X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2F32x%2Fdraw.c;h=e20238e4dacb13d1c36b1c52c0944d541ef1616c;hb=99bdfd31b8708f8059fbc16ec8be90cb8d7c8bc3;hp=48908d8335efda380f8a031d62a108f3d1cfc8a6;hpb=7a961c19baab782879b7428e9a467113603b31c1;p=picodrive.git diff --git a/pico/32x/draw.c b/pico/32x/draw.c index 48908d8..e20238e 100644 --- a/pico/32x/draw.c +++ b/pico/32x/draw.c @@ -1,3 +1,10 @@ +/* + * PicoDrive + * (C) notaz, 2009,2010 + * + * This work is licensed under the terms of MAME license. + * See COPYING file in the top-level directory. + */ #include "../pico_int.h" int (*PicoScan32xBegin)(unsigned int num); @@ -36,7 +43,7 @@ static void convert_pal555(int invert_prio) \ for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \ unsigned short t = *p32x; \ - if (*pmd != mdbg && !((t ^ inv) & 0x8000)) { \ + if ((*pmd & 0x3f) != mdbg && !((t ^ inv) & 0x8000)) { \ pmd_draw_code; \ continue; \ } \ @@ -52,7 +59,7 @@ static void convert_pal555(int invert_prio) int i; \ for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \ t = pal[*(unsigned char *)((long)p32x ^ 1)]; \ - if ((t & 0x20) || *pmd == mdbg) \ + if ((t & 0x20) || (*pmd & 0x3f) == mdbg) \ *pd = t; \ else \ pmd_draw_code; \ @@ -67,7 +74,7 @@ static void convert_pal555(int invert_prio) for (i = 320; i > 0; p32x++) { \ t = pal[*p32x & 0xff]; \ for (len = (*p32x >> 8) + 1; len > 0 && i > 0; len--, i--, pd++, pmd++) { \ - if (*pmd == mdbg || (t & 0x20)) \ + if ((*pmd & 0x3f) == mdbg || (t & 0x20)) \ *pd = t; \ else \ pmd_draw_code; \ @@ -75,15 +82,16 @@ static void convert_pal555(int invert_prio) } \ } -void FinalizeLine32xRGB555(int sh, int line) +// this is almost never used (Wiz and menu bg gen only) +void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est) { - unsigned short *pd = DrawLineDest; + unsigned short *pd = est->DrawLineDest; unsigned short *pal = Pico32xMem->pal_native; - unsigned char *pmd = HighCol + 8; + unsigned char *pmd = est->HighCol + 8; unsigned short *dram, *p32x; unsigned char mdbg; - FinalizeLine555(sh, line); + FinalizeLine555(sh, line, est); if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0 || // 32x blanking // XXX: how is 32col mode hadled by real hardware? @@ -122,7 +130,7 @@ void FinalizeLine32xRGB555(int sh, int line) #define PICOSCAN_PRE \ PicoScan32xBegin(l + (lines_sft_offs & 0xff)); \ - dst = DrawLineDest; \ + dst = Pico.est.DrawLineDest; \ #define PICOSCAN_POST \ PicoScan32xEnd(l + (lines_sft_offs & 0xff)); \ @@ -220,7 +228,7 @@ void PicoDraw32xLayer(int offs, int lines, int md_bg) int lines_sft_offs; int which_func; - DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement; + Pico.est.DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement; dram = Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS]; if (Pico32xDrawMode == PDM32X_BOTH) { @@ -258,7 +266,7 @@ do_it: if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT) lines_sft_offs |= 1 << 8; - do_loop[which_func](DrawLineDest, dram, lines_sft_offs, md_bg); + do_loop[which_func](Pico.est.DrawLineDest, dram, lines_sft_offs, md_bg); } // mostly unused, games tend to keep 32X layer on @@ -284,7 +292,7 @@ void PicoDraw32xLayerMdOnly(int offs, int lines) for (l = 0; l < lines; l++) { if (have_scan) { PicoScan32xBegin(l + offs); - dst = DrawLineDest + poffs; + dst = Pico.est.DrawLineDest + poffs; } for (p = 0; p < plen; p += 4) { dst[p + 0] = pal[*pmd++]; @@ -299,20 +307,23 @@ void PicoDraw32xLayerMdOnly(int offs, int lines) } } -void PicoDraw32xSetFrameMode(int is_on, int only_32x) +void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode) { #ifdef _ASM_32X_DRAW extern void *Pico32xNativePal; Pico32xNativePal = Pico32xMem->pal_native; #endif - if (is_on) { - // use the same layout as alt renderer - PicoDrawSetInternalBuf(PicoDraw2FB + 328*8, 328); - Pico32xDrawMode = only_32x ? PDM32X_32X_ONLY : PDM32X_BOTH; - } else { + if (which == PDF_RGB555 && use_32x_line_mode) { + // we'll draw via FinalizeLine32xRGB555 (rare) PicoDrawSetInternalBuf(NULL, 0); Pico32xDrawMode = PDM32X_OFF; + return; } + + // use the same layout as alt renderer + PicoDrawSetInternalBuf(PicoDraw2FB, 328); + Pico32xDrawMode = (which == PDF_RGB555) ? PDM32X_32X_ONLY : PDM32X_BOTH; } +// vim:shiftwidth=2:ts=2:expandtab