Store viewport limits of both pipes in SAREA.

This allows DRI clients to determine which pipe they should synchronize buffer
swaps of each window to.

1 files changed, 62 insertions, 14 deletions

diff --git a/src/i830_driver.c b/src/i830_driver.c
index ffa93f8e..fc768af9 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -1342,15 +1342,49 @@ I830UpdateXineramaScreenInfo(ScrnInfoPtr pScrn1)
     Bool infochanged = FALSE;
     Bool usenonrect = pI830->NonRect;
     const char *rectxine = "\t... setting up rectangular Xinerama layout\n";
+#ifdef XF86DRI
+    drmI830Sarea *sarea;
+
+    if (pI830->directRenderingEnabled) {
+       sarea = (drmI830Sarea *) DRIGetSAREAPrivate(pScrn1->pScreen);
+    }
+#endif
 
     pI830->MBXNR1XMAX = pI830->MBXNR1YMAX = pI830->MBXNR2XMAX = pI830->MBXNR2YMAX = 65536;
     pI830->HaveNonRect = pI830->HaveOffsRegions = FALSE;
 
-    if(!pI830->MergedFB) return;
+    if(!pI830->MergedFB) {
+#ifdef XF86DRI
+       if (pI830->directRenderingEnabled) {
+          sarea->pipeA_x = sarea->pipeA_y = sarea->pipeB_x = sarea->pipeB_y = 0;
+
+          if (pI830->planeEnabled[0]) {
+             sarea->pipeA_w = pScrn1->virtualX;
+             sarea->pipeA_h = pScrn1->virtualY;
+          } else {
+             sarea->pipeA_w = 0;
+             sarea->pipeA_h = 0;
+          }
 
-    if(I830noPanoramiXExtension) return;
+          if (pI830->planeEnabled[1]) {
+             sarea->pipeB_w = pScrn1->virtualX;
+             sarea->pipeB_h = pScrn1->virtualY;
+          } else {
+             sarea->pipeB_w = 0;
+             sarea->pipeB_h = 0;
+          }
+       }
+#endif
 
-    if(!I830XineramadataPtr) return;
+       return;
+    }
+
+    if (I830noPanoramiXExtension || !I830XineramadataPtr) {
+#ifdef XF86DRI
+       if (!pI830->directRenderingEnabled)
+#endif
+	  return;
+    }
 
     if(pI830->SecondIsScrn0) {
        scrnnum1 = 1;
@@ -1631,14 +1665,30 @@ I830UpdateXineramaScreenInfo(ScrnInfoPtr pScrn1)
 
     }
 
-    I830XineramadataPtr[scrnnum1].x = x1;
-    I830XineramadataPtr[scrnnum1].y = y1;
-    I830XineramadataPtr[scrnnum1].width = w1;
-    I830XineramadataPtr[scrnnum1].height = h1;
-    I830XineramadataPtr[scrnnum2].x = x2;
-    I830XineramadataPtr[scrnnum2].y = y2;
-    I830XineramadataPtr[scrnnum2].width = w2;
-    I830XineramadataPtr[scrnnum2].height = h2;
+#ifdef XF86DRI
+    if (pI830->directRenderingEnabled) {
+       sarea->pipeA_x = x1;
+       sarea->pipeA_y = y1;
+       sarea->pipeA_w = w1;
+       sarea->pipeA_h = h1;
+       sarea->pipeB_x = x2;
+       sarea->pipeB_y = y2;
+       sarea->pipeB_w = w2;
+       sarea->pipeB_h = h2;
+    }
+#endif
+
+    if (I830XineramadataPtr && !I830noPanoramiXExtension) {
+       I830XineramadataPtr[scrnnum1].x = x1;
+       I830XineramadataPtr[scrnnum1].y = y1;
+       I830XineramadataPtr[scrnnum1].width = w1;
+       I830XineramadataPtr[scrnnum1].height = h1;
+       I830XineramadataPtr[scrnnum2].x = x2;
+       I830XineramadataPtr[scrnnum2].y = y2;
+       I830XineramadataPtr[scrnnum2].width = w2;
+       I830XineramadataPtr[scrnnum2].height = h2;
+    } else
+       return;
 
     if(infochanged) {
        xf86DrvMsg(pScrn1->scrnIndex, X_INFO,
@@ -8186,9 +8236,7 @@ I830BIOSSwitchMode(int scrnIndex, DisplayModePtr mode, int flags)
    /* Since RandR (indirectly) uses SwitchMode(), we need to
     * update our Xinerama info here, too, in case of resizing
     */
-   if(pI830->MergedFB) {
-      I830UpdateXineramaScreenInfo(pScrn);
-   }
+   I830UpdateXineramaScreenInfo(pScrn);
 
    return ret;
 }