Re: [Qemu-devel] [patch] cocoa.m - Core Graphics support

[Pierre d'Herbemont]

On Jan 30, 2008, at 9:30 PM, Mike Kronenberg wrote:

> Unfortunateley, there is no "official" direct access to the  
> framebuffer anymore, since apple depreciated QuickDraw. [1]

Well, you can using OpenGL and Apple's Extension have a nearly direct  
VRAM access, the idea is to use

glEnable( GL_UNPACK_CLIENT_STORAGE_APPLE );
glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE );

and

glTexParameteri( VLCGL_TARGET, GL_TEXTURE_STORAGE_HINT_APPLE,  
GL_STORAGE_SHARED_APPLE );

On the texture on which you want to draw. See:

http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_texturedata/chapter_10_section_2.html

Pierre.