3693 lines
193 KiB
C
3693 lines
193 KiB
C
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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/*
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* Portion of this software comes with the following license
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*/
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/***************************************************************************
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Copyright Aaron Giles
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name 'MAME' nor the names of its contributors may be
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used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***************************************************************************/
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/*************************************************************************
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3dfx Voodoo Graphics SST-1/2 emulator
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emulator by Aaron Giles
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**************************************************************************/
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/*************************************
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*
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* Misc. constants
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*
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*************************************/
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/* enumeration describing reasons we might be stalled */
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enum
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{
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NOT_STALLED = 0,
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STALLED_UNTIL_FIFO_LWM,
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STALLED_UNTIL_FIFO_EMPTY
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};
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/* maximum number of TMUs */
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#define MAX_TMU 2
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/* 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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* Register constants
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*
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*************************************/
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/* Codes to the right:
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R = readable
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W = writeable
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P = pipelined
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F = goes to FIFO
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*/
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/* 0x000 */
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#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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/* 0x040 */
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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 */
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#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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/* 0x080 */
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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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/* 0x0c0 */
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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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/* 0x100 */
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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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/* 0x140 */
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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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/* 0x1c0 */
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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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/* 0x200 */
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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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/* 0x240 */
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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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/* 0x280 */
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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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/* 0x2c0 */
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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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/* 0x300 */
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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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*
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* Alias map of the first 64
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* registers when remapped
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*
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*************************************/
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static const Bit8u register_alias_map[0x40] =
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{
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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,
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dGdX, dGdY, startB, dBdX,
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dBdY, startZ, dZdX, dZdY,
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startA, dAdX, dAdY, startS,
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dSdX, dSdY, startT, dTdX,
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dTdY, startW, dWdX, dWdY,
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triangleCMD,0x084/4, fvertexAx, fvertexAy,
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fvertexBx, fvertexBy, fvertexCx, fvertexCy,
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fstartR, fdRdX, fdRdY, fstartG,
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fdGdX, fdGdY, fstartB, fdBdX,
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fdBdY, fstartZ, fdZdX, fdZdY,
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fstartA, fdAdX, fdAdY, fstartS,
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fdSdX, fdSdY, fstartT, fdTdX,
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fdTdY, fstartW, fdWdX, fdWdY
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};
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/*************************************
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*
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* Table of per-register access rights
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*
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*************************************/
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static const Bit8u voodoo_register_access[0x100] =
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{
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/* 0x000 */
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REG_RP, 0, REG_WPF, REG_WPF,
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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/* 0x040 */
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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REG_WPF, REG_WPF, REG_WPF, REG_WPF,
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/* 0x080 */
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|
REG_WPF, 0, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x0c0 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x100 */
|
|
REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF,
|
|
REG_RWF, REG_RWF, REG_RWF, REG_RWF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, 0, 0,
|
|
|
|
/* 0x140 */
|
|
REG_RWF, REG_RWF, REG_RWF, REG_R,
|
|
REG_R, REG_R, REG_R, REG_R,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x180 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x1c0 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x200 */
|
|
REG_RW, REG_R, REG_RW, REG_RW,
|
|
REG_RW, REG_RW, REG_RW, REG_RW,
|
|
REG_W, REG_W, REG_W, REG_W,
|
|
REG_W, 0, 0, 0,
|
|
|
|
/* 0x240 */
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x280 */
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x2c0 */
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x300 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x340 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x380 */
|
|
REG_WF
|
|
};
|
|
|
|
|
|
static const Bit8u voodoo2_register_access[0x100] =
|
|
{
|
|
/* 0x000 */
|
|
REG_RP, REG_RWPT, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x040 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x080 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x0c0 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x100 */
|
|
REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF,
|
|
REG_RWF, REG_RWF, REG_RWF, REG_RWF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x140 */
|
|
REG_RWF, REG_RWF, REG_RWF, REG_R,
|
|
REG_R, REG_R, REG_R, REG_R,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x180 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x1c0 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_RWT, REG_RWT, REG_RWT, REG_RWT,
|
|
REG_RWT, REG_RWT, REG_RWT, REG_RW,
|
|
|
|
/* 0x200 */
|
|
REG_RWT, REG_R, REG_RWT, REG_RWT,
|
|
REG_RWT, REG_RWT, REG_RWT, REG_RWT,
|
|
REG_WT, REG_WT, REG_WF, REG_WT,
|
|
REG_WT, REG_WT, REG_WT, REG_WT,
|
|
|
|
/* 0x240 */
|
|
REG_R, REG_RWT, REG_RWT, REG_RWT,
|
|
0, 0, REG_R, REG_R,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x280 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x2c0 */
|
|
REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF,
|
|
REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF,
|
|
REG_RWPF, REG_RWPF, REG_RWPF, REG_RWPF,
|
|
REG_RWPF, REG_RWPF, REG_RWPF, REG_WPF,
|
|
|
|
/* 0x300 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x340 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x380 */
|
|
REG_WF
|
|
};
|
|
|
|
|
|
static const Bit8u banshee_register_access[0x100] =
|
|
{
|
|
/* 0x000 */
|
|
REG_RP, REG_RWPT, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x040 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x080 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x0c0 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x100 */
|
|
REG_WPF, REG_RWPF, REG_RWPF, REG_RWPF,
|
|
REG_RWF, REG_RWF, REG_RWF, REG_RWF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x140 */
|
|
REG_RWF, REG_RWF, REG_RWF, REG_R,
|
|
REG_R, REG_R, REG_R, REG_R,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x180 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x1c0 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
0, 0, 0, REG_RWF,
|
|
REG_RWF, REG_RWF, REG_RWF, 0,
|
|
|
|
/* 0x200 */
|
|
REG_RWF, REG_RWF, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x240 */
|
|
0, 0, 0, REG_WT,
|
|
REG_RWF, REG_RWF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_R, REG_R,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
|
|
/* 0x280 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x2c0 */
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
0, 0, 0, 0,
|
|
|
|
/* 0x300 */
|
|
REG_WPF, REG_WPF, REG_WPF, REG_WPF,
|
|
REG_WPF, REG_WPF, REG_WPF, 0,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x340 */
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
REG_WF, REG_WF, REG_WF, REG_WF,
|
|
|
|
/* 0x380 */
|
|
REG_WF
|
|
};
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Register string table for debug
|
|
*
|
|
*************************************/
|
|
|
|
static const char *const voodoo_reg_name[] =
|
|
{
|
|
/* 0x000 */
|
|
"status", "{intrCtrl}", "vertexAx", "vertexAy",
|
|
"vertexBx", "vertexBy", "vertexCx", "vertexCy",
|
|
"startR", "startG", "startB", "startZ",
|
|
"startA", "startS", "startT", "startW",
|
|
/* 0x040 */
|
|
"dRdX", "dGdX", "dBdX", "dZdX",
|
|
"dAdX", "dSdX", "dTdX", "dWdX",
|
|
"dRdY", "dGdY", "dBdY", "dZdY",
|
|
"dAdY", "dSdY", "dTdY", "dWdY",
|
|
/* 0x080 */
|
|
"triangleCMD", "reserved084", "fvertexAx", "fvertexAy",
|
|
"fvertexBx", "fvertexBy", "fvertexCx", "fvertexCy",
|
|
"fstartR", "fstartG", "fstartB", "fstartZ",
|
|
"fstartA", "fstartS", "fstartT", "fstartW",
|
|
/* 0x0c0 */
|
|
"fdRdX", "fdGdX", "fdBdX", "fdZdX",
|
|
"fdAdX", "fdSdX", "fdTdX", "fdWdX",
|
|
"fdRdY", "fdGdY", "fdBdY", "fdZdY",
|
|
"fdAdY", "fdSdY", "fdTdY", "fdWdY",
|
|
/* 0x100 */
|
|
"ftriangleCMD", "fbzColorPath", "fogMode", "alphaMode",
|
|
"fbzMode", "lfbMode", "clipLeftRight","clipLowYHighY",
|
|
"nopCMD", "fastfillCMD", "swapbufferCMD","fogColor",
|
|
"zaColor", "chromaKey", "{chromaRange}","{userIntrCMD}",
|
|
/* 0x140 */
|
|
"stipple", "color0", "color1", "fbiPixelsIn",
|
|
"fbiChromaFail","fbiZfuncFail", "fbiAfuncFail", "fbiPixelsOut",
|
|
"fogTable160", "fogTable164", "fogTable168", "fogTable16c",
|
|
"fogTable170", "fogTable174", "fogTable178", "fogTable17c",
|
|
/* 0x180 */
|
|
"fogTable180", "fogTable184", "fogTable188", "fogTable18c",
|
|
"fogTable190", "fogTable194", "fogTable198", "fogTable19c",
|
|
"fogTable1a0", "fogTable1a4", "fogTable1a8", "fogTable1ac",
|
|
"fogTable1b0", "fogTable1b4", "fogTable1b8", "fogTable1bc",
|
|
/* 0x1c0 */
|
|
"fogTable1c0", "fogTable1c4", "fogTable1c8", "fogTable1cc",
|
|
"fogTable1d0", "fogTable1d4", "fogTable1d8", "fogTable1dc",
|
|
"{cmdFifoBaseAddr}","{cmdFifoBump}","{cmdFifoRdPtr}","{cmdFifoAMin}",
|
|
"{cmdFifoAMax}","{cmdFifoDepth}","{cmdFifoHoles}","reserved1fc",
|
|
/* 0x200 */
|
|
"fbiInit4", "vRetrace", "backPorch", "videoDimensions",
|
|
"fbiInit0", "fbiInit1", "fbiInit2", "fbiInit3",
|
|
"hSync", "vSync", "clutData", "dacData",
|
|
"maxRgbDelta", "{hBorder}", "{vBorder}", "{borderColor}",
|
|
/* 0x240 */
|
|
"{hvRetrace}", "{fbiInit5}", "{fbiInit6}", "{fbiInit7}",
|
|
"reserved250", "reserved254", "{fbiSwapHistory}","{fbiTrianglesOut}",
|
|
"{sSetupMode}", "{sVx}", "{sVy}", "{sARGB}",
|
|
"{sRed}", "{sGreen}", "{sBlue}", "{sAlpha}",
|
|
/* 0x280 */
|
|
"{sVz}", "{sWb}", "{sWtmu0}", "{sS/Wtmu0}",
|
|
"{sT/Wtmu0}", "{sWtmu1}", "{sS/Wtmu1}", "{sT/Wtmu1}",
|
|
"{sDrawTriCMD}","{sBeginTriCMD}","reserved2a8", "reserved2ac",
|
|
"reserved2b0", "reserved2b4", "reserved2b8", "reserved2bc",
|
|
/* 0x2c0 */
|
|
"{bltSrcBaseAddr}","{bltDstBaseAddr}","{bltXYStrides}","{bltSrcChromaRange}",
|
|
"{bltDstChromaRange}","{bltClipX}","{bltClipY}","reserved2dc",
|
|
"{bltSrcXY}", "{bltDstXY}", "{bltSize}", "{bltRop}",
|
|
"{bltColor}", "reserved2f4", "{bltCommand}", "{bltData}",
|
|
/* 0x300 */
|
|
"textureMode", "tLOD", "tDetail", "texBaseAddr",
|
|
"texBaseAddr_1","texBaseAddr_2","texBaseAddr_3_8","trexInit0",
|
|
"trexInit1", "nccTable0.0", "nccTable0.1", "nccTable0.2",
|
|
"nccTable0.3", "nccTable0.4", "nccTable0.5", "nccTable0.6",
|
|
/* 0x340 */
|
|
"nccTable0.7", "nccTable0.8", "nccTable0.9", "nccTable0.A",
|
|
"nccTable0.B", "nccTable1.0", "nccTable1.1", "nccTable1.2",
|
|
"nccTable1.3", "nccTable1.4", "nccTable1.5", "nccTable1.6",
|
|
"nccTable1.7", "nccTable1.8", "nccTable1.9", "nccTable1.A",
|
|
/* 0x380 */
|
|
"nccTable1.B"
|
|
};
|
|
|
|
|
|
static const char *const banshee_reg_name[] =
|
|
{
|
|
/* 0x000 */
|
|
"status", "intrCtrl", "vertexAx", "vertexAy",
|
|
"vertexBx", "vertexBy", "vertexCx", "vertexCy",
|
|
"startR", "startG", "startB", "startZ",
|
|
"startA", "startS", "startT", "startW",
|
|
/* 0x040 */
|
|
"dRdX", "dGdX", "dBdX", "dZdX",
|
|
"dAdX", "dSdX", "dTdX", "dWdX",
|
|
"dRdY", "dGdY", "dBdY", "dZdY",
|
|
"dAdY", "dSdY", "dTdY", "dWdY",
|
|
/* 0x080 */
|
|
"triangleCMD", "reserved084", "fvertexAx", "fvertexAy",
|
|
"fvertexBx", "fvertexBy", "fvertexCx", "fvertexCy",
|
|
"fstartR", "fstartG", "fstartB", "fstartZ",
|
|
"fstartA", "fstartS", "fstartT", "fstartW",
|
|
/* 0x0c0 */
|
|
"fdRdX", "fdGdX", "fdBdX", "fdZdX",
|
|
"fdAdX", "fdSdX", "fdTdX", "fdWdX",
|
|
"fdRdY", "fdGdY", "fdBdY", "fdZdY",
|
|
"fdAdY", "fdSdY", "fdTdY", "fdWdY",
|
|
/* 0x100 */
|
|
"ftriangleCMD", "fbzColorPath", "fogMode", "alphaMode",
|
|
"fbzMode", "lfbMode", "clipLeftRight","clipLowYHighY",
|
|
"nopCMD", "fastfillCMD", "swapbufferCMD","fogColor",
|
|
"zaColor", "chromaKey", "chromaRange", "userIntrCMD",
|
|
/* 0x140 */
|
|
"stipple", "color0", "color1", "fbiPixelsIn",
|
|
"fbiChromaFail","fbiZfuncFail", "fbiAfuncFail", "fbiPixelsOut",
|
|
"fogTable160", "fogTable164", "fogTable168", "fogTable16c",
|
|
"fogTable170", "fogTable174", "fogTable178", "fogTable17c",
|
|
/* 0x180 */
|
|
"fogTable180", "fogTable184", "fogTable188", "fogTable18c",
|
|
"fogTable190", "fogTable194", "fogTable198", "fogTable19c",
|
|
"fogTable1a0", "fogTable1a4", "fogTable1a8", "fogTable1ac",
|
|
"fogTable1b0", "fogTable1b4", "fogTable1b8", "fogTable1bc",
|
|
/* 0x1c0 */
|
|
"fogTable1c0", "fogTable1c4", "fogTable1c8", "fogTable1cc",
|
|
"fogTable1d0", "fogTable1d4", "fogTable1d8", "fogTable1dc",
|
|
"reserved1e0", "reserved1e4", "reserved1e8", "colBufferAddr",
|
|
"colBufferStride","auxBufferAddr","auxBufferStride","reserved1fc",
|
|
/* 0x200 */
|
|
"clipLeftRight1","clipTopBottom1","reserved208","reserved20c",
|
|
"reserved210", "reserved214", "reserved218", "reserved21c",
|
|
"reserved220", "reserved224", "reserved228", "reserved22c",
|
|
"reserved230", "reserved234", "reserved238", "reserved23c",
|
|
/* 0x240 */
|
|
"reserved240", "reserved244", "reserved248", "swapPending",
|
|
"leftOverlayBuf","rightOverlayBuf","fbiSwapHistory","fbiTrianglesOut",
|
|
"sSetupMode", "sVx", "sVy", "sARGB",
|
|
"sRed", "sGreen", "sBlue", "sAlpha",
|
|
/* 0x280 */
|
|
"sVz", "sWb", "sWtmu0", "sS/Wtmu0",
|
|
"sT/Wtmu0", "sWtmu1", "sS/Wtmu1", "sT/Wtmu1",
|
|
"sDrawTriCMD", "sBeginTriCMD", "reserved2a8", "reserved2ac",
|
|
"reserved2b0", "reserved2b4", "reserved2b8", "reserved2bc",
|
|
/* 0x2c0 */
|
|
"reserved2c0", "reserved2c4", "reserved2c8", "reserved2cc",
|
|
"reserved2d0", "reserved2d4", "reserved2d8", "reserved2dc",
|
|
"reserved2e0", "reserved2e4", "reserved2e8", "reserved2ec",
|
|
"reserved2f0", "reserved2f4", "reserved2f8", "reserved2fc",
|
|
/* 0x300 */
|
|
"textureMode", "tLOD", "tDetail", "texBaseAddr",
|
|
"texBaseAddr_1","texBaseAddr_2","texBaseAddr_3_8","reserved31c",
|
|
"trexInit1", "nccTable0.0", "nccTable0.1", "nccTable0.2",
|
|
"nccTable0.3", "nccTable0.4", "nccTable0.5", "nccTable0.6",
|
|
/* 0x340 */
|
|
"nccTable0.7", "nccTable0.8", "nccTable0.9", "nccTable0.A",
|
|
"nccTable0.B", "nccTable1.0", "nccTable1.1", "nccTable1.2",
|
|
"nccTable1.3", "nccTable1.4", "nccTable1.5", "nccTable1.6",
|
|
"nccTable1.7", "nccTable1.8", "nccTable1.9", "nccTable1.A",
|
|
/* 0x380 */
|
|
"nccTable1.B"
|
|
};
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Voodoo Banshee I/O space registers
|
|
*
|
|
*************************************/
|
|
|
|
/* 0x000 */
|
|
#define io_status (0x000/4) /* */
|
|
#define io_pciInit0 (0x004/4) /* */
|
|
#define io_sipMonitor (0x008/4) /* */
|
|
#define io_lfbMemoryConfig (0x00c/4) /* */
|
|
#define io_miscInit0 (0x010/4) /* */
|
|
#define io_miscInit1 (0x014/4) /* */
|
|
#define io_dramInit0 (0x018/4) /* */
|
|
#define io_dramInit1 (0x01c/4) /* */
|
|
#define io_agpInit (0x020/4) /* */
|
|
#define io_tmuGbeInit (0x024/4) /* */
|
|
#define io_vgaInit0 (0x028/4) /* */
|
|
#define io_vgaInit1 (0x02c/4) /* */
|
|
#define io_dramCommand (0x030/4) /* */
|
|
#define io_dramData (0x034/4) /* */
|
|
|
|
/* 0x040 */
|
|
#define io_pllCtrl0 (0x040/4) /* */
|
|
#define io_pllCtrl1 (0x044/4) /* */
|
|
#define io_pllCtrl2 (0x048/4) /* */
|
|
#define io_dacMode (0x04c/4) /* */
|
|
#define io_dacAddr (0x050/4) /* */
|
|
#define io_dacData (0x054/4) /* */
|
|
#define io_rgbMaxDelta (0x058/4) /* */
|
|
#define io_vidProcCfg (0x05c/4) /* */
|
|
#define io_hwCurPatAddr (0x060/4) /* */
|
|
#define io_hwCurLoc (0x064/4) /* */
|
|
#define io_hwCurC0 (0x068/4) /* */
|
|
#define io_hwCurC1 (0x06c/4) /* */
|
|
#define io_vidInFormat (0x070/4) /* */
|
|
#define io_vidInStatus (0x074/4) /* */
|
|
#define io_vidSerialParallelPort (0x078/4) /* */
|
|
#define io_vidInXDecimDeltas (0x07c/4) /* */
|
|
|
|
/* 0x080 */
|
|
#define io_vidInDecimInitErrs (0x080/4) /* */
|
|
#define io_vidInYDecimDeltas (0x084/4) /* */
|
|
#define io_vidPixelBufThold (0x088/4) /* */
|
|
#define io_vidChromaMin (0x08c/4) /* */
|
|
#define io_vidChromaMax (0x090/4) /* */
|
|
#define io_vidCurrentLine (0x094/4) /* */
|
|
#define io_vidScreenSize (0x098/4) /* */
|
|
#define io_vidOverlayStartCoords (0x09c/4) /* */
|
|
#define io_vidOverlayEndScreenCoord (0x0a0/4) /* */
|
|
#define io_vidOverlayDudx (0x0a4/4) /* */
|
|
#define io_vidOverlayDudxOffsetSrcWidth (0x0a8/4) /* */
|
|
#define io_vidOverlayDvdy (0x0ac/4) /* */
|
|
#define io_vgab0 (0x0b0/4) /* */
|
|
#define io_vgab4 (0x0b4/4) /* */
|
|
#define io_vgab8 (0x0b8/4) /* */
|
|
#define io_vgabc (0x0bc/4) /* */
|
|
|
|
/* 0x0c0 */
|
|
#define io_vgac0 (0x0c0/4) /* */
|
|
#define io_vgac4 (0x0c4/4) /* */
|
|
#define io_vgac8 (0x0c8/4) /* */
|
|
#define io_vgacc (0x0cc/4) /* */
|
|
#define io_vgad0 (0x0d0/4) /* */
|
|
#define io_vgad4 (0x0d4/4) /* */
|
|
#define io_vgad8 (0x0d8/4) /* */
|
|
#define io_vgadc (0x0dc/4) /* */
|
|
#define io_vidOverlayDvdyOffset (0x0e0/4) /* */
|
|
#define io_vidDesktopStartAddr (0x0e4/4) /* */
|
|
#define io_vidDesktopOverlayStride (0x0e8/4) /* */
|
|
#define io_vidInAddr0 (0x0ec/4) /* */
|
|
#define io_vidInAddr1 (0x0f0/4) /* */
|
|
#define io_vidInAddr2 (0x0f4/4) /* */
|
|
#define io_vidInStride (0x0f8/4) /* */
|
|
#define io_vidCurrOverlayStartAddr (0x0fc/4) /* */
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Register string table for debug
|
|
*
|
|
*************************************/
|
|
|
|
static const char *const banshee_io_reg_name[] =
|
|
{
|
|
/* 0x000 */
|
|
"status", "pciInit0", "sipMonitor", "lfbMemoryConfig",
|
|
"miscInit0", "miscInit1", "dramInit0", "dramInit1",
|
|
"agpInit", "tmuGbeInit", "vgaInit0", "vgaInit1",
|
|
"dramCommand", "dramData", "reserved38", "reserved3c",
|
|
|
|
/* 0x040 */
|
|
"pllCtrl0", "pllCtrl1", "pllCtrl2", "dacMode",
|
|
"dacAddr", "dacData", "rgbMaxDelta", "vidProcCfg",
|
|
"hwCurPatAddr", "hwCurLoc", "hwCurC0", "hwCurC1",
|
|
"vidInFormat", "vidInStatus", "vidSerialParallelPort","vidInXDecimDeltas",
|
|
|
|
/* 0x080 */
|
|
"vidInDecimInitErrs","vidInYDecimDeltas","vidPixelBufThold","vidChromaMin",
|
|
"vidChromaMax", "vidCurrentLine","vidScreenSize","vidOverlayStartCoords",
|
|
"vidOverlayEndScreenCoord","vidOverlayDudx","vidOverlayDudxOffsetSrcWidth","vidOverlayDvdy",
|
|
"vga[b0]", "vga[b4]", "vga[b8]", "vga[bc]",
|
|
|
|
/* 0x0c0 */
|
|
"vga[c0]", "vga[c4]", "vga[c8]", "vga[cc]",
|
|
"vga[d0]", "vga[d4]", "vga[d8]", "vga[dc]",
|
|
"vidOverlayDvdyOffset","vidDesktopStartAddr","vidDesktopOverlayStride","vidInAddr0",
|
|
"vidInAddr1", "vidInAddr2", "vidInStride", "vidCurrOverlayStartAddr"
|
|
};
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Voodoo Banshee AGP space registers
|
|
*
|
|
*************************************/
|
|
|
|
/* 0x000 */
|
|
#define agpReqSize (0x000/4) /* */
|
|
#define agpHostAddressLow (0x004/4) /* */
|
|
#define agpHostAddressHigh (0x008/4) /* */
|
|
#define agpGraphicsAddress (0x00c/4) /* */
|
|
#define agpGraphicsStride (0x010/4) /* */
|
|
#define agpMoveCMD (0x014/4) /* */
|
|
#define cmdBaseAddr0 (0x020/4) /* */
|
|
#define cmdBaseSize0 (0x024/4) /* */
|
|
#define cmdBump0 (0x028/4) /* */
|
|
#define cmdRdPtrL0 (0x02c/4) /* */
|
|
#define cmdRdPtrH0 (0x030/4) /* */
|
|
#define cmdAMin0 (0x034/4) /* */
|
|
#define cmdAMax0 (0x03c/4) /* */
|
|
|
|
/* 0x040 */
|
|
#define cmdFifoDepth0 (0x044/4) /* */
|
|
#define cmdHoleCnt0 (0x048/4) /* */
|
|
#define cmdBaseAddr1 (0x050/4) /* */
|
|
#define cmdBaseSize1 (0x054/4) /* */
|
|
#define cmdBump1 (0x058/4) /* */
|
|
#define cmdRdPtrL1 (0x05c/4) /* */
|
|
#define cmdRdPtrH1 (0x060/4) /* */
|
|
#define cmdAMin1 (0x064/4) /* */
|
|
#define cmdAMax1 (0x06c/4) /* */
|
|
#define cmdFifoDepth1 (0x074/4) /* */
|
|
#define cmdHoleCnt1 (0x078/4) /* */
|
|
|
|
/* 0x080 */
|
|
#define cmdFifoThresh (0x080/4) /* */
|
|
#define cmdHoleInt (0x084/4) /* */
|
|
|
|
/* 0x100 */
|
|
#define yuvBaseAddress (0x100/4) /* */
|
|
#define yuvStride (0x104/4) /* */
|
|
#define crc1 (0x120/4) /* */
|
|
#define crc2 (0x130/4) /* */
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Register string table for debug
|
|
*
|
|
*************************************/
|
|
|
|
static const char *const banshee_agp_reg_name[] =
|
|
{
|
|
/* 0x000 */
|
|
"agpReqSize", "agpHostAddressLow","agpHostAddressHigh","agpGraphicsAddress",
|
|
"agpGraphicsStride","agpMoveCMD","reserved18", "reserved1c",
|
|
"cmdBaseAddr0", "cmdBaseSize0", "cmdBump0", "cmdRdPtrL0",
|
|
"cmdRdPtrH0", "cmdAMin0", "reserved38", "cmdAMax0",
|
|
|
|
/* 0x040 */
|
|
"reserved40", "cmdFifoDepth0","cmdHoleCnt0", "reserved4c",
|
|
"cmdBaseAddr1", "cmdBaseSize1", "cmdBump1", "cmdRdPtrL1",
|
|
"cmdRdPtrH1", "cmdAMin1", "reserved68", "cmdAMax1",
|
|
"reserved70", "cmdFifoDepth1","cmdHoleCnt1", "reserved7c",
|
|
|
|
/* 0x080 */
|
|
"cmdFifoThresh","cmdHoleInt", "reserved88", "reserved8c",
|
|
"reserved90", "reserved94", "reserved98", "reserved9c",
|
|
"reserveda0", "reserveda4", "reserveda8", "reservedac",
|
|
"reservedb0", "reservedb4", "reservedb8", "reservedbc",
|
|
|
|
/* 0x0c0 */
|
|
"reservedc0", "reservedc4", "reservedc8", "reservedcc",
|
|
"reservedd0", "reservedd4", "reservedd8", "reserveddc",
|
|
"reservede0", "reservede4", "reservede8", "reservedec",
|
|
"reservedf0", "reservedf4", "reservedf8", "reservedfc",
|
|
|
|
/* 0x100 */
|
|
"yuvBaseAddress","yuvStride", "reserved108", "reserved10c",
|
|
"reserved110", "reserved114", "reserved118", "reserved11c",
|
|
"crc1", "reserved124", "reserved128", "reserved12c",
|
|
"crc2", "reserved134", "reserved138", "reserved13c"
|
|
};
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Dithering tables
|
|
*
|
|
*************************************/
|
|
|
|
static const Bit8u dither_matrix_4x4[16] =
|
|
{
|
|
0, 8, 2, 10,
|
|
12, 4, 14, 6,
|
|
3, 11, 1, 9,
|
|
15, 7, 13, 5
|
|
};
|
|
|
|
static const Bit8u dither_matrix_2x2[16] =
|
|
{
|
|
2, 10, 2, 10,
|
|
14, 6, 14, 6,
|
|
2, 10, 2, 10,
|
|
14, 6, 14, 6
|
|
};
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Macros for extracting pixels
|
|
*
|
|
*************************************/
|
|
|
|
#define EXTRACT_565_TO_888(val, a, b, c) \
|
|
(a) = (((val) >> 8) & 0xf8) | (((val) >> 13) & 0x07); \
|
|
(b) = (((val) >> 3) & 0xfc) | (((val) >> 9) & 0x03); \
|
|
(c) = (((val) << 3) & 0xf8) | (((val) >> 2) & 0x07); \
|
|
|
|
#define EXTRACT_x555_TO_888(val, a, b, c) \
|
|
(a) = (((val) >> 7) & 0xf8) | (((val) >> 12) & 0x07); \
|
|
(b) = (((val) >> 2) & 0xf8) | (((val) >> 7) & 0x07); \
|
|
(c) = (((val) << 3) & 0xf8) | (((val) >> 2) & 0x07); \
|
|
|
|
#define EXTRACT_555x_TO_888(val, a, b, c) \
|
|
(a) = (((val) >> 8) & 0xf8) | (((val) >> 13) & 0x07); \
|
|
(b) = (((val) >> 3) & 0xf8) | (((val) >> 8) & 0x07); \
|
|
(c) = (((val) << 2) & 0xf8) | (((val) >> 3) & 0x07); \
|
|
|
|
#define EXTRACT_1555_TO_8888(val, a, b, c, d) \
|
|
(a) = ((Bit16s)(val) >> 15) & 0xff; \
|
|
EXTRACT_x555_TO_888(val, b, c, d) \
|
|
|
|
#define EXTRACT_5551_TO_8888(val, a, b, c, d) \
|
|
EXTRACT_555x_TO_888(val, a, b, c) \
|
|
(d) = ((val) & 0x0001) ? 0xff : 0x00; \
|
|
|
|
#define EXTRACT_x888_TO_888(val, a, b, c) \
|
|
(a) = ((val) >> 16) & 0xff; \
|
|
(b) = ((val) >> 8) & 0xff; \
|
|
(c) = ((val) >> 0) & 0xff; \
|
|
|
|
#define EXTRACT_888x_TO_888(val, a, b, c) \
|
|
(a) = ((val) >> 24) & 0xff; \
|
|
(b) = ((val) >> 16) & 0xff; \
|
|
(c) = ((val) >> 8) & 0xff; \
|
|
|
|
#define EXTRACT_8888_TO_8888(val, a, b, c, d) \
|
|
(a) = ((val) >> 24) & 0xff; \
|
|
(b) = ((val) >> 16) & 0xff; \
|
|
(c) = ((val) >> 8) & 0xff; \
|
|
(d) = ((val) >> 0) & 0xff; \
|
|
|
|
#define EXTRACT_4444_TO_8888(val, a, b, c, d) \
|
|
(a) = (((val) >> 8) & 0xf0) | (((val) >> 12) & 0x0f); \
|
|
(b) = (((val) >> 4) & 0xf0) | (((val) >> 8) & 0x0f); \
|
|
(c) = (((val) >> 0) & 0xf0) | (((val) >> 4) & 0x0f); \
|
|
(d) = (((val) << 4) & 0xf0) | (((val) >> 0) & 0x0f); \
|
|
|
|
#define EXTRACT_332_TO_888(val, a, b, c) \
|
|
(a) = (((val) >> 0) & 0xe0) | (((val) >> 3) & 0x1c) | (((val) >> 6) & 0x03); \
|
|
(b) = (((val) << 3) & 0xe0) | (((val) >> 0) & 0x1c) | (((val) >> 3) & 0x03); \
|
|
(c) = (((val) << 6) & 0xc0) | (((val) << 4) & 0x30) | (((val) << 2) & 0xc0) | (((val) << 0) & 0x03); \
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Misc. macros
|
|
*
|
|
*************************************/
|
|
|
|
/* macro for clamping a value between minimum and maximum values */
|
|
#define CLAMP(val,min,max) do { if ((val) < (min)) { (val) = (min); } else if ((val) > (max)) { (val) = (max); } } while (0)
|
|
|
|
/* macro to compute the base 2 log for LOD calculations */
|
|
#define LOGB2(x) (log((double)(x)) / log(2.0))
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Macros for extracting bitfields
|
|
*
|
|
*************************************/
|
|
|
|
#define INITEN_ENABLE_HW_INIT(val) (((val) >> 0) & 1)
|
|
#define INITEN_ENABLE_PCI_FIFO(val) (((val) >> 1) & 1)
|
|
#define INITEN_REMAP_INIT_TO_DAC(val) (((val) >> 2) & 1)
|
|
#define INITEN_ENABLE_SNOOP0(val) (((val) >> 4) & 1)
|
|
#define INITEN_SNOOP0_MEMORY_MATCH(val) (((val) >> 5) & 1)
|
|
#define INITEN_SNOOP0_READWRITE_MATCH(val) (((val) >> 6) & 1)
|
|
#define INITEN_ENABLE_SNOOP1(val) (((val) >> 7) & 1)
|
|
#define INITEN_SNOOP1_MEMORY_MATCH(val) (((val) >> 8) & 1)
|
|
#define INITEN_SNOOP1_READWRITE_MATCH(val) (((val) >> 9) & 1)
|
|
#define INITEN_SLI_BUS_OWNER(val) (((val) >> 10) & 1)
|
|
#define INITEN_SLI_ODD_EVEN(val) (((val) >> 11) & 1)
|
|
#define INITEN_SECONDARY_REV_ID(val) (((val) >> 12) & 0xf) /* voodoo 2 only */
|
|
#define INITEN_MFCTR_FAB_ID(val) (((val) >> 16) & 0xf) /* voodoo 2 only */
|
|
#define INITEN_ENABLE_PCI_INTERRUPT(val) (((val) >> 20) & 1) /* voodoo 2 only */
|
|
#define INITEN_PCI_INTERRUPT_TIMEOUT(val) (((val) >> 21) & 1) /* voodoo 2 only */
|
|
#define INITEN_ENABLE_NAND_TREE_TEST(val) (((val) >> 22) & 1) /* voodoo 2 only */
|
|
#define INITEN_ENABLE_SLI_ADDRESS_SNOOP(val) (((val) >> 23) & 1) /* voodoo 2 only */
|
|
#define INITEN_SLI_SNOOP_ADDRESS(val) (((val) >> 24) & 0xff) /* voodoo 2 only */
|
|
|
|
#define FBZCP_CC_RGBSELECT(val) (((val) >> 0) & 3)
|
|
#define FBZCP_CC_ASELECT(val) (((val) >> 2) & 3)
|
|
#define FBZCP_CC_LOCALSELECT(val) (((val) >> 4) & 1)
|
|
#define FBZCP_CCA_LOCALSELECT(val) (((val) >> 5) & 3)
|
|
#define FBZCP_CC_LOCALSELECT_OVERRIDE(val) (((val) >> 7) & 1)
|
|
#define FBZCP_CC_ZERO_OTHER(val) (((val) >> 8) & 1)
|
|
#define FBZCP_CC_SUB_CLOCAL(val) (((val) >> 9) & 1)
|
|
#define FBZCP_CC_MSELECT(val) (((val) >> 10) & 7)
|
|
#define FBZCP_CC_REVERSE_BLEND(val) (((val) >> 13) & 1)
|
|
#define FBZCP_CC_ADD_ACLOCAL(val) (((val) >> 14) & 3)
|
|
#define FBZCP_CC_INVERT_OUTPUT(val) (((val) >> 16) & 1)
|
|
#define FBZCP_CCA_ZERO_OTHER(val) (((val) >> 17) & 1)
|
|
#define FBZCP_CCA_SUB_CLOCAL(val) (((val) >> 18) & 1)
|
|
#define FBZCP_CCA_MSELECT(val) (((val) >> 19) & 7)
|
|
#define FBZCP_CCA_REVERSE_BLEND(val) (((val) >> 22) & 1)
|
|
#define FBZCP_CCA_ADD_ACLOCAL(val) (((val) >> 23) & 3)
|
|
#define FBZCP_CCA_INVERT_OUTPUT(val) (((val) >> 25) & 1)
|
|
#define FBZCP_CCA_SUBPIXEL_ADJUST(val) (((val) >> 26) & 1)
|
|
#define FBZCP_TEXTURE_ENABLE(val) (((val) >> 27) & 1)
|
|
#define FBZCP_RGBZW_CLAMP(val) (((val) >> 28) & 1) /* voodoo 2 only */
|
|
#define FBZCP_ANTI_ALIAS(val) (((val) >> 29) & 1) /* voodoo 2 only */
|
|
|
|
#define ALPHAMODE_ALPHATEST(val) (((val) >> 0) & 1)
|
|
#define ALPHAMODE_ALPHAFUNCTION(val) (((val) >> 1) & 7)
|
|
#define ALPHAMODE_ALPHABLEND(val) (((val) >> 4) & 1)
|
|
#define ALPHAMODE_ANTIALIAS(val) (((val) >> 5) & 1)
|
|
#define ALPHAMODE_SRCRGBBLEND(val) (((val) >> 8) & 15)
|
|
#define ALPHAMODE_DSTRGBBLEND(val) (((val) >> 12) & 15)
|
|
#define ALPHAMODE_SRCALPHABLEND(val) (((val) >> 16) & 15)
|
|
#define ALPHAMODE_DSTALPHABLEND(val) (((val) >> 20) & 15)
|
|
#define ALPHAMODE_ALPHAREF(val) (((val) >> 24) & 0xff)
|
|
|
|
#define FOGMODE_ENABLE_FOG(val) (((val) >> 0) & 1)
|
|
#define FOGMODE_FOG_ADD(val) (((val) >> 1) & 1)
|
|
#define FOGMODE_FOG_MULT(val) (((val) >> 2) & 1)
|
|
#define FOGMODE_FOG_ZALPHA(val) (((val) >> 3) & 3)
|
|
#define FOGMODE_FOG_CONSTANT(val) (((val) >> 5) & 1)
|
|
#define FOGMODE_FOG_DITHER(val) (((val) >> 6) & 1) /* voodoo 2 only */
|
|
#define FOGMODE_FOG_ZONES(val) (((val) >> 7) & 1) /* voodoo 2 only */
|
|
|
|
#define FBZMODE_ENABLE_CLIPPING(val) (((val) >> 0) & 1)
|
|
#define FBZMODE_ENABLE_CHROMAKEY(val) (((val) >> 1) & 1)
|
|
#define FBZMODE_ENABLE_STIPPLE(val) (((val) >> 2) & 1)
|
|
#define FBZMODE_WBUFFER_SELECT(val) (((val) >> 3) & 1)
|
|
#define FBZMODE_ENABLE_DEPTHBUF(val) (((val) >> 4) & 1)
|
|
#define FBZMODE_DEPTH_FUNCTION(val) (((val) >> 5) & 7)
|
|
#define FBZMODE_ENABLE_DITHERING(val) (((val) >> 8) & 1)
|
|
#define FBZMODE_RGB_BUFFER_MASK(val) (((val) >> 9) & 1)
|
|
#define FBZMODE_AUX_BUFFER_MASK(val) (((val) >> 10) & 1)
|
|
#define FBZMODE_DITHER_TYPE(val) (((val) >> 11) & 1)
|
|
#define FBZMODE_STIPPLE_PATTERN(val) (((val) >> 12) & 1)
|
|
#define FBZMODE_ENABLE_ALPHA_MASK(val) (((val) >> 13) & 1)
|
|
#define FBZMODE_DRAW_BUFFER(val) (((val) >> 14) & 3)
|
|
#define FBZMODE_ENABLE_DEPTH_BIAS(val) (((val) >> 16) & 1)
|
|
#define FBZMODE_Y_ORIGIN(val) (((val) >> 17) & 1)
|
|
#define FBZMODE_ENABLE_ALPHA_PLANES(val) (((val) >> 18) & 1)
|
|
#define FBZMODE_ALPHA_DITHER_SUBTRACT(val) (((val) >> 19) & 1)
|
|
#define FBZMODE_DEPTH_SOURCE_COMPARE(val) (((val) >> 20) & 1)
|
|
#define FBZMODE_DEPTH_FLOAT_SELECT(val) (((val) >> 21) & 1) /* voodoo 2 only */
|
|
|
|
#define LFBMODE_WRITE_FORMAT(val) (((val) >> 0) & 0xf)
|
|
#define LFBMODE_WRITE_BUFFER_SELECT(val) (((val) >> 4) & 3)
|
|
#define LFBMODE_READ_BUFFER_SELECT(val) (((val) >> 6) & 3)
|
|
#define LFBMODE_ENABLE_PIXEL_PIPELINE(val) (((val) >> 8) & 1)
|
|
#define LFBMODE_RGBA_LANES(val) (((val) >> 9) & 3)
|
|
#define LFBMODE_WORD_SWAP_WRITES(val) (((val) >> 11) & 1)
|
|
#define LFBMODE_BYTE_SWIZZLE_WRITES(val) (((val) >> 12) & 1)
|
|
#define LFBMODE_Y_ORIGIN(val) (((val) >> 13) & 1)
|
|
#define LFBMODE_WRITE_W_SELECT(val) (((val) >> 14) & 1)
|
|
#define LFBMODE_WORD_SWAP_READS(val) (((val) >> 15) & 1)
|
|
#define LFBMODE_BYTE_SWIZZLE_READS(val) (((val) >> 16) & 1)
|
|
|
|
#define CHROMARANGE_BLUE_EXCLUSIVE(val) (((val) >> 24) & 1)
|
|
#define CHROMARANGE_GREEN_EXCLUSIVE(val) (((val) >> 25) & 1)
|
|
#define CHROMARANGE_RED_EXCLUSIVE(val) (((val) >> 26) & 1)
|
|
#define CHROMARANGE_UNION_MODE(val) (((val) >> 27) & 1)
|
|
#define CHROMARANGE_ENABLE(val) (((val) >> 28) & 1)
|
|
|
|
#define FBIINIT0_VGA_PASSTHRU(val) (((val) >> 0) & 1)
|
|
#define FBIINIT0_GRAPHICS_RESET(val) (((val) >> 1) & 1)
|
|
#define FBIINIT0_FIFO_RESET(val) (((val) >> 2) & 1)
|
|
#define FBIINIT0_SWIZZLE_REG_WRITES(val) (((val) >> 3) & 1)
|
|
#define FBIINIT0_STALL_PCIE_FOR_HWM(val) (((val) >> 4) & 1)
|
|
#define FBIINIT0_PCI_FIFO_LWM(val) (((val) >> 6) & 0x1f)
|
|
#define FBIINIT0_LFB_TO_MEMORY_FIFO(val) (((val) >> 11) & 1)
|
|
#define FBIINIT0_TEXMEM_TO_MEMORY_FIFO(val) (((val) >> 12) & 1)
|
|
#define FBIINIT0_ENABLE_MEMORY_FIFO(val) (((val) >> 13) & 1)
|
|
#define FBIINIT0_MEMORY_FIFO_HWM(val) (((val) >> 14) & 0x7ff)
|
|
#define FBIINIT0_MEMORY_FIFO_BURST(val) (((val) >> 25) & 0x3f)
|
|
|
|
#define FBIINIT1_PCI_DEV_FUNCTION(val) (((val) >> 0) & 1)
|
|
#define FBIINIT1_PCI_WRITE_WAIT_STATES(val) (((val) >> 1) & 1)
|
|
#define FBIINIT1_MULTI_SST1(val) (((val) >> 2) & 1) /* not on voodoo 2 */
|
|
#define FBIINIT1_ENABLE_LFB(val) (((val) >> 3) & 1)
|
|
#define FBIINIT1_X_VIDEO_TILES(val) (((val) >> 4) & 0xf)
|
|
#define FBIINIT1_VIDEO_TIMING_RESET(val) (((val) >> 8) & 1)
|
|
#define FBIINIT1_SOFTWARE_OVERRIDE(val) (((val) >> 9) & 1)
|
|
#define FBIINIT1_SOFTWARE_HSYNC(val) (((val) >> 10) & 1)
|
|
#define FBIINIT1_SOFTWARE_VSYNC(val) (((val) >> 11) & 1)
|
|
#define FBIINIT1_SOFTWARE_BLANK(val) (((val) >> 12) & 1)
|
|
#define FBIINIT1_DRIVE_VIDEO_TIMING(val) (((val) >> 13) & 1)
|
|
#define FBIINIT1_DRIVE_VIDEO_BLANK(val) (((val) >> 14) & 1)
|
|
#define FBIINIT1_DRIVE_VIDEO_SYNC(val) (((val) >> 15) & 1)
|
|
#define FBIINIT1_DRIVE_VIDEO_DCLK(val) (((val) >> 16) & 1)
|
|
#define FBIINIT1_VIDEO_TIMING_VCLK(val) (((val) >> 17) & 1)
|
|
#define FBIINIT1_VIDEO_CLK_2X_DELAY(val) (((val) >> 18) & 3)
|
|
#define FBIINIT1_VIDEO_TIMING_SOURCE(val) (((val) >> 20) & 3)
|
|
#define FBIINIT1_ENABLE_24BPP_OUTPUT(val) (((val) >> 22) & 1)
|
|
#define FBIINIT1_ENABLE_SLI(val) (((val) >> 23) & 1)
|
|
#define FBIINIT1_X_VIDEO_TILES_BIT5(val) (((val) >> 24) & 1) /* voodoo 2 only */
|
|
#define FBIINIT1_ENABLE_EDGE_FILTER(val) (((val) >> 25) & 1)
|
|
#define FBIINIT1_INVERT_VID_CLK_2X(val) (((val) >> 26) & 1)
|
|
#define FBIINIT1_VID_CLK_2X_SEL_DELAY(val) (((val) >> 27) & 3)
|
|
#define FBIINIT1_VID_CLK_DELAY(val) (((val) >> 29) & 3)
|
|
#define FBIINIT1_DISABLE_FAST_READAHEAD(val) (((val) >> 31) & 1)
|
|
|
|
#define FBIINIT2_DISABLE_DITHER_SUB(val) (((val) >> 0) & 1)
|
|
#define FBIINIT2_DRAM_BANKING(val) (((val) >> 1) & 1)
|
|
#define FBIINIT2_ENABLE_TRIPLE_BUF(val) (((val) >> 4) & 1)
|
|
#define FBIINIT2_ENABLE_FAST_RAS_READ(val) (((val) >> 5) & 1)
|
|
#define FBIINIT2_ENABLE_GEN_DRAM_OE(val) (((val) >> 6) & 1)
|
|
#define FBIINIT2_ENABLE_FAST_READWRITE(val) (((val) >> 7) & 1)
|
|
#define FBIINIT2_ENABLE_PASSTHRU_DITHER(val) (((val) >> 8) & 1)
|
|
#define FBIINIT2_SWAP_BUFFER_ALGORITHM(val) (((val) >> 9) & 3)
|
|
#define FBIINIT2_VIDEO_BUFFER_OFFSET(val) (((val) >> 11) & 0x1ff)
|
|
#define FBIINIT2_ENABLE_DRAM_BANKING(val) (((val) >> 20) & 1)
|
|
#define FBIINIT2_ENABLE_DRAM_READ_FIFO(val) (((val) >> 21) & 1)
|
|
#define FBIINIT2_ENABLE_DRAM_REFRESH(val) (((val) >> 22) & 1)
|
|
#define FBIINIT2_REFRESH_LOAD_VALUE(val) (((val) >> 23) & 0x1ff)
|
|
|
|
#define FBIINIT3_TRI_REGISTER_REMAP(val) (((val) >> 0) & 1)
|
|
#define FBIINIT3_VIDEO_FIFO_THRESH(val) (((val) >> 1) & 0x1f)
|
|
#define FBIINIT3_DISABLE_TMUS(val) (((val) >> 6) & 1)
|
|
#define FBIINIT3_FBI_MEMORY_TYPE(val) (((val) >> 8) & 7)
|
|
#define FBIINIT3_VGA_PASS_RESET_VAL(val) (((val) >> 11) & 1)
|
|
#define FBIINIT3_HARDCODE_PCI_BASE(val) (((val) >> 12) & 1)
|
|
#define FBIINIT3_FBI2TREX_DELAY(val) (((val) >> 13) & 0xf)
|
|
#define FBIINIT3_TREX2FBI_DELAY(val) (((val) >> 17) & 0x1f)
|
|
#define FBIINIT3_YORIGIN_SUBTRACT(val) (((val) >> 22) & 0x3ff)
|
|
|
|
#define FBIINIT4_PCI_READ_WAITS(val) (((val) >> 0) & 1)
|
|
#define FBIINIT4_ENABLE_LFB_READAHEAD(val) (((val) >> 1) & 1)
|
|
#define FBIINIT4_MEMORY_FIFO_LWM(val) (((val) >> 2) & 0x3f)
|
|
#define FBIINIT4_MEMORY_FIFO_START_ROW(val) (((val) >> 8) & 0x3ff)
|
|
#define FBIINIT4_MEMORY_FIFO_STOP_ROW(val) (((val) >> 18) & 0x3ff)
|
|
#define FBIINIT4_VIDEO_CLOCKING_DELAY(val) (((val) >> 29) & 7) /* voodoo 2 only */
|
|
|
|
#define FBIINIT5_DISABLE_PCI_STOP(val) (((val) >> 0) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_PCI_SLAVE_SPEED(val) (((val) >> 1) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DAC_DATA_OUTPUT_WIDTH(val) (((val) >> 2) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DAC_DATA_17_OUTPUT(val) (((val) >> 3) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DAC_DATA_18_OUTPUT(val) (((val) >> 4) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_GENERIC_STRAPPING(val) (((val) >> 5) & 0xf) /* voodoo 2 only */
|
|
#define FBIINIT5_BUFFER_ALLOCATION(val) (((val) >> 9) & 3) /* voodoo 2 only */
|
|
#define FBIINIT5_DRIVE_VID_CLK_SLAVE(val) (((val) >> 11) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DRIVE_DAC_DATA_16(val) (((val) >> 12) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_VCLK_INPUT_SELECT(val) (((val) >> 13) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_MULTI_CVG_DETECT(val) (((val) >> 14) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_SYNC_RETRACE_READS(val) (((val) >> 15) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_RHBORDER_COLOR(val) (((val) >> 16) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_LHBORDER_COLOR(val) (((val) >> 17) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_BVBORDER_COLOR(val) (((val) >> 18) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_TVBORDER_COLOR(val) (((val) >> 19) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DOUBLE_HORIZ(val) (((val) >> 20) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DOUBLE_VERT(val) (((val) >> 21) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_16BIT_GAMMA(val) (((val) >> 22) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_INVERT_DAC_HSYNC(val) (((val) >> 23) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_INVERT_DAC_VSYNC(val) (((val) >> 24) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_24BIT_DACDATA(val) (((val) >> 25) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_ENABLE_INTERLACING(val) (((val) >> 26) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_DAC_DATA_18_CONTROL(val) (((val) >> 27) & 1) /* voodoo 2 only */
|
|
#define FBIINIT5_RASTERIZER_UNIT_MODE(val) (((val) >> 30) & 3) /* voodoo 2 only */
|
|
|
|
#define FBIINIT6_WINDOW_ACTIVE_COUNTER(val) (((val) >> 0) & 7) /* voodoo 2 only */
|
|
#define FBIINIT6_WINDOW_DRAG_COUNTER(val) (((val) >> 3) & 0x1f) /* voodoo 2 only */
|
|
#define FBIINIT6_SLI_SYNC_MASTER(val) (((val) >> 8) & 1) /* voodoo 2 only */
|
|
#define FBIINIT6_DAC_DATA_22_OUTPUT(val) (((val) >> 9) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_DAC_DATA_23_OUTPUT(val) (((val) >> 11) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_SLI_SYNCIN_OUTPUT(val) (((val) >> 13) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_SLI_SYNCOUT_OUTPUT(val) (((val) >> 15) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_DAC_RD_OUTPUT(val) (((val) >> 17) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_DAC_WR_OUTPUT(val) (((val) >> 19) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_PCI_FIFO_LWM_RDY(val) (((val) >> 21) & 0x7f) /* voodoo 2 only */
|
|
#define FBIINIT6_VGA_PASS_N_OUTPUT(val) (((val) >> 28) & 3) /* voodoo 2 only */
|
|
#define FBIINIT6_X_VIDEO_TILES_BIT0(val) (((val) >> 30) & 1) /* voodoo 2 only */
|
|
|
|
#define FBIINIT7_GENERIC_STRAPPING(val) (((val) >> 0) & 0xff) /* voodoo 2 only */
|
|
#define FBIINIT7_CMDFIFO_ENABLE(val) (((val) >> 8) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_CMDFIFO_MEMORY_STORE(val) (((val) >> 9) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_DISABLE_CMDFIFO_HOLES(val) (((val) >> 10) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_CMDFIFO_READ_THRESH(val) (((val) >> 11) & 0x1f) /* voodoo 2 only */
|
|
#define FBIINIT7_SYNC_CMDFIFO_WRITES(val) (((val) >> 16) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_SYNC_CMDFIFO_READS(val) (((val) >> 17) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_RESET_PCI_PACKER(val) (((val) >> 18) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_ENABLE_CHROMA_STUFF(val) (((val) >> 19) & 1) /* voodoo 2 only */
|
|
#define FBIINIT7_CMDFIFO_PCI_TIMEOUT(val) (((val) >> 20) & 0x7f) /* voodoo 2 only */
|
|
#define FBIINIT7_ENABLE_TEXTURE_BURST(val) (((val) >> 27) & 1) /* voodoo 2 only */
|
|
|
|
#define TEXMODE_ENABLE_PERSPECTIVE(val) (((val) >> 0) & 1)
|
|
#define TEXMODE_MINIFICATION_FILTER(val) (((val) >> 1) & 1)
|
|
#define TEXMODE_MAGNIFICATION_FILTER(val) (((val) >> 2) & 1)
|
|
#define TEXMODE_CLAMP_NEG_W(val) (((val) >> 3) & 1)
|
|
#define TEXMODE_ENABLE_LOD_DITHER(val) (((val) >> 4) & 1)
|
|
#define TEXMODE_NCC_TABLE_SELECT(val) (((val) >> 5) & 1)
|
|
#define TEXMODE_CLAMP_S(val) (((val) >> 6) & 1)
|
|
#define TEXMODE_CLAMP_T(val) (((val) >> 7) & 1)
|
|
#define TEXMODE_FORMAT(val) (((val) >> 8) & 0xf)
|
|
#define TEXMODE_TC_ZERO_OTHER(val) (((val) >> 12) & 1)
|
|
#define TEXMODE_TC_SUB_CLOCAL(val) (((val) >> 13) & 1)
|
|
#define TEXMODE_TC_MSELECT(val) (((val) >> 14) & 7)
|
|
#define TEXMODE_TC_REVERSE_BLEND(val) (((val) >> 17) & 1)
|
|
#define TEXMODE_TC_ADD_ACLOCAL(val) (((val) >> 18) & 3)
|
|
#define TEXMODE_TC_INVERT_OUTPUT(val) (((val) >> 20) & 1)
|
|
#define TEXMODE_TCA_ZERO_OTHER(val) (((val) >> 21) & 1)
|
|
#define TEXMODE_TCA_SUB_CLOCAL(val) (((val) >> 22) & 1)
|
|
#define TEXMODE_TCA_MSELECT(val) (((val) >> 23) & 7)
|
|
#define TEXMODE_TCA_REVERSE_BLEND(val) (((val) >> 26) & 1)
|
|
#define TEXMODE_TCA_ADD_ACLOCAL(val) (((val) >> 27) & 3)
|
|
#define TEXMODE_TCA_INVERT_OUTPUT(val) (((val) >> 29) & 1)
|
|
#define TEXMODE_TRILINEAR(val) (((val) >> 30) & 1)
|
|
#define TEXMODE_SEQ_8_DOWNLD(val) (((val) >> 31) & 1)
|
|
|
|
#define TEXLOD_LODMIN(val) (((val) >> 0) & 0x3f)
|
|
#define TEXLOD_LODMAX(val) (((val) >> 6) & 0x3f)
|
|
#define TEXLOD_LODBIAS(val) (((val) >> 12) & 0x3f)
|
|
#define TEXLOD_LOD_ODD(val) (((val) >> 18) & 1)
|
|
#define TEXLOD_LOD_TSPLIT(val) (((val) >> 19) & 1)
|
|
#define TEXLOD_LOD_S_IS_WIDER(val) (((val) >> 20) & 1)
|
|
#define TEXLOD_LOD_ASPECT(val) (((val) >> 21) & 3)
|
|
#define TEXLOD_LOD_ZEROFRAC(val) (((val) >> 23) & 1)
|
|
#define TEXLOD_TMULTIBASEADDR(val) (((val) >> 24) & 1)
|
|
#define TEXLOD_TDATA_SWIZZLE(val) (((val) >> 25) & 1)
|
|
#define TEXLOD_TDATA_SWAP(val) (((val) >> 26) & 1)
|
|
#define TEXLOD_TDIRECT_WRITE(val) (((val) >> 27) & 1) /* Voodoo 2 only */
|
|
|
|
#define TEXDETAIL_DETAIL_MAX(val) (((val) >> 0) & 0xff)
|
|
#define TEXDETAIL_DETAIL_BIAS(val) (((val) >> 8) & 0x3f)
|
|
#define TEXDETAIL_DETAIL_SCALE(val) (((val) >> 14) & 7)
|
|
#define TEXDETAIL_RGB_MIN_FILTER(val) (((val) >> 17) & 1) /* Voodoo 2 only */
|
|
#define TEXDETAIL_RGB_MAG_FILTER(val) (((val) >> 18) & 1) /* Voodoo 2 only */
|
|
#define TEXDETAIL_ALPHA_MIN_FILTER(val) (((val) >> 19) & 1) /* Voodoo 2 only */
|
|
#define TEXDETAIL_ALPHA_MAG_FILTER(val) (((val) >> 20) & 1) /* Voodoo 2 only */
|
|
#define TEXDETAIL_SEPARATE_RGBA_FILTER(val) (((val) >> 21) & 1) /* Voodoo 2 only */
|
|
|
|
#define TREXINIT_SEND_TMU_CONFIG(val) (((val) >> 18) & 1)
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Core types
|
|
*
|
|
*************************************/
|
|
|
|
typedef struct _voodoo_state voodoo_state;
|
|
typedef struct _poly_extra_data poly_extra_data;
|
|
|
|
typedef Bit32u rgb_t;
|
|
|
|
typedef struct _rgba rgba;
|
|
#define LSB_FIRST
|
|
struct _rgba
|
|
{
|
|
#ifdef LSB_FIRST
|
|
Bit8u b, g, r, a;
|
|
#else
|
|
Bit8u a, r, g, b;
|
|
#endif
|
|
};
|
|
|
|
|
|
typedef union _voodoo_reg voodoo_reg;
|
|
union _voodoo_reg
|
|
{
|
|
Bit32s i;
|
|
Bit32u u;
|
|
float f;
|
|
rgba rgb;
|
|
};
|
|
|
|
|
|
typedef voodoo_reg rgb_union;
|
|
|
|
|
|
typedef struct _voodoo_stats voodoo_stats;
|
|
struct _voodoo_stats
|
|
{
|
|
Bit8u lastkey; /* last key state */
|
|
Bit8u display; /* display stats? */
|
|
Bit32s swaps; /* total swaps */
|
|
Bit32s stalls; /* total stalls */
|
|
Bit32s total_triangles; /* total triangles */
|
|
Bit32s total_pixels_in; /* total pixels in */
|
|
Bit32s total_pixels_out; /* total pixels out */
|
|
Bit32s total_chroma_fail; /* total chroma fail */
|
|
Bit32s total_zfunc_fail; /* total z func fail */
|
|
Bit32s total_afunc_fail; /* total a func fail */
|
|
Bit32s total_clipped; /* total clipped */
|
|
Bit32s total_stippled; /* total stippled */
|
|
Bit32s lfb_writes; /* LFB writes */
|
|
Bit32s lfb_reads; /* LFB reads */
|
|
Bit32s reg_writes; /* register writes */
|
|
Bit32s reg_reads; /* register reads */
|
|
Bit32s tex_writes; /* texture writes */
|
|
Bit32s texture_mode[16]; /* 16 different texture modes */
|
|
Bit8u render_override; /* render override */
|
|
char buffer[1024]; /* string */
|
|
};
|
|
|
|
|
|
/* note that this structure is an even 64 bytes long */
|
|
typedef struct _stats_block stats_block;
|
|
struct _stats_block
|
|
{
|
|
Bit32s pixels_in; /* pixels in statistic */
|
|
Bit32s pixels_out; /* pixels out statistic */
|
|
Bit32s chroma_fail; /* chroma test fail statistic */
|
|
Bit32s zfunc_fail; /* z function test fail statistic */
|
|
Bit32s afunc_fail; /* alpha function test fail statistic */
|
|
Bit32s clip_fail; /* clipping fail statistic */
|
|
Bit32s stipple_count; /* stipple statistic */
|
|
Bit32s filler[64/4 - 7]; /* pad this structure to 64 bytes */
|
|
};
|
|
|
|
|
|
typedef struct _fifo_state fifo_state;
|
|
struct _fifo_state
|
|
{
|
|
Bit32u* base; /* base of the FIFO */
|
|
Bit32s size; /* size of the FIFO */
|
|
Bit32s in; /* input pointer */
|
|
Bit32s out; /* output pointer */
|
|
};
|
|
|
|
|
|
typedef struct _cmdfifo_info cmdfifo_info;
|
|
struct _cmdfifo_info
|
|
{
|
|
Bit8u enable; /* enabled? */
|
|
Bit8u count_holes; /* count holes? */
|
|
Bit32u base; /* base address in framebuffer RAM */
|
|
Bit32u end; /* end address in framebuffer RAM */
|
|
Bit32u rdptr; /* current read pointer */
|
|
Bit32u amin; /* minimum address */
|
|
Bit32u amax; /* maximum address */
|
|
Bit32u depth; /* current depth */
|
|
Bit32u holes; /* number of holes */
|
|
};
|
|
|
|
|
|
typedef struct _pci_state pci_state;
|
|
struct _pci_state
|
|
{
|
|
fifo_state fifo; /* PCI FIFO */
|
|
Bit32u init_enable; /* initEnable value */
|
|
Bit8u stall_state; /* state of the system if we're stalled */
|
|
// voodoo_stall_func stall_callback; /* callback for stalling/unstalling */
|
|
Bit8u op_pending; /* true if an operation is pending */
|
|
// attotime op_end_time; /* time when the pending operation ends */
|
|
// emu_timer* continue_timer; /* timer to use to continue processing */
|
|
Bit32u fifo_mem[64*2]; /* memory backing the PCI FIFO */
|
|
};
|
|
|
|
|
|
typedef struct _ncc_table ncc_table;
|
|
struct _ncc_table
|
|
{
|
|
bx_bool dirty; /* is the texel lookup dirty? */
|
|
voodoo_reg* reg; /* pointer to our registers */
|
|
Bit32s ir[4], ig[4], ib[4]; /* I values for R,G,B */
|
|
Bit32s qr[4], qg[4], qb[4]; /* Q values for R,G,B */
|
|
Bit32s y[16]; /* Y values */
|
|
rgb_t * palette; /* pointer to associated RGB palette */
|
|
rgb_t * palettea; /* pointer to associated ARGB palette */
|
|
rgb_t texel[256]; /* texel lookup */
|
|
};
|
|
|
|
|
|
typedef struct _tmu_state tmu_state;
|
|
struct _tmu_state
|
|
{
|
|
Bit8u* ram; /* pointer to our RAM */
|
|
Bit32u mask; /* mask to apply to pointers */
|
|
voodoo_reg* reg; /* pointer to our register base */
|
|
bx_bool regdirty; /* true if the LOD/mode/base registers have changed */
|
|
|
|
Bit32u texaddr_mask; /* mask for texture address */
|
|
Bit8u texaddr_shift; /* shift for texture address */
|
|
|
|
Bit64s starts, startt; /* starting S,T (14.18) */
|
|
Bit64s startw; /* starting W (2.30) */
|
|
Bit64s dsdx, dtdx; /* delta S,T per X */
|
|
Bit64s dwdx; /* delta W per X */
|
|
Bit64s dsdy, dtdy; /* delta S,T per Y */
|
|
Bit64s dwdy; /* delta W per Y */
|
|
|
|
Bit32s lodmin, lodmax; /* min, max LOD values */
|
|
Bit32s lodbias; /* LOD bias */
|
|
Bit32u lodmask; /* mask of available LODs */
|
|
Bit32u lodoffset[9]; /* offset of texture base for each LOD */
|
|
Bit32s detailmax; /* detail clamp */
|
|
Bit32s detailbias; /* detail bias */
|
|
Bit8u detailscale; /* detail scale */
|
|
|
|
Bit32u wmask; /* mask for the current texture width */
|
|
Bit32u hmask; /* mask for the current texture height */
|
|
|
|
Bit32u bilinear_mask; /* mask for bilinear resolution (0xf0 for V1, 0xff for V2) */
|
|
|
|
ncc_table ncc[2]; /* two NCC tables */
|
|
|
|
rgb_t * lookup; /* currently selected lookup */
|
|
rgb_t * texel[16]; /* texel lookups for each format */
|
|
|
|
rgb_t palette[256]; /* palette lookup table */
|
|
rgb_t palettea[256]; /* palette+alpha lookup table */
|
|
};
|
|
|
|
|
|
typedef struct _tmu_shared_state tmu_shared_state;
|
|
struct _tmu_shared_state
|
|
{
|
|
rgb_t rgb332[256]; /* RGB 3-3-2 lookup table */
|
|
rgb_t alpha8[256]; /* alpha 8-bit lookup table */
|
|
rgb_t int8[256]; /* intensity 8-bit lookup table */
|
|
rgb_t ai44[256]; /* alpha, intensity 4-4 lookup table */
|
|
|
|
rgb_t rgb565[65536]; /* RGB 5-6-5 lookup table */
|
|
rgb_t argb1555[65536]; /* ARGB 1-5-5-5 lookup table */
|
|
rgb_t argb4444[65536]; /* ARGB 4-4-4-4 lookup table */
|
|
};
|
|
|
|
|
|
typedef struct _setup_vertex setup_vertex;
|
|
struct _setup_vertex
|
|
{
|
|
float x, y; /* X, Y coordinates */
|
|
float a, r, g, b; /* A, R, G, B values */
|
|
float z, wb; /* Z and broadcast W values */
|
|
float w0, s0, t0; /* W, S, T for TMU 0 */
|
|
float w1, s1, t1; /* W, S, T for TMU 1 */
|
|
};
|
|
|
|
|
|
typedef struct _fbi_state fbi_state;
|
|
struct _fbi_state
|
|
{
|
|
Bit8u * ram; /* pointer to frame buffer RAM */
|
|
Bit32u mask; /* mask to apply to pointers */
|
|
Bit32u rgboffs[3]; /* word offset to 3 RGB buffers */
|
|
Bit32u auxoffs; /* word offset to 1 aux buffer */
|
|
|
|
Bit8u frontbuf; /* front buffer index */
|
|
Bit8u backbuf; /* back buffer index */
|
|
Bit8u swaps_pending; /* number of pending swaps */
|
|
bx_bool video_changed; /* did the frontbuffer video change? */
|
|
|
|
Bit32u yorigin; /* Y origin subtract value */
|
|
Bit32u lfb_base; /* base of LFB in memory */
|
|
Bit8u lfb_stride; /* stride of LFB accesses in bits */
|
|
|
|
Bit32u width; /* width of current frame buffer */
|
|
Bit32u height; /* height of current frame buffer */
|
|
Bit32u xoffs; /* horizontal offset (back porch) */
|
|
Bit32u yoffs; /* vertical offset (back porch) */
|
|
Bit32u vsyncscan; /* vertical sync scanline */
|
|
Bit32u rowpixels; /* pixels per row */
|
|
Bit32u tile_width; /* width of video tiles */
|
|
Bit32u tile_height; /* height of video tiles */
|
|
Bit32u x_tiles; /* number of tiles in the X direction */
|
|
|
|
// emu_timer * vblank_timer /* VBLANK timer */
|
|
Bit8u vblank; /* VBLANK state */
|
|
Bit8u vblank_count; /* number of VBLANKs since last swap */
|
|
bx_bool vblank_swap_pending; /* a swap is pending, waiting for a vblank */
|
|
Bit8u vblank_swap; /* swap when we hit this count */
|
|
Bit8u vblank_dont_swap; /* don't actually swap when we hit this point */
|
|
// voodoo_vblank_func vblank_client; /* client callback */
|
|
|
|
/* triangle setup info */
|
|
bx_bool cheating_allowed; /* allow cheating? */
|
|
Bit32s sign; /* triangle sign */
|
|
Bit16s ax, ay; /* vertex A x,y (12.4) */
|
|
Bit16s bx, by; /* vertex B x,y (12.4) */
|
|
Bit16s cx, cy; /* vertex C x,y (12.4) */
|
|
Bit32s startr, startg, startb, starta; /* starting R,G,B,A (12.12) */
|
|
Bit32s startz; /* starting Z (20.12) */
|
|
Bit64s startw; /* starting W (16.32) */
|
|
Bit32s drdx, dgdx, dbdx, dadx; /* delta R,G,B,A per X */
|
|
Bit32s dzdx; /* delta Z per X */
|
|
Bit64s dwdx; /* delta W per X */
|
|
Bit32s drdy, dgdy, dbdy, dady; /* delta R,G,B,A per Y */
|
|
Bit32s dzdy; /* delta Z per Y */
|
|
Bit64s dwdy; /* delta W per Y */
|
|
|
|
stats_block lfb_stats; /* LFB-access statistics */
|
|
|
|
Bit8u sverts; /* number of vertices ready */
|
|
setup_vertex svert[3]; /* 3 setup vertices */
|
|
|
|
fifo_state fifo; /* framebuffer memory fifo */
|
|
cmdfifo_info cmdfifo[2]; /* command FIFOs */
|
|
|
|
Bit8u fogblend[64]; /* 64-entry fog table */
|
|
Bit8u fogdelta[64]; /* 64-entry fog table */
|
|
Bit8u fogdelta_mask; /* mask for for delta (0xff for V1, 0xfc for V2) */
|
|
|
|
rgb_t pen[65536]; /* mapping from pixels to pens */
|
|
rgb_t clut[512]; /* clut gamma data */
|
|
bx_bool clut_dirty; /* do we need to recompute? */
|
|
};
|
|
|
|
|
|
typedef struct _dac_state dac_state;
|
|
struct _dac_state
|
|
{
|
|
Bit8u reg[8]; /* 8 registers */
|
|
Bit8u read_result; /* pending read result */
|
|
};
|
|
|
|
|
|
typedef struct _raster_info raster_info;
|
|
struct _raster_info
|
|
{
|
|
struct _raster_info *next; /* pointer to next entry with the same hash */
|
|
poly_draw_scanline_func callback; /* callback pointer */
|
|
Bit8u is_generic; /* true if this is one of the generic rasterizers */
|
|
Bit8u display; /* display index */
|
|
Bit32u hits; /* how many hits (pixels) we've used this for */
|
|
Bit32u polys; /* how many polys we've used this for */
|
|
Bit32u eff_color_path; /* effective fbzColorPath value */
|
|
Bit32u eff_alpha_mode; /* effective alphaMode value */
|
|
Bit32u eff_fog_mode; /* effective fogMode value */
|
|
Bit32u eff_fbz_mode; /* effective fbzMode value */
|
|
Bit32u eff_tex_mode_0; /* effective textureMode value for TMU #0 */
|
|
Bit32u eff_tex_mode_1; /* effective textureMode value for TMU #1 */
|
|
};
|
|
|
|
|
|
struct _poly_extra_data
|
|
{
|
|
voodoo_state* state; /* pointer back to the voodoo state */
|
|
raster_info* info; /* pointer to rasterizer information */
|
|
|
|
Bit16s ax, ay; /* vertex A x,y (12.4) */
|
|
Bit32s startr, startg, startb, starta; /* starting R,G,B,A (12.12) */
|
|
Bit32s startz; /* starting Z (20.12) */
|
|
Bit64s startw; /* starting W (16.32) */
|
|
Bit32s drdx, dgdx, dbdx, dadx; /* delta R,G,B,A per X */
|
|
Bit32s dzdx; /* delta Z per X */
|
|
Bit64s dwdx; /* delta W per X */
|
|
Bit32s drdy, dgdy, dbdy, dady; /* delta R,G,B,A per Y */
|
|
Bit32s dzdy; /* delta Z per Y */
|
|
Bit64s dwdy; /* delta W per Y */
|
|
|
|
Bit64s starts0, startt0; /* starting S,T (14.18) */
|
|
Bit64s startw0; /* starting W (2.30) */
|
|
Bit64s ds0dx, dt0dx; /* delta S,T per X */
|
|
Bit64s dw0dx; /* delta W per X */
|
|
Bit64s ds0dy, dt0dy; /* delta S,T per Y */
|
|
Bit64s dw0dy; /* delta W per Y */
|
|
Bit32s lodbase0; /* used during rasterization */
|
|
|
|
Bit64s starts1, startt1; /* starting S,T (14.18) */
|
|
Bit64s startw1; /* starting W (2.30) */
|
|
Bit64s ds1dx, dt1dx; /* delta S,T per X */
|
|
Bit64s dw1dx; /* delta W per X */
|
|
Bit64s ds1dy, dt1dy; /* delta S,T per Y */
|
|
Bit64s dw1dy; /* delta W per Y */
|
|
Bit32s lodbase1; /* used during rasterization */
|
|
|
|
Bit16u dither[16]; /* dither matrix, for fastfill */
|
|
};
|
|
|
|
|
|
typedef struct _banshee_info banshee_info;
|
|
struct _banshee_info
|
|
{
|
|
Bit32u io[0x40]; /* I/O registers */
|
|
Bit32u agp[0x80]; /* AGP registers */
|
|
Bit8u vga[0x20]; /* VGA registers */
|
|
Bit8u crtc[0x27]; /* VGA CRTC registers */
|
|
Bit8u seq[0x05]; /* VGA sequencer registers */
|
|
Bit8u gc[0x05]; /* VGA graphics controller registers */
|
|
Bit8u att[0x15]; /* VGA attribute registers */
|
|
Bit8u attff; /* VGA attribute flip-flop */
|
|
};
|
|
|
|
|
|
/* typedef struct _voodoo_state voodoo_state; -- declared above */
|
|
struct _voodoo_state
|
|
{
|
|
Bit8u index; /* index of board */
|
|
// running_device *device; /* pointer to our containing device */
|
|
// running_device *screen; /* the screen we are acting on */
|
|
// running_device *cpu; /* the CPU we interact with */
|
|
Bit8u type; /* type of system */
|
|
Bit8u chipmask; /* mask for which chips are available */
|
|
Bit32u freq; /* operating frequency */
|
|
// attoseconds_t attoseconds_per_cycle; /* attoseconds per cycle */
|
|
Bit32u extra_cycles; /* extra cycles not yet accounted for */
|
|
int trigger; /* trigger used for stalling */
|
|
|
|
voodoo_reg reg[0x400]; /* raw registers */
|
|
const Bit8u *regaccess; /* register access array */
|
|
const char *const *regnames; /* register names array */
|
|
Bit8u alt_regmap; /* enable alternate register map? */
|
|
|
|
pci_state pci; /* PCI state */
|
|
dac_state dac; /* DAC state */
|
|
|
|
fbi_state fbi; /* FBI states */
|
|
tmu_state tmu[MAX_TMU]; /* TMU states */
|
|
tmu_shared_state tmushare; /* TMU shared state */
|
|
banshee_info banshee; /* Banshee state */
|
|
|
|
Bit32u send_config;
|
|
Bit32u tmu_config;
|
|
|
|
// poly_manager* poly; /* polygon manager */
|
|
stats_block * thread_stats; /* per-thread statistics */
|
|
|
|
voodoo_stats stats; /* internal statistics */
|
|
|
|
Bit32u last_status_pc; /* PC of last status description (for logging) */
|
|
Bit32u last_status_value; /* value of last status read (for logging) */
|
|
|
|
int next_rasterizer; /* next rasterizer index */
|
|
raster_info rasterizer[MAX_RASTERIZERS]; /* array of rasterizers */
|
|
raster_info * raster_hash[RASTER_HASH_SIZE]; /* hash table of rasterizers */
|
|
};
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Inline FIFO management
|
|
*
|
|
*************************************/
|
|
|
|
BX_CPP_INLINE void fifo_reset(fifo_state *f)
|
|
{
|
|
f->in = f->out = 0;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE void fifo_add(fifo_state *f, Bit32u data)
|
|
{
|
|
Bit32s next_in;
|
|
|
|
/* compute the value of 'in' after we add this item */
|
|
next_in = f->in + 1;
|
|
if (next_in >= f->size)
|
|
next_in = 0;
|
|
|
|
/* as long as it's not equal to the output pointer, we can do it */
|
|
if (next_in != f->out)
|
|
{
|
|
f->base[f->in] = data;
|
|
f->in = next_in;
|
|
}
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u fifo_remove(fifo_state *f)
|
|
{
|
|
Bit32u data = 0xffffffff;
|
|
|
|
/* as long as we have data, we can do it */
|
|
if (f->out != f->in)
|
|
{
|
|
Bit32s next_out;
|
|
|
|
/* fetch the data */
|
|
data = f->base[f->out];
|
|
|
|
/* advance the output pointer */
|
|
next_out = f->out + 1;
|
|
if (next_out >= f->size)
|
|
next_out = 0;
|
|
f->out = next_out;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u fifo_peek(fifo_state *f)
|
|
{
|
|
return f->base[f->out];
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE int fifo_empty(fifo_state *f)
|
|
{
|
|
return (f->in == f->out);
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE int fifo_full(fifo_state *f)
|
|
{
|
|
return (f->in + 1 == f->out || (f->in == f->size - 1 && f->out == 0));
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32s fifo_items(fifo_state *f)
|
|
{
|
|
Bit32s items = f->in - f->out;
|
|
if (items < 0)
|
|
items += f->size;
|
|
return items;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32s fifo_space(fifo_state *f)
|
|
{
|
|
Bit32s items = f->in - f->out;
|
|
if (items < 0)
|
|
items += f->size;
|
|
return f->size - 1 - items;
|
|
}
|
|
|
|
|
|
#ifndef PTR64
|
|
#define count_leading_zeros _count_leading_zeros
|
|
BX_CPP_INLINE Bit8u _count_leading_zeros(Bit32u value)
|
|
{
|
|
Bit32s result = 32;
|
|
|
|
while(value > 0) {
|
|
result--;
|
|
value >>= 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
/*************************************
|
|
*
|
|
* Computes a fast 16.16 reciprocal
|
|
* of a 16.32 value; used for
|
|
* computing 1/w in the rasterizer.
|
|
*
|
|
* Since it is trivial to also
|
|
* compute log2(1/w) = -log2(w) at
|
|
* the same time, we do that as well
|
|
* to 16.8 precision for LOD
|
|
* calculations.
|
|
*
|
|
* On a Pentium M, this routine is
|
|
* 20% faster than a 64-bit integer
|
|
* divide and also produces the log
|
|
* for free.
|
|
*
|
|
*************************************/
|
|
|
|
BX_CPP_INLINE Bit32s fast_reciplog(Bit64s value, Bit32s *log2)
|
|
{
|
|
extern Bit32u voodoo_reciplog[];
|
|
Bit32u temp, recip, rlog;
|
|
Bit32u interp;
|
|
Bit32u *table;
|
|
int neg = false;
|
|
int lz, exp = 0;
|
|
|
|
/* always work with unsigned numbers */
|
|
if (value < 0)
|
|
{
|
|
value = -value;
|
|
neg = true;
|
|
}
|
|
|
|
/* if we've spilled out of 32 bits, push it down under 32 */
|
|
if (value & BX_CONST64(0xffff00000000))
|
|
{
|
|
temp = (Bit32u)(value >> 16);
|
|
exp -= 16;
|
|
}
|
|
else
|
|
temp = (Bit32u)value;
|
|
|
|
/* if the resulting value is 0, the reciprocal is infinite */
|
|
if ((temp == 0))
|
|
{
|
|
*log2 = 1000 << LOG_OUTPUT_PREC;
|
|
return neg ? 0x80000000 : 0x7fffffff;
|
|
}
|
|
|
|
/* determine how many leading zeros in the value and shift it up high */
|
|
lz = count_leading_zeros(temp);
|
|
temp <<= lz;
|
|
exp += lz;
|
|
|
|
/* compute a pointer to the table entries we want */
|
|
/* math is a bit funny here because we shift one less than we need to in order */
|
|
/* to account for the fact that there are two Bit32u's per table entry */
|
|
table = &voodoo_reciplog[(temp >> (31 - RECIPLOG_LOOKUP_BITS - 1)) & ((2 << RECIPLOG_LOOKUP_BITS) - 2)];
|
|
|
|
/* compute the interpolation value */
|
|
interp = (temp >> (31 - RECIPLOG_LOOKUP_BITS - 8)) & 0xff;
|
|
|
|
/* do a linear interpolatation between the two nearest table values */
|
|
/* for both the log and the reciprocal */
|
|
rlog = (table[1] * (0x100 - interp) + table[3] * interp) >> 8;
|
|
recip = (table[0] * (0x100 - interp) + table[2] * interp) >> 8;
|
|
|
|
/* the log result is the fractional part of the log; round it to the output precision */
|
|
rlog = (rlog + (1 << (RECIPLOG_LOOKUP_PREC - LOG_OUTPUT_PREC - 1))) >> (RECIPLOG_LOOKUP_PREC - LOG_OUTPUT_PREC);
|
|
|
|
/* the exponent is the non-fractional part of the log; normally, we would subtract it from rlog */
|
|
/* but since we want the log(1/value) = -log(value), we subtract rlog from the exponent */
|
|
*log2 = ((exp - (31 - RECIPLOG_INPUT_PREC)) << LOG_OUTPUT_PREC) - rlog;
|
|
|
|
/* adjust the exponent to account for all the reciprocal-related parameters to arrive at a final shift amount */
|
|
exp += (RECIP_OUTPUT_PREC - RECIPLOG_LOOKUP_PREC) - (31 - RECIPLOG_INPUT_PREC);
|
|
|
|
/* shift by the exponent */
|
|
if (exp < 0)
|
|
recip >>= -exp;
|
|
else
|
|
recip <<= exp;
|
|
|
|
/* on the way out, apply the original sign to the reciprocal */
|
|
return neg ? -recip : recip;
|
|
}
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Float-to-int conversions
|
|
*
|
|
*************************************/
|
|
|
|
BX_CPP_INLINE Bit32s float_to_Bit32s(Bit32u data, int fixedbits)
|
|
{
|
|
int exponent = ((data >> 23) & 0xff) - 127 - 23 + fixedbits;
|
|
Bit32s result = (data & 0x7fffff) | 0x800000;
|
|
if (exponent < 0)
|
|
{
|
|
if (exponent > -32)
|
|
result >>= -exponent;
|
|
else
|
|
result = 0;
|
|
}
|
|
else
|
|
{
|
|
if (exponent < 32)
|
|
result <<= exponent;
|
|
else
|
|
result = 0x7fffffff;
|
|
}
|
|
if (data & 0x80000000)
|
|
result = -result;
|
|
return result;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit64s float_to_Bit64s(Bit32u data, int fixedbits)
|
|
{
|
|
int exponent = ((data >> 23) & 0xff) - 127 - 23 + fixedbits;
|
|
Bit64s result = (data & 0x7fffff) | 0x800000;
|
|
if (exponent < 0)
|
|
{
|
|
if (exponent > -64)
|
|
result >>= -exponent;
|
|
else
|
|
result = 0;
|
|
}
|
|
else
|
|
{
|
|
if (exponent < 64)
|
|
result <<= exponent;
|
|
else
|
|
result = BX_CONST64(0x7fffffffffffffff);
|
|
}
|
|
if (data & 0x80000000)
|
|
result = -result;
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Rasterizer inlines
|
|
*
|
|
*************************************/
|
|
|
|
BX_CPP_INLINE Bit32u normalize_color_path(Bit32u eff_color_path)
|
|
{
|
|
/* ignore the subpixel adjust and texture enable flags */
|
|
eff_color_path &= ~((1 << 26) | (1 << 27));
|
|
|
|
return eff_color_path;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u normalize_alpha_mode(Bit32u eff_alpha_mode)
|
|
{
|
|
/* always ignore alpha ref value */
|
|
eff_alpha_mode &= ~(0xff << 24);
|
|
|
|
/* if not doing alpha testing, ignore the alpha function and ref value */
|
|
if (!ALPHAMODE_ALPHATEST(eff_alpha_mode))
|
|
eff_alpha_mode &= ~(7 << 1);
|
|
|
|
/* if not doing alpha blending, ignore the source and dest blending factors */
|
|
if (!ALPHAMODE_ALPHABLEND(eff_alpha_mode))
|
|
eff_alpha_mode &= ~((15 << 8) | (15 << 12) | (15 << 16) | (15 << 20));
|
|
|
|
return eff_alpha_mode;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u normalize_fog_mode(Bit32u eff_fog_mode)
|
|
{
|
|
/* if not doing fogging, ignore all the other fog bits */
|
|
if (!FOGMODE_ENABLE_FOG(eff_fog_mode))
|
|
eff_fog_mode = 0;
|
|
|
|
return eff_fog_mode;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u normalize_fbz_mode(Bit32u eff_fbz_mode)
|
|
{
|
|
/* ignore the draw buffer */
|
|
eff_fbz_mode &= ~(3 << 14);
|
|
|
|
return eff_fbz_mode;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u normalize_tex_mode(Bit32u eff_tex_mode)
|
|
{
|
|
/* ignore the NCC table and seq_8_downld flags */
|
|
eff_tex_mode &= ~((1 << 5) | (1 << 31));
|
|
|
|
/* classify texture formats into 3 format categories */
|
|
if (TEXMODE_FORMAT(eff_tex_mode) < 8)
|
|
eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (0 << 8);
|
|
else if (TEXMODE_FORMAT(eff_tex_mode) >= 10 && TEXMODE_FORMAT(eff_tex_mode) <= 12)
|
|
eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (10 << 8);
|
|
else
|
|
eff_tex_mode = (eff_tex_mode & ~(0xf << 8)) | (8 << 8);
|
|
|
|
return eff_tex_mode;
|
|
}
|
|
|
|
|
|
BX_CPP_INLINE Bit32u compute_raster_hash(const raster_info *info)
|
|
{
|
|
Bit32u hash;
|
|
|
|
/* make a hash */
|
|
hash = info->eff_color_path;
|
|
hash = (hash << 1) | (hash >> 31);
|
|
hash ^= info->eff_fbz_mode;
|
|
hash = (hash << 1) | (hash >> 31);
|
|
hash ^= info->eff_alpha_mode;
|
|
hash = (hash << 1) | (hash >> 31);
|
|
hash ^= info->eff_fog_mode;
|
|
hash = (hash << 1) | (hash >> 31);
|
|
hash ^= info->eff_tex_mode_0;
|
|
hash = (hash << 1) | (hash >> 31);
|
|
hash ^= info->eff_tex_mode_1;
|
|
|
|
return hash % RASTER_HASH_SIZE;
|
|
}
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Dithering macros
|
|
*
|
|
*************************************/
|
|
|
|
/* note that these equations and the dither matrixes have
|
|
been confirmed to be exact matches to the real hardware */
|
|
#define DITHER_RB(val,dith) ((((val) << 1) - ((val) >> 4) + ((val) >> 7) + (dith)) >> 1)
|
|
#define DITHER_G(val,dith) ((((val) << 2) - ((val) >> 4) + ((val) >> 6) + (dith)) >> 2)
|
|
|
|
#define DECLARE_DITHER_POINTERS \
|
|
const Bit8u *dither_lookup = NULL; \
|
|
const Bit8u *dither4 = NULL; \
|
|
const Bit8u *dither = NULL \
|
|
|
|
|
|
#define COMPUTE_DITHER_POINTERS(FBZMODE, YY) \
|
|
do \
|
|
{ \
|
|
/* compute the dithering pointers */ \
|
|
if (FBZMODE_ENABLE_DITHERING(FBZMODE)) \
|
|
{ \
|
|
dither4 = &dither_matrix_4x4[((YY) & 3) * 4]; \
|
|
if (FBZMODE_DITHER_TYPE(FBZMODE) == 0) \
|
|
{ \
|
|
dither = dither4; \
|
|
dither_lookup = &dither4_lookup[(YY & 3) << 11]; \
|
|
} \
|
|
else \
|
|
{ \
|
|
dither = &dither_matrix_2x2[((YY) & 3) * 4]; \
|
|
dither_lookup = &dither2_lookup[(YY & 3) << 11]; \
|
|
} \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
#define APPLY_DITHER(FBZMODE, XX, DITHER_LOOKUP, RR, GG, BB) \
|
|
do \
|
|
{ \
|
|
/* apply dithering */ \
|
|
if (FBZMODE_ENABLE_DITHERING(FBZMODE)) \
|
|
{ \
|
|
/* look up the dither value from the appropriate matrix */ \
|
|
const Bit8u *dith = &DITHER_LOOKUP[((XX) & 3) << 1]; \
|
|
\
|
|
/* apply dithering to R,G,B */ \
|
|
(RR) = dith[((RR) << 3) + 0]; \
|
|
(GG) = dith[((GG) << 3) + 1]; \
|
|
(BB) = dith[((BB) << 3) + 0]; \
|
|
} \
|
|
else \
|
|
{ \
|
|
(RR) >>= 3; \
|
|
(GG) >>= 2; \
|
|
(BB) >>= 3; \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Clamping macros
|
|
*
|
|
*************************************/
|
|
|
|
#define CLAMPED_ARGB(ITERR, ITERG, ITERB, ITERA, FBZCP, RESULT) \
|
|
do \
|
|
{ \
|
|
Bit32s r = (Bit32s)(ITERR) >> 12; \
|
|
Bit32s g = (Bit32s)(ITERG) >> 12; \
|
|
Bit32s b = (Bit32s)(ITERB) >> 12; \
|
|
Bit32s a = (Bit32s)(ITERA) >> 12; \
|
|
\
|
|
if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \
|
|
{ \
|
|
r &= 0xfff; \
|
|
RESULT.rgb.r = r; \
|
|
if (r == 0xfff) \
|
|
RESULT.rgb.r = 0; \
|
|
else if (r == 0x100) \
|
|
RESULT.rgb.r = 0xff; \
|
|
\
|
|
g &= 0xfff; \
|
|
RESULT.rgb.g = g; \
|
|
if (g == 0xfff) \
|
|
RESULT.rgb.g = 0; \
|
|
else if (g == 0x100) \
|
|
RESULT.rgb.g = 0xff; \
|
|
\
|
|
b &= 0xfff; \
|
|
RESULT.rgb.b = b; \
|
|
if (b == 0xfff) \
|
|
RESULT.rgb.b = 0; \
|
|
else if (b == 0x100) \
|
|
RESULT.rgb.b = 0xff; \
|
|
\
|
|
a &= 0xfff; \
|
|
RESULT.rgb.a = a; \
|
|
if (a == 0xfff) \
|
|
RESULT.rgb.a = 0; \
|
|
else if (a == 0x100) \
|
|
RESULT.rgb.a = 0xff; \
|
|
} \
|
|
else \
|
|
{ \
|
|
RESULT.rgb.r = (r < 0) ? 0 : (r > 0xff) ? 0xff : r; \
|
|
RESULT.rgb.g = (g < 0) ? 0 : (g > 0xff) ? 0xff : g; \
|
|
RESULT.rgb.b = (b < 0) ? 0 : (b > 0xff) ? 0xff : b; \
|
|
RESULT.rgb.a = (a < 0) ? 0 : (a > 0xff) ? 0xff : a; \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
#define CLAMPED_Z(ITERZ, FBZCP, RESULT) \
|
|
do \
|
|
{ \
|
|
(RESULT) = (Bit32s)(ITERZ) >> 12; \
|
|
if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \
|
|
{ \
|
|
(RESULT) &= 0xfffff; \
|
|
if ((RESULT) == 0xfffff) \
|
|
(RESULT) = 0; \
|
|
else if ((RESULT) == 0x10000) \
|
|
(RESULT) = 0xffff; \
|
|
else \
|
|
(RESULT) &= 0xffff; \
|
|
} \
|
|
else \
|
|
{ \
|
|
CLAMP((RESULT), 0, 0xffff); \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
#define CLAMPED_W(ITERW, FBZCP, RESULT) \
|
|
do \
|
|
{ \
|
|
(RESULT) = (Bit16s)((ITERW) >> 32); \
|
|
if (FBZCP_RGBZW_CLAMP(FBZCP) == 0) \
|
|
{ \
|
|
(RESULT) &= 0xffff; \
|
|
if ((RESULT) == 0xffff) \
|
|
(RESULT) = 0; \
|
|
else if ((RESULT) == 0x100) \
|
|
(RESULT) = 0xff; \
|
|
(RESULT) &= 0xff; \
|
|
} \
|
|
else \
|
|
{ \
|
|
CLAMP((RESULT), 0, 0xff); \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Chroma keying macro
|
|
*
|
|
*************************************/
|
|
|
|
#define APPLY_CHROMAKEY(VV, STATS, FBZMODE, COLOR) \
|
|
do \
|
|
{ \
|
|
if (FBZMODE_ENABLE_CHROMAKEY(FBZMODE)) \
|
|
{ \
|
|
/* non-range version */ \
|
|
if (!CHROMARANGE_ENABLE((VV)->reg[chromaRange].u)) \
|
|
{ \
|
|
if (((COLOR.u ^ (VV)->reg[chromaKey].u) & 0xffffff) == 0) \
|
|
{ \
|
|
(STATS)->chroma_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
} \
|
|
\
|
|
/* tricky range version */ \
|
|
else \
|
|
{ \
|
|
Bit32s low, high, test; \
|
|
int results = 0; \
|
|
\
|
|
/* check blue */ \
|
|
low = (VV)->reg[chromaKey].rgb.b; \
|
|
high = (VV)->reg[chromaRange].rgb.b; \
|
|
test = COLOR.rgb.b; \
|
|
results = (test >= low && test <= high); \
|
|
results ^= CHROMARANGE_BLUE_EXCLUSIVE((VV)->reg[chromaRange].u); \
|
|
results <<= 1; \
|
|
\
|
|
/* check green */ \
|
|
low = (VV)->reg[chromaKey].rgb.g; \
|
|
high = (VV)->reg[chromaRange].rgb.g; \
|
|
test = COLOR.rgb.g; \
|
|
results |= (test >= low && test <= high); \
|
|
results ^= CHROMARANGE_GREEN_EXCLUSIVE((VV)->reg[chromaRange].u); \
|
|
results <<= 1; \
|
|
\
|
|
/* check red */ \
|
|
low = (VV)->reg[chromaKey].rgb.r; \
|
|
high = (VV)->reg[chromaRange].rgb.r; \
|
|
test = COLOR.rgb.r; \
|
|
results |= (test >= low && test <= high); \
|
|
results ^= CHROMARANGE_RED_EXCLUSIVE((VV)->reg[chromaRange].u); \
|
|
\
|
|
/* final result */ \
|
|
if (CHROMARANGE_UNION_MODE((VV)->reg[chromaRange].u)) \
|
|
{ \
|
|
if (results != 0) \
|
|
{ \
|
|
(STATS)->chroma_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
if (results == 7) \
|
|
{ \
|
|
(STATS)->chroma_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
} \
|
|
} \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Alpha masking macro
|
|
*
|
|
*************************************/
|
|
|
|
#define APPLY_ALPHAMASK(VV, STATS, FBZMODE, AA) \
|
|
do \
|
|
{ \
|
|
if (FBZMODE_ENABLE_ALPHA_MASK(FBZMODE)) \
|
|
{ \
|
|
if (((AA) & 1) == 0) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Alpha testing macro
|
|
*
|
|
*************************************/
|
|
|
|
#define APPLY_ALPHATEST(VV, STATS, ALPHAMODE, AA) \
|
|
do \
|
|
{ \
|
|
if (ALPHAMODE_ALPHATEST(ALPHAMODE)) \
|
|
{ \
|
|
Bit8u alpharef = (VV)->reg[alphaMode].rgb.a; \
|
|
switch (ALPHAMODE_ALPHAFUNCTION(ALPHAMODE)) \
|
|
{ \
|
|
case 0: /* alphaOP = never */ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
\
|
|
case 1: /* alphaOP = less than */ \
|
|
if ((AA) >= alpharef) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 2: /* alphaOP = equal */ \
|
|
if ((AA) != alpharef) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 3: /* alphaOP = less than or equal */ \
|
|
if ((AA) > alpharef) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 4: /* alphaOP = greater than */ \
|
|
if ((AA) <= alpharef) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 5: /* alphaOP = not equal */ \
|
|
if ((AA) == alpharef) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 6: /* alphaOP = greater than or equal */ \
|
|
if ((AA) < alpharef) \
|
|
{ \
|
|
(STATS)->afunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 7: /* alphaOP = always */ \
|
|
break; \
|
|
} \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Alpha blending macro
|
|
*
|
|
*************************************/
|
|
|
|
#define APPLY_ALPHA_BLEND(FBZMODE, ALPHAMODE, XX, DITHER, RR, GG, BB, AA) \
|
|
do \
|
|
{ \
|
|
if (ALPHAMODE_ALPHABLEND(ALPHAMODE)) \
|
|
{ \
|
|
int dpix = dest[XX]; \
|
|
int dr = (dpix >> 8) & 0xf8; \
|
|
int dg = (dpix >> 3) & 0xfc; \
|
|
int db = (dpix << 3) & 0xf8; \
|
|
int da = FBZMODE_ENABLE_ALPHA_PLANES(FBZMODE) ? depth[XX] : 0xff; \
|
|
int sr = (RR); \
|
|
int sg = (GG); \
|
|
int sb = (BB); \
|
|
int sa = (AA); \
|
|
int ta; \
|
|
\
|
|
/* apply dither subtraction */ \
|
|
if (FBZMODE_ALPHA_DITHER_SUBTRACT(FBZMODE)) \
|
|
{ \
|
|
/* look up the dither value from the appropriate matrix */ \
|
|
int dith = DITHER[(XX) & 3]; \
|
|
\
|
|
/* subtract the dither value */ \
|
|
dr = ((dr << 1) + 15 - dith) >> 1; \
|
|
dg = ((dg << 2) + 15 - dith) >> 2; \
|
|
db = ((db << 1) + 15 - dith) >> 1; \
|
|
} \
|
|
\
|
|
/* compute source portion */ \
|
|
switch (ALPHAMODE_SRCRGBBLEND(ALPHAMODE)) \
|
|
{ \
|
|
default: /* reserved */ \
|
|
case 0: /* AZERO */ \
|
|
(RR) = (GG) = (BB) = 0; \
|
|
break; \
|
|
\
|
|
case 1: /* ASRC_ALPHA */ \
|
|
(RR) = (sr * (sa + 1)) >> 8; \
|
|
(GG) = (sg * (sa + 1)) >> 8; \
|
|
(BB) = (sb * (sa + 1)) >> 8; \
|
|
break; \
|
|
\
|
|
case 2: /* A_COLOR */ \
|
|
(RR) = (sr * (dr + 1)) >> 8; \
|
|
(GG) = (sg * (dg + 1)) >> 8; \
|
|
(BB) = (sb * (db + 1)) >> 8; \
|
|
break; \
|
|
\
|
|
case 3: /* ADST_ALPHA */ \
|
|
(RR) = (sr * (da + 1)) >> 8; \
|
|
(GG) = (sg * (da + 1)) >> 8; \
|
|
(BB) = (sb * (da + 1)) >> 8; \
|
|
break; \
|
|
\
|
|
case 4: /* AONE */ \
|
|
break; \
|
|
\
|
|
case 5: /* AOMSRC_ALPHA */ \
|
|
(RR) = (sr * (0x100 - sa)) >> 8; \
|
|
(GG) = (sg * (0x100 - sa)) >> 8; \
|
|
(BB) = (sb * (0x100 - sa)) >> 8; \
|
|
break; \
|
|
\
|
|
case 6: /* AOM_COLOR */ \
|
|
(RR) = (sr * (0x100 - dr)) >> 8; \
|
|
(GG) = (sg * (0x100 - dg)) >> 8; \
|
|
(BB) = (sb * (0x100 - db)) >> 8; \
|
|
break; \
|
|
\
|
|
case 7: /* AOMDST_ALPHA */ \
|
|
(RR) = (sr * (0x100 - da)) >> 8; \
|
|
(GG) = (sg * (0x100 - da)) >> 8; \
|
|
(BB) = (sb * (0x100 - da)) >> 8; \
|
|
break; \
|
|
\
|
|
case 15: /* ASATURATE */ \
|
|
ta = (sa < (0x100 - da)) ? sa : (0x100 - da); \
|
|
(RR) = (sr * (ta + 1)) >> 8; \
|
|
(GG) = (sg * (ta + 1)) >> 8; \
|
|
(BB) = (sb * (ta + 1)) >> 8; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* add in dest portion */ \
|
|
switch (ALPHAMODE_DSTRGBBLEND(ALPHAMODE)) \
|
|
{ \
|
|
default: /* reserved */ \
|
|
case 0: /* AZERO */ \
|
|
break; \
|
|
\
|
|
case 1: /* ASRC_ALPHA */ \
|
|
(RR) += (dr * (sa + 1)) >> 8; \
|
|
(GG) += (dg * (sa + 1)) >> 8; \
|
|
(BB) += (db * (sa + 1)) >> 8; \
|
|
break; \
|
|
\
|
|
case 2: /* A_COLOR */ \
|
|
(RR) += (dr * (sr + 1)) >> 8; \
|
|
(GG) += (dg * (sg + 1)) >> 8; \
|
|
(BB) += (db * (sb + 1)) >> 8; \
|
|
break; \
|
|
\
|
|
case 3: /* ADST_ALPHA */ \
|
|
(RR) += (dr * (da + 1)) >> 8; \
|
|
(GG) += (dg * (da + 1)) >> 8; \
|
|
(BB) += (db * (da + 1)) >> 8; \
|
|
break; \
|
|
\
|
|
case 4: /* AONE */ \
|
|
(RR) += dr; \
|
|
(GG) += dg; \
|
|
(BB) += db; \
|
|
break; \
|
|
\
|
|
case 5: /* AOMSRC_ALPHA */ \
|
|
(RR) += (dr * (0x100 - sa)) >> 8; \
|
|
(GG) += (dg * (0x100 - sa)) >> 8; \
|
|
(BB) += (db * (0x100 - sa)) >> 8; \
|
|
break; \
|
|
\
|
|
case 6: /* AOM_COLOR */ \
|
|
(RR) += (dr * (0x100 - sr)) >> 8; \
|
|
(GG) += (dg * (0x100 - sg)) >> 8; \
|
|
(BB) += (db * (0x100 - sb)) >> 8; \
|
|
break; \
|
|
\
|
|
case 7: /* AOMDST_ALPHA */ \
|
|
(RR) += (dr * (0x100 - da)) >> 8; \
|
|
(GG) += (dg * (0x100 - da)) >> 8; \
|
|
(BB) += (db * (0x100 - da)) >> 8; \
|
|
break; \
|
|
\
|
|
case 15: /* A_COLORBEFOREFOG */ \
|
|
(RR) += (dr * (prefogr + 1)) >> 8; \
|
|
(GG) += (dg * (prefogg + 1)) >> 8; \
|
|
(BB) += (db * (prefogb + 1)) >> 8; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* blend the source alpha */ \
|
|
(AA) = 0; \
|
|
if (ALPHAMODE_SRCALPHABLEND(ALPHAMODE) == 4) \
|
|
(AA) = sa; \
|
|
\
|
|
/* blend the dest alpha */ \
|
|
if (ALPHAMODE_DSTALPHABLEND(ALPHAMODE) == 4) \
|
|
(AA) += da; \
|
|
\
|
|
/* clamp */ \
|
|
CLAMP((RR), 0x00, 0xff); \
|
|
CLAMP((GG), 0x00, 0xff); \
|
|
CLAMP((BB), 0x00, 0xff); \
|
|
CLAMP((AA), 0x00, 0xff); \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Fogging macro
|
|
*
|
|
*************************************/
|
|
|
|
#define APPLY_FOGGING(VV, FOGMODE, FBZCP, XX, DITHER4, RR, GG, BB, ITERZ, ITERW, ITERAXXX) \
|
|
do \
|
|
{ \
|
|
if (FOGMODE_ENABLE_FOG(FOGMODE)) \
|
|
{ \
|
|
rgb_union fogcolor = (VV)->reg[fogColor]; \
|
|
Bit32s fr, fg, fb; \
|
|
\
|
|
/* constant fog bypasses everything else */ \
|
|
if (FOGMODE_FOG_CONSTANT(FOGMODE)) \
|
|
{ \
|
|
fr = fogcolor.rgb.r; \
|
|
fg = fogcolor.rgb.g; \
|
|
fb = fogcolor.rgb.b; \
|
|
} \
|
|
/* non-constant fog comes from several sources */ \
|
|
else \
|
|
{ \
|
|
Bit32s fogblend = 0; \
|
|
\
|
|
/* if fog_add is zero, we start with the fog color */ \
|
|
if (FOGMODE_FOG_ADD(FOGMODE) == 0) \
|
|
{ \
|
|
fr = fogcolor.rgb.r; \
|
|
fg = fogcolor.rgb.g; \
|
|
fb = fogcolor.rgb.b; \
|
|
} \
|
|
else \
|
|
fr = fg = fb = 0; \
|
|
\
|
|
/* if fog_mult is zero, we subtract the incoming color */ \
|
|
if (FOGMODE_FOG_MULT(FOGMODE) == 0) \
|
|
{ \
|
|
fr -= (RR); \
|
|
fg -= (GG); \
|
|
fb -= (BB); \
|
|
} \
|
|
\
|
|
/* fog blending mode */ \
|
|
switch (FOGMODE_FOG_ZALPHA(FOGMODE)) \
|
|
{ \
|
|
case 0: /* fog table */ \
|
|
{ \
|
|
Bit32s delta = (VV)->fbi.fogdelta[wfloat >> 10]; \
|
|
Bit32s deltaval; \
|
|
\
|
|
/* perform the multiply against lower 8 bits of wfloat */ \
|
|
deltaval = (delta & (VV)->fbi.fogdelta_mask) * \
|
|
((wfloat >> 2) & 0xff); \
|
|
\
|
|
/* fog zones allow for negating this value */ \
|
|
if (FOGMODE_FOG_ZONES(FOGMODE) && (delta & 2)) \
|
|
deltaval = -deltaval; \
|
|
deltaval >>= 6; \
|
|
\
|
|
/* apply dither */ \
|
|
if (FOGMODE_FOG_DITHER(FOGMODE)) \
|
|
deltaval += DITHER4[(XX) & 3]; \
|
|
deltaval >>= 4; \
|
|
\
|
|
/* add to the blending factor */ \
|
|
fogblend = (VV)->fbi.fogblend[wfloat >> 10] + deltaval; \
|
|
break; \
|
|
} \
|
|
\
|
|
case 1: /* iterated A */ \
|
|
fogblend = ITERAXXX.rgb.a; \
|
|
break; \
|
|
\
|
|
case 2: /* iterated Z */ \
|
|
CLAMPED_Z((ITERZ), FBZCP, fogblend); \
|
|
fogblend >>= 8; \
|
|
break; \
|
|
\
|
|
case 3: /* iterated W - Voodoo 2 only */ \
|
|
CLAMPED_W((ITERW), FBZCP, fogblend); \
|
|
break; \
|
|
} \
|
|
\
|
|
/* perform the blend */ \
|
|
fogblend++; \
|
|
fr = (fr * fogblend) >> 8; \
|
|
fg = (fg * fogblend) >> 8; \
|
|
fb = (fb * fogblend) >> 8; \
|
|
} \
|
|
\
|
|
/* if fog_mult is 0, we add this to the original color */ \
|
|
if (FOGMODE_FOG_MULT(FOGMODE) == 0) \
|
|
{ \
|
|
(RR) += fr; \
|
|
(GG) += fg; \
|
|
(BB) += fb; \
|
|
} \
|
|
/* otherwise this just becomes the new color */ \
|
|
else \
|
|
{ \
|
|
(RR) = fr; \
|
|
(GG) = fg; \
|
|
(BB) = fb; \
|
|
} \
|
|
\
|
|
/* clamp */ \
|
|
CLAMP((RR), 0x00, 0xff); \
|
|
CLAMP((GG), 0x00, 0xff); \
|
|
CLAMP((BB), 0x00, 0xff); \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Texture pipeline macro
|
|
*
|
|
*************************************/
|
|
|
|
#define TEXTURE_PIPELINE(TT, XX, DITHER4, TEXMODE, COTHER, LOOKUP, LODBASE, ITERS, ITERT, ITERW, RESULT) \
|
|
do \
|
|
{ \
|
|
Bit32s blendr, blendg, blendb, blenda; \
|
|
Bit32s tr, tg, tb, ta; \
|
|
Bit32s oow, s, t, lod, ilod; \
|
|
Bit32s smax, tmax; \
|
|
Bit32u texbase; \
|
|
rgb_union c_local; \
|
|
\
|
|
/* determine the S/T/LOD values for this texture */ \
|
|
if (TEXMODE_ENABLE_PERSPECTIVE(TEXMODE)) \
|
|
{ \
|
|
oow = fast_reciplog((ITERW), &lod); \
|
|
s = ((Bit64s)oow * (ITERS)) >> 29; \
|
|
t = ((Bit64s)oow * (ITERT)) >> 29; \
|
|
lod += (LODBASE); \
|
|
} \
|
|
else \
|
|
{ \
|
|
s = (ITERS) >> 14; \
|
|
t = (ITERT) >> 14; \
|
|
lod = (LODBASE); \
|
|
} \
|
|
\
|
|
/* clamp W */ \
|
|
if (TEXMODE_CLAMP_NEG_W(TEXMODE) && (ITERW) < 0) \
|
|
s = t = 0; \
|
|
\
|
|
/* clamp the LOD */ \
|
|
lod += (TT)->lodbias; \
|
|
if (TEXMODE_ENABLE_LOD_DITHER(TEXMODE)) \
|
|
lod += DITHER4[(XX) & 3] << 4; \
|
|
if (lod < (TT)->lodmin) \
|
|
lod = (TT)->lodmin; \
|
|
if (lod > (TT)->lodmax) \
|
|
lod = (TT)->lodmax; \
|
|
\
|
|
/* now the LOD is in range; if we don't own this LOD, take the next one */ \
|
|
ilod = lod >> 8; \
|
|
if (!(((TT)->lodmask >> ilod) & 1)) \
|
|
ilod++; \
|
|
\
|
|
/* fetch the texture base */ \
|
|
texbase = (TT)->lodoffset[ilod]; \
|
|
\
|
|
/* compute the maximum s and t values at this LOD */ \
|
|
smax = (TT)->wmask >> ilod; \
|
|
tmax = (TT)->hmask >> ilod; \
|
|
\
|
|
/* determine whether we are point-sampled or bilinear */ \
|
|
if ((lod == (TT)->lodmin && !TEXMODE_MAGNIFICATION_FILTER(TEXMODE)) || \
|
|
(lod != (TT)->lodmin && !TEXMODE_MINIFICATION_FILTER(TEXMODE))) \
|
|
{ \
|
|
/* point sampled */ \
|
|
\
|
|
Bit32u texel0; \
|
|
\
|
|
/* adjust S/T for the LOD and strip off the fractions */ \
|
|
s >>= ilod + 18; \
|
|
t >>= ilod + 18; \
|
|
\
|
|
/* clamp/wrap S/T if necessary */ \
|
|
if (TEXMODE_CLAMP_S(TEXMODE)) \
|
|
CLAMP(s, 0, smax); \
|
|
if (TEXMODE_CLAMP_T(TEXMODE)) \
|
|
CLAMP(t, 0, tmax); \
|
|
s &= smax; \
|
|
t &= tmax; \
|
|
t *= smax + 1; \
|
|
\
|
|
/* fetch texel data */ \
|
|
if (TEXMODE_FORMAT(TEXMODE) < 8) \
|
|
{ \
|
|
texel0 = *(Bit8u *)&(TT)->ram[(texbase + t + s) & (TT)->mask]; \
|
|
c_local.u = (LOOKUP)[texel0]; \
|
|
} \
|
|
else \
|
|
{ \
|
|
texel0 = *(Bit16u *)&(TT)->ram[(texbase + 2*(t + s)) & (TT)->mask]; \
|
|
if (TEXMODE_FORMAT(TEXMODE) >= 10 && TEXMODE_FORMAT(TEXMODE) <= 12) \
|
|
c_local.u = (LOOKUP)[texel0]; \
|
|
else \
|
|
c_local.u = ((LOOKUP)[texel0 & 0xff] & 0xffffff) | \
|
|
((texel0 & 0xff00) << 16); \
|
|
} \
|
|
} \
|
|
else \
|
|
{ \
|
|
/* bilinear filtered */ \
|
|
\
|
|
Bit32u texel0, texel1, texel2, texel3; \
|
|
Bit32u sfrac, tfrac; \
|
|
Bit32s s1, t1; \
|
|
\
|
|
/* adjust S/T for the LOD and strip off all but the low 8 bits of */ \
|
|
/* the fraction */ \
|
|
s >>= ilod + 10; \
|
|
t >>= ilod + 10; \
|
|
\
|
|
/* also subtract 1/2 texel so that (0.5,0.5) = a full (0,0) texel */ \
|
|
s -= 0x80; \
|
|
t -= 0x80; \
|
|
\
|
|
/* extract the fractions */ \
|
|
sfrac = s & (TT)->bilinear_mask; \
|
|
tfrac = t & (TT)->bilinear_mask; \
|
|
\
|
|
/* now toss the rest */ \
|
|
s >>= 8; \
|
|
t >>= 8; \
|
|
s1 = s + 1; \
|
|
t1 = t + 1; \
|
|
\
|
|
/* clamp/wrap S/T if necessary */ \
|
|
if (TEXMODE_CLAMP_S(TEXMODE)) \
|
|
{ \
|
|
CLAMP(s, 0, smax); \
|
|
CLAMP(s1, 0, smax); \
|
|
} \
|
|
if (TEXMODE_CLAMP_T(TEXMODE)) \
|
|
{ \
|
|
CLAMP(t, 0, tmax); \
|
|
CLAMP(t1, 0, tmax); \
|
|
} \
|
|
s &= smax; \
|
|
s1 &= smax; \
|
|
t &= tmax; \
|
|
t1 &= tmax; \
|
|
t *= smax + 1; \
|
|
t1 *= smax + 1; \
|
|
\
|
|
/* fetch texel data */ \
|
|
if (TEXMODE_FORMAT(TEXMODE) < 8) \
|
|
{ \
|
|
texel0 = *(Bit8u *)&(TT)->ram[(texbase + t + s) & (TT)->mask]; \
|
|
texel1 = *(Bit8u *)&(TT)->ram[(texbase + t + s1) & (TT)->mask]; \
|
|
texel2 = *(Bit8u *)&(TT)->ram[(texbase + t1 + s) & (TT)->mask]; \
|
|
texel3 = *(Bit8u *)&(TT)->ram[(texbase + t1 + s1) & (TT)->mask]; \
|
|
texel0 = (LOOKUP)[texel0]; \
|
|
texel1 = (LOOKUP)[texel1]; \
|
|
texel2 = (LOOKUP)[texel2]; \
|
|
texel3 = (LOOKUP)[texel3]; \
|
|
} \
|
|
else \
|
|
{ \
|
|
texel0 = *(Bit16u *)&(TT)->ram[(texbase + 2*(t + s)) & (TT)->mask]; \
|
|
texel1 = *(Bit16u *)&(TT)->ram[(texbase + 2*(t + s1)) & (TT)->mask]; \
|
|
texel2 = *(Bit16u *)&(TT)->ram[(texbase + 2*(t1 + s)) & (TT)->mask]; \
|
|
texel3 = *(Bit16u *)&(TT)->ram[(texbase + 2*(t1 + s1)) & (TT)->mask]; \
|
|
if (TEXMODE_FORMAT(TEXMODE) >= 10 && TEXMODE_FORMAT(TEXMODE) <= 12) \
|
|
{ \
|
|
texel0 = (LOOKUP)[texel0]; \
|
|
texel1 = (LOOKUP)[texel1]; \
|
|
texel2 = (LOOKUP)[texel2]; \
|
|
texel3 = (LOOKUP)[texel3]; \
|
|
} \
|
|
else \
|
|
{ \
|
|
texel0 = ((LOOKUP)[texel0 & 0xff] & 0xffffff) | \
|
|
((texel0 & 0xff00) << 16); \
|
|
texel1 = ((LOOKUP)[texel1 & 0xff] & 0xffffff) | \
|
|
((texel1 & 0xff00) << 16); \
|
|
texel2 = ((LOOKUP)[texel2 & 0xff] & 0xffffff) | \
|
|
((texel2 & 0xff00) << 16); \
|
|
texel3 = ((LOOKUP)[texel3 & 0xff] & 0xffffff) | \
|
|
((texel3 & 0xff00) << 16); \
|
|
} \
|
|
} \
|
|
\
|
|
/* weigh in each texel */ \
|
|
c_local.u = rgba_bilinear_filter(texel0, texel1, texel2, texel3, sfrac, tfrac); \
|
|
} \
|
|
\
|
|
/* select zero/other for RGB */ \
|
|
if (!TEXMODE_TC_ZERO_OTHER(TEXMODE)) \
|
|
{ \
|
|
tr = COTHER.rgb.r; \
|
|
tg = COTHER.rgb.g; \
|
|
tb = COTHER.rgb.b; \
|
|
} \
|
|
else \
|
|
tr = tg = tb = 0; \
|
|
\
|
|
/* select zero/other for alpha */ \
|
|
if (!TEXMODE_TCA_ZERO_OTHER(TEXMODE)) \
|
|
ta = COTHER.rgb.a; \
|
|
else \
|
|
ta = 0; \
|
|
\
|
|
/* potentially subtract c_local */ \
|
|
if (TEXMODE_TC_SUB_CLOCAL(TEXMODE)) \
|
|
{ \
|
|
tr -= c_local.rgb.r; \
|
|
tg -= c_local.rgb.g; \
|
|
tb -= c_local.rgb.b; \
|
|
} \
|
|
if (TEXMODE_TCA_SUB_CLOCAL(TEXMODE)) \
|
|
ta -= c_local.rgb.a; \
|
|
\
|
|
/* blend RGB */ \
|
|
switch (TEXMODE_TC_MSELECT(TEXMODE)) \
|
|
{ \
|
|
default: /* reserved */ \
|
|
case 0: /* zero */ \
|
|
blendr = blendg = blendb = 0; \
|
|
break; \
|
|
\
|
|
case 1: /* c_local */ \
|
|
blendr = c_local.rgb.r; \
|
|
blendg = c_local.rgb.g; \
|
|
blendb = c_local.rgb.b; \
|
|
break; \
|
|
\
|
|
case 2: /* a_other */ \
|
|
blendr = blendg = blendb = COTHER.rgb.a; \
|
|
break; \
|
|
\
|
|
case 3: /* a_local */ \
|
|
blendr = blendg = blendb = c_local.rgb.a; \
|
|
break; \
|
|
\
|
|
case 4: /* LOD (detail factor) */ \
|
|
if ((TT)->detailbias <= lod) \
|
|
blendr = blendg = blendb = 0; \
|
|
else \
|
|
{ \
|
|
blendr = ((((TT)->detailbias - lod) << (TT)->detailscale) >> 8); \
|
|
if (blendr > (TT)->detailmax) \
|
|
blendr = (TT)->detailmax; \
|
|
blendg = blendb = blendr; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 5: /* LOD fraction */ \
|
|
blendr = blendg = blendb = lod & 0xff; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* blend alpha */ \
|
|
switch (TEXMODE_TCA_MSELECT(TEXMODE)) \
|
|
{ \
|
|
default: /* reserved */ \
|
|
case 0: /* zero */ \
|
|
blenda = 0; \
|
|
break; \
|
|
\
|
|
case 1: /* c_local */ \
|
|
blenda = c_local.rgb.a; \
|
|
break; \
|
|
\
|
|
case 2: /* a_other */ \
|
|
blenda = COTHER.rgb.a; \
|
|
break; \
|
|
\
|
|
case 3: /* a_local */ \
|
|
blenda = c_local.rgb.a; \
|
|
break; \
|
|
\
|
|
case 4: /* LOD (detail factor) */ \
|
|
if ((TT)->detailbias <= lod) \
|
|
blenda = 0; \
|
|
else \
|
|
{ \
|
|
blenda = ((((TT)->detailbias - lod) << (TT)->detailscale) >> 8); \
|
|
if (blenda > (TT)->detailmax) \
|
|
blenda = (TT)->detailmax; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 5: /* LOD fraction */ \
|
|
blenda = lod & 0xff; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* reverse the RGB blend */ \
|
|
if (!TEXMODE_TC_REVERSE_BLEND(TEXMODE)) \
|
|
{ \
|
|
blendr ^= 0xff; \
|
|
blendg ^= 0xff; \
|
|
blendb ^= 0xff; \
|
|
} \
|
|
\
|
|
/* reverse the alpha blend */ \
|
|
if (!TEXMODE_TCA_REVERSE_BLEND(TEXMODE)) \
|
|
blenda ^= 0xff; \
|
|
\
|
|
/* do the blend */ \
|
|
tr = (tr * (blendr + 1)) >> 8; \
|
|
tg = (tg * (blendg + 1)) >> 8; \
|
|
tb = (tb * (blendb + 1)) >> 8; \
|
|
ta = (ta * (blenda + 1)) >> 8; \
|
|
\
|
|
/* add clocal or alocal to RGB */ \
|
|
switch (TEXMODE_TC_ADD_ACLOCAL(TEXMODE)) \
|
|
{ \
|
|
case 3: /* reserved */ \
|
|
case 0: /* nothing */ \
|
|
break; \
|
|
\
|
|
case 1: /* add c_local */ \
|
|
tr += c_local.rgb.r; \
|
|
tg += c_local.rgb.g; \
|
|
tb += c_local.rgb.b; \
|
|
break; \
|
|
\
|
|
case 2: /* add_alocal */ \
|
|
tr += c_local.rgb.a; \
|
|
tg += c_local.rgb.a; \
|
|
tb += c_local.rgb.a; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* add clocal or alocal to alpha */ \
|
|
if (TEXMODE_TCA_ADD_ACLOCAL(TEXMODE)) \
|
|
ta += c_local.rgb.a; \
|
|
\
|
|
/* clamp */ \
|
|
RESULT.rgb.r = (tr < 0) ? 0 : (tr > 0xff) ? 0xff : tr; \
|
|
RESULT.rgb.g = (tg < 0) ? 0 : (tg > 0xff) ? 0xff : tg; \
|
|
RESULT.rgb.b = (tb < 0) ? 0 : (tb > 0xff) ? 0xff : tb; \
|
|
RESULT.rgb.a = (ta < 0) ? 0 : (ta > 0xff) ? 0xff : ta; \
|
|
\
|
|
/* invert */ \
|
|
if (TEXMODE_TC_INVERT_OUTPUT(TEXMODE)) \
|
|
RESULT.u ^= 0x00ffffff; \
|
|
if (TEXMODE_TCA_INVERT_OUTPUT(TEXMODE)) \
|
|
RESULT.rgb.a ^= 0xff; \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Pixel pipeline macros
|
|
*
|
|
*************************************/
|
|
|
|
#define PIXEL_PIPELINE_BEGIN(VV, STATS, XX, YY, FBZCOLORPATH, FBZMODE, ITERZ, ITERW) \
|
|
do \
|
|
{ \
|
|
Bit32s depthval, wfloat; \
|
|
Bit32s prefogr, prefogg, prefogb; \
|
|
Bit32s r, g, b, a; \
|
|
\
|
|
(STATS)->pixels_in++; \
|
|
\
|
|
/* apply clipping */ \
|
|
/* note that for perf reasons, we assume the caller has done clipping */ \
|
|
\
|
|
/* handle stippling */ \
|
|
if (FBZMODE_ENABLE_STIPPLE(FBZMODE)) \
|
|
{ \
|
|
/* rotate mode */ \
|
|
if (FBZMODE_STIPPLE_PATTERN(FBZMODE) == 0) \
|
|
{ \
|
|
(VV)->reg[stipple].u = ((VV)->reg[stipple].u << 1) | ((VV)->reg[stipple].u >> 31); \
|
|
if (((VV)->reg[stipple].u & 0x80000000) == 0) \
|
|
{ \
|
|
(VV)->stats.total_stippled++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
} \
|
|
\
|
|
/* pattern mode */ \
|
|
else \
|
|
{ \
|
|
int stipple_index = (((YY) & 3) << 3) | (~(XX) & 7); \
|
|
if ((((VV)->reg[stipple].u >> stipple_index) & 1) == 0) \
|
|
{ \
|
|
(VV)->stats.total_stippled++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
} \
|
|
} \
|
|
\
|
|
/* compute "floating point" W value (used for depth and fog) */ \
|
|
if ((ITERW) & BX_CONST64(0xffff00000000)) \
|
|
wfloat = 0x0000; \
|
|
else \
|
|
{ \
|
|
Bit32u temp = (Bit32u)(ITERW); \
|
|
if ((temp & 0xffff0000) == 0) \
|
|
wfloat = 0xffff; \
|
|
else \
|
|
{ \
|
|
int exp = count_leading_zeros(temp); \
|
|
wfloat = ((exp << 12) | ((~temp >> (19 - exp)) & 0xfff)) + 1; \
|
|
} \
|
|
} \
|
|
\
|
|
/* compute depth value (W or Z) for this pixel */ \
|
|
if (FBZMODE_WBUFFER_SELECT(FBZMODE) == 0) \
|
|
CLAMPED_Z(ITERZ, FBZCOLORPATH, depthval); \
|
|
else if (FBZMODE_DEPTH_FLOAT_SELECT(FBZMODE) == 0) \
|
|
depthval = wfloat; \
|
|
else \
|
|
{ \
|
|
if ((ITERZ) & 0xf0000000) \
|
|
depthval = 0x0000; \
|
|
else \
|
|
{ \
|
|
Bit32u temp = (ITERZ) << 4; \
|
|
if ((temp & 0xffff0000) == 0) \
|
|
depthval = 0xffff; \
|
|
else \
|
|
{ \
|
|
int exp = count_leading_zeros(temp); \
|
|
depthval = ((exp << 12) | ((~temp >> (19 - exp)) & 0xfff)) + 1; \
|
|
} \
|
|
} \
|
|
} \
|
|
\
|
|
/* add the bias */ \
|
|
if (FBZMODE_ENABLE_DEPTH_BIAS(FBZMODE)) \
|
|
{ \
|
|
depthval += (Bit16s)(VV)->reg[zaColor].u; \
|
|
CLAMP(depthval, 0, 0xffff); \
|
|
} \
|
|
\
|
|
/* handle depth buffer testing */ \
|
|
if (FBZMODE_ENABLE_DEPTHBUF(FBZMODE)) \
|
|
{ \
|
|
Bit32s depthsource; \
|
|
\
|
|
/* the source depth is either the iterated W/Z+bias or a */ \
|
|
/* constant value */ \
|
|
if (FBZMODE_DEPTH_SOURCE_COMPARE(FBZMODE) == 0) \
|
|
depthsource = depthval; \
|
|
else \
|
|
depthsource = (Bit16u)(VV)->reg[zaColor].u; \
|
|
\
|
|
/* test against the depth buffer */ \
|
|
switch (FBZMODE_DEPTH_FUNCTION(FBZMODE)) \
|
|
{ \
|
|
case 0: /* depthOP = never */ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
\
|
|
case 1: /* depthOP = less than */ \
|
|
if (depthsource >= depth[XX]) \
|
|
{ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 2: /* depthOP = equal */ \
|
|
if (depthsource != depth[XX]) \
|
|
{ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 3: /* depthOP = less than or equal */ \
|
|
if (depthsource > depth[XX]) \
|
|
{ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 4: /* depthOP = greater than */ \
|
|
if (depthsource <= depth[XX]) \
|
|
{ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 5: /* depthOP = not equal */ \
|
|
if (depthsource == depth[XX]) \
|
|
{ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 6: /* depthOP = greater than or equal */ \
|
|
if (depthsource < depth[XX]) \
|
|
{ \
|
|
(STATS)->zfunc_fail++; \
|
|
goto skipdrawdepth; \
|
|
} \
|
|
break; \
|
|
\
|
|
case 7: /* depthOP = always */ \
|
|
break; \
|
|
} \
|
|
}
|
|
|
|
|
|
#define PIXEL_PIPELINE_END(VV, STATS, DITHER, DITHER4, DITHER_LOOKUP, XX, dest, depth, FBZMODE, FBZCOLORPATH, ALPHAMODE, FOGMODE, ITERZ, ITERW, ITERAXXX) \
|
|
\
|
|
/* perform fogging */ \
|
|
prefogr = r; \
|
|
prefogg = g; \
|
|
prefogb = b; \
|
|
APPLY_FOGGING(VV, FOGMODE, FBZCOLORPATH, XX, DITHER4, r, g, b, \
|
|
ITERZ, ITERW, ITERAXXX); \
|
|
\
|
|
/* perform alpha blending */ \
|
|
APPLY_ALPHA_BLEND(FBZMODE, ALPHAMODE, XX, DITHER, r, g, b, a); \
|
|
\
|
|
/* modify the pixel for debugging purposes */ \
|
|
MODIFY_PIXEL(VV); \
|
|
\
|
|
/* write to framebuffer */ \
|
|
if (FBZMODE_RGB_BUFFER_MASK(FBZMODE)) \
|
|
{ \
|
|
/* apply dithering */ \
|
|
APPLY_DITHER(FBZMODE, XX, DITHER_LOOKUP, r, g, b); \
|
|
dest[XX] = (r << 11) | (g << 5) | b; \
|
|
} \
|
|
\
|
|
/* write to aux buffer */ \
|
|
if (depth && FBZMODE_AUX_BUFFER_MASK(FBZMODE)) \
|
|
{ \
|
|
if (FBZMODE_ENABLE_ALPHA_PLANES(FBZMODE) == 0) \
|
|
depth[XX] = depthval; \
|
|
else \
|
|
depth[XX] = a; \
|
|
} \
|
|
\
|
|
/* track pixel writes to the frame buffer regardless of mask */ \
|
|
(STATS)->pixels_out++; \
|
|
\
|
|
skipdrawdepth: \
|
|
; \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Colorpath pipeline macro
|
|
*
|
|
*************************************/
|
|
|
|
/*
|
|
|
|
c_other_is_used:
|
|
|
|
if (FBZMODE_ENABLE_CHROMAKEY(FBZMODE) ||
|
|
FBZCP_CC_ZERO_OTHER(FBZCOLORPATH) == 0)
|
|
|
|
c_local_is_used:
|
|
|
|
if (FBZCP_CC_SUB_CLOCAL(FBZCOLORPATH) ||
|
|
FBZCP_CC_MSELECT(FBZCOLORPATH) == 1 ||
|
|
FBZCP_CC_ADD_ACLOCAL(FBZCOLORPATH) == 1)
|
|
|
|
NEEDS_ITER_RGB:
|
|
|
|
if ((c_other_is_used && FBZCP_CC_RGBSELECT(FBZCOLORPATH) == 0) ||
|
|
(c_local_is_used && (FBZCP_CC_LOCALSELECT_OVERRIDE(FBZCOLORPATH) != 0 || FBZCP_CC_LOCALSELECT(FBZCOLORPATH) == 0))
|
|
|
|
NEEDS_ITER_A:
|
|
|
|
if ((a_other_is_used && FBZCP_CC_ASELECT(FBZCOLORPATH) == 0) ||
|
|
(a_local_is_used && FBZCP_CCA_LOCALSELECT(FBZCOLORPATH) == 0))
|
|
|
|
NEEDS_ITER_Z:
|
|
|
|
if (FBZMODE_WBUFFER_SELECT(FBZMODE) == 0 ||
|
|
FBZMODE_DEPTH_FLOAT_SELECT(FBZMODE) != 0 ||
|
|
FBZCP_CCA_LOCALSELECT(FBZCOLORPATH) == 2)
|
|
|
|
|
|
*/
|
|
|
|
/*
|
|
Expects the following declarations to be outside of this scope:
|
|
|
|
Bit32s r, g, b, a;
|
|
*/
|
|
#define COLORPATH_PIPELINE(VV, STATS, FBZCOLORPATH, FBZMODE, ALPHAMODE, TEXELARGB, ITERZ, ITERW, ITERARGB) \
|
|
do \
|
|
{ \
|
|
Bit32s blendr, blendg, blendb, blenda; \
|
|
rgb_union c_other; \
|
|
rgb_union c_local; \
|
|
\
|
|
/* compute c_other */ \
|
|
switch (FBZCP_CC_RGBSELECT(FBZCOLORPATH)) \
|
|
{ \
|
|
case 0: /* iterated RGB */ \
|
|
c_other.u = ITERARGB.u; \
|
|
break; \
|
|
\
|
|
case 1: /* texture RGB */ \
|
|
c_other.u = TEXELARGB.u; \
|
|
break; \
|
|
\
|
|
case 2: /* color1 RGB */ \
|
|
c_other.u = (VV)->reg[color1].u; \
|
|
break; \
|
|
\
|
|
default: /* reserved */ \
|
|
c_other.u = 0; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* handle chroma key */ \
|
|
APPLY_CHROMAKEY(VV, STATS, FBZMODE, c_other); \
|
|
\
|
|
/* compute a_other */ \
|
|
switch (FBZCP_CC_ASELECT(FBZCOLORPATH)) \
|
|
{ \
|
|
case 0: /* iterated alpha */ \
|
|
c_other.rgb.a = ITERARGB.rgb.a; \
|
|
break; \
|
|
\
|
|
case 1: /* texture alpha */ \
|
|
c_other.rgb.a = TEXELARGB.rgb.a; \
|
|
break; \
|
|
\
|
|
case 2: /* color1 alpha */ \
|
|
c_other.rgb.a = (VV)->reg[color1].rgb.a; \
|
|
break; \
|
|
\
|
|
default: /* reserved */ \
|
|
c_other.rgb.a = 0; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* handle alpha mask */ \
|
|
APPLY_ALPHAMASK(VV, STATS, FBZMODE, c_other.rgb.a); \
|
|
\
|
|
/* handle alpha test */ \
|
|
APPLY_ALPHATEST(VV, STATS, ALPHAMODE, c_other.rgb.a); \
|
|
\
|
|
/* compute c_local */ \
|
|
if (FBZCP_CC_LOCALSELECT_OVERRIDE(FBZCOLORPATH) == 0) \
|
|
{ \
|
|
if (FBZCP_CC_LOCALSELECT(FBZCOLORPATH) == 0) /* iterated RGB */ \
|
|
c_local.u = ITERARGB.u; \
|
|
else /* color0 RGB */ \
|
|
c_local.u = (VV)->reg[color0].u; \
|
|
} \
|
|
else \
|
|
{ \
|
|
if (!(TEXELARGB.rgb.a & 0x80)) /* iterated RGB */ \
|
|
c_local.u = ITERARGB.u; \
|
|
else /* color0 RGB */ \
|
|
c_local.u = (VV)->reg[color0].u; \
|
|
} \
|
|
\
|
|
/* compute a_local */ \
|
|
switch (FBZCP_CCA_LOCALSELECT(FBZCOLORPATH)) \
|
|
{ \
|
|
default: \
|
|
case 0: /* iterated alpha */ \
|
|
c_local.rgb.a = ITERARGB.rgb.a; \
|
|
break; \
|
|
\
|
|
case 1: /* color0 alpha */ \
|
|
c_local.rgb.a = (VV)->reg[color0].rgb.a; \
|
|
break; \
|
|
\
|
|
case 2: /* clamped iterated Z[27:20] */ \
|
|
{ \
|
|
int temp; \
|
|
CLAMPED_Z(ITERZ, FBZCOLORPATH, temp); \
|
|
c_local.rgb.a = (Bit8u)temp; \
|
|
break; \
|
|
} \
|
|
\
|
|
case 3: /* clamped iterated W[39:32] */ \
|
|
{ \
|
|
int temp; \
|
|
CLAMPED_W(ITERW, FBZCOLORPATH, temp); /* Voodoo 2 only */ \
|
|
c_local.rgb.a = (Bit8u)temp; \
|
|
break; \
|
|
} \
|
|
} \
|
|
\
|
|
/* select zero or c_other */ \
|
|
if (FBZCP_CC_ZERO_OTHER(FBZCOLORPATH) == 0) \
|
|
{ \
|
|
r = c_other.rgb.r; \
|
|
g = c_other.rgb.g; \
|
|
b = c_other.rgb.b; \
|
|
} \
|
|
else \
|
|
r = g = b = 0; \
|
|
\
|
|
/* select zero or a_other */ \
|
|
if (FBZCP_CCA_ZERO_OTHER(FBZCOLORPATH) == 0) \
|
|
a = c_other.rgb.a; \
|
|
else \
|
|
a = 0; \
|
|
\
|
|
/* subtract c_local */ \
|
|
if (FBZCP_CC_SUB_CLOCAL(FBZCOLORPATH)) \
|
|
{ \
|
|
r -= c_local.rgb.r; \
|
|
g -= c_local.rgb.g; \
|
|
b -= c_local.rgb.b; \
|
|
} \
|
|
\
|
|
/* subtract a_local */ \
|
|
if (FBZCP_CCA_SUB_CLOCAL(FBZCOLORPATH)) \
|
|
a -= c_local.rgb.a; \
|
|
\
|
|
/* blend RGB */ \
|
|
switch (FBZCP_CC_MSELECT(FBZCOLORPATH)) \
|
|
{ \
|
|
default: /* reserved */ \
|
|
case 0: /* 0 */ \
|
|
blendr = blendg = blendb = 0; \
|
|
break; \
|
|
\
|
|
case 1: /* c_local */ \
|
|
blendr = c_local.rgb.r; \
|
|
blendg = c_local.rgb.g; \
|
|
blendb = c_local.rgb.b; \
|
|
break; \
|
|
\
|
|
case 2: /* a_other */ \
|
|
blendr = blendg = blendb = c_other.rgb.a; \
|
|
break; \
|
|
\
|
|
case 3: /* a_local */ \
|
|
blendr = blendg = blendb = c_local.rgb.a; \
|
|
break; \
|
|
\
|
|
case 4: /* texture alpha */ \
|
|
blendr = blendg = blendb = TEXELARGB.rgb.a; \
|
|
break; \
|
|
\
|
|
case 5: /* texture RGB (Voodoo 2 only) */ \
|
|
blendr = TEXELARGB.rgb.r; \
|
|
blendg = TEXELARGB.rgb.g; \
|
|
blendb = TEXELARGB.rgb.b; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* blend alpha */ \
|
|
switch (FBZCP_CCA_MSELECT(FBZCOLORPATH)) \
|
|
{ \
|
|
default: /* reserved */ \
|
|
case 0: /* 0 */ \
|
|
blenda = 0; \
|
|
break; \
|
|
\
|
|
case 1: /* a_local */ \
|
|
blenda = c_local.rgb.a; \
|
|
break; \
|
|
\
|
|
case 2: /* a_other */ \
|
|
blenda = c_other.rgb.a; \
|
|
break; \
|
|
\
|
|
case 3: /* a_local */ \
|
|
blenda = c_local.rgb.a; \
|
|
break; \
|
|
\
|
|
case 4: /* texture alpha */ \
|
|
blenda = TEXELARGB.rgb.a; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* reverse the RGB blend */ \
|
|
if (!FBZCP_CC_REVERSE_BLEND(FBZCOLORPATH)) \
|
|
{ \
|
|
blendr ^= 0xff; \
|
|
blendg ^= 0xff; \
|
|
blendb ^= 0xff; \
|
|
} \
|
|
\
|
|
/* reverse the alpha blend */ \
|
|
if (!FBZCP_CCA_REVERSE_BLEND(FBZCOLORPATH)) \
|
|
blenda ^= 0xff; \
|
|
\
|
|
/* do the blend */ \
|
|
r = (r * (blendr + 1)) >> 8; \
|
|
g = (g * (blendg + 1)) >> 8; \
|
|
b = (b * (blendb + 1)) >> 8; \
|
|
a = (a * (blenda + 1)) >> 8; \
|
|
\
|
|
/* add clocal or alocal to RGB */ \
|
|
switch (FBZCP_CC_ADD_ACLOCAL(FBZCOLORPATH)) \
|
|
{ \
|
|
case 3: /* reserved */ \
|
|
case 0: /* nothing */ \
|
|
break; \
|
|
\
|
|
case 1: /* add c_local */ \
|
|
r += c_local.rgb.r; \
|
|
g += c_local.rgb.g; \
|
|
b += c_local.rgb.b; \
|
|
break; \
|
|
\
|
|
case 2: /* add_alocal */ \
|
|
r += c_local.rgb.a; \
|
|
g += c_local.rgb.a; \
|
|
b += c_local.rgb.a; \
|
|
break; \
|
|
} \
|
|
\
|
|
/* add clocal or alocal to alpha */ \
|
|
if (FBZCP_CCA_ADD_ACLOCAL(FBZCOLORPATH)) \
|
|
a += c_local.rgb.a; \
|
|
\
|
|
/* clamp */ \
|
|
CLAMP(r, 0x00, 0xff); \
|
|
CLAMP(g, 0x00, 0xff); \
|
|
CLAMP(b, 0x00, 0xff); \
|
|
CLAMP(a, 0x00, 0xff); \
|
|
\
|
|
/* invert */ \
|
|
if (FBZCP_CC_INVERT_OUTPUT(FBZCOLORPATH)) \
|
|
{ \
|
|
r ^= 0xff; \
|
|
g ^= 0xff; \
|
|
b ^= 0xff; \
|
|
} \
|
|
if (FBZCP_CCA_INVERT_OUTPUT(FBZCOLORPATH)) \
|
|
a ^= 0xff; \
|
|
} \
|
|
while (0)
|
|
|
|
|
|
|
|
/*************************************
|
|
*
|
|
* Rasterizer generator macro
|
|
*
|
|
*************************************/
|
|
|
|
#define RASTERIZER(name, TMUS, FBZCOLORPATH, FBZMODE, ALPHAMODE, FOGMODE, TEXMODE0, TEXMODE1) \
|
|
\
|
|
void raster_##name(void *destbase, Bit32s y, const poly_extent *extent, const void *extradata, int threadid) \
|
|
{ \
|
|
const poly_extra_data *extra = (const poly_extra_data *)extradata; \
|
|
voodoo_state *v = extra->state; \
|
|
stats_block *stats = &v->thread_stats[threadid]; \
|
|
DECLARE_DITHER_POINTERS; \
|
|
Bit32s startx = extent->startx; \
|
|
Bit32s stopx = extent->stopx; \
|
|
Bit32s iterr, iterg, iterb, itera; \
|
|
Bit32s iterz; \
|
|
Bit64s iterw, iterw0 = 0, iterw1 = 0; \
|
|
Bit64s iters0 = 0, iters1 = 0; \
|
|
Bit64s itert0 = 0, itert1 = 0; \
|
|
Bit16u *depth; \
|
|
Bit16u *dest; \
|
|
Bit32s dx, dy; \
|
|
Bit32s scry; \
|
|
Bit32s x; \
|
|
\
|
|
/* determine the screen Y */ \
|
|
scry = y; \
|
|
if (FBZMODE_Y_ORIGIN(FBZMODE)) \
|
|
scry = (v->fbi.yorigin - y) & 0x3ff; \
|
|
\
|
|
/* compute dithering */ \
|
|
COMPUTE_DITHER_POINTERS(FBZMODE, y); \
|
|
\
|
|
/* apply clipping */ \
|
|
if (FBZMODE_ENABLE_CLIPPING(FBZMODE)) \
|
|
{ \
|
|
Bit32s tempclip; \
|
|
\
|
|
/* Y clipping buys us the whole scanline */ \
|
|
if (scry < (Bit32s)((v->reg[clipLowYHighY].u >> 16) & 0x3ff) || \
|
|
scry >= (Bit32s)(v->reg[clipLowYHighY].u & 0x3ff)) \
|
|
{ \
|
|
stats->pixels_in += stopx - startx; \
|
|
stats->clip_fail += stopx - startx; \
|
|
return; \
|
|
} \
|
|
\
|
|
/* X clipping */ \
|
|
tempclip = (v->reg[clipLeftRight].u >> 16) & 0x3ff; \
|
|
if (startx < tempclip) \
|
|
{ \
|
|
stats->pixels_in += tempclip - startx; \
|
|
v->stats.total_clipped += tempclip - startx; \
|
|
startx = tempclip; \
|
|
} \
|
|
tempclip = v->reg[clipLeftRight].u & 0x3ff; \
|
|
if (stopx >= tempclip) \
|
|
{ \
|
|
stats->pixels_in += stopx - tempclip; \
|
|
v->stats.total_clipped += stopx - tempclip; \
|
|
stopx = tempclip - 1; \
|
|
} \
|
|
} \
|
|
\
|
|
/* get pointers to the target buffer and depth buffer */ \
|
|
dest = (Bit16u *)destbase + scry * v->fbi.rowpixels; \
|
|
depth = (v->fbi.auxoffs != (Bit32u)~0) ? ((Bit16u *)(v->fbi.ram + v->fbi.auxoffs) + scry * v->fbi.rowpixels) : NULL; \
|
|
\
|
|
/* compute the starting parameters */ \
|
|
dx = startx - (extra->ax >> 4); \
|
|
dy = y - (extra->ay >> 4); \
|
|
iterr = extra->startr + dy * extra->drdy + dx * extra->drdx; \
|
|
iterg = extra->startg + dy * extra->dgdy + dx * extra->dgdx; \
|
|
iterb = extra->startb + dy * extra->dbdy + dx * extra->dbdx; \
|
|
itera = extra->starta + dy * extra->dady + dx * extra->dadx; \
|
|
iterz = extra->startz + dy * extra->dzdy + dx * extra->dzdx; \
|
|
iterw = extra->startw + dy * extra->dwdy + dx * extra->dwdx; \
|
|
if (TMUS >= 1) \
|
|
{ \
|
|
iterw0 = extra->startw0 + dy * extra->dw0dy + dx * extra->dw0dx; \
|
|
iters0 = extra->starts0 + dy * extra->ds0dy + dx * extra->ds0dx; \
|
|
itert0 = extra->startt0 + dy * extra->dt0dy + dx * extra->dt0dx; \
|
|
} \
|
|
if (TMUS >= 2) \
|
|
{ \
|
|
iterw1 = extra->startw1 + dy * extra->dw1dy + dx * extra->dw1dx; \
|
|
iters1 = extra->starts1 + dy * extra->ds1dy + dx * extra->ds1dx; \
|
|
itert1 = extra->startt1 + dy * extra->dt1dy + dx * extra->dt1dx; \
|
|
} \
|
|
\
|
|
/* loop in X */ \
|
|
for (x = startx; x < stopx; x++) \
|
|
{ \
|
|
rgb_union iterargb = { 0 }; \
|
|
rgb_union texel = { 0 }; \
|
|
\
|
|
/* pixel pipeline part 1 handles depth testing and stippling */ \
|
|
PIXEL_PIPELINE_BEGIN(v, stats, x, y, FBZCOLORPATH, FBZMODE, \
|
|
iterz, iterw); \
|
|
\
|
|
/* run the texture pipeline on TMU1 to produce a value in texel */ \
|
|
/* note that they set LOD min to 8 to "disable" a TMU */ \
|
|
if (TMUS >= 2 && v->tmu[1].lodmin < (8 << 8)) \
|
|
TEXTURE_PIPELINE(&v->tmu[1], x, dither4, TEXMODE1, texel, \
|
|
v->tmu[1].lookup, extra->lodbase1, \
|
|
iters1, itert1, iterw1, texel); \
|
|
\
|
|
/* run the texture pipeline on TMU0 to produce a final */ \
|
|
/* result in texel */ \
|
|
/* note that they set LOD min to 8 to "disable" a TMU */ \
|
|
if (TMUS >= 1 && v->tmu[0].lodmin < (8 << 8)) { \
|
|
if (v->send_config==0) \
|
|
TEXTURE_PIPELINE(&v->tmu[0], x, dither4, TEXMODE0, texel, \
|
|
v->tmu[0].lookup, extra->lodbase0, \
|
|
iters0, itert0, iterw0, texel); \
|
|
/* send config data to the frame buffer */ \
|
|
else texel.u=v->tmu_config; \
|
|
} \
|
|
/* colorpath pipeline selects source colors and does blending */ \
|
|
CLAMPED_ARGB(iterr, iterg, iterb, itera, FBZCOLORPATH, iterargb); \
|
|
COLORPATH_PIPELINE(v, stats, FBZCOLORPATH, FBZMODE, ALPHAMODE, texel, \
|
|
iterz, iterw, iterargb); \
|
|
\
|
|
/* pixel pipeline part 2 handles fog, alpha, and final output */ \
|
|
PIXEL_PIPELINE_END(v, stats, dither, dither4, dither_lookup, x, dest, depth, \
|
|
FBZMODE, FBZCOLORPATH, ALPHAMODE, FOGMODE, \
|
|
iterz, iterw, iterargb); \
|
|
\
|
|
/* update the iterated parameters */ \
|
|
iterr += extra->drdx; \
|
|
iterg += extra->dgdx; \
|
|
iterb += extra->dbdx; \
|
|
itera += extra->dadx; \
|
|
iterz += extra->dzdx; \
|
|
iterw += extra->dwdx; \
|
|
if (TMUS >= 1) \
|
|
{ \
|
|
iterw0 += extra->dw0dx; \
|
|
iters0 += extra->ds0dx; \
|
|
itert0 += extra->dt0dx; \
|
|
} \
|
|
if (TMUS >= 2) \
|
|
{ \
|
|
iterw1 += extra->dw1dx; \
|
|
iters1 += extra->ds1dx; \
|
|
itert1 += extra->dt1dx; \
|
|
} \
|
|
} \
|
|
}
|