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-rw-r--r--src/mesa/drivers/dri/intel/intel_buffer_objects.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 7f6fb66d52..a0225936c8 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -229,7 +229,10 @@ intel_bufferobj_get_subdata(GLcontext * ctx,
struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
assert(intel_obj);
- dri_bo_get_subdata(intel_obj->buffer, offset, size, data);
+ if (intel_obj->sys_buffer)
+ memcpy(data, (char *)intel_obj->sys_buffer + offset, size);
+ else
+ dri_bo_get_subdata(intel_obj->buffer, offset, size, data);
}