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Merge pull request #127 from jdgleaver/gba-gbc-nds-colour-correction

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Update GBA/GBC/NDS colour correction parameters
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hizzlekizzle 2020-08-13 07:58:26 -05:00 committed by GitHub
commit 47c7288114
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11 changed files with 147 additions and 130 deletions
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24
handheld/shaders/color/gba-color.glsl
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@ -14,31 +14,31 @@
#endif
// Parameter lines go here:
#pragma parameter darken_screen "Darken Screen" 0.5 -0.25 1.5 0.05
#pragma parameter darken_screen "Darken Screen" 1.0 -0.25 1.0 0.05
#ifdef PARAMETER_UNIFORM
// All parameter floats need to have COMPAT_PRECISION in front of them
uniform COMPAT_PRECISION float darken_screen;
#else
#define darken_screen 0.5
#define darken_screen 1.0
#endif
#define target_gamma 2.2
#define display_gamma 2.2
#define sat 1.0
#define lum 1.0
#define lum 0.94
#define contrast 1.0
#define blr 0.0
#define blg 0.0
#define blb 0.0
#define r 0.86
#define g 0.66
#define b 0.81
#define rg 0.11
#define rb 0.1325
#define gr 0.19
#define gb 0.0575
#define br -0.05
#define bg 0.23
#define r 0.82
#define g 0.665
#define b 0.73
#define rg 0.125
#define rb 0.195
#define gr 0.24
#define gb 0.075
#define br -0.06
#define bg 0.21
#define overscan_percent_x 0.0
#define overscan_percent_y 0.0

70
handheld/shaders/color/gbc-color.glsl
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@ -1,13 +1,10 @@
/*
GBC Color Correction Shader
A shader that replicates the LCD dynamics from a Game Boy Color
Color values are derived from Gambatte's color correction implementation, with some tweaks.
Further tweaks by Pokefan531.
Based on Color Mangler
Shader Modified: Pokefan531
Color Mangler
Author: hunterk
License: Public domain
*/
// Shader that replicates the LCD dynamics from a GameBoy Color
// Compatibility #ifdefs needed for parameters
#ifdef GL_ES
@ -16,29 +13,34 @@
#define COMPAT_PRECISION
#endif
// GBC-Color option has brightness values from 0 to 1.2. light position relative to screen - Top: 1.2 Mid: 0.5 Bottom: 0.0
#pragma parameter brighten_screen "Brighten Screen" 0.5 -0.25 1.2 0.05
// Parameter lines go here:
#pragma parameter lighten_screen "Lighten Screen" 1.0 0.0 1.0 0.05
#ifdef PARAMETER_UNIFORM
// All parameter floats need to have COMPAT_PRECISION in front of them
uniform COMPAT_PRECISION float brighten_screen;
uniform COMPAT_PRECISION float lighten_screen;
#else
#define brighten_screen 0.0
#define lighten_screen 1.0
#endif
#define target_gamma 2.2
#define display_gamma 2.2
#define sat 1.0
#define lum 0.94
#define contrast 1.0
#define blr 0.0
#define blg 0.0
#define blb 0.0
#define r 0.87
#define g 0.66
#define b 0.79
#define rg 0.115
#define rb 0.14
#define gr 0.18
#define gb 0.07
#define br -0.05
#define bg 0.225
#define r 0.82
#define g 0.665
#define b 0.73
#define rg 0.125
#define rb 0.195
#define gr 0.24
#define gb 0.075
#define br -0.06
#define bg 0.21
#define overscan_percent_x 0.0
#define overscan_percent_y 0.0
#if defined(VERTEX)
@ -112,21 +114,29 @@ COMPAT_VARYING vec4 TEX0;
// compatibility #defines
#define Source Texture
#define vTexCoord TEX0.xy
#define texture(c, d) COMPAT_TEXTURE(c, d)
#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
#define outsize vec4(OutputSize, 1.0 / OutputSize)
void main()
{
vec4 screen = pow(COMPAT_TEXTURE(Source, vTexCoord), vec4(target_gamma - brighten_screen)).rgba;
// red green blue alpha ; alpha does nothing for our purposes
mat4 color = mat4(r, rg, rb, 0.0, //red
gr, g, gb, 0.0, //green
br, bg, b, 0.0, //blue
blr, blg, blb, 0.0); //black
screen = color * screen;
FragColor = pow(screen, vec4(1.0 / display_gamma));
vec4 screen = pow(texture(Source, vTexCoord), vec4(target_gamma + (lighten_screen * -1.0))).rgba;
vec4 avglum = vec4(0.5);
screen = mix(screen, avglum, (1.0 - contrast));
// r g b black
mat4 color = mat4(r, rg, rb, 0.0, //red channel
gr, g, gb, 0.0, //green channel
br, bg, b, 0.0, //blue channel
blr, blg, blb, 0.0); //alpha channel; these numbers do nothing for our purposes.
mat4 adjust = mat4((1.0 - sat) * 0.3086 + sat, (1.0 - sat) * 0.3086, (1.0 - sat) * 0.3086, 1.0,
(1.0 - sat) * 0.6094, (1.0 - sat) * 0.6094 + sat, (1.0 - sat) * 0.6094, 1.0,
(1.0 - sat) * 0.0820, (1.0 - sat) * 0.0820, (1.0 - sat) * 0.0820 + sat, 1.0,
0.0, 0.0, 0.0, 1.0);
color *= adjust;
screen = clamp(screen * lum, 0.0, 1.0);
screen = color * screen;
FragColor = pow(screen, vec4(1.0 / display_gamma));
}
#endif

24
handheld/shaders/color/nds-color.glsl
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@ -13,23 +13,23 @@
#define COMPAT_PRECISION
#endif
#define target_gamma 2.2
#define display_gamma 2.2
#define target_gamma 1.91
#define display_gamma 1.91
#define sat 1.0
#define lum 1.0
#define lum 0.89
#define contrast 1.0
#define blr 0.0
#define blg 0.0
#define blb 0.0
#define r 0.85
#define g 0.655
#define b 0.865
#define rg 0.095
#define rb 0.06
#define gr 0.20
#define gb 0.075
#define br -0.05
#define bg 0.25
#define r 0.87
#define g 0.645
#define b 0.73
#define rg 0.10
#define rb 0.10
#define gr 0.255
#define gb 0.17
#define br -0.125
#define bg 0.255
#define overscan_percent_x 0.0
#define overscan_percent_y 0.0

25
handheld/shaders/lcd1x_nds.glsl
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@ -115,17 +115,18 @@ uniform COMPAT_PRECISION float BRIGHTEN_LCD;
#define NDS_SCREEN_HEIGHT 192.0
#define TARGET_GAMMA 2.2
const float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.85
#define CC_G 0.655
#define CC_B 0.865
#define CC_RG 0.095
#define CC_RB 0.06
#define CC_GR 0.20
#define CC_GB 0.075
#define CC_BR -0.05
#define CC_BG 0.25
#define TARGET_GAMMA 1.91
const float INV_DISPLAY_GAMMA = 1.0 / 1.91;
#define CC_LUM 0.89
#define CC_R 0.87
#define CC_G 0.645
#define CC_B 0.73
#define CC_RG 0.10
#define CC_RB 0.10
#define CC_GR 0.255
#define CC_GB 0.17
#define CC_BR -0.125
#define CC_BG 0.255
/*
FRAGMENT SHADER
@ -149,7 +150,7 @@ void main()
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Apply LCD grid effect

23
handheld/shaders/simpletex_lcd/simpletex_lcd+gba-color-4k.glsl
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@ -183,15 +183,16 @@ const COMPAT_PRECISION float INV_BG_TEXTURE_SIZE = 1.0 / BG_TEXTURE_SIZE;
// Colour correction
#define TARGET_GAMMA 2.2
const COMPAT_PRECISION float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.86
#define CC_G 0.66
#define CC_B 0.81
#define CC_RG 0.11
#define CC_RB 0.1325
#define CC_GR 0.19
#define CC_GB 0.0575
#define CC_BR -0.05
#define CC_BG 0.23
#define CC_LUM 0.94
#define CC_R 0.82
#define CC_G 0.665
#define CC_B 0.73
#define CC_RG 0.125
#define CC_RB 0.195
#define CC_GR 0.24
#define CC_GB 0.075
#define CC_BR -0.06
#define CC_BG 0.21
void main()
{
@ -203,10 +204,10 @@ void main()
COMPAT_PRECISION vec3 colour = COMPAT_TEXTURE(Texture, InvTextureSize.xy * imgCenterCoord.xy).rgb;
// Darken colours (if required...) and apply colour correction
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA + 0.5 + DARKEN_COLOUR));
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA + 1.0 + DARKEN_COLOUR));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Generate grid pattern...

23
handheld/shaders/simpletex_lcd/simpletex_lcd+gba-color.glsl
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@ -183,15 +183,16 @@ const COMPAT_PRECISION float INV_BG_TEXTURE_SIZE = 1.0 / BG_TEXTURE_SIZE;
// Colour correction
#define TARGET_GAMMA 2.2
const COMPAT_PRECISION float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.86
#define CC_G 0.66
#define CC_B 0.81
#define CC_RG 0.11
#define CC_RB 0.1325
#define CC_GR 0.19
#define CC_GB 0.0575
#define CC_BR -0.05
#define CC_BG 0.23
#define CC_LUM 0.94
#define CC_R 0.82
#define CC_G 0.665
#define CC_B 0.73
#define CC_RG 0.125
#define CC_RB 0.195
#define CC_GR 0.24
#define CC_GB 0.075
#define CC_BR -0.06
#define CC_BG 0.21
void main()
{
@ -203,10 +204,10 @@ void main()
COMPAT_PRECISION vec3 colour = COMPAT_TEXTURE(Texture, InvTextureSize.xy * imgCenterCoord.xy).rgb;
// Darken colours (if required...) and apply colour correction
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA + 0.5 + DARKEN_COLOUR));
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA + 1.0 + DARKEN_COLOUR));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Generate grid pattern...

21
handheld/shaders/simpletex_lcd/simpletex_lcd+gbc-color-4k.glsl
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@ -183,15 +183,16 @@ const COMPAT_PRECISION float INV_BG_TEXTURE_SIZE = 1.0 / BG_TEXTURE_SIZE;
// Colour correction
#define TARGET_GAMMA 2.2
const COMPAT_PRECISION float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.87
#define CC_G 0.66
#define CC_B 0.79
#define CC_RG 0.115
#define CC_RB 0.14
#define CC_GR 0.18
#define CC_GB 0.07
#define CC_BR -0.05
#define CC_BG 0.225
#define CC_LUM 0.94
#define CC_R 0.82
#define CC_G 0.665
#define CC_B 0.73
#define CC_RG 0.125
#define CC_RB 0.195
#define CC_GR 0.24
#define CC_GB 0.075
#define CC_BR -0.06
#define CC_BG 0.21
void main()
{
@ -206,7 +207,7 @@ void main()
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA - 0.5 + DARKEN_COLOUR));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Generate grid pattern...

21
handheld/shaders/simpletex_lcd/simpletex_lcd+gbc-color.glsl
View File

@ -183,15 +183,16 @@ const COMPAT_PRECISION float INV_BG_TEXTURE_SIZE = 1.0 / BG_TEXTURE_SIZE;
// Colour correction
#define TARGET_GAMMA 2.2
const COMPAT_PRECISION float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.87
#define CC_G 0.66
#define CC_B 0.79
#define CC_RG 0.115
#define CC_RB 0.14
#define CC_GR 0.18
#define CC_GB 0.07
#define CC_BR -0.05
#define CC_BG 0.225
#define CC_LUM 0.94
#define CC_R 0.82
#define CC_G 0.665
#define CC_B 0.73
#define CC_RG 0.125
#define CC_RB 0.195
#define CC_GR 0.24
#define CC_GB 0.075
#define CC_BR -0.06
#define CC_BG 0.21
void main()
{
@ -206,7 +207,7 @@ void main()
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA - 0.5 + DARKEN_COLOUR));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Generate grid pattern...

23
handheld/shaders/simpletex_lcd/simpletex_lcd_720p+gba-color.glsl
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@ -182,15 +182,16 @@ const COMPAT_PRECISION float INV_BG_TEXTURE_SIZE = 1.0 / BG_TEXTURE_SIZE;
// Colour correction
#define TARGET_GAMMA 2.2
const COMPAT_PRECISION float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.86
#define CC_G 0.66
#define CC_B 0.81
#define CC_RG 0.11
#define CC_RB 0.1325
#define CC_GR 0.19
#define CC_GB 0.0575
#define CC_BR -0.05
#define CC_BG 0.23
#define CC_LUM 0.94
#define CC_R 0.82
#define CC_G 0.665
#define CC_B 0.73
#define CC_RG 0.125
#define CC_RB 0.195
#define CC_GR 0.24
#define CC_GB 0.075
#define CC_BR -0.06
#define CC_BG 0.21
void main()
{
@ -202,10 +203,10 @@ void main()
COMPAT_PRECISION vec3 colour = COMPAT_TEXTURE(Texture, InvTextureSize.xy * imgCenterCoord.xy).rgb;
// Darken colours (if required...) and apply colour correction
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA + 0.5 + DARKEN_COLOUR));
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA + 1.0 + DARKEN_COLOUR));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Generate grid pattern...

21
handheld/shaders/simpletex_lcd/simpletex_lcd_720p+gbc-color.glsl
View File

@ -182,15 +182,16 @@ const COMPAT_PRECISION float INV_BG_TEXTURE_SIZE = 1.0 / BG_TEXTURE_SIZE;
// Colour correction
#define TARGET_GAMMA 2.2
const COMPAT_PRECISION float INV_DISPLAY_GAMMA = 1.0 / 2.2;
#define CC_R 0.87
#define CC_G 0.66
#define CC_B 0.79
#define CC_RG 0.115
#define CC_RB 0.14
#define CC_GR 0.18
#define CC_GB 0.07
#define CC_BR -0.05
#define CC_BG 0.225
#define CC_LUM 0.94
#define CC_R 0.82
#define CC_G 0.665
#define CC_B 0.73
#define CC_RG 0.125
#define CC_RB 0.195
#define CC_GR 0.24
#define CC_GB 0.075
#define CC_BR -0.06
#define CC_BG 0.21
void main()
{
@ -205,7 +206,7 @@ void main()
colour.rgb = pow(colour.rgb, vec3(TARGET_GAMMA - 0.5 + DARKEN_COLOUR));
colour.rgb = mat3(CC_R, CC_RG, CC_RB,
CC_GR, CC_G, CC_GB,
CC_BR, CC_BG, CC_B) * colour.rgb;
CC_BR, CC_BG, CC_B) * (colour.rgb * CC_LUM);
colour.rgb = clamp(pow(colour.rgb, vec3(INV_DISPLAY_GAMMA)), 0.0, 1.0);
// Generate grid pattern...

2
presets/retro-v2+gba-color.glslp
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@ -10,5 +10,5 @@ scale0 = "1.000000"
filter_linear1 = "false"
parameters = "darken_screen;RETRO_PIXEL_SIZE"
darken_screen = "0.500000"
darken_screen = "1.000000"
RETRO_PIXEL_SIZE = "0.840000"