1
/*************************************************************************
3
3dfx Voodoo Graphics SST-1/2 emulator
5
emulator by Aaron Giles
7
**************************************************************************/
10
/*************************************
14
*************************************/
16
/* enumeration describing reasons we might be stalled */
20
STALLED_UNTIL_FIFO_LWM,
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STALLED_UNTIL_FIFO_EMPTY
24
/* maximum number of TMUs */
27
/* accumulate operations less than this number of clocks */
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#define ACCUMULATE_THRESHOLD 0
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/* number of clocks to set up a triangle (just a guess) */
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#define TRIANGLE_SETUP_CLOCKS 100
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/* maximum number of rasterizers */
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#define MAX_RASTERIZERS 1024
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/* size of the rasterizer hash table */
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#define RASTER_HASH_SIZE 97
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/* flags for LFB writes */
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#define LFB_RGB_PRESENT 1
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#define LFB_ALPHA_PRESENT 2
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#define LFB_DEPTH_PRESENT 4
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#define LFB_DEPTH_PRESENT_MSW 8
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/* flags for the register access array */
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#define REGISTER_READ 0x01 /* reads are allowed */
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#define REGISTER_WRITE 0x02 /* writes are allowed */
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#define REGISTER_PIPELINED 0x04 /* writes are pipelined */
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#define REGISTER_FIFO 0x08 /* writes go to FIFO */
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#define REGISTER_WRITETHRU 0x10 /* writes are valid even for CMDFIFO */
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/* shorter combinations to make the table smaller */
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#define REG_R (REGISTER_READ)
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#define REG_W (REGISTER_WRITE)
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#define REG_WT (REGISTER_WRITE | REGISTER_WRITETHRU)
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#define REG_RW (REGISTER_READ | REGISTER_WRITE)
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#define REG_RWT (REGISTER_READ | REGISTER_WRITE | REGISTER_WRITETHRU)
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#define REG_RP (REGISTER_READ | REGISTER_PIPELINED)
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#define REG_WP (REGISTER_WRITE | REGISTER_PIPELINED)
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#define REG_RWP (REGISTER_READ | REGISTER_WRITE | REGISTER_PIPELINED)
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#define REG_RWPT (REGISTER_READ | REGISTER_WRITE | REGISTER_PIPELINED | REGISTER_WRITETHRU)
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#define REG_RF (REGISTER_READ | REGISTER_FIFO)
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#define REG_WF (REGISTER_WRITE | REGISTER_FIFO)
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#define REG_RWF (REGISTER_READ | REGISTER_WRITE | REGISTER_FIFO)
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#define REG_RPF (REGISTER_READ | REGISTER_PIPELINED | REGISTER_FIFO)
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#define REG_WPF (REGISTER_WRITE | REGISTER_PIPELINED | REGISTER_FIFO)
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#define REG_RWPF (REGISTER_READ | REGISTER_WRITE | REGISTER_PIPELINED | REGISTER_FIFO)
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/* lookup bits is the log2 of the size of the reciprocal/log table */
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#define RECIPLOG_LOOKUP_BITS 9
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/* input precision is how many fraction bits the input value has; this is a 64-bit number */
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#define RECIPLOG_INPUT_PREC 32
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/* lookup precision is how many fraction bits each table entry contains */
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#define RECIPLOG_LOOKUP_PREC 22
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/* output precision is how many fraction bits the result should have */
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#define RECIP_OUTPUT_PREC 15
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#define LOG_OUTPUT_PREC 8
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/*************************************
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*************************************/
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/* Codes to the right:
98
#define status (0x000/4) /* R P */
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#define intrCtrl (0x004/4) /* RW P -- Voodoo2/Banshee only */
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#define vertexAx (0x008/4) /* W PF */
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#define vertexAy (0x00c/4) /* W PF */
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#define vertexBx (0x010/4) /* W PF */
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#define vertexBy (0x014/4) /* W PF */
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#define vertexCx (0x018/4) /* W PF */
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#define vertexCy (0x01c/4) /* W PF */
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#define startR (0x020/4) /* W PF */
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#define startG (0x024/4) /* W PF */
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#define startB (0x028/4) /* W PF */
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#define startZ (0x02c/4) /* W PF */
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#define startA (0x030/4) /* W PF */
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#define startS (0x034/4) /* W PF */
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#define startT (0x038/4) /* W PF */
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#define startW (0x03c/4) /* W PF */
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#define dRdX (0x040/4) /* W PF */
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#define dGdX (0x044/4) /* W PF */
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#define dBdX (0x048/4) /* W PF */
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#define dZdX (0x04c/4) /* W PF */
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#define dAdX (0x050/4) /* W PF */
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#define dSdX (0x054/4) /* W PF */
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#define dTdX (0x058/4) /* W PF */
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#define dWdX (0x05c/4) /* W PF */
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#define dRdY (0x060/4) /* W PF */
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#define dGdY (0x064/4) /* W PF */
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#define dBdY (0x068/4) /* W PF */
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#define dZdY (0x06c/4) /* W PF */
128
#define dAdY (0x070/4) /* W PF */
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#define dSdY (0x074/4) /* W PF */
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#define dTdY (0x078/4) /* W PF */
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#define dWdY (0x07c/4) /* W PF */
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#define triangleCMD (0x080/4) /* W PF */
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#define fvertexAx (0x088/4) /* W PF */
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#define fvertexAy (0x08c/4) /* W PF */
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#define fvertexBx (0x090/4) /* W PF */
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#define fvertexBy (0x094/4) /* W PF */
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#define fvertexCx (0x098/4) /* W PF */
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#define fvertexCy (0x09c/4) /* W PF */
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#define fstartR (0x0a0/4) /* W PF */
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#define fstartG (0x0a4/4) /* W PF */
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#define fstartB (0x0a8/4) /* W PF */
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#define fstartZ (0x0ac/4) /* W PF */
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#define fstartA (0x0b0/4) /* W PF */
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#define fstartS (0x0b4/4) /* W PF */
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#define fstartT (0x0b8/4) /* W PF */
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#define fstartW (0x0bc/4) /* W PF */
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#define fdRdX (0x0c0/4) /* W PF */
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#define fdGdX (0x0c4/4) /* W PF */
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#define fdBdX (0x0c8/4) /* W PF */
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#define fdZdX (0x0cc/4) /* W PF */
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#define fdAdX (0x0d0/4) /* W PF */
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#define fdSdX (0x0d4/4) /* W PF */
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#define fdTdX (0x0d8/4) /* W PF */
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#define fdWdX (0x0dc/4) /* W PF */
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#define fdRdY (0x0e0/4) /* W PF */
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#define fdGdY (0x0e4/4) /* W PF */
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#define fdBdY (0x0e8/4) /* W PF */
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#define fdZdY (0x0ec/4) /* W PF */
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#define fdAdY (0x0f0/4) /* W PF */
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#define fdSdY (0x0f4/4) /* W PF */
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#define fdTdY (0x0f8/4) /* W PF */
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#define fdWdY (0x0fc/4) /* W PF */
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#define ftriangleCMD (0x100/4) /* W PF */
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#define fbzColorPath (0x104/4) /* RW PF */
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#define fogMode (0x108/4) /* RW PF */
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#define alphaMode (0x10c/4) /* RW PF */
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#define fbzMode (0x110/4) /* RW F */
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#define lfbMode (0x114/4) /* RW F */
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#define clipLeftRight (0x118/4) /* RW F */
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#define clipLowYHighY (0x11c/4) /* RW F */
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#define nopCMD (0x120/4) /* W F */
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#define fastfillCMD (0x124/4) /* W F */
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#define swapbufferCMD (0x128/4) /* W F */
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#define fogColor (0x12c/4) /* W F */
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#define zaColor (0x130/4) /* W F */
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#define chromaKey (0x134/4) /* W F */
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#define chromaRange (0x138/4) /* W F -- Voodoo2/Banshee only */
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#define userIntrCMD (0x13c/4) /* W F -- Voodoo2/Banshee only */
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#define stipple (0x140/4) /* RW F */
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#define color0 (0x144/4) /* RW F */
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#define color1 (0x148/4) /* RW F */
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#define fbiPixelsIn (0x14c/4) /* R */
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#define fbiChromaFail (0x150/4) /* R */
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#define fbiZfuncFail (0x154/4) /* R */
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#define fbiAfuncFail (0x158/4) /* R */
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#define fbiPixelsOut (0x15c/4) /* R */
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#define fogTable (0x160/4) /* W F */
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#define cmdFifoBaseAddr (0x1e0/4) /* RW -- Voodoo2 only */
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#define cmdFifoBump (0x1e4/4) /* RW -- Voodoo2 only */
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#define cmdFifoRdPtr (0x1e8/4) /* RW -- Voodoo2 only */
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#define cmdFifoAMin (0x1ec/4) /* RW -- Voodoo2 only */
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#define colBufferAddr (0x1ec/4) /* RW -- Banshee only */
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#define cmdFifoAMax (0x1f0/4) /* RW -- Voodoo2 only */
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#define colBufferStride (0x1f0/4) /* RW -- Banshee only */
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#define cmdFifoDepth (0x1f4/4) /* RW -- Voodoo2 only */
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#define auxBufferAddr (0x1f4/4) /* RW -- Banshee only */
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#define cmdFifoHoles (0x1f8/4) /* RW -- Voodoo2 only */
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#define auxBufferStride (0x1f8/4) /* RW -- Banshee only */
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#define fbiInit4 (0x200/4) /* RW -- Voodoo/Voodoo2 only */
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#define clipLeftRight1 (0x200/4) /* RW -- Banshee only */
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#define vRetrace (0x204/4) /* R -- Voodoo/Voodoo2 only */
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#define clipTopBottom1 (0x204/4) /* RW -- Banshee only */
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#define backPorch (0x208/4) /* RW -- Voodoo/Voodoo2 only */
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#define videoDimensions (0x20c/4) /* RW -- Voodoo/Voodoo2 only */
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#define fbiInit0 (0x210/4) /* RW -- Voodoo/Voodoo2 only */
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#define fbiInit1 (0x214/4) /* RW -- Voodoo/Voodoo2 only */
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#define fbiInit2 (0x218/4) /* RW -- Voodoo/Voodoo2 only */
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#define fbiInit3 (0x21c/4) /* RW -- Voodoo/Voodoo2 only */
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#define hSync (0x220/4) /* W -- Voodoo/Voodoo2 only */
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#define vSync (0x224/4) /* W -- Voodoo/Voodoo2 only */
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#define clutData (0x228/4) /* W F -- Voodoo/Voodoo2 only */
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#define dacData (0x22c/4) /* W -- Voodoo/Voodoo2 only */
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#define maxRgbDelta (0x230/4) /* W -- Voodoo/Voodoo2 only */
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#define hBorder (0x234/4) /* W -- Voodoo2 only */
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#define vBorder (0x238/4) /* W -- Voodoo2 only */
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#define borderColor (0x23c/4) /* W -- Voodoo2 only */
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#define hvRetrace (0x240/4) /* R -- Voodoo2 only */
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#define fbiInit5 (0x244/4) /* RW -- Voodoo2 only */
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#define fbiInit6 (0x248/4) /* RW -- Voodoo2 only */
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#define fbiInit7 (0x24c/4) /* RW -- Voodoo2 only */
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#define swapPending (0x24c/4) /* W -- Banshee only */
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#define leftOverlayBuf (0x250/4) /* W -- Banshee only */
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#define rightOverlayBuf (0x254/4) /* W -- Banshee only */
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#define fbiSwapHistory (0x258/4) /* R -- Voodoo2/Banshee only */
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#define fbiTrianglesOut (0x25c/4) /* R -- Voodoo2/Banshee only */
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#define sSetupMode (0x260/4) /* W PF -- Voodoo2/Banshee only */
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#define sVx (0x264/4) /* W PF -- Voodoo2/Banshee only */
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#define sVy (0x268/4) /* W PF -- Voodoo2/Banshee only */
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#define sARGB (0x26c/4) /* W PF -- Voodoo2/Banshee only */
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#define sRed (0x270/4) /* W PF -- Voodoo2/Banshee only */
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#define sGreen (0x274/4) /* W PF -- Voodoo2/Banshee only */
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#define sBlue (0x278/4) /* W PF -- Voodoo2/Banshee only */
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#define sAlpha (0x27c/4) /* W PF -- Voodoo2/Banshee only */
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#define sVz (0x280/4) /* W PF -- Voodoo2/Banshee only */
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#define sWb (0x284/4) /* W PF -- Voodoo2/Banshee only */
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#define sWtmu0 (0x288/4) /* W PF -- Voodoo2/Banshee only */
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#define sS_W0 (0x28c/4) /* W PF -- Voodoo2/Banshee only */
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#define sT_W0 (0x290/4) /* W PF -- Voodoo2/Banshee only */
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#define sWtmu1 (0x294/4) /* W PF -- Voodoo2/Banshee only */
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#define sS_Wtmu1 (0x298/4) /* W PF -- Voodoo2/Banshee only */
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#define sT_Wtmu1 (0x29c/4) /* W PF -- Voodoo2/Banshee only */
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#define sDrawTriCMD (0x2a0/4) /* W PF -- Voodoo2/Banshee only */
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#define sBeginTriCMD (0x2a4/4) /* W PF -- Voodoo2/Banshee only */
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#define bltSrcBaseAddr (0x2c0/4) /* RW PF -- Voodoo2 only */
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#define bltDstBaseAddr (0x2c4/4) /* RW PF -- Voodoo2 only */
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#define bltXYStrides (0x2c8/4) /* RW PF -- Voodoo2 only */
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#define bltSrcChromaRange (0x2cc/4) /* RW PF -- Voodoo2 only */
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#define bltDstChromaRange (0x2d0/4) /* RW PF -- Voodoo2 only */
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#define bltClipX (0x2d4/4) /* RW PF -- Voodoo2 only */
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#define bltClipY (0x2d8/4) /* RW PF -- Voodoo2 only */
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#define bltSrcXY (0x2e0/4) /* RW PF -- Voodoo2 only */
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#define bltDstXY (0x2e4/4) /* RW PF -- Voodoo2 only */
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#define bltSize (0x2e8/4) /* RW PF -- Voodoo2 only */
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#define bltRop (0x2ec/4) /* RW PF -- Voodoo2 only */
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#define bltColor (0x2f0/4) /* RW PF -- Voodoo2 only */
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#define bltCommand (0x2f8/4) /* RW PF -- Voodoo2 only */
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#define bltData (0x2fc/4) /* W PF -- Voodoo2 only */
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#define textureMode (0x300/4) /* W PF */
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#define tLOD (0x304/4) /* W PF */
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#define tDetail (0x308/4) /* W PF */
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#define texBaseAddr (0x30c/4) /* W PF */
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#define texBaseAddr_1 (0x310/4) /* W PF */
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#define texBaseAddr_2 (0x314/4) /* W PF */
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#define texBaseAddr_3_8 (0x318/4) /* W PF */
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#define trexInit0 (0x31c/4) /* W F -- Voodoo/Voodoo2 only */
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#define trexInit1 (0x320/4) /* W F */
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#define nccTable (0x324/4) /* W F */
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/*************************************
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* Alias map of the first 64
294
* registers when remapped
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*************************************/
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static const UINT8 register_alias_map[0x40] =
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status, 0x004/4, vertexAx, vertexAy,
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vertexBx, vertexBy, vertexCx, vertexCy,
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startR, dRdX, dRdY, startG,
303
dGdX, dGdY, startB, dBdX,
304
dBdY, startZ, dZdX, dZdY,
305
startA, dAdX, dAdY, startS,
306
dSdX, dSdY, startT, dTdX,
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dTdY, startW, dWdX, dWdY,
309
triangleCMD,0x084/4, fvertexAx, fvertexAy,
310
fvertexBx, fvertexBy, fvertexCx, fvertexCy,
311
fstartR, fdRdX, fdRdY, fstartG,
312
fdGdX, fdGdY, fstartB, fdBdX,
313
fdBdY, fstartZ, fdZdX, fdZdY,
314
fstartA, fdAdX, fdAdY, fstartS,
315
fdSdX, fdSdY, fstartT, fdTdX,
316
fdTdY, fstartW, fdWdX, fdWdY
321
/*************************************
323
* Table of per-register access rights
325
*************************************/
327
static const UINT8 voodoo_register_access[0x100] =
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REG_RP, 0, REG_WPF, REG_WPF,
331
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
332
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
333
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
336
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
337
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
338
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
339
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
342
REG_WPF, 0, REG_WPF, REG_WPF,
343
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
344
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
345
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
348
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
349
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
350
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
351
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
354
REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF,
355
REG_RWF, REG_RWF, REG_RWF, REG_RWF,
356
REG_WF, REG_WF, REG_WF, REG_WF,
357
REG_WF, REG_WF, 0, 0,
360
REG_RWF, REG_RWF, REG_RWF, REG_R,
361
REG_R, REG_R, REG_R, REG_R,
362
REG_WF, REG_WF, REG_WF, REG_WF,
363
REG_WF, REG_WF, REG_WF, REG_WF,
366
REG_WF, REG_WF, REG_WF, REG_WF,
367
REG_WF, REG_WF, REG_WF, REG_WF,
368
REG_WF, REG_WF, REG_WF, REG_WF,
369
REG_WF, REG_WF, REG_WF, REG_WF,
372
REG_WF, REG_WF, REG_WF, REG_WF,
373
REG_WF, REG_WF, REG_WF, REG_WF,
378
REG_RW, REG_R, REG_RW, REG_RW,
379
REG_RW, REG_RW, REG_RW, REG_RW,
380
REG_W, REG_W, REG_W, REG_W,
402
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
403
REG_WPF, REG_WPF, REG_WPF, REG_WF,
404
REG_WF, REG_WF, REG_WF, REG_WF,
405
REG_WF, REG_WF, REG_WF, REG_WF,
408
REG_WF, REG_WF, REG_WF, REG_WF,
409
REG_WF, REG_WF, REG_WF, REG_WF,
410
REG_WF, REG_WF, REG_WF, REG_WF,
411
REG_WF, REG_WF, REG_WF, REG_WF,
418
static const UINT8 voodoo2_register_access[0x100] =
421
REG_RP, REG_RWPT, REG_WPF, REG_WPF,
422
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
423
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
424
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
427
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
428
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
429
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
430
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
433
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
434
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
435
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
436
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
439
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
440
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
441
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
442
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
445
REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF,
446
REG_RWF, REG_RWF, REG_RWF, REG_RWF,
447
REG_WF, REG_WF, REG_WF, REG_WF,
448
REG_WF, REG_WF, REG_WF, REG_WF,
451
REG_RWF, REG_RWF, REG_RWF, REG_R,
452
REG_R, REG_R, REG_R, REG_R,
453
REG_WF, REG_WF, REG_WF, REG_WF,
454
REG_WF, REG_WF, REG_WF, REG_WF,
457
REG_WF, REG_WF, REG_WF, REG_WF,
458
REG_WF, REG_WF, REG_WF, REG_WF,
459
REG_WF, REG_WF, REG_WF, REG_WF,
460
REG_WF, REG_WF, REG_WF, REG_WF,
463
REG_WF, REG_WF, REG_WF, REG_WF,
464
REG_WF, REG_WF, REG_WF, REG_WF,
465
REG_RWT, REG_RWT, REG_RWT, REG_RWT,
466
REG_RWT, REG_RWT, REG_RWT, REG_RW,
469
REG_RWT, REG_R, REG_RWT, REG_RWT,
470
REG_RWT, REG_RWT, REG_RWT, REG_RWT,
471
REG_WT, REG_WT, REG_WF, REG_WT,
472
REG_WT, REG_WT, REG_WT, REG_WT,
475
REG_R, REG_RWT, REG_RWT, REG_RWT,
477
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
478
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
481
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
482
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
483
REG_WPF, REG_WPF, 0, 0,
487
REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF,
488
REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF,
489
REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF,
490
REG_RWPF, REG_RWPF, REG_RWPF, REG_WPF,
493
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
494
REG_WPF, REG_WPF, REG_WPF, REG_WF,
495
REG_WF, REG_WF, REG_WF, REG_WF,
496
REG_WF, REG_WF, REG_WF, REG_WF,
499
REG_WF, REG_WF, REG_WF, REG_WF,
500
REG_WF, REG_WF, REG_WF, REG_WF,
501
REG_WF, REG_WF, REG_WF, REG_WF,
502
REG_WF, REG_WF, REG_WF, REG_WF,
509
static const UINT8 banshee_register_access[0x100] =
512
REG_RP, REG_RWPT, REG_WPF, REG_WPF,
513
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
514
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
515
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
518
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
519
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
520
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
521
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
524
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
525
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
526
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
527
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
530
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
531
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
532
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
533
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
536
REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF,
537
REG_RWF, REG_RWF, REG_RWF, REG_RWF,
538
REG_WF, REG_WF, REG_WF, REG_WF,
539
REG_WF, REG_WF, REG_WF, REG_WF,
542
REG_RWF, REG_RWF, REG_RWF, REG_R,
543
REG_R, REG_R, REG_R, REG_R,
544
REG_WF, REG_WF, REG_WF, REG_WF,
545
REG_WF, REG_WF, REG_WF, REG_WF,
548
REG_WF, REG_WF, REG_WF, REG_WF,
549
REG_WF, REG_WF, REG_WF, REG_WF,
550
REG_WF, REG_WF, REG_WF, REG_WF,
551
REG_WF, REG_WF, REG_WF, REG_WF,
554
REG_WF, REG_WF, REG_WF, REG_WF,
555
REG_WF, REG_WF, REG_WF, REG_WF,
557
REG_RWF, REG_RWF, REG_RWF, 0,
560
REG_RWF, REG_RWF, 0, 0,
567
REG_RWF, REG_RWF, REG_WPF, REG_WPF,
568
REG_WPF, REG_WPF, REG_R, REG_R,
569
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
572
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
573
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
574
REG_WPF, REG_WPF, 0, 0,
584
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
585
REG_WPF, REG_WPF, REG_WPF, 0,
586
REG_WF, REG_WF, REG_WF, REG_WF,
587
REG_WF, REG_WF, REG_WF, REG_WF,
590
REG_WF, REG_WF, REG_WF, REG_WF,
591
REG_WF, REG_WF, REG_WF, REG_WF,
592
REG_WF, REG_WF, REG_WF, REG_WF,
593
REG_WF, REG_WF, REG_WF, REG_WF,
601
/*************************************
603
* Register string table for debug
605
*************************************/
607
static const char *voodoo_reg_name[] =
610
"status", "{intrCtrl}", "vertexAx", "vertexAy",
611
"vertexBx", "vertexBy", "vertexCx", "vertexCy",
612
"startR", "startG", "startB", "startZ",
613
"startA", "startS", "startT", "startW",
615
"dRdX", "dGdX", "dBdX", "dZdX",
616
"dAdX", "dSdX", "dTdX", "dWdX",
617
"dRdY", "dGdY", "dBdY", "dZdY",
618
"dAdY", "dSdY", "dTdY", "dWdY",
620
"triangleCMD", "reserved084", "fvertexAx", "fvertexAy",
621
"fvertexBx", "fvertexBy", "fvertexCx", "fvertexCy",
622
"fstartR", "fstartG", "fstartB", "fstartZ",
623
"fstartA", "fstartS", "fstartT", "fstartW",
625
"fdRdX", "fdGdX", "fdBdX", "fdZdX",
626
"fdAdX", "fdSdX", "fdTdX", "fdWdX",
627
"fdRdY", "fdGdY", "fdBdY", "fdZdY",
628
"fdAdY", "fdSdY", "fdTdY", "fdWdY",
630
"ftriangleCMD", "fbzColorPath", "fogMode", "alphaMode",
631
"fbzMode", "lfbMode", "clipLeftRight","clipLowYHighY",
632
"nopCMD", "fastfillCMD", "swapbufferCMD","fogColor",
633
"zaColor", "chromaKey", "{chromaRange}","{userIntrCMD}",
635
"stipple", "color0", "color1", "fbiPixelsIn",
636
"fbiChromaFail","fbiZfuncFail", "fbiAfuncFail", "fbiPixelsOut",
637
"fogTable160", "fogTable164", "fogTable168", "fogTable16c",
638
"fogTable170", "fogTable174", "fogTable178", "fogTable17c",
640
"fogTable180", "fogTable184", "fogTable188", "fogTable18c",
641
"fogTable190", "fogTable194", "fogTable198", "fogTable19c",
642
"fogTable1a0", "fogTable1a4", "fogTable1a8", "fogTable1ac",
643
"fogTable1b0", "fogTable1b4", "fogTable1b8", "fogTable1bc",
645
"fogTable1c0", "fogTable1c4", "fogTable1c8", "fogTable1cc",
646
"fogTable1d0", "fogTable1d4", "fogTable1d8", "fogTable1dc",
647
"{cmdFifoBaseAddr}","{cmdFifoBump}","{cmdFifoRdPtr}","{cmdFifoAMin}",
648
"{cmdFifoAMax}","{cmdFifoDepth}","{cmdFifoHoles}","reserved1fc",
650
"fbiInit4", "vRetrace", "backPorch", "videoDimensions",
651
"fbiInit0", "fbiInit1", "fbiInit2", "fbiInit3",
652
"hSync", "vSync", "clutData", "dacData",
653
"maxRgbDelta", "{hBorder}", "{vBorder}", "{borderColor}",
655
"{hvRetrace}", "{fbiInit5}", "{fbiInit6}", "{fbiInit7}",
656
"reserved250", "reserved254", "{fbiSwapHistory}","{fbiTrianglesOut}",
657
"{sSetupMode}", "{sVx}", "{sVy}", "{sARGB}",
658
"{sRed}", "{sGreen}", "{sBlue}", "{sAlpha}",
660
"{sVz}", "{sWb}", "{sWtmu0}", "{sS/Wtmu0}",
661
"{sT/Wtmu0}", "{sWtmu1}", "{sS/Wtmu1}", "{sT/Wtmu1}",
662
"{sDrawTriCMD}","{sBeginTriCMD}","reserved2a8", "reserved2ac",
663
"reserved2b0", "reserved2b4", "reserved2b8", "reserved2bc",
665
"{bltSrcBaseAddr}","{bltDstBaseAddr}","{bltXYStrides}","{bltSrcChromaRange}",
666
"{bltDstChromaRange}","{bltClipX}","{bltClipY}","reserved2dc",
667
"{bltSrcXY}", "{bltDstXY}", "{bltSize}", "{bltRop}",
668
"{bltColor}", "reserved2f4", "{bltCommand}", "{bltData}",
670
"textureMode", "tLOD", "tDetail", "texBaseAddr",
671
"texBaseAddr_1","texBaseAddr_2","texBaseAddr_3_8","trexInit0",
672
"trexInit1", "nccTable0.0", "nccTable0.1", "nccTable0.2",
673
"nccTable0.3", "nccTable0.4", "nccTable0.5", "nccTable0.6",
675
"nccTable0.7", "nccTable0.8", "nccTable0.9", "nccTable0.A",
676
"nccTable0.B", "nccTable1.0", "nccTable1.1", "nccTable1.2",
677
"nccTable1.3", "nccTable1.4", "nccTable1.5", "nccTable1.6",
678
"nccTable1.7", "nccTable1.8", "nccTable1.9", "nccTable1.A",
684
static const char *banshee_reg_name[] =
687
"status", "intrCtrl", "vertexAx", "vertexAy",
688
"vertexBx", "vertexBy", "vertexCx", "vertexCy",
689
"startR", "startG", "startB", "startZ",
690
"startA", "startS", "startT", "startW",
692
"dRdX", "dGdX", "dBdX", "dZdX",
693
"dAdX", "dSdX", "dTdX", "dWdX",
694
"dRdY", "dGdY", "dBdY", "dZdY",
695
"dAdY", "dSdY", "dTdY", "dWdY",
697
"triangleCMD", "reserved084", "fvertexAx", "fvertexAy",
698
"fvertexBx", "fvertexBy", "fvertexCx", "fvertexCy",
699
"fstartR", "fstartG", "fstartB", "fstartZ",
700
"fstartA", "fstartS", "fstartT", "fstartW",
702
"fdRdX", "fdGdX", "fdBdX", "fdZdX",
703
"fdAdX", "fdSdX", "fdTdX", "fdWdX",
704
"fdRdY", "fdGdY", "fdBdY", "fdZdY",
705
"fdAdY", "fdSdY", "fdTdY", "fdWdY",
707
"ftriangleCMD", "fbzColorPath", "fogMode", "alphaMode",
708
"fbzMode", "lfbMode", "clipLeftRight","clipLowYHighY",
709
"nopCMD", "fastfillCMD", "swapbufferCMD","fogColor",
710
"zaColor", "chromaKey", "chromaRange", "userIntrCMD",
712
"stipple", "color0", "color1", "fbiPixelsIn",
713
"fbiChromaFail","fbiZfuncFail", "fbiAfuncFail", "fbiPixelsOut",
714
"fogTable160", "fogTable164", "fogTable168", "fogTable16c",
715
"fogTable170", "fogTable174", "fogTable178", "fogTable17c",
717
"fogTable180", "fogTable184", "fogTable188", "fogTable18c",
718
"fogTable190", "fogTable194", "fogTable198", "fogTable19c",
719
"fogTable1a0", "fogTable1a4", "fogTable1a8", "fogTable1ac",
720
"fogTable1b0", "fogTable1b4", "fogTable1b8", "fogTable1bc",
722
"fogTable1c0", "fogTable1c4", "fogTable1c8", "fogTable1cc",
723
"fogTable1d0", "fogTable1d4", "fogTable1d8", "fogTable1dc",
724
"reserved1e0", "reserved1e4", "reserved1e8", "colBufferAddr",
725
"colBufferStride","auxBufferAddr","auxBufferStride","reserved1fc",
727
"clipLeftRight1","clipTopBottom1","reserved208","reserved20c",
728
"reserved210", "reserved214", "reserved218", "reserved21c",
729
"reserved220", "reserved224", "reserved228", "reserved22c",
730
"reserved230", "reserved234", "reserved238", "reserved23c",
732
"reserved240", "reserved244", "reserved248", "swapPending",
733
"leftOverlayBuf","rightOverlayBuf","fbiSwapHistory","fbiTrianglesOut",
734
"sSetupMode", "sVx", "sVy", "sARGB",
735
"sRed", "sGreen", "sBlue", "sAlpha",
737
"sVz", "sWb", "sWtmu0", "sS/Wtmu0",
738
"sT/Wtmu0", "sWtmu1", "sS/Wtmu1", "sT/Wtmu1",
739
"sDrawTriCMD", "sBeginTriCMD", "reserved2a8", "reserved2ac",
740
"reserved2b0", "reserved2b4", "reserved2b8", "reserved2bc",
742
"reserved2c0", "reserved2c4", "reserved2c8", "reserved2cc",
743
"reserved2d0", "reserved2d4", "reserved2d8", "reserved2dc",
744
"reserved2e0", "reserved2e4", "reserved2e8", "reserved2ec",
745
"reserved2f0", "reserved2f4", "reserved2f8", "reserved2fc",
747
"textureMode", "tLOD", "tDetail", "texBaseAddr",
748
"texBaseAddr_1","texBaseAddr_2","texBaseAddr_3_8","reserved31c",
749
"trexInit1", "nccTable0.0", "nccTable0.1", "nccTable0.2",
750
"nccTable0.3", "nccTable0.4", "nccTable0.5", "nccTable0.6",
752
"nccTable0.7", "nccTable0.8", "nccTable0.9", "nccTable0.A",
753
"nccTable0.B", "nccTable1.0", "nccTable1.1", "nccTable1.2",
754
"nccTable1.3", "nccTable1.4", "nccTable1.5", "nccTable1.6",
755
"nccTable1.7", "nccTable1.8", "nccTable1.9", "nccTable1.A",
762
/*************************************
764
* Voodoo Banshee I/O space registers
766
*************************************/
769
#define io_status (0x000/4) /* */
770
#define io_pciInit0 (0x004/4) /* */
771
#define io_sipMonitor (0x008/4) /* */
772
#define io_lfbMemoryConfig (0x00c/4) /* */
773
#define io_miscInit0 (0x010/4) /* */
774
#define io_miscInit1 (0x014/4) /* */
775
#define io_dramInit0 (0x018/4) /* */
776
#define io_dramInit1 (0x01c/4) /* */
777
#define io_agpInit (0x020/4) /* */
778
#define io_tmuGbeInit (0x024/4) /* */
779
#define io_vgaInit0 (0x028/4) /* */
780
#define io_vgaInit1 (0x02c/4) /* */
781
#define io_dramCommand (0x030/4) /* */
782
#define io_dramData (0x034/4) /* */
785
#define io_pllCtrl0 (0x040/4) /* */
786
#define io_pllCtrl1 (0x044/4) /* */
787
#define io_pllCtrl2 (0x048/4) /* */
788
#define io_dacMode (0x04c/4) /* */
789
#define io_dacAddr (0x050/4) /* */
790
#define io_dacData (0x054/4) /* */
791
#define io_rgbMaxDelta (0x058/4) /* */
792
#define io_vidProcCfg (0x05c/4) /* */
793
#define io_hwCurPatAddr (0x060/4) /* */
794
#define io_hwCurLoc (0x064/4) /* */
795
#define io_hwCurC0 (0x068/4) /* */
796
#define io_hwCurC1 (0x06c/4) /* */
797
#define io_vidInFormat (0x070/4) /* */
798
#define io_vidInStatus (0x074/4) /* */
799
#define io_vidSerialParallelPort (0x078/4) /* */
800
#define io_vidInXDecimDeltas (0x07c/4) /* */
803
#define io_vidInDecimInitErrs (0x080/4) /* */
804
#define io_vidInYDecimDeltas (0x084/4) /* */
805
#define io_vidPixelBufThold (0x088/4) /* */
806
#define io_vidChromaMin (0x08c/4) /* */
807
#define io_vidChromaMax (0x090/4) /* */
808
#define io_vidCurrentLine (0x094/4) /* */
809
#define io_vidScreenSize (0x098/4) /* */
810
#define io_vidOverlayStartCoords (0x09c/4) /* */
811
#define io_vidOverlayEndScreenCoord (0x0a0/4) /* */
812
#define io_vidOverlayDudx (0x0a4/4) /* */
813
#define io_vidOverlayDudxOffsetSrcWidth (0x0a8/4) /* */
814
#define io_vidOverlayDvdy (0x0ac/4) /* */
815
#define io_vgab0 (0x0b0/4) /* */
816
#define io_vgab4 (0x0b4/4) /* */
817
#define io_vgab8 (0x0b8/4) /* */
818
#define io_vgabc (0x0bc/4) /* */
821
#define io_vgac0 (0x0c0/4) /* */
822
#define io_vgac4 (0x0c4/4) /* */
823
#define io_vgac8 (0x0c8/4) /* */
824
#define io_vgacc (0x0cc/4) /* */
825
#define io_vgad0 (0x0d0/4) /* */
826
#define io_vgad4 (0x0d4/4) /* */
827
#define io_vgad8 (0x0d8/4) /* */
828
#define io_vgadc (0x0dc/4) /* */
829
#define io_vidOverlayDvdyOffset (0x0e0/4) /* */
830
#define io_vidDesktopStartAddr (0x0e4/4) /* */
831
#define io_vidDesktopOverlayStride (0x0e8/4) /* */
832
#define io_vidInAddr0 (0x0ec/4) /* */
833
#define io_vidInAddr1 (0x0f0/4) /* */
834
#define io_vidInAddr2 (0x0f4/4) /* */
835
#define io_vidInStride (0x0f8/4) /* */
836
#define io_vidCurrOverlayStartAddr (0x0fc/4) /* */
840
/*************************************
842
* Register string table for debug
844
*************************************/
846
static const char *banshee_io_reg_name[] =
849
"status", "pciInit0", "sipMonitor", "lfbMemoryConfig",
850
"miscInit0", "miscInit1", "dramInit0", "dramInit1",
851
"agpInit", "tmuGbeInit", "vgaInit0", "vgaInit1",
852
"dramCommand", "dramData", "reserved38", "reserved3c",
855
"pllCtrl0", "pllCtrl1", "pllCtrl2", "dacMode",
856
"dacAddr", "dacData", "rgbMaxDelta", "vidProcCfg",
857
"hwCurPatAddr", "hwCurLoc", "hwCurC0", "hwCurC1",
858
"vidInFormat", "vidInStatus", "vidSerialParallelPort","vidInXDecimDeltas",
861
"vidInDecimInitErrs","vidInYDecimDeltas","vidPixelBufThold","vidChromaMin",
862
"vidChromaMax", "vidCurrentLine","vidScreenSize","vidOverlayStartCoords",
863
"vidOverlayEndScreenCoord","vidOverlayDudx","vidOverlayDudxOffsetSrcWidth","vidOverlayDvdy",
864
"vga[b0]", "vga[b4]", "vga[b8]", "vga[bc]",
867
"vga[c0]", "vga[c4]", "vga[c8]", "vga[cc]",
868
"vga[d0]", "vga[d4]", "vga[d8]", "vga[dc]",
869
"vidOverlayDvdyOffset","vidDesktopStartAddr","vidDesktopOverlayStride","vidInAddr0",
870
"vidInAddr1", "vidInAddr2", "vidInStride", "vidCurrOverlayStartAddr"
875
/*************************************
877
* Voodoo Banshee AGP space registers
879
*************************************/
882
#define agpReqSize (0x000/4) /* */
883
#define agpHostAddressLow (0x004/4) /* */
884
#define agpHostAddressHigh (0x008/4) /* */
885
#define agpGraphicsAddress (0x00c/4) /* */
886
#define agpGraphicsStride (0x010/4) /* */
887
#define agpMoveCMD (0x014/4) /* */
888
#define cmdBaseAddr0 (0x020/4) /* */
889
#define cmdBaseSize0 (0x024/4) /* */
890
#define cmdBump0 (0x028/4) /* */
891
#define cmdRdPtrL0 (0x02c/4) /* */
892
#define cmdRdPtrH0 (0x030/4) /* */
893
#define cmdAMin0 (0x034/4) /* */
894
#define cmdAMax0 (0x03c/4) /* */
897
#define cmdFifoDepth0 (0x044/4) /* */
898
#define cmdHoleCnt0 (0x048/4) /* */
899
#define cmdBaseAddr1 (0x050/4) /* */
900
#define cmdBaseSize1 (0x054/4) /* */
901
#define cmdBump1 (0x058/4) /* */
902
#define cmdRdPtrL1 (0x05c/4) /* */
903
#define cmdRdPtrH1 (0x060/4) /* */
904
#define cmdAMin1 (0x064/4) /* */
905
#define cmdAMax1 (0x06c/4) /* */
906
#define cmdFifoDepth1 (0x074/4) /* */
907
#define cmdHoleCnt1 (0x078/4) /* */
910
#define cmdFifoThresh (0x080/4) /* */
911
#define cmdHoleInt (0x084/4) /* */
914
#define yuvBaseAddress (0x100/4) /* */
915
#define yuvStride (0x104/4) /* */
916
#define crc1 (0x120/4) /* */
917
#define crc2 (0x130/4) /* */
921
/*************************************
923
* Register string table for debug
925
*************************************/
927
static const char *banshee_agp_reg_name[] =
930
"agpReqSize", "agpHostAddressLow","agpHostAddressHigh","agpGraphicsAddress",
931
"agpGraphicsStride","agpMoveCMD","reserved18", "reserved1c",
932
"cmdBaseAddr0", "cmdBaseSize0", "cmdBump0", "cmdRdPtrL0",
933
"cmdRdPtrH0", "cmdAMin0", "reserved38", "cmdAMax0",
936
"reserved40", "cmdFifoDepth0","cmdHoleCnt0", "reserved4c",
937
"cmdBaseAddr1", "cmdBaseSize1", "cmdBump1", "cmdRdPtrL1",
938
"cmdRdPtrH1", "cmdAMin1", "reserved68", "cmdAMax1",
939
"reserved70", "cmdFifoDepth1","cmdHoleCnt1", "reserved7c",
942
"cmdFifoThresh","cmdHoleInt", "reserved88", "reserved8c",
943
"reserved90", "reserved94", "reserved98", "reserved9c",
944
"reserveda0", "reserveda4", "reserveda8", "reservedac",
945
"reservedb0", "reservedb4", "reservedb8", "reservedbc",
948
"reservedc0", "reservedc4", "reservedc8", "reservedcc",
949
"reservedd0", "reservedd4", "reservedd8", "reserveddc",
950
"reservede0", "reservede4", "reservede8", "reservedec",
951
"reservedf0", "reservedf4", "reservedf8", "reservedfc",
954
"yuvBaseAddress","yuvStride", "reserved108", "reserved10c",
955
"reserved110", "reserved114", "reserved118", "reserved11c",
956
"crc1", "reserved124", "reserved128", "reserved12c",
957
"crc2", "reserved134", "reserved138", "reserved13c"
962
/*************************************
966
*************************************/
968
static const UINT8 dither_matrix_4x4[16] =
976
static const UINT8 dither_matrix_2x2[4] =
984
/*************************************
986
* Macros for extracting pixels
988
*************************************/
990
#define EXTRACT_565_TO_888(val, a, b, c) \
991
(a) = (((val) >> 8) & 0xf8) | (((val) >> 13) & 0x07); \
992
(b) = (((val) >> 3) & 0xfc) | (((val) >> 9) & 0x03); \
993
(c) = (((val) << 3) & 0xf8) | (((val) >> 2) & 0x07); \
995
#define EXTRACT_x555_TO_888(val, a, b, c) \
996
(a) = (((val) >> 7) & 0xf8) | (((val) >> 12) & 0x07); \
997
(b) = (((val) >> 2) & 0xf8) | (((val) >> 7) & 0x07); \
998
(c) = (((val) << 3) & 0xf8) | (((val) >> 2) & 0x07); \
1000
#define EXTRACT_555x_TO_888(val, a, b, c) \
1001
(a) = (((val) >> 8) & 0xf8) | (((val) >> 13) & 0x07); \
1002
(b) = (((val) >> 3) & 0xf8) | (((val) >> 8) & 0x07); \
1003
(c) = (((val) << 2) & 0xf8) | (((val) >> 3) & 0x07); \
1005
#define EXTRACT_1555_TO_8888(val, a, b, c, d) \
1006
(a) = ((INT16)(val) >> 15) & 0xff; \
1007
EXTRACT_x555_TO_888(val, b, c, d) \
1009
#define EXTRACT_5551_TO_8888(val, a, b, c, d) \
1010
EXTRACT_555x_TO_888(val, a, b, c) \
1011
(d) = ((val) & 0x0001) ? 0xff : 0x00; \
1013
#define EXTRACT_x888_TO_888(val, a, b, c) \
1014
(a) = ((val) >> 16) & 0xff; \
1015
(b) = ((val) >> 8) & 0xff; \
1016
(c) = ((val) >> 0) & 0xff; \
1018
#define EXTRACT_888x_TO_888(val, a, b, c) \
1019
(a) = ((val) >> 24) & 0xff; \
1020
(b) = ((val) >> 16) & 0xff; \
1021
(c) = ((val) >> 8) & 0xff; \
1023
#define EXTRACT_8888_TO_8888(val, a, b, c, d) \
1024
(a) = ((val) >> 24) & 0xff; \
1025
(b) = ((val) >> 16) & 0xff; \
1026
(c) = ((val) >> 8) & 0xff; \
1027
(d) = ((val) >> 0) & 0xff; \
1029
#define EXTRACT_4444_TO_8888(val, a, b, c, d) \
1030
(a) = (((val) >> 8) & 0xf0) | (((val) >> 12) & 0x0f); \
1031
(b) = (((val) >> 4) & 0xf0) | (((val) >> 8) & 0x0f); \
1032
(c) = (((val) >> 0) & 0xf0) | (((val) >> 4) & 0x0f); \
1033
(d) = (((val) << 4) & 0xf0) | (((val) >> 0) & 0x0f); \
1035
#define EXTRACT_332_TO_888(val, a, b, c) \
1036
(a) = (((val) >> 0) & 0xe0) | (((val) >> 3) & 0x1c) | (((val) >> 6) & 0x03); \
1037
(b) = (((val) << 3) & 0xe0) | (((val) >> 0) & 0x1c) | (((val) >> 3) & 0x03); \
1038
(c) = (((val) << 6) & 0xc0) | (((val) << 4) & 0x30) | (((val) << 2) & 0xc0) | (((val) << 0) & 0x03); \
1042
/*************************************
1046
*************************************/
1048
/* macro for clamping a value between minimum and maximum values */
1049
#define CLAMP(val,min,max) do { if ((val) < (min)) { (val) = (min); } else if ((val) > (max)) { (val) = (max); } } while (0)
1051
/* macro to compute the base 2 log for LOD calculations */
1052
#define LOGB2(x) (log((double)(x)) / log(2.0))
1056
/*************************************
1058
* Macros for extracting bitfields
1060
*************************************/
1062
#define INITEN_ENABLE_HW_INIT(val) (((val) >> 0) & 1)
1063
#define INITEN_ENABLE_PCI_FIFO(val) (((val) >> 1) & 1)
1064
#define INITEN_REMAP_INIT_TO_DAC(val) (((val) >> 2) & 1)
1065
#define INITEN_ENABLE_SNOOP0(val) (((val) >> 4) & 1)
1066
#define INITEN_SNOOP0_MEMORY_MATCH(val) (((val) >> 5) & 1)
1067
#define INITEN_SNOOP0_READWRITE_MATCH(val) (((val) >> 6) & 1)
1068
#define INITEN_ENABLE_SNOOP1(val) (((val) >> 7) & 1)
1069
#define INITEN_SNOOP1_MEMORY_MATCH(val) (((val) >> 8) & 1)
1070
#define INITEN_SNOOP1_READWRITE_MATCH(val) (((val) >> 9) & 1)
1071
#define INITEN_SLI_BUS_OWNER(val) (((val) >> 10) & 1)
1072
#define INITEN_SLI_ODD_EVEN(val) (((val) >> 11) & 1)
1073
#define INITEN_SECONDARY_REV_ID(val) (((val) >> 12) & 0xf) /* voodoo 2 only */
1074
#define INITEN_MFCTR_FAB_ID(val) (((val) >> 16) & 0xf) /* voodoo 2 only */
1075
#define INITEN_ENABLE_PCI_INTERRUPT(val) (((val) >> 20) & 1) /* voodoo 2 only */
1076
#define INITEN_PCI_INTERRUPT_TIMEOUT(val) (((val) >> 21) & 1) /* voodoo 2 only */
1077
#define INITEN_ENABLE_NAND_TREE_TEST(val) (((val) >> 22) & 1) /* voodoo 2 only */
1078
#define INITEN_ENABLE_SLI_ADDRESS_SNOOP(val) (((val) >> 23) & 1) /* voodoo 2 only */
1079
#define INITEN_SLI_SNOOP_ADDRESS(val) (((val) >> 24) & 0xff) /* voodoo 2 only */
1081
#define FBZCP_CC_RGBSELECT(val) (((val) >> 0) & 3)
1082
#define FBZCP_CC_ASELECT(val) (((val) >> 2) & 3)
1083
#define FBZCP_CC_LOCALSELECT(val) (((val) >> 4) & 1)
1084
#define FBZCP_CCA_LOCALSELECT(val) (((val) >> 5) & 3)
1085
#define FBZCP_CC_LOCALSELECT_OVERRIDE(val) (((val) >> 7) & 1)
1086
#define FBZCP_CC_ZERO_OTHER(val) (((val) >> 8) & 1)
1087
#define FBZCP_CC_SUB_CLOCAL(val) (((val) >> 9) & 1)
1088
#define FBZCP_CC_MSELECT(val) (((val) >> 10) & 7)
1089
#define FBZCP_CC_REVERSE_BLEND(val) (((val) >> 13) & 1)
1090
#define FBZCP_CC_ADD_ACLOCAL(val) (((val) >> 14) & 3)
1091
#define FBZCP_CC_INVERT_OUTPUT(val) (((val) >> 16) & 1)
1092
#define FBZCP_CCA_ZERO_OTHER(val) (((val) >> 17) & 1)
1093
#define FBZCP_CCA_SUB_CLOCAL(val) (((val) >> 18) & 1)
1094
#define FBZCP_CCA_MSELECT(val) (((val) >> 19) & 7)
1095
#define FBZCP_CCA_REVERSE_BLEND(val) (((val) >> 22) & 1)
1096
#define FBZCP_CCA_ADD_ACLOCAL(val) (((val) >> 23) & 3)
1097
#define FBZCP_CCA_INVERT_OUTPUT(val) (((val) >> 25) & 1)
1098
#define FBZCP_CCA_SUBPIXEL_ADJUST(val) (((val) >> 26) & 1)
1099
#define FBZCP_TEXTURE_ENABLE(val) (((val) >> 27) & 1)
1100
#define FBZCP_RGBZW_CLAMP(val) (((val) >> 28) & 1) /* voodoo 2 only */
1101
#define FBZCP_ANTI_ALIAS(val) (((val) >> 29) & 1) /* voodoo 2 only */
1103
#define ALPHAMODE_ALPHATEST(val) (((val) >> 0) & 1)
1104
#define ALPHAMODE_ALPHAFUNCTION(val) (((val) >> 1) & 7)
1105
#define ALPHAMODE_ALPHABLEND(val) (((val) >> 4) & 1)
1106
#define ALPHAMODE_ANTIALIAS(val) (((val) >> 5) & 1)
1107
#define ALPHAMODE_SRCRGBBLEND(val) (((val) >> 8) & 15)
1108
#define ALPHAMODE_DSTRGBBLEND(val) (((val) >> 12) & 15)
1109
#define ALPHAMODE_SRCALPHABLEND(val) (((val) >> 16) & 15)
1110
#define ALPHAMODE_DSTALPHABLEND(val) (((val) >> 20) & 15)
1111
#define ALPHAMODE_ALPHAREF(val) (((val) >> 24) & 0xff)
1113
#define FOGMODE_ENABLE_FOG(val) (((val) >> 0) & 1)
1114
#define FOGMODE_FOG_ADD(val) (((val) >> 1) & 1)
1115
#define FOGMODE_FOG_MULT(val) (((val) >> 2) & 1)
1116
#define FOGMODE_FOG_ZALPHA(val) (((val) >> 3) & 3)
1117
#define FOGMODE_FOG_CONSTANT(val) (((val) >> 5) & 1)
1118
#define FOGMODE_FOG_DITHER(val) (((val) >> 6) & 1) /* voodoo 2 only */
1119
#define FOGMODE_FOG_ZONES(val) (((val) >> 7) & 1) /* voodoo 2 only */
1121
#define FBZMODE_ENABLE_CLIPPING(val) (((val) >> 0) & 1)
1122
#define FBZMODE_ENABLE_CHROMAKEY(val) (((val) >> 1) & 1)
1123
#define FBZMODE_ENABLE_STIPPLE(val) (((val) >> 2) & 1)
1124
#define FBZMODE_WBUFFER_SELECT(val) (((val) >> 3) & 1)
1125
#define FBZMODE_ENABLE_DEPTHBUF(val) (((val) >> 4) & 1)
1126
#define FBZMODE_DEPTH_FUNCTION(val) (((val) >> 5) & 7)
1127
#define FBZMODE_ENABLE_DITHERING(val) (((val) >> 8) & 1)
1128
#define FBZMODE_RGB_BUFFER_MASK(val) (((val) >> 9) & 1)
1129
#define FBZMODE_AUX_BUFFER_MASK(val) (((val) >> 10) & 1)
1130
#define FBZMODE_DITHER_TYPE(val) (((val) >> 11) & 1)
1131
#define FBZMODE_STIPPLE_PATTERN(val) (((val) >> 12) & 1)
1132
#define FBZMODE_ENABLE_ALPHA_MASK(val) (((val) >> 13) & 1)
1133
#define FBZMODE_DRAW_BUFFER(val) (((val) >> 14) & 3)
1134
#define FBZMODE_ENABLE_DEPTH_BIAS(val) (((val) >> 16) & 1)
1135
#define FBZMODE_Y_ORIGIN(val) (((val) >> 17) & 1)
1136
#define FBZMODE_ENABLE_ALPHA_PLANES(val) (((val) >> 18) & 1)
1137
#define FBZMODE_ALPHA_DITHER_SUBTRACT(val) (((val) >> 19) & 1)
1138
#define FBZMODE_DEPTH_SOURCE_COMPARE(val) (((val) >> 20) & 1)
1139
#define FBZMODE_DEPTH_FLOAT_SELECT(val) (((val) >> 21) & 1) /* voodoo 2 only */
1141
#define LFBMODE_WRITE_FORMAT(val) (((val) >> 0) & 0xf)
1142
#define LFBMODE_WRITE_BUFFER_SELECT(val) (((val) >> 4) & 3)
1143
#define LFBMODE_READ_BUFFER_SELECT(val) (((val) >> 6) & 3)
1144
#define LFBMODE_ENABLE_PIXEL_PIPELINE(val) (((val) >> 8) & 1)
1145
#define LFBMODE_RGBA_LANES(val) (((val) >> 9) & 3)
1146
#define LFBMODE_WORD_SWAP_WRITES(val) (((val) >> 11) & 1)
1147
#define LFBMODE_BYTE_SWIZZLE_WRITES(val) (((val) >> 12) & 1)
1148
#define LFBMODE_Y_ORIGIN(val) (((val) >> 13) & 1)
1149
#define LFBMODE_WRITE_W_SELECT(val) (((val) >> 14) & 1)
1150
#define LFBMODE_WORD_SWAP_READS(val) (((val) >> 15) & 1)
1151
#define LFBMODE_BYTE_SWIZZLE_READS(val) (((val) >> 16) & 1)
1153
#define CHROMARANGE_BLUE_EXCLUSIVE(val) (((val) >> 24) & 1)
1154
#define CHROMARANGE_GREEN_EXCLUSIVE(val) (((val) >> 25) & 1)
1155
#define CHROMARANGE_RED_EXCLUSIVE(val) (((val) >> 26) & 1)
1156
#define CHROMARANGE_UNION_MODE(val) (((val) >> 27) & 1)
1157
#define CHROMARANGE_ENABLE(val) (((val) >> 28) & 1)
1159
#define FBIINIT0_VGA_PASSTHRU(val) (((val) >> 0) & 1)
1160
#define FBIINIT0_GRAPHICS_RESET(val) (((val) >> 1) & 1)
1161
#define FBIINIT0_FIFO_RESET(val) (((val) >> 2) & 1)
1162
#define FBIINIT0_SWIZZLE_REG_WRITES(val) (((val) >> 3) & 1)
1163
#define FBIINIT0_STALL_PCIE_FOR_HWM(val) (((val) >> 4) & 1)
1164
#define FBIINIT0_PCI_FIFO_LWM(val) (((val) >> 6) & 0x1f)
1165
#define FBIINIT0_LFB_TO_MEMORY_FIFO(val) (((val) >> 11) & 1)
1166
#define FBIINIT0_TEXMEM_TO_MEMORY_FIFO(val) (((val) >> 12) & 1)
1167
#define FBIINIT0_ENABLE_MEMORY_FIFO(val) (((val) >> 13) & 1)
1168
#define FBIINIT0_MEMORY_FIFO_HWM(val) (((val) >> 14) & 0x7ff)
1169
#define FBIINIT0_MEMORY_FIFO_BURST(val) (((val) >> 25) & 0x3f)
1171
#define FBIINIT1_PCI_DEV_FUNCTION(val) (((val) >> 0) & 1)
1172
#define FBIINIT1_PCI_WRITE_WAIT_STATES(val) (((val) >> 1) & 1)
1173
#define FBIINIT1_MULTI_SST1(val) (((val) >> 2) & 1) /* not on voodoo 2 */
1174
#define FBIINIT1_ENABLE_LFB(val) (((val) >> 3) & 1)
1175
#define FBIINIT1_X_VIDEO_TILES(val) (((val) >> 4) & 0xf)
1176
#define FBIINIT1_VIDEO_TIMING_RESET(val) (((val) >> 8) & 1)
1177
#define FBIINIT1_SOFTWARE_OVERRIDE(val) (((val) >> 9) & 1)
1178
#define FBIINIT1_SOFTWARE_HSYNC(val) (((val) >> 10) & 1)
1179
#define FBIINIT1_SOFTWARE_VSYNC(val) (((val) >> 11) & 1)
1180
#define FBIINIT1_SOFTWARE_BLANK(val) (((val) >> 12) & 1)
1181
#define FBIINIT1_DRIVE_VIDEO_TIMING(val) (((val) >> 13) & 1)
1182
#define FBIINIT1_DRIVE_VIDEO_BLANK(val) (((val) >> 14) & 1)
1183
#define FBIINIT1_DRIVE_VIDEO_SYNC(val) (((val) >> 15) & 1)
1184
#define FBIINIT1_DRIVE_VIDEO_DCLK(val) (((val) >> 16) & 1)
1185
#define FBIINIT1_VIDEO_TIMING_VCLK(val) (((val) >> 17) & 1)
1186
#define FBIINIT1_VIDEO_CLK_2X_DELAY(val) (((val) >> 18) & 3)
1187
#define FBIINIT1_VIDEO_TIMING_SOURCE(val) (((val) >> 20) & 3)
1188
#define FBIINIT1_ENABLE_24BPP_OUTPUT(val) (((val) >> 22) & 1)
1189
#define FBIINIT1_ENABLE_SLI(val) (((val) >> 23) & 1)
1190
#define FBIINIT1_X_VIDEO_TILES_BIT5(val) (((val) >> 24) & 1) /* voodoo 2 only */
1191
#define FBIINIT1_ENABLE_EDGE_FILTER(val) (((val) >> 25) & 1)
1192
#define FBIINIT1_INVERT_VID_CLK_2X(val) (((val) >> 26) & 1)
1193
#define FBIINIT1_VID_CLK_2X_SEL_DELAY(val) (((val) >> 27) & 3)
1194
#define FBIINIT1_VID_CLK_DELAY(val) (((val) >> 29) & 3)
1195
#define FBIINIT1_DISABLE_FAST_READAHEAD(val) (((val) >> 31) & 1)
1197
#define FBIINIT2_DISABLE_DITHER_SUB(val) (((val) >> 0) & 1)
1198
#define FBIINIT2_DRAM_BANKING(val) (((val) >> 1) & 1)
1199
#define FBIINIT2_ENABLE_TRIPLE_BUF(val) (((val) >> 4) & 1)
1200
#define FBIINIT2_ENABLE_FAST_RAS_READ(val) (((val) >> 5) & 1)
1201
#define FBIINIT2_ENABLE_GEN_DRAM_OE(val) (((val) >> 6) & 1)
1202
#define FBIINIT2_ENABLE_FAST_READWRITE(val) (((val) >> 7) & 1)
1203
#define FBIINIT2_ENABLE_PASSTHRU_DITHER(val) (((val) >> 8) & 1)
1204
#define FBIINIT2_SWAP_BUFFER_ALGORITHM(val) (((val) >> 9) & 3)
1205
#define FBIINIT2_VIDEO_BUFFER_OFFSET(val) (((val) >> 11) & 0x1ff)
1206
#define FBIINIT2_ENABLE_DRAM_BANKING(val) (((val) >> 20) & 1)
1207
#define FBIINIT2_ENABLE_DRAM_READ_FIFO(val) (((val) >> 21) & 1)
1208
#define FBIINIT2_ENABLE_DRAM_REFRESH(val) (((val) >> 22) & 1)
1209
#define FBIINIT2_REFRESH_LOAD_VALUE(val) (((val) >> 23) & 0x1ff)
1211
#define FBIINIT3_TRI_REGISTER_REMAP(val) (((val) >> 0) & 1)
1212
#define FBIINIT3_VIDEO_FIFO_THRESH(val) (((val) >> 1) & 0x1f)
1213
#define FBIINIT3_DISABLE_TMUS(val) (((val) >> 6) & 1)
1214
#define FBIINIT3_FBI_MEMORY_TYPE(val) (((val) >> 8) & 7)
1215
#define FBIINIT3_VGA_PASS_RESET_VAL(val) (((val) >> 11) & 1)
1216
#define FBIINIT3_HARDCODE_PCI_BASE(val) (((val) >> 12) & 1)
1217
#define FBIINIT3_FBI2TREX_DELAY(val) (((val) >> 13) & 0xf)
1218
#define FBIINIT3_TREX2FBI_DELAY(val) (((val) >> 17) & 0x1f)
1219
#define FBIINIT3_YORIGIN_SUBTRACT(val) (((val) >> 22) & 0x3ff)
1221
#define FBIINIT4_PCI_READ_WAITS(val) (((val) >> 0) & 1)
1222
#define FBIINIT4_ENABLE_LFB_READAHEAD(val) (((val) >> 1) & 1)
1223
#define FBIINIT4_MEMORY_FIFO_LWM(val) (((val) >> 2) & 0x3f)
1224
#define FBIINIT4_MEMORY_FIFO_START_ROW(val) (((val) >> 8) & 0x3ff)
1225
#define FBIINIT4_MEMORY_FIFO_STOP_ROW(val) (((val) >> 18) & 0x3ff)
1226
#define FBIINIT4_VIDEO_CLOCKING_DELAY(val) (((val) >> 29) & 7) /* voodoo 2 only */
1228
#define FBIINIT5_DISABLE_PCI_STOP(val) (((val) >> 0) & 1) /* voodoo 2 only */
1229
#define FBIINIT5_PCI_SLAVE_SPEED(val) (((val) >> 1) & 1) /* voodoo 2 only */
1230
#define FBIINIT5_DAC_DATA_OUTPUT_WIDTH(val) (((val) >> 2) & 1) /* voodoo 2 only */
1231
#define FBIINIT5_DAC_DATA_17_OUTPUT(val) (((val) >> 3) & 1) /* voodoo 2 only */
1232
#define FBIINIT5_DAC_DATA_18_OUTPUT(val) (((val) >> 4) & 1) /* voodoo 2 only */
1233
#define FBIINIT5_GENERIC_STRAPPING(val) (((val) >> 5) & 0xf) /* voodoo 2 only */
1234
#define FBIINIT5_BUFFER_ALLOCATION(val) (((val) >> 9) & 3) /* voodoo 2 only */
1235
#define FBIINIT5_DRIVE_VID_CLK_SLAVE(val) (((val) >> 11) & 1) /* voodoo 2 only */
1236
#define FBIINIT5_DRIVE_DAC_DATA_16(val) (((val) >> 12) & 1) /* voodoo 2 only */
1237
#define FBIINIT5_VCLK_INPUT_SELECT(val) (((val) >> 13) & 1) /* voodoo 2 only */
1238
#define FBIINIT5_MULTI_CVG_DETECT(val) (((val) >> 14) & 1) /* voodoo 2 only */
1239
#define FBIINIT5_SYNC_RETRACE_READS(val) (((val) >> 15) & 1) /* voodoo 2 only */
1240
#define FBIINIT5_ENABLE_RHBORDER_COLOR(val) (((val) >> 16) & 1) /* voodoo 2 only */
1241
#define FBIINIT5_ENABLE_LHBORDER_COLOR(val) (((val) >> 17) & 1) /* voodoo 2 only */
1242
#define FBIINIT5_ENABLE_BVBORDER_COLOR(val) (((val) >> 18) & 1) /* voodoo 2 only */
1243
#define FBIINIT5_ENABLE_TVBORDER_COLOR(val) (((val) >> 19) & 1) /* voodoo 2 only */
1244
#define FBIINIT5_DOUBLE_HORIZ(val) (((val) >> 20) & 1) /* voodoo 2 only */
1245
#define FBIINIT5_DOUBLE_VERT(val) (((val) >> 21) & 1) /* voodoo 2 only */
1246
#define FBIINIT5_ENABLE_16BIT_GAMMA(val) (((val) >> 22) & 1) /* voodoo 2 only */
1247
#define FBIINIT5_INVERT_DAC_HSYNC(val) (((val) >> 23) & 1) /* voodoo 2 only */
1248
#define FBIINIT5_INVERT_DAC_VSYNC(val) (((val) >> 24) & 1) /* voodoo 2 only */
1249
#define FBIINIT5_ENABLE_24BIT_DACDATA(val) (((val) >> 25) & 1) /* voodoo 2 only */
1250
#define FBIINIT5_ENABLE_INTERLACING(val) (((val) >> 26) & 1) /* voodoo 2 only */
1251
#define FBIINIT5_DAC_DATA_18_CONTROL(val) (((val) >> 27) & 1) /* voodoo 2 only */
1252
#define FBIINIT5_RASTERIZER_UNIT_MODE(val) (((val) >> 30) & 3) /* voodoo 2 only */
1254
#define FBIINIT6_WINDOW_ACTIVE_COUNTER(val) (((val) >> 0) & 7) /* voodoo 2 only */
1255
#define FBIINIT6_WINDOW_DRAG_COUNTER(val) (((val) >> 3) & 0x1f) /* voodoo 2 only */
1256
#define FBIINIT6_SLI_SYNC_MASTER(val) (((val) >> 8) & 1) /* voodoo 2 only */
1257
#define FBIINIT6_DAC_DATA_22_OUTPUT(val) (((val) >> 9) & 3) /* voodoo 2 only */
1258
#define FBIINIT6_DAC_DATA_23_OUTPUT(val) (((val) >> 11) & 3) /* voodoo 2 only */
1259
#define FBIINIT6_SLI_SYNCIN_OUTPUT(val) (((val) >> 13) & 3) /* voodoo 2 only */
1260
#define FBIINIT6_SLI_SYNCOUT_OUTPUT(val) (((val) >> 15) & 3) /* voodoo 2 only */
1261
#define FBIINIT6_DAC_RD_OUTPUT(val) (((val) >> 17) & 3) /* voodoo 2 only */
1262
#define FBIINIT6_DAC_WR_OUTPUT(val) (((val) >> 19) & 3) /* voodoo 2 only */
1263
#define FBIINIT6_PCI_FIFO_LWM_RDY(val) (((val) >> 21) & 0x7f) /* voodoo 2 only */
1264
#define FBIINIT6_VGA_PASS_N_OUTPUT(val) (((val) >> 28) & 3) /* voodoo 2 only */
1265
#define FBIINIT6_X_VIDEO_TILES_BIT0(val) (((val) >> 30) & 1) /* voodoo 2 only */
1267
#define FBIINIT7_GENERIC_STRAPPING(val) (((val) >> 0) & 0xff) /* voodoo 2 only */
1268
#define FBIINIT7_CMDFIFO_ENABLE(val) (((val) >> 8) & 1) /* voodoo 2 only */
1269
#define FBIINIT7_CMDFIFO_MEMORY_STORE(val) (((val) >> 9) & 1) /* voodoo 2 only */
1270
#define FBIINIT7_DISABLE_CMDFIFO_HOLES(val) (((val) >> 10) & 1) /* voodoo 2 only */
1271
#define FBIINIT7_CMDFIFO_READ_THRESH(val) (((val) >> 11) & 0x1f) /* voodoo 2 only */
1272
#define FBIINIT7_SYNC_CMDFIFO_WRITES(val) (((val) >> 16) & 1) /* voodoo 2 only */
1273
#define FBIINIT7_SYNC_CMDFIFO_READS(val) (((val) >> 17) & 1) /* voodoo 2 only */
1274
#define FBIINIT7_RESET_PCI_PACKER(val) (((val) >> 18) & 1) /* voodoo 2 only */
1275
#define FBIINIT7_ENABLE_CHROMA_STUFF(val) (((val) >> 19) & 1) /* voodoo 2 only */
1276
#define FBIINIT7_CMDFIFO_PCI_TIMEOUT(val) (((val) >> 20) & 0x7f) /* voodoo 2 only */
1277
#define FBIINIT7_ENABLE_TEXTURE_BURST(val) (((val) >> 27) & 1) /* voodoo 2 only */
1279
#define TEXMODE_ENABLE_PERSPECTIVE(val) (((val) >> 0) & 1)
1280
#define TEXMODE_MINIFICATION_FILTER(val) (((val) >> 1) & 1)
1281
#define TEXMODE_MAGNIFICATION_FILTER(val) (((val) >> 2) & 1)
1282
#define TEXMODE_CLAMP_NEG_W(val) (((val) >> 3) & 1)
1283
#define TEXMODE_ENABLE_LOD_DITHER(val) (((val) >> 4) & 1)
1284
#define TEXMODE_NCC_TABLE_SELECT(val) (((val) >> 5) & 1)
1285
#define TEXMODE_CLAMP_S(val) (((val) >> 6) & 1)
1286
#define TEXMODE_CLAMP_T(val) (((val) >> 7) & 1)
1287
#define TEXMODE_FORMAT(val) (((val) >> 8) & 0xf)
1288
#define TEXMODE_TC_ZERO_OTHER(val) (((val) >> 12) & 1)
1289
#define TEXMODE_TC_SUB_CLOCAL(val) (((val) >> 13) & 1)
1290
#define TEXMODE_TC_MSELECT(val) (((val) >> 14) & 7)
1291
#define TEXMODE_TC_REVERSE_BLEND(val) (((val) >> 17) & 1)
1292
#define TEXMODE_TC_ADD_ACLOCAL(val) (((val) >> 18) & 3)
1293
#define TEXMODE_TC_INVERT_OUTPUT(val) (((val) >> 20) & 1)
1294
#define TEXMODE_TCA_ZERO_OTHER(val) (((val) >> 21) & 1)
1295
#define TEXMODE_TCA_SUB_CLOCAL(val) (((val) >> 22) & 1)
1296
#define TEXMODE_TCA_MSELECT(val) (((val) >> 23) & 7)
1297
#define TEXMODE_TCA_REVERSE_BLEND(val) (((val) >> 26) & 1)
1298
#define TEXMODE_TCA_ADD_ACLOCAL(val) (((val) >> 27) & 3)
1299
#define TEXMODE_TCA_INVERT_OUTPUT(val) (((val) >> 29) & 1)
1300
#define TEXMODE_TRILINEAR(val) (((val) >> 30) & 1)
1301
#define TEXMODE_SEQ_8_DOWNLD(val) (((val) >> 31) & 1)
1303
#define TEXLOD_LODMIN(val) (((val) >> 0) & 0x3f)
1304
#define TEXLOD_LODMAX(val) (((val) >> 6) & 0x3f)
1305
#define TEXLOD_LODBIAS(val) (((val) >> 12) & 0x3f)
1306
#define TEXLOD_LOD_ODD(val) (((val) >> 18) & 1)
1307
#define TEXLOD_LOD_TSPLIT(val) (((val) >> 19) & 1)
1308
#define TEXLOD_LOD_S_IS_WIDER(val) (((val) >> 20) & 1)
1309
#define TEXLOD_LOD_ASPECT(val) (((val) >> 21) & 3)
1310
#define TEXLOD_LOD_ZEROFRAC(val) (((val) >> 23) & 1)
1311
#define TEXLOD_TMULTIBASEADDR(val) (((val) >> 24) & 1)
1312
#define TEXLOD_TDATA_SWIZZLE(val) (((val) >> 25) & 1)
1313
#define TEXLOD_TDATA_SWAP(val) (((val) >> 26) & 1)
1314
#define TEXLOD_TDIRECT_WRITE(val) (((val) >> 27) & 1) /* Voodoo 2 only */
1316
#define TEXDETAIL_DETAIL_MAX(val) (((val) >> 0) & 0xff)
1317
#define TEXDETAIL_DETAIL_BIAS(val) (((val) >> 8) & 0x3f)
1318
#define TEXDETAIL_DETAIL_SCALE(val) (((val) >> 14) & 7)
1319
#define TEXDETAIL_RGB_MIN_FILTER(val) (((val) >> 17) & 1) /* Voodoo 2 only */
1320
#define TEXDETAIL_RGB_MAG_FILTER(val) (((val) >> 18) & 1) /* Voodoo 2 only */
1321
#define TEXDETAIL_ALPHA_MIN_FILTER(val) (((val) >> 19) & 1) /* Voodoo 2 only */
1322
#define TEXDETAIL_ALPHA_MAG_FILTER(val) (((val) >> 20) & 1) /* Voodoo 2 only */
1323
#define TEXDETAIL_SEPARATE_RGBA_FILTER(val) (((val) >> 21) & 1) /* Voodoo 2 only */
1327
/*************************************
1331
*************************************/
1333
typedef struct _voodoo_state voodoo_state;
1341
typedef union _voodoo_reg voodoo_reg;
1346
UINT32 * base; /* base of the FIFO */
1347
INT32 size; /* size of the FIFO */
1348
INT32 in; /* input pointer */
1349
INT32 out; /* output pointer */
1351
typedef struct _fifo_state fifo_state;
1354
struct _cmdfifo_info
1356
UINT8 enable; /* enabled? */
1357
UINT8 count_holes; /* count holes? */
1358
UINT32 base; /* base address in framebuffer RAM */
1359
UINT32 end; /* end address in framebuffer RAM */
1360
UINT32 rdptr; /* current read pointer */
1361
UINT32 amin; /* minimum address */
1362
UINT32 amax; /* maximum address */
1363
UINT32 depth; /* current depth */
1364
UINT32 holes; /* number of holes */
1366
typedef struct _cmdfifo_info cmdfifo_info;
1371
fifo_state fifo; /* PCI FIFO */
1372
UINT32 fifo_mem[64*2]; /* memory backing the PCI FIFO */
1373
UINT32 init_enable; /* initEnable value */
1374
UINT8 stall_state; /* state of the system if we're stalled */
1375
void (*stall_callback)(int); /* callback for stalling/unstalling */
1376
UINT8 op_pending; /* true if an operation is pending */
1377
mame_time op_end_time; /* time when the pending operation ends */
1378
mame_timer *continue_timer; /* timer to use to continue processing */
1380
typedef struct _pci_state pci_state;
1385
UINT8 dirty; /* is the texel lookup dirty? */
1386
voodoo_reg *reg; /* pointer to our registers */
1387
INT32 ir[4], ig[4], ib[4]; /* I values for R,G,B */
1388
INT32 qr[4], qg[4], qb[4]; /* Q values for R,G,B */
1389
INT32 y[16]; /* Y values */
1390
rgb_t texel[256]; /* texel lookup */
1391
rgb_t * palette; /* pointer to associated RGB palette */
1392
rgb_t * palettea; /* pointer to associated ARGB palette */
1394
typedef struct _ncc_table ncc_table;
1399
UINT8 * ram; /* pointer to our RAM */
1400
UINT32 mask; /* mask to apply to pointers */
1401
voodoo_reg *reg; /* pointer to our register base */
1402
UINT32 regdirty; /* true if the LOD/mode/base registers have changed */
1404
UINT32 texaddr_mask; /* mask for texture address */
1405
UINT8 texaddr_shift; /* shift for texture address */
1407
INT64 starts, startt; /* starting S,T (14.18) */
1408
INT64 startw; /* starting W (2.30) */
1409
INT64 dsdx, dtdx; /* delta S,T per X */
1410
INT64 dwdx; /* delta W per X */
1411
INT64 dsdy, dtdy; /* delta S,T per Y */
1412
INT64 dwdy; /* delta W per Y */
1414
INT32 lodmin, lodmax; /* min, max LOD values */
1415
INT32 lodbias; /* LOD bias */
1416
UINT32 lodmask; /* mask of available LODs */
1417
UINT32 lodoffset[9]; /* offset of texture base for each LOD */
1418
INT32 lodbase; /* used during rasterization */
1419
INT32 detailmax; /* detail clamp */
1420
INT32 detailbias; /* detail bias */
1421
UINT8 detailscale; /* detail scale */
1423
UINT32 wmask; /* mask for the current texture width */
1424
UINT32 hmask; /* mask for the current texture height */
1426
UINT32 bilinear_mask; /* mask for bilinear resolution (0xf0 for V1, 0xff for V2) */
1428
ncc_table ncc[2]; /* two NCC tables */
1430
rgb_t * lookup; /* currently selected lookup */
1431
rgb_t * texel[16]; /* texel lookups for each format */
1433
rgb_t palette[256]; /* palette lookup table */
1434
rgb_t palettea[256]; /* palette+alpha lookup table */
1436
typedef struct _tmu_state tmu_state;
1439
struct _tmu_shared_state
1441
rgb_t rgb332[256]; /* RGB 3-3-2 lookup table */
1442
rgb_t alpha8[256]; /* alpha 8-bit lookup table */
1443
rgb_t int8[256]; /* intensity 8-bit lookup table */
1444
rgb_t ai44[256]; /* alpha, intensity 4-4 lookup table */
1446
rgb_t rgb565[65536]; /* RGB 5-6-5 lookup table */
1447
rgb_t argb1555[65536]; /* ARGB 1-5-5-5 lookup table */
1448
rgb_t argb4444[65536]; /* ARGB 4-4-4-4 lookup table */
1450
typedef struct _tmu_shared_state tmu_shared_state;
1453
struct _setup_vertex
1455
float x, y; /* X, Y coordinates */
1456
float a, r, g, b; /* A, R, G, B values */
1457
float z, wb; /* Z and broadcast W values */
1458
float w0, s0, t0; /* W, S, T for TMU 0 */
1459
float w1, s1, t1; /* W, S, T for TMU 1 */
1461
typedef struct _setup_vertex setup_vertex;
1466
void * ram; /* pointer to frame buffer RAM */
1467
UINT32 mask; /* mask to apply to pointers */
1468
UINT16 * rgb[3]; /* pointer to 3 RGB buffers */
1469
UINT16 * aux; /* pointer to 1 aux buffer */
1470
UINT32 rgbmax[3]; /* maximum valid offset in each RGB buffer */
1471
UINT32 auxmax; /* maximum valid offset in the aux buffer */
1473
UINT8 frontbuf; /* front buffer index */
1474
UINT8 backbuf; /* back buffer index */
1475
UINT8 swaps_pending; /* number of pending swaps */
1477
UINT32 yorigin; /* Y origin subtract value */
1478
UINT32 lfb_base; /* base of LFB in memory */
1479
UINT8 lfb_stride; /* stride of LFB accesses in bits */
1481
UINT32 width; /* width of current frame buffer */
1482
UINT32 height; /* height of current frame buffer */
1483
UINT32 rowpixels; /* pixels per row */
1484
UINT32 tile_width; /* width of video tiles */
1485
UINT32 tile_height; /* height of video tiles */
1486
UINT32 x_tiles; /* number of tiles in the X direction */
1488
rgb_t pen[65536]; /* mapping from pixels to pens */
1489
rgb_t clut[512]; /* clut gamma data */
1490
UINT8 clut_dirty; /* do we need to recompute? */
1492
mame_timer *vblank_timer; /* VBLANK timer */
1493
UINT8 vblank; /* VBLANK state */
1494
UINT8 vblank_count; /* number of VBLANKs since last swap */
1495
UINT8 vblank_swap_pending; /* a swap is pending, waiting for a vblank */
1496
UINT8 vblank_swap; /* swap when we hit this count */
1497
UINT8 vblank_dont_swap; /* don't actually swap when we hit this point */
1498
void (*vblank_client)(int); /* client callback */
1500
fifo_state fifo; /* framebuffer memory fifo */
1501
cmdfifo_info cmdfifo[2]; /* command FIFOs */
1503
UINT8 fogblend[64]; /* 64-entry fog table */
1504
UINT8 fogdelta[64]; /* 64-entry fog table */
1505
UINT8 fogdelta_mask; /* mask for for delta (0xff for V1, 0xfc for V2) */
1507
/* triangle setup info */
1508
UINT8 cheating_allowed; /* allow cheating? */
1509
INT32 sign; /* triangle sign */
1510
INT16 ax, ay; /* vertex A x,y (12.4) */
1511
INT16 bx, by; /* vertex B x,y (12.4) */
1512
INT16 cx, cy; /* vertex C x,y (12.4) */
1513
INT32 startr, startg, startb, starta; /* starting R,G,B,A (12.12) */
1514
INT32 startz; /* starting Z (20.12) */
1515
INT64 startw; /* starting W (16.32) */
1516
INT32 drdx, dgdx, dbdx, dadx; /* delta R,G,B,A per X */
1517
INT32 dzdx; /* delta Z per X */
1518
INT64 dwdx; /* delta W per X */
1519
INT32 drdy, dgdy, dbdy, dady; /* delta R,G,B,A per Y */
1520
INT32 dzdy; /* delta Z per Y */
1521
INT64 dwdy; /* delta W per Y */
1523
UINT8 sverts; /* number of vertices ready */
1524
setup_vertex svert[3]; /* 3 setup vertices */
1526
typedef struct _fbi_state fbi_state;
1531
UINT8 reg[8]; /* 8 registers */
1532
UINT8 read_result; /* pending read result */
1534
typedef struct _dac_state dac_state;
1537
struct _voodoo_stats
1539
char buffer[1024]; /* string */
1540
UINT8 lastkey; /* last key state */
1541
UINT8 display; /* display stats? */
1542
INT32 swaps; /* total swaps */
1543
INT32 stalls; /* total stalls */
1544
INT32 total_triangles; /* total triangles */
1545
INT32 total_pixels_in; /* total pixels in */
1546
INT32 total_pixels_out; /* total pixels out */
1547
INT32 total_chroma_fail; /* total chroma fail */
1548
INT32 total_zfunc_fail; /* total z func fail */
1549
INT32 total_afunc_fail; /* total a func fail */
1550
INT32 total_clipped; /* total clipped */
1551
INT32 total_stippled; /* total stippled */
1552
INT32 lfb_writes; /* LFB writes */
1553
INT32 lfb_reads; /* LFB reads */
1554
INT32 reg_writes; /* register writes */
1555
INT32 reg_reads; /* register reads */
1556
INT32 tex_writes; /* texture writes */
1557
INT32 texture_mode[16]; /* 16 different texture modes */
1558
UINT8 render_override; /* render override */
1560
typedef struct _voodoo_stats voodoo_stats;
1565
struct _raster_info *next; /* pointer to next entry with the same hash */
1566
void (*callback)(voodoo_state *, UINT16 *); /* callback pointer */
1567
UINT8 is_generic; /* TRUE if this is one of the generic rasterizers */
1568
UINT32 hits; /* how many hits (pixels) we've used this for */
1569
UINT32 polys; /* how many polys we've used this for */
1570
UINT32 eff_color_path; /* effective fbzColorPath value */
1571
UINT32 eff_alpha_mode; /* effective alphaMode value */
1572
UINT32 eff_fog_mode; /* effective fogMode value */
1573
UINT32 eff_fbz_mode; /* effective fbzMode value */
1574
UINT32 eff_tex_mode_0; /* effective textureMode value for TMU #0 */
1575
UINT32 eff_tex_mode_1; /* effective textureMode value for TMU #1 */
1577
typedef struct _raster_info raster_info;
1580
struct _banshee_info
1582
UINT32 io[0x40]; /* I/O registers */
1583
UINT32 agp[0x80]; /* AGP registers */
1584
UINT8 vga[0x20]; /* VGA registers */
1585
UINT8 crtc[0x27]; /* VGA CRTC registers */
1586
UINT8 seq[0x05]; /* VGA sequencer registers */
1587
UINT8 gc[0x05]; /* VGA graphics controller registers */
1588
UINT8 att[0x15]; /* VGA attribute registers */
1589
UINT8 attff; /* VGA attribute flip-flop */
1591
typedef struct _banshee_info banshee_info;
1594
struct _voodoo_state
1596
UINT8 index; /* index of board */
1597
UINT8 type; /* type of system */
1598
UINT8 chipmask; /* mask for which chips are available */
1599
UINT32 freq; /* operating frequency */
1600
subseconds_t subseconds_per_cycle; /* subseconds per cycle */
1601
UINT32 extra_cycles; /* extra cycles not yet accounted for */
1602
int trigger; /* trigger used for stalling */
1604
voodoo_reg reg[0x400]; /* raw registers */
1605
const UINT8 *regaccess; /* register access array */
1606
const char **regnames; /* register names array */
1607
UINT8 alt_regmap; /* enable alternate register map? */
1609
pci_state pci; /* PCI state */
1610
dac_state dac; /* DAC state */
1612
fbi_state fbi; /* FBI states */
1613
tmu_state tmu[MAX_TMU]; /* TMU states */
1614
tmu_shared_state tmushare; /* TMU shared state */
1615
banshee_info banshee; /* Banshee state */
1617
voodoo_stats stats; /* internal statistics */
1619
offs_t last_status_pc; /* PC of last status read (for logging) */
1620
UINT32 last_status_value; /* value of last status read (for logging) */
1622
int next_rasterizer; /* next rasterizer index */
1623
raster_info rasterizer[MAX_RASTERIZERS]; /* array of rasterizers */
1624
raster_info *raster_hash[RASTER_HASH_SIZE]; /* hash table of rasterizers */
1626
/* typedef struct _voodoo_state voodoo_state; -- declared above */
1630
/*************************************
1632
* Inline FIFO management
1634
*************************************/
1636
INLINE void fifo_reset(fifo_state *f)
1642
INLINE void fifo_add(fifo_state *f, UINT32 data)
1646
/* compute the value of 'in' after we add this item */
1647
next_in = f->in + 1;
1648
if (next_in >= f->size)
1651
/* as long as it's not equal to the output pointer, we can do it */
1652
if (next_in != f->out)
1654
f->base[f->in] = data;
1660
INLINE UINT32 fifo_remove(fifo_state *f)
1662
UINT32 data = 0xffffffff;
1664
/* as long as we have data, we can do it */
1665
if (f->out != f->in)
1669
/* fetch the data */
1670
data = f->base[f->out];
1672
/* advance the output pointer */
1673
next_out = f->out + 1;
1674
if (next_out >= f->size)
1682
INLINE UINT32 fifo_peek(fifo_state *f)
1684
return f->base[f->out];
1688
INLINE int fifo_empty(fifo_state *f)
1690
return (f->in == f->out);
1694
INLINE int fifo_full(fifo_state *f)
1696
return (f->in + 1 == f->out || (f->in == f->size - 1 && f->out == 0));
1700
INLINE INT32 fifo_items(fifo_state *f)
1702
INT32 items = f->in - f->out;
1709
INLINE INT32 fifo_space(fifo_state *f)
1711
INT32 items = f->in - f->out;
1714
return f->size - 1 - items;
1719
/*************************************
1721
* Computes a fast 16.16 reciprocal
1722
* of a 16.32 value; used for
1723
* computing 1/w in the rasterizer.
1725
* Since it is trivial to also
1726
* compute log2(1/w) = -log2(w) at
1727
* the same time, we do that as well
1728
* to 16.8 precision for LOD
1731
* On a Pentium M, this routine is
1732
* 20% faster than a 64-bit integer
1733
* divide and also produces the log
1736
*************************************/
1738
INLINE INT32 fast_reciplog(INT64 value, INT32 *log2)
1740
extern UINT32 reciplog[];
1741
UINT32 temp, recip, rlog;
1747
/* always work with unsigned numbers */
1754
/* if we've spilled out of 32 bits, push it down under 32 */
1755
if (value & U64(0xffff00000000))
1757
temp = (UINT32)(value >> 16);
1761
temp = (UINT32)value;
1763
/* if the resulting value is 0, the reciprocal is infinite */
1764
if (UNEXPECTED(temp == 0))
1766
*log2 = 1000 << LOG_OUTPUT_PREC;
1767
return neg ? 0x80000000 : 0x7fffffff;
1770
/* determine how many leading zeros in the value and shift it up high */
1771
lz = count_leading_zeros(temp);
1775
/* compute a pointer to the table entries we want */
1776
/* math is a bit funny here because we shift one less than we need to in order */
1777
/* to account for the fact that there are two UINT32's per table entry */
1778
table = &reciplog[(temp >> (31 - RECIPLOG_LOOKUP_BITS - 1)) & ((2 << RECIPLOG_LOOKUP_BITS) - 2)];
1780
/* compute the interpolation value */
1781
interp = (temp >> (31 - RECIPLOG_LOOKUP_BITS - 8)) & 0xff;
1783
/* do a linear interpolatation between the two nearest table values */
1784
/* for both the log and the reciprocal */
1785
rlog = (table[1] * (0x100 - interp) + table[3] * interp) >> 8;
1786
recip = (table[0] * (0x100 - interp) + table[2] * interp) >> 8;
1788
/* the log result is the fractional part of the log; round it to the output precision */
1789
rlog = (rlog + (1 << (RECIPLOG_LOOKUP_PREC - LOG_OUTPUT_PREC - 1))) >> (RECIPLOG_LOOKUP_PREC - LOG_OUTPUT_PREC);
1791
/* the exponent is the non-fractional part of the log; normally, we would subtract it from rlog */
1792
/* but since we want the log(1/value) = -log(value), we subtract rlog from the exponent */
1793
*log2 = ((exp - (31 - RECIPLOG_INPUT_PREC)) << LOG_OUTPUT_PREC) - rlog;
1795
/* adjust the exponent to account for all the reciprocal-related parameters to arrive at a final shift amount */
1796
exp += (RECIP_OUTPUT_PREC - RECIPLOG_LOOKUP_PREC) - (31 - RECIPLOG_INPUT_PREC);
1798
/* shift by the exponent */
1804
/* on the way out, apply the original sign to the reciprocal */
1805
return neg ? -recip : recip;
1810
/*************************************
1812
* Float-to-int conversions
1814
*************************************/
1816
INLINE INT32 float_to_int32(UINT32 data, int fixedbits)
1818
int exponent = ((data >> 23) & 0xff) - 127 - 23 + fixedbits;
1819
INT32 result = (data & 0x7fffff) | 0x800000;
1823
result >>= -exponent;
1830
result <<= exponent;
1832
result = 0x7fffffff;
1834
if (data & 0x80000000)
1840
INLINE INT64 float_to_int64(UINT32 data, int fixedbits)
1842
int exponent = ((data >> 23) & 0xff) - 127 - 23 + fixedbits;
1843
INT64 result = (data & 0x7fffff) | 0x800000;
1847
result >>= -exponent;
1854
result <<= exponent;
1856
result = U64(0x7fffffffffffffff);
1858
if (data & 0x80000000)
1865
/*************************************
1867
* Rasterizer inlines
1869
*************************************/
1871
INLINE UINT32 normalize_color_path(UINT32 eff_color_path)
1873
/* ignore the subpixel adjust and texture enable flags */
1874
eff_color_path &= ~((1 << 26) | (1 << 27));
1876
return eff_color_path;
1880
INLINE UINT32 normalize_alpha_mode(UINT32 eff_alpha_mode)
1882
/* if not doing alpha testing, ignore the alpha function and ref value */
1883
if (!ALPHAMODE_ALPHATEST(eff_alpha_mode))
1884
eff_alpha_mode &= ~((7 << 1) | (0xff << 24));
1886
/* if not doing alpha blending, ignore the source and dest blending factors */
1887
if (!ALPHAMODE_ALPHABLEND(eff_alpha_mode))
1888
eff_alpha_mode &= ~((15 << 8) | (15 << 12) | (15 << 16) | (15 << 20));
1890
return eff_alpha_mode;
1894
INLINE UINT32 normalize_fog_mode(UINT32 eff_fog_mode)
1896
/* if not doing fogging, ignore all the other fog bits */
1897
if (!FOGMODE_ENABLE_FOG(eff_fog_mode))
1900
return eff_fog_mode;
1904
INLINE UINT32 normalize_fbz_mode(UINT32 eff_fbz_mode)
1906
/* ignore the draw buffer */
1907
eff_fbz_mode &= ~(3 << 14);
1909
return eff_fbz_mode;
1913
INLINE UINT32 normalize_tex_mode(UINT32 eff_tex_mode)
1915
/* ignore the NCC table and seq_8_downld flags */
1916
eff_tex_mode &= ~((1 << 5) | (1 << 31));
1918
/* classify texture formats into 3 format categories */
1919
if (TEXMODE_FORMAT(eff_tex_mode) < 8)
1920
eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (0 << 8);
1921
else if (TEXMODE_FORMAT(eff_tex_mode) >= 10 && TEXMODE_FORMAT(eff_tex_mode) <= 12)
1922
eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (10 << 8);
1924
eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (8 << 8);
1926
return eff_tex_mode;
1930
INLINE UINT32 compute_raster_hash(const raster_info *info)
1935
hash = info->eff_color_path;
1936
hash = (hash << 1) | (hash >> 31);
1937
hash ^= info->eff_fbz_mode;
1938
hash = (hash << 1) | (hash >> 31);
1939
hash ^= info->eff_alpha_mode;
1940
hash = (hash << 1) | (hash >> 31);
1941
hash ^= info->eff_fog_mode;
1942
hash = (hash << 1) | (hash >> 31);
1943
hash ^= info->eff_tex_mode_0;
1944
hash = (hash << 1) | (hash >> 31);
1945
hash ^= info->eff_tex_mode_1;
1947
return hash % RASTER_HASH_SIZE;
1952
/*************************************
1956
*************************************/
1958
/* note that these equations and the dither matrixes have
1959
been confirmed to be exact matches to the real hardware */
1960
#define DITHER_RB(val,dith) ((((val) << 1) - ((val) >> 4) + ((val) >> 7) + (dith)) >> 1)
1961
#define DITHER_G(val,dith) ((((val) << 2) - ((val) >> 4) + ((val) >> 6) + (dith)) >> 2)
1963
#define APPLY_DITHER(FBZMODE, XX, YY, RR, GG, BB) \
1966
/* apply dithering */ \
1967
if (FBZMODE_ENABLE_DITHERING(FBZMODE)) \
1971
/* look up the dither value from the appropriate matrix */ \
1972
if (FBZMODE_DITHER_TYPE(FBZMODE) == 0) \
1973
dith = dither_matrix_4x4[(((YY) & 3) << 2) + ((XX) & 3)]; \
1975
dith = dither_matrix_2x2[(((YY) & 1) << 1) + ((XX) & 1)]; \
1977
/* apply dithering to R,G,B */ \
1978
(RR) = DITHER_RB((RR), dith); \
1979
(GG) = DITHER_G ((GG), dith); \
1980
(BB) = DITHER_RB((BB), dith); \
1987
/*************************************
1991
*************************************/
1993
#define CLAMPED_ARGB(ITERR, ITERG, ITERB, ITERA, FBZCP, RESULT) \
1996
INT32 r = (INT32)(ITERR) >> 12; \
1997
INT32 g = (INT32)(ITERG) >> 12; \
1998
INT32 b = (INT32)(ITERB) >> 12; \
1999
INT32 a = (INT32)(ITERA) >> 12; \
2001
if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \
2006
else if (r == 0x100) \
2014
else if (g == 0x100) \
2022
else if (b == 0x100) \
2030
else if (a == 0x100) \
2037
CLAMP(r, 0, 0xff); \
2038
CLAMP(g, 0, 0xff); \
2039
CLAMP(b, 0, 0xff); \
2040
CLAMP(a, 0, 0xff); \
2042
(RESULT) = MAKE_ARGB(a, r, g, b); \
2047
#define CLAMPED_Z(ITERZ, FBZCP, RESULT) \
2050
(RESULT) = (INT32)(ITERZ) >> 12; \
2051
if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \
2053
(RESULT) &= 0xfffff; \
2054
if ((RESULT) == 0xfffff) \
2056
else if ((RESULT) == 0x10000) \
2057
(RESULT) = 0xffff; \
2059
(RESULT) &= 0xffff; \
2063
CLAMP((RESULT), 0, 0xffff); \
2069
#define CLAMPED_W(ITERW, FBZCP, RESULT) \
2072
(RESULT) = (INT16)((ITERW) >> 32); \
2073
if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \
2075
(RESULT) &= 0xffff; \
2076
if ((RESULT) == 0xffff) \
2078
else if ((RESULT) == 0x100) \
2084
CLAMP((RESULT), 0, 0xff); \
2091
/*************************************
2093
* Chroma keying macro
2095
*************************************/
2097
#define APPLY_CHROMAKEY(VV, FBZMODE, COLOR) \
2100
if (FBZMODE_ENABLE_CHROMAKEY(FBZMODE)) \
2102
/* non-range version */ \
2103
if (!CHROMARANGE_ENABLE((VV)->reg[chromaRange].u)) \
2105
if ((((COLOR) ^ (VV)->reg[chromaKey].u) & 0xffffff) == 0) \
2107
(VV)->reg[fbiChromaFail].u++; \
2108
goto skipdrawdepth; \
2112
/* tricky range version */ \
2115
UINT32 color = (COLOR); \
2116
INT32 low, high, test; \
2120
low = RGB_BLUE((VV)->reg[chromaKey].u); \
2121
high = RGB_BLUE((VV)->reg[chromaRange].u); \
2122
test = RGB_BLUE(color); \
2123
results = (test >= low && test <= high); \
2124
results ^= CHROMARANGE_BLUE_EXCLUSIVE((VV)->reg[chromaRange].u); \
2128
low = RGB_GREEN((VV)->reg[chromaKey].u); \
2129
high = RGB_GREEN((VV)->reg[chromaRange].u); \
2130
test = RGB_GREEN(color); \
2131
results |= (test >= low && test <= high); \
2132
results ^= CHROMARANGE_GREEN_EXCLUSIVE((VV)->reg[chromaRange].u); \
2136
low = RGB_RED((VV)->reg[chromaKey].u); \
2137
high = RGB_RED((VV)->reg[chromaRange].u); \
2138
test = RGB_RED(color); \
2139
results |= (test >= low && test <= high); \
2140
results ^= CHROMARANGE_RED_EXCLUSIVE((VV)->reg[chromaRange].u); \
2142
/* final result */ \
2143
if (CHROMARANGE_UNION_MODE((VV)->reg[chromaRange].u)) \
2147
(VV)->reg[fbiChromaFail].u++; \
2148
goto skipdrawdepth; \
2155
(VV)->reg[fbiChromaFail].u++; \
2156
goto skipdrawdepth; \
2166
/*************************************
2168
* Alpha masking macro
2170
*************************************/
2172
#define APPLY_ALPHAMASK(VV, FBZMODE, AA) \
2175
if (FBZMODE_ENABLE_ALPHA_MASK(FBZMODE)) \
2177
if (((AA) & 1) == 0) \
2179
(VV)->reg[fbiAfuncFail].u++; \
2180
goto skipdrawdepth; \
2188
/*************************************
2190
* Alpha testing macro
2192
*************************************/
2194
#define APPLY_ALPHATEST(VV, ALPHAMODE, AA) \
2197
if (ALPHAMODE_ALPHATEST(ALPHAMODE)) \
2199
switch (ALPHAMODE_ALPHAFUNCTION(ALPHAMODE)) \
2201
case 0: /* alphaOP = never */ \
2202
(VV)->reg[fbiAfuncFail].u++; \
2203
goto skipdrawdepth; \
2205
case 1: /* alphaOP = less than */ \
2206
if ((AA) >= ALPHAMODE_ALPHAREF(ALPHAMODE)) \
2208
(VV)->reg[fbiAfuncFail].u++; \
2209
goto skipdrawdepth; \
2213
case 2: /* alphaOP = equal */ \
2214
if ((AA) != ALPHAMODE_ALPHAREF(ALPHAMODE)) \
2216
(VV)->reg[fbiAfuncFail].u++; \
2217
goto skipdrawdepth; \
2221
case 3: /* alphaOP = less than or equal */ \
2222
if ((AA) > ALPHAMODE_ALPHAREF(ALPHAMODE)) \
2224
(VV)->reg[fbiAfuncFail].u++; \
2225
goto skipdrawdepth; \
2229
case 4: /* alphaOP = greater than */ \
2230
if ((AA) <= ALPHAMODE_ALPHAREF(ALPHAMODE)) \
2232
(VV)->reg[fbiAfuncFail].u++; \
2233
goto skipdrawdepth; \
2237
case 5: /* alphaOP = not equal */ \
2238
if ((AA) == ALPHAMODE_ALPHAREF(ALPHAMODE)) \
2240
(VV)->reg[fbiAfuncFail].u++; \
2241
goto skipdrawdepth; \
2245
case 6: /* alphaOP = greater than or equal */ \
2246
if ((AA) < ALPHAMODE_ALPHAREF(ALPHAMODE)) \
2248
(VV)->reg[fbiAfuncFail].u++; \
2249
goto skipdrawdepth; \
2253
case 7: /* alphaOP = always */ \
2262
/*************************************
2264
* Alpha blending macro
2266
*************************************/
2268
#define APPLY_ALPHA_BLEND(FBZMODE, ALPHAMODE, XX, YY, RR, GG, BB, AA) \
2271
if (ALPHAMODE_ALPHABLEND(ALPHAMODE)) \
2273
int dpix = dest[XX]; \
2274
int dr = (dpix >> 8) & 0xf8; \
2275
int dg = (dpix >> 3) & 0xfc; \
2276
int db = (dpix << 3) & 0xf8; \
2277
int da = FBZMODE_ENABLE_ALPHA_PLANES(FBZMODE) ? depth[XX] : 0xff; \
2284
/* apply dither subtraction */ \
2285
if (FBZMODE_ALPHA_DITHER_SUBTRACT(FBZMODE)) \
2289
/* look up the dither value from the appropriate matrix */ \
2290
if (FBZMODE_DITHER_TYPE(FBZMODE) == 0) \
2291
dith = dither_matrix_4x4[(((YY) & 3) << 2) + ((XX) & 3)]; \
2293
dith = dither_matrix_2x2[(((YY) & 1) << 1) + ((XX) & 1)]; \
2295
/* subtract the dither value */ \
2296
dr = ((dr << 1) + 15 - dith) >> 1; \
2297
dg = ((dg << 2) + 15 - dith) >> 2; \
2298
db = ((db << 1) + 15 - dith) >> 1; \
2301
/* compute source portion */ \
2302
switch (ALPHAMODE_SRCRGBBLEND(ALPHAMODE)) \
2304
default: /* reserved */ \
2305
case 0: /* AZERO */ \
2306
(RR) = (GG) = (BB) = 0; \
2309
case 1: /* ASRC_ALPHA */ \
2310
(RR) = (sr * (sa + 1)) >> 8; \
2311
(GG) = (sg * (sa + 1)) >> 8; \
2312
(BB) = (sb * (sa + 1)) >> 8; \
2315
case 2: /* A_COLOR */ \
2316
(RR) = (sr * (dr + 1)) >> 8; \
2317
(GG) = (sg * (dg + 1)) >> 8; \
2318
(BB) = (sb * (db + 1)) >> 8; \
2321
case 3: /* ADST_ALPHA */ \
2322
(RR) = (sr * (da + 1)) >> 8; \
2323
(GG) = (sg * (da + 1)) >> 8; \
2324
(BB) = (sb * (da + 1)) >> 8; \
2327
case 4: /* AONE */ \
2330
case 5: /* AOMSRC_ALPHA */ \
2331
(RR) = (sr * (0x100 - sa)) >> 8; \
2332
(GG) = (sg * (0x100 - sa)) >> 8; \
2333
(BB) = (sb * (0x100 - sa)) >> 8; \
2336
case 6: /* AOM_COLOR */ \
2337
(RR) = (sr * (0x100 - dr)) >> 8; \
2338
(GG) = (sg * (0x100 - dg)) >> 8; \
2339
(BB) = (sb * (0x100 - db)) >> 8; \
2342
case 7: /* AOMDST_ALPHA */ \
2343
(RR) = (sr * (0x100 - da)) >> 8; \
2344
(GG) = (sg * (0x100 - da)) >> 8; \
2345
(BB) = (sb * (0x100 - da)) >> 8; \
2348
case 15: /* ASATURATE */ \
2349
ta = (sa < (0x100 - da)) ? sa : (0x100 - da); \
2350
(RR) = (sr * (ta + 1)) >> 8; \
2351
(GG) = (sg * (ta + 1)) >> 8; \
2352
(BB) = (sb * (ta + 1)) >> 8; \
2356
/* add in dest portion */ \
2357
switch (ALPHAMODE_DSTRGBBLEND(ALPHAMODE)) \
2359
default: /* reserved */ \
2360
case 0: /* AZERO */ \
2363
case 1: /* ASRC_ALPHA */ \
2364
(RR) += (dr * (sa + 1)) >> 8; \
2365
(GG) += (dg * (sa + 1)) >> 8; \
2366
(BB) += (db * (sa + 1)) >> 8; \
2369
case 2: /* A_COLOR */ \
2370
(RR) += (dr * (sr + 1)) >> 8; \
2371
(GG) += (dg * (sg + 1)) >> 8; \
2372
(BB) += (db * (sb + 1)) >> 8; \
2375
case 3: /* ADST_ALPHA */ \
2376
(RR) += (dr * (da + 1)) >> 8; \
2377
(GG) += (dg * (da + 1)) >> 8; \
2378
(BB) += (db * (da + 1)) >> 8; \
2381
case 4: /* AONE */ \
2387
case 5: /* AOMSRC_ALPHA */ \
2388
(RR) += (dr * (0x100 - sa)) >> 8; \
2389
(GG) += (dg * (0x100 - sa)) >> 8; \
2390
(BB) += (db * (0x100 - sa)) >> 8; \
2393
case 6: /* AOM_COLOR */ \
2394
(RR) += (dr * (0x100 - sr)) >> 8; \
2395
(GG) += (dg * (0x100 - sg)) >> 8; \
2396
(BB) += (db * (0x100 - sb)) >> 8; \
2399
case 7: /* AOMDST_ALPHA */ \
2400
(RR) += (dr * (0x100 - da)) >> 8; \
2401
(GG) += (dg * (0x100 - da)) >> 8; \
2402
(BB) += (db * (0x100 - da)) >> 8; \
2405
case 15: /* A_COLORBEFOREFOG */ \
2406
(RR) += (dr * (prefogr + 1)) >> 8; \
2407
(GG) += (dg * (prefogg + 1)) >> 8; \
2408
(BB) += (db * (prefogb + 1)) >> 8; \
2412
/* blend the source alpha */ \
2414
if (ALPHAMODE_SRCALPHABLEND(ALPHAMODE) == 4) \
2417
/* blend the dest alpha */ \
2418
if (ALPHAMODE_DSTALPHABLEND(ALPHAMODE) == 4) \
2422
CLAMP((RR), 0x00, 0xff); \
2423
CLAMP((GG), 0x00, 0xff); \
2424
CLAMP((BB), 0x00, 0xff); \
2425
CLAMP((AA), 0x00, 0xff); \
2432
/*************************************
2436
*************************************/
2438
#define APPLY_FOGGING(VV, FOGMODE, FBZCP, XX, YY, RR, GG, BB, ITERZ, ITERW, ITERAXXX) \
2441
if (FOGMODE_ENABLE_FOG(FOGMODE)) \
2445
/* constant fog bypasses everything else */ \
2446
if (FOGMODE_FOG_CONSTANT(FOGMODE)) \
2448
fr = RGB_RED((VV)->reg[fogColor].u); \
2449
fg = RGB_GREEN((VV)->reg[fogColor].u); \
2450
fb = RGB_BLUE((VV)->reg[fogColor].u); \
2453
/* non-constant fog comes from several sources */ \
2456
INT32 fogblend = 0; \
2458
/* if fog_add is zero, we start with the fog color */ \
2459
if (FOGMODE_FOG_ADD(FOGMODE) == 0) \
2461
fr = RGB_RED((VV)->reg[fogColor].u); \
2462
fg = RGB_GREEN((VV)->reg[fogColor].u); \
2463
fb = RGB_BLUE((VV)->reg[fogColor].u); \
2468
/* if fog_mult is zero, we subtract the incoming color */ \
2469
if (FOGMODE_FOG_MULT(FOGMODE) == 0) \
2476
/* fog blending mode */ \
2477
switch (FOGMODE_FOG_ZALPHA(FOGMODE)) \
2479
case 0: /* fog table */ \
2481
INT32 delta = (VV)->fbi.fogdelta[wfloat >> 10]; \
2484
/* perform the multiply against lower 8 bits of wfloat */ \
2485
deltaval = (delta & (VV)->fbi.fogdelta_mask) * \
2486
((wfloat >> 2) & 0xff); \
2488
/* fog zones allow for negating this value */ \
2489
if (FOGMODE_FOG_ZONES(FOGMODE) && (delta & 2)) \
2490
deltaval = -deltaval; \
2493
/* apply dither */ \
2494
if (FOGMODE_FOG_DITHER(FOGMODE)) \
2495
deltaval += dither_matrix_4x4[(((YY) & 3) << 2) + \
2499
/* add to the blending factor */ \
2500
fogblend = (VV)->fbi.fogblend[wfloat >> 10] + deltaval; \
2504
case 1: /* iterated A */ \
2505
fogblend = (ITERAXXX) >> 24; \
2508
case 2: /* iterated Z */ \
2509
CLAMPED_Z((ITERZ), FBZCP, fogblend); \
2513
case 3: /* iterated W - Voodoo 2 only */ \
2514
CLAMPED_W((ITERW), FBZCP, fogblend); \
2518
/* perform the blend */ \
2520
fr = (fr * fogblend) >> 8; \
2521
fg = (fg * fogblend) >> 8; \
2522
fb = (fb * fogblend) >> 8; \
2525
/* if fog_mult is 0, we add this to the original color */ \
2526
if (FOGMODE_FOG_MULT(FOGMODE) == 0) \
2533
/* otherwise this just becomes the new color */ \
2542
CLAMP((RR), 0x00, 0xff); \
2543
CLAMP((GG), 0x00, 0xff); \
2544
CLAMP((BB), 0x00, 0xff); \
2551
/*************************************
2553
* Texture pipeline macro
2555
*************************************/
2557
#define TEXTURE_PIPELINE(TT, XX, YY, TEXMODE, COTHER, LOOKUP, LODBASE, ITERS, ITERT, ITERW, RESULT) \
2560
INT32 blendr, blendg, blendb, blenda; \
2561
INT32 tr, tg, tb, ta; \
2562
INT32 oow, s, t, lod, ilod; \
2567
/* determine the S/T/LOD values for this texture */ \
2568
if (TEXMODE_ENABLE_PERSPECTIVE(TEXMODE)) \
2570
oow = fast_reciplog((ITERW), &lod); \
2571
s = ((INT64)oow * (ITERS)) >> 29; \
2572
t = ((INT64)oow * (ITERT)) >> 29; \
2577
s = (ITERS) >> 14; \
2578
t = (ITERT) >> 14; \
2583
if (TEXMODE_CLAMP_NEG_W(TEXMODE) && (ITERW) < 0) \
2586
/* clamp the LOD */ \
2587
lod += (TT)->lodbias; \
2588
if (TEXMODE_ENABLE_LOD_DITHER(TEXMODE)) \
2589
lod += dither_matrix_4x4[(((YY) & 3) << 2) + ((XX) & 3)] << 4; \
2590
if (lod < (TT)->lodmin) \
2591
lod = (TT)->lodmin; \
2592
if (lod > (TT)->lodmax) \
2593
lod = (TT)->lodmax; \
2595
/* now the LOD is in range; if we don't own this LOD, take the next one */ \
2597
if (!(((TT)->lodmask >> ilod) & 1)) \
2600
/* fetch the texture base */ \
2601
texbase = (TT)->lodoffset[ilod]; \
2603
/* compute the maximum s and t values at this LOD */ \
2604
smax = (TT)->wmask >> ilod; \
2605
tmax = (TT)->hmask >> ilod; \
2607
/* determine whether we are point-sampled or bilinear */ \
2608
if ((lod == (TT)->lodmin && !TEXMODE_MAGNIFICATION_FILTER(TEXMODE)) || \
2609
(lod != (TT)->lodmin && !TEXMODE_MINIFICATION_FILTER(TEXMODE))) \
2611
/* point sampled */ \
2615
/* adjust S/T for the LOD and strip off the fractions */ \
2619
/* clamp/wrap S/T if necessary */ \
2620
if (TEXMODE_CLAMP_S(TEXMODE)) \
2621
CLAMP(s, 0, smax); \
2622
if (TEXMODE_CLAMP_T(TEXMODE)) \
2623
CLAMP(t, 0, tmax); \
2628
/* fetch texel data */ \
2629
if (TEXMODE_FORMAT(TEXMODE) < 8) \
2631
texel0 = *(UINT8 *)&(TT)->ram[(texbase + t + s) & (TT)->mask]; \
2632
c_local = (LOOKUP)[texel0]; \
2636
texel0 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t + s)) & (TT)->mask]; \
2637
if (TEXMODE_FORMAT(TEXMODE) >= 10 && TEXMODE_FORMAT(TEXMODE) <= 12) \
2638
c_local = (LOOKUP)[texel0]; \
2640
c_local = ((LOOKUP)[texel0 & 0xff] & 0xffffff) | \
2641
((texel0 & 0xff00) << 16); \
2646
/* bilinear filtered */ \
2648
UINT32 texel0, texel1, texel2, texel3; \
2649
UINT32 factor, factorsum; \
2650
UINT32 sfrac, tfrac; \
2654
/* adjust S/T for the LOD and strip off all but the low 8 bits of */ \
2655
/* the fraction */ \
2659
/* also subtract 1/2 texel so that (0.5,0.5) = a full (0,0) texel */ \
2663
/* extract the fractions */ \
2664
sfrac = s & (TT)->bilinear_mask; \
2665
tfrac = t & (TT)->bilinear_mask; \
2667
/* now toss the rest */ \
2673
/* clamp/wrap S/T if necessary */ \
2674
if (TEXMODE_CLAMP_S(TEXMODE)) \
2676
CLAMP(s, 0, smax); \
2677
CLAMP(s1, 0, smax); \
2679
if (TEXMODE_CLAMP_T(TEXMODE)) \
2681
CLAMP(t, 0, tmax); \
2682
CLAMP(t1, 0, tmax); \
2691
/* fetch texel data */ \
2692
if (TEXMODE_FORMAT(TEXMODE) < 8) \
2694
texel0 = *(UINT8 *)&(TT)->ram[(texbase + t + s) & (TT)->mask]; \
2695
texel1 = *(UINT8 *)&(TT)->ram[(texbase + t + s1) & (TT)->mask]; \
2696
texel2 = *(UINT8 *)&(TT)->ram[(texbase + t1 + s) & (TT)->mask]; \
2697
texel3 = *(UINT8 *)&(TT)->ram[(texbase + t1 + s1) & (TT)->mask]; \
2698
texel0 = (LOOKUP)[texel0]; \
2699
texel1 = (LOOKUP)[texel1]; \
2700
texel2 = (LOOKUP)[texel2]; \
2701
texel3 = (LOOKUP)[texel3]; \
2705
texel0 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t + s)) & (TT)->mask]; \
2706
texel1 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t + s1)) & (TT)->mask];\
2707
texel2 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t1 + s)) & (TT)->mask];\
2708
texel3 = *(UINT16 *)&(TT)->ram[(texbase + 2*(t1 + s1)) & (TT)->mask];\
2709
if (TEXMODE_FORMAT(TEXMODE) >= 10 && TEXMODE_FORMAT(TEXMODE) <= 12) \
2711
texel0 = (LOOKUP)[texel0]; \
2712
texel1 = (LOOKUP)[texel1]; \
2713
texel2 = (LOOKUP)[texel2]; \
2714
texel3 = (LOOKUP)[texel3]; \
2718
texel0 = ((LOOKUP)[texel0 & 0xff] & 0xffffff) | \
2719
((texel0 & 0xff00) << 16); \
2720
texel1 = ((LOOKUP)[texel1 & 0xff] & 0xffffff) | \
2721
((texel1 & 0xff00) << 16); \
2722
texel2 = ((LOOKUP)[texel2 & 0xff] & 0xffffff) | \
2723
((texel2 & 0xff00) << 16); \
2724
texel3 = ((LOOKUP)[texel3 & 0xff] & 0xffffff) | \
2725
((texel3 & 0xff00) << 16); \
2729
/* weigh in each texel */ \
2730
factorsum = factor = ((0x100 - sfrac) * (0x100 - tfrac)) >> 8; \
2731
ag = ((texel0 >> 8) & 0x00ff00ff) * factor; \
2732
rb = (texel0 & 0x00ff00ff) * factor; \
2734
factorsum += factor = (sfrac * (0x100 - tfrac)) >> 8; \
2735
ag += ((texel1 >> 8) & 0x00ff00ff) * factor; \
2736
rb += (texel1 & 0x00ff00ff) * factor; \
2738
factorsum += factor = ((0x100 - sfrac) * tfrac) >> 8; \
2739
ag += ((texel2 >> 8) & 0x00ff00ff) * factor; \
2740
rb += (texel2 & 0x00ff00ff) * factor; \
2742
factor = 0x100 - factorsum; \
2743
ag += ((texel3 >> 8) & 0x00ff00ff) * factor; \
2744
rb += (texel3 & 0x00ff00ff) * factor; \
2746
c_local = (ag & 0xff00ff00) | ((rb >> 8) & 0x00ff00ff); \
2749
/* select zero/other for RGB */ \
2750
if (!TEXMODE_TC_ZERO_OTHER(TEXMODE)) \
2752
tr = RGB_RED(COTHER); \
2753
tg = RGB_GREEN(COTHER); \
2754
tb = RGB_BLUE(COTHER); \
2759
/* select zero/other for alpha */ \
2760
if (!TEXMODE_TCA_ZERO_OTHER(TEXMODE)) \
2761
ta = RGB_ALPHA(COTHER); \
2765
/* potentially subtract c_local */ \
2766
if (TEXMODE_TC_SUB_CLOCAL(TEXMODE)) \
2768
tr -= RGB_RED(c_local); \
2769
tg -= RGB_GREEN(c_local); \
2770
tb -= RGB_BLUE(c_local); \
2772
if (TEXMODE_TCA_SUB_CLOCAL(TEXMODE)) \
2773
ta -= RGB_ALPHA(c_local); \
2776
switch (TEXMODE_TC_MSELECT(TEXMODE)) \
2778
default: /* reserved */ \
2779
case 0: /* zero */ \
2780
blendr = blendg = blendb = 0; \
2783
case 1: /* c_local */ \
2784
blendr = RGB_RED(c_local); \
2785
blendg = RGB_GREEN(c_local); \
2786
blendb = RGB_BLUE(c_local); \
2789
case 2: /* a_other */ \
2790
blendr = blendg = blendb = RGB_ALPHA(COTHER); \
2793
case 3: /* a_local */ \
2794
blendr = blendg = blendb = RGB_ALPHA(c_local); \
2797
case 4: /* LOD (detail factor) */ \
2798
if ((TT)->detailbias <= lod) \
2799
blendr = blendg = blendb = 0; \
2802
blendr = ((((TT)->detailbias - lod) << (TT)->detailscale) >> 8);\
2803
if (blendr > (TT)->detailmax) \
2804
blendr = (TT)->detailmax; \
2805
blendg = blendb = blendr; \
2809
case 5: /* LOD fraction */ \
2810
blendr = blendg = blendb = lod & 0xff; \
2815
switch (TEXMODE_TCA_MSELECT(TEXMODE)) \
2817
default: /* reserved */ \
2818
case 0: /* zero */ \
2822
case 1: /* c_local */ \
2823
blenda = RGB_ALPHA(c_local); \
2826
case 2: /* a_other */ \
2827
blenda = RGB_ALPHA(COTHER); \
2830
case 3: /* a_local */ \
2831
blenda = RGB_ALPHA(c_local); \
2834
case 4: /* LOD (detail factor) */ \
2835
if ((TT)->detailbias <= lod) \
2839
blenda = ((((TT)->detailbias - lod) << (TT)->detailscale) >> 8);\
2840
if (blenda > (TT)->detailmax) \
2841
blenda = (TT)->detailmax; \
2845
case 5: /* LOD fraction */ \
2846
blenda = lod & 0xff; \
2850
/* reverse the RGB blend */ \
2851
if (!TEXMODE_TC_REVERSE_BLEND(TEXMODE)) \
2858
/* reverse the alpha blend */ \
2859
if (!TEXMODE_TCA_REVERSE_BLEND(TEXMODE)) \
2862
/* do the blend */ \
2863
tr = (tr * (blendr + 1)) >> 8; \
2864
tg = (tg * (blendg + 1)) >> 8; \
2865
tb = (tb * (blendb + 1)) >> 8; \
2866
ta = (ta * (blenda + 1)) >> 8; \
2868
/* add clocal or alocal to RGB */ \
2869
switch (TEXMODE_TC_ADD_ACLOCAL(TEXMODE)) \
2871
case 3: /* reserved */ \
2872
case 0: /* nothing */ \
2875
case 1: /* add c_local */ \
2876
tr += RGB_RED(c_local); \
2877
tg += RGB_GREEN(c_local); \
2878
tb += RGB_BLUE(c_local); \
2881
case 2: /* add_alocal */ \
2882
tr += RGB_ALPHA(c_local); \
2883
tg += RGB_ALPHA(c_local); \
2884
tb += RGB_ALPHA(c_local); \
2888
/* add clocal or alocal to alpha */ \
2889
if (TEXMODE_TCA_ADD_ACLOCAL(TEXMODE)) \
2890
ta += RGB_ALPHA(c_local); \
2893
CLAMP(tr, 0x00, 0xff); \
2894
CLAMP(tg, 0x00, 0xff); \
2895
CLAMP(tb, 0x00, 0xff); \
2896
CLAMP(ta, 0x00, 0xff); \
2898
/* produce the final result */ \
2899
(RESULT) = MAKE_ARGB(ta, tr, tg, tb); \
2902
if (TEXMODE_TC_INVERT_OUTPUT(TEXMODE)) \
2903
(RESULT) ^= 0x00ffffff; \
2904
if (TEXMODE_TCA_INVERT_OUTPUT(TEXMODE)) \
2905
(RESULT) ^= 0xff000000; \
2911
/*************************************
2913
* Pixel pipeline macros
2915
*************************************/
2917
#define PIXEL_PIPELINE_BEGIN(VV, XX, YY, SCRY, FBZCOLORPATH, FBZMODE, ITERZ, ITERW) \
2920
INT32 depthval, wfloat; \
2921
INT32 prefogr, prefogg, prefogb; \
2924
(VV)->reg[fbiPixelsIn].u++; \
2926
/* apply clipping */ \
2927
if (FBZMODE_ENABLE_CLIPPING(FBZMODE)) \
2929
if ((XX) < (((VV)->reg[clipLeftRight].u >> 16) & 0x3ff) || \
2930
(XX) >= ((VV)->reg[clipLeftRight].u & 0x3ff) || \
2931
(SCRY) < (((VV)->reg[clipLowYHighY].u >> 16) & 0x3ff) || \
2932
(SCRY) >= ((VV)->reg[clipLowYHighY].u & 0x3ff)) \
2934
v->stats.total_clipped++; \
2935
goto skipdrawdepth; \
2939
/* rotate stipple pattern */ \
2940
if (FBZMODE_STIPPLE_PATTERN(FBZMODE) == 0) \
2941
(VV)->reg[stipple].u = ((VV)->reg[stipple].u << 1) | ((VV)->reg[stipple].u >> 31);\
2943
/* handle stippling */ \
2944
if (FBZMODE_ENABLE_STIPPLE(FBZMODE)) \
2947
if (FBZMODE_STIPPLE_PATTERN(FBZMODE) == 0) \
2949
if (((VV)->reg[stipple].u & 0x80000000) == 0) \
2951
v->stats.total_stippled++; \
2952
goto skipdrawdepth; \
2956
/* pattern mode */ \
2959
int stipple_index = (((YY) & 3) << 3) | (~(XX) & 7); \
2960
if ((((VV)->reg[stipple].u >> stipple_index) & 1) == 0) \
2962
v->stats.total_stippled++; \
2963
goto skipdrawdepth; \
2968
/* compute "floating point" W value (used for depth and fog) */ \
2969
if ((ITERW) & U64(0xffff00000000)) \
2973
UINT32 temp = (UINT32)(ITERW); \
2974
if ((temp & 0xffff0000) == 0) \
2978
int exp = count_leading_zeros(temp); \
2979
wfloat = ((exp << 12) | ((~temp >> (19 - exp)) & 0xfff)) + 1; \
2983
/* compute depth value (W or Z) for this pixel */ \
2984
if (FBZMODE_WBUFFER_SELECT(FBZMODE) == 0) \
2985
CLAMPED_Z(ITERZ, FBZCOLORPATH, depthval); \
2986
else if (FBZMODE_DEPTH_FLOAT_SELECT(FBZMODE) == 0) \
2987
depthval = wfloat; \
2990
if ((ITERZ) & 0xf0000000) \
2991
depthval = 0x0000; \
2994
UINT32 temp = (ITERZ) << 4; \
2995
if ((temp & 0xffff0000) == 0) \
2996
depthval = 0xffff; \
2999
int exp = count_leading_zeros(temp); \
3000
depthval = ((exp << 12) | ((~temp >> (19 - exp)) & 0xfff)) + 1; \
3005
/* add the bias */ \
3006
if (FBZMODE_ENABLE_DEPTH_BIAS(FBZMODE)) \
3008
depthval += (INT16)v->reg[zaColor].u; \
3009
CLAMP(depthval, 0, 0xffff); \
3012
/* handle depth buffer testing */ \
3013
if (FBZMODE_ENABLE_DEPTHBUF(FBZMODE)) \
3015
INT32 depthsource; \
3017
/* the source depth is either the iterated W/Z+bias or a */ \
3018
/* constant value */ \
3019
if (FBZMODE_DEPTH_SOURCE_COMPARE(FBZMODE) == 0) \
3020
depthsource = depthval; \
3022
depthsource = v->reg[zaColor].u & 0xffff; \
3024
/* test against the depth buffer */ \
3025
switch (FBZMODE_DEPTH_FUNCTION(FBZMODE)) \
3027
case 0: /* depthOP = never */ \
3028
(VV)->reg[fbiZfuncFail].u++; \
3029
goto skipdrawdepth; \
3031
case 1: /* depthOP = less than */ \
3032
if (depthsource >= depth[XX]) \
3034
(VV)->reg[fbiZfuncFail].u++; \
3035
goto skipdrawdepth; \
3039
case 2: /* depthOP = equal */ \
3040
if (depthsource != depth[XX]) \
3042
(VV)->reg[fbiZfuncFail].u++; \
3043
goto skipdrawdepth; \
3047
case 3: /* depthOP = less than or equal */ \
3048
if (depthsource > depth[XX]) \
3050
(VV)->reg[fbiZfuncFail].u++; \
3051
goto skipdrawdepth; \
3055
case 4: /* depthOP = greater than */ \
3056
if (depthsource <= depth[XX]) \
3058
(VV)->reg[fbiZfuncFail].u++; \
3059
goto skipdrawdepth; \
3063
case 5: /* depthOP = not equal */ \
3064
if (depthsource == depth[XX]) \
3066
(VV)->reg[fbiZfuncFail].u++; \
3067
goto skipdrawdepth; \
3071
case 6: /* depthOP = greater than or equal */ \
3072
if (depthsource < depth[XX]) \
3074
(VV)->reg[fbiZfuncFail].u++; \
3075
goto skipdrawdepth; \
3079
case 7: /* depthOP = always */ \
3085
#define PIXEL_PIPELINE_END(VV, XX, YY, dest, depth, FBZMODE, FBZCOLORPATH, ALPHAMODE, FOGMODE, ITERZ, ITERW, ITERAXXX) \
3087
/* perform fogging */ \
3091
APPLY_FOGGING(VV, FOGMODE, FBZCOLORPATH, XX, YY, r, g, b, \
3092
ITERZ, ITERW, ITERAXXX); \
3094
/* perform alpha blending */ \
3095
APPLY_ALPHA_BLEND(FBZMODE, ALPHAMODE, XX, YY, r, g, b, a); \
3097
/* modify the pixel for debugging purposes */ \
3100
/* write to framebuffer */ \
3101
if (FBZMODE_RGB_BUFFER_MASK(FBZMODE)) \
3103
/* apply dithering */ \
3104
APPLY_DITHER(FBZMODE, (XX), (YY), r, g, b); \
3105
dest[XX] = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); \
3108
/* write to aux buffer */ \
3109
if (depth && FBZMODE_AUX_BUFFER_MASK(FBZMODE)) \
3111
if (FBZMODE_ENABLE_ALPHA_PLANES(FBZMODE) == 0) \
3112
depth[XX] = depthval; \
3117
/* track pixel writes to the frame buffer regardless of mask */ \
3118
(VV)->reg[fbiPixelsOut].u++; \
3127
/*************************************
3129
* Colorpath pipeline macro
3131
*************************************/
3137
if (FBZMODE_ENABLE_CHROMAKEY(FBZMODE) ||
3138
FBZCP_CC_ZERO_OTHER(FBZCOLORPATH) == 0)
3142
if (FBZCP_CC_SUB_CLOCAL(FBZCOLORPATH) ||
3143
FBZCP_CC_MSELECT(FBZCOLORPATH) == 1 ||
3144
FBZCP_CC_ADD_ACLOCAL(FBZCOLORPATH) == 1)
3148
if ((c_other_is_used && FBZCP_CC_RGBSELECT(FBZCOLORPATH) == 0) ||
3149
(c_local_is_used && (FBZCP_CC_LOCALSELECT_OVERRIDE(FBZCOLORPATH) != 0 || FBZCP_CC_LOCALSELECT(FBZCOLORPATH) == 0))
3153
if ((a_other_is_used && FBZCP_CC_ASELECT(FBZCOLORPATH) == 0) ||
3154
(a_local_is_used && FBZCP_CCA_LOCALSELECT(FBZCOLORPATH) == 0))
3158
if (FBZMODE_WBUFFER_SELECT(FBZMODE) == 0 ||
3159
FBZMODE_DEPTH_FLOAT_SELECT(FBZMODE) != 0 ||
3160
FBZCP_CCA_LOCALSELECT(FBZCOLORPATH) == 2)
3166
Expects the following declarations to be outside of this scope:
3170
#define COLORPATH_PIPELINE(VV, FBZCOLORPATH, FBZMODE, ALPHAMODE, TEXELARGB, ITERZ, ITERW, ITERARGB) \
3173
INT32 blendr, blendg, blendb, blenda; \
3179
/* compute c_other */ \
3180
switch (FBZCP_CC_RGBSELECT(FBZCOLORPATH)) \
3182
case 0: /* iterated RGB */ \
3183
c_other = (ITERARGB); \
3186
case 1: /* texture RGB */ \
3187
c_other = (TEXELARGB); \
3190
case 2: /* color1 RGB */ \
3191
c_other = (VV)->reg[color1].u; \
3194
default: /* reserved */ \
3199
/* handle chroma key */ \
3200
APPLY_CHROMAKEY(VV, FBZMODE, c_other); \
3202
/* compute a_other */ \
3203
switch (FBZCP_CC_ASELECT(FBZCOLORPATH)) \
3205
case 0: /* iterated alpha */ \
3206
a_other = RGB_ALPHA(ITERARGB); \
3209
case 1: /* texture alpha */ \
3210
a_other = RGB_ALPHA(TEXELARGB); \
3213
case 2: /* color1 alpha */ \
3214
a_other = RGB_ALPHA((VV)->reg[color1].u); \
3217
default: /* reserved */ \
3222
/* handle alpha mask */ \
3223
APPLY_ALPHAMASK(VV, FBZMODE, a_other); \
3225
/* handle alpha test */ \
3226
APPLY_ALPHATEST(VV, ALPHAMODE, a_other); \
3228
/* compute c_local */ \
3229
if (FBZCP_CC_LOCALSELECT_OVERRIDE(FBZCOLORPATH) == 0) \
3231
if (FBZCP_CC_LOCALSELECT(FBZCOLORPATH) == 0) /* iterated RGB */ \
3232
c_local = (ITERARGB); \
3233
else /* color0 RGB */ \
3234
c_local = (VV)->reg[color0].u; \
3238
if (!((TEXELARGB) & 0x80000000)) /* iterated RGB */ \
3239
c_local = (ITERARGB); \
3240
else /* color0 RGB */ \
3241
c_local = (VV)->reg[color0].u; \
3244
/* compute a_local */ \
3245
switch (FBZCP_CCA_LOCALSELECT(FBZCOLORPATH)) \
3248
case 0: /* iterated alpha */ \
3249
a_local = RGB_ALPHA(ITERARGB); \
3252
case 1: /* color0 alpha */ \
3253
a_local = RGB_ALPHA((VV)->reg[color0].u); \
3256
case 2: /* clamped iterated Z[27:20] */ \
3257
CLAMPED_Z(ITERZ, FBZCOLORPATH, a_local); \
3260
case 3: /* clamped iterated W[39:32] */ \
3261
CLAMPED_W(ITERW, FBZCOLORPATH, a_local); /* Voodoo 2 only */ \
3265
/* select zero or c_other */ \
3266
if (FBZCP_CC_ZERO_OTHER(FBZCOLORPATH) == 0) \
3268
r = RGB_RED(c_other); \
3269
g = RGB_GREEN(c_other); \
3270
b = RGB_BLUE(c_other); \
3275
/* select zero or a_other */ \
3276
if (FBZCP_CCA_ZERO_OTHER(FBZCOLORPATH) == 0) \
3281
/* subtract c_local */ \
3282
if (FBZCP_CC_SUB_CLOCAL(FBZCOLORPATH)) \
3284
r -= RGB_RED(c_local); \
3285
g -= RGB_GREEN(c_local); \
3286
b -= RGB_BLUE(c_local); \
3289
/* subtract a_local */ \
3290
if (FBZCP_CCA_SUB_CLOCAL(FBZCOLORPATH)) \
3294
switch (FBZCP_CC_MSELECT(FBZCOLORPATH)) \
3296
default: /* reserved */ \
3298
blendr = blendg = blendb = 0; \
3301
case 1: /* c_local */ \
3302
blendr = RGB_RED(c_local); \
3303
blendg = RGB_GREEN(c_local); \
3304
blendb = RGB_BLUE(c_local); \
3307
case 2: /* a_other */ \
3308
blendr = blendg = blendb = a_other; \
3311
case 3: /* a_local */ \
3312
blendr = blendg = blendb = a_local; \
3315
case 4: /* texture alpha */ \
3316
blendr = blendg = blendb = (TEXELARGB) >> 24; \
3319
case 5: /* texture RGB (Voodoo 2 only) */ \
3320
blendr = RGB_RED(TEXELARGB); \
3321
blendg = RGB_GREEN(TEXELARGB); \
3322
blendb = RGB_BLUE(TEXELARGB); \
3327
switch (FBZCP_CCA_MSELECT(FBZCOLORPATH)) \
3329
default: /* reserved */ \
3334
case 1: /* a_local */ \
3338
case 2: /* a_other */ \
3342
case 3: /* a_local */ \
3346
case 4: /* texture alpha */ \
3347
blenda = (TEXELARGB) >> 24; \
3351
/* reverse the RGB blend */ \
3352
if (!FBZCP_CC_REVERSE_BLEND(FBZCOLORPATH)) \
3359
/* reverse the alpha blend */ \
3360
if (!FBZCP_CCA_REVERSE_BLEND(FBZCOLORPATH)) \
3363
/* do the blend */ \
3364
r = (r * (blendr + 1)) >> 8; \
3365
g = (g * (blendg + 1)) >> 8; \
3366
b = (b * (blendb + 1)) >> 8; \
3367
a = (a * (blenda + 1)) >> 8; \
3369
/* add clocal or alocal to RGB */ \
3370
switch (FBZCP_CC_ADD_ACLOCAL(FBZCOLORPATH)) \
3372
case 3: /* reserved */ \
3373
case 0: /* nothing */ \
3376
case 1: /* add c_local */ \
3377
r += RGB_RED(c_local); \
3378
g += RGB_GREEN(c_local); \
3379
b += RGB_BLUE(c_local); \
3382
case 2: /* add_alocal */ \
3389
/* add clocal or alocal to alpha */ \
3390
if (FBZCP_CCA_ADD_ACLOCAL(FBZCOLORPATH)) \
3394
CLAMP(r, 0x00, 0xff); \
3395
CLAMP(g, 0x00, 0xff); \
3396
CLAMP(b, 0x00, 0xff); \
3397
CLAMP(a, 0x00, 0xff); \
3400
if (FBZCP_CC_INVERT_OUTPUT(FBZCOLORPATH)) \
3406
if (FBZCP_CCA_INVERT_OUTPUT(FBZCOLORPATH)) \
3413
/*************************************
3415
* Rasterizer generator macro
3417
*************************************/
3419
#define ITER_RGB(r,g,b) ((((r) << 4) & 0xff0000) | (((g) >> 4) & 0xff00) | (((b) >> 12) & 0xff))
3421
#define RASTERIZER(name, TMUS, FBZCOLORPATH, FBZMODE, ALPHAMODE, FOGMODE, TEXMODE0, TEXMODE1) \
3423
static void raster_##name(voodoo_state *v, UINT16 *drawbuf) \
3425
INT32 dxdy_minmid, dxdy_minmax, dxdy_midmax; \
3426
INT32 minx, miny, midx, midy, maxx, maxy; \
3427
INT32 starty, stopy; \
3430
/* sort the vertices */ \
3431
if (v->fbi.ay <= v->fbi.by) \
3433
if (v->fbi.by <= v->fbi.cy) \
3435
minx = v->fbi.ax; miny = v->fbi.ay; \
3436
midx = v->fbi.bx; midy = v->fbi.by; \
3437
maxx = v->fbi.cx; maxy = v->fbi.cy; \
3439
else if (v->fbi.ay <= v->fbi.cy) \
3441
minx = v->fbi.ax; miny = v->fbi.ay; \
3442
midx = v->fbi.cx; midy = v->fbi.cy; \
3443
maxx = v->fbi.bx; maxy = v->fbi.by; \
3447
minx = v->fbi.cx; miny = v->fbi.cy; \
3448
midx = v->fbi.ax; midy = v->fbi.ay; \
3449
maxx = v->fbi.bx; maxy = v->fbi.by; \
3454
if (v->fbi.ay <= v->fbi.cy) \
3456
minx = v->fbi.bx; miny = v->fbi.by; \
3457
midx = v->fbi.ax; midy = v->fbi.ay; \
3458
maxx = v->fbi.cx; maxy = v->fbi.cy; \
3460
else if (v->fbi.by <= v->fbi.cy) \
3462
minx = v->fbi.bx; miny = v->fbi.by; \
3463
midx = v->fbi.cx; midy = v->fbi.cy; \
3464
maxx = v->fbi.ax; maxy = v->fbi.ay; \
3468
minx = v->fbi.cx; miny = v->fbi.cy; \
3469
midx = v->fbi.bx; midy = v->fbi.by; \
3470
maxx = v->fbi.ax; maxy = v->fbi.ay; \
3474
/* compute the slopes as 16.16 numbers */ \
3475
dxdy_minmid = (miny == midy) ? 0 : ((midx - minx) << 16) / (midy - miny); \
3476
dxdy_minmax = (miny == maxy) ? 0 : ((maxx - minx) << 16) / (maxy - miny); \
3477
dxdy_midmax = (midy == maxy) ? 0 : ((maxx - midx) << 16) / (maxy - midy); \
3479
/* clamp to full pixels */ \
3480
starty = (miny + 7) >> 4; \
3481
stopy = (maxy + 7) >> 4; \
3484
for (y = starty; y < stopy; y++) \
3486
INT32 iterr, iterg, iterb, itera; \
3488
INT64 iterw, iterw0 = 0, iterw1 = 0; \
3489
INT64 iters0 = 0, iters1 = 0; \
3490
INT64 itert0 = 0, itert1 = 0; \
3491
INT32 startx, stopx; \
3498
/* compute X endpoints */ \
3499
fully = (y << 4) + 8; \
3500
startx = minx + (((fully - miny) * dxdy_minmax) >> 16); \
3502
stopx = minx + (((fully - miny) * dxdy_minmid) >> 16); \
3504
stopx = midx + (((fully - midy) * dxdy_midmax) >> 16); \
3506
/* clamp to full pixels */ \
3507
startx = (startx + 7) >> 4; \
3508
stopx = (stopx + 7) >> 4; \
3510
/* force start < stop */ \
3511
if (startx > stopx) \
3513
int temp = startx; \
3518
/* determine the screen Y */ \
3520
if (FBZMODE_Y_ORIGIN(FBZMODE)) \
3521
scry = (v->fbi.yorigin - y) & 0x3ff; \
3523
/* get pointers to the target buffer and depth buffer */ \
3524
dest = drawbuf + scry * v->fbi.rowpixels; \
3525
depth = v->fbi.aux ? (v->fbi.aux + scry * v->fbi.rowpixels) : NULL; \
3527
/* compute the starting parameters */ \
3528
dx = startx - (v->fbi.ax >> 4); \
3529
dy = y - (v->fbi.ay >> 4); \
3530
iterr = v->fbi.startr + dy * v->fbi.drdy + dx * v->fbi.drdx; \
3531
iterg = v->fbi.startg + dy * v->fbi.dgdy + dx * v->fbi.dgdx; \
3532
iterb = v->fbi.startb + dy * v->fbi.dbdy + dx * v->fbi.dbdx; \
3533
itera = v->fbi.starta + dy * v->fbi.dady + dx * v->fbi.dadx; \
3534
iterz = v->fbi.startz + dy * v->fbi.dzdy + dx * v->fbi.dzdx; \
3535
iterw = v->fbi.startw + dy * v->fbi.dwdy + dx * v->fbi.dwdx; \
3538
iterw0 = v->tmu[0].startw + dy * v->tmu[0].dwdy + \
3539
dx * v->tmu[0].dwdx; \
3540
iters0 = v->tmu[0].starts + dy * v->tmu[0].dsdy + \
3541
dx * v->tmu[0].dsdx; \
3542
itert0 = v->tmu[0].startt + dy * v->tmu[0].dtdy + \
3543
dx * v->tmu[0].dtdx; \
3547
iterw1 = v->tmu[1].startw + dy * v->tmu[1].dwdy + \
3548
dx * v->tmu[1].dwdx; \
3549
iters1 = v->tmu[1].starts + dy * v->tmu[1].dsdy + \
3550
dx * v->tmu[1].dsdx; \
3551
itert1 = v->tmu[1].startt + dy * v->tmu[1].dtdy + \
3552
dx * v->tmu[1].dtdx; \
3556
for (x = startx; x < stopx; x++) \
3558
rgb_t iterargb = 0; \
3561
/* pixel pipeline part 1 handles depth testing and stippling */ \
3562
PIXEL_PIPELINE_BEGIN(v, x, y, scry, FBZCOLORPATH, FBZMODE, \
3565
/* run the texture pipeline on TMU1 to produce a value in texel */ \
3566
/* note that they set LOD min to 8 to "disable" a TMU */ \
3567
if (TMUS >= 2 && v->tmu[1].lodmin < (8 << 8)) \
3568
TEXTURE_PIPELINE(&v->tmu[1], x, y, TEXMODE1, texel, \
3569
v->tmu[1].lookup, v->tmu[1].lodbase, \
3570
iters1, itert1, iterw1, texel); \
3572
/* run the texture pipeline on TMU0 to produce a final */ \
3573
/* result in texel */ \
3574
/* note that they set LOD min to 8 to "disable" a TMU */ \
3575
if (TMUS >= 1 && v->tmu[0].lodmin < (8 << 8)) \
3576
TEXTURE_PIPELINE(&v->tmu[0], x, y, TEXMODE0, texel, \
3577
v->tmu[0].lookup, v->tmu[0].lodbase, \
3578
iters0, itert0, iterw0, texel); \
3580
/* colorpath pipeline selects source colors and does blending */ \
3581
CLAMPED_ARGB(iterr, iterg, iterb, itera, FBZCOLORPATH, iterargb); \
3582
COLORPATH_PIPELINE(v, FBZCOLORPATH, FBZMODE, ALPHAMODE, texel, \
3583
iterz, iterw, iterargb); \
3585
/* pixel pipeline part 2 handles fog, alpha, and final output */ \
3586
PIXEL_PIPELINE_END(v, x, y, dest, depth, FBZMODE, FBZCOLORPATH, \
3587
ALPHAMODE, FOGMODE, iterz, iterw, iterargb);\
3589
/* update the iterated parameters */ \
3590
iterr += v->fbi.drdx; \
3591
iterg += v->fbi.dgdx; \
3592
iterb += v->fbi.dbdx; \
3593
itera += v->fbi.dadx; \
3594
iterz += v->fbi.dzdx; \
3595
iterw += v->fbi.dwdx; \
3598
iterw0 += v->tmu[0].dwdx; \
3599
iters0 += v->tmu[0].dsdx; \
3600
itert0 += v->tmu[0].dtdx; \
3604
iterw1 += v->tmu[1].dwdx; \
3605
iters1 += v->tmu[1].dsdx; \
3606
itert1 += v->tmu[1].dtdx; \
added
removed
src/vidhrdw/vooddefs.h
