From 126d62edd18f22ff9e744efea81e0383cd0a19c5 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 24 Sep 2009 20:03:21 -0700 Subject: [PATCH] i915: Fix GetBufferSubData in the case of a system-memory BO. Bug #23760 (crashes in wine) --- src/mesa/drivers/dri/intel/intel_buffer_objects.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c index 2e6b77824df..db0de0343a8 100644 --- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c @@ -209,7 +209,10 @@ 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); } -- 2.30.2