Reimplemented Renderer2D

- Renderer2D now static
- Renderer now calls Init and Deinit of Renderer2D
- Renderer2D  now calls Init and Deinit of FontRenderer
- Fixed Deinit order of Layers and renderer (e.g. Layers now deinit first)
- Sandbox2D now uses SandboxApp (only loads different layer)

Sandbox/content/Shaders/textureViewerShader.hlsl

@@ -3,6 +3,8 @@ SamplerState Sampler : register(s0);
 
 cbuffer Constants
 {
+    float4x4 ViewProjection;
+
     float ColorOffset = 0.5f;
     float AlphaOffset = 0.0f;
     float ColorScale = 0.5f;
@@ -13,16 +15,17 @@ cbuffer Constants
 
 struct VS_Input
 {
-    float2 Position    : POSITION;
-    float4x4 Tranform  : TRANSFORM;
-    float4 Color       : COLOR;
-    float4 UVTransform : TEXCOORD;
+    float2 Position     : POSITION;
+    float2 Texcoord     : TEXCOORD0;
+    float4x4 Transform  : TRANSFORM;
+    float4 Color        : COLOR;
+    float4 UVTransform  : TEXCOORD1;
 };
 
 struct PS_Input
 {
     float4 Position : SV_Position;
-    float2 TexCoord : TEXCOORD0;
+    float2 Texcoord : TEXCOORD0;
     float4 Color : COLOR;
 };
 
@@ -30,8 +33,8 @@ PS_Input VS(VS_Input input)
 {
     PS_Input output;
 
-    output.Position = mul(float4(input.Position, 0.0f, 1.0f), input.Tranform);
-    output.TexCoord = input.UVTransform.xy + input.UVTransform.zw * input.Position;
+    output.Position = mul(ViewProjection, mul(input.Transform, float4(input.Position, 0.0f, 1.0f)));
+    output.Texcoord = input.UVTransform.xy + input.UVTransform.zw * input.Texcoord;
     output.Color = input.Color;
 
     return output;
@@ -39,7 +42,7 @@ PS_Input VS(VS_Input input)
 
 float4 PS(PS_Input input) : SV_Target0
 {
-    float4 color = Texture.Sample(Sampler, input.TexCoord);
+    float4 color = Texture.Sample(Sampler, input.Texcoord);
 
     float4 final = float4(ColorOffset.xxx, AlphaOffset) + color * float4(ColorScale.xxx, AlphaScale);