mesa: update to 26.2.1 - #62137

In file included from ../src/amd/addrlib/src/core/addrswizzler.cpp:18:
../src/amd/addrlib/src/core/addrswizzlersimd.h: In static member function 'static void Addr::MicroSw_2D_1BPE_NEON::CopyMicroBlock(void*, const void*, size_t, size_t)':
../src/amd/addrlib/src/core/addrswizzlersimd.h:1157:29: error: 'vzip1q_u32' was not declared in this scope; did you mean 'vzipq_u32'?

@@ -157,6 +157,12 @@
 # amd implicitly enables clover opencl, also enable hwdec and virgl too
 case "$XBPS_TARGET_MACHINE" in
 	armv5*|mips*) ;;
+	armv[67]*)
+		_have_nv=yes
+		#_have_amd=yes
+		_have_hwdec=yes
+		_have_virgl=yes
+		;;
 	*)
 		_have_nv=yes
 		_have_amd=yes

$ RUSTICL_ENABLE=iris clinfo
Libclc failed to load. Please make sure it is installed and provides
                spirv-mesa3d-.spv and/or spirv64-mesa3d-.spv
...

pre_configure() {
	vsed -i "s|libexecdir=/usr/lib/llvm/${_llvmver}/share/clc|libexecdir=/usr/lib/llvm/${_llvmver}/lib/clang/${_llvmver}/lib/libclc|" \
	/usr/lib/llvm/${_llvmver}/share/pkgconfig/libclc.pc
}