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Nebula: 64bit fix.

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The code is written with 32-bit in mind, but "long" isn't always that
size.

Should fix #13604.
This commit is contained in:
Adrien Destugues 2017-07-16 08:10:08 +02:00
parent 0c7d258bb3
commit 971c5704d5
1 changed files with 4 additions and 4 deletions
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8
src/add-ons/screen_savers/nebula/Draw.c
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@ -65,15 +65,14 @@ void mblur(char* srcParam, int nbpixels)
{
unsigned int clear1UpperBit = 0x7f7f7f7f;
unsigned int clear3UpperBits = 0x1f1f1f1f;
unsigned long* src = (unsigned long*)srcParam;
unsigned int* src = (unsigned int*)srcParam;
if ((nbpixels >>= 2) == 0)
return;
do {
long eax, ebx;
unsigned int eax, ebx;
eax = *src;
src++;
ebx = eax;
eax >>= 1;
@ -84,6 +83,7 @@ void mblur(char* srcParam, int nbpixels)
ebx &= clear3UpperBits;
eax += ebx;
src[-1] = eax;
*src = eax;
src++;
} while (--nbpixels != 0);
}