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| author | marha <marha@users.sourceforge.net> | 2011-01-13 22:01:27 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-01-13 22:01:27 +0000 |
| commit | a0a46bd55d7cbbf70757a29c067e21b70ac4e2df (patch) | |
| tree | 95803181a66e63d191b3fe06a031f9ed8ae701b8 /mesalib/src/glsl/ir.h | |
| parent | 2ebdcfeee38bed8c65daa78aa7d18d8d1d93ed85 (diff) | |
| download | vcxsrv-a0a46bd55d7cbbf70757a29c067e21b70ac4e2df.tar.gz vcxsrv-a0a46bd55d7cbbf70757a29c067e21b70ac4e2df.tar.bz2 vcxsrv-a0a46bd55d7cbbf70757a29c067e21b70ac4e2df.zip | |
mesalib pixman xkbcomp git update 13 jan 2011
Diffstat (limited to 'mesalib/src/glsl/ir.h')
| -rw-r--r-- | mesalib/src/glsl/ir.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h index d11047f1d..f3a565f2e 100644 --- a/mesalib/src/glsl/ir.h +++ b/mesalib/src/glsl/ir.h @@ -295,6 +295,15 @@ public: unsigned invariant:1;
/**
+ * Has this variable been used for reading or writing?
+ *
+ * Several GLSL semantic checks require knowledge of whether or not a
+ * variable has been used. For example, it is an error to redeclare a
+ * variable as invariant after it has been used.
+ */
+ unsigned used:1;
+
+ /**
* Storage class of the variable.
*
* \sa ir_variable_mode
|