->pixels_in += tempclip - startx; \ + v->stats.total_clipped += tempclip - startx; \ + startx = tempclip; \ + } \ + tempclip = v->reg[clipLeftRight].u & 0x3ff; \ + if (stopx >= tempclip) \ + { \ + stats->pixels_in += stopx - tempclip; \ + v->stats.total_clipped += stopx - tempclip; \ + stopx = tempclip - 1; \ + } \ + } \ + \ + /* get pointers to the target buffer and depth buffer */ \ + dest = (UINT16 *)destbase + scry * v->fbi.rowpixels; \ + depth = v->fbi.aux ? (v->fbi.aux + scry * v->fbi.rowpixels) : NULL; \ + \ + /* compute the starting parameters */ \ + dx = startx - (extra->ax >> 4); \ + dy = y - (extra->ay >> 4); \ + iterr = extra->startr + dy * extra->drdy + dx * extra->drdx; \ + iterg = extra->startg + dy * extra->dgdy + dx * extra->dgdx; \ + iterb = extra->startb + dy * extra->dbdy + dx * extra->dbdx; \ + itera = extra->starta + dy * extra->dady + dx * extra->dadx; \ + iterz = extra->startz + dy * extra->dzdy + dx * extra->dzdx; \ + iterw = extra->startw + dy * extra->dwdy + dx * extra->dwdx; \ + if (TMUS >= 1) \ + { \ + iterw0 = extra->startw0 + dy * extra->dw0dy + dx * extra->dw0dx; \ + iters0 = extra->starts0 + dy * extra->ds0dy + dx * extra->ds0dx; \ + itert0 = extra->startt0 + dy * extra->dt0dy + dx * extra->dt0dx; \ + } \ + if (TMUS >= 2) \ + { \ + iterw1 = extra->startw1 + dy * extra->dw1dy + dx * extra->dw1dx; \ + iters1 = extra->starts1 + dy * extra->ds1dy + dx * extra->ds1dx; \ + itert1 = extra->startt1 + dy * extra->dt1dy + dx * extra->dt1dx; \ + } \ + \ + /* loop in X */ \ + for (x = startx; x < stopx; x++) \ + { \ + rgb_union iterargb = { 0 }; \ + rgb_union texel = { 0 }; \ + \ + /* pixel pipeline part 1 handles depth testing and stippling */ \ + PIXEL_PIPELINE_BEGIN(v, stats, x, y, FBZCOLORPATH, FBZMODE, \ + iterz, iterw); \ + \ + /* run the texture pipeline on TMU1 to produce a value in texel */ \ + /* note that they set LOD min to 8 to "disable" a TMU */ \ + if (TMUS >= 2 && v->tmu[1].lodmin < (8 << 8)) \ + TEXTURE_PIPELINE(&v->tmu[1], x, dither4, TEXMODE1, texel, \ + v->tmu[1].lookup, extra->lodbase1, \ + iters1, itert1, iterw1, texel); \ + \ + /* run the texture pipeline on TMU0 to produce a final */ \ + /* result in texel */ \ + /* note that they set LOD min to 8 to "disable" a TMU */ \ + if (TMUS >= 1 && v->tmu[0].lodmin < (8 << 8)) \ + TEXTURE_PIPELINE(&v->tmu[0], x, dither4, TEXMODE0, texel, \ + v->tmu[0].lookup, extra->lodbase0, \ + iters0, itert0, iterw0, texel); \ + \ + /* colorpath pipeline selects source colors and does blending */ \ + CLAMPED_ARGB(iterr, iterg, iterb, itera, FBZCOLORPATH, iterargb); \ + COLORPATH_PIPELINE(v, stats, FBZCOLORPATH, FBZMODE, ALPHAMODE, texel, \ + iterz, iterw, iterargb); \ + \ + /* pixel pipeline part 2 handles fog, alpha, and final output */ \ + PIXEL_PIPELINE_END(v, stats, dither, dither4, dither_lookup, x, dest, depth, \ + FBZMODE, FBZCOLORPATH, ALPHAMODE, FOGMODE, \ + iterz, iterw, iterargb); \ + \ + /* update the iterated parameters */ \ + iterr += extra->drdx; \ + iterg += extra->dgdx; \ + iterb += extra->dbdx; \ + itera += extra->dadx; \ + iterz += extra->dzdx; \ + iterw += extra->dwdx; \ + if (TMUS >= 1) \ + { \ + iterw0 += extra->dw0dx; \ + iters0 += extra->ds0dx; \ + itert0 += extra->dt0dx; \ + } \ + if (TMUS >= 2) \ + { \ + iterw1 += extra->dw1dx; \ + iters1 += extra->ds1dx; \ + itert1 += extra->dt1dx; \ + } \ + } \ +} |