gallium: Add "pipe-loader" target.

This target generates pipe driver modules intended to be consumed by
auxiliary/pipe-loader.  Most of it was taken from the "gbm" target --
the duplicated code will be replaced with references to this target in
a future commit.

Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/src/gallium/targets/pipe-loader/pipe_r300.c b/src/gallium/targets/pipe-loader/pipe_r300.c
new file mode 100644
index 0000000..0556859
--- /dev/null
+++ b/src/gallium/targets/pipe-loader/pipe_r300.c
@@ -0,0 +1,27 @@
+
+#include "target-helpers/inline_debug_helper.h"
+#include "state_tracker/drm_driver.h"
+#include "radeon/drm/radeon_drm_public.h"
+#include "r300/r300_public.h"
+
+static struct pipe_screen *
+create_screen(int fd)
+{
+   struct radeon_winsys *sws;
+   struct pipe_screen *screen;
+
+   sws = radeon_drm_winsys_create(fd);
+   if (!sws)
+      return NULL;
+
+   screen = r300_screen_create(sws);
+   if (!screen)
+      return NULL;
+
+   screen = debug_screen_wrap(screen);
+
+   return screen;
+}
+
+PUBLIC
+DRM_DRIVER_DESCRIPTOR("r300", "radeon", create_screen, NULL)