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mesa: allocate gl_debug_state on demand

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We don't need to allocate all the state related to GL_ARB_debug_output
until some aspect of that extension is actually needed.

The sizeof(gl_debug_state) is huge (~285KB on 64-bit systems), not even
counting the 54(!) hash tables and lists that it contains.  This change
reduces the size of gl_context alone from 431KB bytes to 145KB bytes on
64-bit systems and from 277KB bytes to 78KB bytes on 32-bit systems.

Reviewed-by: Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Brian Paul
2014-02-06 18:21:58 -07:00
parent 31b2625cb5
commit 6e8d04ac3e
9 changed files with 279 additions and 158 deletions
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6
src/mesa/main/get_hash_params.py
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@@ -698,13 +698,13 @@ descriptor=[
[ "RESET_NOTIFICATION_STRATEGY_ARB", "CONTEXT_ENUM(Const.ResetStrategy), NO_EXTRA" ],
# GL_KHR_debug (GL 4.3)/ GL_ARB_debug_output
[ "DEBUG_LOGGED_MESSAGES", "CONTEXT_INT(Debug.NumMessages), NO_EXTRA" ],
[ "DEBUG_NEXT_LOGGED_MESSAGE_LENGTH", "CONTEXT_INT(Debug.NextMsgLength), NO_EXTRA" ],
[ "DEBUG_LOGGED_MESSAGES", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
[ "DEBUG_NEXT_LOGGED_MESSAGE_LENGTH", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
[ "MAX_DEBUG_LOGGED_MESSAGES", "CONST(MAX_DEBUG_LOGGED_MESSAGES), NO_EXTRA" ],
[ "MAX_DEBUG_MESSAGE_LENGTH", "CONST(MAX_DEBUG_MESSAGE_LENGTH), NO_EXTRA" ],
[ "MAX_LABEL_LENGTH", "CONST(MAX_LABEL_LENGTH), NO_EXTRA" ],
[ "MAX_DEBUG_GROUP_STACK_DEPTH", "CONST(MAX_DEBUG_GROUP_STACK_DEPTH), NO_EXTRA" ],
[ "DEBUG_GROUP_STACK_DEPTH", "CONTEXT_INT(Debug.GroupStackDepth), NO_EXTRA" ],
[ "DEBUG_GROUP_STACK_DEPTH", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
[ "MAX_DUAL_SOURCE_DRAW_BUFFERS", "CONTEXT_INT(Const.MaxDualSourceDrawBuffers), extra_ARB_blend_func_extended" ],