Attachment 6375 Details for Bug 7671 – Patch to fix a case where a pinned source pixmap forces no acceleration

[patch] Patch to fix a case where a pinned source pixmap forces no acceleration

fix_pinned.patch (text/plain), 1.31 KB, created by Thomas Hellström on 2006-07-28 05:41:13 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Thomas Hellström

Created: 2006-07-28 05:41:13 UTC

Size: 1.31 KB

patch

obsolete

>diff --git a/exa/exa_migration.c b/exa/exa_migration.c
>index 06a4b93..8187f37 100644
>--- a/exa/exa_migration.c
>+++ b/exa/exa_migration.c
>@@ -452,6 +452,7 @@ exaDoMigration (ExaMigrationPtr pixmaps,
>     ScreenPtr pScreen = pixmaps[0].pPix->drawable.pScreen;
>     ExaScreenPriv(pScreen);
>     int i, j;
>+    Bool op_can_accel = can_accel;
> 
>     /* If this debugging flag is set, check each pixmap for whether it is marked
>      * as clean, and if so, actually check if that's the case.  This should help
>@@ -526,6 +527,31 @@ exaDoMigration (ExaMigrationPtr pixmaps,
> 	 * If not, then we migrate toward FB so that hopefully acceleration can
> 	 * happen.
> 	 */
>+
>+	if (op_can_accel && !can_accel && 
>+	    pExaScr->info->UploadToScratch != NULL ) {
>+
>+	    /*
>+	     * Rely on uploadToScratch to make one system pinned
>+	     * pixmap available for the accelerator.
>+	     */
>+
>+	    int pinnedDst = 0;
>+	    int pinnedSrc = 0;
>+	    for (i=0; i<npixmaps; ++i) {
>+		if (pixmaps[i].as_dst && exaPixmapIsPinned(pixmaps[i].pPix)) {
>+		    pinnedDst = 1;
>+		    break;
>+		}
>+		if (!pixmaps[i].as_dst && exaPixmapIsPinned(pixmaps[i].pPix)) {
>+		    pinnedSrc++;
>+		}
>+	    }
>+	    if (!pinnedDst && (pinnedSrc < 2)) {
>+		can_accel=TRUE;
>+	    }
>+	}
>+
> 	if (!can_accel) {
> 	    for (i = 0; i < npixmaps; i++)
> 		exaMigrateTowardSys (pixmaps[i].pPix);

Actions: View | Splinter Review

Attachments on bug 7671: 6375 | 6376 | 6378

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.