From e84d4d6a51cdf119569faf1b957a972b72afa78c Mon Sep 17 00:00:00 2001
From: hunterk <hunter_kaller@yahoo.com>
Date: Tue, 6 Dec 2016 20:27:55 -0600
Subject: [PATCH] add intensity setting for ntsc-color

---
 misc/ntsc-colors.slang | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/misc/ntsc-colors.slang b/misc/ntsc-colors.slang
index 52975fc..a38d2da 100755
--- a/misc/ntsc-colors.slang
+++ b/misc/ntsc-colors.slang
@@ -6,8 +6,11 @@ layout(push_constant) uniform Push
 	vec4 OriginalSize;
 	vec4 OutputSize;
 	uint FrameCount;
+	float intensity;
 } params;
 
+#pragma parameter intensity "NTSC Intensity" 0.0 0.0 1.0 0.05
+
 layout(std140, set = 0, binding = 0) uniform UBO
 {
 	mat4 MVP;
@@ -34,6 +37,6 @@ layout(set = 0, binding = 2) uniform sampler2D Source;
 void main()
 {
      vec3 color = texture(Source, vTexCoord).rgb;
-     color = NTSCtoSRGB(color.rgb);
+     color = mix(NTSCtoSRGB(color.rgb), color.rgb, params.intensity);
    FragColor = vec4(color, 1.0);
 }