ShuriZma
/
snes9x
mirror of https://github.com/snes9xgit/snes9x.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Lua: use safer 16-bit color decomposition *cough*

This commit is contained in:
gocha 2012-08-12 19:34:47 +09:00
parent 82d02837d7
commit 476f5e50a8
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lua-engine.cpp
View File

@ -3461,9 +3461,11 @@ static FORCEINLINE uint8 CalcBlend8(uint8 dst, uint8 src, uint8 alpha)
static FORCEINLINE void ParseColor16(uint8 *src, uint8 *r, uint8 *g, uint8 *b, uint8 *a)
{
uint16 color = *(uint16*)src;
*b = ( color & 31) << 3;
*g = ((color >> 5) & 63) << 2;
*r = ((color >> 11) & 31) << 3;
uint32 rv, gv, bv;
DECOMPOSE_PIXEL(color, rv, gv, bv);
*b = bv << 3;
*g = gv << 3;
*r = rv << 3;
if (a != NULL)
*a = 255;
}
@ -3488,7 +3490,7 @@ static FORCEINLINE void ParseColor32(uint8 *src, uint8 *r, uint8 *g, uint8 *b, u
static FORCEINLINE void WriteColor16(uint8 *dst, uint8 r, uint8 g, uint8 b)
{
*(uint16*)dst = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
*(uint16*)dst = BUILD_PIXEL(r >> 3, g >> 3, b >> 3);
}
static FORCEINLINE void WriteColor24(uint8 *dst, uint8 r, uint8 g, uint8 b)