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#version 100
precision mediump float;
// Input vertex attributes (from vertex shader)
varying vec2 fragTexCoord;
varying vec4 fragColor;
// Input uniform values
uniform sampler2D texture0;
uniform vec4 colDiffuse;
// NOTE: Add here your custom variables
// NOTE: Render size values must be passed from code
const float renderWidth = 800;
const float renderHeight = 450;
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 tc = texture2D(texture0, fragTexCoord).rgb*weight[0];
for (int i = 1; i < 3; i++)
{
tc += texture2D(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
tc += texture2D(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
}
gl_FragColor = vec4(tc, 1.0);
}
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