diff options
| author | Michal Krol <michal@tungstengraphics.com> | 2008-06-02 11:59:04 +0200 |
|---|---|---|
| committer | Michal Krol <michal@tungstengraphics.com> | 2008-06-02 11:59:04 +0200 |
| commit | 2c7ae3371b6058988f7f10bf031d630b649f3831 (patch) | |
| tree | 696df4ea36dbfde4ddb8cd263dd8e7044def416d | |
| parent | 49ed85d6b1cdb74a7985e2d743635c73151bbfdb (diff) | |
tgsi: Add assertions to the new rule that when an extended swizzle
is used, the simple swizzle must be set to identity.
| -rw-r--r-- | src/gallium/auxiliary/tgsi/util/tgsi_build.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/util/tgsi_build.c b/src/gallium/auxiliary/tgsi/util/tgsi_build.c index 63cc27becc..18e44b38c2 100644 --- a/src/gallium/auxiliary/tgsi/util/tgsi_build.c +++ b/src/gallium/auxiliary/tgsi/util/tgsi_build.c @@ -628,6 +628,14 @@ tgsi_build_full_instruction( tgsi_default_src_register_ext_swz() ) ) { struct tgsi_src_register_ext_swz *src_register_ext_swz; + /* Use of the extended swizzle requires the simple swizzle to be identity. + */ + assert( reg->SrcRegister.SwizzleX == TGSI_SWIZZLE_X ); + assert( reg->SrcRegister.SwizzleY == TGSI_SWIZZLE_Y ); + assert( reg->SrcRegister.SwizzleZ == TGSI_SWIZZLE_Z ); + assert( reg->SrcRegister.SwizzleW == TGSI_SWIZZLE_W ); + assert( reg->SrcRegister.Negate == FALSE ); + if( maxsize <= size ) return 0; src_register_ext_swz = |