deinterlace (blend).psh

vc＋＋环境下的暴风影音到源代码

sampler s0 : register(s0);
float4 p0 : register(c0);
float4 p1 : register(c1);

#define width (p0[0])
#define height (p0[1])
#define counter (p0[2])
#define clock (p0[3])
#define one_over_width (p1[0])
#define one_over_height (p1[1])

#define PI acos(-1)

float4 main(float2 tex : TEXCOORD0) : COLOR
{
	float4 c0 = tex2D(s0, tex);
	
	float2 h = float2(0, 1/height);
	float4 c1 = tex2D(s0, tex-h);
	float4 c2 = tex2D(s0, tex+h);
	c0 = (c0*2+c1+c2)/4;
	
	return c0;
}