From: Michel Dänzer <michel.daen...@amd.com>
This can happen with glamor, which uses EGL_KHR_surfaceless_context and
only explicitly binds GL_READ_FRAMEBUFFER for glReadPixels.
Cc: mesa-sta...@lists.freedesktop.org
Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
---
src/mesa/state_tracker/st_manager.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/mesa/state_tracker/st_manager.c
b/src/mesa/state_tracker/st_manager.c
index 314d342..91fee69 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -183,8 +183,13 @@ st_framebuffer_validate(struct st_framebuffer *stfb,
uint width, height;
unsigned i;
boolean changed = FALSE;
- int32_t new_stamp = p_atomic_read(&stfb->iface->stamp);
+ int32_t new_stamp;
+ /* Check for incomplete framebuffers (e.g. EGL_KHR_surfaceless_context) */
+ if (!stfb->iface)
+ return;
+
+ new_stamp = p_atomic_read(&stfb->iface->stamp);
if (stfb->iface_stamp == new_stamp)
return;
--
1.9.2
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