56 lines
1.1 KiB
Plaintext
56 lines
1.1 KiB
Plaintext
// OBS Default
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uniform float4x4 ViewProj;
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// Settings (Shared)
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uniform texture2d u_image;
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uniform float2 u_imageSize;
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uniform float2 u_imageTexelDelta;
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uniform int u_radius;
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uniform int u_diameter;
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uniform float2 u_texelDelta;
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sampler_state textureSampler {
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Filter = Point;
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AddressU = Clamp;
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AddressV = Clamp;
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};
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struct VertDataIn {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct VertDataOut {
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float4 pos : POSITION;
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float2 uv : TEXCOORD0;
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};
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VertDataOut VSDefault(VertDataIn v_in)
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{
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VertDataOut vert_out;
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vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj);
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vert_out.uv = v_in.uv;
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return vert_out;
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}
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// Box Blur
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float4 PSBox(VertDataOut v_in) : TARGET
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{
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float4 rgba = u_image.Sample(textureSampler, v_in.uv);
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for (int k = 1; k <= u_radius; k++) {
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rgba += u_image.Sample(textureSampler, v_in.uv + (u_texelDelta * k));
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rgba += u_image.Sample(textureSampler, v_in.uv - (u_texelDelta * k));
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}
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rgba = rgba / u_diameter;
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return rgba;
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}
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technique Draw
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{
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pass
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{
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vertex_shader = VSDefault(v_in);
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pixel_shader = PSBox(v_in);
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}
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}
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