Some renaming

betterRenderer/shaders/culling.hlsl

@@ -0,0 +1,43 @@
+
+StructuredBuffer<float4x3> g_InTransforms : register(t0);
+RWStructuredBuffer<float4x3> g_OutCulledTransforms : register(u0);
+
+struct CommandBuffer {
+  uint g_IndexCountPerInstance;
+  uint g_InstanceCount;
+  uint g_StartIndexLocation;
+  int  g_BaseVertexLocation;
+  uint g_StartInstanceLocation;
+};
+
+RWStructuredBuffer<CommandBuffer> g_CommandBuffer : register(u1);
+
+cbuffer ViewData : register(b0) {
+  float4 g_FrustumPlanes[6];
+  float4x4 g_Projection;
+}
+
+cbuffer PushConstants : register(b1) {
+  float3 g_Origin;
+  float g_InstanceRadius;
+  float g_MinRadius;
+  float g_MaxRadius;
+  uint g_NumInstances;
+}
+
+[numthreads(64, 1, 1)]
+void main(uint3 DispatchId : SV_DispatchThreadID) {
+  if(DispatchId.x >= g_NumInstances) return;
+  float4x3 instance = g_InTransforms[DispatchId.x];
+  //float3 position = mul(float4(0., 0., 0., 1.), instance) + g_Origin;
+  //for(int i = 0; i < 6; ++i) {
+  //  if(dot(float4(position, 1.), g_FrustumPlanes[i]) < -g_InstanceRadius) return;
+  //}
+  //float4 ndc = mul(g_Projection, float4(0., g_InstanceRadius, -length(position), 1.));
+  //float radius = ndc.y / ndc.w;
+  //if(radius > g_MinRadius && radius <= g_MaxRadius) {
+    uint index;
+    InterlockedAdd(g_CommandBuffer[0].g_InstanceCount, 1, index);
+    g_OutCulledTransforms[index] = instance;
+  //}
+}