Re: [Mesa3d-users] Looking for help with glFbDev flavor of Mesa

[Brian P. <bri...@tu...>]

Malluru, Puri wrote:
> Thanks Brian
> I made those changes. I see screen getting cleared followed by some
> garbage on screen. I am wondering whether I am returning wrong values
> from video driver.
> In glutInit(), from a gdb session, I printed the values of FixedInfo and
> varInfo. They are below.
> 
> (gdb) print FixedInfo 
> $1 = {id = '\0' <repeats 15 times>, smem_start = 0, smem_len = 7056000,
> type = 0, type_aux = 0, visual = 4, xpanstep = 0, 
>   ypanstep = 0, ywrapstep = 0, line_length = 6720, mmio_start = 0,
> mmio_len = 0, accel = 0, reserved = {0, 0, 0}}
> (gdb) print VarInfo
> $2 = {xres = 1280, yres = 720, xres_virtual = 1280, yres_virtual = 720,
> xoffset = 0, yoffset = 0, bits_per_pixel = 32, 
>   grayscale = 0, red = {offset = 16, length = 8, msb_right = 0}, green =
> {offset = 8, length = 8, msb_right = 0}, blue = {
>     offset = 0, length = 8, msb_right = 0}, transp = {offset = 24,
> length = 8, msb_right = 0}, nonstd = 0, activate = 0, 
>   height = 0, width = 0, accel_flags = 0, pixclock = 0, left_margin = 0,
> right_margin = 0, upper_margin = 0, lower_margin = 0, 
>   hsync_len = 0, vsync_len = 0, sync = 0, vmode = 0, rotate = 0,
> reserved = {0, 0, 0, 0, 0}}
> (gdb)
> 
> The Frame buffer size is 1680x1050, but I am trying to use it as
> 1280x720 type frame buffer.

Do you mean you want the monitor to display 1280x720, or do you only 
want to render into a 1280x720 viewport?

-Brian