TextureFX Update 2.0

packages/VL.Stride.Runtime/src/Effects/Common/ShaderUtils.sdsl

@@ -253,4 +253,11 @@ shader ShaderUtils
         float y = cos(a) * pt.y - sin(a) * pt.x;
         return float2(x,y);
     }
+
+    // TRANSFORM 2D ==============================================================
+
+    float2 TransformUV(float2 uv, float4x4 transform)
+    {
+        return mul(float4((uv.xy * 2 - 1) * float2(1, -1) * 0.5, 0, 1), transform).xy * float2(1, -1) + 0.5;
+    }
 };

packages/VL.Stride.Runtime/src/Effects/TextureFX/Sources/Checkerboard_TextureFX.sdsl

@@ -4,18 +4,22 @@
 [Tags("chessboard")]
 shader Checkerboard_TextureFX : TextureFX
 {
-    int2 CellCount = int2(8, 8);
+    [Default(8.0f, 8.0f)]
+    compose ComputeFloat2 CellCount;
 
     [Color]
     float4 Black = float4(0, 0, 0, 1);
     [Color]
     float4 White = float4(1, 1, 1, 1);
 
+    float4x4 Transform;
+
     stage override float4 Shading()
     {
         //compute size
-        float2 stepHV = 1 / float2(CellCount.x, CellCount.y);
-        float2 uv = streams.TexCoord;
+        float2 cellCount = CellCount.Compute();
+        float2 stepHV = 1 / float2(cellCount.x, cellCount.y);
+        float2 uv = TransformUV(streams.TexCoord, Transform);
 
         //compute black|white
         float2 cHV = abs(uv) / stepHV;

packages/VL.Stride.Runtime/src/Effects/TextureFX/Sources/Checkerboard_TextureFX.sdsl.cs

@@ -0,0 +1,25 @@
+// <auto-generated>
+// Do not edit this file yourself!
+//
+// This code was generated by Stride Shader Mixin Code Generator.
+// To generate it yourself, please install Stride.VisualStudio.Package .vsix
+// and re-save the associated .sdfx.
+// </auto-generated>
+
+using System;
+using Stride.Core;
+using Stride.Rendering;
+using Stride.Graphics;
+using Stride.Shaders;
+using Stride.Core.Mathematics;
+using Buffer = Stride.Graphics.Buffer;
+
+namespace Stride.Rendering
+{
+    public static partial class Checkerboard_TextureFXKeys
+    {
+        public static readonly ValueParameterKey<Color4> Black = ParameterKeys.NewValue<Color4>(new Color4(0,0,0,1));
+        public static readonly ValueParameterKey<Color4> White = ParameterKeys.NewValue<Color4>(new Color4(1,1,1,1));
+        public static readonly ValueParameterKey<Matrix> Transform = ParameterKeys.NewValue<Matrix>();
+    }
+}