Patch enables use of short and unsigned short data for texture uploads,
rendering and reading of framebuffers within the restrictions specified
in GL_EXT_texture_norm16 spec.
Patch also enables those 16bit format layout qualifiers listed in
GL_NV_image_formats that depend on EXT_texture_norm16.
v2: expose extension with dummy_true
fix layout qualifier map changes (Ilia Mirkin)
v3: use _mesa_has_EXT_texture_norm16, other fixes
and cleanup (Ilia Mirkin)
v4: fix rest of the issues found
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Acked-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
7f467d4f73