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polypartiCL/shaders/blur.fs
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Alex Lardner d7890c9808 init commit
2026-07-04 19:08:19 -07:00

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946 B
GLSL

#version 330
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
in vec4 fragColor;
// Input uniform values
uniform sampler2D texture0;
uniform vec4 colDiffuse;
// Output fragment color
out vec4 finalColor;
// NOTE: Add your custom variables here
// NOTE: Render size values must be passed from code
const float renderWidth = 1280;
const float renderHeight = 800;
float offset[3] = float[](0.0, 1.3846153846, 3.2307692308);
float weight[3] = float[](0.2270270270, 0.3162162162, 0.0702702703);
void main()
{
// Texel color fetching from texture sampler
vec3 texelColor = texture(texture0, fragTexCoord).rgb*weight[0];
for (int i = 1; i < 3; i++)
{
texelColor += texture(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
texelColor += texture(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
}
finalColor = vec4(texelColor, 1.0);
}