diff --git a/kmscube/cube-egl.cpp b/kmscube/cube-egl.cpp
--- /dev/null
+++ b/kmscube/cube-egl.cpp
@@ -0,0 +1,121 @@
+#include "cube-egl.h"
+#include "cube.h"
+
+#include <kms++util/kms++util.h>
+
+using namespace std;
+
+static void print_egl_config(EGLDisplay dpy, EGLConfig cfg)
+{
+ auto getconf = [dpy, cfg](EGLint a) { EGLint v = -1; eglGetConfigAttrib(dpy, cfg, a, &v); return v; };
+
+ printf("EGL Config %d: color buf %d/%d/%d/%d = %d, depth %d, stencil %d, native visualid %d, native visualtype %d\n",
+ getconf(EGL_CONFIG_ID),
+ getconf(EGL_ALPHA_SIZE),
+ getconf(EGL_RED_SIZE),
+ getconf(EGL_GREEN_SIZE),
+ getconf(EGL_BLUE_SIZE),
+ getconf(EGL_BUFFER_SIZE),
+ getconf(EGL_DEPTH_SIZE),
+ getconf(EGL_STENCIL_SIZE),
+ getconf(EGL_NATIVE_VISUAL_ID),
+ getconf(EGL_NATIVE_VISUAL_TYPE));
+}
+
+EglState::EglState(void *native_display)
+{
+ EGLBoolean b;
+ EGLint major, minor, n;
+
+ static const EGLint context_attribs[] = {
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+ EGL_NONE
+ };
+
+ static const EGLint config_attribs[] = {
+ EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+ EGL_RED_SIZE, 8,
+ EGL_GREEN_SIZE, 8,
+ EGL_BLUE_SIZE, 8,
+ EGL_ALPHA_SIZE, 0,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_NONE
+ };
+
+ m_display = eglGetDisplay((EGLNativeDisplayType)native_display);
+ FAIL_IF(!m_display, "failed to get egl display");
+
+ b = eglInitialize(m_display, &major, &minor);
+ FAIL_IF(!b, "failed to initialize");
+
+ if (s_verbose) {
+ printf("Using display %p with EGL version %d.%d\n", m_display, major, minor);
+
+ printf("EGL_VENDOR: %s\n", eglQueryString(m_display, EGL_VENDOR));
+ printf("EGL_VERSION: %s\n", eglQueryString(m_display, EGL_VERSION));
+ printf("EGL_EXTENSIONS: %s\n", eglQueryString(m_display, EGL_EXTENSIONS));
+ printf("EGL_CLIENT_APIS: %s\n", eglQueryString(m_display, EGL_CLIENT_APIS));
+ }
+
+ b = eglBindAPI(EGL_OPENGL_ES_API);
+ FAIL_IF(!b, "failed to bind api EGL_OPENGL_ES_API");
+
+
+ if (s_verbose) {
+ EGLint numConfigs;
+ b = eglGetConfigs(m_display, nullptr, 0, &numConfigs);
+ FAIL_IF(!b, "failed to get number of configs");
+
+ EGLConfig configs[numConfigs];
+ b = eglGetConfigs(m_display, configs, numConfigs, &numConfigs);
+
+ printf("Available configs:\n");
+
+ for (int i = 0; i < numConfigs; ++i)
+ print_egl_config(m_display, configs[i]);
+ }
+
+ b = eglChooseConfig(m_display, config_attribs, &m_config, 1, &n);
+ FAIL_IF(!b || n != 1, "failed to choose config");
+
+ if (s_verbose) {
+ printf("Chosen config:\n");
+ print_egl_config(m_display, m_config);
+ }
+
+ m_context = eglCreateContext(m_display, m_config, EGL_NO_CONTEXT, context_attribs);
+ FAIL_IF(!m_context, "failed to create context");
+
+ EGLBoolean ok = eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, m_context);
+ FAIL_IF(!ok, "eglMakeCurrent() failed");
+}
+
+EglState::~EglState()
+{
+ eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ eglTerminate(m_display);
+}
+
+EglSurface::EglSurface(const EglState &egl, void *native_window)
+ : egl(egl)
+{
+ esurface = eglCreateWindowSurface(egl.display(), egl.config(), (EGLNativeWindowType)native_window, NULL);
+ FAIL_IF(esurface == EGL_NO_SURFACE, "failed to create egl surface");
+}
+
+EglSurface::~EglSurface()
+{
+ eglDestroySurface(egl.display(), esurface);
+}
+
+void EglSurface::make_current()
+{
+ EGLBoolean ok = eglMakeCurrent(egl.display(), esurface, esurface, egl.context());
+ FAIL_IF(!ok, "eglMakeCurrent() failed");
+}
+
+void EglSurface::swap_buffers()
+{
+ EGLBoolean ok = eglSwapBuffers(egl.display(), esurface);
+ FAIL_IF(!ok, "eglMakeCurrent() failed");
+}