Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/examples/common/glUtils.h

@@ -0,0 +1,51 @@
+//
+//   Copyright 2015 Pixar
+//
+//   Licensed under the terms set forth in the LICENSE.txt file available at
+//   https://opensubdiv.org/license.
+//
+
+#ifndef OPENSUBDIV_EXAMPLES_GL_UTILS_H
+#define OPENSUBDIV_EXAMPLES_GL_UTILS_H
+
+#include "glLoader.h"
+
+#include <cstdio>
+#include <string>
+#include <iostream>
+
+namespace GLUtils {
+
+void InitializeGL();
+
+void SetMinimumGLVersion(int argc=0, char **argv=NULL);
+
+void PrintGLVersion();
+
+void CheckGLErrors(std::string const & where = "");
+
+GLuint CompileShader(GLenum shaderType, const char *source);
+
+void WriteScreenshot(int width, int height);
+
+bool SupportsAdaptiveTessellation();
+
+// Helper function that parses the opengl version string, retrieving the
+// major and minor version from it.
+void GetMajorMinorVersion(int *major, int *minor);
+
+// Gets the shader version based on the current opengl version and returns 
+// it in a string form.
+std::string GetShaderVersion();
+
+std::string GetShaderVersionInclude();
+
+bool GL_ARBSeparateShaderObjectsOrGL_VERSION_4_1();
+
+bool GL_ARBComputeShaderOrGL_VERSION_4_3();
+
+};
+
+#endif  // OPENSUBDIV_EXAMPLES_GL_UTILS_H
+
+