nanogui@linuxhacker.org

On Tue, 18 May 1999, Greg Haerr wrote:
> No, it is far too slow to draw everything twice, once in main, then in graphics ram.
 In

I don't know if there is a way to specify the write mode with the
framebuffer drivers, but if there isn't then the best way is to use a
buffer.

> addition, you'd never know what's been modified.  However, the bitblt operations you

That depends on how you implement it.

> speak of are solved with a rearchitecture of the driver model I spoke of in an earlier
> mail msg.  This involved allowing all graphics operations to be performed on a "bitmap",

That's a seperate issue to the drawing modes. 

> 	Please copy the readpixel routine into your new driver.  Readpixel is required
> for demo.c program to run, as well as the ReadArea api, as well as the cursor drawing.

I never suggested not having a readpixel() routine.

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