RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 07:17:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

32x: packed pixel mode (works over 68k)

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@773 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-12 21:54:46 +00:00
parent be2c420828
commit 974fdb5bfd
15 changed files with 330 additions and 91 deletions
Download patch file Download diff file Expand all files Collapse all files

41
pico/draw.c
View file

@ -78,7 +78,7 @@ void DrawAllSprites(unsigned char *sprited, int prio, int sh);
void DrawTilesFromCache(int *hc, int sh, int rlim);
void DrawSpritesSHi(unsigned char *sprited);
void DrawLayer(int plane_sh, int *hcache, int cellskip, int maxcells);
void FinalizeLineBGR444(int sh);
void FinalizeLineBGR444(int sh, int line);
void *blockcpy(void *dst, const void *src, size_t n);
void blockcpy_or(void *dst, void *src, size_t n, int pat);
#else
@ -1192,7 +1192,7 @@ void PicoDoHighPal555(int sh)
}
}
static void FinalizeLineBGR444(int sh)
static void FinalizeLineBGR444(int sh, int line)
{
unsigned short *pd=DrawLineDest;
unsigned char *ps=HighCol+8;
@ -1230,7 +1230,7 @@ static void FinalizeLineBGR444(int sh)
}
void FinalizeLineRGB555(int sh)
void FinalizeLineRGB555(int sh, int line)
{
unsigned short *pd=DrawLineDest;
unsigned char *ps=HighCol+8;
@ -1266,7 +1266,7 @@ void FinalizeLineRGB555(int sh)
}
#endif
static void FinalizeLine8bit(int sh)
static void FinalizeLine8bit(int sh, int line)
{
unsigned char *pd = DrawLineDest;
int len, rs = rendstatus;
@ -1306,7 +1306,7 @@ static void FinalizeLine8bit(int sh)
}
}
static void (*FinalizeLine)(int sh);
static void (*FinalizeLine)(int sh, int line);
// --------------------------------------------
@ -1429,43 +1429,38 @@ PICO_INTERNAL void PicoFrameStart(void)
PrepareSprites(1);
}
static void DrawBlankedLine(int line, int offs)
static void DrawBlankedLine(int line, int offs, int sh, int bgc)
{
int sh = (Pico.video.reg[0xC]&8)>>3; // shadow/hilight?
if (PicoScanBegin != NULL)
PicoScanBegin(line + offs);
BackFill(Pico.video.reg[7], sh);
BackFill(bgc, sh);
if (FinalizeLine != NULL)
FinalizeLine(sh);
FinalizeLine(sh, line);
if (PicoScanEnd != NULL)
PicoScanEnd(line + offs);
}
static void PicoLine(int line, int offs)
static void PicoLine(int line, int offs, int sh, int bgc)
{
int sh;
if (skip_next_line > 0) {
skip_next_line--;
return;
}
sh=(Pico.video.reg[0xC]&8)>>3; // shadow/hilight?
DrawScanline = line;
if (PicoScanBegin != NULL)
skip_next_line = PicoScanBegin(line + offs);
// Draw screen:
BackFill(Pico.video.reg[7], sh);
BackFill(bgc, sh);
if (Pico.video.reg[1]&0x40)
DrawDisplay(sh);
if (FinalizeLine != NULL)
FinalizeLine(sh);
FinalizeLine(sh, line);
if (PicoScanEnd != NULL)
skip_next_line = PicoScanEnd(line + offs);
@ -1474,16 +1469,22 @@ static void PicoLine(int line, int offs)
void PicoDrawSync(int to, int blank_last_line)
{
int line, offs = 0;
int sh = (Pico.video.reg[0xC] & 8) >> 3; // shadow/hilight?
int bgc = Pico.video.reg[7];
if (!(rendstatus & PDRAW_240LINES))
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
if (line >= 224) break;
#endif
PicoLine(line, offs);
PicoLine(line, offs, sh, bgc);
}
#if !CAN_HANDLE_240_LINES
@ -1497,8 +1498,8 @@ void PicoDrawSync(int to, int blank_last_line)
if (line <= to)
{
if (blank_last_line)
DrawBlankedLine(line, offs);
else PicoLine(line, offs);
DrawBlankedLine(line, offs, sh, bgc);
else PicoLine(line, offs, sh, bgc);
line++;
}
DrawScanline = line;
@ -1509,7 +1510,7 @@ void PicoDrawSetColorFormat(int which)
switch (which)
{
case 2: FinalizeLine = FinalizeLine8bit; break;
case 1: FinalizeLine = FinalizeLineRGB555; break;
case 1: FinalizeLine = (PicoAHW & PAHW_32X) ? FinalizeLine32xRGB555 : FinalizeLineRGB555; break;
case 0: FinalizeLine = FinalizeLineBGR444; break;
default:FinalizeLine = NULL; break;
}