74 lines
2.9 KiB
Diff
74 lines
2.9 KiB
Diff
From: Jan Grulich <jgrulich@redhat.com>
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Date: Fri, 10 Mar 2023 09:21:00 +0000
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Subject: Bug 1819035 - get EGL display based on the used platform in the
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browser r=webrtc-reviewers,ng
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Because of a possible misconfiguration or a possible driver issue it
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might happen that the browser will use a different driver on X11 and
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end up using yet another one for wayland/gbm, which might lead to not
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working screen sharing in the better case, but also to a crash in the
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other driver (Nvidia). This adds a check for platform the browser runs
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on, if it's XWayland or Wayland and based on that query EGL display for
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that specific platform, rather than going for the Wayland one only.
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Differential Revision: https://phabricator.services.mozilla.com/D171858
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Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/c8606497de1f461a6352456e0e511c2ae498d526
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---
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.../linux/wayland/egl_dmabuf.cc | 30 +++++++++++++++++--
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1 file changed, 28 insertions(+), 2 deletions(-)
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diff --git a/modules/desktop_capture/linux/wayland/egl_dmabuf.cc b/modules/desktop_capture/linux/wayland/egl_dmabuf.cc
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index fff976468c..15a447d1b0 100644
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--- a/modules/desktop_capture/linux/wayland/egl_dmabuf.cc
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+++ b/modules/desktop_capture/linux/wayland/egl_dmabuf.cc
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@@ -13,6 +13,7 @@
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#include <asm/ioctl.h>
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#include <dlfcn.h>
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#include <fcntl.h>
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+#include <gdk/gdk.h>
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#include <libdrm/drm_fourcc.h>
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#include <linux/types.h>
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#include <spa/param/video/format-utils.h>
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@@ -218,6 +219,26 @@ static void CloseLibrary(void* library) {
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}
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}
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+static bool IsWaylandDisplay() {
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+ static auto sGdkWaylandDisplayGetType =
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+ (GType (*)(void))dlsym(RTLD_DEFAULT, "gdk_wayland_display_get_type");
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+ if (!sGdkWaylandDisplayGetType) {
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+ return false;
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+ }
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+ return (G_TYPE_CHECK_INSTANCE_TYPE ((gdk_display_get_default()),
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+ sGdkWaylandDisplayGetType()));
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+}
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+
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+static bool IsX11Display() {
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+ static auto sGdkX11DisplayGetType =
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+ (GType (*)(void))dlsym(RTLD_DEFAULT, "gdk_x11_display_get_type");
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+ if (!sGdkX11DisplayGetType) {
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+ return false;
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+ }
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+ return (G_TYPE_CHECK_INSTANCE_TYPE ((gdk_display_get_default()),
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+ sGdkX11DisplayGetType()));
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+}
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+
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static void* g_lib_egl = nullptr;
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RTC_NO_SANITIZE("cfi-icall")
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@@ -363,8 +384,13 @@ EglDmaBuf::EglDmaBuf() {
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return;
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}
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- egl_.display = EglGetPlatformDisplay(EGL_PLATFORM_WAYLAND_KHR,
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- (void*)EGL_DEFAULT_DISPLAY, nullptr);
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+ if (IsWaylandDisplay()) {
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+ egl_.display = EglGetPlatformDisplay(EGL_PLATFORM_WAYLAND_KHR,
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+ (void*)EGL_DEFAULT_DISPLAY, nullptr);
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+ } else if (IsX11Display()) {
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+ egl_.display = EglGetPlatformDisplay(EGL_PLATFORM_X11_KHR,
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+ (void*)EGL_DEFAULT_DISPLAY, nullptr);
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+ }
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if (egl_.display == EGL_NO_DISPLAY) {
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RTC_LOG(LS_ERROR) << "Failed to obtain default EGL display: "
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