diff options
-rw-r--r-- | include/wlr/render/egl.h | 1 | ||||
-rw-r--r-- | render/egl.c | 53 |
2 files changed, 42 insertions, 12 deletions
diff --git a/include/wlr/render/egl.h b/include/wlr/render/egl.h index 6d79cbd2..abf51997 100644 --- a/include/wlr/render/egl.h +++ b/include/wlr/render/egl.h @@ -21,6 +21,7 @@ struct wlr_egl { bool dmabuf_import; bool dmabuf_import_modifiers; bool bind_wayland_display; + bool context_priority; } egl_exts; struct wl_display *wl_display; diff --git a/render/egl.c b/render/egl.c index 676a0208..546a2c71 100644 --- a/render/egl.c +++ b/render/egl.c @@ -144,17 +144,6 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, goto error; } - static const EGLint attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE}; - - egl->context = eglCreateContext(egl->display, egl->config, - EGL_NO_CONTEXT, attribs); - - if (egl->context == EGL_NO_CONTEXT) { - wlr_log(L_ERROR, "Failed to create EGL context"); - goto error; - } - - eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context); egl->exts_str = eglQueryString(egl->display, EGL_EXTENSIONS); wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor); @@ -177,10 +166,50 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, egl->egl_exts.dmabuf_import_modifiers = check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers") && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT; + print_dmabuf_formats(egl); egl->egl_exts.bind_wayland_display = check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display"); - print_dmabuf_formats(egl); + + egl->egl_exts.context_priority = + check_egl_ext(egl->exts_str, "EGL_IMG_context_priority"); + + size_t atti = 0; + EGLint attribs[5]; + attribs[atti++] = EGL_CONTEXT_CLIENT_VERSION; + attribs[atti++] = 2; + + // Try to reschedule all of our rendering to be completed first. If it + // fails, it will fallback to the default priority (MEDIUM). + if (egl->egl_exts.context_priority) { + attribs[atti++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG; + attribs[atti++] = EGL_CONTEXT_PRIORITY_HIGH_IMG; + } + + attribs[atti++] = EGL_NONE; + assert(atti < sizeof(attribs)/sizeof(attribs[0])); + + egl->context = eglCreateContext(egl->display, egl->config, + EGL_NO_CONTEXT, attribs); + if (egl->context == EGL_NO_CONTEXT) { + wlr_log(L_ERROR, "Failed to create EGL context"); + goto error; + } + + if (egl->egl_exts.context_priority) { + EGLint priority = EGL_CONTEXT_PRIORITY_MEDIUM_IMG; + eglQueryContext(egl->display, egl->context, + EGL_CONTEXT_PRIORITY_LEVEL_IMG, &priority); + if (priority != EGL_CONTEXT_PRIORITY_HIGH_IMG) { + wlr_log(L_INFO, "Failed to obtain a high priority context"); + } + } + + if (!eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, + egl->context)) { + wlr_log(L_ERROR, "Failed to make EGL context current"); + goto error; + } return true; |