Attachment 54584 Details for Bug 43964 – PostEffect_Motion_fp.cg file

PostEffect_Motion_fp.cg file

PostEffect_Motion_fp.cg (text/plain), 1.18 KB, created by Laurent carlier on 2011-12-19 15:21:34 UTC

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Creator: Laurent carlier

Created: 2011-12-19 15:21:34 UTC

Size: 1.18 KB

patch

obsolete

>///////////////////////////////////////////////////////
>// MOTION BLUR FRAGMENT PROGRAM 
>// Credits to jonathan for optimization
>///////////////////////////////////////////////////////
>
>
>void main(float4 inPos        : WPOS, //in projection space
>          float4 inVtxPos        :TEX0,
>          float4 inPrevVtxPos    :TEX1,
>                      
>          out float4 oColor : COLOR,
>          
>          uniform samplerRECT screenTex        : TEXUNIT0,
>          uniform float2 halfScreenSize)
>{
>	float2 wpos = inPos.xy;
>	float2 p1 = inVtxPos.xy / inVtxPos.w;
>	float2 p2 = inPrevVtxPos.xy / inPrevVtxPos.w;
>	
>	float2 velocity = (p2 - p1) * halfScreenSize;
>	
>	//Sample into scene texture along motion vector
>	const float samples = min( max( 1, ceil( max( abs( velocity.x ), abs( velocity.y ) ) / 2 ) ), 16 );
>	const fixed w = 1.0 / samples;  // weight
>	const float2 s = velocity / samples; // step
>	fixed4 a = 0;
>	
>	for(float i=0; i<samples; i+=1)
>	{
>		a += texRECT(screenTex, wpos) * w;
>		wpos += s;
>	}
>
>	oColor = a;
>	//oColor.xy = 0.5 + velocity *0.005;
>	//oColor.z = 1;
>
>	//oColor.xyz = (1 + velocity) *0.5;
>	
>	//oColor = texRECT(screenTex, wpos + velocity);
>}

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Attachments on bug 43964: 54582 | 54583 | 54584 | 54960

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