x11-apps/mesa-progs: Switch to meson

Closes: https://bugs.gentoo.org/845072
Co-authored-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Matt Turner <mattst88@gentoo.org>

2 files changed, 304 insertions, 41 deletions

diff --git a/x11-apps/mesa-progs/files/8.5.0-Disable-things-we-don-t-want.patch b/x11-apps/mesa-progs/files/8.5.0-Disable-things-we-don-t-want.patch
new file mode 100644
index 000000000000..666f568e461f
--- /dev/null
+++ b/x11-apps/mesa-progs/files/8.5.0-Disable-things-we-don-t-want.patch
@@ -0,0 +1,254 @@
+From caa6f31f1032f21756ab327429702feb4381045e Mon Sep 17 00:00:00 2001
+From: Matt Turner <mattst88@gmail.com>
+Date: Mon, 30 May 2022 12:16:24 -0400
+Subject: [PATCH] Disable things we don't want
+
+---
+ meson.build                   | 11 +++--------
+ src/egl/opengl/meson.build    | 29 ----------------------------
+ src/egl/opengles2/meson.build |  5 -----
+ src/glad/meson.build          | 17 -----------------
+ src/meson.build               |  2 --
+ src/util/gl_wrap.h            |  2 --
+ src/util/meson.build          | 20 -------------------
+ src/xdemos/meson.build        | 36 -----------------------------------
+ 8 files changed, 3 insertions(+), 119 deletions(-)
+
+diff --git a/meson.build b/meson.build
+index e1968fab..9d59c1ec 100644
+--- a/meson.build
++++ b/meson.build
+@@ -75,14 +75,7 @@ endif
+ 
+ dep_threads = dependency('threads')
+ 
+-dep_glu = dependency('glu', required : dep_x11.found())
+-if not dep_glu.found()
+-  _glu_name = 'GLU'
+-  if host_machine.system() == 'windows'
+-    _glu_name = 'glu32'
+-  endif
+-  dep_glu = cc.find_library(_glu_name, has_headers: 'GL/glu.h')
+-endif
++dep_glu = disabler()
+ 
+ # GBM is needed for EGL on KMS
+ dep_gbm = dependency('gbm', required : false, disabler : true)
+@@ -117,6 +110,8 @@ else
+   )
+ endif
+ 
++dep_glut = disabler()
++
+ if dep_glut.found() and cc.has_function('glutInitContextProfile',
+                                         include_directories: glut_incdir,
+                                         prefix : '#include <GL/freeglut.h>')
+diff --git a/src/egl/opengl/meson.build b/src/egl/opengl/meson.build
+index ba7cadc3..789b25a5 100644
+--- a/src/egl/opengl/meson.build
++++ b/src/egl/opengl/meson.build
+@@ -4,41 +4,12 @@ executable(
+   'eglgears_x11', files('eglgears.c'),
+   dependencies: [_deps, idep_eglut_x11]
+ )
+-executable(
+-  'egltri_x11', files('egltri.c'),
+-  dependencies: [_deps, idep_eglut_x11]
+-)
+-executable(
+-  'xeglgears', files('xeglgears.c'),
+-  dependencies: [_deps, dep_egl, dep_x11]
+-)
+-executable(
+-  'xeglthreads', files('xeglthreads.c'),
+-  dependencies: [_deps, dep_x11]
+-)
+-
+ executable(
+   'eglgears_wayland', files('eglgears.c'),
+   dependencies: [_deps, idep_eglut_wayland]
+ )
+-executable(
+-  'egltri_wayland', files('egltri.c'),
+-  dependencies: [_deps, idep_eglut_wayland]
+-)
+-
+-executable(
+-  'eglkms', 'eglkms.c',
+-  dependencies: [_deps, dep_drm, dep_gbm, dep_egl]
+-)
+-
+ executable(
+   'eglinfo', 'eglinfo.c',
+   dependencies: [dep_egl],
+   install: true
+ )
+-
+-executable(
+-  'peglgears', 'peglgears.c',
+-  dependencies: [dep_gl, dep_egl, dep_m, idep_util]
+-)
+-
+diff --git a/src/egl/opengles2/meson.build b/src/egl/opengles2/meson.build
+index 59f69ed7..7137a961 100644
+--- a/src/egl/opengles2/meson.build
++++ b/src/egl/opengles2/meson.build
+@@ -9,11 +9,6 @@ executable(
+   dependencies: [dep_gles2, idep_eglut_x11, dep_m],
+   install: true
+ )
+-executable(
+-  'es2tri', files('es2tri.c'),
+-  dependencies: [_deps_x11, dep_m],
+-  install: true
+-)
+ executable(
+   'es2gears_wayland', files('es2gears.c'),
+   dependencies: [dep_gles2, idep_eglut_wayland, dep_m],
+diff --git a/src/glad/meson.build b/src/glad/meson.build
+index 2d107609..23dacd45 100644
+--- a/src/glad/meson.build
++++ b/src/glad/meson.build
+@@ -19,20 +19,3 @@
+ # SOFTWARE.
+ 
+ inc_glad = include_directories('include')
+-
+-_libglad_files = files('src/glad.c')
+-if host_machine.system() == 'windows'
+-  _libglad_files += files('src/glad_wgl.c')
+-endif
+-
+-_libglad = static_library(
+-  'glad',
+-  _libglad_files,
+-  include_directories: inc_glad
+-)
+-
+-idep_glad = declare_dependency(
+-  link_with: _libglad,
+-  dependencies: dep_dl,
+-  include_directories: inc_glad,
+-)
+diff --git a/src/meson.build b/src/meson.build
+index 39cac78d..4d4abbf8 100644
+--- a/src/meson.build
++++ b/src/meson.build
+@@ -55,5 +55,3 @@ endif
+ if host_machine.system() == 'windows'
+   subdir('wgl')
+ endif
+-
+-subdir('data')
+diff --git a/src/util/gl_wrap.h b/src/util/gl_wrap.h
+index b2ff9c8f..f482df5e 100644
+--- a/src/util/gl_wrap.h
++++ b/src/util/gl_wrap.h
+@@ -7,10 +7,8 @@
+ 
+ #ifdef __APPLE__
+ #  include <OpenGL/gl.h>
+-#  include <OpenGL/glu.h>
+ #else
+ #  include <GL/gl.h>
+-#  include <GL/glu.h>
+ #endif
+ 
+ #ifndef GLAPIENTRY
+diff --git a/src/util/meson.build b/src/util/meson.build
+index 9168aecf..066073cc 100644
+--- a/src/util/meson.build
++++ b/src/util/meson.build
+@@ -20,26 +20,6 @@
+ 
+ inc_util = include_directories('.')
+ 
+-files_libutil = files(
+-  'readtex.c',
+-  'showbuffer.c',
+-  'trackball.c',
+-)
+-
+-_deps = []
+-if dep_glut.found()
+-  files_libutil += files('shaderutil.c')
+-  _deps += dep_glut
+-endif
+-
+-_libutil = static_library(
+-  'util',
+-  files_libutil,
+-  include_directories: inc_glad,
+-  dependencies: _deps,
+-)
+-
+ idep_util = declare_dependency(
+-  link_with: _libutil,
+   include_directories: inc_util,
+ )
+diff --git a/src/xdemos/meson.build b/src/xdemos/meson.build
+index d6d5d5d5..ce26699f 100644
+--- a/src/xdemos/meson.build
++++ b/src/xdemos/meson.build
+@@ -21,25 +21,7 @@
+ glx_deps = [dep_gl, dep_x11, dep_m]
+ 
+ progs = [
+-  'glsync',
+-  'glxdemo',
+   'glxgears',
+-  'glxgears_pixmap',
+-  'glxcontexts',
+-  'glxheads',
+-  'glxpixmap',
+-  'glxpbdemo',
+-  'glxsnoop',
+-  'glxswapcontrol',
+-  'manywin',
+-  'multictx',
+-  'offset',
+-  'overlay',
+-  'shape',
+-  'sharedtex',
+-  'texture_from_pixmap',
+-  'wincopy',
+-  'xfont',
+ ]
+ foreach p : progs
+   executable(
+@@ -56,23 +38,7 @@ executable(
+   install: true
+ )
+ 
+-executable(
+-  'xrotfontdemo',
+-  files('xrotfontdemo.c', 'xuserotfont.c'),
+-  dependencies: glx_deps,
+-  install: true
+-)
+-
+-_libpbutil = static_library(
+-  'pbutil',
+-  files('pbutil.c'),
+-  dependencies: glx_deps
+-)
+-
+ pbutil_progs = [
+-  'glxgears_fbconfig',
+-  'pbinfo',
+-  'pbdemo',
+ ]
+ foreach p : pbutil_progs
+   executable(
+@@ -84,8 +50,6 @@ foreach p : pbutil_progs
+ endforeach
+ 
+ thread_progs = [
+-  'glthreads',
+-  'sharedtex_mt',
+ ]
+ foreach p : thread_progs
+   executable(
+-- 
+2.35.1
+
diff --git a/x11-apps/mesa-progs/mesa-progs-9999.ebuild b/x11-apps/mesa-progs/mesa-progs-9999.ebuild
index ac2f9b7db41f..0de99d7b802b 100644
--- a/x11-apps/mesa-progs/mesa-progs-9999.ebuild
+++ b/x11-apps/mesa-progs/mesa-progs-9999.ebuild
@@ -1,7 +1,9 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
+
+inherit meson-multilib
 
 MY_PN="${PN/progs/demos}"
 MY_P="${MY_PN}-${PV}"
@@ -9,10 +11,8 @@ MY_P="${MY_PN}-${PV}"
 DESCRIPTION="Mesa's OpenGL utility and demo programs (glxgears and glxinfo)"
 HOMEPAGE="https://www.mesa3d.org/ https://mesa.freedesktop.org/ https://gitlab.freedesktop.org/mesa/demos"
 if [[ ${PV} = 9999* ]]; then
-	inherit autotools git-r3
+	inherit git-r3
 	EGIT_REPO_URI="https://gitlab.freedesktop.org/mesa/demos.git"
-	EGIT_CHECKOUT_DIR="${S}"
-	EXPERIMENTAL="true"
 else
 	SRC_URI="https://mesa.freedesktop.org/archive/demos/${MY_P}.tar.bz2
 		https://mesa.freedesktop.org/archive/demos/${PV}/${MY_P}.tar.bz2"
@@ -21,49 +21,58 @@ else
 fi
 LICENSE="LGPL-2"
 SLOT="0"
-IUSE="egl gles2"
+IUSE="gles2 wayland X"
 
 RDEPEND="
-	media-libs/mesa[egl(+)?,gles2?]
-	virtual/opengl
-	x11-libs/libX11"
+	media-libs/mesa[${MULTILIB_USEDEP},egl(+),gles2?,wayland?,X?]
+	wayland? ( dev-libs/wayland[${MULTILIB_USEDEP}] )
+	X? (
+		x11-libs/libX11[${MULTILIB_USEDEP}]
+		x11-libs/libXext[${MULTILIB_USEDEP}]
+	)
+"
 DEPEND="${RDEPEND}
-	virtual/glu
-	x11-base/xorg-proto"
-BDEPEND="sys-apps/grep
-	sys-apps/file"
+	wayland? ( >=dev-libs/wayland-protocols-1.12 )
+	X? ( x11-base/xorg-proto )
+"
+BDEPEND="
+	virtual/pkgconfig
+	wayland? ( dev-util/wayland-scanner )
+"
 
-src_prepare() {
-	default
-	[[ ${PV} = 9999* ]] && eautoreconf
-}
+PATCHES=(
+	"${FILESDIR}"/8.5.0-Disable-things-we-don-t-want.patch
+)
 
-src_compile() {
-	emake -C src/glad libglad.la
-	emake -C src/xdemos glxgears glxinfo
+pkg_setup() {
+	MULTILIB_CHOST_TOOLS+=(
+		/usr/bin/eglinfo
+	)
 
-	if use egl; then
-		emake LDLIBS="-lEGL" -C src/egl/opengl/ eglinfo
-		emake -C src/egl/eglut/ libeglut_x11.la
-		emake LDLIBS="-lGL -lEGL -lX11 -lm" -C src/egl/opengl/ eglgears_x11
+	use X && MULTILIB_CHOST_TOOLS+=(
+		/usr/bin/glxgears
+		/usr/bin/glxinfo
+	)
 
-		if use gles2; then
-			emake LDLIBS="-lGLESv2 -lEGL -lX11" -C src/egl/opengles2/ es2_info
-			emake LDLIBS="-lGLESv2 -lEGL -lX11 -lm" -C src/egl/opengles2/ es2gears_x11
-		fi
-	fi
-}
+	use gles2 && use X && MULTILIB_CHOST_TOOLS+=(
+		/usr/bin/es2_info
+		/usr/bin/es2gears_x11
+	)
 
-src_install() {
-	local demo='src/xdemos'
-	if use egl; then
-		demo="${demo} src/egl/opengl"
-
-		use gles2 && demo="${demo} src/egl/opengles2"
-	fi
+	use gles2 && use wayland && MULTILIB_CHOST_TOOLS+=(
+		/usr/bin/es2gears_wayland
+	)
+}
 
-	# Ensure only the binaries are installed and not a similarly named wrapper script
-	find ${demo} -type f -print0 |
-		xargs -0 file | grep executable | grep ELF | cut -f 1 -d : |
-		xargs -I '{}' dobin '{}' || die
+multilib_src_configure() {
+	local emesonargs=(
+		-Dlibdrm=disabled
+		-Degl=enabled
+		-Dgles1=disabled
+		$(meson_feature gles2)
+		-Dosmesa=disabled
+		$(meson_feature wayland)
+		$(meson_feature X x11)
+	)
+	meson_src_configure
 }