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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_COMMON_LOGGING_H_
#define GPU_COMMAND_BUFFER_COMMON_LOGGING_H_
#include <assert.h>
#include <iostream>
// Windows defines an ERROR macro.
#ifdef ERROR
#undef ERROR
#endif
namespace gpu {
// Members are uppercase instead of kCamelCase for consistency with base log
// severity enum.
enum LogLevel {
INFO,
WARNING,
ERROR,
FATAL
};
// This is a very simple logger for use in command buffer code. Common and
// command buffer code cannot be dependent on base. It just outputs the message
// to stderr.
class Logger {
public:
Logger(bool condition, LogLevel level)
: condition_(condition),
level_(level) {
}
template <typename X>
static Logger CheckTrue(const X& x,
const char* file, int line,
const char* x_name,
const char* check_name) {
return Logger(!!x, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << ")) failed. ";
}
template <typename X, typename Y>
static Logger CheckEqual(const X& x, const Y& y,
const char* file, int line,
const char* x_name, const char* y_name,
const char* check_name) {
return Logger(x == y, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << "), "
<< y_name << "(" << y << ")) failed. ";
}
template <typename X, typename Y>
static Logger CheckNotEqual(const X& x, const Y& y,
const char* file, int line,
const char* x_name, const char* y_name,
const char* check_name) {
return Logger(x != y, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << "), "
<< y_name << "(" << y << ")) failed. ";
}
template <typename X, typename Y>
static Logger CheckLessThan(const X& x, const Y& y,
const char* file, int line,
const char* x_name, const char* y_name,
const char* check_name) {
return Logger(x < y, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << "), "
<< y_name << "(" << y << ")) failed. ";
}
template <typename X, typename Y>
static Logger CheckGreaterThan(const X& x, const Y& y,
const char* file, int line,
const char* x_name, const char* y_name,
const char* check_name) {
return Logger(x > y, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << "), "
<< y_name << "(" << y << ")) failed. ";
}
template <typename X, typename Y>
static Logger CheckLessEqual(const X& x, const Y& y,
const char* file, int line,
const char* x_name, const char* y_name,
const char* check_name) {
return Logger(x <= y, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << "), "
<< y_name << "(" << y << ")) failed. ";
}
template <typename X, typename Y>
static Logger CheckGreaterEqual(const X& x, const Y& y,
const char* file, int line,
const char* x_name, const char* y_name,
const char* check_name) {
return Logger(x >= y, FATAL)
<< file << "(" << line << "): " << check_name
<< "(" << x_name << " (" << x << "), "
<< y_name << "(" << y << ")) failed. ";
}
~Logger() {
if (!condition_) {
std::cerr << std::endl;
std::cerr.flush();
if (level_ == FATAL)
assert(false);
}
}
template <typename T>
Logger& operator<<(const T& value) {
if (!condition_)
std::cerr << value;
return *this;
}
private:
Logger(const Logger& logger): condition_(logger.condition_) {
}
bool condition_;
LogLevel level_;
};
} // namespace gpu
#define GPU_CHECK(X) ::gpu::Logger::CheckTrue( \
(X), __FILE__, __LINE__, #X, "GPU_CHECK")
#define GPU_CHECK_EQ(X, Y) ::gpu::Logger::CheckEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_CHECK_EQ")
#define GPU_CHECK_NE(X, Y) ::gpu::Logger::CheckNotEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_CHECK_NE")
#define GPU_CHECK_GT(X, Y) ::gpu::Logger::CheckGreaterThan( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_CHECK_GT")
#define GPU_CHECK_LT(X, Y) ::gpu::Logger::CheckLessThan( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_CHECK_LT")
#define GPU_CHECK_GE(X, Y) ::gpu::Logger::CheckGreaterEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_CHECK_GE")
#define GPU_CHECK_LE(X, Y) ::gpu::Logger::CheckLessEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_CHECK_LE")
#define GPU_LOG(LEVEL) ::gpu::Logger(false, LEVEL)
#if defined(NDEBUG)
#define GPU_DCHECK(X) ::gpu::Logger::CheckTrue( \
true, __FILE__, __LINE__, #X, "GPU_DCHECK")
#define GPU_DCHECK_EQ(X, Y) ::gpu::Logger::CheckEqual( \
false, false, __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_EQ")
#define GPU_DCHECK_NE(X, Y) ::gpu::Logger::CheckEqual( \
false, false, __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_NE")
#define GPU_DCHECK_GT(X, Y) ::gpu::Logger::CheckEqual( \
false, false, __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_GT")
#define GPU_DCHECK_LT(X, Y) ::gpu::Logger::CheckEqual( \
false, false, __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_LT")
#define GPU_DCHECK_GE(X, Y) ::gpu::Logger::CheckEqual( \
false, false, __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_GE")
#define GPU_DCHECK_LE(X, Y) ::gpu::Logger::CheckEqual( \
false, false, __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_LE")
#define GPU_DLOG(LEVEL) ::gpu::Logger(false, LEVEL)
#else // NDEBUG
#define GPU_DCHECK(X) ::gpu::Logger::CheckTrue( \
(X), __FILE__, __LINE__, #X, "GPU_DCHECK")
#define GPU_DCHECK_EQ(X, Y) ::gpu::Logger::CheckEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_EQ")
#define GPU_DCHECK_NE(X, Y) ::gpu::Logger::CheckNotEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_NE")
#define GPU_DCHECK_GT(X, Y) ::gpu::Logger::CheckGreaterThan( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_GT")
#define GPU_DCHECK_LT(X, Y) ::gpu::Logger::CheckLessThan( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_LT")
#define GPU_DCHECK_GE(X, Y) ::gpu::Logger::CheckGreaterEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_GE")
#define GPU_DCHECK_LE(X, Y) ::gpu::Logger::CheckLessEqual( \
(X), (Y), __FILE__, __LINE__, #X, #Y, "GPU_DCHECK_LE")
#define GPU_DLOG(LEVEL) ::gpu::Logger(true, LEVEL)
#endif // NDEBUG
#define GPU_NOTREACHED() GPU_DCHECK(false)
#endif // GPU_COMMAND_BUFFER_COMMON_LOGGING_H_
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