llvmpipe: fix occlusion queries on big-endian.

Casting to u8 arrays and picking the lowest byte is fairly LE specific grab the other byte. Cc: <mesa-stable@lists.freedesktop.org> Reviewed-by: Roland Scheidegger <sroland@vmware.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5679>
2020-06-29 15:57:14 +10:00
parent 3aeb61da49
commit b743c9bf2d
1 changed files with 4 additions and 0 deletions
@@ -469,7 +469,11 @@ lp_build_occlusion_count(struct gallivm_state *gallivm,
      countv = LLVMBuildBitCast(builder, countv, i8vntype, "");

       for (i = 0; i < type.length; i++) {
+#if UTIL_ARCH_LITTLE_ENDIAN
          shuffles[i] = lp_build_const_int32(gallivm, 4*i);
+#else
+          shuffles[i] = lp_build_const_int32(gallivm, (4*i) + 3);
+#endif
       }

       shufflev = LLVMConstVector(shuffles, type.length);