Draw a radial. This needs some cleanup, and some MVP matrix tweaking.

scwx-qt/source/scwx/qt/util/shader_program.hpp

@@ -0,0 +1,42 @@
+#pragma once
+
+#ifdef _WIN32
+#include <Windows.h>
+#endif
+
+#include <memory>
+#include <string>
+
+#include <GL/gl.h>
+
+namespace scwx
+{
+namespace qt
+{
+
+class ShaderProgramImpl;
+
+class ShaderProgram
+{
+public:
+   explicit ShaderProgram();
+   ~ShaderProgram();
+
+   ShaderProgram(const ShaderProgram&) = delete;
+   ShaderProgram& operator=(const ShaderProgram&) = delete;
+
+   ShaderProgram(ShaderProgram&&) noexcept;
+   ShaderProgram& operator=(ShaderProgram&&) noexcept;
+
+   GLuint id() const;
+
+   bool Load(const std::string& vertexPath, const std::string& fragmentPath);
+
+   void Use() const;
+
+private:
+   std::unique_ptr<ShaderProgramImpl> p;
+};
+
+} // namespace qt
+} // namespace scwx