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Is there any way I can start OpenGL in software emulation mode, like DirectX where there is reference rendering option?
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How to Enable Or Disable OpenGL. To access the Software OpenGL option in SOLIDWORKS, open SOLIDWORKS and ensure no parts, assemblies, or drawings are open. In other words, open SOLIDWORKS “empty” without any documents. Select Tools > Options > Performance and toggle the option as needed.
SOLIDWORKS requires a professional, fully certified graphics card which runs the OpenGL engine in order to function correctly (e.g. Nvidia Quadro/RTX and the AMD RadeonPro).
To do so go to Tools > Options > System Options > Performance and check off “Use Software OpenGL” checkbox. This setting tells SOLIDWORKS to emulate OpenGL on its own and not attempt to use the OpenGL support of the graphics card.
What is OpenGL? OpenGL stands for Open Graphics Library, which is an application programming interface (API) used for rendering 2D and 3D vector graphics in programs, specifically CAD, virtual reality, and other visualization software.
if you are trying to just test your existing software there are a bunch of tricks... like: http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=148011
if you are writing software and have the ability to specify the render... then in windows:
from: http://www.opengl.org/resources/faq/technical/mswindows.htm
To force software rendering from your application, choose a pixel format that is not hardware accelerated. To do this, you can not use ChoosePixelFormat(), which always selects a hardware accelerated pixel format when one is available. Instead, use DescribePixelFormat() to iterate through the list of available pixel formats. Any format with the PFD_GENERIC_FORMAT attribute bit set will not be hardware accelerated.
for linux or mac... I would have to look through real books... let me know if you are on linux/Mac
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