Composit Target and gamma correct rendering

GlitchyEngine/src/Math/ColorRGB.bf

@@ -0,0 +1,60 @@
+using System;
+
+using internal GlitchyEngine.Math;
+
+namespace GlitchyEngine.Math
+{
+	/// Represents an RGB color.
+	[CRepr]
+	public struct ColorRGB
+	{
+		/**
+		 * A value representing the color of the red component.
+		 * The range of this value is between 0 and 1.
+		*/
+		public float R;
+		/**
+		 * A value representing the color of the green component.
+		 * The range of this value is between 0 and 1.
+		*/
+		public float G;
+		/**
+		 * A value representing the color of the blue component.
+		 * The range of this value is between 0 and 1.
+		*/
+		public float B;
+
+		public this()
+		{
+			this = default;
+		}
+
+		public this(float red, float green, float blue)
+		{
+			R = red;
+			G = green;
+			B = blue;
+		}
+
+		public this(ColorRGBA color)
+		{
+			R = color.R;
+			G = color.G;
+			B = color.B;
+		}
+
+		// Converts a Color from sRGB color space to Linear color space.
+		public static ColorRGB SRgbToLinear(ColorRGB sRGB) => ColorRGB(Math.Pow(sRGB.R, srgbToLin), Math.Pow(sRGB.G, srgbToLin), Math.Pow(sRGB.B, srgbToLin));
+
+		// Converts a Color from linear color space to sRGB color space.
+		public static ColorRGB LinearToSRGB(ColorRGB linear) => ColorRGB(Math.Pow(linear.R, linToSRGB), Math.Pow(linear.G, linToSRGB), Math.Pow(linear.B, linToSRGB));
+
+		[Inline]
+#unwarn
+		public static explicit operator Vector3(ColorRGB color) => *(Vector3*)&color;
+		
+		[Inline]
+#unwarn
+		public static explicit operator ColorRGB(Vector3 color) => *(ColorRGB*)&color;
+	}
+}