Home | History | Annotate | Download | only in common 
      1 //
      2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
      3 // Use of this source code is governed by a BSD-style license that can be
      4 // found in the LICENSE file.
      5 //
      6 
      7 // debug.cpp: Debugging utilities.
      8 
      9 #include "common/debug.h"
     10 #include "common/system.h"
     11 #include <d3d9.h>
     12 
     13 namespace gl
     14 {
     15 
     16 typedef void (WINAPI *PerfOutputFunction)(D3DCOLOR, LPCWSTR);
     17 
     18 static void output(bool traceFileDebugOnly, PerfOutputFunction perfFunc, const char *format, va_list vararg)
     19 {
     20 #if !defined(ANGLE_DISABLE_PERF)
     21     if (perfActive())
     22     {
     23         char message[32768];
     24         int len = vsprintf_s(message, format, vararg);
     25         if (len < 0)
     26         {
     27             return;
     28         }
     29 
     30         // There are no ASCII variants of these D3DPERF functions.
     31         wchar_t wideMessage[32768];
     32         for (int i = 0; i < len; ++i)
     33         {
     34             wideMessage[i] = message[i];
     35         }
     36         wideMessage[len] = 0;
     37 
     38         perfFunc(0, wideMessage);
     39     }
     40 #endif
     41 
     42 #if !defined(ANGLE_DISABLE_TRACE)
     43 #if defined(NDEBUG)
     44     if (traceFileDebugOnly)
     45     {
     46         return;
     47     }
     48 #endif
     49 
     50     FILE* file = fopen(TRACE_OUTPUT_FILE, "a");
     51     if (file)
     52     {
     53         vfprintf(file, format, vararg);
     54         fclose(file);
     55     }
     56 #endif
     57 }
     58 
     59 void trace(bool traceFileDebugOnly, const char *format, ...)
     60 {
     61     va_list vararg;
     62     va_start(vararg, format);
     63 #if defined(ANGLE_DISABLE_PERF)
     64     output(traceFileDebugOnly, NULL, format, vararg);
     65 #else
     66     output(traceFileDebugOnly, D3DPERF_SetMarker, format, vararg);
     67 #endif
     68     va_end(vararg);
     69 }
     70 
     71 bool perfActive()
     72 {
     73 #if defined(ANGLE_DISABLE_PERF)
     74     return false;
     75 #else
     76     static bool active = D3DPERF_GetStatus() != 0;
     77     return active;
     78 #endif
     79 }
     80 
     81 ScopedPerfEventHelper::ScopedPerfEventHelper(const char* format, ...)
     82 {
     83 #if !defined(ANGLE_DISABLE_PERF)
     84 #if defined(ANGLE_DISABLE_TRACE)
     85     if (!perfActive())
     86     {
     87         return;
     88     }
     89 #endif
     90     va_list vararg;
     91     va_start(vararg, format);
     92     output(true, reinterpret_cast<PerfOutputFunction>(D3DPERF_BeginEvent), format, vararg);
     93     va_end(vararg);
     94 #endif
     95 }
     96 
     97 ScopedPerfEventHelper::~ScopedPerfEventHelper()
     98 {
     99 #if !defined(ANGLE_DISABLE_PERF)
    100     if (perfActive())
    101     {
    102         D3DPERF_EndEvent();
    103     }
    104 #endif
    105 }
    106 }
    107