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main
...
color-spac
9 changed files with 195 additions and 150 deletions
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@ -20,10 +20,10 @@ aimed at providing a variety of effects in the vein of its parent project.
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## Screenshots
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## Acknowledgements
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@ -11,31 +11,10 @@ uniform float viewWidth, viewHeight;
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varying vec2 texcoord;
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#include "/module/color_depth.frag"
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#include "/module/color.frag"
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#include "/module/dof.frag"
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#include "/module/interlace.frag"
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// All components are in the range [0…1], including hue.
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vec3 rgb2hsv(vec3 c)
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{
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vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
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vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
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vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
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float d = q.x - min(q.w, q.y);
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float e = 1.0e-10;
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return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
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}
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// All components are in the range [0…1], including hue.
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vec3 hsv2rgb(vec3 c)
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{
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vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
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return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
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}
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const float steps = 4.0;
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uniform vec3 palette[8];
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@ -124,34 +103,14 @@ void main() {
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newcoord = (floor(newcoord * view) + offset) / view;
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#endif
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vec3 color = texture2D(gcolor, newcoord).rgb;
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color = to(color).xyz;
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#if colorMode == MODE_HSV
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color = rgb2hsv(color).xyz;
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#endif
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vec3 final;
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#ifdef dithering
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#if colorMode == MODE_HSV
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vec3 filtered = vec3(dither(color.x, hueMax), dither(color.y, satMax), dither(color.z, valMax)).rgb;
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final = hsv2rgb(filtered);
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#else
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final = vec3(dither(color.r, colormax.x), dither(color.g, colormax.y), dither(color.b, colormax.z));
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#endif
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#else
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#if colorMode == MODE_HSV
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vec3 filtered = vec3(lightnessStep(color.x, hueMax), lightnessStep(color.y, satMax), lightnessStep(color.z, valMax)).rgb;
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final = hsv2rgb(filtered);
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#else
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final = vec3(lightnessStep(color.r, colormax.x), lightnessStep(color.g, colormax.y), lightnessStep(color.b, colormax.z)).rgb;
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#endif
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#endif
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#if colorMode == MODE_RGB && colorDepth == 1
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if(final.r == 1)
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final = monoHigh;
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else
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final = monoLow;
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#endif
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#ifdef dithering
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vec3 final = vec3(dither(color.x, firstMax), dither(color.y, secondMax), dither(color.z, thirdMax)).rgb;
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#else
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vec3 final = vec3(lightnessStep(color.x, firstMax), lightnessStep(color.y, secondMax), lightnessStep(color.z, thirdMax)).rgb;
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#endif
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final = from(final);
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#ifdef interlacing
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/* DRAWBUFFERS:01 */
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@ -2,7 +2,7 @@
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profile.DEFAULT=Default
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profile.AEON=Aeon Upstream
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profile.DOS=DOS
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profile.DOTMATRIX=Dot Matrix Game
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profile.DOTMATRIX=DMG-01
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profile.EIGHTBIT=8-bit
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profile.OBRADINN=Obra Dinn
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profile.PSX=PSX
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@ -22,26 +22,28 @@ value.pixelSize.16=Silly (16x)
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screen.COLOR=Color
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option.colorMode=Color Mode
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value.colorMode.0=HSV
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value.colorMode.1=RGB
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value.colorMode.0=RGB
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value.colorMode.1=HSV
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value.colorMode.2=YIQ
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value.colorMode.3=YUV
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value.colorMode.4=Mono
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option.dithering=Dithering
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option.colorDepth=RGB Depth
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value.colorDepth.1=Monochrome
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value.colorDepth.3=3-bit
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value.colorDepth.6=6-bit
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value.colorDepth.8=8-bit
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value.colorDepth.12=12-bit
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value.colorDepth.15=15-bit
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value.colorDepth.18=18-bit
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value.colorDepth.24=Truecolor
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option.firstBits=First Value
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suffix.firstBits=-bit
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option.secondBits=Second Value
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suffix.secondBits=-bit
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option.thirdBits=Third Value
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suffix.thirdBits=-bit
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option.monoPalette=Mono Palette
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value.monoPalette.0=Black & White
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value.monoPalette.1=Dot Matrix
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value.monoPalette.1=DameGame
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value.monoPalette.2=Paint the Town
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value.monoPalette.3=Noir
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value.monoPalette.4=Amber Phosphor
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value.monoPalette.5=Green Phosphor
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option.hueBits=Hue Depth
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suffix.hueBits=-bit
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135
shaders/module/color.frag
Normal file
135
shaders/module/color.frag
Normal file
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@ -0,0 +1,135 @@
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#include "/var/color.glsl"
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#define colorMode 1 // [0 1 2 3 4]
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#define firstBits 2 // [0 1 2 3 4 5 6 7 8]
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#define secondBits 2 // [0 1 2 3 4 5 6 7 8]
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#define thirdBits 2 // [0 1 2 3 4 5 6 7 8]
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#define monoPalette 0 // [0 1 2 3 4 5]
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float bit_max(int bits) { return pow(2, bits); }
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float firstMax = bit_max(firstBits);
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#if colorMode == COLOR_MONO
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float secondMax = firstMax;
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float thirdMax = firstMax;
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#else
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float secondMax = bit_max(secondBits);
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float thirdMax = bit_max(thirdBits);
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#endif
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#if monoPalette == MONO_BW
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vec3 monoHigh = vec3(1);
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vec3 monoLow = vec3(0);
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#elif monoPalette == MONO_DAMEGAME
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vec3 monoHigh = vec3(0.31, 0.40, 0.03);
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vec3 monoLow = vec3(0.17, 0.29, 0.13);
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#elif monoPalette == MONO_MOTIONSICK
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vec3 monoHigh = vec3(1, 0, 0);
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vec3 monoLow = vec3(0);
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#elif monoPalette == MONO_NOIR
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vec3 monoHigh = vec3(0.73, 0.67, 0.55);
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vec3 monoLow = vec3(0.26, 0.23, 0.19);
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#elif monoPalette == MONO_AMBER
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vec3 monoHigh = vec3(1.00, 0.50, 0.00);
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vec3 monoLow = vec3(0);
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#elif monoPalette == MONO_PHOSPHOR
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vec3 monoHigh = vec3(0.00, 0.83, 0.43);
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vec3 monoLow = vec3(0);
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#endif
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float luminance(vec3 color) {
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return dot(color, vec3(0.299, 0.587, 0.114));
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}
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vec3 toHsv(vec3 rgb) {
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vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
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vec4 p = mix(vec4(rgb.bg, K.wz), vec4(rgb.gb, K.xy), step(rgb.b, rgb.g));
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vec4 q = mix(vec4(p.xyw, rgb.r), vec4(rgb.r, p.yzx), step(p.x, rgb.r));
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float d = q.x - min(q.w, q.y);
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float e = 1.0e-10;
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return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
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}
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vec3 fromHsv(vec3 hsv) {
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vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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vec3 p = abs(fract(hsv.xxx + K.xyz) * 6 - K.www);
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return hsv.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), hsv.y);
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}
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vec3 toYiq(vec3 rgb) {
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float y = luminance(rgb);
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float i = dot(rgb, vec3(0.596, -.274, -.322));
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float q = dot(rgb, vec3(0.211, -.523, 0.312));
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return vec3(y, i, q);
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}
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vec3 fromYiq(vec3 yiq) {
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float r = dot(yiq, vec3(1, 0.956, 0.619));
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float g = dot(yiq, vec3(1, -.272, -.674));
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float b = dot(yiq, vec3(1, -1.106, 1.703));
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return vec3(r, g, b);
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}
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vec3 toYuv(vec3 rgb) {
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float y = luminance(rgb);
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float u = 0.492 * (rgb.b - y);
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float v = 0.877 * (rgb.r - y);
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return vec3(y, u, v);
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}
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vec3 fromYuv(vec3 yuv) {
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float r = yuv.x + (1.140 * yuv.z);
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float g = yuv.x - (0.395 * yuv.y) - (0.581 * yuv.z);
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float b = yuv.x + (2.033 * yuv.y);
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return vec3(r, g, b);
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}
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vec3 toMono(vec3 rgb) {
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float luma = luminance(rgb);
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return vec3(luma, luma, luma);
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}
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vec3 fromMono(vec3 mono) {
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return (mono.x * (monoHigh - monoLow)) + monoLow;
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}
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vec3 to(vec3 rgb) {
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#if colorMode == COLOR_RGB
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return rgb;
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#elif colorMode == COLOR_HSV
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return toHsv(rgb);
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#elif colorMode == COLOR_YIQ
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return toYiq(rgb);
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#elif colorMode == COLOR_YUV
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return toYuv(rgb);
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#elif colorMode == COLOR_MONO
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return toMono(rgb);
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#endif
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}
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vec3 from(vec3 color) {
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#if colorMode == COLOR_RGB
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return color;
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#elif colorMode == COLOR_HSV
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return fromHsv(color);
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#elif colorMode == COLOR_YIQ
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return fromYiq(color);
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#elif colorMode == COLOR_YUV
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return fromYuv(color);
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#elif colorMode == COLOR_MONO
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return fromMono(color);
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#endif
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}
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@ -1,61 +0,0 @@
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#include "/var/color_depth.glsl"
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#define colorMode 0 // [0 1]
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#define hueBits 2 // [1 2 3 4 5 6 7 8]
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#define satBits 2 // [1 2 3 4 5 6 7 8]
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#define valBits 2 // [1 2 3 4 5 6 7 8]
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#define colorDepth 6 // [1 3 6 8 12 15 18 24]
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#define monoPalette 0 // [0 1 2 3]
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#if colorMode == MODE_HSV
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// -- HSV --
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float bit_max(int bits) {
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return pow(2, bits);
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}
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float hueMax = bit_max(hueBits);
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float satMax = bit_max(satBits);
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float valMax = bit_max(valBits);
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#else
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// -- RGB --
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#if colorDepth == 1
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vec3 colormax = vec3(2, 1, 1);
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#elif colorDepth == 3
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vec3 colormax = vec3(2, 2, 2);
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#elif colorDepth == 6
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vec3 colormax = vec3(4, 4, 4);
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#elif colorDepth == 8
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// 8-bit is 3:3:2
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vec3 colormax = vec3(8, 8, 4);
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#elif colorDepth == 12
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vec3 colormax = vec3(16, 16, 16);
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#elif colorDepth == 15
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vec3 colormax = vec3(32, 32, 32);
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#elif colorDepth == 18
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vec3 colormax = vec3(64, 64, 64);
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#elif colorDepth == 24
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vec3 colormax = vec3(256, 256, 256);
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#endif
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#if monoPalette == MONOCHROME_BW
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vec3 monoHigh = vec3(1);
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vec3 monoLow = vec3(0);
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#elif monoPalette == MONOCHROME_DOTMATRIX
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vec3 monoHigh = vec3(0.31, 0.40, 0.03);
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vec3 monoLow = vec3(0.17, 0.29, 0.13);
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#elif monoPalette == MONOCHROME_MOTIONSICK
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vec3 monoHigh = vec3(1, 0, 0);
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vec3 monoLow = vec3(0);
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#elif monoPalette == MONOCHROME_NOIR
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vec3 monoHigh = vec3(0.73, 0.67, 0.55);
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vec3 monoLow = vec3(0.26, 0.23, 0.19);
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#endif
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#endif
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@ -15,7 +15,11 @@ vec3 ntsc(vec3 color) {
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float q = dot(color, vec3(0.211, -.523, 0.312));
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// faux ntsc signal
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float carrier = 6.283 * 3.570 * gl_FragCoord.x; // 2π * 3.57MHz * x
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float carrier = 22.430; // 2π * 3.57MHz
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#if wire == WIRE_COMPOSITE
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carrier *= gl_FragCoord.x;
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#endif
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float phase = sin(carrier) * i + cos(carrier) * q;
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float quad = cos(carrier) * i - sin(carrier) * q;
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@ -53,6 +57,7 @@ vec3 pal(vec3 color) {
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// decode faux signal
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#if wire == WIRE_COMPOSITE
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float composite = y + phase;
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// TODO: composite
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#endif
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u = quad * cos(carrier);
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v = phase * sin(carrier);
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@ -1,15 +1,15 @@
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sliders=pixelSize colorDepth hueBits satBits valBits vWarp worldRadius
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sliders=pixelSize firstBits secondBits thirdBits vWarp worldRadius
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# -- PROFILES --
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profile.DEFAULT=pixelSize=2 colorMode=0 dithering hueBits=2 satBits=2 valBits=2 vWarp=0 !tWarp !hBlur !interlacing
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profile.AEON=pixelSize=1 colorMode=0 dithering hueBits=3 satBits=2 valBits=2 vWarp=0 !tWarp !hBlur !interlacing
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profile.DOS=pixelSize=4 colorMode=1 dithering colorDepth=3 vWarp=1 !tWarp !hBlur !interlacing
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profile.DOTMATRIX=pixelSize=4 colorMode=1 colorDepth=1 monoPalette=1 dithering vWarp=1 !tWarp !hBlur !interlacing
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profile.EIGHTBIT=pixelSize=4 colorMode=1 dithering colorDepth=8 vWarp=0 !tWarp !hBlur !interlacing
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profile.OBRADINN=pixelSize=2 colorMode=1 colorDepth=1 monoPalette=0 dithering vWarp=0 !tWarp !hBlur !interlacing
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profile.PSX=pixelSize=2 colorMode=1 !dithering colorDepth=24 vWarp=2 tWarp !hBlur interlacing
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profile.REALITY=pixelSize=2 colorMode=1 colorDepth=15 !dithering vWarp=0 !tWarp hBlur interlacing
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profile.VR32=pixelSize=8 colorMode=1 !dithering colorDepth=1 monoPalette=2 vWarp=1 !tWarp !hBlur !interlacing
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profile.DEFAULT=pixelSize=2 colorMode=1 dithering firstBits=2 secondBits=2 thirdBits=2 vWarp=0 !tWarp !hBlur !interlacing
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profile.AEON=pixelSize=1 colorMode=1 dithering firstBits=3 secondBits=2 thirdBits=2 vWarp=0 !tWarp !hBlur !interlacing
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profile.DOS=pixelSize=4 colorMode=0 dithering firstBits=1 secondBits=1 thirdBits=1 vWarp=1 !tWarp !hBlur !interlacing
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profile.DOTMATRIX=pixelSize=4 colorMode=4 dithering firstBits=2 monoPalette=1 dithering vWarp=1 !tWarp !hBlur !interlacing
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profile.EIGHTBIT=pixelSize=2 colorMode=0 !dithering firstBits=3 secondBits=3 thirdBits=2 vWarp=0 !tWarp !hBlur !interlacing
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profile.OBRADINN=pixelSize=2 colorMode=4 dithering firstBits=1 monoPalette=0 vWarp=0 !tWarp !hBlur !interlacing
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profile.PSX=pixelSize=2 colorMode=0 !dithering firstBits=8 secondBits=8 thirdBits=8 vWarp=2 tWarp !hBlur interlacing
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profile.REALITY=pixelSize=2 colorMode=0 dithering firstBits=5 secondBits=5 thirdBits=5 !dithering vWarp=0 !tWarp hBlur interlacing
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profile.VR32=pixelSize=8 colorMode=4 !dithering firstBits=2 monoPalette=2 vWarp=1 !tWarp !hBlur !interlacing
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# -- SCREENS --
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# default
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@ -17,7 +17,7 @@ screen=<profile> <empty> <empty> <empty> pixelSize <empty> [COLOR] [SCREEN] [CON
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# colors
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screen.COLOR.columns=3
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screen.COLOR=colorMode dithering <empty> colorDepth <empty> monoPalette hueBits satBits valBits
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screen.COLOR=colorMode dithering <empty> firstBits secondBits thirdBits monoPalette
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# screen effects
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screen.SCREEN=signal wire interlacing scanline <empty> <empty> aberration
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16
shaders/var/color.glsl
Normal file
16
shaders/var/color.glsl
Normal file
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@ -0,0 +1,16 @@
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// colorspace IDs
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#define COLOR_RGB 0 // RGB colorspace
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#define COLOR_HSV 1 // HSV colorspace
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#define COLOR_YIQ 2 // YIQ colorspace
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#define COLOR_YUV 3 // YUV colorspace
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#define COLOR_MONO 4 // Monochrome
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// monochrome palette IDs
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#define MONO_BW 0
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#define MONO_DAMEGAME 1
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||||
#define MONO_MOTIONSICK 2
|
||||
#define MONO_NOIR 3
|
||||
#define MONO_AMBER 4
|
||||
#define MONO_PHOSPHOR 5
|
||||
|
||||
|
|
@ -1,11 +0,0 @@
|
|||
|
||||
// color mode IDs
|
||||
#define MODE_HSV 0
|
||||
#define MODE_RGB 1
|
||||
|
||||
// monochrome palette IDs
|
||||
#define MONOCHROME_BW 0
|
||||
#define MONOCHROME_DOTMATRIX 1
|
||||
#define MONOCHROME_MOTIONSICK 2
|
||||
#define MONOCHROME_NOIR 3
|
||||
|
||||
Loading…
Reference in a new issue