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Assets/Shaders/ScreenFragment.nzsl

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+[nzsl_version("1.0")]
+module;
+
+struct VertOut
+{
+	[location(0)] uv: vec2[f32]
+}
+
+struct FragOut
+{
+	[location(0)] color: vec4[f32]
+}
+
+external
+{
+	[set(0), binding(0)] u_texture: sampler2D[f32]
+}
+
+option approximates_rgb: bool = false;
+
+fn LinearTosRGB(color: vec3[f32]) -> vec3[f32]
+{
+	const if(!approximates_rgb)
+	{
+		return select(
+			color > (0.0031308).rrr,
+			1.055 * pow(color, (1.0 / 2.4).rrr) - (0.055).rrr,
+			12.92 * color
+		);
+	}
+	else
+		return pow(color, (1.0 / 2.2).rrr);
+}
+
+option gamma_correction: bool = false;
+
+[entry(frag)]
+fn main(input: VertOut) -> FragOut
+{
+	let output: FragOut;
+	const if(gamma_correction)
+		output.color = vec4[f32](LinearTosRGB(u_texture.Sample(input.uv).xyz), 1.0);
+	else
+		output.color = u_texture.Sample(input.uv);
+	return output;
+}