michael@0: //
michael@0: // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: // debug.cpp: Debugging utilities.
michael@0: 
michael@0: #include "common/debug.h"
michael@0: #include "common/system.h"
michael@0: #include <d3d9.h>
michael@0: 
michael@0: namespace gl
michael@0: {
michael@0: 
michael@0: typedef void (WINAPI *PerfOutputFunction)(D3DCOLOR, LPCWSTR);
michael@0: 
michael@0: static void output(bool traceFileDebugOnly, PerfOutputFunction perfFunc, const char *format, va_list vararg)
michael@0: {
michael@0: #if !defined(ANGLE_DISABLE_PERF)
michael@0:     if (perfActive())
michael@0:     {
michael@0:         char message[32768];
michael@0:         int len = vsprintf_s(message, format, vararg);
michael@0:         if (len < 0)
michael@0:         {
michael@0:             return;
michael@0:         }
michael@0: 
michael@0:         // There are no ASCII variants of these D3DPERF functions.
michael@0:         wchar_t wideMessage[32768];
michael@0:         for (int i = 0; i < len; ++i)
michael@0:         {
michael@0:             wideMessage[i] = message[i];
michael@0:         }
michael@0:         wideMessage[len] = 0;
michael@0: 
michael@0:         perfFunc(0, wideMessage);
michael@0:     }
michael@0: #endif
michael@0: 
michael@0: #if !defined(ANGLE_DISABLE_TRACE)
michael@0: #if defined(NDEBUG)
michael@0:     if (traceFileDebugOnly)
michael@0:     {
michael@0:         return;
michael@0:     }
michael@0: #endif
michael@0: 
michael@0:     FILE* file = fopen(TRACE_OUTPUT_FILE, "a");
michael@0:     if (file)
michael@0:     {
michael@0:         vfprintf(file, format, vararg);
michael@0:         fclose(file);
michael@0:     }
michael@0: #endif
michael@0: }
michael@0: 
michael@0: void trace(bool traceFileDebugOnly, const char *format, ...)
michael@0: {
michael@0:     va_list vararg;
michael@0:     va_start(vararg, format);
michael@0: #if defined(ANGLE_DISABLE_PERF)
michael@0:     output(traceFileDebugOnly, NULL, format, vararg);
michael@0: #else
michael@0:     output(traceFileDebugOnly, D3DPERF_SetMarker, format, vararg);
michael@0: #endif
michael@0:     va_end(vararg);
michael@0: }
michael@0: 
michael@0: bool perfActive()
michael@0: {
michael@0: #if defined(ANGLE_DISABLE_PERF)
michael@0:     return false;
michael@0: #else
michael@0:     static bool active = D3DPERF_GetStatus() != 0;
michael@0:     return active;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: ScopedPerfEventHelper::ScopedPerfEventHelper(const char* format, ...)
michael@0: {
michael@0: #if !defined(ANGLE_DISABLE_PERF)
michael@0: #if defined(ANGLE_DISABLE_TRACE)
michael@0:     if (!perfActive())
michael@0:     {
michael@0:         return;
michael@0:     }
michael@0: #endif
michael@0:     va_list vararg;
michael@0:     va_start(vararg, format);
michael@0:     output(true, reinterpret_cast<PerfOutputFunction>(D3DPERF_BeginEvent), format, vararg);
michael@0:     va_end(vararg);
michael@0: #endif
michael@0: }
michael@0: 
michael@0: ScopedPerfEventHelper::~ScopedPerfEventHelper()
michael@0: {
michael@0: #if !defined(ANGLE_DISABLE_PERF)
michael@0:     if (perfActive())
michael@0:     {
michael@0:         D3DPERF_EndEvent();
michael@0:     }
michael@0: #endif
michael@0: }
michael@0: }