Move dead submodules in-tree

Signed-off-by: swurl <swurl@swurl.xyz>

externals/oboe/samples/RhythmGame/src/main/cpp/ui/OpenGLFunctions.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2018 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_OGL_H
+#define ANDROID_OGL_H
+
+#include <assert.h>
+
+struct ScreenColor {
+    float red;
+    float green;
+    float blue;
+    float alpha;
+};
+
+constexpr ScreenColor RED { 1.0f, 0.0f, 0.0f, 1.0f };
+constexpr ScreenColor GREEN { 0.0f, 1.0f, 0.0f, 1.0f };
+constexpr ScreenColor BLUE { 0.0f, 0.0f, 1.0f, 1.0f };
+constexpr ScreenColor PURPLE { 1.0f, 0.0f, 1.0f, 1.0f };
+constexpr ScreenColor ORANGE { 1.0f, 0.5f, 0.0f, 1.0f };
+constexpr ScreenColor GREY { 0.3f, 0.3f, 0.3f, 0.3f };
+constexpr ScreenColor YELLOW { 1.0f, 1.0f, 0.0f, 1.0f };
+
+#ifdef GL3
+#include <GLES3/gl3.h>
+#elif GL3_2
+#include <GLES3/gl32.h>
+#else
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#endif
+
+void CheckOpenGLError(const char* stmt, const char* fname, int line);
+
+#ifndef NDEBUG
+#define GL_CHECK(stmt) \
+            stmt;\
+            CheckOpenGLError(#stmt, __FILE__, __LINE__);
+#else
+#define GL_CHECK(stmt) stmt
+#endif
+
+void SetGLScreenColor(ScreenColor color);
+
+#endif //ANDROID_OGL_H