diff --git a/README.md b/README.md
index 7d819a9..1e8cd6a 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,12 @@ NOTE :
 
 openglexample from [OpenHMD](https://github.com/OpenHMD/OpenHMD)
 
+Currently requires 3 EGL extensions + 1 OpenGL extensions :
+https://www.khronos.org/registry/EGL/extensions/MESA/EGL_MESA_drm_image.txt
+https://www.khronos.org/registry/EGL/extensions/MESA/EGL_MESA_image_dma_buf_export.txt
+https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_image_dma_buf_import.txt
+https://www.khronos.org/registry/OpenGL/extensions/OES/OES_EGL_image.txt
+
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