Update README and TODO

2 files changed, 3 insertions, 1 deletions

diff --git a/README.md b/README.md
index eaa4a05..052eb94 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,6 @@ GPU Screen Recorder uses meson build system so you need to install `meson` to bu
 ## Build dependencies
 These are the dependencies needed to build GPU Screen Recorder:
 
-* libglvnd (which provides libgl, libglx and libegl)
 * vulkan-headers
 * ffmpeg (libavcodec, libavformat, libavutil, libswresample, libavfilter)
 * x11 (libx11, libxcomposite, libxrandr, libxfixes, libxdamage)
@@ -89,6 +88,7 @@ These are the dependencies needed to build GPU Screen Recorder:
 * wayland (wayland-client, wayland-egl, wayland-scanner)
 
 ## Runtime dependencies
+libglvnd (which provides libgl, libglx and libegl) is needed. Your system needs to support at least OpenGL ES 3.1.\
 There are also additional dependencies needed at runtime depending on your GPU vendor:
 
 ### AMD
diff --git a/TODO b/TODO
index 7263273..ab23e05 100644
--- a/TODO
+++ b/TODO
@@ -302,3 +302,5 @@ Allow medium, high, very_high and ultra quality for -bm cbr. If that is used the
     Maybe do this in the ui instead (or both?), to show estimated file size.
 
 Maybe remove shader compute code. It doesn't seem necessary anymore now that glSwapBuffer/glFinish isn't used. dbus server isn't needed anymore either, the code can be moved back to the gpu screen recorder process.
+
+Add proper check if opengl functions are supported. dlsym for the symbol will return a no-op function if it's not supported, so it silently fails if used.