#include <stdarg.h>
+#include "p_compiler.h"
+
#ifdef __cplusplus
extern "C" {
#endif
#endif
+
+/* MSVC bebore VC7 does not have the __FUNCTION__ macro */
+#if defined(_MSC_VER) && _MSC_VER < 1300
+#define __FUNCTION__ "???"
+#endif
+
-void debug_printf(const char *format, ...);
+void _debug_vprintf(const char *format, va_list ap);
+
-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);
+}
-void debug_assert_fail(const char *expr, const char *file, unsigned line);
+/**
+ * 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
-/** Assert macro */
+
+#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
-#define debug_assert(expr) ((expr) ? (void)0 : debug_assert_fail(#expr, __FILE__, __LINE__))
+#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);
+
+
+/**
+ * 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
+void debug_dump_image(const char *prefix,
+ unsigned format, unsigned cpp,
+ unsigned width, unsigned height,
+ unsigned pitch,
+ const void *data);
+#else
+#define debug_dump_image(prefix, format, cpp, width, height, pitch, data) ((void)0)
+#endif
+
+
#ifdef __cplusplus
}
#endif