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| author | Alan Jeffrey <ajeffrey@mozilla.com> | 2019-09-03 11:03:45 -0500 |
|---|---|---|
| committer | Alan Jeffrey <ajeffrey@mozilla.com> | 2019-09-03 11:03:45 -0500 |
| commit | 1e3b08aae847915b48416f366fc755049e9ac03d (patch) | |
| tree | a63d7a4abf21d2452ff79b6bf7340dffff03bac8 /components/canvas/webgl_thread.rs | |
| parent | 4f4e219e54bf43dee47af26b7e6fc0b2c8018159 (diff) | |
| download | servo-1e3b08aae847915b48416f366fc755049e9ac03d.tar.gz servo-1e3b08aae847915b48416f366fc755049e9ac03d.zip | |
Fallback to old extensions API if NUM_EXTENSIONS errors
Diffstat (limited to 'components/canvas/webgl_thread.rs')
| -rw-r--r-- | components/canvas/webgl_thread.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/components/canvas/webgl_thread.rs b/components/canvas/webgl_thread.rs index 7844c762cfb..ceaaf908b9f 100644 --- a/components/canvas/webgl_thread.rs +++ b/components/canvas/webgl_thread.rs @@ -1727,6 +1727,11 @@ impl WebGLImpl { unsafe { gl.get_integer_v(gl::NUM_EXTENSIONS, &mut ext_count); } + // Fall back to the depricated extensions API if that fails + if gl.get_error() != gl::NO_ERROR { + chan.send(gl.get_string(gl::EXTENSIONS)).unwrap(); + return; + } let ext_count = ext_count[0] as usize; let mut extensions = Vec::with_capacity(ext_count); for idx in 0..ext_count { |