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p96_blit.cpp
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p96_blit.cpp
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#if BLT_SIZE == 3
static void NOINLINE BLT_NAME (unsigned int w, unsigned int h, uae_u8 *src, uae_u8 *dst, int srcpitch, int dstpitch)
{
uae_u8 *src2 = src;
uae_u8 *dst2 = dst;
uae_u32 *src2_32 = (uae_u32*)src;
uae_u32 *dst2_32 = (uae_u32*)dst;
unsigned int y, x, ww, xxd;
#ifdef BLT_TEMP
uae_u32 tmp;
#endif
w *= BLT_SIZE;
ww = w / 4;
xxd = w - (ww * 4);
for(y = 0; y < h; y++) {
uae_u8 *src_8;
uae_u8 *dst_8;
uae_u32 *src_32 = (uae_u32*)src2;
uae_u32 *dst_32 = (uae_u32*)dst2;
for (x = 0; x < ww; x++) {
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
}
src_8 = (uae_u8*)src_32;
dst_8 = (uae_u8*)dst_32;
for (x = 0; x < xxd; x++) {
BLT_FUNC (src_8, dst_8);
src_8++;
dst_8++;
}
dst2 += dstpitch;
src2 += srcpitch;
}
}
#else
static void NOINLINE BLT_NAME (unsigned int w, unsigned int h, uae_u8 *src, uae_u8 *dst, int srcpitch, int dstpitch)
{
uae_u8 *src2 = src;
uae_u8 *dst2 = dst;
uae_u32 *src2_32 = (uae_u32*)src;
uae_u32 *dst2_32 = (uae_u32*)dst;
unsigned int y, x, ww, xxd;
#ifdef BLT_TEMP
#if BLT_SIZE == 4
uae_u32 tmp;
#elif BLT_SIZE == 2
uae_u16 tmp;
#else
uae_u8 tmp;
#endif
#endif
if (w < 8 * BLT_MULT) {
ww = w / BLT_MULT;
for(y = 0; y < h; y++) {
uae_u32 *src_32 = (uae_u32*)src2;
uae_u32 *dst_32 = (uae_u32*)dst2;
for (x = 0; x < ww; x++) {
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
}
#if BLT_SIZE == 2
if (w & 1) {
uae_u16 *src_16 = (uae_u16*)src_32;
uae_u16 *dst_16 = (uae_u16*)dst_32;
BLT_FUNC (src_16, dst_16);
}
#elif BLT_SIZE == 1
{
int wb = w & 3;
uae_u8 *src_8 = (uae_u8*)src_32;
uae_u8 *dst_8 = (uae_u8*)dst_32;
while (wb--) {
BLT_FUNC (src_8, dst_8);
src_8++;
dst_8++;
}
}
#endif
dst2 += dstpitch;
src2 += srcpitch;
}
return;
}
ww = w / (8 * BLT_MULT);
xxd = (w - ww * (8 * BLT_MULT)) / BLT_MULT;
for(y = 0; y < h; y++) {
uae_u32 *src_32 = (uae_u32*)src2;
uae_u32 *dst_32 = (uae_u32*)dst2;
for (x = 0; x < ww; x++) {
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
}
for (x = 0; x < xxd; x++) {
BLT_FUNC (src_32, dst_32);
src_32++; dst_32++;
}
#if BLT_SIZE == 2
if (w & 1) {
uae_u16 *src_16 = (uae_u16*)src_32;
uae_u16 *dst_16 = (uae_u16*)dst_32;
BLT_FUNC (src_16, dst_16);
}
#elif BLT_SIZE == 1
{
int wb = w & 3;
uae_u8 *src_8 = (uae_u8*)src_32;
uae_u8 *dst_8 = (uae_u8*)dst_32;
while (wb--) {
BLT_FUNC (src_8, dst_8);
src_8++;
dst_8++;
}
}
#endif
dst2 += dstpitch;
src2 += srcpitch;
}
}
#endif
#undef BLT_NAME
#undef BLT_FUNC
#ifdef BLT_TEMP
#undef BLT_TEMP
#endif