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camera: fix x-flip crustiness

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This commit is contained in:
Arisotura
2022-10-02 18:44:47 +02:00
parent 3f4573574a
commit af9a77b0b4
2 changed files with 45 additions and 14 deletions
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27
src/DSi_Camera.cpp
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@ -505,16 +505,29 @@ int Camera::TransferScanline(u32* buffer, int maxlen)
if (FrameReadMode & (1<<1))
sy = 479 - sy;
for (int dx = 0; dx < retlen; dx++)
if (FrameReadMode & (1<<0))
{
if (dx >= maxlen) break;
for (int dx = 0; dx < retlen; dx++)
{
if (dx >= maxlen) break;
int sx = (dx * 640) / FrameWidth;
if (!(FrameReadMode & (1<<0)))
sx = 639 - sx;
int sx = (dx * 640) / FrameWidth;
u32 pixel3 = FrameBuffer[sy*320 + sx];
buffer[dx] = pixel3;
u32 val = FrameBuffer[sy*320 + sx];
buffer[dx] = val;
}
}
else
{
for (int dx = 0; dx < retlen; dx++)
{
if (dx >= maxlen) break;
int sx = 638 - ((dx * 640) / FrameWidth);
u32 val = FrameBuffer[sy*320 + sx];
buffer[dx] = (val & 0xFF00FF00) | ((val >> 16) & 0xFF) | ((val & 0xFF) << 16);
}
}
TransferY++;