Added Line batch rendering

GlitchyEditor/content/Shaders/linebatch.hlsl

@@ -0,0 +1,61 @@
+#define EDITOR
+
+cbuffer Constants : register(b0)
+{
+    float4x4 ViewProjection;
+};
+
+struct VS_Input
+{
+    float4 Position : POSITION;
+    float4 Color    : COLOR;
+#ifdef EDITOR
+    uint EntityId   : ENTITYID;
+#endif
+};
+
+typedef struct PS_Input
+{
+    float4 Position : SV_Position;
+    float4 Color    : COLOR;
+#ifdef EDITOR
+    nointerpolation uint EntityId : ENTITYID;
+#endif
+} VS_Output;
+
+VS_Output VS(VS_Input input)
+{
+    VS_Output output;
+
+    output.Position = mul(ViewProjection, input.Position);
+    output.Color = input.Color;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+struct PS_Output
+{
+    float4 Color : SV_TARGET0;
+#ifdef EDITOR
+    uint EntityId : SV_TARGET1;
+#endif
+};
+
+PS_Output PS(PS_Input input)
+{
+    PS_Output output;
+
+    output.Color = input.Color;
+
+#ifdef EDITOR
+    output.EntityId = input.EntityId;
+#endif
+
+    return output;
+}
+
+#pragma Effect[VS=VS; PS=PS]