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-rw-r--r--src/video/opengl.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/video/opengl.h b/src/video/opengl.h
index 9db1be5f5..08ef56b9a 100644
--- a/src/video/opengl.h
+++ b/src/video/opengl.h
@@ -14,7 +14,12 @@
#include "../core/alloc_type.hpp"
-/** Platform-independent back-end singleton class for OpenGL video drivers. */
+typedef void (*OGLProc)();
+typedef OGLProc (*GetOGLProcAddressProc)(const char *proc);
+
+bool IsOpenGLVersionAtLeast(byte major, byte minor);
+
+/** Platform-independent back-end class for OpenGL video drivers. */
class OpenGLBackend : public ZeroedMemoryAllocator {
private:
static OpenGLBackend *instance; ///< Singleton instance pointer.
@@ -33,7 +38,7 @@ public:
{
return OpenGLBackend::instance;
}
- static const char *Create();
+ static const char *Create(GetOGLProcAddressProc get_proc);
static void Destroy();
bool Resize(int w, int h, bool force = false);