From 0fc26310d5b09213c65f50bde444a1758172b016 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Wed, 6 Sep 2017 16:27:53 +0200 Subject: [PATCH] glx: Work around a GLX_OML swap method in older dri drivers The swapMethod config member would typically contain an arbitrary value on older dri drivers. Fix this so that if we detect an illegal value, return GLX_SWAP_UNDEFINED_OML. Signed-off-by: Thomas Hellstrom Reviewed-by: Adam Jackson --- glx/glxdricommon.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/glx/glxdricommon.c b/glx/glxdricommon.c index c35dc1d1e..96f28d021 100644 --- a/glx/glxdricommon.c +++ b/glx/glxdricommon.c @@ -158,6 +158,13 @@ createModeFromConfig(const __DRIcoreExtension * core, config->config.bindToTextureTargets |= GLX_TEXTURE_RECTANGLE_BIT_EXT; break; + case __DRI_ATTRIB_SWAP_METHOD: + /* Workaround for broken dri drivers */ + if (value != GLX_SWAP_UNDEFINED_OML && + value != GLX_SWAP_COPY_OML && + value != GLX_SWAP_EXCHANGE_OML) + value = GLX_SWAP_UNDEFINED_OML; + /* Fall through. */ default: setScalar(&config->config, attrib, value); break;