Initial work

external/android-emugl/host/include/OpenGLESDispatch/EGLDispatch.h

@@ -0,0 +1,53 @@
+/*
+* Copyright (C) 2011 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.
+*/
+#pragma once
+
+#include "OpenGLESDispatch/RenderEGL_functions.h"
+#include "OpenGLESDispatch/RenderEGL_extensions_functions.h"
+
+// This header is used to define the EGLDispatch structure that contains
+// pointers to the EGL shared library used by libOpenglRender. Normally,
+// this will be our own libEGL_translator, but one could imagine a
+// vendor-specific being used instead.
+
+// There is a single global instance of this structure, named |s_egl|,
+// which must be initialized by calling init_egl_dispatch() before use.
+
+// Note that our code requires the implementation of misc EGL extensions
+// including eglSetSwapRectangleANDROID(), see RenderEGL_extensions_functions.h
+// for a full list.
+
+#define RENDER_EGL_DEFINE_TYPE(return_type, function_name, signature) \
+    typedef return_type (EGLAPIENTRY *function_name ## _t) signature;
+
+#define RENDER_EGL_DECLARE_MEMBER(return_type, function_name, signature) \
+    function_name ## _t function_name;
+
+// Define function typedefs.
+LIST_RENDER_EGL_FUNCTIONS(RENDER_EGL_DEFINE_TYPE)
+LIST_RENDER_EGL_EXTENSIONS_FUNCTIONS(RENDER_EGL_DEFINE_TYPE)
+
+// Define EGLDispatch structure.
+struct EGLDispatch {
+    LIST_RENDER_EGL_FUNCTIONS(RENDER_EGL_DECLARE_MEMBER)
+    LIST_RENDER_EGL_EXTENSIONS_FUNCTIONS(RENDER_EGL_DECLARE_MEMBER)
+};
+
+// Initialize EGLDispatch function. Return true on success, false on failure.
+bool init_egl_dispatch();
+
+// Global EGLDispatch instance. Call init_egl_dispatch() before using it.
+extern EGLDispatch s_egl;