i915: Accept GL_DEPTH_STENCIL GL_DEPTH_COMPONENT formats for renderbuffers
Gen2 doesn't support depth/stencil textures, and since commit c1d4d499 Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Thu Apr 24 14:11:43 2014 +0300 i915: Don't advertise Z formats in TextureFormatSupported on gen2 depth/stencil formats are no longer accepted as texture formats. However we still want depth/stencil renderbuffers, so add explicit format checks to intel_alloc_renderbuffer_storage() to allow such things. Reviewed-by:Eric Anholt <eric@anholt.net> Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com>
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