[Mesa-dev] [PATCH] glx: Refactor the configure options for glx implementation choice
Brian Paul
brianp at vmware.com
Fri Apr 15 16:50:12 UTC 2016
On 04/15/2016 10:18 AM, Chuck Atkins wrote:
> The problem this is trying to solve is that they both get installed and
> create an ambiguous situation for which one get's used:
>
> libGL.so -> libGL.so.1.5.0
> libGL.so.1 -> libGL.so.1.6.0
> libGL.so.1.5.0
> libGL.so.1.6.0
>
> I could adjust it so that you can build both versions and if more than
> one is specified then generate a configure-time warning and leave them
> out of the install target but it seems to me that things should be
> getting built if they can't be safely installed.
No, let's not get too crazy here. The new approach is fine.
I'm no expert on the autoconf stuff so,
Acked-by: Brian Paul <brianp at vmware.com>
>
> - Chuck
>
> On Fri, Apr 15, 2016 at 12:08 PM, Brian Paul <brianp at vmware.com
> <mailto:brianp at vmware.com>> wrote:
>
> On 04/15/2016 09:36 AM, Chuck Atkins wrote:
>
> Instead of cascading support for various different
> implementations of
> GLX, all three options are now specified through the --enable-glx
> option:
>
> --enable-glx=dri : Enable the DRI-based GLX
> --enable-glx=xlib : Enable the classic Xlib-based GLX
> --enable-glx=gallium-xlib : Enable the gallium Xlib-based GLX
> --enable-glx[=yes] : Defaults to dri if DRI is
> enabled, else
> gallium-xlib if gallium is
> enabled, else
> xlib
>
> This removes the --enable-xlib-glx option and fixes a bug in
> which both
> the classic xlib-glx and gallium xlib-glx implementations were
> getting
> built causing differnt versioned and conflicting libGL libraries
> to be
> installed.
>
>
> So we'll no longer be able to build both the "xlib" and
> "gallium-xlib" at the same time, right? I sometimes switch between
> the old swrast and gallium libs with LD_LIBRARY_PATH to compare
> things. But I guess I can live without that since I don't do that
> as much as I used to.
>
> -Brian
>
>
>
> ---
> configure.ac
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__configure.ac&d=BQMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=T0t4QG7chq2ZwJo6wilkFznRSFy-8uDKartPGbomVj8&m=H9WyqeKR0cxyNZp_Th4bYrSTBOjhUIgVYXAah53BVQE&s=Ic44DtXEBxzWJTICqwuDGg2ajpIlEzCz0QNY8d_hZ9Y&e=>
> | 108 +++++++++++++++++++++++++-----------------------
> src/gallium/Makefile.am | 2 +-
> src/mesa/Makefile.am | 2 +-
> 3 files changed, 59 insertions(+), 53 deletions(-)
>
> diff --git a/configure.ac
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__configure.ac&d=BQMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=T0t4QG7chq2ZwJo6wilkFznRSFy-8uDKartPGbomVj8&m=H9WyqeKR0cxyNZp_Th4bYrSTBOjhUIgVYXAah53BVQE&s=Ic44DtXEBxzWJTICqwuDGg2ajpIlEzCz0QNY8d_hZ9Y&e=>
> b/configure.ac
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__configure.ac&d=BQMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=T0t4QG7chq2ZwJo6wilkFznRSFy-8uDKartPGbomVj8&m=H9WyqeKR0cxyNZp_Th4bYrSTBOjhUIgVYXAah53BVQE&s=Ic44DtXEBxzWJTICqwuDGg2ajpIlEzCz0QNY8d_hZ9Y&e=>
> index 8c82c43..090b7af 100644
> --- a/configure.ac
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__configure.ac&d=BQMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=T0t4QG7chq2ZwJo6wilkFznRSFy-8uDKartPGbomVj8&m=H9WyqeKR0cxyNZp_Th4bYrSTBOjhUIgVYXAah53BVQE&s=Ic44DtXEBxzWJTICqwuDGg2ajpIlEzCz0QNY8d_hZ9Y&e=>
> +++ b/configure.ac
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__configure.ac&d=BQMFaQ&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=T0t4QG7chq2ZwJo6wilkFznRSFy-8uDKartPGbomVj8&m=H9WyqeKR0cxyNZp_Th4bYrSTBOjhUIgVYXAah53BVQE&s=Ic44DtXEBxzWJTICqwuDGg2ajpIlEzCz0QNY8d_hZ9Y&e=>
> @@ -858,8 +858,8 @@ AC_ARG_ENABLE([dri3],
> [enable_dri3="$enableval"],
> [enable_dri3="$dri3_default"])
> AC_ARG_ENABLE([glx],
> - [AS_HELP_STRING([--enable-glx],
> - [enable GLX library @<:@default=enabled@:>@])],
> + [AS_HELP_STRING([--enable-glx[=dri|xlib|gallium-xlib]],
> + [enable the GLX library and choose an implementation
> @<:@default=dri@:>@])],
> [enable_glx="$enableval"],
> [enable_glx=yes])
> AC_ARG_ENABLE([osmesa],
> @@ -925,11 +925,6 @@ AC_ARG_ENABLE([opencl_icd],
> @<:@default=disabled@:>@])],
> [enable_opencl_icd="$enableval"],
> [enable_opencl_icd=no])
> -AC_ARG_ENABLE([xlib-glx],
> - [AS_HELP_STRING([--enable-xlib-glx],
> - [make GLX library Xlib-based instead of DRI-based
> @<:@default=disabled@:>@])],
> - [enable_xlib_glx="$enableval"],
> - [enable_xlib_glx=no])
>
> AC_ARG_ENABLE([gallium-tests],
> [AS_HELP_STRING([--enable-gallium-tests],
> @@ -988,35 +983,47 @@ AM_CONDITIONAL(NEED_OPENGL_COMMON, test
> "x$enable_opengl" = xyes -o \
> "x$enable_gles1" =
> xyes -o \
> "x$enable_gles2" = xyes)
>
> -if test "x$enable_glx" = xno; then
> - AC_MSG_WARN([GLX disabled, disabling Xlib-GLX])
> - enable_xlib_glx=no
> -fi
> -
> -if test "x$enable_dri$enable_xlib_glx" = xyesyes; then
> - AC_MSG_ERROR([DRI and Xlib-GLX cannot be built together])
> -fi
> -
> -if test "x$enable_opengl$enable_xlib_glx" = xnoyes; then
> - AC_MSG_ERROR([Xlib-GLX cannot be built without OpenGL])
> -fi
> -
> -# Disable GLX if OpenGL is not enabled
> -if test "x$enable_glx$enable_opengl" = xyesno; then
> - AC_MSG_WARN([OpenGL not enabled, disabling GLX])
> - enable_glx=no
> +# Validate GLX options
> +if test "x$enable_glx" = xyes; then
> + if test "x$enable_dri" = xyes; then
> + enable_glx=dri
> + elif test -n "$with_gallium_drivers"; then
> + enable_glx=gallium-xlib
> + else
> + enable_glx=xlib
> + fi
> fi
> +case "x$enable_glx" in
> +xdri | xxlib | xgallium-xlib)
> + # GLX requires OpenGL
> + if test "x$enable_opengl" = xno; then
> + AC_MSG_ERROR([GLX cannot be built without OpenGL])
> + fi
>
> -# Disable GLX if DRI and Xlib-GLX are not enabled
> -if test "x$enable_glx" = xyes -a \
> - "x$enable_dri" = xno -a \
> - "x$enable_xlib_glx" = xno; then
> - AC_MSG_WARN([Neither DRI nor Xlib-GLX enabled, disabling GLX])
> - enable_glx=no
> -fi
> + # Check individual dependencies
> + case "x$enable_glx" in
> + xdri)
> + if test "x$enable_dri" = xno; then
> + AC_MSG_ERROR([DRI-based GLX requires DRI to be
> enabled])
> + fi
> + ;;
> + xxlib | xgallium-xlib )
> + if test "x$enable_dri" = xyes; then
> + AC_MSG_ERROR([Xlib-based GLX cannot be built with
> DRI enabled])
> + fi
> + ;;
> + esac
> + ;;
> +xno)
> + ;;
> +*)
> + AC_MSG_ERROR([Illegal value for --enable-dri: $enable_dri])
> + ;;
> +esac
>
> -AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xyes -a \
> - "x$enable_dri" = xyes)
> +AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xdri)
> +AM_CONDITIONAL(HAVE_XLIB_GLX, test "x$enable_glx" = xxlib)
> +AM_CONDITIONAL(HAVE_GALLIUM_XLIB_GLX, test "x$enable_glx" =
> xgallium-xlib)
>
> # Check for libdrm
> PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
> @@ -1072,10 +1079,6 @@ dnl
> dnl Driver specific build directories
> dnl
>
> -if test -n "$with_gallium_drivers" -a
> "x$enable_glx$enable_xlib_glx"
> = xyesyes; then
> - NEED_WINSYS_XLIB="yes"
> -fi
> -
> if test "x$enable_gallium_osmesa" = xyes; then
> if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
> AC_MSG_ERROR([gallium_osmesa requires the gallium
> swrast driver])
> @@ -1268,8 +1271,8 @@ AC_ARG_ENABLE([driglx-direct],
> dnl
> dnl libGL configuration per driver
> dnl
> -case "x$enable_glx$enable_xlib_glx" in
> -xyesyes)
> +case "x$enable_glx" in
> +xxlib | xgallium-xlib)
> # Xlib-based GLX
> dri_modules="x11 xext xcb"
> PKG_CHECK_MODULES([XLIBGL], [$dri_modules])
> @@ -1279,7 +1282,7 @@ xyesyes)
> GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm $PTHREAD_LIBS
> $DLOPEN_LIBS"
> GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm
> $PTHREAD_LIBS"
> ;;
> -xyesno)
> +xdri)
> # DRI-based GLX
> PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
>
> @@ -1368,11 +1371,11 @@ AC_SUBST([HAVE_XF86VIDMODE])
> dnl
> dnl More GLX setup
> dnl
> -case "x$enable_glx$enable_xlib_glx" in
> -xyesyes)
> +case "x$enable_glx" in
> +xxlib | xgallium-xlib)
> DEFINES="$DEFINES -DUSE_XSHM"
> ;;
> -xyesno)
> +xdri)
> DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
> if test "x$driglx_direct" = xyes; then
> DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
> @@ -1546,7 +1549,8 @@ if test -n "$with_dri_drivers"; then
> fi
>
> AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
> -AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_xlib_glx" = xyes -o \
> +AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_glx" = xxlib -o \
> + "x$enable_glx" =
> xgallium-xlib -o \
> "x$enable_osmesa" = xyes -o \
> -n "$DRI_DIRS")
>
> @@ -1561,7 +1565,7 @@ AC_ARG_WITH([osmesa-bits],
> [osmesa_bits="$withval"],
> [osmesa_bits=8])
> if test "x$osmesa_bits" != x8; then
> - if test "x$enable_dri" = xyes -o "x$enable_glx" = xyes; then
> + if test "x$enable_dri" = xyes -o "x$enable_glx" != xno; then
> AC_MSG_WARN([Ignoring OSMesa channel bits because of
> non-OSMesa driver])
> osmesa_bits=8
> fi
> @@ -2402,7 +2406,7 @@ AM_CONDITIONAL(HAVE_SWRAST_DRI, test
> x$HAVE_SWRAST_DRI = xyes)
> AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test
> "x$HAVE_GALLIUM_R300" = xyes -o \
>
> "x$HAVE_GALLIUM_R600" = xyes -o \
>
> "x$HAVE_GALLIUM_RADEONSI" = xyes)
> -AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$NEED_WINSYS_XLIB" = xyes)
> +AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$enable_glx" =
> xgallium-xlib)
> AM_CONDITIONAL(NEED_RADEON_LLVM, test x$NEED_RADEON_LLVM = xyes)
> AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
> AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
> @@ -2412,7 +2416,6 @@ if test "x$USE_VC4_SIMULATOR" = xyes -a
> "x$HAVE_GALLIUM_ILO" = xyes; then
> fi
>
> AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
> -AM_CONDITIONAL(HAVE_X11_DRIVER, test "x$enable_xlib_glx" = xyes)
> AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
> AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test
> "x$enable_gallium_osmesa" = xyes)
>
> @@ -2602,12 +2605,15 @@ if test "x$enable_dri" != xno; then
> echo " DRI driver dir: $DRI_DRIVER_INSTALL_DIR"
> fi
>
> -case "x$enable_glx$enable_xlib_glx" in
> -xyesyes)
> +case "x$enable_glx" in
> +xdri)
> + echo " GLX: DRI-based"
> + ;;
> +xxlib)
> echo " GLX: Xlib-based"
> ;;
> -xyesno)
> - echo " GLX: DRI-based"
> +xgallium-xlib)
> + echo " GLX: Xlib-based (Gallium)"
> ;;
> *)
> echo " GLX: $enable_glx"
> diff --git a/src/gallium/Makefile.am b/src/gallium/Makefile.am
> index ef2bc10..34671ca 100644
> --- a/src/gallium/Makefile.am
> +++ b/src/gallium/Makefile.am
> @@ -138,7 +138,7 @@ if HAVE_DRICOMMON
> SUBDIRS += state_trackers/dri targets/dri
> endif
>
> -if HAVE_X11_DRIVER
> +if HAVE_GALLIUM_XLIB_GLX
> SUBDIRS += state_trackers/glx/xlib targets/libgl-xlib
> endif
>
> diff --git a/src/mesa/Makefile.am b/src/mesa/Makefile.am
> index 3903818..2c77fa8 100644
> --- a/src/mesa/Makefile.am
> +++ b/src/mesa/Makefile.am
> @@ -21,7 +21,7 @@
>
> SUBDIRS = . main/tests
>
> -if HAVE_X11_DRIVER
> +if HAVE_XLIB_GLX
> SUBDIRS += drivers/x11
> endif
>
>
>
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