fb: Revert fb changes that broke XQuartzserver-1.11-apple

http://bugs.freedesktop.org/show_bug.cgi?id=26124

Revert "Fix source pictures getting random transforms after 2d6a8f668342a5190cdf43b5."
Revert "fb: Adjust transform or composite coordinates for pixman operations"

http://bugs.freedesktop.org/26124

This reverts commit a72c65e9176c51de95db2fdbf4c5d946a4911695.
This reverts commit a6bd5d2e482a5aa84acb3d4932e2a166d8670ef1.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

3 files changed, 44 insertions, 80 deletions

diff --git a/fb/fb.h b/fb/fb.h
index eaa21ad75..e65a1c0ed 100644
--- a/fb/fb.h
+++ b/fb/fb.h
@@ -2049,11 +2049,8 @@ fbFillRegionSolid (DrawablePtr	pDrawable,
 		   FbBits	xor);
 
 extern _X_EXPORT pixman_image_t *
-image_from_pict (PicturePtr	pict,
-		 Bool		has_clip,
-		 int		*xoff,
-		 int		*yoff);
-
+image_from_pict (PicturePtr pict,
+		 Bool       has_clip);
 extern _X_EXPORT void free_pixman_pict (PicturePtr, pixman_image_t *);
 
 #endif /* _FB_H_ */
diff --git a/fb/fbpict.c b/fb/fbpict.c
index 57c93fd06..127e5c73c 100644
--- a/fb/fbpict.c
+++ b/fb/fbpict.c
@@ -50,24 +50,19 @@ fbComposite (CARD8      op,
 	     CARD16     height)
 {
     pixman_image_t *src, *mask, *dest;
-    int src_xoff, src_yoff;
-    int msk_xoff, msk_yoff;
-    int dst_xoff, dst_yoff;
     
     miCompositeSourceValidate (pSrc);
     if (pMask)
 	miCompositeSourceValidate (pMask);
     
-    src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
-    mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff);
-    dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
+    src = image_from_pict (pSrc, TRUE);
+    mask = image_from_pict (pMask, TRUE);
+    dest = image_from_pict (pDst, TRUE);
 
     if (src && dest && !(pMask && !mask))
     {
 	pixman_image_composite (op, src, mask, dest,
-				xSrc + src_xoff, ySrc + src_yoff,
-				xMask + msk_xoff, yMask + msk_yoff,
-				xDst + dst_xoff, yDst + dst_yoff,
+				xSrc, ySrc, xMask, yMask, xDst, yDst,
 				width, height);
     }
 
@@ -146,22 +141,22 @@ create_conical_gradient_image (PictGradient *gradient)
 
 static pixman_image_t *
 create_bits_picture (PicturePtr pict,
-		     Bool       has_clip,
-		     int	*xoff,
-		     int	*yoff)
+		     Bool       has_clip)
 {
-    PixmapPtr pixmap;
     FbBits *bits;
     FbStride stride;
-    int bpp;
+    int bpp, xoff, yoff;
     pixman_image_t *image;
     
-    fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff);
-    fbGetPixmapBitsData(pixmap, bits, stride, bpp);
+    fbGetDrawable (pict->pDrawable, bits, stride, bpp, xoff, yoff);
+
+    bits = (FbBits*)((CARD8*)bits +
+		     (pict->pDrawable->y + yoff) * stride * sizeof(FbBits) +
+		     (pict->pDrawable->x + xoff) * (bpp / 8));
 
     image = pixman_image_create_bits (
 	(pixman_format_code_t)pict->format,
-	pixmap->drawable.width, pixmap->drawable.height,
+	pict->pDrawable->width, pict->pDrawable->height,
 	(uint32_t *)bits, stride * sizeof (FbStride));
 
     if (!image)
@@ -189,55 +184,33 @@ create_bits_picture (PicturePtr pict,
 	if (pict->clientClipType != CT_NONE)
 	    pixman_image_set_has_client_clip (image, TRUE);
 
-	if (*xoff || *yoff)
-	    pixman_region_translate (pict->pCompositeClip, *xoff, *yoff);
+	pixman_region_translate (pict->pCompositeClip, - pict->pDrawable->x, - pict->pDrawable->y);
 
 	pixman_image_set_clip_region (image, pict->pCompositeClip);
 
-	if (*xoff || *yoff)
-	    pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff);
+	pixman_region_translate (pict->pCompositeClip, pict->pDrawable->x, pict->pDrawable->y);
     }
     
     /* Indexed table */
     if (pict->pFormat->index.devPrivate)
 	pixman_image_set_indexed (image, pict->pFormat->index.devPrivate);
 
-    /* Add in drawable origin to position within the image */
-    *xoff += pict->pDrawable->x;
-    *yoff += pict->pDrawable->y;
-
     return image;
 }
 
 static pixman_image_t *
-image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map);
+image_from_pict_internal (PicturePtr pict, Bool has_clip, Bool is_alpha_map);
 
 static void
-set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map)
+set_image_properties (pixman_image_t *image, PicturePtr pict, Bool is_alpha_map)
 {
     pixman_repeat_t repeat;
     pixman_filter_t filter;
     
     if (pict->transform)
     {
-	/* For source images, adjust the transform to account
-	 * for the drawable offset within the pixman image,
-	 * then set the offset to 0 as it will be used
-	 * to compute positions within the transformed image.
-	 */
-	if (!has_clip) {
-	    struct pixman_transform	adjusted;
-
-	    adjusted = *pict->transform;
-	    pixman_transform_translate(&adjusted,
-				       NULL,
-				       pixman_int_to_fixed(*xoff),
-				       pixman_int_to_fixed(*yoff));
-	    pixman_image_set_transform (image, &adjusted);
-	    *xoff = 0;
-	    *yoff = 0;
-	} else
-	    pixman_image_set_transform (image, pict->transform);
+	pixman_image_set_transform (
+	    image, (pixman_transform_t *)pict->transform);
     }
     
     switch (pict->repeatType)
@@ -267,8 +240,7 @@ set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int
      */
     if (pict->alphaMap && !is_alpha_map)
     {
-	int alpha_xoff, alpha_yoff;
-	pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff, TRUE);
+	pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, TRUE, TRUE);
 	
 	pixman_image_set_alpha_map (
 	    image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
@@ -301,7 +273,8 @@ set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int
 }
 
 static pixman_image_t *
-image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map)
+image_from_pict_internal (PicturePtr pict,
+		 Bool has_clip, Bool is_alpha_map)
 {
     pixman_image_t *image = NULL;
 
@@ -310,7 +283,7 @@ image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff,
 
     if (pict->pDrawable)
     {
-	image = create_bits_picture (pict, has_clip, xoff, yoff);
+	image = create_bits_picture (pict, has_clip);
     }
     else if (pict->pSourcePict)
     {
@@ -331,19 +304,18 @@ image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff,
 	    else if (sp->type == SourcePictTypeConical)
 		image = create_conical_gradient_image (gradient);
 	}
-	*xoff = *yoff = 0;
     }
     
     if (image)
-	set_image_properties (image, pict, has_clip, xoff, yoff, is_alpha_map);
+	set_image_properties (image, pict, is_alpha_map);
     
     return image;
 }
 
 pixman_image_t *
-image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
+image_from_pict (PicturePtr pict, Bool has_clip)
 {
-    return image_from_pict_internal (pict, has_clip, xoff, yoff, FALSE);
+    return image_from_pict_internal (pict, has_clip, FALSE);
 }
 
 void
diff --git a/fb/fbtrap.c b/fb/fbtrap.c
index 0b5a6382e..fbe264703 100644
--- a/fb/fbtrap.c
+++ b/fb/fbtrap.c
@@ -39,12 +39,11 @@ fbAddTraps (PicturePtr	pPicture,
 	    xTrap	*traps)
 {
     pixman_image_t *image;
-    int dst_xoff, dst_yoff;
 
-    if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff)))
+    if (!(image = image_from_pict (pPicture, FALSE)))
 	return;
     
-    pixman_add_traps (image, x_off + dst_xoff, y_off + dst_yoff,
+    pixman_add_traps (image, x_off, y_off,
 		      ntrap, (pixman_trap_t *)traps);
 
     free_pixman_pict (pPicture, image);
@@ -57,14 +56,13 @@ fbRasterizeTrapezoid (PicturePtr    pPicture,
 		      int	    y_off)
 {
     pixman_image_t *image;
-    int	dst_xoff, dst_yoff;
 
-    if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff)))
+    if (!(image = image_from_pict (pPicture, FALSE)))
 	return;
 
     pixman_rasterize_trapezoid (image, (pixman_trapezoid_t *)trap,
-				x_off + dst_xoff,
-				y_off + dst_yoff);
+				x_off,
+				y_off);
 
     free_pixman_pict (pPicture, image);
 }
@@ -77,13 +75,12 @@ fbAddTriangles (PicturePtr  pPicture,
 		xTriangle *tris)
 {
     pixman_image_t *image;
-    int dst_xoff, dst_yoff;
 
-    if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff)))
+    if (!(image = image_from_pict (pPicture, FALSE)))
 	return;
     
     pixman_add_triangles (image,
-			  dst_xoff + x_off, dst_yoff + y_off,
+			  x_off, y_off,
 			  ntri, (pixman_triangle_t *)tris);
 
     free_pixman_pict (pPicture, image);
@@ -110,13 +107,11 @@ fbShapes (CompositeShapesFunc	composite,
 	  const uint8_t *	shapes)
 {
     pixman_image_t *src, *dst;
-    int src_xoff, src_yoff;
-    int dst_xoff, dst_yoff;
 
     miCompositeSourceValidate (pSrc);
 
-    src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
-    dst = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
+    src = image_from_pict (pSrc, FALSE);
+    dst = image_from_pict (pDst, TRUE);
 
     if (src && dst)
     {
@@ -136,10 +131,10 @@ fbShapes (CompositeShapesFunc	composite,
 	    for (i = 0; i < nshapes; ++i)
 	    {
 		composite (op, src, dst, format,
-			   xSrc + src_xoff,
-			   ySrc + src_yoff,
-			   dst_xoff,
-			   dst_yoff,
+			   xSrc,
+			   ySrc,
+			   0,
+			   0,
 			   1, shapes + i * shape_size);
 	    }
 	}
@@ -162,10 +157,10 @@ fbShapes (CompositeShapesFunc	composite,
 	    }
 	    
 	    composite (op, src, dst, format,
-		       xSrc + src_xoff,
-		       ySrc + src_yoff,
-		       dst_xoff,
-		       dst_yoff,
+		       xSrc,
+		       ySrc,
+		       0,
+		       0,
 		       nshapes, shapes);
 	}