From c41cda64a47ed08d0903fcd8caacef22b94b3b16 Mon Sep 17 00:00:00 2001
From: Martin Pulec <pulec@cesnet.cz>
Date: Mon, 9 Jul 2012 17:37:37 +0200
Subject: [PATCH] screen capture [Linux]: use Xlib backend for Intel cards

---
 src/video_capture/screen.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/video_capture/screen.c b/src/video_capture/screen.c
index e1253e846..c4e026af4 100644
--- a/src/video_capture/screen.c
+++ b/src/video_capture/screen.c
@@ -202,6 +202,12 @@ static void initialize() {
         glViewport(0, 0, state->tile->width, state->tile->height);
         glDisable(GL_DEPTH_TEST);
 
+        const char *vendor = glGetString(GL_VENDOR);
+        if(strcmp(vendor, "Tungsten Graphics, Inc") == 0) {
+                fprintf(stderr, "[screen capture] Intel graphic card detected, switching to Xlib screen capture.\n");
+                s->nogl = true;
+        }
+
 #else
         s->display = CGMainDisplayID();
         CGImageRef image = CGDisplayCreateImage(s->display);