Inside Macintosh: Apple Game Sprockets Guide /

Chapter 2 - DrawSprocket / DrawSprocket Reference

Constants

Depth Masks

You provide a depth mask in the backBufferDepthMask and displayDepthMask fields of the context attributes structure to specify the pixel depths that are acceptable to your program. You can construct the mask from the constants defined by the following enumeration:

enum DSpDepthMask {
   kDSpDepthMask_1         = 1U<<0,
   kDSpDepthMask_2         = 1U<<1,
   kDSpDepthMask_4         = 1U<<2,
   kDSpDepthMask_8         = 1U<<3,
   kDSpDepthMask_16        = 1U<<4,
   kDSpDepthMask_32        = 1U<<5,
   kDSpDepthMask_All       = ~0U
};

typedef enum DSpDepthMask DSpDepthMask;

Constant descriptions

kDSpDepthMask_1

1-bit pixel depth is acceptable.

kDSpDepthMask_2

2-bit pixel depth is acceptable.

kDSpDepthMask_4

4-bit pixel depth is acceptable.

kDSpDepthMask_8

8-bit pixel depth is acceptable.

kDSpDepthMask_16

16-bit pixel depth is acceptable.

kDSpDepthMask_32

32-bit pixel depth is acceptable.

kDSpDepthMask_All

Any pixel depth is acceptable.