src/mesa/drivers/dri/radeon/radeon_debug.h

   1 /*
   2  * Copyright © 2009 Pauli Nieminen
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  *
  21  * The above copyright notice and this permission notice (including the
  22  * next paragraph) shall be included in all copies or substantial portions
  23  * of the Software.
  24  */
  25 /*
  26  * Authors:
  27  *      Pauli Nieminen <suokkos@gmail.com>
  28  */
  29
  30 #ifndef RADEON_DEBUG_H_INCLUDED
  31 #define RADEON_DEBUG_H_INCLUDED
  32
  33 #include <stdlib.h>
  34
  35 typedef enum radeon_debug_levels {
  36         RADEON_CRITICAL  = 0, /* Only errors */
  37         RADEON_IMPORTANT = 1, /* Important warnings and messages */
  38         RADEON_NORMAL    = 2, /* Normal log messages usefull for debugging */
  39         RADEON_VERBOSE   = 3, /* Extra details to debugging */
  40         RADEON_TRACE     = 4  /* Log about everything that happens */
  41 } radeon_debug_level_t;
  42
  43 /**
  44  * Compile time option to change level of debugging compiled to dri driver.
  45  * Selecting critical level is not recommended because perfromance gains are
  46  * going to minimal but you will lose a lot of important warnings in case of
  47  * errors.
  48  */
  49 #ifndef RADEON_DEBUG_LEVEL
  50 #define RADEON_DEBUG_LEVEL RADEON_VERBOSE
  51 #endif
  52
  53 typedef enum radeon_debug_types {
  54         RADEON_TEXTURE   = 0x00001,
  55         RADEON_STATE     = 0x00002,
  56         RADEON_IOCTL     = 0x00004,
  57         RADEON_RENDER    = 0x00008,
  58         RADEON_SWRENDER  = 0x00010,
  59         RADEON_FALLBACKS = 0x00020,
  60         RADEON_VFMT      = 0x00040,
  61         RADEON_SHADER    = 0x00080,
  62         RADEON_CS        = 0x00100,
  63         RADEON_DRI       = 0x00200,
  64         RADEON_DMA       = 0x00400,
  65         RADEON_SANITY    = 0x00800,
  66         RADEON_SYNC      = 0x01000,
  67         RADEON_PIXEL     = 0x02000,
  68         RADEON_MEMORY    = 0x04000,
  69         RADEON_VERTS     = 0x08000,
  70         RADEON_GENERAL   = 0x10000   /* Used for errors and warnings */
  71 } radeon_debug_type_t;
  72
  73 #define RADEON_MAX_INDENT 5
  74
  75 struct radeon_debug {
  76        size_t indent_depth;
  77        char indent[RADEON_MAX_INDENT];
  78 };
  79
  80 extern radeon_debug_type_t radeon_enabled_debug_types;
  81
  82 /**
  83  * Compabibility layer for old debug code
  84  **/
  85 #define RADEON_DEBUG radeon_enabled_debug_types
  86
  87 static inline int radeon_is_debug_enabled(const radeon_debug_type_t type,
  88            const radeon_debug_level_t level)
  89 {
  90        return RADEON_DEBUG_LEVEL >= level
  91                 && (type & radeon_enabled_debug_types);
  92 }
  93 /*
  94  * define macro for gcc specific __attribute__ if using alternative compiler
  95  */
  96 #ifndef __GNUC__
  97 #define  __attribute__(x)  /*empty*/
  98 #endif
  99
 100
 101 extern void _radeon_print(const radeon_debug_type_t type,
 102            const radeon_debug_level_t level,
 103            const char* message,
 104            ...)  __attribute__((format(printf,3,4)));
 105 /**
 106  * Print out debug message if channel specified by type is enabled
 107  * and compile time debugging level is at least as high as level parameter
 108  */
 109 #define radeon_print(type, level, message, ...) do {            \
 110         const radeon_debug_level_t _debug_level = (level);      \
 111         const radeon_debug_type_t _debug_type = (type);         \
 112         /* Compile out if level of message is too high */       \
 113         if (radeon_is_debug_enabled(type, level)) {             \
 114                 _radeon_print(_debug_type, _debug_level,        \
 115                         (message), ## __VA_ARGS__);             \
 116         }                                                       \
 117 } while(0)
 118
 119 /**
 120  * printf style function for writing error messages.
 121  */
 122 #define radeon_error(message, ...) do {                         \
 123         radeon_print(RADEON_GENERAL, RADEON_CRITICAL,           \
 124                 (message), ## __VA_ARGS__);                     \
 125 } while(0)
 126
 127 /**
 128  * printf style function for writing warnings.
 129  */
 130 #define radeon_warning(message, ...) do {                       \
 131         radeon_print(RADEON_GENERAL, RADEON_IMPORTANT,          \
 132                 (message), ## __VA_ARGS__);                     \
 133 } while(0)
 134
 135 extern void radeon_init_debug(void);
 136 extern void _radeon_debug_add_indent(void);
 137 extern void _radeon_debug_remove_indent(void);
 138
 139 static inline void radeon_debug_add_indent(void)
 140 {
 141        if (RADEON_DEBUG_LEVEL >= RADEON_VERBOSE) {
 142               _radeon_debug_add_indent();
 143        }
 144 }
 145 static inline void radeon_debug_remove_indent(void)
 146 {
 147        if (RADEON_DEBUG_LEVEL >= RADEON_VERBOSE) {
 148               _radeon_debug_remove_indent();
 149        }
 150 }
 151
 152 /* From http://gcc. gnu.org/onlinedocs/gcc-3.2.3/gcc/Variadic-Macros.html .
 153    I suppose we could inline this and use macro to fetch out __LINE__ and stuff in case we run into trouble
 154    with other compilers ... GLUE!
 155 */
 156 #define WARN_ONCE(a, ...)      { \
 157        static int warn##__LINE__=1; \
 158        if(warn##__LINE__){ \
 159                radeon_warning("*********************************WARN_ONCE*********************************\n"); \
 160                radeon_warning("File %s function %s line %d\n", \
 161                        __FILE__, __FUNCTION__, __LINE__); \
 162                radeon_warning(  (a), ## __VA_ARGS__);\
 163                radeon_warning("***************************************************************************\n"); \
 164                warn##__LINE__=0;\
 165                } \
 166        }
 167
 168
 169 #endif