gauss.frag

#version 150

uniform sampler2DRect tex0;
uniform float blurAmnt = 1.0;
uniform float fvert = 1.0;
out vec4 outputColor;

in vec2 texCoordVarying;

void main()
{
    bool  bvert = fvert > 0.0;
    vec4  color;
    float max = 20;

    color = vec4(0,0,0,0);
    
    for (float i = 1.0; i < max; i+= 1.0) {
        color += i * texture(tex0, texCoordVarying + vec2(blurAmnt * (bvert ? -(max - i) : 0.0), blurAmnt * (!bvert ? -(max - i) : 0.0)));
    }
//
//    color += max * texture(tex0, texCoordVarying + vec2(bvert ? blurAmnt : 0, !bvert ? blurAmnt : 0));

    for (float i = max - 1.0; i > 0; i-= 1.0) {
        color += i * texture(tex0, texCoordVarying + vec2(blurAmnt * (bvert ? (max - i) : 0.0), blurAmnt * (!bvert ? (max - i) : 0.0)));
    }


    color /= max;
//    
//    color += max * texture(tex0, texCoordVarying + vec2(bvert ? blurAmnt : 0, !bvert ? blurAmnt : 0));
//    color += texture(tex0, texCoordVarying + vec2(blurAmnt, blurAmnt));
    outputColor = color;
}

gauss.vert

#version 150

// these are for the programmable pipeline system
uniform mat4 modelViewProjectionMatrix;
uniform mat4 textureMatrix;

in vec4 position;
in vec2 texcoord;
in vec4 normal;
in vec4 color;

out vec2 texCoordVarying;

void main()
{
    #ifdef INTEL_CARD
    color = vec4(1.0); // for intel HD cards
    normal = vec4(1.0); // for intel HD cards
    #endif

    texCoordVarying = texcoord;
	gl_Position = modelViewProjectionMatrix * position;
}