meson: build softpipe

This doesn't include llvmpipe.

v2: - Fix inconsistent use of with_gallium_swrast and
      with_gallium_softpipe.

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

meson.build

@@ -99,6 +99,7 @@ if _drivers != ''
   _split = _drivers.split(',')
   with_gallium_radeonsi = _split.contains('radeonsi')
   with_gallium_nouveau = _split.contains('nouveau')
+  with_gallium_softpipe = _split.contains('swrast')
   with_gallium = true
   with_dri = true
 endif
@@ -111,6 +112,10 @@ if not (with_dri or with_gallium)
   with_shared_glapi = false
 endif
 
+if with_dri_swrast and with_gallium_softpipe
+  error('Only one swrast provider can be built')
+endif
+
 dep_libdrm_intel = []
 if with_dri_i915
   dep_libdrm_intel = dependency('libdrm_intel', version : '>= 2.4.75')

meson_options.txt

@@ -22,11 +22,11 @@ option('platforms', type : 'string', value : 'x11,wayland,drm',
        description : 'comma separated list of window systems to support. wayland, x11, surfaceless, drm, etc.')
 option('dri3', type : 'combo', value : 'auto', choices : ['auto', 'yes', 'no'],
        description : 'enable support for dri3')
-option('dri-drivers', type : 'string', value : 'swrast,i915,i965',
+option('dri-drivers', type : 'string', value : 'i915,i965',
        description : 'comma separated list of dri drivers to build.')
 option('dri-drivers-path', type : 'string', value : '',
        description : 'Location of dri drivers. Default: $libdir/dri.')
-option('gallium-drivers', type : 'string', value : 'radeonsi,nouveau',
+option('gallium-drivers', type : 'string', value : 'radeonsi,nouveau,swrast',
        description : 'comma separated list of gallium drivers to build.')
 option('gallium-media', type : 'string', value : '',
        description : 'comma separated list of gallium media APIs to build (omx,va,vdpau,xvmc).')

src/gallium/drivers/softpipe/meson.build

@@ -0,0 +1,85 @@
+# 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_softpipe = files(
+  'sp_buffer.c',
+  'sp_buffer.h',
+  'sp_clear.c',
+  'sp_clear.h',
+  'sp_context.c',
+  'sp_context.h',
+  'sp_compute.c',
+  'sp_draw_arrays.c',
+  'sp_fence.c',
+  'sp_fence.h',
+  'sp_flush.c',
+  'sp_flush.h',
+  'sp_fs_exec.c',
+  'sp_fs.h',
+  'sp_image.c',
+  'sp_image.h',
+  'sp_limits.h',
+  'sp_prim_vbuf.c',
+  'sp_prim_vbuf.h',
+  'sp_public.h',
+  'sp_quad_blend.c',
+  'sp_quad_depth_test.c',
+  'sp_quad_depth_test_tmp.h',
+  'sp_quad_fs.c',
+  'sp_quad.h',
+  'sp_quad_pipe.c',
+  'sp_quad_pipe.h',
+  'sp_quad_stipple.c',
+  'sp_query.c',
+  'sp_query.h',
+  'sp_screen.c',
+  'sp_screen.h',
+  'sp_setup.c',
+  'sp_setup.h',
+  'sp_state_blend.c',
+  'sp_state_clip.c',
+  'sp_state_derived.c',
+  'sp_state_image.c',
+  'sp_state.h',
+  'sp_state_rasterizer.c',
+  'sp_state_sampler.c',
+  'sp_state_shader.c',
+  'sp_state_so.c',
+  'sp_state_surface.c',
+  'sp_state_vertex.c',
+  'sp_surface.c',
+  'sp_surface.h',
+  'sp_tex_sample.c',
+  'sp_tex_sample.h',
+  'sp_tex_tile_cache.c',
+  'sp_tex_tile_cache.h',
+  'sp_texture.c',
+  'sp_texture.h',
+  'sp_tile_cache.c',
+  'sp_tile_cache.h',
+)
+
+libsoftpipe = static_library(
+  'softpipe',
+  files_softpipe,
+  include_directories : [inc_gallium_aux, inc_gallium, inc_include, inc_src],
+  c_args : [c_vis_args, c_msvc_compat_args],
+  build_by_default : false,
+)

src/gallium/meson.build

@@ -31,6 +31,7 @@ subdir('drivers/rbug')
 subdir('drivers/radeon')
 subdir('drivers/radeonsi')
 subdir('drivers/nouveau')
+subdir('drivers/softpipe')
 subdir('winsys/sw/null')
 subdir('winsys/sw/dri')
 subdir('winsys/sw/kms-dri')
@@ -47,7 +48,6 @@ subdir('state_trackers/dri')
 # TODO: etnaviv
 # TODO: IMX
 # TODO: PL111
-# TODO: softpipe
 # TODO: llvmpipe
 # TODO: SWR
 # TODO: vc4

src/gallium/targets/dri/meson.build

@@ -64,6 +64,14 @@ if with_gallium_nouveau
   gallium_dri_link_with += [libnouveauwinsys, libnouveau]
   gallium_dri_drivers += 'nouveau_dri.so'
 endif
+if with_gallium_softpipe
+  gallium_dri_c_args += '-DGALLIUM_SOFTPIPE'
+  gallium_dri_link_with += libsoftpipe
+  gallium_dri_drivers += 'swrast_dri.so'
+  if with_gallium_drisw_kms
+    gallium_dri_drivers += 'kms_swrast_dri.so'
+  endif
+endif
 
 libgallium_dri = shared_library(
   'gallium_dri',