1 files changed, 42 insertions, 0 deletions
diff --git a/host/libs/virglrenderer/OpenGLESDispatch/GLESv3Dispatch.cpp b/host/libs/virglrenderer/OpenGLESDispatch/GLESv3Dispatch.cpp
new file mode 100644
index 000000000..4aaa5180c
--- /dev/null
+++ b/host/libs/virglrenderer/OpenGLESDispatch/GLESv3Dispatch.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#include <OpenGLESDispatch/EGLDispatch.h>
+#include <OpenGLESDispatch/GLESv3Dispatch.h>
+
+#include <dlfcn.h>
+#include <stdio.h>
+
+#define DEFAULT_GLESv2_LIB "libGLESv2_swiftshader.so"
+
+GLESv3Dispatch s_gles3;
+
+#define LOOKUP_SYMBOL(return_type, function_name, signature, callargs)        \
+    s_gles3.function_name = (function_name##_t)dlsym(handle, #function_name); \
+    if ((!s_gles3.function_name) && s_egl.eglGetProcAddress)                  \
+        s_gles3.function_name = (function_name##_t)s_egl.eglGetProcAddress(#function_name);
+
+bool gles3_dispatch_init() {
+    void* handle = dlopen(DEFAULT_GLESv2_LIB, RTLD_NOW);
+    if (!handle) {
+        printf("Failed to open %s\n", dlerror());
+        return false;
+    }
+
+    LIST_GLES3_FUNCTIONS(LOOKUP_SYMBOL, LOOKUP_SYMBOL)
+
+    return true;
+}