diff options
Diffstat (limited to 'common/trace_format.hpp')
| -rw-r--r-- | common/trace_format.hpp | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/common/trace_format.hpp b/common/trace_format.hpp index a8ee5eb..cdabeb7 100644 --- a/common/trace_format.hpp +++ b/common/trace_format.hpp @@ -72,7 +72,36 @@ namespace Trace { -#define TRACE_VERSION 1 +/* + * Trace file version number. + * + * We keep backwards compatability reading old traces, i.e., it should always be + * possible to parse and retrace old trace files. + * + * So the trace version number refers not only to changes in the binary format + * representation, but also semantic changes in the way certain functions + * should be retraced. + * + * Writing/editing old traces will not be supported however. An older version + * of apitrace should be used in such circunstances. + * + * Changelog: + * + * - version 0: + * - initial implementation + * + * - version 1: + * - support for GL user arrays -- a blob is provided whenever an user memory + * is referred (whereas before calls that operate wit user memory instead of + * VBOs should be ignore) + * + * - version 2: + * - malloc/free memory calls -- allow to pass user memory as malloc memory + * as opposed to blobs + * - glFlushMappedBufferRange will emit a memcpy only for the flushed range + * (whereas previously it would emit a memcpy for the whole mapped range) + */ +#define TRACE_VERSION 2 enum Event { EVENT_ENTER = 0, |