[Mesa-dev] [PATCH 08/13] pipe-loader: introduce pipe_loader_sw_probe_xlib helper

[Emil Velikov]

Will be used in the upcoming patches.

Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
---
 src/gallium/auxiliary/pipe-loader/Makefile.am      |  4 ++++
 src/gallium/auxiliary/pipe-loader/pipe_loader.h    | 19 +++++++++++++++++++
 src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c | 22 +++++++++++++++++++---
 3 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/src/gallium/auxiliary/pipe-loader/Makefile.am b/src/gallium/auxiliary/pipe-loader/Makefile.am
index 8e4d034..bcee58e 100644
--- a/src/gallium/auxiliary/pipe-loader/Makefile.am
+++ b/src/gallium/auxiliary/pipe-loader/Makefile.am
@@ -8,6 +8,10 @@ AM_CPPFLAGS = $(DEFINES) \
 	-I$(top_srcdir)/src/gallium/auxiliary \
 	-I$(top_srcdir)/src/gallium/winsys
 
+if NEED_WINSYS_XLIB
+AM_CPPFLAGS += -DHAVE_WINSYS_XLIB
+endif
+
 noinst_LTLIBRARIES =
 
 if HAVE_LOADER_GALLIUM
diff --git a/src/gallium/auxiliary/pipe-loader/pipe_loader.h b/src/gallium/auxiliary/pipe-loader/pipe_loader.h
index cc6b183..1073dc4 100644
--- a/src/gallium/auxiliary/pipe-loader/pipe_loader.h
+++ b/src/gallium/auxiliary/pipe-loader/pipe_loader.h
@@ -34,6 +34,11 @@
 #define PIPE_LOADER_H
 
 #include "pipe/p_compiler.h"
+#include <stdbool.h>
+
+#ifdef HAVE_WINSYS_XLIB
+#include <X11/Xlib.h>
+#endif
 
 #ifdef __cplusplus
 extern "C" {
@@ -100,6 +105,20 @@ pipe_loader_create_screen(struct pipe_loader_device *dev,
 void
 pipe_loader_release(struct pipe_loader_device **devs, int ndev);
 
+#ifdef HAVE_WINSYS_XLIB
+
+/**
+ * Initialize Xlib for an associated display.
+ *
+ * This function is platform-specific.
+ *
+ * \sa pipe_loader_probe
+ */
+bool
+pipe_loader_sw_probe_xlib(struct pipe_loader_device **devs, Display *display);
+
+#endif
+
 /**
  * Get a list of known software devices.
  *
diff --git a/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c b/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c
index 90d2975..8cf8980 100644
--- a/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c
+++ b/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c
@@ -44,12 +44,28 @@ struct pipe_loader_sw_device {
 static struct pipe_loader_ops pipe_loader_sw_ops;
 
 static struct sw_winsys *(*backends[])() = {
-#ifdef HAVE_WINSYS_XLIB
-   x11_sw_create,
-#endif
    null_sw_create
 };
 
+#ifdef HAVE_WINSYS_XLIB
+bool
+pipe_loader_sw_probe_xlib(struct pipe_loader_device **devs, Display *display)
+{
+   struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device);
+
+   if (!sdev)
+      return false;
+
+   sdev->base.type = PIPE_LOADER_DEVICE_SOFTWARE;
+   sdev->base.driver_name = "swrast";
+   sdev->base.ops = &pipe_loader_sw_ops;
+   sdev->ws = xlib_create_sw_winsys(display);
+   *devs = &sdev->base;
+
+   return true;
+}
+#endif
+
 int
 pipe_loader_sw_probe(struct pipe_loader_device **devs, int ndev)
 {
-- 
1.8.5.4