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