fb: Revert fb changes that broke XQuartz

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

Revert "Fix source pictures getting random transforms after 2d6a8f668342a5190cdf43b5."
Revert "fb: backport fb changes from master for src window operations."

This reverts commit 66b6e2fd49fdc650703e56aa176a902e4921251c.
This reverts commit 2d6a8f668342a5190cdf43b5d385f592d10f5900.

Signed-off-by: Jeremy Huddleston <jeremyhu@freedesktop.org>

4 files changed, 60 insertions, 109 deletions

diff --git a/fb/fb.h b/fb/fb.h
index 8b2839aab..37de71ea5 100644
--- a/fb/fb.h
+++ b/fb/fb.h
@@ -700,41 +700,38 @@ typedef struct {
 #define __fbPixOffXPix(pPix)	(__fbPixDrawableX(pPix))
 #define __fbPixOffYPix(pPix)	(__fbPixDrawableY(pPix))
 
-#define fbGetDrawablePixmap(pDrawable, pixmap, xoff, yoff) {			\
-    if ((pDrawable)->type != DRAWABLE_PIXMAP) { 				\
-	(pixmap) = fbGetWindowPixmap(pDrawable);				\
-	(xoff) = __fbPixOffXWin(pixmap); 					\
-	(yoff) = __fbPixOffYWin(pixmap); 					\
-    } else { 									\
-	(pixmap) = (PixmapPtr) (pDrawable);					\
-	(xoff) = __fbPixOffXPix(pixmap); 					\
-	(yoff) = __fbPixOffYPix(pixmap); 					\
-    } 										\
-    fbPrepareAccess(pDrawable); 						\
-}
-
-#define fbGetPixmapBitsData(pixmap, pointer, stride, bpp) {			\
-    (pointer) = (FbBits *) (pixmap)->devPrivate.ptr; 			       	\
-    (stride) = ((int) (pixmap)->devKind) / sizeof (FbBits); (void)(stride);	\
-    (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp); 			\
-}
-
-#define fbGetPixmapStipData(pixmap, pointer, stride, bpp) {			\
-    (pointer) = (FbStip *) (pixmap)->devPrivate.ptr; 			       	\
-    (stride) = ((int) (pixmap)->devKind) / sizeof (FbStip); (void)(stride);	\
-    (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp); 			\
-}
-
-#define fbGetDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { 		\
-    PixmapPtr   _pPix; 								\
-    fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff); 				\
-    fbGetPixmapBitsData(_pPix, pointer, stride, bpp);				\
+#define fbGetDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { \
+    PixmapPtr   _pPix; \
+    if ((pDrawable)->type != DRAWABLE_PIXMAP) { \
+	_pPix = fbGetWindowPixmap(pDrawable); \
+	(xoff) = __fbPixOffXWin(_pPix); \
+	(yoff) = __fbPixOffYWin(_pPix); \
+    } else { \
+	_pPix = (PixmapPtr) (pDrawable); \
+	(xoff) = __fbPixOffXPix(_pPix); \
+	(yoff) = __fbPixOffYPix(_pPix); \
+    } \
+    fbPrepareAccess(pDrawable); \
+    (pointer) = (FbBits *) _pPix->devPrivate.ptr; \
+    (stride) = ((int) _pPix->devKind) / sizeof (FbBits); (void)(stride); \
+    (bpp) = _pPix->drawable.bitsPerPixel;  (void)(bpp); \
 }
 
-#define fbGetStipDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { 	\
-    PixmapPtr   _pPix; 								\
-    fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff);				\
-    fbGetPixmapStipData(_pPix, pointer, stride, bpp);				\
+#define fbGetStipDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { \
+    PixmapPtr   _pPix; \
+    if ((pDrawable)->type != DRAWABLE_PIXMAP) { \
+	_pPix = fbGetWindowPixmap(pDrawable); \
+	(xoff) = __fbPixOffXWin(_pPix); \
+	(yoff) = __fbPixOffYWin(_pPix); \
+    } else { \
+	_pPix = (PixmapPtr) (pDrawable); \
+	(xoff) = __fbPixOffXPix(_pPix); \
+	(yoff) = __fbPixOffYPix(_pPix); \
+    } \
+    fbPrepareAccess(pDrawable); \
+    (pointer) = (FbStip *) _pPix->devPrivate.ptr; \
+    (stride) = ((int) _pPix->devKind) / sizeof (FbStip); (void)(stride); \
+    (bpp) = _pPix->drawable.bitsPerPixel; (void)(bpp); \
 }
 
 /*
@@ -2082,16 +2079,9 @@ fbFillRegionSolid (DrawablePtr	pDrawable,
 		   FbBits	xor);
 
 extern _X_EXPORT pixman_image_t *
-image_from_pict (PicturePtr	pict,
-		 Bool		has_clip,
-		 Bool		is_src);
-
-extern _X_EXPORT pixman_image_t *
-image_from_pict_18 (PicturePtr	pict,
-		 Bool		has_clip,
-		 int		*xoff,
-		 int		*yoff);
-
+image_from_pict (PicturePtr pict,
+		 Bool       has_clip,
+		 Bool       is_src);
 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 c046baeb4..8fdaa584e 100644
--- a/fb/fbpict.c
+++ b/fb/fbpict.c
@@ -158,24 +158,19 @@ 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, xSrc - xDst, ySrc - yDst, width, height);
+    miCompositeSourceValidate (pSrc, xSrc, ySrc, width, height);
     if (pMask)
-	miCompositeSourceValidate (pMask, xMask - xDst, yMask - yDst, width, height);
+	miCompositeSourceValidate (pMask, xMask, yMask, width, height);
     
-    src = image_from_pict_18 (pSrc, FALSE, &src_xoff, &src_yoff);
-    mask = image_from_pict_18 (pMask, FALSE, &msk_xoff, &msk_yoff);
-    dest = image_from_pict_18 (pDst, TRUE, &dst_xoff, &dst_yoff);
+    src = image_from_pict (pSrc, TRUE, TRUE);
+    mask = image_from_pict (pMask, TRUE, TRUE);
+    dest = image_from_pict (pDst, TRUE, FALSE);
 
     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);
     }
 
@@ -275,22 +270,22 @@ 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 (
 	pict->format,
-	pixmap->drawable.width, pixmap->drawable.height,
+	pict->pDrawable->width, pict->pDrawable->height,
 	(uint32_t *)bits, stride * sizeof (FbStride));
     
     
@@ -316,52 +311,30 @@ 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 void
-set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
+set_image_properties (pixman_image_t *image, PicturePtr pict)
 {
     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)
@@ -388,8 +361,7 @@ set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int
     
     if (pict->alphaMap)
     {
-	int alpha_xoff, alpha_yoff;
-	pixman_image_t *alpha_map = image_from_pict_18 (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff);
+	pixman_image_t *alpha_map = image_from_pict (pict->alphaMap, TRUE, TRUE);
 	
 	pixman_image_set_alpha_map (
 	    image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
@@ -421,9 +393,10 @@ set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int
     pixman_image_set_source_clipping (image, TRUE);
 }
 
-
 pixman_image_t *
-image_from_pict_18 (PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
+image_from_pict (PicturePtr pict,
+		 Bool has_clip,
+		 Bool is_src)
 {
     pixman_image_t *image = NULL;
 
@@ -432,7 +405,7 @@ image_from_pict_18 (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)
     {
@@ -453,22 +426,14 @@ image_from_pict_18 (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);
+	set_image_properties (image, pict);
     
     return image;
 }
 
-pixman_image_t *
-image_from_pict (PicturePtr pict, Bool has_clip, Bool is_src)
-{
-    int xoff = 0, yoff = 0;
-    return image_from_pict_18(pict, has_clip, &xoff, &yoff);
-}
-
 void
 free_pixman_pict (PicturePtr pict, pixman_image_t *image)
 {
@@ -498,4 +463,3 @@ fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
 
     return TRUE;
 }
-
diff --git a/fb/fbtrap.c b/fb/fbtrap.c
index 5b5aeaedd..b1e1eff4a 100644
--- a/fb/fbtrap.c
+++ b/fb/fbtrap.c
@@ -40,8 +40,7 @@ fbAddTraps (PicturePtr	pPicture,
 	    int		ntrap,
 	    xTrap	*traps)
 {
-    int image_xoff, image_yoff;
-    pixman_image_t *image = image_from_pict_18 (pPicture, FALSE, &image_xoff, &image_yoff);
+    pixman_image_t *image = image_from_pict (pPicture, FALSE, FALSE);
 
     if (!image)
 	return;
@@ -57,8 +56,7 @@ fbRasterizeTrapezoid (PicturePtr    pPicture,
 		      int	    x_off,
 		      int	    y_off)
 {
-    int	mask_xoff, mask_yoff;
-    pixman_image_t *image = image_from_pict_18 (pPicture, FALSE, &mask_xoff, &mask_yoff);
+    pixman_image_t *image = image_from_pict (pPicture, FALSE, FALSE);
 
     if (!image)
 	return;
diff --git a/fb/wfbrename.h b/fb/wfbrename.h
index e9cdca8bb..73ee510b9 100644
--- a/fb/wfbrename.h
+++ b/fb/wfbrename.h
@@ -187,5 +187,4 @@
 #define fbZeroSegment wfbZeroSegment
 #define free_pixman_pict wfb_free_pixman_pict
 #define image_from_pict wfb_image_from_pict
-#define image_from_pict_18 wfb_image_from_pict_18
 #define composeFunctions wfbComposeFunctions