Throw an exception if there's too many uniforms in a ProgramData

[libs/gl.git] / source / programdata.h

diff --git a/source/programdata.h b/source/programdata.h
index 605b41b1359c0da3146b05d2b78e9cf7dfb96e9f..d9eaf7469e337bf93f5ea64612b57e8f34d7fe54 100644 (file)
--- a/source/programdata.h
+++ b/source/programdata.h
@@ -2,6 +2,7 @@
 #define MSP_GL_PROGRAMDATA_H_
 
 #include <map>
+#include <stdexcept>
 #include <msp/datafile/objectloader.h>
 #include "datatype.h"
 #include "matrix.h"
@@ -11,6 +12,13 @@
 namespace Msp {
 namespace GL {
 
+class too_many_uniforms: public std::runtime_error
+{
+public:
+       too_many_uniforms(const std::string &w): std::runtime_error(w) { }
+       virtual ~too_many_uniforms() throw() { }
+};
+
 class Buffer;
 class Uniform;
 class UniformBlock;
@@ -155,6 +163,7 @@ private:
 public:
        ProgramData(const Program * = 0);
        ProgramData(const ProgramData &);
+       ProgramData(const ProgramData &, const Program *);
        ProgramData &operator=(const ProgramData &);
        ~ProgramData();
 
@@ -218,6 +227,7 @@ public:
 
        std::vector<std::string> get_uniform_names() const;
        const Uniform &get_uniform(const std::string &) const;
+       const Uniform *find_uniform(const std::string &) const;
 
 private:
        static bool uniform_name_compare(const NamedUniform &, const std::string &);