46 lines
996 B
Plaintext
46 lines
996 B
Plaintext
@vs vs
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in vec2 aPos;
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in vec2 aTexCoords;
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out vec2 TexCoords;
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void main()
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{
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gl_Position = vec4(aPos.x, aPos.y, 0.0, 1.0);
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TexCoords = aTexCoords;
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}
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@end
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@fs fs
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in vec2 TexCoords;
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out vec4 frag_color;
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uniform texture2D diffuse;
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uniform sampler smp;
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void main()
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{
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frag_color = texture(sampler2D(diffuse,smp), TexCoords);
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return;
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/* vec2 screensize = textureSize(diffuse,0);
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vec4 color = texture(sampler2D(diffuse,smp), TexCoords);
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float avg = 0.2126 * color.r + 0.7152 * color.g + 0.0722 * color.b;
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frag_color = vec4(avg,avg,avg,1.0);
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float lc = screensize.y/2.0;
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float line = TexCoords.y * lc;
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float line_intensity = mod(float(line),2);
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float off = line_intensity * 0.0005;
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vec4 shift = vec4(off,0,0,0);
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vec4 color_shift = vec4(0.001,0,0,0);
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float r = color.r + color_shift.r + shift.r;
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float g = color.g - color_shift.g + shift.g;
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float b = color.b;
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frag_color = vec4(r, g*0.99, b, 1.0) * clamp(line_intensity, 0.85, 1.0);
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*/
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}
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@end
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@program crt vs fs |