GLDraw: GLProgram internals now protected for further development

git-svn-id: svn://ultimatepp.org/upp/trunk@12346 f0d560ea-af0d-0410-9eb7-867de7ffcac7

uppsrc/GLDraw/GLDraw.h

@@ -39,6 +39,7 @@ enum {
 };
 
 class GLProgram {
+protected:
 	GLuint vertex_shader;
 	GLuint fragment_shader;
 	GLuint program;
@@ -63,6 +64,7 @@ public:
 	void Use()                                 { glUseProgram(program); }
 
 	GLProgram();
+	~GLProgram();
 };
 
 extern GLProgram gl_image, gl_image_colored, gl_rect;

uppsrc/GLDraw/GLShaders.cpp

@@ -117,6 +117,16 @@ GLProgram::GLProgram()
 	vertex_shader = fragment_shader = program = 0;
 }
 
+GLProgram::~GLProgram()
+{
+	if(program)
+		glDeleteProgram(program);
+	if(vertex_shader)
+		glDeleteShader(vertex_shader);
+	if(fragment_shader)
+		glDeleteShader(fragment_shader);
+}
+
 };
 
 #endif