Request a high priority EGL context
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32f9699359
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@ -21,6 +21,7 @@ struct wlr_egl {
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bool dmabuf_import;
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bool dmabuf_import_modifiers;
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bool bind_wayland_display;
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bool context_priority;
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} egl_exts;
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struct wl_display *wl_display;
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53
render/egl.c
53
render/egl.c
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@ -144,17 +144,6 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
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goto error;
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}
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static const EGLint attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
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egl->context = eglCreateContext(egl->display, egl->config,
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EGL_NO_CONTEXT, attribs);
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if (egl->context == EGL_NO_CONTEXT) {
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wlr_log(L_ERROR, "Failed to create EGL context");
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goto error;
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}
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eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
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egl->exts_str = eglQueryString(egl->display, EGL_EXTENSIONS);
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wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
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@ -177,10 +166,50 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
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egl->egl_exts.dmabuf_import_modifiers =
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check_egl_ext(egl->exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
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&& eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
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print_dmabuf_formats(egl);
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egl->egl_exts.bind_wayland_display =
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check_egl_ext(egl->exts_str, "EGL_WL_bind_wayland_display");
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print_dmabuf_formats(egl);
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egl->egl_exts.context_priority =
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check_egl_ext(egl->exts_str, "EGL_IMG_context_priority");
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size_t atti = 0;
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EGLint attribs[5];
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attribs[atti++] = EGL_CONTEXT_CLIENT_VERSION;
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attribs[atti++] = 2;
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// Try to reschedule all of our rendering to be completed first. If it
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// fails, it will fallback to the default priority (MEDIUM).
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if (egl->egl_exts.context_priority) {
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attribs[atti++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG;
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attribs[atti++] = EGL_CONTEXT_PRIORITY_HIGH_IMG;
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}
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attribs[atti++] = EGL_NONE;
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assert(atti < sizeof(attribs)/sizeof(attribs[0]));
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egl->context = eglCreateContext(egl->display, egl->config,
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EGL_NO_CONTEXT, attribs);
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if (egl->context == EGL_NO_CONTEXT) {
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wlr_log(L_ERROR, "Failed to create EGL context");
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goto error;
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}
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if (egl->egl_exts.context_priority) {
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EGLint priority = EGL_CONTEXT_PRIORITY_MEDIUM_IMG;
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eglQueryContext(egl->display, egl->context,
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EGL_CONTEXT_PRIORITY_LEVEL_IMG, &priority);
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if (priority != EGL_CONTEXT_PRIORITY_HIGH_IMG) {
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wlr_log(L_INFO, "Failed to obtain a high priority context");
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}
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}
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if (!eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE,
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egl->context)) {
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wlr_log(L_ERROR, "Failed to make EGL context current");
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goto error;
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}
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return true;
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