[dxbc] Removed <optional> dependency

src/dxbc/dxbc_compiler.cpp

@@ -547,13 +547,10 @@ namespace dxvk {
         result = this->selectOperandComponents(token, result, dstMask);
       
       // Apply source operand modifiers, if any
-      auto operandModifiers = operand.queryOperandExt(
-        DxbcOperandExt::OperandModifier);
+      DxbcOperandTokenExt token;
       
-      if (operandModifiers) {
-        result = this->applyOperandModifiers(
-          result, operandModifiers->data());
-      }
+      if (operand.queryOperandExt(DxbcOperandExt::OperandModifier, token))
+        result = this->applyOperandModifiers(result, token.data());
     }
     
     return result;

src/dxbc/dxbc_decoder.cpp

@@ -136,9 +136,9 @@ namespace dxvk {
   }
   
   
-  std::optional<DxbcOperandTokenExt> DxbcOperand::queryOperandExt(DxbcOperandExt ext) const {
+  bool DxbcOperand::queryOperandExt(DxbcOperandExt ext, DxbcOperandTokenExt& token) const {
     if (!this->token().isExtended())
-      return { };
+      return false;
     
     uint32_t extTokenId = 1;
     DxbcOperandTokenExt extToken;
@@ -146,11 +146,13 @@ namespace dxvk {
     do {
       extToken = m_info.getWord(extTokenId++);
       
-      if (extToken.type() == ext)
-        return extToken;
+      if (extToken.type() == ext) {
+        token = extToken;
+        return true;
+      }
     } while (extToken.isExtended());
     
-    return { };
+    return false;
   }
   
   
@@ -185,9 +187,9 @@ namespace dxvk {
   }
   
   
-  std::optional<DxbcOpcodeTokenExt> DxbcInstruction::queryOpcodeExt(DxbcExtOpcode extOpcode) const {
+  bool DxbcInstruction::queryOpcodeExt(DxbcExtOpcode extOpcode, DxbcOpcodeTokenExt& token) const {
     if (!this->token().isExtended())
-      return { };
+      return false;
     
     uint32_t extTokenId = 1;
     DxbcOpcodeTokenExt extToken;
@@ -195,11 +197,13 @@ namespace dxvk {
     do {
       extToken = m_op.getWord(extTokenId++);
       
-      if (extToken.opcode() == extOpcode)
-        return extToken;
+      if (extToken.opcode() == extOpcode) {
+        token = extToken;
+        return true;
+      }
     } while (extToken.isExtended());
     
-    return { };
+    return false;
   }
   
 }

src/dxbc/dxbc_decoder.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <cstring>
-#include <optional>
 
 #include "dxbc_enums.h"
 #include "dxbc_names.h"
@@ -508,10 +507,12 @@ namespace dxvk {
      * If an extended operand token with the given
      * operand extension exists, return that token.
      * \param [in] ext The operand extension
-     * \returns The extended operand token
+     * \param [out] token The extended token
+     * \returns \c true if the token was defined
      */
-    std::optional<DxbcOperandTokenExt> queryOperandExt(
-            DxbcOperandExt ext) const;
+    bool queryOperandExt(
+            DxbcOperandExt        ext,
+            DxbcOperandTokenExt&  token) const;
     
     /**
      * \brief Reads 32-bit immediate integer
@@ -579,11 +580,13 @@ namespace dxvk {
      * 
      * If an extended opcode token with the given
      * opcode exists, the token will be returned.
-     * \param extOpcode Extended opcode
-     * \returns Extended opcode token
+     * \param [in] extOpcode Extended opcode
+     * \param [out] token The extended token
+     * \returns \c true if the token was defined
      */
-    std::optional<DxbcOpcodeTokenExt> queryOpcodeExt(
-            DxbcExtOpcode extOpcode) const;
+    bool queryOpcodeExt(
+            DxbcExtOpcode       extOpcode,
+            DxbcOpcodeTokenExt& token) const;
     
     /**
      * \brief Retrieves argument word