meson: build llvmpipe

Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

meson.build

@@ -589,7 +589,9 @@ if with_llvm
       '-DMESA_LLVM_VERSION_PATCH=@0@'.format(_llvm_patch),
     ]
   else
-    if with_amd_vk or with_gallium_radeonsi
+    if with_gallium_softpipe
+      error('Cannot find LLVM to build LLVMPipe. If you wanted softpipe pass -Dllvm=false to meson')
+    elif with_amd_vk or with_gallium_radeonsi # etc
       error('The following drivers requires LLVM: Radv, RadeonSI. One of these is enabled, but LLVM was not found.')
     endif
   endif

src/gallium/drivers/llvmpipe/meson.build

@@ -0,0 +1,116 @@
+# Copyright © 2017 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
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+files_llvmpipe = files(
+  'lp_bld_alpha.c',
+  'lp_bld_alpha.h',
+  'lp_bld_blend_aos.c',
+  'lp_bld_blend.c',
+  'lp_bld_blend.h',
+  'lp_bld_blend_logicop.c',
+  'lp_bld_depth.c',
+  'lp_bld_depth.h',
+  'lp_bld_interp.c',
+  'lp_bld_interp.h',
+  'lp_clear.c',
+  'lp_clear.h',
+  'lp_context.c',
+  'lp_context.h',
+  'lp_debug.h',
+  'lp_draw_arrays.c',
+  'lp_fence.c',
+  'lp_fence.h',
+  'lp_flush.c',
+  'lp_flush.h',
+  'lp_jit.c',
+  'lp_jit.h',
+  'lp_limits.h',
+  'lp_memory.c',
+  'lp_memory.h',
+  'lp_perf.c',
+  'lp_perf.h',
+  'lp_public.h',
+  'lp_query.c',
+  'lp_query.h',
+  'lp_rast.c',
+  'lp_rast_debug.c',
+  'lp_rast.h',
+  'lp_rast_priv.h',
+  'lp_rast_tri.c',
+  'lp_rast_tri_tmp.h',
+  'lp_scene.c',
+  'lp_scene.h',
+  'lp_scene_queue.c',
+  'lp_scene_queue.h',
+  'lp_screen.c',
+  'lp_screen.h',
+  'lp_setup.c',
+  'lp_setup_context.h',
+  'lp_setup.h',
+  'lp_setup_line.c',
+  'lp_setup_point.c',
+  'lp_setup_tri.c',
+  'lp_setup_vbuf.c',
+  'lp_state_blend.c',
+  'lp_state_clip.c',
+  'lp_state_derived.c',
+  'lp_state_fs.c',
+  'lp_state_fs.h',
+  'lp_state_gs.c',
+  'lp_state.h',
+  'lp_state_rasterizer.c',
+  'lp_state_sampler.c',
+  'lp_state_setup.c',
+  'lp_state_setup.h',
+  'lp_state_so.c',
+  'lp_state_surface.c',
+  'lp_state_vertex.c',
+  'lp_state_vs.c',
+  'lp_surface.c',
+  'lp_surface.h',
+  'lp_tex_sample.c',
+  'lp_tex_sample.h',
+  'lp_texture.c',
+  'lp_texture.h',
+)
+
+libllvmpipe = static_library(
+  'llvmpipe',
+  files_llvmpipe,
+  c_args : [c_vis_args, c_msvc_compat_args],
+  cpp_args : [cpp_vis_args, cpp_msvc_compat_args],
+  include_directories : [inc_gallium, inc_gallium_aux, inc_include, inc_src],
+  dependencies : dep_llvm,
+  build_by_default : false,
+)
+
+if with_tests and with_gallium_softpipe and with_llvm
+  foreach t : ['lp_test_format', 'lp_test_arit', 'lp_test_blend',
+               'lp_test_conv', 'lp_test_printf']
+    test(t, executable(
+        t,
+        ['@0@.c'.format(t), 'lp_test_main.c'],
+        dependencies : [dep_llvm, dep_dl, dep_thread, dep_clock],
+        include_directories : [inc_gallium, inc_gallium_aux, inc_include, inc_src],
+        link_with : [libllvmpipe, libgallium, libmesa_util],
+      )
+    )
+  endforeach
+endif

src/gallium/meson.build

@@ -32,6 +32,7 @@ subdir('drivers/radeon')
 subdir('drivers/radeonsi')
 subdir('drivers/nouveau')
 subdir('drivers/softpipe')
+subdir('drivers/llvmpipe')
 subdir('winsys/sw/null')
 subdir('winsys/sw/dri')
 subdir('winsys/sw/kms-dri')
@@ -48,7 +49,6 @@ subdir('state_trackers/dri')
 # TODO: etnaviv
 # TODO: IMX
 # TODO: PL111
-# TODO: llvmpipe
 # TODO: SWR
 # TODO: vc4
 # TODO: virgl

src/gallium/targets/dri/meson.build

@@ -71,6 +71,10 @@ if with_gallium_softpipe
   if with_gallium_drisw_kms
     gallium_dri_drivers += 'kms_swrast_dri.so'
   endif
+  if with_llvm
+    gallium_dri_c_args += '-DGALLIUM_LLVMPIPE'
+    gallium_dri_link_with += libllvmpipe
+  endif
 endif
 
 libgallium_dri = shared_library(