Adding additional fixes for the texture bugs

1 files changed, 21 insertions, 15 deletions

diff --git a/src/abstract_hardware_model.h b/src/abstract_hardware_model.h
index bbc31e5..201b21f 100644
--- a/src/abstract_hardware_model.h
+++ b/src/abstract_hardware_model.h
@@ -212,7 +212,7 @@ public:
 //      m_num_cores_running=0;
 //      m_param_mem=NULL;
 //   }
-   kernel_info_t( dim3 gridDim, dim3 blockDim, class function_info *entry, std::map<std::string, const struct cudaArray*> m_NameToCudaArray, std::map<std::string, const struct textureInfo*> m_NameToTexureInfo);
+   kernel_info_t( dim3 gridDim, dim3 blockDim, class function_info *entry, std::map<std::string, const struct cudaArray*> nameToCudaArray, std::map<std::string, const struct textureInfo*> nameToTexureInfo);
    ~kernel_info_t();
 
    void inc_running() { m_num_cores_running++; }
@@ -275,19 +275,22 @@ public:
    std::list<class ptx_thread_info *> &active_threads() { return m_active_threads; }
    class memory_space *get_param_memory() { return m_param_mem; }
 
+   
+   //The following functions access texture bindings present at the kernel's launch
+   
    const struct cudaArray* get_texarray( const std::string &texname ) const
-    {
-        std::map<std::string,const struct cudaArray*>::const_iterator t=m_NameToCudaArray.find(texname);
-        assert(t != m_NameToCudaArray.end());
-        return t->second;
-    }
+   {
+      std::map<std::string,const struct cudaArray*>::const_iterator t=m_NameToCudaArray.find(texname);
+      assert(t != m_NameToCudaArray.end());
+      return t->second;
+   }
 
-    const struct textureInfo* get_texinfo( const std::string &texname ) const
-    {
-        std::map<std::string, const struct textureInfo*>::const_iterator t=m_NameToTexureInfo.find(texname);
-        assert(t != m_NameToTexureInfo.end());
-        return t->second;
-    }
+   const struct textureInfo* get_texinfo( const std::string &texname ) const
+   {
+      std::map<std::string, const struct textureInfo*>::const_iterator t=m_NameToTexureInfo.find(texname);
+      assert(t != m_NameToTexureInfo.end());
+      return t->second;
+   }
 
 private:
    kernel_info_t( const kernel_info_t & ); // disable copy constructor
@@ -297,7 +300,8 @@ private:
 
    unsigned m_uid;
    static unsigned m_next_uid;
-
+   
+   //These maps contain the snapshot of the texture mappings at kernel launch
    std::map<std::string, const struct cudaArray*> m_NameToCudaArray;
    std::map<std::string, const struct textureInfo*> m_NameToTexureInfo;
 
@@ -611,7 +615,9 @@ public:
 
     const gpgpu_functional_sim_config &get_config() const { return m_function_model_config; }
     FILE* get_ptx_inst_debug_file() { return ptx_inst_debug_file; }
-
+    
+    //  These maps return the current texture mappings for the GPU at any given time.
+    
     std::map<std::string, const struct cudaArray*> getNameArrayMapping() {return m_NameToCudaArray;}
     std::map<std::string, const struct textureInfo*> getNameInfoMapping() {return m_NameToTexureInfo;}
 
@@ -624,7 +630,7 @@ protected:
     class memory_space *m_surf_mem;
 
     unsigned long long m_dev_malloc;
-    
+    //  These maps contain the current texture mappings for the GPU at any given time. 
     std::map<std::string, std::set<const struct textureReference*> > m_NameToTextureRef;
     std::map<const struct textureReference*, std::string> m_TextureRefToName;
     std::map<std::string, const struct cudaArray*> m_NameToCudaArray;