[dxbc] Implement EmitThenCut / EmitThenCutStream

src/dxbc/dxbc_compiler.cpp

@@ -1994,25 +1994,19 @@ namespace dxvk {
   
   
   void DxbcCompiler::emitGeometryEmit(const DxbcShaderInstruction& ins) {
-    switch (ins.op) {
+    // Checking the negation is easier for EmitThenCut/EmitThenCutStream
-      case DxbcOpcode::Emit:
+    bool doEmit = ins.op != DxbcOpcode::Cut && ins.op != DxbcOpcode::CutStream;
-      case DxbcOpcode::EmitStream: {
+    bool doCut = ins.op != DxbcOpcode::Emit && ins.op != DxbcOpcode::EmitStream;
+
+    if (doEmit) {
       emitOutputSetup();
       emitClipCullStore(DxbcSystemValue::ClipDistance, m_clipDistances);
       emitClipCullStore(DxbcSystemValue::CullDistance, m_cullDistances);
       m_module.opEmitVertex();
-      } break;
-      
-      case DxbcOpcode::Cut:
-      case DxbcOpcode::CutStream: {
-        m_module.opEndPrimitive();
-      } break;
-      
-      default:
-        Logger::warn(str::format(
-          "DxbcCompiler: Unhandled instruction: ",
-          ins.op));
     }
+
+    if (doCut)
+      m_module.opEndPrimitive();
   }
   
   

src/dxbc/dxbc_defs.cpp

@@ -87,7 +87,7 @@ namespace dxvk {
     /* Emit                                 */
     { 0, DxbcInstClass::GeometryEmit },
     /* EmitThenCut                          */
-    { },
+    { 0, DxbcInstClass::GeometryEmit },
     /* EndIf                                */
     { 0, DxbcInstClass::ControlFlow },
     /* EndLoop                              */
@@ -582,7 +582,9 @@ namespace dxvk {
       { DxbcOperandKind::DstReg, DxbcScalarType::Uint32  },
     } },
     /* EmitThenCutStream                    */
-    { },
+    { 1, DxbcInstClass::GeometryEmit, {
+      { DxbcOperandKind::DstReg, DxbcScalarType::Uint32  },
+    } },
     /* InterfaceCall                        */
     { },
     /* BufInfo                              */