X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=meson.build;h=160bbfa30ba8b2f7c547469278c28baf9507848e;hb=55d1a77c29e2bf122e56d462aac255739b6f85e2;hp=4aafba802a5e4d842825199a8769560b2b09abe8;hpb=63b95fb291d7978e300c496cedc0851261101332;p=mesa.git

diff --git a/meson.build b/meson.build
index 4aafba802a5..160bbfa30ba 100644
--- a/meson.build
+++ b/meson.build
@@ -50,6 +50,7 @@ with_tests = get_option('build-tests')
 with_valgrind = get_option('valgrind')
 with_libunwind = get_option('libunwind')
 with_asm = get_option('asm')
+with_glx_read_only_text = get_option('glx-read-only-text')
 with_osmesa = get_option('osmesa')
 with_swr_arches = get_option('swr-arches')
 with_tools = get_option('tools')
@@ -93,13 +94,6 @@ endif
 
 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 
-with_dri = false
-with_dri_i915 = false
-with_dri_i965 = false
-with_dri_r100 = false
-with_dri_r200 = false
-with_dri_nouveau = false
-with_dri_swrast = false
 _drivers = get_option('dri-drivers')
 if _drivers.contains('auto')
   if system_has_kms_drm
@@ -107,44 +101,27 @@ if _drivers.contains('auto')
     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
       _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
-      _drivers = ['']
+      _drivers = []
     else
       error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
     endif
   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
     # only swrast would make sense here, but gallium swrast is a much better default
-    _drivers = ['']
+    _drivers = []
   else
     error('Unknown OS. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
   endif
 endif
-if _drivers != ['']
-  with_dri_i915 = _drivers.contains('i915')
-  with_dri_i965 = _drivers.contains('i965')
-  with_dri_r100 = _drivers.contains('r100')
-  with_dri_r200 = _drivers.contains('r200')
-  with_dri_nouveau = _drivers.contains('nouveau')
-  with_dri_swrast = _drivers.contains('swrast')
-  with_dri = true
-endif
-
-with_gallium = false
-with_gallium_pl111 = false
-with_gallium_radeonsi = false
-with_gallium_r300 = false
-with_gallium_r600 = false
-with_gallium_nouveau = false
-with_gallium_freedreno = false
-with_gallium_softpipe = false
-with_gallium_vc4 = false
-with_gallium_v3d = false
-with_gallium_etnaviv = false
-with_gallium_imx = false
-with_gallium_tegra = false
-with_gallium_i915 = false
-with_gallium_svga = false
-with_gallium_virgl = false
-with_gallium_swr = false
+
+with_dri_i915 = _drivers.contains('i915')
+with_dri_i965 = _drivers.contains('i965')
+with_dri_r100 = _drivers.contains('r100')
+with_dri_r200 = _drivers.contains('r200')
+with_dri_nouveau = _drivers.contains('nouveau')
+with_dri_swrast = _drivers.contains('swrast')
+
+with_dri = _drivers.length() != 0 and _drivers != ['']
+
 _drivers = get_option('gallium-drivers')
 if _drivers.contains('auto')
   if system_has_kms_drm
@@ -167,36 +144,33 @@ if _drivers.contains('auto')
     error('Unknown OS. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.')
   endif
 endif
-if _drivers != ['']
-  with_gallium_pl111 = _drivers.contains('pl111')
-  with_gallium_radeonsi = _drivers.contains('radeonsi')
-  with_gallium_r300 = _drivers.contains('r300')
-  with_gallium_r600 = _drivers.contains('r600')
-  with_gallium_nouveau = _drivers.contains('nouveau')
-  with_gallium_freedreno = _drivers.contains('freedreno')
-  with_gallium_softpipe = _drivers.contains('swrast')
-  with_gallium_v3d = _drivers.contains('v3d')
-  with_gallium_vc4 = _drivers.contains('vc4')
-  with_gallium_etnaviv = _drivers.contains('etnaviv')
-  with_gallium_imx = _drivers.contains('imx')
-  with_gallium_tegra = _drivers.contains('tegra')
-  with_gallium_i915 = _drivers.contains('i915')
-  with_gallium_svga = _drivers.contains('svga')
-  with_gallium_virgl = _drivers.contains('virgl')
-  with_gallium_swr = _drivers.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
+with_gallium_pl111 = _drivers.contains('pl111')
+with_gallium_radeonsi = _drivers.contains('radeonsi')
+with_gallium_r300 = _drivers.contains('r300')
+with_gallium_r600 = _drivers.contains('r600')
+with_gallium_nouveau = _drivers.contains('nouveau')
+with_gallium_freedreno = _drivers.contains('freedreno')
+with_gallium_softpipe = _drivers.contains('swrast')
+with_gallium_vc4 = _drivers.contains('vc4')
+with_gallium_v3d = _drivers.contains('v3d')
+with_gallium_etnaviv = _drivers.contains('etnaviv')
+with_gallium_imx = _drivers.contains('imx')
+with_gallium_tegra = _drivers.contains('tegra')
+with_gallium_i915 = _drivers.contains('i915')
+with_gallium_svga = _drivers.contains('svga')
+with_gallium_virgl = _drivers.contains('virgl')
+with_gallium_swr = _drivers.contains('swr')
+
+with_gallium = _drivers.length() != 0 and _drivers != ['']
+
+if with_gallium and 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
 
-with_intel_vk = false
-with_amd_vk = false
-with_any_vk = false
 _vulkan_drivers = get_option('vulkan-drivers')
 if _vulkan_drivers.contains('auto')
   if system_has_kms_drm
@@ -207,16 +181,15 @@ if _vulkan_drivers.contains('auto')
     endif
   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
     # No vulkan driver supports windows or macOS currently
-    _vulkan_drivers = ['']
+    _vulkan_drivers = []
   else
     error('Unknown OS. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.')
   endif
 endif
-if _vulkan_drivers != ['']
-  with_intel_vk = _vulkan_drivers.contains('intel')
-  with_amd_vk = _vulkan_drivers.contains('amd')
-  with_any_vk = true
-endif
+
+with_intel_vk = _vulkan_drivers.contains('intel')
+with_amd_vk = _vulkan_drivers.contains('amd')
+with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 
 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
   error('Only one swrast provider can be built')
@@ -249,12 +222,6 @@ else
   with_dri_platform = 'none'
 endif
 
-with_platform_android = false
-with_platform_wayland = false
-with_platform_x11 = false
-with_platform_drm = false
-with_platform_surfaceless = false
-egl_native_platform = ''
 _platforms = get_option('platforms')
 if _platforms.contains('auto')
   if system_has_kms_drm
@@ -267,13 +234,17 @@ if _platforms.contains('auto')
     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
   endif
 endif
-if _platforms != ['']
-  with_platform_android = _platforms.contains('android')
-  with_platform_x11 = _platforms.contains('x11')
-  with_platform_wayland = _platforms.contains('wayland')
-  with_platform_drm = _platforms.contains('drm')
-  with_platform_haiku = _platforms.contains('haiku')
-  with_platform_surfaceless = _platforms.contains('surfaceless')
+
+with_platform_android = _platforms.contains('android')
+with_platform_x11 = _platforms.contains('x11')
+with_platform_wayland = _platforms.contains('wayland')
+with_platform_drm = _platforms.contains('drm')
+with_platform_haiku = _platforms.contains('haiku')
+with_platform_surfaceless = _platforms.contains('surfaceless')
+
+with_platforms = false
+if _platforms.length() != 0 and _platforms != ['']
+  with_platforms = true
   egl_native_platform = _platforms[0]
 endif
 
@@ -316,13 +287,13 @@ endif
 
 _egl = get_option('egl')
 if _egl == 'auto'
-  with_egl = with_dri and with_shared_glapi and egl_native_platform != ''
+  with_egl = with_dri and with_shared_glapi and with_platforms
 elif _egl == 'true'
   if not with_dri
     error('EGL requires dri')
   elif not with_shared_glapi
     error('EGL requires shared-glapi')
-  elif egl_native_platform == ''
+  elif not with_platforms
     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')
@@ -871,14 +842,27 @@ endif
 # TODO: powr8
 # TODO: shared/static? Is this even worth doing?
 
-# Building x86 assembly code requires running x86 binaries. It is possible for
-# x86_64 OSes to run x86 binaries, so don't disable asm in those cases
-# TODO: it should be possible to use an exe_wrapper to run the binary during
-# the build. 
+# When cross compiling we generally need to turn off the use of assembly,
+# because mesa's assembly relies on building an executable for the host system,
+# and running it to get information about struct sizes. There is at least one
+# case of cross compiling where we can use asm, and that's x86_64 -> x86 when
+# host OS == build OS, since in that case the build machine can run the host's
+# binaries.
 if meson.is_cross_build() 
-  if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
-          and build_machine.system() == host_machine.system())
-    message('Cross compiling to x86 from non-x86, disabling asm')
+  if build_machine.system() != host_machine.system()
+    # TODO: It may be possible to do this with an exe_wrapper (like wine).
+    message('Cross compiling from one OS to another, disabling assembly.')
+    with_asm = false
+  elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
+    # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
+    # x86 -> x86 cross compile. We use startswith rather than == to handle this
+    # case.
+    # TODO: There may be other cases where the 64 bit version of the
+    # architecture can run 32 bit binaries (aarch64 and armv7 for example)
+    message('''
+      Cross compiling to different architectures, and the host cannot run
+      the build machine's binaries. Disabling assembly.
+    ''')
     with_asm = false
   endif
 endif
@@ -891,6 +875,10 @@ if with_asm
       with_asm_arch = 'x86'
       pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
                    '-DUSE_SSE_ASM']
+
+      if with_glx_read_only_text
+         pre_args += ['-DGLX_X86_READONLY_TEXT']
+      endif
     endif
   elif host_machine.cpu_family() == 'x86_64'
     if system_has_kms_drm
@@ -1231,6 +1219,11 @@ if with_platform_wayland
   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
+  if with_egl
+    dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
+    dep_wayland_egl_headers = declare_dependency(
+      compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
+  endif
   wayland_dmabuf_xml = join_paths(
     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'