1 files changed, 87 insertions, 0 deletions
diff --git a/src/libs/dxvk-native-1.9.2a/src/dxbc/dxbc_analysis.h b/src/libs/dxvk-native-1.9.2a/src/dxbc/dxbc_analysis.h
new file mode 100644
index 00000000..1c09cc9c
--- /dev/null
+++ b/src/libs/dxvk-native-1.9.2a/src/dxbc/dxbc_analysis.h
@@ -0,0 +1,87 @@
+#pragma once
+
+#include "dxbc_chunk_isgn.h"
+#include "dxbc_decoder.h"
+#include "dxbc_defs.h"
+#include "dxbc_names.h"
+#include "dxbc_modinfo.h"
+#include "dxbc_util.h"
+
+namespace dxvk {
+  
+  /**
+   * \brief Info about unordered access views
+   * 
+   * Stores whether an UAV is accessed with typed
+   * read or atomic instructions. This information
+   * will be used to generate image types.
+   */
+  struct DxbcUavInfo {
+    bool accessTypedLoad = false;
+    bool accessAtomicOp  = false;
+    VkAccessFlags accessFlags = 0;
+  };
+  
+  /**
+   * \brief Counts cull and clip distances
+   */
+  struct DxbcClipCullInfo {
+    uint32_t numClipPlanes = 0;
+    uint32_t numCullPlanes = 0;
+  };
+  
+  /**
+   * \brief Shader analysis info
+   */
+  struct DxbcAnalysisInfo {
+    std::array<DxbcUavInfo, 64> uavInfos;
+    
+    DxbcClipCullInfo clipCullIn;
+    DxbcClipCullInfo clipCullOut;
+    
+    bool usesDerivatives  = false;
+    bool usesKill         = false;
+  };
+  
+  /**
+   * \brief DXBC shader analysis pass
+   * 
+   * Collects information about the shader itself
+   * and the resources used by the shader, which
+   * will later be used by the actual compiler.
+   */
+  class DxbcAnalyzer {
+    
+  public:
+    
+    DxbcAnalyzer(
+      const DxbcModuleInfo&     moduleInfo,
+      const DxbcProgramInfo&    programInfo,
+      const Rc<DxbcIsgn>&       isgn,
+      const Rc<DxbcIsgn>&       osgn,
+      const Rc<DxbcIsgn>&       psgn,
+            DxbcAnalysisInfo&   analysis);
+    
+    ~DxbcAnalyzer();
+    
+    /**
+     * \brief Processes a single instruction
+     * \param [in] ins The instruction
+     */
+    void processInstruction(
+      const DxbcShaderInstruction&  ins);
+    
+  private:
+    
+    Rc<DxbcIsgn> m_isgn;
+    Rc<DxbcIsgn> m_osgn;
+    Rc<DxbcIsgn> m_psgn;
+    
+    DxbcAnalysisInfo* m_analysis = nullptr;
+    
+    DxbcClipCullInfo getClipCullInfo(
+      const Rc<DxbcIsgn>& sgn) const;
+    
+  };
+  
+}