add runtime phosphor layout selection

crt/phosphorlut.slangp

@@ -32,10 +32,7 @@ srgb_framebuffer3 = true
 shader4 = shaders/phosphorlut/phosphorlut-pass1.slang
 filter_linear4 = true
 
-textures = "Phosphors"
-Phosphors = shaders/phosphorlut/luts/rgb-shadowmask.png
-//Phosphors = shaders/phosphorlut/luts/cmy-shadowmask.png
-//Phosphors = shaders/phosphorlut/luts/rgb-aperture-grille.png
-//Phosphors = shaders/phosphorlut/luts/cmy-aperture-grille.png
-//Phosphors = shaders/phosphorlut/luts/rgb-slotmask.png
-//Phosphors = shaders/phosphorlut/luts/cmy-slotmask.png
+textures = "shadow;aperture;slot"
+shadow = shaders/phosphorlut/luts/shadowmask.png
+aperture = shaders/phosphorlut/luts/aperture-grille.png
+slot = shaders/phosphorlut/luts/slotmask.png

crt/shaders/phosphorlut/phosphorlut-pass0.slang

@@ -8,13 +8,16 @@ layout(push_constant) uniform Push
 	uint FrameCount;
 	float PHOSPHOR_SCALE_X;
 	float PHOSPHOR_SCALE_Y;
+	float phosphor_layout;
 } params;
 
 #pragma parameter PHOSPHOR_SCALE_X "Phosphor Scale X" 2.0 1.0 12.0 1.0
 #pragma parameter PHOSPHOR_SCALE_Y "Phosphor Scale Y" 4.0 1.0 12.0 1.0
+#pragma parameter phosphor_layout "Phosphor Layout" 1.0 1.0 3.0 1.0
 
 #define PHOSPHOR_SCALE_X params.PHOSPHOR_SCALE_X
 #define PHOSPHOR_SCALE_Y params.PHOSPHOR_SCALE_Y
+#define phosphor_layout params.phosphor_layout
 
 layout(std140, set = 0, binding = 0) uniform UBO
 {
@@ -36,13 +39,18 @@ void main()
 layout(location = 0) in vec2 vTexCoord;
 layout(location = 0) out vec4 FragColor;
 layout(set = 0, binding = 2) uniform sampler2D Source;
-layout(set = 0, binding = 3) uniform sampler2D Phosphors;
-layout(set = 0, binding = 4) uniform sampler2D firstPass;
+layout(set = 0, binding = 3) uniform sampler2D shadow;
+layout(set = 0, binding = 4) uniform sampler2D aperture;
+layout(set = 0, binding = 5) uniform sampler2D slot;
+layout(set = 0, binding = 6) uniform sampler2D firstPass;
 
 void main()
 {
 	vec4 screen = vec4(texture(firstPass, vTexCoord).rgb, 1.0);
 	vec2 LUTeffectiveCoord = vec2(fract(vTexCoord.x * params.SourceSize.x / PHOSPHOR_SCALE_X), fract(vTexCoord.y * params.SourceSize.y / PHOSPHOR_SCALE_Y));
-	vec4 phosphor_grid = vec4(texture(Phosphors, LUTeffectiveCoord).rgb, 1.0);
+	vec4 phosphor_grid;
+	if (phosphor_layout == 1.0) phosphor_grid = vec4(texture(shadow, LUTeffectiveCoord).rgb, 1.0);
+	if (phosphor_layout == 2.0) phosphor_grid = vec4(texture(aperture, LUTeffectiveCoord).rgb, 1.0);
+	if (phosphor_layout == 3.0) phosphor_grid = vec4(texture(slot, LUTeffectiveCoord).rgb, 1.0);
    FragColor = screen * phosphor_grid;
 }