xf86: provider switch

1 files changed, 30 insertions, 0 deletions

diff --git a/hw/xfree86/modes/xf86RandR12.c b/hw/xfree86/modes/xf86RandR12.c
index 3530abf24..011303c1b 100644
--- a/hw/xfree86/modes/xf86RandR12.c
+++ b/hw/xfree86/modes/xf86RandR12.c
@@ -37,6 +37,7 @@
 #include "windowstr.h"
 #include "inputstr.h"
 #include <randrstr.h>
+#include "impedance.h"
 #include <X11/extensions/render.h>
 
 #include "xf86Crtc.h"
@@ -1826,6 +1827,34 @@ xf86RandR14ProviderSetOffloadSink(ScreenPtr pScreen,
 }
 
 static Bool
+xf86RandR15ProviderSwitchPrimary(ScreenPtr pScreen,
+				 RRProviderPtr provider)
+{
+    ScreenPtr pProtoScreen, pCurrentGPU;
+
+    /* have to locate the protocol screen this provider is using */
+    pProtoScreen = pScreen->current_master;
+    if (pProtoScreen->isGPU)
+        pProtoScreen = pProtoScreen->current_master;
+
+    pCurrentGPU = pProtoScreen->gpu[0];
+
+    if (provider->offload_sink)
+        DetachOffloadGPU(pScreen);
+    impedAddScreen(pProtoScreen, provider->pScreen);
+    impedRemoveScreen(pProtoScreen, pCurrentGPU);
+
+    pCurrentGPU->current_master = NULL;
+
+    if ((xf86ScreenToScrn(pCurrentGPU)->capabilities & RR_Capability_SinkOutput) &&
+        (xf86ScreenToScrn(provider->pScreen)->capabilities & RR_Capability_SourceOutput))
+        AttachOutputGPU(provider->pScreen, pCurrentGPU);
+
+    
+    return TRUE;
+}
+				
+static Bool
 xf86RandR14ProviderSetProperty(ScreenPtr pScreen,
                              RRProviderPtr randr_provider,
                              Atom property, RRPropertyValuePtr value)
@@ -1910,6 +1939,7 @@ xf86RandR12Init12(ScreenPtr pScreen)
 
     rp->rrProviderSetOutputSource = xf86RandR14ProviderSetOutputSource;
     rp->rrProviderSetOffloadSink = xf86RandR14ProviderSetOffloadSink;
+    rp->rrProviderSwitchPrimary = xf86RandR15ProviderSwitchPrimary;
 
     rp->rrProviderSetProperty = xf86RandR14ProviderSetProperty;
     rp->rrProviderGetProperty = xf86RandR14ProviderGetProperty;