add instanced linear depth effect + fix platforms

Effects/HLSL/LinearDepthEffectInstanced.fx

@@ -0,0 +1,55 @@
+#include "Macros.fxh"
+
+BEGIN_CONSTANTS
+
+    float4x4 ViewProjection    _vs(c4)             _cb(c4);
+
+    float3 LightPosition                 _ps(c0)   _cb(c8);
+    float FarPlane                       _ps(c1)   _cb(c9);
+
+END_CONSTANTS
+
+struct VertexShaderInput
+{
+    float4 Position : POSITION;
+};
+
+struct VertexShaderOutput
+{
+    float4 Position : SV_Position;
+    float3 PositionWorld : TEXCOORD0;
+};
+
+VertexShaderOutput instanced_vs(VertexShaderInput input, float3 Translation : TEXCOORD2)
+{
+    VertexShaderOutput output;
+
+    float4x4 world = float4x4(
+        float4(1, 0, 0, 0),
+        float4(0, 1, 0, 0),
+        float4(0, 0, 1, 0),
+        float4(Translation.x, Translation.y, Translation.z, 1)
+    );
+
+    float4x4 worldViewProjection = mul(world, ViewProjection);
+    output.Position = mul(input.Position, worldViewProjection);
+    output.Position.x *= -1; // otherwise cube map render will be horizontally flipped
+    output.PositionWorld = mul(input.Position, world);
+    return output;
+}
+
+float4 main_ps(VertexShaderOutput input) : SV_TARGET0
+{
+    float lightDistance = length(input.PositionWorld - LightPosition);
+    lightDistance /= FarPlane;
+    return float4(lightDistance, 0.0, 0.0, 0.0);
+}
+
+Technique SimpleDepth
+{
+    Pass
+    {
+        VertexShader = compile vs_3_0 instanced_vs();
+        PixelShader  = compile ps_3_0 main_ps();
+    }
+}

Effects/LinearDepthEffectInstanced.cs

@@ -0,0 +1,67 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace Kav
+{
+    public class LinearDepthEffectInstanced : Effect
+    {
+        EffectParameter viewProjectionParam;
+        EffectParameter lightPositionParam;
+        EffectParameter farPlaneParam;
+
+        EffectDirtyFlags dirtyFlags = EffectDirtyFlags.All;
+
+        Matrix view;
+        Matrix projection;
+
+        public Vector3 LightPosition { get; set; }
+        public float FarPlane { get; set; }
+
+        public Matrix View
+        {
+            get { return view; }
+            set
+            {
+                view = value;
+                dirtyFlags |= EffectDirtyFlags.ViewProj;
+            }
+        }
+
+        public Matrix Projection
+        {
+            get { return projection; }
+            set
+            {
+                projection = value;
+                dirtyFlags |= EffectDirtyFlags.ViewProj;
+            }
+        }
+
+        public LinearDepthEffectInstanced(GraphicsDevice graphicsDevice) : base(graphicsDevice, Resources.LinearDepthEffectInstanced)
+        {
+            CacheEffectParameters();
+        }
+
+        protected override void OnApply()
+        {
+            if ((dirtyFlags & EffectDirtyFlags.ViewProj) != 0)
+            {
+                Matrix.Multiply(ref view, ref projection, out Matrix viewProjection);
+                viewProjectionParam.SetValue(viewProjection);
+
+                dirtyFlags &= ~EffectDirtyFlags.ViewProj;
+            }
+
+            lightPositionParam.SetValue(LightPosition);
+            farPlaneParam.SetValue(FarPlane);
+        }
+
+        private void CacheEffectParameters()
+        {
+            viewProjectionParam      = Parameters["ViewProjection"];
+
+            lightPositionParam       = Parameters["LightPosition"];
+            farPlaneParam            = Parameters["FarPlane"];
+        }
+    }
+}

Kav.Core.csproj

@@ -49,6 +49,9 @@
     <EmbeddedResource Include="Effects\FXB\LinearDepthEffect.fxb">
       <LogicalName>Kav.Resources.LinearDepthEffect.fxb</LogicalName>
 		</EmbeddedResource>
+    <EmbeddedResource Include="Effects\FXB\LinearDepthEffectInstanced.fxb">
+      <LogicalName>Kav.Resources.LinearDepthEffectInstanced.fxb</LogicalName>
+    </EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\SkyboxEffect.fxb">
       <LogicalName>Kav.Resources.SkyboxEffect.fxb</LogicalName>
 		</EmbeddedResource>

Kav.Framework.csproj

@@ -7,7 +7,7 @@
     <Copyright>Evan Hemsley 2020</Copyright>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <AssemblyName>Kav</AssemblyName>
-    <Platforms>x64</Platforms>
+    <Platforms>x64;x86</Platforms>
   </PropertyGroup>
 
   <ItemGroup>
@@ -49,6 +49,9 @@
     <EmbeddedResource Include="Effects\FXB\LinearDepthEffect.fxb">
       <LogicalName>Kav.Resources.LinearDepthEffect.fxb</LogicalName>
 		</EmbeddedResource>
+    <EmbeddedResource Include="Effects\FXB\LinearDepthEffectInstanced.fxb">
+      <LogicalName>Kav.Resources.LinearDepthEffectInstanced.fxb</LogicalName>
+    </EmbeddedResource>
     <EmbeddedResource Include="Effects\FXB\SkyboxEffect.fxb">
       <LogicalName>Kav.Resources.SkyboxEffect.fxb</LogicalName>
 		</EmbeddedResource>

Resources.cs

@@ -135,6 +135,18 @@ namespace Kav
             }
         }
 
+        public static byte[] LinearDepthEffectInstanced
+        {
+            get
+            {
+                if (linearDepthEffectInstanced == null)
+                {
+                    linearDepthEffectInstanced = GetResource("LinearDepthEffectInstanced.fxb");
+                }
+                return linearDepthEffectInstanced;
+            }
+        }
+
         public static byte[] SkyboxEffect
         {
             get
@@ -182,6 +194,7 @@ namespace Kav
         private static byte[] simpleDepthEffect;
         private static byte[] simpleDepthEffectInstanced;
         private static byte[] linearDepthEffect;
+        private static byte[] linearDepthEffectInstanced;
         private static byte[] skyboxEffect;
         private static byte[] diffuseLitSpriteEffect;