remove libui dependency on libEGL
Change-Id: I1194f04085637d5c384e134967249430cc43b6ee
diff --git a/opengl/tests/include/EGLUtils.h b/opengl/tests/include/EGLUtils.h
new file mode 100644
index 0000000..014c261
--- /dev/null
+++ b/opengl/tests/include/EGLUtils.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef ANDROID_UI_EGLUTILS_H
+#define ANDROID_UI_EGLUTILS_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <system/window.h>
+#include <utils/Errors.h>
+#include <EGL/egl.h>
+
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+class EGLUtils
+{
+public:
+
+ static inline const char *strerror(EGLint err);
+
+ static inline status_t selectConfigForPixelFormat(
+ EGLDisplay dpy,
+ EGLint const* attrs,
+ int32_t format,
+ EGLConfig* outConfig);
+
+ static inline status_t selectConfigForNativeWindow(
+ EGLDisplay dpy,
+ EGLint const* attrs,
+ EGLNativeWindowType window,
+ EGLConfig* outConfig);
+};
+
+// ----------------------------------------------------------------------------
+
+const char *EGLUtils::strerror(EGLint err)
+{
+ switch (err){
+ case EGL_SUCCESS: return "EGL_SUCCESS";
+ case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
+ case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
+ case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
+ case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
+ case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
+ case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
+ case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
+ case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
+ case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
+ case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
+ case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
+ case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
+ case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
+ case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
+ default: return "UNKNOWN";
+ }
+}
+
+status_t EGLUtils::selectConfigForPixelFormat(
+ EGLDisplay dpy,
+ EGLint const* attrs,
+ int32_t format,
+ EGLConfig* outConfig)
+{
+ EGLint numConfigs = -1, n=0;
+
+ if (!attrs)
+ return BAD_VALUE;
+
+ if (outConfig == NULL)
+ return BAD_VALUE;
+
+ // Get all the "potential match" configs...
+ if (eglGetConfigs(dpy, NULL, 0, &numConfigs) == EGL_FALSE)
+ return BAD_VALUE;
+
+ EGLConfig* const configs = (EGLConfig*)malloc(sizeof(EGLConfig)*numConfigs);
+ if (eglChooseConfig(dpy, attrs, configs, numConfigs, &n) == EGL_FALSE) {
+ free(configs);
+ return BAD_VALUE;
+ }
+
+ int i;
+ EGLConfig config = NULL;
+ for (i=0 ; i<n ; i++) {
+ EGLint nativeVisualId = 0;
+ eglGetConfigAttrib(dpy, configs[i], EGL_NATIVE_VISUAL_ID, &nativeVisualId);
+ if (nativeVisualId>0 && format == nativeVisualId) {
+ config = configs[i];
+ break;
+ }
+ }
+
+ free(configs);
+
+ if (i<n) {
+ *outConfig = config;
+ return NO_ERROR;
+ }
+
+ return NAME_NOT_FOUND;
+}
+
+status_t EGLUtils::selectConfigForNativeWindow(
+ EGLDisplay dpy,
+ EGLint const* attrs,
+ EGLNativeWindowType window,
+ EGLConfig* outConfig)
+{
+ int err;
+ int format;
+
+ if (!window)
+ return BAD_VALUE;
+
+ if ((err = window->query(window, NATIVE_WINDOW_FORMAT, &format)) < 0) {
+ return err;
+ }
+
+ return selectConfigForPixelFormat(dpy, attrs, format, outConfig);
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
+
+#endif /* ANDROID_UI_EGLUTILS_H */