From 7d64554c36bce7296e7a324103ea30c1d60fa52f Mon Sep 17 00:00:00 2001
From: metallic77 <43163462+metallic77@users.noreply.github.com>
Date: Tue, 11 Apr 2023 16:01:12 +0300
Subject: [PATCH] various changes/additions (#384)

* Update crt-consumer.slangp

* change default parameters

* add mono display option & fix interlacing

* fix interlacing
---
 crt/crt-consumer.slangp              |  2 +-
 crt/shaders/crt-consumer.slang       | 24 ++++++-------
 crt/shaders/crt-gdv-mini-ultra.slang | 51 +++++++++++++++++++++++++---
 crt/shaders/crt-gdv-mini.slang       |  3 +-
 4 files changed, 61 insertions(+), 19 deletions(-)

diff --git a/crt/crt-consumer.slangp b/crt/crt-consumer.slangp
index fd981c1..08f2064 100644
--- a/crt/crt-consumer.slangp
+++ b/crt/crt-consumer.slangp
@@ -1,6 +1,6 @@
 shaders = "1"
 shader0 = "shaders/crt-consumer.slang"
-filter_linear0 = "true"
+filter_linear0 = "false"
 wrap_mode0 = "clamp_to_border"
 mipmap_input0 = "false"
 alias0 = ""
diff --git a/crt/shaders/crt-consumer.slang b/crt/shaders/crt-consumer.slang
index 7781a34..9310dbe 100644
--- a/crt/shaders/crt-consumer.slang
+++ b/crt/shaders/crt-consumer.slang
@@ -8,38 +8,38 @@ layout(push_constant) uniform Push
 } params;
 
 // Parameter lines go here:
-#pragma parameter blurx "Convergence X" 0.25 -4.0 4.0 0.05
-#pragma parameter blury "Convergence Y" -0.15 -4.0 4.0 0.05
+#pragma parameter blurx "Convergence X" 0.9 -4.0 4.0 0.05
+#pragma parameter blury "Convergence Y" 0.0 -4.0 4.0 0.05
 #pragma parameter warpx "Curvature X" 0.03 0.0 0.12 0.01
 #pragma parameter warpy "Curvature Y" 0.04 0.0 0.12 0.01
 #pragma parameter corner "Corner size" 0.01 0.0 0.10 0.01
 #pragma parameter smoothness "Border Smoothness" 400.0 25.0 600.0 5.0
 #pragma parameter scanlow "Beam low" 6.0 1.0 15.0 1.0
-#pragma parameter scanhigh "Beam high" 8.0 1.0 15.0 1.0
-#pragma parameter beamlow "Scanlines dark" 1.35 0.5 2.5 0.05 
-#pragma parameter beamhigh "Scanlines bright" 1.05 0.5 2.5 0.05 
-#pragma parameter brightboost1 "Bright boost dark pixels" 1.1 0.0 3.0 0.05
+#pragma parameter scanhigh "Beam high" 10.0 1.0 15.0 1.0
+#pragma parameter beamlow "Scanlines dark" 1.650.5 2.5 0.05 
+#pragma parameter beamhigh "Scanlines bright" 1.25 0.5 2.5 0.05 
+#pragma parameter brightboost1 "Bright boost dark pixels" 1.5 0.0 3.0 0.05
 #pragma parameter brightboost2 "Bright boost bright pixels" 1.05 0.0 3.0 0.05
 #pragma parameter Shadowmask "Mask Type" 7.0 -1.0 8.0 1.0 
 #pragma parameter masksize "Mask Size" 1.0 1.0 2.0 1.0
-#pragma parameter MaskDark "Mask dark" 0.5 0.0 2.0 0.1
+#pragma parameter MaskDark "Mask dark" 0.3 0.0 2.0 0.1
 #pragma parameter MaskLight "Mask light" 1.5 0.0 2.0 0.1
 #pragma parameter slotmask "Slot Mask Strength" 0.0 0.0 1.0 0.05
 #pragma parameter slotwidth "Slot Mask Width" 2.0 1.0 6.0 0.5
 #pragma parameter double_slot "Slot Mask Height: 2x1 or 4x1" 1.0 1.0 2.0 1.0
 #pragma parameter slotms "Slot Mask Size" 1.0 1.0 2.0 1.0
-#pragma parameter GAMMA_IN "Gamma In" 2.5 0.0 4.0 0.1
+#pragma parameter GAMMA_IN "Gamma In" 2.6 0.0 4.0 0.1
 #pragma parameter GAMMA_OUT "Gamma Out" 2.2 0.0 4.0 0.1
 #pragma parameter postbr "Post Brightness" 1.3 0.0 2.5 0.02
 #pragma parameter glow "Glow Strength" 0.05 0.0 0.5 0.01
 #pragma parameter Size "Glow Size" 1.0 0.1 4.0 0.05
-#pragma parameter sat "Saturation" 1.1 0.0 2.0 0.05
+#pragma parameter sat "Saturation" 1.3 0.0 2.0 0.05
 #pragma parameter contrast "Contrast, 1.0:Off" 1.0 0.00 2.00 0.05
-#pragma parameter nois "Noise" 0.0 0.0 32.0 1.0
-#pragma parameter WP "Color Temperature %" 0.0 -100.0 100.0 5.0 
+#pragma parameter nois "Noise" 8.0 0.0 32.0 1.0
+#pragma parameter WP "Color Temperature %" 30.0 -100.0 100.0 5.0 
 #pragma parameter inter "Interlacing Toggle" 1.0 0.0 1.0 1.0 
 #pragma parameter vignette "Vignette On/Off" 1.0 0.0 1.0 1.0
-#pragma parameter vpower "Vignette Power" 0.2 0.0 1.0 0.01
+#pragma parameter vpower "Vignette Power" 0.15 0.0 1.0 0.01
 #pragma parameter vstr "Vignette strength" 40.0 0.0 50.0 1.0
 #pragma parameter alloff "Switch off shader" 0.0 0.0 1.0 1.0
 
diff --git a/crt/shaders/crt-gdv-mini-ultra.slang b/crt/shaders/crt-gdv-mini-ultra.slang
index a1c09d0..8a23124 100644
--- a/crt/shaders/crt-gdv-mini-ultra.slang
+++ b/crt/shaders/crt-gdv-mini-ultra.slang
@@ -24,9 +24,7 @@
 
 layout(push_constant) uniform Push
 {
-	vec4 SourceSize;
-	vec4 OriginalSize;
-	vec4 OutputSize;
+
 	float brightboost;
 	float sat;
 	float glow;
@@ -46,6 +44,10 @@ layout(push_constant) uniform Push
     float warpY;
     float gamma_out;
     float vignette;
+    float mono;
+	float R;
+	float G;
+	float B;
 } params;
 
 // Parameter lines go here:
@@ -105,7 +107,17 @@ layout(push_constant) uniform Push
 #pragma parameter vignette 			"Vignette On/Off" 0.0 0.0 1.0 1.0
 #define vignette 	params.vignette
 
+#pragma parameter mono "Mono Display On/Off" 0.0 0.0 1.0 1.0
+#define mono params.mono
 
+#pragma parameter R "Mono Red/Channel" 1.0 0.0 2.0 0.01
+#define R params.R
+
+#pragma parameter G "Mono Green/Channel" 1.0 0.0 2.0 0.01
+#define G params.G
+
+#pragma parameter B "Mono Blue/Channel" 1.0 0.0 2.0 0.01
+#define B params.B
 
 
 
@@ -114,6 +126,8 @@ layout(std140, set = 0, binding = 0) uniform UBO
 	mat4 MVP;
 	vec4 FinalViewportSize;
 	vec4 OutputSize;
+    vec4 SourceSize;
+	vec4 OriginalSize;
 } global;
 
 #pragma stage vertex
@@ -142,6 +156,18 @@ float sw(float x, float l)
 	return d;
 }
 
+vec3 toGrayscale(vec3 color)
+{
+  float average = (color.r + color.g + color.b) / 3.0;
+  return vec3(average);
+}
+
+vec3 colorize(vec3 grayscale, vec3 color)
+{
+    return (grayscale * color);
+}
+
+
 // Shadow mask (1-4 from PD CRT Lottes shader).
 vec3 Mask(vec2 pos, vec3 c)
 {
@@ -409,7 +435,7 @@ void main()
 	vec2 pos = Warp(vTexCoord);
 
 	// HSM Added
-	vec4 SourceSize = params.SourceSize;
+	vec4 SourceSize = global.SourceSize;
 
 	vec2 ps = SourceSize.zw;
 	vec2 OGL2Pos = pos * SourceSize.xy;
@@ -436,9 +462,13 @@ void main()
 	float f = fp.y;
 	float luma1 = length(color1)*0.57735;
 	float luma2 = length(color2)*0.57735;
+
 	
 	vec3 color = color1*sw(f,luma1) + color2*sw(1.0-f,luma2);
-	
+	vec4 OriginalSize = global.OriginalSize;
+
+	if (OriginalSize.y >= 400.0) {color = (color1 + color2)/2.0;}
+
 	color = min(color, 1.0);
 	color = color * Mask(vTexCoord * global.OutputSize.xy, color);
 	float lum = color.r*0.3+color.g*0.6+color.b*0.1;
@@ -449,5 +479,16 @@ void main()
 
 	color = saturation(color);
 	color*= vign(lum);
+
+
+    if (mono == 1.0)
+	{
+    vec3 col1 = toGrayscale (color);
+    vec3 c = vec3(R, G, B);
+    color = colorize (col1, c);
+    }
+
+    else color = color;
+
 	FragColor = vec4(color, 1.0);
 }
diff --git a/crt/shaders/crt-gdv-mini.slang b/crt/shaders/crt-gdv-mini.slang
index d55e79c..3de5887 100644
--- a/crt/shaders/crt-gdv-mini.slang
+++ b/crt/shaders/crt-gdv-mini.slang
@@ -381,7 +381,8 @@ void main()
 	float luma2 = length(color2)*0.57735;
 	
 	vec3 color = color1*sw(f,luma1) + color2*sw(1.0-f,luma2);
-	
+	if (params.OriginalSize.y >= 400.0) {color = (color1 + color2)/2.0;}
+
 	color = min(color, 1.0);
 	color = color * Mask(vTexCoord * global.OutputSize.xy, color);
 	float lum = color.r*0.3+color.g*0.6+color.b*0.1;