RaySollium99/libpicofe
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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@2 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2006-12-19 20:53:21 +00:00
commit 720ee7f624
36 changed files with 6740 additions and 0 deletions
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linux/blit.c Normal file
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// Convert 0000bbb0 ggg0rrr0 0000bbb0 ggg0rrr0
// to 00000000 rrr00000 ggg00000 bbb00000 ...
void vidConvCpyRGB32 (void *to, void *from, int pixels)
{
unsigned short *ps = from;
unsigned int *pd = to;
for (; pixels; pixels--, ps++, pd++)
{
*pd = ((*ps<<20)&0xe00000) | ((*ps<<8)&0xe000) | ((*ps>>4)&0xe0);
*pd |= *pd >> 3;
}
}
void vidConvCpyRGB32sh(void *to, void *from, int pixels)
{
unsigned short *ps = from;
unsigned int *pd = to;
for (; pixels; pixels--, ps++, pd++)
{
*pd = ((*ps<<20)&0xe00000) | ((*ps<<8)&0xe000) | ((*ps>>4)&0xe0);
*pd >>= 1;
*pd |= *pd >> 3;
}
}
void vidConvCpyRGB32hi(void *to, void *from, int pixels)
{
unsigned short *ps = from;
unsigned int *pd = to;
for (; pixels; pixels--, ps++, pd++)
{
*pd = ((*ps<<20)&0xe00000) | ((*ps<<8)&0xe000) | ((*ps>>4)&0xe0);
continue;
*pd += 0x00404040;
if (*pd & 0x01000000) *pd |= 0x00e00000;
if (*pd & 0x00010000) *pd |= 0x0000e000;
if (*pd & 0x00000100) *pd |= 0x000000e0;
*pd &= 0x00e0e0e0;
*pd |= *pd >> 3;
}
}
void vidCpyM2_40col(void *dest, void *src)
{
unsigned char *pd = dest, *ps = src;
int i, u;
for (i = 0; i < 224; i++)
{
ps += 8;
for (u = 0; u < 320; u++)
*pd++ = *ps++;
}
}
void vidCpyM2_32col(void *dest, void *src)
{
unsigned char *pd = dest, *ps = src;
int i, u;
for (i = 0; i < 224; i++)
{
ps += 8;
pd += 32;
for (u = 0; u < 256; u++)
*pd++ = *ps++;
ps += 64;
pd += 32;
}
}
void vidCpyM2_32col_nobord(void *dest, void *src)
{
vidCpyM2_32col(dest, src);
}