50 lines
863 B
Plaintext
50 lines
863 B
Plaintext
uniform matrix4 ViewProj;
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uniform texture2d image;
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uniform float2 imageTexel;
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uniform int layer;
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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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float4 PSAverage(VertDataOut v_in) : TARGET
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{
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float4 rgba = 0;
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for (float x = -1; x <= 1; x++) {
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for (float y = -1; y <= 1; y++) {
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rgba += image.Sample(textureSampler, v_in.uv + vec2(x,y) * imageTexel + imageTexel);
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}
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}
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return rgba / 9.0;
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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 = PSAverage(v_in);
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}
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}
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