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• gaussian_blur.frag

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Standard.Shader.FullScreenEffect.gaussian_blur.frag Maven / Gradle / Ivy

#version 450
#extension GL_ARB_separate_shader_objects:enable

const int MAX_NUM_WEIGHTS=64;

layout(set=0,binding=0) uniform GaussianBlurInfoUBO{
    ivec2 textureSize;
    int numWeights;
    float weights[MAX_NUM_WEIGHTS];
}blurInfo;
layout(set=1,binding=0) uniform texture2D colorTexture;
layout(set=2,binding=0) uniform sampler textureSampler;

layout(location=0) in vec2 fragTexCoords;

layout(location=0) out vec4 outColor;

void main(){
    vec4 result=vec4(0.0);
    vec2 texelSize=1.0/blurInfo.textureSize;
    int upperBound=min(blurInfo.numWeights,MAX_NUM_WEIGHTS);

    vec2 cur_uv;

    //Horizontal
    for(int i=1;i