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scale screen gap

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also moar optimization...
This commit is contained in:
Arisotura
2019-05-11 01:46:38 +02:00
parent 44e1593e1f
commit 858c0eecb9
2 changed files with 14 additions and 11 deletions
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12
src/GPU2D.cpp
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@ -773,16 +773,16 @@ void GPU2D::DrawScanline(u32 line)
// convert to 32-bit BGRA
// note: 32-bit RGBA would be more straightforward, but
// BGRA seems to be more compatible (Direct2D soft, cairo...)
for (int i = 0; i < LineStride; i++)
for (int i = 0; i < LineStride; i+=2)
{
u32 c = dst[i];
u64 c = *(u64*)&dst[i];
u32 r = c << 18;
u32 g = (c << 2) & 0xFC00;
u32 b = (c >> 14) & 0xFC;
u64 r = (c << 18) & 0xFC000000FC0000;
u64 g = (c << 2) & 0xFC000000FC00;
u64 b = (c >> 14) & 0xFC000000FC;
c = r | g | b;
dst[i] = c | ((c & 0x00C0C0C0) >> 6) | 0xFF000000;
*(u64*)&dst[i] = c | ((c & 0x00C0C0C000C0C0C0) >> 6) | 0xFF000000FF000000;
}
}