[Mesa-dev] [PATCH 8/9] meson: build classic osmesa
Dylan Baker
dylan at pnwbakers.com
Wed Oct 25 22:58:22 UTC 2017
From: Dylan Baker <baker.dylan.c at gmail.com>
This builds the classic (non-gallium) osmesa with meson. This has been
tested with the osdemo application from mesa-demos.
Signed-off-by: Dylan Baker <dylanx.c.baker at intel.com>
---
include/meson.build | 2 +-
meson.build | 26 ++++++++++++++------
meson_options.txt | 14 +++++++++++
src/mapi/glapi/meson.build | 2 +-
src/mesa/drivers/osmesa/meson.build | 48 +++++++++++++++++++++++++++++++++++++
src/mesa/meson.build | 3 +++
src/meson.build | 1 -
7 files changed, 86 insertions(+), 10 deletions(-)
create mode 100644 src/mesa/drivers/osmesa/meson.build
diff --git a/include/meson.build b/include/meson.build
index 88e66a1a8f4..b5f533bd185 100644
--- a/include/meson.build
+++ b/include/meson.build
@@ -55,7 +55,7 @@ if with_glx != 'disabled'
install_headers('GL/glx.h', 'GL/glext.h', 'GL/glx_mangle.h', subdir : 'GL')
endif
-if with_osmesa
+if with_osmesa != 'none'
install_headers('GL/osmesa.h', subdir : 'GL')
endif
diff --git a/meson.build b/meson.build
index 5b31194b0df..79ce59c6b27 100644
--- a/meson.build
+++ b/meson.build
@@ -46,6 +46,8 @@ with_valgrind = get_option('valgrind')
with_libunwind = get_option('libunwind')
with_asm = get_option('asm')
with_llvm = get_option('llvm')
+with_osmesa = get_option('osmesa')
+with_glx_direct = true
if get_option('texture-float')
pre_args += '-DTEXTURE_FLOAT_ENABLED'
message('WARNING: Floating-point texture enabled. Please consult docs/patents.txt and your lawyer before building mesa.')
@@ -67,9 +69,6 @@ with_any_opengl = with_opengl or with_gles1 or with_gles2
# Only build shared_glapi if at least one OpenGL API is enabled
with_shared_glapi = get_option('shared-glapi') and with_any_opengl
-# TODO: these will need options, but at the moment they just control header
-# installs
-with_osmesa = false
# shared-glapi is required if at least two OpenGL APIs are being built
if not with_shared_glapi
@@ -230,9 +229,6 @@ if with_glvnd and with_glx != 'dri'
message('glvnd requires dri based glx')
endif
-# TODO: toggle for this
-with_glx_direct = true
-
if with_vulkan_icd_dir == ''
with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
endif
@@ -704,7 +700,22 @@ endif
# TODO: glx provider
-# TODO: osmesa provider
+if with_osmesa != 'none'
+ if with_osmesa == 'classic' and not with_dri_swrast
+ error('OSMesa classic requires dri (classic) swrast.')
+ endif
+ osmesa_lib_name = 'OSMesa'
+ osmesa_bits = get_option('osmesa-bits')
+ if osmesa_bits != '8'
+ if with_dri or with_glx != 'disabled'
+ error('OSMesa bits must be 8 if building glx or dir based drivers')
+ endif
+ osmesa_lib_name = osmesa_lib_name + osmesa_bits
+ pre_args += [
+ '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
+ ]
+ endif
+endif
# TODO: symbol mangling
@@ -731,6 +742,7 @@ dep_xext = []
dep_xdamage = []
dep_xfixes = []
dep_x11_xcb = []
+dep_xcb = []
dep_xcb_glx = []
dep_xcb_dri2 = []
dep_xcb_dri3 = []
diff --git a/meson_options.txt b/meson_options.txt
index b44c93df001..97aca571a48 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -160,3 +160,17 @@ option(
value : false,
description : 'Enable floating point textures and renderbuffers. This option may be patent encumbered, please read docs/patents.txt and consult with your lawyer before turning this on.'
)
+option(
+ 'osmesa',
+ type : 'combo',
+ value : 'none',
+ choices : ['none', 'classic'],
+ description : 'Build OSmesa.'
+)
+option(
+ 'osmesa-bits',
+ type : 'combo',
+ value : '8',
+ choices : ['8', '16', '32'],
+ description : 'Number of channel bits for OSMesa.'
+)
diff --git a/src/mapi/glapi/meson.build b/src/mapi/glapi/meson.build
index 74f84d289ba..d2d86afd6c1 100644
--- a/src/mapi/glapi/meson.build
+++ b/src/mapi/glapi/meson.build
@@ -69,7 +69,7 @@ endif
libglapi_static = static_library(
'glapi_static',
static_glapi_files,
- include_directories : [inc_mesa, inc_include, inc_src],
+ include_directories : [inc_mesa, inc_include, inc_src, inc_mapi],
c_args : [c_msvc_compat_args, static_glapi_args],
dependencies : [dep_thread, dep_selinux],
build_by_default : false,
diff --git a/src/mesa/drivers/osmesa/meson.build b/src/mesa/drivers/osmesa/meson.build
new file mode 100644
index 00000000000..14c61a85d60
--- /dev/null
+++ b/src/mesa/drivers/osmesa/meson.build
@@ -0,0 +1,48 @@
+# Copyright © 2017 Dylan Baker
+
+# 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.
+
+osmesa_link_with = []
+
+if with_shared_glapi
+ osmesa_link_with += libglapi
+endif
+
+libosmesa = shared_library(
+ osmesa_lib_name,
+ ['osmesa.c', glapitable_h, glapitemp_h],
+ c_args : c_vis_args,
+ cpp_args : cpp_vis_args,
+ link_args : ld_args_gc_sections,
+ include_directories : [
+ inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux,
+ ],
+ link_with : [libmesa_classic, libglapi_static, osmesa_link_with],
+ dependencies : [dep_thread],
+ version : '8.0.0',
+ install : true,
+)
+
+pkg.generate(
+ name : 'osmesa',
+ description : 'Mesa Off-screen Rendering Library',
+ version : '8',
+ libraries : libosmesa,
+ libraries_private : gl_priv_libs,
+)
diff --git a/src/mesa/meson.build b/src/mesa/meson.build
index 846a40da822..20d06aad4dd 100644
--- a/src/mesa/meson.build
+++ b/src/mesa/meson.build
@@ -718,6 +718,9 @@ libmesa_gallium = static_library(
)
subdir('drivers/dri')
+if with_osmesa == 'classic'
+ subdir('drivers/osmesa')
+endif
if with_tests
subdir('main/tests')
endif
diff --git a/src/meson.build b/src/meson.build
index c32b666c8bc..b88db7fa40c 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -46,7 +46,6 @@ subdir('util')
subdir('mapi/glapi/gen')
subdir('mapi')
# TODO: opengl
-# TODO: osmesa
subdir('compiler')
subdir('egl/wayland/wayland-drm')
subdir('vulkan')
--
2.14.2
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