| // |
| // 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.h: Debugging utilities. |
| |
| #ifndef COMMON_DEBUG_H_ |
| #define COMMON_DEBUG_H_ |
| |
| #include <stdio.h> |
| #include <assert.h> |
| |
| #include "common/angleutils.h" |
| |
| #if !defined(TRACE_OUTPUT_FILE) |
| #define TRACE_OUTPUT_FILE "debug.txt" |
| #endif |
| |
| namespace gl |
| { |
| // Outputs text to the debugging log |
| void trace(bool traceFileDebugOnly, const char *format, ...); |
| |
| // Returns whether D3DPERF is active. |
| bool perfActive(); |
| |
| // Pairs a D3D begin event with an end event. |
| class ScopedPerfEventHelper |
| { |
| public: |
| ScopedPerfEventHelper(const char* format, ...); |
| ~ScopedPerfEventHelper(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ScopedPerfEventHelper); |
| }; |
| } |
| |
| // A macro to output a trace of a function call and its arguments to the debugging log |
| #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF) |
| #define TRACE(message, ...) (void(0)) |
| #else |
| #define TRACE(message, ...) gl::trace(true, "trace: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__) |
| #endif |
| |
| // A macro to output a function call and its arguments to the debugging log, to denote an item in need of fixing. |
| #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF) |
| #define FIXME(message, ...) (void(0)) |
| #else |
| #define FIXME(message, ...) gl::trace(false, "fixme: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__) |
| #endif |
| |
| // A macro to output a function call and its arguments to the debugging log, in case of error. |
| #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF) |
| #define ERR(message, ...) (void(0)) |
| #else |
| #define ERR(message, ...) gl::trace(false, "err: %s(%d): " message "\n", __FUNCTION__, __LINE__, ##__VA_ARGS__) |
| #endif |
| |
| // A macro to log a performance event around a scope. |
| #if defined(ANGLE_DISABLE_TRACE) && defined(ANGLE_DISABLE_PERF) |
| #define EVENT(message, ...) (void(0)) |
| #elif defined(_MSC_VER) |
| #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper ## __LINE__(__FUNCTION__ message "\n", __VA_ARGS__); |
| #else |
| #define EVENT(message, ...) gl::ScopedPerfEventHelper scopedPerfEventHelper(message "\n", ##__VA_ARGS__); |
| #endif |
| |
| // A macro asserting a condition and outputting failures to the debug log |
| #if !defined(NDEBUG) |
| #define ASSERT(expression) do { \ |
| if(!(expression)) \ |
| ERR("\t! Assert failed in %s(%d): "#expression"\n", __FUNCTION__, __LINE__); \ |
| assert(expression); \ |
| } while(0) |
| #else |
| #define ASSERT(expression) (void(0)) |
| #endif |
| |
| // A macro to indicate unimplemented functionality |
| #if !defined(NDEBUG) |
| #define UNIMPLEMENTED() do { \ |
| FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__); \ |
| assert(false); \ |
| } while(0) |
| #else |
| #define UNIMPLEMENTED() FIXME("\t! Unimplemented: %s(%d)\n", __FUNCTION__, __LINE__) |
| #endif |
| |
| // A macro for code which is not expected to be reached under valid assumptions |
| #if !defined(NDEBUG) |
| #define UNREACHABLE() do { \ |
| ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__); \ |
| assert(false); \ |
| } while(0) |
| #else |
| #define UNREACHABLE() ERR("\t! Unreachable reached: %s(%d)\n", __FUNCTION__, __LINE__) |
| #endif |
| |
| // A macro functioning as a compile-time assert to validate constant conditions |
| #define META_ASSERT(condition) typedef int COMPILE_TIME_ASSERT_##__LINE__[static_cast<bool>(condition)?1:-1] |
| |
| #endif // COMMON_DEBUG_H_ |