Add slang shaders for additional samples

shaders/slang/descriptorbuffer/cube.slang

@@ -0,0 +1,51 @@
+/* Copyright (c) 2025, Sascha Willems
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+struct VSInput
+{
+    float3 Pos;
+    float3 Normal;
+    float2 UV;
+    float3 Color;
+};
+
+struct VSOutput
+{
+    float4 Pos : SV_POSITION;
+    float3 Normal;
+    float3 Color;
+    float2 UV;
+};
+
+struct UBOCamera {
+    float4x4 projection;
+    float4x4 view;
+};
+ConstantBuffer<UBOCamera> uboCamera;
+
+struct UBOModel {
+    float4x4 local;
+};
+[[vk::binding(0, 1)]] ConstantBuffer<UBOModel> uboModel;
+
+[[vk::binding(0, 2)]] Sampler2D samplerColorMap;
+
+[shader("vertex")]
+VSOutput vertexMain(VSInput input)
+{
+    VSOutput output;
+    output.Normal = input.Normal;
+    output.Color = input.Color;
+    output.UV = input.UV;
+    output.Pos = mul(uboCamera.projection, mul(uboCamera.view, mul(uboModel.local, float4(input.Pos.xyz, 1.0))));
+    return output;
+}
+
+[shader("fragment")]
+float4 fragmentMain(VSOutput input)
+{
+    return samplerColorMap.Sample(input.UV) * float4(input.Color, 1.0);
+}