Some renaming

betterRenderer/shaders/gs_shadowcascade_viewports.hlsl

@@ -0,0 +1,48 @@
+#pragma pack_matrix(column_major)
+
+struct VertexInput {
+  float3 m_Position : Position;
+  float4 m_PositionCS : PositionCS;
+  float4 m_HistoryPositionCS : HistoryPositionCS;
+  float3 m_Normal : Normal;
+  float2 m_TexCoord : TexCoord;
+  float4 m_Tangent : Tangent;
+  float4 m_PositionSV : SV_Position;
+};
+
+struct VertexOutput {
+  float3 m_Position : Position;
+  float4 m_PositionCS : PositionCS;
+  float4 m_HistoryPositionCS : HistoryPositionCS;
+  float3 m_Normal : Normal;
+  float2 m_TexCoord : TexCoord;
+  float4 m_Tangent : Tangent;
+  float4 m_PositionSV : SV_Position;
+  uint m_ViewportIndex : SV_RenderTargetArrayIndex;
+};
+
+#define CASCADE_COUNT 4
+
+cbuffer CubeDrawConstants : register(b0) {
+  float4x4 g_CascadeProjections[CASCADE_COUNT];
+};
+
+[maxvertexcount(CASCADE_COUNT*3)]
+void main(triangle in VertexInput gs_in[3], inout TriangleStream<VertexOutput> gs_out) {
+  for(uint vp = 0; vp < CASCADE_COUNT; ++vp) {
+    for(uint vertex = 0; vertex < 3; ++vertex) {
+      VertexOutput output;
+      VertexInput input = gs_in[vertex];
+      output.m_Position = input.m_Position;
+      output.m_PositionCS = mul(g_CascadeProjections[vp], float4(output.m_Position, 1.));
+      output.m_HistoryPositionCS = output.m_PositionCS;
+      output.m_PositionSV = output.m_PositionCS;
+      output.m_Normal = input.m_Normal;
+      output.m_TexCoord = input.m_TexCoord;
+      output.m_Tangent = input.m_Tangent;
+      output.m_ViewportIndex = vp;
+      gs_out.Append(output);
+    }
+    gs_out.RestartStrip();
+  }
+}