st/xorg: Encapsulate all customizable stuff in a separate class.

This avoids exposing the ms driver structure to the winsys,
and nicely encapsulates driver customizable stuff.
In the future more things might be customizable by the winsys, like
throttling, 3D readback etc.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

1 files changed, 27 insertions, 8 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index b92f643bff..5397ee777a 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -333,6 +333,7 @@ drv_pre_init(ScrnInfoPtr pScrn, int flags)
     EntityInfoPtr pEnt;
     EntPtr msEnt = NULL;
     int max_width, max_height;
+    CustomizerPtr cust;
 
     if (pScrn->numEntities != 1)
 	return FALSE;
@@ -344,6 +345,9 @@ drv_pre_init(ScrnInfoPtr pScrn, int flags)
 	return TRUE;
     }
 
+    cust = (CustomizerPtr) pScrn->driverPrivate;
+    pScrn->driverPrivate = NULL;
+
     /* Allocate driverPrivate */
     if (!drv_get_rec(pScrn))
 	return FALSE;
@@ -351,6 +355,7 @@ drv_pre_init(ScrnInfoPtr pScrn, int flags)
     ms = modesettingPTR(pScrn);
     ms->SaveGeneration = -1;
     ms->pEnt = pEnt;
+    ms->cust = cust;
 
     pScrn->displayWidth = 640;	       /* default it */
 
@@ -608,6 +613,7 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
     modesettingPtr ms = modesettingPTR(pScrn);
     VisualPtr visual;
+    CustomizerPtr cust = ms->cust;
 
     if (!drv_init_drm(pScrn)) {
 	FatalError("Could not init DRM");
@@ -731,8 +737,8 @@ drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     if (serverGeneration == 1)
 	xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
 
-    if (ms->winsys_screen_init)
-	ms->winsys_screen_init(pScrn);
+    if (cust && cust->winsys_screen_init)
+	cust->winsys_screen_init(cust, ms->fd);
 
     return drv_enter_vt(scrnIndex, 1);
 }
@@ -765,10 +771,11 @@ drv_leave_vt(int scrnIndex, int flags)
     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
     modesettingPtr ms = modesettingPTR(pScrn);
     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+    CustomizerPtr cust = ms->cust;
     int o;
 
-    if (ms->winsys_leave_vt)
-	ms->winsys_leave_vt(pScrn);
+    if (cust && cust->winsys_leave_vt)
+	cust->winsys_leave_vt(cust);
 
     for (o = 0; o < config->num_crtc; o++) {
 	xf86CrtcPtr crtc = config->crtc[o];
@@ -802,6 +809,7 @@ drv_enter_vt(int scrnIndex, int flags)
 {
     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
     modesettingPtr ms = modesettingPTR(pScrn);
+    CustomizerPtr cust = ms->cust;
 
     if (drmSetMaster(ms->fd)) {
 	if (errno == EINVAL) {
@@ -832,8 +840,8 @@ drv_enter_vt(int scrnIndex, int flags)
     if (!xf86SetDesiredModes(pScrn))
 	return FALSE;
 
-    if (ms->winsys_enter_vt)
-	ms->winsys_enter_vt(pScrn);
+    if (cust && cust->winsys_enter_vt)
+	cust->winsys_enter_vt(cust);
 
     return TRUE;
 }
@@ -851,13 +859,14 @@ drv_close_screen(int scrnIndex, ScreenPtr pScreen)
 {
     ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
     modesettingPtr ms = modesettingPTR(pScrn);
+    CustomizerPtr cust = ms->cust;
 
     if (pScrn->vtSema) {
 	drv_leave_vt(scrnIndex, 0);
     }
 
-    if (ms->winsys_screen_close)
-	ms->winsys_screen_close(pScrn);
+    if (cust && cust->winsys_screen_close)
+	cust->winsys_screen_close(cust);
 
 #ifdef DRI2
     if (ms->screen)
@@ -1119,4 +1128,14 @@ static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn)
     return TRUE;
 }
 
+CustomizerPtr xorg_customizer(ScrnInfoPtr pScrn)
+{
+    return modesettingPTR(pScrn)->cust;
+}
+
+Bool xorg_has_gallium(ScrnInfoPtr pScrn)
+{
+    return modesettingPTR(pScrn)->screen != NULL;
+}
+
 /* vim: set sw=4 ts=8 sts=4: */