[Xcb] XCB understanding in Mesa dri2
jamey at minilop.net
Fri Mar 18 23:43:35 PDT 2011
You probably just want to look at the DRI2 protocol documentation,
because xcb-dri is only a small shim over that.
Specifically, I guess you want the DRI2CopyRegion request.
This list isn't a very good place to ask about what X requests like
that actually *do* though. We just know how to send them to an X
server and get replies back. You might try the xorg list instead:
On Fri, Mar 18, 2011 at 4:21 AM, Srini <srini_rajini at yahoo.com> wrote:
> Hi all,
> I am trying to port mesa for a windowing platform called CDI one like
> XCB,X11. i am successful to all EGL Calls except eglSwapBuffers. so my gles
> application cause segmentation fault when delegating the final rendered
> scene to native platform.
> I managed to port the entire flow of EGL calls by looking out the reference
> from gles application running on X11 window. but when coming to
> eglSwapBuffers it is the whole thing handled by the calls
> "xcb_dri2_copy_region_unchecked" of XCB library for what i am not getting
> source code to look out.
> could any one please advice me where from the final gles rendered buffer,
> has to be taken in Mesa context in egl_dri2.c file meaning before giving to
> could any one please tel me where can i get the source code of xcb-dri
> extensions. i understand from the build system of libxcb-1.5, the souce code
> for this extensions are managed by some python script (if i understand
> i am seriously blocked in this could anyone please help.
> Thanks in Advance.
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> Xcb at lists.freedesktop.org
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