Add some documentation to the GLSL compiler

[libs/gl.git] / source / glsl / evaluate.h

diff --git a/source/glsl/evaluate.h b/source/glsl/evaluate.h
index 6cbc6cb4a24c0aa8325e300a780e3bf34ee79393..2c80a6cba24fd90881e85062400a052f63335a7a 100644 (file)
--- a/source/glsl/evaluate.h
+++ b/source/glsl/evaluate.h
@@ -7,6 +7,8 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+/** Evaluates an expression.  Only expressions consisting entirely of compile-
+time constants can be evaluated. */
 class ExpressionEvaluator: public NodeVisitor
 {
 public: