Attachment 27250 Details for Bug 22474 – Patch with scanline clipping.

[patch] Patch with scanline clipping.

xvVblank.patch (text/plain), 1011 bytes, created by Lukasz Kurylo on 2009-06-30 00:11:12 UTC

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Creator: Lukasz Kurylo

Created: 2009-06-30 00:11:12 UTC

Size: 1011 bytes

patch

obsolete

>diff --git a/src/i830_video.c b/src/i830_video.c
>index 1ff80a0..3509006 100644
>--- a/src/i830_video.c
>+++ b/src/i830_video.c
>@@ -2488,6 +2488,7 @@ I830PutImage(ScrnInfoPtr pScrn,
> 
>         if (sync) {
> 	    BoxPtr box;
>+	    pixman_box16_t box_in_crtc_coordinates;
> 	    int y1, y2;
> 	    int pipe = -1, event, load_scan_lines_pipe;
> 
>@@ -2510,8 +2511,15 @@ I830PutImage(ScrnInfoPtr pScrn,
> 		}
> 
> 		box = REGION_EXTENTS(unused, clipBoxes);
>-		y1 = box->y1 - crtc->y;
>-		y2 = box->y2 - crtc->y;
>+
>+		/* Make sure we don't wait for a scanline that will never occur */
>+		box_in_crtc_coordinates = *box;
>+		if (crtc->transform_in_use)
>+		    pixman_f_transform_bounds (&crtc->f_framebuffer_to_crtc, &box_in_crtc_coordinates);
>+		y1 = (box_in_crtc_coordinates.y1 < 0) ? 
>+		    0 : box_in_crtc_coordinates.y1;
>+		y2 = (box_in_crtc_coordinates.y2 <= crtc->mode.VDisplay) ? 
>+		    box_in_crtc_coordinates.y2 : crtc->mode.VDisplay;
> 
> 		BEGIN_BATCH(5);
> 		/* The documentation says that the LOAD_SCAN_LINES command

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Attachments on bug 22474: 27155 | 27250

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