G3X_AlphaTest


C Specification

#include <nitro/gx/g3x.h>

void G3X_AlphaTest(BOOL enable, int ref);

Description

This function controls the α-test. When enable is not FALSE, the α value of the fragment after texture blending is compared to ref. The fragment is not rendered if it is less than the set value. When enable is FALSE, α testing does not occur.

Arguments

enable Sets whether α-test occurs
ref When the α-test is performed, pixels where α<=ref will not be rendered

Return Values

None

See Also

Revision History

01/19/2004 Initial Version