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authorKenneth Graunke <kenneth@whitecape.org>2011-01-12 15:37:37 -0800
committerKenneth Graunke <kenneth@whitecape.org>2011-01-31 11:10:59 -0800
commit819d57fce94b20fa0d34da6f037f0a53c4a5bdc2 (patch)
treeea4c12c2a582e0f4a4119b4ace0bfecc5245d14b /src/glsl/ir_reader.cpp
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_reader.cpp')
-rw-r--r--src/glsl/ir_reader.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp
index 9ed3d23508..af85e06ae0 100644
--- a/src/glsl/ir_reader.cpp
+++ b/src/glsl/ir_reader.cpp
@@ -397,6 +397,8 @@ ir_reader::read_declaration(s_expression *expr)
var->mode = ir_var_auto;
} else if (strcmp(qualifier->value(), "in") == 0) {
var->mode = ir_var_in;
+ } else if (strcmp(qualifier->value(), "const_in") == 0) {
+ var->mode = ir_var_const_in;
} else if (strcmp(qualifier->value(), "out") == 0) {
var->mode = ir_var_out;
} else if (strcmp(qualifier->value(), "inout") == 0) {