Re: [Xpert]pre-allocated colormap?

2001-09-23 Thread Juliusz Chroboczek
On an eight-bit visual, XDPS will allocate a 9-level gray ramp, and a 4x4x4 colour cube, for a total of 73 colourmap entries. (Colour allocation happens on the client side in XDPS.) Can RENDER deal with such a configuration? KP RENDER must have the colors allocated within the server;

Re: [Xpert]pre-allocated colormap?

2001-09-22 Thread Juliusz Chroboczek
On an eight-bit visual, XDPS will allocate a 9-level gray ramp, and a 4x4x4 colour cube, for a total of 73 colourmap entries. (Colour allocation happens on the client side in XDPS.) Can RENDER deal with such a configuration? Juliusz

Re: [Xpert]pre-allocated colormap?

2001-09-22 Thread Keith Packard
Around 19 o'clock on Sep 22, Juliusz Chroboczek wrote: On an eight-bit visual, XDPS will allocate a 9-level gray ramp, and a 4x4x4 colour cube, for a total of 73 colourmap entries. (Colour allocation happens on the client side in XDPS.) Can RENDER deal with such a configuration? RENDER

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Dr Andrew C Aitchison
On Fri, 14 Sep 2001, Sidik Isani wrote: P.S.: Other than mga, does anything else support Overlay? The glint driver supports overlay on appropriate 3Dlabs cards (Oxygen VX1-1600SW is the only one I tried, and it works). *Some* S3 cards have suitable hardware (TVP3026 or RGB526 ramdacs, possibly

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Mark Vojkovich
On Fri, 14 Sep 2001, Sidik Isani wrote: Hello - With 8 bpp pseudocolor, I'm finding that simply starting the X-Server allocates almost all the color cells in the default colormap. There are only about 12 free cells, and most programs either fail or install a private colormap. Is

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Sidik Isani
Mark Vojkovich wrote: |On Fri, 14 Sep 2001, Sidik Isani wrote: | | Hello - | | With 8 bpp pseudocolor, I'm finding that simply starting the | X-Server allocates almost all the color cells in the default | colormap. There are only about 12 free cells, and most programs | either fail or

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Keith Packard
Around 9 o'clock on Sep 15, Sidik Isani wrote: | With 8 bpp pseudocolor, I'm finding that simply starting the | X-Server allocates almost all the color cells in the default | colormap. There are only about 12 free cells, and most programs | either fail or install a private colormap.

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Mark Vojkovich
On Sat, 15 Sep 2001, Sidik Isani wrote: Mark Vojkovich wrote: |On Fri, 14 Sep 2001, Sidik Isani wrote: | | Hello - | | With 8 bpp pseudocolor, I'm finding that simply starting the | X-Server allocates almost all the color cells in the default | colormap. There are only about 12

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Keith Packard
Around 10 o'clock on Sep 15, Sidik Isani wrote: Unfortunately, there is. We look at astronomy CCD images, and the visualization tools like to manipulate a colormap to give a quick contrast adjustment. If you have source, you could consider fixing these to use DirectColor instead;

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Keith Packard
Around 11 o'clock on Sep 15, Sidik Isani wrote: It may be enough. Usually we look at our images with simple grey scales, and just need a way to exaggerate contrast to bring out features. I'd like to learn more about DirectColor. How much control does it give over luminence

Re: [Xpert]pre-allocated colormap?

2001-09-15 Thread Keith Packard
Around 16 o'clock on Sep 15, Mark Vojkovich wrote: Like by temporarily lowering the sigBits? Changing current allocation behavior makes me uneasy. Doesn't the specification say something about this? AllocColor: This request allocates a read-only colormap entry corresponding to the