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new 32x renderers, auto fskip change, massive refactoring

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@855 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-01-10 17:07:28 +00:00
parent 9bb5d91c48
commit 5a68108691
35 changed files with 925 additions and 307 deletions
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91
pico/draw.c
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@ -34,14 +34,15 @@
int (*PicoScanBegin)(unsigned int num) = NULL;
int (*PicoScanEnd) (unsigned int num) = NULL;
#if OVERRIDE_HIGHCOL
static unsigned char DefHighCol[8+320+8];
unsigned char *HighCol=DefHighCol;
#else
unsigned char HighCol[8+320+8];
#endif
unsigned char *HighCol = DefHighCol;
static unsigned char *HighColBase = DefHighCol;
static int HighColIncrement;
static unsigned int DefOutBuff[320*2/2];
void *DrawLineDest=DefOutBuff; // pointer to dest buffer where to draw this line to
void *DrawLineDest = DefOutBuff; // pointer to dest buffer where to draw this line to
void *DrawLineDestBase = DefOutBuff;
int DrawLineDestIncrement;
static int HighCacheA[41+1]; // caches for high layers
static int HighCacheB[41+1];
@ -1193,6 +1194,7 @@ void PicoDoHighPal555(int sh)
}
}
#if 0
static void FinalizeLineBGR444(int sh, int line)
{
unsigned short *pd=DrawLineDest;
@ -1229,9 +1231,10 @@ static void FinalizeLineBGR444(int sh, int line)
for(i = 0; i < len; i++)
pd[i] = pal[ps[i] & mask];
}
#endif
void FinalizeLineRGB555(int sh, int line)
void FinalizeLine555(int sh, int line)
{
unsigned short *pd=DrawLineDest;
unsigned char *ps=HighCol+8;
@ -1405,7 +1408,7 @@ static int DrawDisplay(int sh)
// MUST be called every frame
PICO_INTERNAL void PicoFrameStart(void)
{
int lines = 224;
int offs = 8, lines = 224;
// prepare to do this frame
rendstatus = 0;
@ -1413,9 +1416,13 @@ PICO_INTERNAL void PicoFrameStart(void)
rendstatus |= PDRAW_INTERLACE; // interlace mode
if (!(Pico.video.reg[12] & 1))
rendstatus |= PDRAW_32_COLS;
if (Pico.video.reg[1] & 8)
if (Pico.video.reg[1] & 8) {
offs = 0;
lines = 240;
}
HighCol = HighColBase;
DrawLineDest = (char *)DrawLineDestBase + offs * DrawLineDestIncrement;
DrawScanline = 0;
skip_next_line = 0;
@ -1477,6 +1484,9 @@ static void PicoLine(int line, int offs, int sh, int bgc)
if (PicoScanEnd != NULL)
skip_next_line = PicoScanEnd(line + offs);
HighCol += HighColIncrement;
DrawLineDest = (char *)DrawLineDest + DrawLineDestIncrement;
}
void PicoDrawSync(int to, int blank_last_line)
@ -1490,10 +1500,6 @@ void PicoDrawSync(int to, int blank_last_line)
if (rendlines != 240)
offs = 8;
// need to know which pixels are bg for 32x
if (PicoAHW & PAHW_32X)
bgc = 0;
for (line = DrawScanline; line < to; line++)
{
#if !CAN_HANDLE_240_LINES
@ -1522,20 +1528,59 @@ void PicoDrawSync(int to, int blank_last_line)
pprof_end(draw);
}
void PicoDrawSetColorFormat(int which)
// also works for fast renderer
void PicoDrawUpdateHighPal(void)
{
int sh = (Pico.video.reg[0xC] & 8) >> 3; // shadow/hilight?
if (PicoOpt & POPT_ALT_RENDERER)
sh = 0; // no s/h support
PicoDoHighPal555(sh);
if (rendstatus & PDRAW_SONIC_MODE) {
// FIXME?
memcpy(HighPal + 0x40, HighPal, 0x40*2);
memcpy(HighPal + 0x80, HighPal, 0x40*2);
}
}
void PicoDrawSetOutFormat(pdso_t which, int allow_32x)
{
switch (which)
{
case 2: FinalizeLine = FinalizeLine8bit; break;
case 1: FinalizeLine = (PicoAHW & PAHW_32X) ? FinalizeLine32xRGB555 : FinalizeLineRGB555; break;
case 0: FinalizeLine = FinalizeLineBGR444; break;
default:FinalizeLine = NULL; break;
case PDF_8BIT:
FinalizeLine = FinalizeLine8bit;
break;
case PDF_RGB555:
if ((PicoAHW & PAHW_32X) && allow_32x)
FinalizeLine = FinalizeLine32xRGB555;
else
FinalizeLine = FinalizeLine555;
break;
default:
FinalizeLine = NULL;
break;
}
PicoDrawSetColorFormatMode4(which);
PicoDrawSetOutputMode4(which);
rendstatus_old = -1;
#if OVERRIDE_HIGHCOL
if (which)
HighCol=DefHighCol;
#endif
}
void PicoDrawSetOutBuf(void *dest, int increment)
{
DrawLineDestBase = dest;
DrawLineDestIncrement = increment;
}
void PicoDrawSetInternalBuf(void *dest, int increment)
{
if (dest != NULL) {
HighColBase = dest;
HighColIncrement = increment;
}
else {
HighColBase = DefHighCol;
HighColIncrement = 0;
}
}