summaryrefslogtreecommitdiffstats
path: root/src/gallium/auxiliary/util/u_debug.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary/util/u_debug.h')
-rw-r--r--src/gallium/auxiliary/util/u_debug.h361
1 files changed, 361 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_debug.h b/src/gallium/auxiliary/util/u_debug.h
new file mode 100644
index 00000000000..b298b9b66db
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_debug.h
@@ -0,0 +1,361 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Cross-platform debugging helpers.
+ *
+ * For now it just has assert and printf replacements, but it might be extended
+ * with stack trace reports and more advanced logging in the near future.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+#ifndef U_DEBUG_H_
+#define U_DEBUG_H_
+
+
+#include <stdarg.h>
+
+#include "pipe/p_compiler.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if defined(DBG) || defined(DEBUG)
+#ifndef DEBUG
+#define DEBUG 1
+#endif
+#else
+#ifndef NDEBUG
+#define NDEBUG 1
+#endif
+#endif
+
+
+/* MSVC bebore VC7 does not have the __FUNCTION__ macro */
+#if defined(_MSC_VER) && _MSC_VER < 1300
+#define __FUNCTION__ "???"
+#endif
+
+
+void _debug_vprintf(const char *format, va_list ap);
+
+
+static INLINE void
+_debug_printf(const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+ _debug_vprintf(format, ap);
+ va_end(ap);
+}
+
+
+/**
+ * Print debug messages.
+ *
+ * The actual channel used to output debug message is platform specific. To
+ * avoid misformating or truncation, follow these rules of thumb:
+ * - output whole lines
+ * - avoid outputing large strings (512 bytes is the current maximum length
+ * that is guaranteed to be printed in all platforms)
+ */
+static INLINE void
+debug_printf(const char *format, ...)
+{
+#ifdef DEBUG
+ va_list ap;
+ va_start(ap, format);
+ _debug_vprintf(format, ap);
+ va_end(ap);
+#else
+ (void) format; /* silence warning */
+#endif
+}
+
+
+#ifdef DEBUG
+#define debug_vprintf(_format, _ap) _debug_vprintf(_format, _ap)
+#else
+#define debug_vprintf(_format, _ap) ((void)0)
+#endif
+
+
+#ifdef DEBUG
+/**
+ * Dump a blob in hex to the same place that debug_printf sends its
+ * messages.
+ */
+void debug_print_blob( const char *name, const void *blob, unsigned size );
+
+/* Print a message along with a prettified format string
+ */
+void debug_print_format(const char *msg, unsigned fmt );
+#else
+#define debug_print_blob(_name, _blob, _size) ((void)0)
+#define debug_print_format(_msg, _fmt) ((void)0)
+#endif
+
+
+void _debug_break(void);
+
+
+/**
+ * Hard-coded breakpoint.
+ */
+#ifdef DEBUG
+#if defined(PIPE_ARCH_X86) && defined(PIPE_CC_GCC)
+#define debug_break() __asm("int3")
+#elif defined(PIPE_ARCH_X86) && defined(PIPE_CC_MSVC)
+#define debug_break() do { _asm {int 3} } while(0)
+#else
+#define debug_break() _debug_break()
+#endif
+#else /* !DEBUG */
+#define debug_break() ((void)0)
+#endif /* !DEBUG */
+
+
+long
+debug_get_num_option(const char *name, long dfault);
+
+void _debug_assert_fail(const char *expr,
+ const char *file,
+ unsigned line,
+ const char *function);
+
+
+/**
+ * Assert macro
+ *
+ * Do not expect that the assert call terminates -- errors must be handled
+ * regardless of assert behavior.
+ */
+#ifdef DEBUG
+#define debug_assert(expr) ((expr) ? (void)0 : _debug_assert_fail(#expr, __FILE__, __LINE__, __FUNCTION__))
+#else
+#define debug_assert(expr) ((void)0)
+#endif
+
+
+/** Override standard assert macro */
+#ifdef assert
+#undef assert
+#endif
+#define assert(expr) debug_assert(expr)
+
+
+/**
+ * Output the current function name.
+ */
+#ifdef DEBUG
+#define debug_checkpoint() \
+ _debug_printf("%s\n", __FUNCTION__)
+#else
+#define debug_checkpoint() \
+ ((void)0)
+#endif
+
+
+/**
+ * Output the full source code position.
+ */
+#ifdef DEBUG
+#define debug_checkpoint_full() \
+ _debug_printf("%s:%u:%s", __FILE__, __LINE__, __FUNCTION__)
+#else
+#define debug_checkpoint_full() \
+ ((void)0)
+#endif
+
+
+/**
+ * Output a warning message. Muted on release version.
+ */
+#ifdef DEBUG
+#define debug_warning(__msg) \
+ _debug_printf("%s:%u:%s: warning: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg)
+#else
+#define debug_warning(__msg) \
+ ((void)0)
+#endif
+
+
+/**
+ * Output an error message. Not muted on release version.
+ */
+#ifdef DEBUG
+#define debug_error(__msg) \
+ _debug_printf("%s:%u:%s: error: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg)
+#else
+#define debug_error(__msg) \
+ _debug_printf("error: %s\n", __msg)
+#endif
+
+
+/**
+ * Used by debug_dump_enum and debug_dump_flags to describe symbols.
+ */
+struct debug_named_value
+{
+ const char *name;
+ unsigned long value;
+};
+
+
+/**
+ * Some C pre-processor magic to simplify creating named values.
+ *
+ * Example:
+ * @code
+ * static const debug_named_value my_names[] = {
+ * DEBUG_NAMED_VALUE(MY_ENUM_VALUE_X),
+ * DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Y),
+ * DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Z),
+ * DEBUG_NAMED_VALUE_END
+ * };
+ *
+ * ...
+ * debug_printf("%s = %s\n",
+ * name,
+ * debug_dump_enum(my_names, my_value));
+ * ...
+ * @endcode
+ */
+#define DEBUG_NAMED_VALUE(__symbol) {#__symbol, (unsigned long)__symbol}
+#define DEBUG_NAMED_VALUE_END {NULL, 0}
+
+
+/**
+ * Convert a enum value to a string.
+ */
+const char *
+debug_dump_enum(const struct debug_named_value *names,
+ unsigned long value);
+
+const char *
+debug_dump_enum_noprefix(const struct debug_named_value *names,
+ const char *prefix,
+ unsigned long value);
+
+
+/**
+ * Convert binary flags value to a string.
+ */
+const char *
+debug_dump_flags(const struct debug_named_value *names,
+ unsigned long value);
+
+
+/**
+ * Get option.
+ *
+ * It is an alias for getenv on Linux.
+ *
+ * On Windows it reads C:\gallium.cfg, which is a text file with CR+LF line
+ * endings with one option per line as
+ *
+ * NAME=value
+ *
+ * This file must be terminated with an extra empty line.
+ */
+const char *
+debug_get_option(const char *name, const char *dfault);
+
+boolean
+debug_get_bool_option(const char *name, boolean dfault);
+
+long
+debug_get_num_option(const char *name, long dfault);
+
+unsigned long
+debug_get_flags_option(const char *name,
+ const struct debug_named_value *flags,
+ unsigned long dfault);
+
+
+void *
+debug_malloc(const char *file, unsigned line, const char *function,
+ size_t size);
+
+void
+debug_free(const char *file, unsigned line, const char *function,
+ void *ptr);
+
+void *
+debug_calloc(const char *file, unsigned line, const char *function,
+ size_t count, size_t size );
+
+void *
+debug_realloc(const char *file, unsigned line, const char *function,
+ void *old_ptr, size_t old_size, size_t new_size );
+
+unsigned long
+debug_memory_begin(void);
+
+void
+debug_memory_end(unsigned long beginning);
+
+
+#if defined(PROFILE) && defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
+
+void
+debug_profile_start(void);
+
+void
+debug_profile_stop(void);
+
+#endif
+
+
+#ifdef DEBUG
+struct pipe_surface;
+void debug_dump_image(const char *prefix,
+ unsigned format, unsigned cpp,
+ unsigned width, unsigned height,
+ unsigned stride,
+ const void *data);
+void debug_dump_surface(const char *prefix,
+ struct pipe_surface *surface);
+void debug_dump_surface_bmp(const char *filename,
+ struct pipe_surface *surface);
+#else
+#define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0)
+#define debug_dump_surface(prefix, surface) ((void)0)
+#define debug_dump_surface_bmp(filename, surface) ((void)0)
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* U_DEBUG_H_ */