Graceful exit

2023-12-12 11:37:00 +01:00
parent 3feb331927
commit dc28979cfd
13 changed files with 99 additions and 255 deletions
@@ -1,63 +1,44 @@
+    const static float2 positions[3] = {
+      float2(0.0, -0.5),
+      float2(0.5, 0.5),
+      float2(-0.5, 0.5)
+    };

-struct MeshPayload
-{
-    int exponent;
-};
-
-groupshared MeshPayload payload;
-
-[numthreads(1, 1, 1)]
-[outputtopology("triangle")]
-void taskMain(
-	uint3 threadID: SV_GroupIndex,
-	uint3 groupID: SV_GroupID
-){
-	DispatchMesh(1,1,1,payload);
-}
-
-
-
-const static float2 positions[3] = {
-  float2(0.0, -0.5),
-  float2(0.5, 0.5),
-  float2(-0.5, 0.5)
-};
-
-const static float3 colors[3] = {
-  float3(1.0, 1.0, 0.0),
-  float3(0.0, 1.0, 1.0),
-  float3(1.0, 0.0, 1.0)
-};
-struct Vertex
-{
-  float4 pos : SV_Position;
-  float3 color : Color;
-  int index : Index;
-  int value : Value;
-};
-
-const static uint MAX_VERTS = 12;
-const static uint MAX_PRIMS = 4;
-
-[outputtopology("triangle")]
-[shader("mesh")]
-[numthreads(12, 1, 1)]
-void meshMain(
-    in uint tig : SV_GroupIndex,
-    in payload MeshPayload meshPayload,
-    out Vertices<Vertex, MAX_VERTS> verts,
-    out Indices<uint3, MAX_PRIMS> triangles)
-{
-    const uint numVertices = 12;
-    const uint numPrimitives = 4;
-    SetMeshOutputCounts(numVertices, numPrimitives);
-
-    if(tig < numVertices)
+    const static float3 colors[3] = {
+      float3(1.0, 1.0, 0.0),
+      float3(0.0, 1.0, 1.0),
+      float3(1.0, 0.0, 1.0)
+    };
+    struct Vertex
    {
-        const int tri = tig / 3;
-        verts[tig] = {float4(positions[tig % 3], 0, 1), colors[tig % 3], tri, int(pow(tri, meshPayload.exponent))};
-    }
+      float4 pos : SV_Position;
+      float3 color : Color;
+      int index : Index;
+    };

-    if(tig < numPrimitives)
-        triangles[tig] = tig * 3 + uint3(0,1,2);
-}
+    const static uint MAX_VERTS = 12;
+    const static uint MAX_PRIMS = 4;
+
+    [outputtopology("triangle")]
+    [shader("mesh")]
+    [numthreads(3, 1, 1)]
+    void meshMain(
+        in uint tig : SV_GroupIndex,
+        out Vertices<Vertex, MAX_VERTS> verts,
+        out Indices<uint3, MAX_PRIMS> triangles)
+    {
+        const uint numVertices = 12;
+        const uint numPrimitives = 4;
+        SetMeshOutputCounts(numVertices, numPrimitives);
+
+        for(uint i = tig; i < numVertices; ++i)
+        {
+            const int tri = i / 3;
+            verts[i] = {float4(positions[i % 3], 0, 1), colors[i % 3], tri};
+        }
+
+        for(uint i = tig; i < numPrimitives; ++i)
+        {
+            triangles[i] = i * 3 + uint3(0,1,2);
+        }
+    }