Add uniform (shader global variable)

1 files changed, 8 insertions, 0 deletions

diff --git a/include/RenderBackend/OpenGL/ShaderProgram.hpp b/include/RenderBackend/OpenGL/ShaderProgram.hpp
index 2b1c5b4..c8740f8 100644
--- a/include/RenderBackend/OpenGL/ShaderProgram.hpp
+++ b/include/RenderBackend/OpenGL/ShaderProgram.hpp
@@ -3,6 +3,7 @@
 #include "../../Result.hpp"
 #include "../../types.hpp"
 #include "../../utils.hpp"
+#include "ShaderVec.hpp"
 #include <vector>
 #include <stdexcept>
 
@@ -19,6 +20,12 @@ namespace amalgine
         ShaderProgramUsedBeforeBuilt();
     };
     
+    class ShaderProgramNonExistingGlobalVariable : public std::runtime_error
+    {
+    public:
+        ShaderProgramNonExistingGlobalVariable(const char *variableName);
+    };
+    
     class ShaderProgram
     {
         DISABLE_COPY(ShaderProgram)
@@ -31,6 +38,7 @@ namespace amalgine
         
         Result<bool> build();
         void use();
+        ShaderProgramGlobalVec3 getGlobalVec3(const char *name);
     private:
         u32 shaderProgramId;
         bool built;