--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DPF-Prymula-audioplugins/dpf/dgl/OpenGL-include.hpp	Mon Oct 16 21:53:34 2023 +0200
@@ -0,0 +1,96 @@
+/*
+ * DISTRHO Plugin Framework (DPF)
+ * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_OPENGL_INCLUDE_HPP_INCLUDED
+#define DGL_OPENGL_INCLUDE_HPP_INCLUDED
+
+#include "../distrho/src/DistrhoDefines.h"
+
+// --------------------------------------------------------------------------------------------------------------------
+// Fix OpenGL includes for Windows, based on glfw code (part 1)
+
+#undef DGL_WINGDIAPI_DEFINED
+
+#ifdef DISTRHO_OS_WINDOWS
+
+#ifndef WINAPI
+# define WINAPI __stdcall
+#endif
+
+#ifndef APIENTRY
+# define APIENTRY WINAPI
+#endif // APIENTRY
+
+/* We need WINGDIAPI defined */
+#ifndef WINGDIAPI
+# if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__POCC__)
+#  define WINGDIAPI __declspec(dllimport)
+# elif defined(__LCC__)
+#  define WINGDIAPI __stdcall
+# else
+#  define WINGDIAPI extern
+# endif
+# define DGL_WINGDIAPI_DEFINED
+#endif // WINGDIAPI
+
+#endif // DISTRHO_OS_WINDOWS
+
+// --------------------------------------------------------------------------------------------------------------------
+// OpenGL includes
+
+#ifdef DISTRHO_OS_MAC
+# ifdef DGL_USE_OPENGL3
+#  include <OpenGL/gl3.h>
+#  include <OpenGL/gl3ext.h>
+# else
+#  include <OpenGL/gl.h>
+# endif
+#else
+# ifndef DISTRHO_OS_WINDOWS
+#  define GL_GLEXT_PROTOTYPES
+# endif
+# ifndef __GLEW_H__
+#  include <GL/gl.h>
+#  include <GL/glext.h>
+# endif
+#endif
+
+// --------------------------------------------------------------------------------------------------------------------
+// Missing OpenGL defines
+
+#if defined(GL_BGR_EXT) && !defined(GL_BGR)
+# define GL_BGR GL_BGR_EXT
+#endif
+
+#if defined(GL_BGRA_EXT) && !defined(GL_BGRA)
+# define GL_BGRA GL_BGRA_EXT
+#endif
+
+#ifndef GL_CLAMP_TO_BORDER
+# define GL_CLAMP_TO_BORDER 0x812D
+#endif
+
+// --------------------------------------------------------------------------------------------------------------------
+// Fix OpenGL includes for Windows, based on glfw code (part 2)
+
+#ifdef DGL_WINGDIAPI_DEFINED
+# undef WINGDIAPI
+# undef DGL_WINGDIAPI_DEFINED
+#endif
+
+// --------------------------------------------------------------------------------------------------------------------
+
+#endif