diff --git a/include/wlr/render/egl.h b/include/wlr/render/egl.h index 4a474062..3a09ba97 100644 --- a/include/wlr/render/egl.h +++ b/include/wlr/render/egl.h @@ -43,6 +43,7 @@ struct wlr_egl { // Device extensions bool EXT_device_drm; + bool EXT_device_drm_render_node; } exts; struct { diff --git a/render/egl.c b/render/egl.c index 9fa2add5..1fe30048 100644 --- a/render/egl.c +++ b/render/egl.c @@ -289,6 +289,8 @@ struct wlr_egl *wlr_egl_create_with_drm_fd(int drm_fd) { egl->exts.EXT_device_drm = check_egl_ext(device_exts_str, "EGL_EXT_device_drm"); + egl->exts.EXT_device_drm_render_node = + check_egl_ext(device_exts_str, "EGL_EXT_device_drm_render_node"); } if (!check_egl_ext(display_exts_str, "EGL_KHR_no_config_context") && @@ -712,23 +714,39 @@ static char *get_render_name(const char *name) { } int wlr_egl_dup_drm_fd(struct wlr_egl *egl) { - if (egl->device == EGL_NO_DEVICE_EXT || !egl->exts.EXT_device_drm) { + if (egl->device == EGL_NO_DEVICE_EXT || (!egl->exts.EXT_device_drm && + !egl->exts.EXT_device_drm_render_node)) { return -1; } - const char *primary_name = egl->procs.eglQueryDeviceStringEXT(egl->device, - EGL_DRM_DEVICE_FILE_EXT); - if (primary_name == NULL) { - wlr_log(WLR_ERROR, - "eglQueryDeviceStringEXT(EGL_DRM_DEVICE_FILE_EXT) failed"); - return -1; + char *render_name = NULL; +#ifdef EGL_EXT_device_drm_render_node + if (egl->exts.device_drm_render_node_ext) { + const char *name = egl->procs.eglQueryDeviceStringEXT(egl->device, + EGL_DRM_RENDER_NODE_FILE_EXT); + if (name == NULL) { + wlr_log(WLR_DEBUG, "EGL device has no render node"); + return -1; + } + render_name = strdup(name); } +#endif - char *render_name = get_render_name(primary_name); if (render_name == NULL) { - wlr_log(WLR_ERROR, "Can't find render node name for device %s", - primary_name); - return -1; + const char *primary_name = egl->procs.eglQueryDeviceStringEXT(egl->device, + EGL_DRM_DEVICE_FILE_EXT); + if (primary_name == NULL) { + wlr_log(WLR_ERROR, + "eglQueryDeviceStringEXT(EGL_DRM_DEVICE_FILE_EXT) failed"); + return -1; + } + + render_name = get_render_name(primary_name); + if (render_name == NULL) { + wlr_log(WLR_ERROR, "Can't find render node name for device %s", + primary_name); + return -1; + } } int render_fd = open(render_name, O_RDWR | O_NONBLOCK | O_CLOEXEC);