Hi Emil,
On 2016-07-07 19:11, Emil Velikov wrote:
[Adding back mesa-dev]
Sorry, I mistakenly clicked "Reply" instead of "Reply All".
Hi Akihiko Odaki
Before anything, let me say a couple of things about DRI.
The DRI interface is an abstraction layer where you have winsys
(GLX/EGL/other) agnostic DRI module and different DRI loaders, each
implementing different winsys' API. Thus DRI modules do/should not
have any GLX/EGL/other dependencies.
As the location suggests, the file is not meant for developers using
GL/GLX/..., but it's an internal interface. This way loaders/modules
living outside of the mesa tree can reuse it. One such example is the
loader is xserver.
That's what I wanted to know. Thank you for answering.
On 7 July 2016 at 00:38, Akihiko Odaki <akihiko.odaki...@stu.hosei.ac.jp> wrote:
I forgot to note that other GL header files are included by the internal DRI
files.
The dri_interface.h file includes only drm.h afaict, due to historical
reasons. For ease of use (development) the DRI modules can reuse
numerical values from GL/GLES.
They seems. They include GL/gl.h, which provide those types.
But they are not necessary when developing softwares and some of them
don't work as expected if the installation lacks GLX.
Yes, as mentioned above - DRI is internal and not something meant for
GL/GLES/EGL/... developers.
I assumed the header files in GL/internal are not supposed to be
included by users directly, but they can be included by other public
header files. If so, GL/internal/dri_interface.h is not necessary to be
installed since it is not included by such headers.
But, after recieving your email I investigated again to find that
GL/internal/dri_interface.h is not included even if GLX is enabled. Now
I'm not sure what is the expected usage of GL/internal/dri_interface.h.
Should it be installed anyway?
Yes it should. Unfortunately one cannot know whether the
header/interface will be used, during mesa build/install stage.
If you know it's not needed, feel free to nuke it.
Emil
I see. Now I also think the hunk to patch
src/mesa/drivers/dri/Makefile.am should be removed.
Sorry for bothering and thank you for answering my questions.
Regards,
Akihiko Odaki
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