Adding new files

2012-04-26 07:59:22 +00:00
parent 02faca16c4
commit a8011e9d7f
23 changed files with 4598 additions and 0 deletions
@@ -0,0 +1,99 @@
+// File: lzham_timer.h
+// See Copyright Notice and license at the end of include/lzham.h
+#pragma once
+
+namespace lzham
+{
+   typedef unsigned long long timer_ticks;
+      
+   class lzham_timer
+   {
+   public:
+      lzham_timer();
+      lzham_timer(timer_ticks start_ticks);
+      
+      void start();
+      void start(timer_ticks start_ticks);
+      
+      void stop();
+         
+      double get_elapsed_secs() const;
+      inline double get_elapsed_ms() const { return get_elapsed_secs() * 1000.0f; }
+      timer_ticks get_elapsed_us() const;
+      
+      static void init();
+      static inline timer_ticks get_ticks_per_sec() { return g_freq; }
+      static timer_ticks get_init_ticks();
+      static timer_ticks get_ticks();
+      static double ticks_to_secs(timer_ticks ticks);
+      static inline double ticks_to_ms(timer_ticks ticks) { return ticks_to_secs(ticks) * 1000.0f; }
+      static inline double get_secs() { return ticks_to_secs(get_ticks()); }
+      static inline double get_ms() { return ticks_to_ms(get_ticks()); }
+                   
+   private:
+      static timer_ticks g_init_ticks;
+      static timer_ticks g_freq;
+      static double g_inv_freq;
+      
+      timer_ticks m_start_time;
+      timer_ticks m_stop_time;
+      
+      bool m_started : 1;
+      bool m_stopped : 1;
+   };
+
+   enum var_args_t { cVarArgs };
+   
+#if LZHAM_PERF_SECTIONS
+   class scoped_perf_section
+   {
+   public:
+      inline scoped_perf_section() :
+         m_start_ticks(lzham_timer::get_ticks())
+      {
+         m_name[0] = '?';
+         m_name[1] = '\0';
+      }
+      
+      inline scoped_perf_section(const char *pName) :
+         m_start_ticks(lzham_timer::get_ticks())
+      {
+         strcpy_s(m_name, pName);
+         
+         lzham_buffered_printf("Thread: 0x%08X, BEGIN Time: %3.3fms, Section: %s\n", GetCurrentThreadId(), lzham_timer::ticks_to_ms(m_start_ticks), m_name);
+      }
+      
+      inline scoped_perf_section(var_args_t, const char *pName, ...) :
+         m_start_ticks(lzham_timer::get_ticks())
+      {
+         va_list args;
+         va_start(args, pName);
+         vsprintf_s(m_name, sizeof(m_name), pName, args);
+         va_end(args);
+         
+         lzham_buffered_printf("Thread: 0x%08X, BEGIN Time: %3.3fms, Section: %s\n", GetCurrentThreadId(), lzham_timer::ticks_to_ms(m_start_ticks), m_name);
+      }
+   
+      inline ~scoped_perf_section()
+      {
+         double end_ms = lzham_timer::get_ms();
+         double start_ms = lzham_timer::ticks_to_ms(m_start_ticks);
+         
+         lzham_buffered_printf("Thread: 0x%08X, END Time: %3.3fms, Total: %3.3fms, Section: %s\n", GetCurrentThreadId(), end_ms, end_ms - start_ms, m_name);
+      }
+
+   private:
+      char m_name[64];   
+      timer_ticks m_start_ticks;
+   };
+#else
+   class scoped_perf_section
+   {
+   public:
+      inline scoped_perf_section() { }
+      inline scoped_perf_section(const char *pName) { (void)pName; }
+      inline scoped_perf_section(var_args_t, const char *pName, ...) { (void)pName; }
+   };
+#endif // LZHAM_PERF_SECTIONS   
+
+} // namespace lzham