diff options
Diffstat (limited to 'shaders/glsl330/blur.fs')
| -rw-r--r-- | shaders/glsl330/blur.fs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/shaders/glsl330/blur.fs b/shaders/glsl330/blur.fs new file mode 100644 index 00000000..7c31f727 --- /dev/null +++ b/shaders/glsl330/blur.fs @@ -0,0 +1,34 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 fragTintColor; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +const float renderWidth = 1280.0; +const float renderHeight = 720.0; + +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); +}
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