I was testing the ARB_debug_output code and wrote an obvious sample that
should have hit this, and got confused that my ARB_debug_output was
broken.
---
src/mesa/drivers/dri/intel/intel_buffer_objects.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 34eb7c9..ac265db 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -330,6 +330,8 @@ intel_bufferobj_map_range(struct gl_context * ctx,
drm_intel_bo_unreference(intel_obj->buffer);
intel_bufferobj_alloc_buffer(intel, intel_obj);
} else {
+ perf_debug("Stalling on the GPU for mapping a busy buffer "
+ "object\n");
intel_flush(ctx);
}
} else if (drm_intel_bo_busy(intel_obj->buffer) &&
--
1.7.10.4
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