Attachment 1517 Details for Bug 2062 – patch to apply offsetX only once

[patch] patch to apply offsetX only once

backclear.diff (text/plain), 1.13 KB, created by Yann Vernier on 2004-12-12 06:22:06 UTC

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Creator: Yann Vernier

Created: 2004-12-12 06:22:06 UTC

Size: 1.13 KB

patch

obsolete

>--- /home/yann/via/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c	2004-11-27 23:02:23.000000000 +0100
>+++ via_ioctl.c	2004-12-12 15:11:00.000000000 +0100
>@@ -1013,21 +959,21 @@ void viaFillBackBuffer(viaContextPtr vme
> 	else {
> 	    int i;
> 	    drm_clip_rect_t *b = vmesa->sarea->boxes;
>+	    if (bytePerPixel == 4)
>+		offsetX = (vmesa->drawX & 7) - vmesa->drawX;
>+	    else 
>+		offsetX = (vmesa->drawX & 15) - vmesa->drawX;
>+		
> 	    for (i = 0; i < vmesa->sarea->nbox ; i++) {        
>     		nDestWidth = b->x2 - b->x1 - 1;
> 		nDestHeight = b->y2 - b->y1 - 1;
> 		
>-		if (bytePerPixel == 4)
>-		    offsetX = (b->x1 - vmesa->drawX) + (vmesa->drawX & 7);
>-		else 
>-		    offsetX = (b->x1 - vmesa->drawX) + (vmesa->drawX & 15);
>-		
> 		/* GEFGCOLOR */
>     		SetReg2DAGP(0x18, pixel | 0x00000000);
>     		/* GEWD */
>     		SetReg2DAGP(0x10, nDestWidth | (nDestHeight << 16));
>     		/* GEDST */
>-    		SetReg2DAGP(0x0C, ((offsetX + (b->x1 - vmesa->drawX)) | ((b->y1 - vmesa->drawY) << 16)));
>+    		SetReg2DAGP(0x0C, (offsetX + b->x1) | ((b->y1 - vmesa->drawY) << 16));
>     		/* GEDSTBASE */
>     		SetReg2DAGP(0x34, (nDestBase >> 3));
>     		/* GEPITCH */

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