Windows Vista offers bad OpenGL implimentation

2005年8月10日 05:29
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Guest 投稿 "Call to Action: Current plan for Windows Vista Aero will degrade OpenGL performance. Act Now to keep OpenGL a first class API under Windows Microsoft's current plan for OpenGL on Windows Vista is to layer OpenGL over Direct3D in order to use OpenGL with a composited desktop to obtain the Aero experience. If an OpenGL ICD is run - the desktop compositor will switch off - significantly degrading the user experience. It would be technically straightforward to provide an OpenGL ICD within the full Aero experience without compromising the stability or the security of the operating system. Layering OpenGL over Direct3D is a policy decision more than a technical decision. http://www.opengl.org/"
"Call to Action: Current plan for Windows Vista Aero will degrade OpenGL performance. Act Now to keep OpenGL a first class API under Windows Microsoft's current plan for OpenGL on Windows Vista is to layer OpenGL over Direct3D in order to use OpenGL with a composited desktop to obtain the Aero experience. If an OpenGL ICD is run - the desktop compositor will switch off - significantly degrading the user experience. In practice this means for OpenGL under Aeroglass:
  • OpenGL performance will be significantly reduced - perhaps as much as 50%
  • OpenGL on Windows will be fixed at a vanilla version of OpenGL 1.4
  • No extensions will be possible to expose future hardware innovations
It would be technically straightforward to provide an OpenGL ICD within the full Aero experience without compromising the stability or the security of the operating system. Layering OpenGL over Direct3D is a policy decision more than a technical decision. http://www.opengl.org/"

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