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authorKenneth Graunke <[email protected]>2011-01-12 15:37:37 -0800
committerKenneth Graunke <[email protected]>2011-01-31 11:10:59 -0800
commit819d57fce94b20fa0d34da6f037f0a53c4a5bdc2 (patch)
treeea4c12c2a582e0f4a4119b4ace0bfecc5245d14b /src/glsl/ir.h
parentc5a27b5939427bdc95c926b450ed3de1ff4baafb (diff)
glsl: Introduce a new "const_in" variable mode.
This annotation is for an "in" function parameter for which it is only legal to pass constant expressions. The only known example of this, currently, is the textureOffset functions. This should never be used for globals.
Diffstat (limited to 'src/glsl/ir.h')
-rw-r--r--src/glsl/ir.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 878c1779d85..74a8b06b1a3 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -222,6 +222,7 @@ enum ir_variable_mode {
ir_var_in,
ir_var_out,
ir_var_inout,
+ ir_var_const_in, /**< "in" param that must be a constant expression */
ir_var_system_value, /**< Ex: front-face, instance-id, etc. */
ir_var_temporary /**< Temporary variable generated during compilation. */
};