[feat] enable CUDA/OpenGL video rendering on Linux

apps/desktop/src/platform/linux/gui/cuda_graphics.h

@@ -0,0 +1,18 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-09-07
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _CUDA_GRAPHICS_H_
+#define _CUDA_GRAPHICS_H_
+
+namespace crossdesk {
+
+// Call before SDL or Slint initializes EGL/GLX. Hybrid laptops otherwise
+// create the GUI context on the integrated GPU while NVDEC uses NVIDIA.
+void ConfigureLinuxCudaGraphics(bool hardware_acceleration);
+
+}  // namespace crossdesk
+
+#endif