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107 lines
2.8 KiB
107 lines
2.8 KiB
// Parameter lines go here:
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#pragma parameter SCANLINE_BASE_BRIGHTNESS "Scanline Base Brightness" 0.95 0.0 1.0 0.01
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#pragma parameter SCANLINE_SINE_COMP_A "Scanline Sine Comp A" 0.0 0.0 0.10 0.01
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#pragma parameter SCANLINE_SINE_COMP_B "Scanline Sine Comp B" 0.15 0.0 1.0 0.05
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#define pi 3.141592654
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#if defined(VERTEX)
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#if __VERSION__ >= 130
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#define COMPAT_VARYING out
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#define COMPAT_ATTRIBUTE in
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#define COMPAT_TEXTURE texture
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#else
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#define COMPAT_VARYING varying
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#define COMPAT_ATTRIBUTE attribute
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#define COMPAT_TEXTURE texture2D
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#endif
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#ifdef GL_ES
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#define COMPAT_PRECISION mediump
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#else
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#define COMPAT_PRECISION
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#endif
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COMPAT_ATTRIBUTE vec4 VertexCoord;
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COMPAT_ATTRIBUTE vec4 COLOR;
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COMPAT_ATTRIBUTE vec4 TexCoord;
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COMPAT_VARYING vec4 COL0;
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COMPAT_VARYING vec4 TEX0;
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COMPAT_VARYING vec2 omega;
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vec4 _oPosition1;
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uniform mat4 MVPMatrix;
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uniform COMPAT_PRECISION int FrameDirection;
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uniform COMPAT_PRECISION int FrameCount;
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uniform COMPAT_PRECISION vec2 OutputSize;
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uniform COMPAT_PRECISION vec2 TextureSize;
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uniform COMPAT_PRECISION vec2 InputSize;
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void main()
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{
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gl_Position = MVPMatrix * VertexCoord;
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COL0 = COLOR;
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TEX0.xy = TexCoord.xy;
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omega = vec2(pi * OutputSize.x, 2.0 * pi * TextureSize.y);
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}
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#elif defined(FRAGMENT)
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#if __VERSION__ >= 130
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#define COMPAT_VARYING in
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#define COMPAT_TEXTURE texture
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out vec4 FragColor;
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#else
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#define COMPAT_VARYING varying
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#define FragColor gl_FragColor
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#define COMPAT_TEXTURE texture2D
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#endif
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#ifdef GL_ES
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#ifdef GL_FRAGMENT_PRECISION_HIGH
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precision highp float;
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#else
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precision mediump float;
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#endif
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#define COMPAT_PRECISION mediump
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#else
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#define COMPAT_PRECISION
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#endif
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uniform COMPAT_PRECISION int FrameDirection;
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uniform COMPAT_PRECISION int FrameCount;
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uniform COMPAT_PRECISION vec2 OutputSize;
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uniform COMPAT_PRECISION vec2 TextureSize;
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uniform COMPAT_PRECISION vec2 InputSize;
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uniform sampler2D Texture;
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COMPAT_VARYING vec4 TEX0;
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COMPAT_VARYING vec2 omega;
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// compatibility #defines
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#define Source Texture
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#define vTexCoord TEX0.xy
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#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
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#define OutputSize vec4(OutputSize, 1.0 / OutputSize)
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#ifdef PARAMETER_UNIFORM
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// All parameter floats need to have COMPAT_PRECISION in front of them
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uniform COMPAT_PRECISION float SCANLINE_BASE_BRIGHTNESS;
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uniform COMPAT_PRECISION float SCANLINE_SINE_COMP_A;
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uniform COMPAT_PRECISION float SCANLINE_SINE_COMP_B;
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#else
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#define SCANLINE_BASE_BRIGHTNESS 0.95
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#define SCANLINE_SINE_COMP_A 0.0
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#define SCANLINE_SINE_COMP_B 0.15
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#endif
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void main()
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{
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vec2 sine_comp = vec2(SCANLINE_SINE_COMP_A, SCANLINE_SINE_COMP_B);
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vec3 res = COMPAT_TEXTURE(Source, vTexCoord).xyz;
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vec3 scanline = res * (SCANLINE_BASE_BRIGHTNESS + dot(sine_comp * sin(vTexCoord * omega), vec2(1.0, 1.0)));
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FragColor = vec4(scanline.x, scanline.y, scanline.z, 1.0);
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}
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#endif
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