38 lines
1.1 KiB
GLSL
38 lines
1.1 KiB
GLSL
#pragma language glsl3
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uniform sampler2D g_occlusion_sampler;
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in vec4 PixelTexture;
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out vec2 out_blur;
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//const float offset[3] = float[](0.0, 1.3846153846, 3.2307692308);
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//const float weight[3] = float[](0.2270270270, 0.3162162162, 0.0702702703);
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const float offset[3] = float[](-1.200436, 0, 1.200436);
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const float weight[3] = float[](0.30613, 0.38774, 0.30613);
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uniform vec2 inverse_screen_size;
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uniform vec2 dir;
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void pixelmain()
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{
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vec2 sample = texture(g_occlusion_sampler, gl_FragCoord.xy * inverse_screen_size).xy;
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float blur = sample.x * weight[1];
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vec2 a = (gl_FragCoord.xy + (dir * offset[0])) * inverse_screen_size;
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vec2 b = (gl_FragCoord.xy - (dir * offset[0])) * inverse_screen_size;
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blur += texture(g_occlusion_sampler, a).x * weight[0];
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blur += texture(g_occlusion_sampler, b).x * weight[0];
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/*
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for (int i=1; i<1; i++) {
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vec2 a = (gl_FragCoord.xy + (dir * offset[i])) * inverse_screen_size;
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vec2 b = (gl_FragCoord.xy - (dir * offset[i])) * inverse_screen_size;
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blur += texture(g_occlusion_sampler, a).x * weight[i];
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blur += texture(g_occlusion_sampler, b).x * weight[i];
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}
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*/
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out_blur = vec2(blur, sample.y);
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}
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