Dynamically set colors during runtime

2021-05-03 22:06:55 +02:00
parent 37a9256587
commit 900d59b3ac
5 changed files with 130 additions and 53 deletions
@@ -5,6 +5,12 @@ Texture2D image : register(t0);

 SamplerState def_sampler : register(s0);

+cbuffer ColorMatrix : register(b0) {
+	float4 color_vec_y;
+	float4 color_vec_u;
+	float4 color_vec_v;
+};
+
 struct PS_INPUT
 {
 	float4 pos : SV_POSITION;
@@ -16,11 +22,8 @@ struct PS_INPUT
 //--------------------------------------------------------------------------------------
 float PS(PS_INPUT frag_in) : SV_Target
 {
-	float4 color_vec_y = { 0.299, 0.587, 0.114, 0.0625 };
-	float4 color_vec_u = { -0.168736, -0.331264, 0.5, 0.5 };
-	float4 color_vec_v = { 0.5, -0.418688, -0.081312, 0.5 };
-
 	float3 rgb = image.Load(int3(frag_in.pos.xy, 0)).rgb;
 	float y = dot(color_vec_y.xyz, rgb) + color_vec_y.w;
+
 	return y;
 }