Add Pokefan531's newest color shaders. Keep original gba-color around as gba-color-old.

handheld/gba-color.slangp

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+shaders = 1
+
+shader0 = shaders/color/gba-color.slang
+filter_linear0 = false
+scale_type_0 = source

handheld/nds-color.slangp

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+shaders = 1
+
+shader0 = shaders/color/nds-color.slang
+filter_linear0 = false
+scale_type_0 = source

handheld/psp-color.slangp

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+shaders = 1
+
+shader0 = shaders/color/psp-color.slang
+filter_linear0 = false
+scale_type_0 = source

handheld/shaders/color/gba-color-old.slang

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+#version 450
+/*
+   Author: Pokefan531
+   License: Public domain
+*/
+
+// Shader that replicates the LCD dynamics from a GameBoy Advance
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+    mat4 MVP;
+    vec4 OutputSize;
+    vec4 OriginalSize;
+    vec4 SourceSize;
+} global;
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+void main()
+{
+    gl_Position = global.MVP * Position;
+    vTexCoord = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 1) in vec2 FragCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+
+vec3 grayscale(vec3 col)
+{
+    // Non-conventional way to do grayscale,
+    // but bSNES uses this as grayscale value.
+    return vec3(dot(col, vec3(0.2126, 0.7152, 0.0722)));
+}
+
+void main()
+{
+//part 1
+    float saturation    = 1.0;
+    float Display_gamma = 1.02;
+    float CRT_gamma     = 2.4;
+    float luminance     = 1.0;
+
+    vec3 gamma  = vec3(CRT_gamma / Display_gamma);
+    vec3 res    = texture(Source, vTexCoord).xyz;
+    res         = mix(grayscale(res), res, saturation); // Apply saturation
+    res         = pow(res, gamma.rgb); // Apply gamma
+    vec4 c      = vec4(clamp(res * luminance, 0.0, 1.0), 1.0);
+
+//part 2
+    float r = c.x;
+    float g = c.y;
+    float b = c.z;
+    float a = c.w;
+    float w = r * 0.714 + g * 0.251 + b * 0.000;
+    float q = r * 0.071 + g * 0.643 + b * 0.216;
+    float e = r * 0.071 + g * 0.216 + b * 0.643;
+
+//part 3
+    saturation      = 1.0;
+    Display_gamma   = 3.6;
+    CRT_gamma       = 2.4;
+    luminance       = 1.01;
+
+    res     = vec3(w, q, e);
+    gamma   = gamma = vec3(CRT_gamma / Display_gamma);
+    res     = mix(grayscale(res), res, saturation); // Apply saturation
+    res     = pow(res, gamma.rgb); // Apply gamma
+    
+    FragColor = vec4(clamp(res * luminance, 0.0, 1.0), 1.0);
+}

handheld/shaders/color/gba-color.slang

@@ -1,77 +1,81 @@
-#version 450
-/*
-   Author: Pokefan531
-   License: Public domain
-*/
-
-// Shader that replicates the LCD dynamics from a GameBoy Advance
-
-layout(std140, set = 0, binding = 0) uniform UBO
-{
-    mat4 MVP;
-    vec4 OutputSize;
-    vec4 OriginalSize;
-    vec4 SourceSize;
-} global;
-
-#pragma stage vertex
-layout(location = 0) in vec4 Position;
-layout(location = 1) in vec2 TexCoord;
-layout(location = 0) out vec2 vTexCoord;
-
-void main()
-{
-    gl_Position = global.MVP * Position;
-    vTexCoord = TexCoord;
-}
-
-#pragma stage fragment
-layout(location = 0) in vec2 vTexCoord;
-layout(location = 1) in vec2 FragCoord;
-layout(location = 0) out vec4 FragColor;
-layout(set = 0, binding = 2) uniform sampler2D Source;
-
-
-vec3 grayscale(vec3 col)
-{
-    // Non-conventional way to do grayscale,
-    // but bSNES uses this as grayscale value.
-    return vec3(dot(col, vec3(0.2126, 0.7152, 0.0722)));
-}
-
-void main()
-{
-//part 1
-    float saturation    = 1.0;
-    float Display_gamma = 1.02;
-    float CRT_gamma     = 2.4;
-    float luminance     = 1.0;
-
-    vec3 gamma  = vec3(CRT_gamma / Display_gamma);
-    vec3 res    = texture(Source, vTexCoord).xyz;
-    res         = mix(grayscale(res), res, saturation); // Apply saturation
-    res         = pow(res, gamma.rgb); // Apply gamma
-    vec4 c      = vec4(clamp(res * luminance, 0.0, 1.0), 1.0);
-
-//part 2
-    float r = c.x;
-    float g = c.y;
-    float b = c.z;
-    float a = c.w;
-    float w = r * 0.714 + g * 0.251 + b * 0.000;
-    float q = r * 0.071 + g * 0.643 + b * 0.216;
-    float e = r * 0.071 + g * 0.216 + b * 0.643;
-
-//part 3
-    saturation      = 1.0;
-    Display_gamma   = 3.6;
-    CRT_gamma       = 2.4;
-    luminance       = 1.01;
-
-    res     = vec3(w, q, e);
-    gamma   = gamma = vec3(CRT_gamma / Display_gamma);
-    res     = mix(grayscale(res), res, saturation); // Apply saturation
-    res     = pow(res, gamma.rgb); // Apply gamma
-    
-    FragColor = vec4(clamp(res * luminance, 0.0, 1.0), 1.0);
-}
+#version 450
+
+layout(push_constant) uniform Push
+{
+	float display_gamma;
+} params;
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+   mat4 MVP;
+   vec4 OutputSize;
+   vec4 OriginalSize;
+   vec4 SourceSize;
+} global;
+
+/*
+   Shader Modified: Pokefan531
+   Color Mangler
+   Author: hunterk
+   License: Public domain
+*/
+// Shader that replicates the LCD dynamics from a GameBoy Advance
+
+#pragma parameter display_gamma "Light Intensity" 1.8 1.0 2.5 0.05
+
+#define target_gamma 2.2
+#define sat 1.0
+#define lum 1.0
+#define contrast 1.0
+#define blr 0.0
+#define blg 0.0
+#define blb 0.0
+#define r 0.84
+#define g 0.67
+#define b 0.74
+#define rg 0.08
+#define rb 0.17
+#define gr 0.16
+#define gb 0.09
+#define br 0.0
+#define bg 0.26
+#define overscan_percent_x 0.0
+#define overscan_percent_y 0.0
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+void main()
+{
+   gl_Position = global.MVP * Position;
+   vTexCoord = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+void main()
+{
+   vec4 screen = pow(texture(Source, vTexCoord), vec4(target_gamma)).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 / params.display_gamma));
+}

handheld/shaders/color/nds-color.slang

@@ -0,0 +1,75 @@
+#version 450
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+   mat4 MVP;
+   vec4 OutputSize;
+   vec4 OriginalSize;
+   vec4 SourceSize;
+} global;
+
+/*
+   Shader Modified: Pokefan531
+   Color Mangler
+   Author: hunterk
+   License: Public domain
+*/
+// Shader that replicates the LCD dynamics from an Original Nintendo DS
+
+#define display_gamma 2.25
+#define target_gamma 2.2
+#define sat 1.0
+#define lum 1.0
+#define contrast 1.0
+#define blr 0.0
+#define blg 0.0
+#define blb 0.0
+#define r 0.77
+#define g 0.65
+#define b 0.74
+#define rg 0.09
+#define rb 0.09
+#define gr 0.23
+#define gb 0.11
+#define br 0.0
+#define bg 0.26
+#define overscan_percent_x 0.0
+#define overscan_percent_y 0.0
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+void main()
+{
+   gl_Position = global.MVP * Position;
+   vTexCoord = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+void main()
+{
+   vec4 screen = pow(texture(Source, vTexCoord), vec4(target_gamma)).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));
+}

handheld/shaders/color/psp-color.slang

@@ -0,0 +1,75 @@
+#version 450
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+   mat4 MVP;
+   vec4 OutputSize;
+   vec4 OriginalSize;
+   vec4 SourceSize;
+} global;
+
+/*
+   Shader Modified: Pokefan531
+   Color Mangler
+   Author: hunterk
+   License: Public domain
+*/
+// Shader that replicates the LCD dynamics from PSP 1000 and PSP 2000
+
+#define display_gamma 2.2
+#define target_gamma 2.21
+#define sat 1.0
+#define lum 1.0
+#define contrast 1.0
+#define blr 0.0
+#define blg 0.0
+#define blb 0.0
+#define r 0.97
+#define g 0.75
+#define b 0.995
+#define rg 0.01
+#define rb 0.0025
+#define gr 0.005
+#define gb 0.0025
+#define br 0.0
+#define bg 0.24
+#define overscan_percent_x 0.0
+#define overscan_percent_y 0.0
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+void main()
+{
+   gl_Position = global.MVP * Position;
+   vTexCoord = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+void main()
+{
+   vec4 screen = pow(texture(Source, vTexCoord), vec4(target_gamma)).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));
+}

handheld/shaders/color/vba-color.slang

@@ -0,0 +1,81 @@
+#version 450
+
+layout(push_constant) uniform Push
+{
+   float target_gamma;
+} params;
+
+layout(std140, set = 0, binding = 0) uniform UBO
+{
+   mat4 MVP;
+   vec4 OutputSize;
+   vec4 OriginalSize;
+   vec4 SourceSize;
+} global;
+
+/*
+   Shader Modified: Pokefan531
+   Color Mangler
+   Author: hunterk
+   License: Public domain
+*/
+// Shader that replicates the LCD dynamics from a GameBoy Advance
+
+#pragma parameter target_gamma "Darken Intensity" 2.9 1.0 2.9 0.05
+
+#define display_gamma 1.45
+#define sat 1.0
+#define lum 1.0
+#define contrast 1.0
+#define blr 0.0
+#define blg 0.0
+#define blb 0.0
+#define r 0.74
+#define g 0.68
+#define b 0.68
+#define rg 0.08
+#define rb 0.08
+#define gr 0.26
+#define gb 0.24
+#define br 0.0
+#define bg 0.24
+#define overscan_percent_x 0.0
+#define overscan_percent_y 0.0
+
+#pragma stage vertex
+layout(location = 0) in vec4 Position;
+layout(location = 1) in vec2 TexCoord;
+layout(location = 0) out vec2 vTexCoord;
+
+void main()
+{
+   gl_Position = global.MVP * Position;
+   vTexCoord = TexCoord;
+}
+
+#pragma stage fragment
+layout(location = 0) in vec2 vTexCoord;
+layout(location = 0) out vec4 FragColor;
+layout(set = 0, binding = 2) uniform sampler2D Source;
+
+void main()
+{
+   vec4 screen = pow(texture(Source, vTexCoord), vec4(params.target_gamma)).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));
+}

handheld/vba-color.slangp

@@ -0,0 +1,5 @@
+shaders = 1
+
+shader0 = shaders/color/vba-color.slang
+filter_linear0 = false
+scale_type_0 = source