Blending control

Macros
#define	GX_BL_ZERO   0
#define	GX_BL_ONE   1
#define	GX_BL_SRCCLR   2
#define	GX_BL_INVSRCCLR   3
#define	GX_BL_SRCALPHA   4
#define	GX_BL_INVSRCALPHA   5
#define	GX_BL_DSTALPHA   6
#define	GX_BL_INVDSTALPHA   7
#define	GX_BL_DSTCLR   GX_BL_SRCCLR
#define	GX_BL_INVDSTCLR   GX_BL_INVSRCCLR

Detailed Description

Each pixel (source or destination) is multiplied by any of these controls.

Macro Definition Documentation

GX_BL_DSTALPHA

#define GX_BL_DSTALPHA   6

framebuffer alpha

GX_BL_DSTCLR

#define GX_BL_DSTCLR   GX_BL_SRCCLR

GX_BL_INVDSTALPHA

#define GX_BL_INVDSTALPHA   7

1.0 - (FB alpha)

GX_BL_INVDSTCLR

#define GX_BL_INVDSTCLR   GX_BL_INVSRCCLR

GX_BL_INVSRCALPHA

#define GX_BL_INVSRCALPHA   5

1.0 - (source alpha)

GX_BL_INVSRCCLR

#define GX_BL_INVSRCCLR   3

1.0 - (source color)

GX_BL_ONE

#define GX_BL_ONE   1

1.0

GX_BL_SRCALPHA

#define GX_BL_SRCALPHA   4

source alpha

GX_BL_SRCCLR

#define GX_BL_SRCCLR   2

source color

GX_BL_ZERO

#define GX_BL_ZERO   0

0.0