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GPU: Fix warnings in RGB24 shader

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This commit is contained in:
Connor McLaughlin
2019-10-05 14:52:52 +10:00
parent e80775ed82
commit 1998a74ff4
2 changed files with 25 additions and 26 deletions
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47
src/core/gpu_hw.cpp
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@ -405,31 +405,30 @@ void main()
// select the bit for this pixel depending on its offset in the 4-pixel block
uint r, g, b;
switch (xoff & 3)
int block_offset = xoff & 3;
if (block_offset == 0)
{
case 0:
r = s0 & 0xFFu;
g = s0 >> 8;
b = s1 & 0xFFu;
break;
case 1:
r = s1 >> 8;
g = s2 & 0xFFu;
b = s2 >> 8;
break;
case 2:
r = s1 & 0xFFu;
g = s1 >> 8;
b = s2 & 0xFFu;
break;
case 3:
r = s2 >> 8;
g = s3 & 0xFFu;
b = s3 >> 8;
break;
r = s0 & 0xFFu;
g = s0 >> 8;
b = s1 & 0xFFu;
}
else if (block_offset == 1)
{
r = s1 >> 8;
g = s2 & 0xFFu;
b = s2 >> 8;
}
else if (block_offset == 2)
{
r = s1 & 0xFFu;
g = s1 >> 8;
b = s2 & 0xFFu;
}
else
{
r = s2 >> 8;
g = s3 & 0xFFu;
b = s3 >> 8;
}
// and normalize