ClassiCube/misc/vita/textured_alpha_f.cg

float4 main
(
	uniform sampler2D tex,
	float4 out_color    : COLOR,
	float2 out_texcoord : TEXCOORD0
) : COLOR
{
	float4 color = tex2D(tex, out_texcoord) * out_color;
	
	if (color.a < 0.5) discard;
	return color;
}