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authorMarkus Amsler <markus.amsler@oribi.org>2008-03-17 08:35:27 -0600
committerBrian <brian.paul@tungstengraphics.com>2008-03-17 08:35:27 -0600
commitf2b914298f677555d1e605cbcc2b7f73c0f0847a (patch)
treeb26d61a70df84884bd28a1bd8253a6e5eef322d8 /src/mesa/shader
parentd787850ae6d60f8287ff320d4da2adf4254589c3 (diff)
only set InputsRead bit if input is really used
Diffstat (limited to 'src/mesa/shader')
-rw-r--r--src/mesa/shader/arbprogparse.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 10fa196586..8803658c1e 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1616,8 +1616,6 @@ parse_attrib_binding(GLcontext * ctx, const GLubyte ** inst,
if (err) {
program_error(ctx, Program->Position, "Bad attribute binding");
- } else {
- Program->Base.InputsRead |= (1 << *inputReg);
}
return err;
@@ -2574,6 +2572,11 @@ parse_src_reg (GLcontext * ctx, const GLubyte ** inst,
return 1;
}
+ /* Add attributes to InputsRead only if they are used the program.
+ * This avoids the handling of unused ATTRIB declarations in the drivers. */
+ if (*File == PROGRAM_INPUT)
+ Program->Base.InputsRead |= (1 << *Index);
+
return 0;
}