Module: Mesa Branch: gallium-0.1 Commit: 2fc182e7f0753cad77888069578cd723a541ac5f URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2fc182e7f0753cad77888069578cd723a541ac5f
Author: Keith Whitwell <kei...@vmware.com> Date: Thu Aug 27 15:35:53 2009 +0100 ureg: add explicit undefined src/dest constructors Also functions to test for undefined registers. --- src/gallium/auxiliary/tgsi/tgsi_ureg.h | 50 ++++++++++++++++++++++++++++++++ 1 files changed, 50 insertions(+), 0 deletions(-) diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h index 50e98ba..2cebbeb 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h +++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h @@ -483,6 +483,56 @@ ureg_src( struct ureg_dst dst ) return src; } + + +static INLINE struct ureg_dst +ureg_dst_undef( void ) +{ + struct ureg_dst dst; + + dst.File = TGSI_FILE_NULL; + dst.WriteMask = 0; + dst.Indirect = 0; + dst.Saturate = 0; + dst.Index = 0; + dst.Pad1 = 0; + dst.Pad2 = 0; + + return dst; +} + +static INLINE struct ureg_src +ureg_src_undef( void ) +{ + struct ureg_src src; + + src.File = TGSI_FILE_NULL; + src.SwizzleX = 0; + src.SwizzleY = 0; + src.SwizzleZ = 0; + src.SwizzleW = 0; + src.Pad = 0; + src.Indirect = 0; + src.Absolute = 0; + src.Index = 0; + src.Negate = 0; + + return src; +} + +static INLINE boolean +ureg_src_is_undef( struct ureg_src src ) +{ + return src.File == TGSI_FILE_NULL; +} + +static INLINE boolean +ureg_dst_is_undef( struct ureg_dst dst ) +{ + return dst.File == TGSI_FILE_NULL; +} + + #ifdef __cplusplus } #endif _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit