TYPE3

[iec.git] / src / type3_AndroidCloud / anbox-master / src / anbox / graphics / gl_extensions.h

diff --git a/src/type3_AndroidCloud/anbox-master/src/anbox/graphics/gl_extensions.h b/src/type3_AndroidCloud/anbox-master/src/anbox/graphics/gl_extensions.h
new file mode 100644 (file)
index 0000000..1b91e5f
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+++ b/src/type3_AndroidCloud/anbox-master/src/anbox/graphics/gl_extensions.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2017 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ANBOX_GRAPHICS_GL_EXTENSIONS_H_
+#define ANBOX_GRAPHICS_GL_EXTENSIONS_H_
+
+#include <stdexcept>
+#include <string.h>
+
+namespace anbox {
+namespace graphics {
+class GLExtensions {
+ public:
+  GLExtensions(char const* extensions) : extensions{extensions} {
+    if (!extensions)
+      throw std::runtime_error("Couldn't get list of GL extensions");
+  }
+
+  bool support(char const* ext) const {
+    if (!ext)
+      throw std::invalid_argument("Invalid extension name");
+
+    char const* ext_ptr = extensions;
+    size_t const len = strlen(ext);
+    while ((ext_ptr = strstr(ext_ptr, ext)) != nullptr) {
+      if (ext_ptr[len] == ' ' || ext_ptr[len] == '\0')
+        break;
+      ext_ptr += len;
+    }
+
+    return ext_ptr != nullptr;
+  }
+
+  char const* raw() { return extensions; }
+
+ private:
+  char const* extensions;
+};
+}  // namespace graphics
+}  // namespace anbox
+
+#endif