Added Renderer2D and 2D Example

Sandbox/content/Shaders/render2dShader.hlsl

@@ -0,0 +1,44 @@
+cbuffer Constants : register(b0)
+{
+    float3x3 World;
+    float4 Color;
+    bool HasTexture;
+};
+
+Texture2D Texture : register(t0);
+SamplerState Sampler : register(s0);
+
+struct VS_Input
+{
+    float2 Position : POSITION;
+};
+
+struct PS_Input
+{
+    float4 Position : SV_Position;
+    float2 TexCoord : TEXCOORD;
+};
+
+PS_Input VS(VS_Input input)
+{
+    PS_Input output;
+
+    output.TexCoord = input.Position;
+    output.Position = float4(mul(float3(input.Position, 1.0f), World), 1.0f);
+
+    return output;
+}
+
+float4 PS(PS_Input input) : SV_Target0
+{
+    float4 color = Color;
+
+    if(HasTexture)
+    {
+        color *= Texture.Sample(Sampler, input.TexCoord);
+    }
+
+    return color;
+}
+
+#effect[VS=VS, PS=PS]

Sandbox/content/Shaders/render2dShaderInst.hlsl

@@ -0,0 +1,36 @@
+Texture2D Texture : register(t0);
+SamplerState Sampler : register(s0);
+
+struct VS_Input
+{
+    float2 Position   : POSITION;
+    float4x4 Tranform : TRANSFORM;
+    float4 Color      : COLOR;
+};
+
+struct PS_Input
+{
+    float4 Position : SV_Position;
+    float2 TexCoord : TEXCOORD0;
+    float4 Color : COLOR;
+};
+
+PS_Input VS(VS_Input input)
+{
+    PS_Input output;
+
+    output.Position = mul(float4(input.Position, 0.0f, 1.0f), input.Tranform);
+    output.TexCoord = input.Position;
+    output.Color = input.Color;
+
+    return output;
+}
+
+float4 PS(PS_Input input) : SV_Target0
+{
+    float4 color = input.Color * Texture.Sample(Sampler, input.TexCoord);
+    
+    return color;
+}
+
+#effect[VS=VS, PS=PS]