diff options
| -rw-r--r-- | docs/env_vars.md | 5 | ||||
| -rw-r--r-- | render/egl.c | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/docs/env_vars.md b/docs/env_vars.md index 6ac87e07..aa4635cc 100644 --- a/docs/env_vars.md +++ b/docs/env_vars.md @@ -39,6 +39,11 @@ wlroots reads these environment variables * *WLR_X11_OUTPUTS*: when using the X11 backend specifies the number of outputs +## gles2 renderer + +* *WLR_RENDERER_ALLOW_SOFTWARE*: allows the gles2 renderer to use software + rendering + # Generic * *DISPLAY*: if set probe X11 backend in `wlr_backend_autocreate` diff --git a/render/egl.c b/render/egl.c index c1734a36..2eea387b 100644 --- a/render/egl.c +++ b/render/egl.c @@ -272,6 +272,18 @@ struct wlr_egl *wlr_egl_create(EGLenum platform, void *remote_display, goto error; } + if (check_egl_ext(device_exts_str, "EGL_MESA_device_software")) { + const char *allow_software = getenv("WLR_RENDERER_ALLOW_SOFTWARE"); + if (strcmp(allow_software, "1") == 0) { + wlr_log(WLR_INFO, "Using software rendering"); + } else { + wlr_log(WLR_ERROR, "Software rendering detected, please use " + "the WLR_RENDERER_ALLOW_SOFTWARE environment variable " + "to proceed"); + goto error; + } + } + egl->exts.device_drm_ext = check_egl_ext(device_exts_str, "EGL_EXT_device_drm"); } |