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Merge pull request #541 from mattakins/master

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Game Boy Color / Light and Dark Mode Game Boy / Invert Colors
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hizzlekizzle 2024-02-07 08:37:44 -06:00 committed by GitHub
parent 604eeabc03 a5e2b80462
commit a4e79022bb
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GPG key ID: B5690EEEBB952194
5 changed files with 141 additions and 2 deletions
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39
handheld/gameboy-color.slangp Normal file
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@ -0,0 +1,39 @@
shaders = 5
shader0 = shaders/gameboy/shader-files/gb-pass0.slang
filter_linear0 = false
scale_type0 = viewport
scale0 = 1.0
alias0 = "PASS0"
color_toggle = "1.000000"
shader1 = shaders/gameboy/shader-files/gb-pass1.slang
filter_linear1 = false
scale_type1 = source
scale1 = 1.0
alias1 = "PASS1"
shader2 = shaders/gameboy/shader-files/gb-pass2.slang
filter_linear2 = false
scale_type2 = source
scale2 = 1.0
alias2 = "PASS2"
shader3 = shaders/gameboy/shader-files/gb-pass3.slang
filter_linear3 = false
scale_type3 = source
scale3 = 1.0
alias3 = "PASS3"
shader4 = shaders/gameboy/shader-files/gb-pass4.slang
filter_linear4 = false
scale_type4 = source
scale4 = 1.0
alias4 = "PASS4"
textures = COLOR_PALETTE;BACKGROUND
COLOR_PALETTE = shaders/gameboy/resources/sample-palettes/gbp-palette.png
COLOR_PALETTE_linear = false
BACKGROUND = shaders/gameboy/resources/sample-bgs/paper-bg.png
BACKGROUND_linear = true

41
handheld/gameboy-dark-mode.slangp Normal file
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@ -0,0 +1,41 @@
shaders = 6
shader0 = shaders/gameboy/shader-files/gb-pass0.slang
filter_linear0 = false
scale_type0 = viewport
scale0 = 1.0
alias0 = "PASS0"
shader1 = shaders/gameboy/shader-files/gb-pass1.slang
filter_linear1 = false
scale_type1 = source
scale1 = 1.0
alias1 = "PASS1"
shader2 = shaders/gameboy/shader-files/gb-pass2.slang
filter_linear2 = false
scale_type2 = source
scale2 = 1.0
alias2 = "PASS2"
shader3 = shaders/gameboy/shader-files/gb-pass3.slang
filter_linear3 = false
scale_type3 = source
scale3 = 1.0
alias3 = "PASS3"
shader4 = shaders/gameboy/shader-files/gb-pass4.slang
filter_linear4 = false
scale_type4 = source
scale4 = 1.0
alias4 = "PASS4"
shader5 = ../misc/shaders/image-adjustment.slang
ia_invert = "1.000000"
textures = COLOR_PALETTE;BACKGROUND
COLOR_PALETTE = shaders/gameboy/resources/sample-palettes/b-w-palette.png
COLOR_PALETTE_linear = false
BACKGROUND = shaders/gameboy/resources/sample-bgs/paper-bg.png
BACKGROUND_linear = true

38
handheld/gameboy-light-mode.slangp Normal file
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@ -0,0 +1,38 @@
shaders = 5
shader0 = shaders/gameboy/shader-files/gb-pass0.slang
filter_linear0 = false
scale_type0 = viewport
scale0 = 1.0
alias0 = "PASS0"
shader1 = shaders/gameboy/shader-files/gb-pass1.slang
filter_linear1 = false
scale_type1 = source
scale1 = 1.0
alias1 = "PASS1"
shader2 = shaders/gameboy/shader-files/gb-pass2.slang
filter_linear2 = false
scale_type2 = source
scale2 = 1.0
alias2 = "PASS2"
shader3 = shaders/gameboy/shader-files/gb-pass3.slang
filter_linear3 = false
scale_type3 = source
scale3 = 1.0
alias3 = "PASS3"
shader4 = shaders/gameboy/shader-files/gb-pass4.slang
filter_linear4 = false
scale_type4 = source
scale4 = 1.0
alias4 = "PASS4"
textures = COLOR_PALETTE;BACKGROUND
COLOR_PALETTE = shaders/gameboy/resources/sample-palettes/b-w-palette.png
COLOR_PALETTE_linear = false
BACKGROUND = shaders/gameboy/resources/sample-bgs/paper-bg.png
BACKGROUND_linear = true

18
handheld/shaders/gameboy/shader-files/gb-pass0.slang
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@ -10,6 +10,7 @@ layout(push_constant) uniform Push
float grey_balance;
float response_time;
float video_scale;
float color_toggle;
} registers;
layout(std140, set = 0, binding = 0) uniform UBO
@ -21,6 +22,8 @@ layout(std140, set = 0, binding = 0) uniform UBO
// Config //
////////////////////////////////////////////////////////////////////////////////
#pragma parameter color_toggle "Color Toggle" 0.0 0.0 1.0 1.0 // Toggle between color (1.0) and greyscale (0.0)
// The alpha value of dots in their "off" state
// Does not affect the border region of the screen - [0, 1]
#pragma parameter baseline_alpha "Baseline Alpha" 0.10 0.0 1.0 0.01
@ -41,6 +44,8 @@ layout(std140, set = 0, binding = 0) uniform UBO
// //
// Copyright (C) 2013 Harlequin : unknown92835@gmail.com //
// //
// Modified 2/6/24 to support color output by mattakins. //
// //
// This program is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
@ -116,6 +121,9 @@ layout(set = 0, binding = 10) uniform sampler2D COLOR_PALETTE;
////////////////////////////////////////////////////////////////////////////////
#define foreground_color texture(COLOR_PALETTE, vec2(0.75, 0.5)).rgb //hardcoded to look up the foreground color from the right half of the palette image
vec3 foreground_source = texture(Source, vTexCoord).rgb; // samples color from source for color mode
//#define rgb_to_alpha(rgb) ( ((rgb.r + rgb.g + rgb.b) / 3.0) + (is_on_dot * vec2(registers.baseline_alpha), 1.0) ) //averages rgb values (allows it to work with color games), modified for contrast and base alpha
@ -153,11 +161,17 @@ void main()
// Apply foreground color and assign alpha value
// Apply the foreground color to all texels -
// the color will be modified by alpha later - and assign alpha based on rgb input
vec4 out_color = vec4(foreground_color, rgb_to_alpha);
vec4 out_color;
if (registers.color_toggle == 0.0)
out_color = vec4(foreground_color, rgb_to_alpha);
else
out_color = vec4(foreground_source, rgb_to_alpha);
// Overlay the matrix
// If the fragment is not on a dot, set its alpha value to 0
out_color.a *= is_on_dot;
FragColor = out_color;
}
}

7
misc/shaders/image-adjustment.slang
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@ -13,6 +13,7 @@ layout(push_constant) uniform Push
float ia_luminance;
float ia_black_level;
float ia_bright_boost;
float ia_invert;
float ia_R;
float ia_G;
float ia_B;
@ -43,6 +44,7 @@ layout(std140, set = 0, binding = 0) uniform UBO
#pragma parameter ia_luminance "Luminance" 1.0 0.0 2.0 0.1
#pragma parameter ia_black_level "Black Level" 0.00 -0.30 0.30 0.01
#pragma parameter ia_bright_boost "Brightness Boost" 0.0 -1.0 1.0 0.05
#pragma parameter ia_invert "Invert Colors" 0.0 0.0 1.0 1.0
#pragma parameter ia_R "Red Channel" 1.0 0.0 2.0 0.05
#pragma parameter ia_G "Green Channel" 1.0 0.0 2.0 0.05
#pragma parameter ia_B "Blue Channel" 1.0 0.0 2.0 0.05
@ -122,6 +124,11 @@ void main()
conColor = pow(conColor, 1.0 / vec3(gamma)); // Apply gamma correction
conColor *= vec3(registers.ia_R, registers.ia_G, registers.ia_B);
//invert colors
if (registers.ia_invert > 0.5) {
conColor = 1.0 - conColor; // Invert colors
}
//overscan mask
if (vTexCoord.y > registers.ia_TOPMASK && vTexCoord.y < (1.0 - registers.ia_BOTMASK))
conColor = conColor;