gsMisc.c

//  ____     ___ |    / _____ _____
// |  __    |    |___/    |     |
// |___| ___|    |    \ __|__   |     gsKit Open Source Project.
// ----------------------------------------------------------------------
// Copyright 2004 - Chris "Neovanglist" Gilbert <Neovanglist@LainOS.org>
// Licenced under Academic Free License version 2.0
// Review gsKit README & LICENSE files for further details.
//
// gsMisc.c - Miscellaneous Helper Routines
//
 
#include "gsKit.h"
 
void gsKit_setup_tbw(GSTEXTURE *Texture)
{
    if(Texture->PSM == GS_PSM_T8 || Texture->PSM == GS_PSM_T4)
    {
        Texture->TBW = (-GS_VRAM_TBWALIGN_CLUT)&(Texture->Width+GS_VRAM_TBWALIGN_CLUT-1);
        if(Texture->TBW / 64 > 0)
            Texture->TBW = (Texture->TBW / 64);
        else
            Texture->TBW = 1;
    }
    else
    {
        Texture->TBW = (-GS_VRAM_TBWALIGN)&(Texture->Width+GS_VRAM_TBWALIGN-1);
        if(Texture->TBW / 64 > 0)
            Texture->TBW = (Texture->TBW / 64);
        else
            Texture->TBW = 1;
    }
}
 
void gsKit_vram_dump(GSGLOBAL *gsGlobal, char *Path, u32 StartAddr, u32 EndAddr)
{
#if 0
    u64* p_store;
    u64* p_data;
    u32* p_mem;
    int packets;
    int remain;
    int qwc;
    int Size;
 
    printf("THIS IS NOT DONE YET!\n");
 
    return 0;
 
    StartAddr = (-GS_VRAM_BLOCKSIZE)&(StartAddr+GS_VRAM_BLOCKSIZE-1);
    EndAddr = (-GS_VRAM_BLOCKSIZE)&(EndAddr+GS_VRAM_BLOCKSIZE-1);
 
    Size = EndAddr - StartAddr;
 
    qwc = Size / 16;
    if( Size % 16 )
    {
#ifdef DEBUG
        printf("Uneven division of quad word count from VRAM alloc. Rounding up QWC.\n");
#endif
        qwc++;
    }
 
    packets = qwc / DMA_MAX_SIZE;
    remain  = qwc % DMA_MAX_SIZE;
 
    p_store = p_data = dmaKit_spr_alloc( 7 * 16 );
 
    FlushCache(0);
 
    // DMA DATA
    *p_data++ = DMA_TAG( 6, 0, DMA_CNT, 0, 0, 0 );
    *p_data++ = 0;
 
    *p_data++ = GIF_TAG( 5, 1, 0, 0, GSKIT_GIF_FLG_PACKED, 1 );
    *p_data++ = GIF_AD;
 
    *p_data++ = GS_SETREG_BITBLTBUF(StartAddr / 64, (4095.9375 / 64), 0, 0, 0, 0);
    *p_data++ = GS_BITBLTBUF;
 
    *p_data++ = GS_SETREG_TRXPOS(0, 0, 0, 0, 0);
    *p_data++ = GS_TRXPOS;
 
    *p_data++ = GS_SETREG_TRXREG(4095.9375, 4095.9375);
    *p_data++ = GS_TRXREG;
 
    *p_data++ = 0;
    *p_data++ = GS_FINISH;
 
    *p_data++ = GS_SETREG_TRXDIR(1);
    *p_data++ = GS_TRXDIR;
 
    dmaKit_send_spr( DMA_CHANNEL_GIF, 0, p_store, 7 );
 
    while(GS_CSR_FINISH != 1);
 
    GS_SETREG_CSR_FINISH(1);
 
    FlushCache(0);
 
    GS_SETREG_BUSDIR(1);
#endif
}