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added COLOR32 structure (for those like me converting colors :))

This commit is contained in:
damdoum 2007-01-10 08:58:35 +00:00
parent f05310c559
commit 1b06735f17
1 changed files with 34 additions and 2 deletions
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36
desmume/src/GPU.h
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@ -90,11 +90,11 @@ typedef union
} DISPCNT;
#define BGxENABLED(cnt,num) ((num<8)? ((cnt.integer>>8) & num):0)
struct _COLOR {
struct _COLOR { // abgr x555
unsigned red:5;
unsigned green:5;
unsigned blue:5;
unsigned alpha:1; // sometimes it is unused
unsigned alpha:1; // sometimes it is unused (pad)
};
typedef union
@ -103,6 +103,38 @@ typedef union
u16 val;
} COLOR;
struct _COLOR32 { // ARGB
unsigned :3;
unsigned blue:5;
unsigned :3;
unsigned green:5;
unsigned :3;
unsigned red:5;
unsigned :7;
unsigned alpha:1; // sometimes it is unused (pad)
};
typedef union
{
struct _COLOR32 bitfield;
u32 val;
} COLOR32;
#define COLOR_16_32(w,i) \
/* doesnt matter who's 16bit who's 32bit */ \
i.bitfield.red = w.bitfield.red; \
i.bitfield.green = w.bitfield.green; \
i.bitfield.blue = w.bitfield.blue; \
i.bitfield.alpha = w.bitfield.alpha;
typedef union
{
struct _COLOR bitfield;
u16 val;
} COLOR;
struct _BGxCNT
{