mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-30 23:30:07 +00:00
85bb0a156e
- the framebuffer class in examples/common is unstable in certain drivers. removing offscreen rendering for now. - move screenshot function to GLUtils. - fix vertex attrib binding bug (not showing control mesh on osx)
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
//
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// Copyright 2015 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache 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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#if defined(__APPLE__)
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#if defined(OSD_USES_GLEW)
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#include <GL/glew.h>
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#else
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#include <OpenGL/gl3.h>
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#endif
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#define GLFW_INCLUDE_GL3
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#define GLFW_NO_GLU
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#else
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#include <stdlib.h>
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#include <GL/glew.h>
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#if defined(WIN32)
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#include <GL/wglew.h>
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#endif
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#endif
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#include <osd/opengl.h>
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#include <cstdio>
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#include <string>
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#include <iostream>
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#define CORE_PROFILE
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namespace GLUtils {
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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 open gl 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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