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