vmware/xorg: Give kernel infromation about cursor bypass

1 files changed, 54 insertions, 4 deletions

diff --git a/src/gallium/winsys/drm/vmware/xorg/vmw_screen.c b/src/gallium/winsys/drm/vmware/xorg/vmw_screen.c
index 344ef0b315..421906da99 100644
--- a/src/gallium/winsys/drm/vmware/xorg/vmw_screen.c
+++ b/src/gallium/winsys/drm/vmware/xorg/vmw_screen.c
@@ -33,16 +33,58 @@
 #include "vmw_hook.h"
 #include "vmw_driver.h"
 
+/* modified version of crtc functions */
+xf86CrtcFuncsRec vmw_screen_crtc_funcs;
+
+static void
+vmw_screen_cursor_load_argb(xf86CrtcPtr crtc, CARD32 *image)
+{
+    struct vmw_driver *vmw = modesettingPTR(crtc->scrn)->winsys_priv;
+    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
+    xf86CrtcFuncsPtr funcs = vmw->cursor_priv;
+    CursorPtr c = config->cursor;
+
+    /* Run the ioctl before uploading the image */
+    vmw_ioctl_cursor_bypass(vmw, c->bits->xhot, c->bits->yhot);
+
+    funcs->load_cursor_argb(crtc, image);
+}
+
+static void
+vmw_screen_cursor_init(ScrnInfoPtr pScrn, struct vmw_driver *vmw)
+{
+    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int i;
+
+    /* XXX assume that all crtc's have the same function struct */
+
+    /* Save old struct need to call the old functions as well */
+    vmw->cursor_priv = (void*)(config->crtc[0]->funcs);
+    memcpy(&vmw_screen_crtc_funcs, vmw->cursor_priv, sizeof(xf86CrtcFuncsRec));
+    vmw_screen_crtc_funcs.load_cursor_argb = vmw_screen_cursor_load_argb;
+
+    for (i = 0; i < config->num_crtc; i++)
+	config->crtc[i]->funcs = &vmw_screen_crtc_funcs;
+}
+
+static void
+vmw_screen_cursor_close(ScrnInfoPtr pScrn, struct vmw_driver *vmw)
+{
+    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int i;
+
+    vmw_ioctl_cursor_bypass(vmw, 0, 0);
+
+    for (i = 0; i < config->num_crtc; i++)
+	config->crtc[i]->funcs = vmw->cursor_priv;
+}
+
 static Bool
 vmw_screen_init(ScrnInfoPtr pScrn)
 {
     modesettingPtr ms = modesettingPTR(pScrn);
     struct vmw_driver *vmw;
 
-    /* if gallium is used then we don't need to do anything. */
-    if (ms->screen)
-	return TRUE;
-
     vmw = xnfcalloc(sizeof(*vmw), 1);
     if (!vmw)
 	return FALSE;
@@ -50,6 +92,12 @@ vmw_screen_init(ScrnInfoPtr pScrn)
     vmw->fd = ms->fd;
     ms->winsys_priv = vmw;
 
+    vmw_screen_cursor_init(pScrn, vmw);
+
+    /* if gallium is used then we don't need to do anything more. */
+    if (ms->screen)
+	return TRUE;
+
     vmw_video_init(pScrn, vmw);
 
     return TRUE;
@@ -64,6 +112,8 @@ vmw_screen_close(ScrnInfoPtr pScrn)
     if (!vmw)
 	return TRUE;
 
+    vmw_screen_cursor_close(pScrn, vmw);
+
     vmw_video_close(pScrn, vmw);
 
     ms->winsys_priv = NULL;