meson: Allow building dri based EGL without GLX

It should be possible to build EGL without GLX, but the meson build
currently doesn't allow that because it too tightly couples glx and dri.
This patch eases dri and glx apart, so that EGL without GLX can be
built.

CC: Daniel Stone <daniels@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>
This commit is contained in:
Dylan Baker 2018-02-28 10:13:38 -08:00
parent d41ee9ba5d
commit f74cf04d3e

View File

@ -1,4 +1,4 @@
# Copyright © 2017 Intel Corporation
# Copyright © 2017-2018 Intel Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
@ -29,6 +29,8 @@ project(
default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
)
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
# Arguments for the preprocessor, put these in a separate array from the C and
# C++ (cpp in meson terminology) arguments since they need to be added to the
# default arguments for both C and C++.
@ -172,6 +174,13 @@ if _drivers != ''
with_gallium_virgl = _split.contains('virgl')
with_gallium_swr = _split.contains('swr')
with_gallium = true
if system_has_kms_drm
_glx = get_option('glx')
_egl = get_option('egl')
if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
with_dri = true
endif
endif
endif
with_intel_vk = false
@ -217,8 +226,6 @@ if with_dri_i915 or with_gallium_i915
dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')
endif
system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
if host_machine.system() == 'darwin'
with_dri_platform = 'apple'
elif ['windows', 'cygwin'].contains(host_machine.system())
@ -272,6 +279,7 @@ if with_glx == 'auto'
elif with_gallium
# Even when building just gallium drivers the user probably wants dri
with_glx = 'dri'
with_dri = true
elif with_platform_x11 and with_any_opengl and not with_any_vk
# The automatic behavior should not be to turn on xlib based glx when
# building only vulkan drivers
@ -280,11 +288,6 @@ if with_glx == 'auto'
with_glx = 'disabled'
endif
endif
if with_glx == 'dri'
if with_gallium
with_dri = true
endif
endif
if not (with_dri or with_gallium or with_glx == 'xlib' or with_glx == 'gallium-xlib')
with_gles1 = false
@ -314,6 +317,8 @@ elif _egl == 'true'
error('EGL requires shared-glapi')
elif egl_native_platform == ''
error('No platforms specified, consider -Dplatforms=drm,x11 at least')
elif not ['disabled', 'dri'].contains(with_glx)
error('EGL requires dri, but a GLX is being built without dri')
endif
with_egl = true
else
@ -633,7 +638,7 @@ endif
gl_pkgconfig_c_flags = []
if with_platform_x11
if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
pre_args += '-DHAVE_X11_PLATFORM'
endif
if with_glx == 'xlib' or with_glx == 'gallium-xlib'
@ -1219,7 +1224,7 @@ if with_platform_x11
dep_xcb = dependency('xcb')
dep_x11_xcb = dependency('x11-xcb')
endif
if with_any_vk or (with_glx == 'dri' and with_dri_platform == 'drm')
if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
if with_dri3