Mesa (master): svga/drm: Implement svga_winsys_screen::get_hw_version.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: 2812b60a84a2992516db28b37b305c2a7eb5f424
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2812b60a84a2992516db28b37b305c2a7eb5f424

Author: José Fonseca <jfonseca at vmware.com>
Date:   Tue May 10 16:36:35 2011 +0100

svga/drm: Implement svga_winsys_screen::get_hw_version.

---

 src/gallium/winsys/svga/drm/vmw_screen_svga.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/src/gallium/winsys/svga/drm/vmw_screen_svga.c b/src/gallium/winsys/svga/drm/vmw_screen_svga.c
index d96b2b9..c362aa3 100644
--- a/src/gallium/winsys/svga/drm/vmw_screen_svga.c
+++ b/src/gallium/winsys/svga/drm/vmw_screen_svga.c
@@ -201,6 +201,19 @@ vmw_svga_winsys_destroy(struct svga_winsys_screen *sws)
 }
 
 
+static SVGA3dHardwareVersion
+vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws)
+{
+   struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
+
+   if (!vws->ioctl.fifo_map) {
+      return 0;
+   }
+
+   return vws->ioctl.fifo_map[SVGA_FIFO_3D_HWVERSION];
+}
+
+
 static boolean
 vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws,
                         SVGA3dDevCapIndex index,
@@ -276,6 +289,7 @@ boolean
 vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws)
 {
    vws->base.destroy = vmw_svga_winsys_destroy;
+   vws->base.get_hw_version = vmw_svga_winsys_get_hw_version;
    vws->base.get_cap = vmw_svga_winsys_get_cap;
    vws->base.context_create = vmw_svga_winsys_context_create;
    vws->base.surface_create = vmw_svga_winsys_surface_create;