fb: Revert fb changes that broke XQuartzXQuartz-2.7.2

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>
(cherry picked from commit e6fa592a74104aa9d0081387823314833526f306)

3 files changed, 43 insertions, 85 deletions

diff --git a/fb/fb.h b/fb/fb.h
index b327ce653..53a6c1a36 100644
--- a/fb/fb.h
+++ b/fb/fb.h
@@ -1683,8 +1683,7 @@ fbFillRegionSolid(DrawablePtr pDrawable,
                   RegionPtr pRegion, FbBits and, FbBits xor);
 
 extern _X_EXPORT pixman_image_t *image_from_pict(PicturePtr pict,
-                                                 Bool has_clip,
-                                                 int *xoff, int *yoff);
+                                                 Bool has_clip);
 
 extern _X_EXPORT void free_pixman_pict(PicturePtr, pixman_image_t *);
 
diff --git a/fb/fbpict.c b/fb/fbpict.c
index 097a1a6bd..dc0ca3c6c 100644
--- a/fb/fbpict.c
+++ b/fb/fbpict.c
@@ -46,23 +46,18 @@ fbComposite(CARD8 op,
             INT16 yMask, INT16 xDst, INT16 yDst, CARD16 width, 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, width, height);
+                               xSrc, ySrc, xMask, yMask, xDst, yDst,
+                               width, height);
     }
 
     free_pixman_pict(pSrc, src);
@@ -143,20 +138,22 @@ create_conical_gradient_image(PictGradient * gradient)
 }
 
 static pixman_image_t *
-create_bits_picture(PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
+create_bits_picture(PicturePtr pict, 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, (uint32_t *) bits,
+                                     pict->pDrawable->width,
+                                     pict->pDrawable->height, (uint32_t *) bits,
                                      stride * sizeof(FbStride));
 
     if (!image)
@@ -183,57 +180,31 @@ create_bits_picture(PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
         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);
 
 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, pict->transform);
     }
 
     switch (pict->repeatType) {
@@ -261,10 +232,8 @@ set_image_properties(pixman_image_t * image, PicturePtr pict, Bool has_clip,
      * as the alpha map for this operation
      */
     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);
+            image_from_pict_internal(pict->alphaMap, TRUE, TRUE);
 
         pixman_image_set_alpha_map(image, alpha_map, pict->alphaOrigin.x,
                                    pict->alphaOrigin.y);
@@ -298,8 +267,7 @@ set_image_properties(pixman_image_t * image, PicturePtr pict, Bool has_clip,
 }
 
 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;
 
@@ -307,7 +275,7 @@ image_from_pict_internal(PicturePtr pict, Bool has_clip, int *xoff, int *yoff,
         return NULL;
 
     if (pict->pDrawable) {
-        image = create_bits_picture(pict, has_clip, xoff, yoff);
+        image = create_bits_picture(pict, has_clip);
     }
     else if (pict->pSourcePict) {
         SourcePict *sp = pict->pSourcePict;
@@ -325,19 +293,17 @@ 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 bf82f8f2c..0145ce926 100644
--- a/fb/fbtrap.c
+++ b/fb/fbtrap.c
@@ -36,13 +36,12 @@ fbAddTraps(PicturePtr pPicture,
            INT16 x_off, INT16 y_off, int ntrap, xTrap * traps)
 {
     pixman_image_t *image;
-    int dst_xoff, dst_yoff;
 
-    if (!(image = image_from_pict(pPicture, FALSE, &dst_xoff, &dst_yoff)))
-        return;
-
-    pixman_add_traps(image, x_off + dst_xoff, y_off + dst_yoff,
-                     ntrap, (pixman_trap_t *) traps);
+    if (!(image = image_from_pict (pPicture, FALSE)))
+	return;
+    
+    pixman_add_traps(image, x_off, y_off,
+                     ntrap, (pixman_trap_t *)traps);
 
     free_pixman_pict(pPicture, image);
 }
@@ -52,13 +51,12 @@ fbRasterizeTrapezoid(PicturePtr pPicture,
                      xTrapezoid * trap, int x_off, 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);
+    pixman_rasterize_trapezoid(image, (pixman_trapezoid_t *)trap,
+                               x_off, y_off);
 
     free_pixman_pict(pPicture, image);
 }
@@ -68,14 +66,12 @@ fbAddTriangles(PicturePtr pPicture,
                INT16 x_off, INT16 y_off, int ntri, 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,
-                         ntri, (pixman_triangle_t *) tris);
+    
+    pixman_add_triangles(image, x_off, y_off, ntri,
+                         (pixman_triangle_t *)tris);
 
     free_pixman_pict(pPicture, image);
 }
@@ -98,13 +94,11 @@ fbShapes(CompositeShapesFunc composite,
          int16_t ySrc, int nshapes, int shape_size, 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) {
         pixman_format_code_t format;
@@ -121,9 +115,8 @@ fbShapes(CompositeShapesFunc composite,
 
             for (i = 0; i < nshapes; ++i) {
                 composite(op, src, dst, format,
-                          xSrc + src_xoff,
-                          ySrc + src_yoff,
-                          dst_xoff, dst_yoff, 1, shapes + i * shape_size);
+                          xSrc, ySrc, 0, 0, 
+                          1, shapes + i * shape_size);
             }
         }
         else {
@@ -143,8 +136,8 @@ fbShapes(CompositeShapesFunc composite,
             }
 
             composite(op, src, dst, format,
-                      xSrc + src_xoff,
-                      ySrc + src_yoff, dst_xoff, dst_yoff, nshapes, shapes);
+                      xSrc, ySrc, 0, 0,
+                      nshapes, shapes);
         }
 
         DamageRegionProcessPending(pDst->pDrawable);