- draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
- i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data,
- (i915->current.num_user_constants[PIPE_SHADER_VERTEX] *
+ if (i915->constants[PIPE_SHADER_VERTEX])
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
+ i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data,
+ (i915->current.num_user_constants[PIPE_SHADER_VERTEX] *