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debug: Adds CLUTTER_DEBUG=disable-swap-events option

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This allows us to forcibly disable the use of the GLX_INTEL_swap_events
extension for testing or debugging purposes.
This commit is contained in:
Robert Bragg 2010-01-20 18:53:36 +00:00
parent 5d702853b8
commit 4a9f08639f
3 changed files with 23 additions and 20 deletions
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1
clutter/clutter-debug.h
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@ -25,6 +25,7 @@ typedef enum {
CLUTTER_DEBUG_LAYOUT = 1 << 15,
CLUTTER_DEBUG_NOP_PICKING = 1 << 16,
CLUTTER_DEBUG_DUMP_PICK_BUFFERS = 1 << 17,
CLUTTER_DEBUG_DISABLE_SWAP_EVENTS = 1 << 18,
} ClutterDebugFlag;
#ifdef CLUTTER_ENABLE_DEBUG

3
clutter/clutter-main.c
View file

@ -162,7 +162,8 @@ static const GDebugKey clutter_debug_keys[] = {
{ "animation", CLUTTER_DEBUG_ANIMATION },
{ "layout", CLUTTER_DEBUG_LAYOUT },
{ "nop-picking", CLUTTER_DEBUG_NOP_PICKING },
{ "dump-pick-buffers", CLUTTER_DEBUG_DUMP_PICK_BUFFERS }
{ "dump-pick-buffers", CLUTTER_DEBUG_DUMP_PICK_BUFFERS },
{ "disable-swap-events", CLUTTER_DEBUG_DISABLE_SWAP_EVENTS }
};
#endif /* CLUTTER_ENABLE_DEBUG */

3
clutter/glx/clutter-backend-glx.c
View file

@ -331,7 +331,8 @@ clutter_backend_glx_get_features (ClutterBackend *backend)
/* GLX_INTEL_swap_event allows us to avoid blocking the CPU while
* we wait for glXSwapBuffers to complete, and instead we get an X
* event notifying us of completion... */
if (cogl_check_extension ("GLX_INTEL_swap_event", glx_extensions) &&
if (!(clutter_debug_flags & CLUTTER_DEBUG_DISABLE_SWAP_EVENTS) &&
cogl_check_extension ("GLX_INTEL_swap_event", glx_extensions) &&
flags & CLUTTER_FEATURE_SYNC_TO_VBLANK)
flags |= CLUTTER_FEATURE_SWAP_EVENTS;
#endif /* GLX_INTEL_swap_event */