From 403ab75aebb4df79f4aa2878a94849415510f0b8 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 7 Nov 2017 15:11:09 +0100
Subject: [PATCH] [dxbc] More sophisticated component mask/swizzle classes

---
 src/dxbc/dxbc_type.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/dxbc/dxbc_type.cpp

diff --git a/src/dxbc/dxbc_type.cpp b/src/dxbc/dxbc_type.cpp
new file mode 100644
index 00000000..81366b10
--- /dev/null
+++ b/src/dxbc/dxbc_type.cpp
@@ -0,0 +1,25 @@
+#include "dxbc_type.h"
+
+namespace dxvk {
+  
+  DxbcComponentSwizzle DxbcComponentSwizzle::extract(DxbcComponentMask mask) const {
+    DxbcComponentSwizzle result;
+    
+    uint32_t j = 0;
+    for (uint32_t i = 0; i < m_components.size(); i++) {
+      if (mask.test(i))
+        result[j++] = m_components.at(i);
+    }
+    
+    return result;
+  }
+  
+  
+  DxbcComponentMask DxbcComponentSwizzle::mask(uint32_t n) const {
+    DxbcComponentMask mask;
+    for (uint32_t i = 0; i < n; i++)
+      mask.set(m_components.at(i));
+    return mask;
+  }
+  
+}
\ No newline at end of file