diff options
| -rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index ba1c955a1a..f5c5cbdd48 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -228,7 +228,14 @@ _slang_sizeof_type_specifier(const slang_type_specifier *spec) break; case SLANG_SPEC_STRUCT: sz = _slang_field_offset(spec, 0); /* special use */ - if (sz > 4) { + if (sz == 1) { + /* 1-float structs are actually troublesome to deal with since they + * might get placed at R.x, R.y, R.z or R.z. Return size=2 to + * ensure the object is placed at R.x + */ + sz = 2; + } + else if (sz > 4) { sz = (sz + 3) & ~0x3; /* round up to multiple of four */ } break; |