diff options
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_buffer_objects.c | 4 |
1 files changed, 3 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 4a1a8165be5..9b1f642c0f1 100644 --- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c @@ -663,7 +663,9 @@ intel_bufferobj_copy_subdata(struct gl_context *ctx, */ if (src == dst) { char *ptr = intel_bufferobj_map_range(ctx, 0, dst->Size, - GL_MAP_READ_BIT, dst); + GL_MAP_READ_BIT | + GL_MAP_WRITE_BIT, + dst); memmove(ptr + write_offset, ptr + read_offset, size); intel_bufferobj_unmap(ctx, dst); } else { |