gallium: new raw gallium interface to support standalone tests

Provides basic window system integration behind a simple interface,
allowing tests to be written without dependency on either the driver
or window system.

With a lot of work, could turn into something like glut for gallium.

1 files changed, 57 insertions, 0 deletions

diff --git a/src/gallium/targets/graw-xlib/SConscript b/src/gallium/targets/graw-xlib/SConscript
new file mode 100644
index 00000000000..24cea92f907
--- /dev/null
+++ b/src/gallium/targets/graw-xlib/SConscript
@@ -0,0 +1,57 @@
+#######################################################################
+# SConscript for xlib winsys
+
+Import('*')
+
+if env['platform'] != 'linux':
+    Return()
+
+if not set(('softpipe', 'llvmpipe', 'cell')).intersection(env['drivers']):
+    print 'warning: no supported pipe driver: skipping build of xlib libGL.so'
+    Return()
+
+env = env.Clone()
+
+env.Prepend(LIBS = [
+    ws_xlib,
+    trace,
+    identity,
+#    gallium,
+])
+
+env.Append(CPPPATH = [
+    '#src/gallium/drivers',
+])
+
+
+sources = [
+    'graw_xlib.c',
+]
+
+if 'softpipe' in env['drivers']:
+    env.Append(CPPDEFINES = 'GALLIUM_SOFTPIPE')
+    env.Prepend(LIBS = [softpipe])
+
+if 'llvmpipe' in env['drivers']:
+    env.Tool('llvm')
+    if 'LLVM_VERSION' in env:
+        env.Append(CPPDEFINES = 'GALLIUM_LLVMPIPE')
+        env.Tool('udis86')
+        env.Prepend(LIBS = [llvmpipe])
+
+# Need this for trace, identity drivers referenced by
+# gallium_wrap_screen().
+#
+env.Prepend(LIBS = [gallium])
+
+# TODO: write a wrapper function http://www.scons.org/wiki/WrapperFunctions
+graw = env.SharedLibrary(
+    target ='graw',
+    source = sources,
+)
+
+env.InstallSharedLibrary(graw, version=(1, 0))
+
+graw = env.FindIxes(graw, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+
+Export('graw')