simple-motion-blur.shader

uniform float4x4 ViewProj;
uniform texture2d image;
uniform texture2d image_1;
uniform texture2d image_2;
uniform texture2d image_3;
uniform texture2d image_4;
uniform texture2d image_5;
uniform texture2d image_6;
uniform texture2d image_7;

uniform float2 elapsed_time;
uniform float2 uv_offset;
uniform float2 uv_scale;
uniform float2 uv_pixel_interval;

sampler_state textureSampler {
	Filter    = Linear;
	AddressU  = Border;
	AddressV  = Border;
	BorderColor = 00000000;
};

struct VertData {
	float4 pos : POSITION;
	float2 uv  : TEXCOORD0;
};

struct ColorData {
	float4 color_0 : SV_Target0;
	float4 color_1 : SV_Target1;
	float4 color_2 : SV_Target2;
	float4 color_3 : SV_Target3;
	float4 color_4 : SV_Target4;
	float4 color_5 : SV_Target5;
	float4 color_6 : SV_Target6;
	float4 color_7 : SV_Target7;
};

VertData mainTransform(VertData v_in)
{
	VertData vert_out;
	vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
	vert_out.uv = v_in.uv * uv_scale + uv_offset;
	return vert_out;
}

ColorData mainImage(VertData v_in) //TARGET
{
	ColorData color_out;
	color_out.color_7 = image.Sample(textureSampler, v_in.uv);
	color_out.color_6 = image_1.Sample(textureSampler, v_in.uv);
	color_out.color_5 = image_2.Sample(textureSampler, v_in.uv);
	color_out.color_4 = image_3.Sample(textureSampler, v_in.uv);
	color_out.color_3 = image_4.Sample(textureSampler, v_in.uv);
	color_out.color_2 = image_5.Sample(textureSampler, v_in.uv);
	color_out.color_1 = image_6.Sample(textureSampler, v_in.uv);
	color_out.color_0 = (color_out.color_1 + color_out.color_2 + color_out.color_3 + color_out.color_4 + 
	color_out.color_5 + color_out.color_6 + color_out.color_7) / 7.0;

	return color_out;
}

technique Draw
{
	pass p0
	{
		vertex_shader = mainTransform(v_in);
		pixel_shader = mainImage(v_in);
	}
}