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authorJosé Fonseca <jfonseca@vmware.com>2010-05-06 14:20:13 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-05-06 14:20:13 +0100
commitd5e741d6d8ebffefa2851677643c6a1aeeb1d431 (patch)
tree2caf239efe7c87a36bf6e2b188ec2fffb2038574 /src/gallium/targets
parent2b322ad147a42ac0bf0f51bffab99e4d5650132d (diff)
graw-null: New target to ensure we always have a graw implementation available.
Diffstat (limited to 'src/gallium/targets')
-rw-r--r--src/gallium/targets/SConscript5
-rw-r--r--src/gallium/targets/graw-null/SConscript53
-rw-r--r--src/gallium/targets/graw-null/graw_null.c83
3 files changed, 140 insertions, 1 deletions
diff --git a/src/gallium/targets/SConscript b/src/gallium/targets/SConscript
index 1292d4f619..be5db88e41 100644
--- a/src/gallium/targets/SConscript
+++ b/src/gallium/targets/SConscript
@@ -10,10 +10,13 @@ if 'gdi' in env['winsys']:
'libgl-gdi/SConscript',
])
-if 'graw-xlib' in env['winsys']:
+if env['platform'] == 'linux' and 'xlib' in env['winsys'] and 'graw-xlib' in env['winsys']:
SConscript([
'graw-xlib/SConscript',
])
+else:
+ SConscript('graw-null/SConscript')
+
if env['dri']:
SConscript([
diff --git a/src/gallium/targets/graw-null/SConscript b/src/gallium/targets/graw-null/SConscript
new file mode 100644
index 0000000000..99b6f5f425
--- /dev/null
+++ b/src/gallium/targets/graw-null/SConscript
@@ -0,0 +1,53 @@
+#######################################################################
+# SConscript for xlib winsys
+
+Import('*')
+
+env = env.Clone()
+
+env.Prepend(LIBS = [
+ ws_null,
+ trace,
+ identity,
+# gallium,
+])
+
+env.Append(CPPPATH = [
+ '#src/gallium/drivers',
+])
+
+if env['platform'] == 'windows':
+ # For trace
+ env.Append(LIBS = [
+ 'ws2_32',
+ ])
+
+sources = [
+ 'graw_null.c',
+]
+
+if True:
+ env.Append(CPPDEFINES = 'GALLIUM_SOFTPIPE')
+ env.Prepend(LIBS = [softpipe])
+
+if env['llvm']:
+ 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')
diff --git a/src/gallium/targets/graw-null/graw_null.c b/src/gallium/targets/graw-null/graw_null.c
new file mode 100644
index 0000000000..293015bc6b
--- /dev/null
+++ b/src/gallium/targets/graw-null/graw_null.c
@@ -0,0 +1,83 @@
+#include "pipe/p_compiler.h"
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+#include "target-helpers/wrap_screen.h"
+#include "sw/null/null_sw_winsys.h"
+
+#ifdef GALLIUM_SOFTPIPE
+#include "softpipe/sp_public.h"
+#endif
+
+#ifdef GALLIUM_LLVMPIPE
+#include "llvmpipe/lp_public.h"
+#endif
+
+/* Haven't figured out a decent way to build the helper code yet -
+ * #include it here temporarily.
+ */
+#include "sw/sw_public.h"
+#include "sw/sw.c"
+
+#include "state_tracker/graw.h"
+
+#include <stdio.h>
+
+
+struct pipe_screen *
+graw_init( void )
+{
+ const char *default_driver;
+ const char *driver;
+ struct pipe_screen *screen = NULL;
+ struct sw_winsys *winsys = NULL;
+
+ /* Create the underlying winsys, which performs presents to Xlib
+ * drawables:
+ */
+ winsys = null_sw_create();
+ if (winsys == NULL)
+ return NULL;
+
+#if defined(GALLIUM_LLVMPIPE)
+ default_driver = "llvmpipe";
+#elif defined(GALLIUM_SOFTPIPE)
+ default_driver = "softpipe";
+#else
+ default_driver = "";
+#endif
+
+ driver = debug_get_option("GALLIUM_DRIVER", default_driver);
+
+#if defined(GALLIUM_LLVMPIPE)
+ if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
+ screen = llvmpipe_create_screen( winsys );
+#endif
+
+#if defined(GALLIUM_SOFTPIPE)
+ if (screen == NULL)
+ screen = softpipe_create_screen( winsys );
+#endif
+
+ /* Inject any wrapping layers we want to here:
+ */
+ return gallium_wrap_screen( screen );
+}
+
+
+void *
+graw_create_window( int x,
+ int y,
+ unsigned width,
+ unsigned height,
+ enum pipe_format format )
+{
+ static int dummy;
+ return &dummy;
+}
+
+
+void
+graw_destroy_window( void *window )
+{
+}
+