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.
7 // debug.h: Debugging utilities.
9 #ifndef COMMON_DEBUG_H_
10 #define COMMON_DEBUG_H_
15 #include "common/angleutils.h"
17 #if !defined(TRACE_OUTPUT_FILE)
18 #define TRACE_OUTPUT_FILE "debug.txt"
23 // Outputs text to the debugging log
24 void trace(bool traceFileDebugOnly, const char *format, ...);
26 // Returns whether D3DPERF is active.
29 // Pairs a D3D begin event with an end event.
30 class ScopedPerfEventHelper
33 ScopedPerfEventHelper(const char* format, ...);
34 ~ScopedPerfEventHelper();
37 DISALLOW_COPY_AND_ASSIGN(ScopedPerfEventHelper);
41 // A macro to output a trace of a function call and its arguments to the debugging log
42 #if defined(ANGLE_ENABLE_TRACE) || defined(ANGLE_ENABLE_PERF)
43 #define TRACE(message, ...) gl::trace(true, "trace: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
45 #define TRACE(message, ...) (void(0))
48 // A macro to output a function call and its arguments to the debugging log, to denote an item in need of fixing.
49 #if defined(ANGLE_ENABLE_TRACE) || defined(ANGLE_ENABLE_PERF)
50 #define FIXME(message, ...) gl::trace(false, "fixme: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
52 #define FIXME(message, ...) (void(0))
55 // A macro to output a function call and its arguments to the debugging log, in case of error.
56 #if defined(ANGLE_ENABLE_TRACE) || defined(ANGLE_ENABLE_PERF)
57 #define ERR(message, ...) gl::trace(false, "err: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__)
59 #define ERR(message, ...) (void(0))
62 // A macro to log a performance event around a scope.
63 #if defined(ANGLE_ENABLE_TRACE) || defined(ANGLE_ENABLE_PERF)
65 #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper ## __LINE__(__FUNCTION__ message "\n", __VA_ARGS__);
67 #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper(message "\n", ##__VA_ARGS__);
70 #define EVENT(message, ...) (void(0))
73 // A macro asserting a condition and outputting failures to the debug log
75 #define ASSERT(expression) do { \
77 ERR("\t! Assert failed in %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \
80 #define UNUSED_ASSERTION_VARIABLE(variable)
82 #define ASSERT(expression) (void(0))
83 #define UNUSED_ASSERTION_VARIABLE(variable) ((void)variable)
86 // A macro to indicate unimplemented functionality
88 // Define NOASSERT_UNIMPLEMENTED to non zero to skip the assert fail in the unimplemented checks
89 // This will allow us to test with some automated test suites (eg dEQP) without crashing
90 #ifndef NOASSERT_UNIMPLEMENTED
91 #define NOASSERT_UNIMPLEMENTED 0
95 #define UNIMPLEMENTED() do { \
96 FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__); \
97 assert(NOASSERT_UNIMPLEMENTED); \
100 #define UNIMPLEMENTED() FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__)
103 // A macro for code which is not expected to be reached under valid assumptions
105 #define UNREACHABLE() do { \
106 ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__); \
110 #define UNREACHABLE() ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__)
113 // A macro that determines whether an object has a given runtime type.
114 #if !defined(NDEBUG) && (!defined(_MSC_VER) || defined(_CPPRTTI)) && (!defined(__GNUC__) || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) || defined(__GXX_RTTI))
115 #define HAS_DYNAMIC_TYPE(type, obj) (dynamic_cast<type >(obj) != NULL)
117 #define HAS_DYNAMIC_TYPE(type, obj) true
120 // A macro functioning as a compile-time assert to validate constant conditions
121 #if defined(_MSC_VER) && _MSC_VER >= 1600
122 #define META_ASSERT_MSG(condition, msg) static_assert(condition, msg)
124 #define META_ASSERT_CONCAT(a, b) a ## b
125 #define META_ASSERT_CONCAT2(a, b) META_ASSERT_CONCAT(a, b)
126 #define META_ASSERT_MSG(condition, msg) typedef int META_ASSERT_CONCAT2(COMPILE_TIME_ASSERT_, __LINE__)[static_cast<bool>(condition)?1:-1]
128 #define META_ASSERT(condition) META_ASSERT_MSG(condition, "compile time assertion failed.")
130 #endif // COMMON_DEBUG_H_