#global _without_mesa_glvnd_default 1

%{?_without_mesa_glvnd_default:
%if (0%{?mgaver} <= 8)

%{?filter_setup:
%filter_provides_in %{_libdir}/%{name}
%filter_requires_in %{_libdir}/%{name}
%filter_setup
}

%else

%global __provides_exclude_from %{_libdir}/%{name}
%global __requires_exclude_from %{_libdir}/%{name}

%endif
}

%global optflags %{optflags} -O3 -Wstrict-aliasing=0

%define major 0
%define libgldispatch %mklibname gldispatch %{major}
%define libopengl %mklibname opengl %{major}
%define devname %mklibname glvnd -d

%define libEGL_major 1
%define libEGL %mklibname egl %{libEGL_major}
%define libGLdispatch_major 0
%define libGLdispatch %mklibname gldispatch %{libGLdispatch_major}
%define libGLESv1_major 1
%define libGLESv1 %mklibname glesv1_cm %{libGLESv1_major}
%define libGLESv2_major 2
%define libGLESv2 %mklibname glesv2 %{libGLESv2_major}
%define libGL_major 1
%define libGL %mklibname gl %{libGL_major}
%define libGLX_major 0
%define libGLX %mklibname glx %{libGLX_major}
%define libOpenGL_major 0
%define libOpenGL %mklibname opengl %{libOpenGL_major}

%define libGLmesaname	%mklibname mesagl %{libGL_major}
%define libEGLmesaname	%mklibname mesaegl %{libEGL_major}

%global commit0 faa23f21fc677af5792825dc30cb1ccef4bf33a6
%global shortcommit0 %(c=%{commit0}; echo ${c:0:7})

Name:		libglvnd
Version:        1.7.0
Release:	%mkrel 3
Summary:	The GL Vendor-Neutral Dispatch library
License:	MIT
Group:		System/Libraries
URL:            https://gitlab.freedesktop.org/glvnd/libglvnd
Source0:        https://gitlab.freedesktop.org/glvnd/libglvnd/-/archive/v%{version}/%{name}-%{version}.tar.gz
# From https://src.fedoraproject.org/rpms/libglvnd/blob/master/f/0001-glx-Add-another-fallback-library-name.patch
# (remember to provide the soft link in mesa).
Patch1:		0001-glx-Add-another-fallback-library-name.patch

# from git upstream
Patch0100:	0002-EGL-Fix-error-reporting-for-EGL_PLATFORM_DEVICE_EXT.patch
Patch0101:	0003-meson.build-wire-loongarch64_tsd-dispatch-type.patch
Patch0102:	0004-configure.ac-enable-64-bit-file-API-where-availablie.patch
Patch0103:	0005-tests-Add-_GLOBAL_OFFSET_TABLE_-to-PLATFORM_SYMBOLS.patch
Patch0104:	0006-Haiku-guard-calls-to-fRenderer-in-HGL.patch

BuildRequires:	meson
BuildRequires:	python-libxml2
BuildRequires:	pkgconfig(glproto)
BuildRequires:	pkgconfig(x11)
BuildRequires:	pkgconfig(xext)
BuildRequires:	x11-server-xvfb

%description
libglvnd is an implementation of the vendor-neutral dispatch layer for
arbitrating OpenGL API calls between multiple vendors on a per-screen basis.

%files
%doc README.md src/EGL/icd_enumeration.md
%dir %{_sysconfdir}/glvnd
%dir %{_sysconfdir}/glvnd/egl_vendor.d
%dir %{_datadir}/glvnd
%dir %{_datadir}/glvnd/egl_vendor.d
%dir %{_sysconfdir}/egl
%dir %{_sysconfdir}/egl/egl_external_platform.d/
%dir %{_datadir}/egl
%dir %{_datadir}/egl/egl_external_platform.d/

#----------------------------------------------------------------------------

%package -n %{libEGL}
Summary:	LibEGL wrapper from libglvnd
Provides:	%{name}-egl%{?_isa} = %{EVRD}
Provides:	%{name}-egl = %{EVRD}
Requires:	%{name} = %{EVRD}
# this creates a loop, remember to remove the following dep when bootstrapping libglvnd from a non-glvnd mesa
Requires:	%{libEGLmesaname} >= 20.1.4
Conflicts:	%{_lib}mesaegl < 20.3.0-1

%description -n %{libEGL}
LibEGL wrapper from libglvnd.

%files -n %{libEGL}
%if 0%{?_without_mesa_glvnd_default}
%{_libdir}/%name/libEGL.so.%{libEGL_major}{,.*}
%else
%{_libdir}/libEGL.so.%{libEGL_major}{,.*}
%endif

#----------------------------------------------------------------------------

%package -n %{libGLdispatch}
Summary:	LibGL dispatcher from libglvnd
Requires:	%{libGL} = %{EVRD}
Provides:	%{name}-GLdispatch%{?_isa} = %{EVRD}
Requires:	%{name} = %{EVRD}

%description -n %{libGLdispatch}
LibGL dispatcher from libglvnd.

%files -n %{libGLdispatch}
%{_libdir}/libGLdispatch.so.%{libGLdispatch_major}{,.*}

#----------------------------------------------------------------------------

%package -n %{libGLESv1}
Summary:	LibGLESv1 wrapper from libglvnd
Provides:	%{name}-GLESv1_CM%{?_isa} = %{EVRD}
Requires:	%{name} = %{EVRD}
Conflicts:	%{_lib}mesaglesv1_1 < 20.3.0-1

%description -n %{libGLESv1}
LibGLESv1 wrapper from libglvnd.

%files -n %{libGLESv1}
%if 0%{?_without_mesa_glvnd_default}
%{_libdir}/%name/libGLESv1_CM.so.%{libGLESv1_major}{,.*}
%else
%{_libdir}/libGLESv1_CM.so.%{libGLESv1_major}{,.*}
%endif

#----------------------------------------------------------------------------

%package -n %{libGLESv2}
Summary:	LibGLESv2 wrapper from libglvnd
Provides:	%{name}-GLESv2%{?_isa} = %{EVRD}
Requires:	%{name} = %{EVRD}
Conflicts:	%{_lib}mesaglesv2_2 < 20.3.0-1

%description -n %{libGLESv2}
LibGLESv2 wrapper from libglvnd.

%files -n %{libGLESv2}
%if 0%{?_without_mesa_glvnd_default}
%{_libdir}/%name/libGLESv2.so.%{libGLESv2_major}{,.*}
%else
%{_libdir}/libGLESv2.so.%{libGLESv2_major}{,.*}
%endif

#----------------------------------------------------------------------------

%package -n %{libGL}
Summary:	LibGL wrapper from libglvnd
Provides:	%{name}-GL%{?_isa} = %{EVRD}
Requires:	%{name} = %{EVRD}
# this creates a loop, remember to remove the following dep when bootstrapping libglvnd from a non-glvnd mesa
Requires:	%{libGLmesaname} >= 20.1.4
Conflicts:	%{_lib}mesagl1 < 20.3.0-1

%description -n %{libGL}
LibGL wrapper from libglvnd.

%files -n %{libGL}
%if 0%{?_without_mesa_glvnd_default}
%{_libdir}/%name/libGL.so.%{libGL_major}{,.*}
%else
%{_libdir}/libGL.so.%{libGL_major}{,.*}
%endif
#----------------------------------------------------------------------------

%package -n %{libGLX}
Summary:	LibGLX wrapper from libglvnd
Provides:	%{name}-GLX%{?_isa} = %{EVRD}
Requires:	%{name} = %{EVRD}

%description -n %{libGLX}
LibGLX wrapper from libglvnd.

%files -n %{libGLX}
%if 0%{?_without_mesa_glvnd_default}
%{_libdir}/%name/libGLX.so.%{libGLX_major}{,.*}
%else
%{_libdir}/libGLX.so.%{libGLX_major}{,.*}
%endif

#----------------------------------------------------------------------------

%package -n %{libOpenGL}
Summary:	OpenGL wrapper from libglvnd
Provides:	%{name}-OpenGL%{?_isa} = %{EVRD}
Provides:	%{name}-GL = %{EVRD}
Requires:	%{name} = %{EVRD}

%description -n %{libOpenGL}
OpenGL wrapper from libglvnd.

%files -n %{libOpenGL}
%{_libdir}/libOpenGL.so.%{libOpenGL_major}{,.*}

#----------------------------------------------------------------------------

%package -n %{devname}
Summary:	Development files for %{name}
Group:		Development/C
Requires:	%{name} = %{EVRD}
Requires:	%{libEGL} = %{EVRD}
Requires:	%{libGLdispatch} = %{EVRD}
Requires:	%{libGLESv1} = %{EVRD}
Requires:	%{libGLESv2} = %{EVRD}
Requires:	%{libGL} = %{EVRD}
Requires:	%{libGLX} = %{EVRD}
Requires:	%{libOpenGL} = %{EVRD}
# Pull in Mesa for OpenGL headers
Requires:	pkgconfig(gl)
# EGL headers include <X11/xlib.h>
Requires:	pkgconfig(x11)
Provides:	GL-devel
Provides:	EGL-devel
Conflicts:	%{_lib}mesaegl1-devel < 20.3.0-1
Conflicts:	%{_lib}mesagl1-devel < 20.3.0-1

%description -n %{devname}
This package is a bootstrap trick for Mesa, which wants to build against
the libglvnd headers but does not link against any of its libraries (and,
initially, has file conflicts with them).

%files -n %{devname}
%dir %{_includedir}/glvnd
%{_includedir}/glvnd/*.h
%dir %{_includedir}/EGL
%{_includedir}/EGL/*.h
%dir %{_includedir}/GL
%{_includedir}/GL/*.h
%dir %{_includedir}/GLES
%{_includedir}/GLES/*.h
%dir %{_includedir}/GLES2
%{_includedir}/GLES2/*.h
%dir %{_includedir}/GLES3
%{_includedir}/GLES3/*.h
%dir %{_includedir}/KHR
%{_includedir}/KHR/*.h
%{_libdir}/pkgconfig/*.pc
%if 0%{?_without_mesa_glvnd_default}
%{_libdir}/%name/libEGL.so
%{_libdir}/libGLdispatch.so
%{_libdir}/%name/libGLX.so
%{_libdir}/%name/libGL.so
%{_libdir}/%name/libGLESv1_CM.so
%{_libdir}/%name/libGLESv2.so
%{_libdir}/libOpenGL.so
%else
%{_libdir}/libEGL.so
%{_libdir}/libGLdispatch.so
%{_libdir}/libGLX.so
%{_libdir}/libGL.so
%{_libdir}/libGLESv1_CM.so
%{_libdir}/libGLESv2.so
%{_libdir}/libOpenGL.so
%endif
#----------------------------------------------------------------------------

%prep
%autosetup -p1 -n %{name}-v%{version}-%{?commit0}%{?!commit0:%nil}

%build
%meson \
%ifnarch riscv
	-Dasm=enabled \
%else
	-Dasm=disabled \
%endif
	-Dx11=enabled \
	-Dglx=enabled \
	-Dtls=true

%meson_build

%install
%meson_install

%{?_without_mesa_glvnd_default:
# Avoid conflict with mesa-libGL
mkdir -p %{buildroot}%{_libdir}/%{name}/
for l in libEGL libGL libGLESv1_CM libGLESv2 libGLX; do
  mv %{buildroot}%{_libdir}/${l}.so* \
    %{buildroot}%{_libdir}/%{name}/
done
}

# Create directory layout
mkdir -p %{buildroot}%{_sysconfdir}/glvnd/egl_vendor.d
mkdir -p %{buildroot}%{_datadir}/glvnd/egl_vendor.d
mkdir -p %{buildroot}%{_sysconfdir}/egl/egl_external_platform.d
mkdir -p %{buildroot}%{_datadir}/egl/egl_external_platform.d

%check
export DO_X11_TESTS=1
# Sometimes the xvfb-run fails to start correctly on the building system, and
# thus the test fails. If that occurs just resubmit the package.
xvfb-run -a ninja test -j 1 -C %{_vpath_builddir}