- Fixup some variable names as well.

Signed-off-by: Maarten Maathuis <[email protected]>
Acked-by: Michel Dänzer <[email protected]>
---
 exa/exa.c                   |   30 +++++++++++++++---------------
 exa/exa.h                   |    6 +++---
 exa/exa_accel.c             |   10 +++++-----
 exa/exa_classic.c           |   14 +++++++-------
 exa/exa_driver.c            |   11 ++++++-----
 exa/exa_glyphs.c            |   12 ++++++------
 exa/exa_migration_classic.c |   40 ++++++++++++++++++++--------------------
 exa/exa_migration_mixed.c   |   21 +++++++++++----------
 exa/exa_mixed.c             |   16 ++++++++--------
 exa/exa_offscreen.c         |   12 ++++++------
 exa/exa_priv.h              |   12 ++++++------
 exa/exa_render.c            |    6 +++---
 12 files changed, 96 insertions(+), 94 deletions(-)

diff --git a/exa/exa.c b/exa/exa.c
index ed28431..023288c 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -233,19 +233,19 @@ exaPixmapIsPinned (PixmapPtr pPix)
 }
 
 /**
- * exaPixmapIsOffscreen() is used to determine if a pixmap is in offscreen
+ * exaPixmapHasGpuCopy() is used to determine if a pixmap is in offscreen
  * memory, meaning that acceleration could probably be done to it, and that it
  * will need to be wrapped by PrepareAccess()/FinishAccess() when accessing it
  * with the CPU.
  *
  * Note that except for UploadToScreen()/DownloadFromScreen() (which explicitly
  * deal with moving pixmaps in and out of system memory), EXA will give drivers
- * pixmaps as arguments for which exaPixmapIsOffscreen() is TRUE.
+ * pixmaps as arguments for which exaPixmapHasGpuCopy() is TRUE.
  *
  * @return TRUE if the given drawable is in framebuffer memory.
  */
 Bool
-exaPixmapIsOffscreen(PixmapPtr pPixmap)
+exaPixmapHasGpuCopy(PixmapPtr pPixmap)
 {
     ScreenPtr  pScreen = pPixmap->drawable.pScreen;
     ExaScreenPriv(pScreen);
@@ -253,16 +253,16 @@ exaPixmapIsOffscreen(PixmapPtr pPixmap)
     if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS))
        return FALSE;
 
-    return (*pExaScr->pixmap_is_offscreen)(pPixmap);
+    return (*pExaScr->pixmap_has_gpu_copy)(pPixmap);
 }
 
 /**
- * exaDrawableIsOffscreen() is a convenience wrapper for 
exaPixmapIsOffscreen().
+ * exaDrawableIsOffscreen() is a convenience wrapper for exaPixmapHasGpuCopy().
  */
 Bool
 exaDrawableIsOffscreen (DrawablePtr pDrawable)
 {
-    return exaPixmapIsOffscreen (exaGetDrawablePixmap (pDrawable));
+    return exaPixmapHasGpuCopy (exaGetDrawablePixmap (pDrawable));
 }
 
 /**
@@ -276,7 +276,7 @@ exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int 
*yp)
 
     exaGetDrawableDeltas (pDrawable, pPixmap, xp, yp);
 
-    if (exaPixmapIsOffscreen (pPixmap))
+    if (exaPixmapHasGpuCopy (pPixmap))
        return pPixmap;
     else
        return NULL;
@@ -291,7 +291,7 @@ ExaDoPrepareAccess(PixmapPtr pPixmap, int index)
     ScreenPtr pScreen = pPixmap->drawable.pScreen;
     ExaScreenPriv (pScreen);
     ExaPixmapPriv(pPixmap);
-    Bool offscreen;
+    Bool has_gpu_copy;
     int i;
 
     if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS))
@@ -321,9 +321,9 @@ ExaDoPrepareAccess(PixmapPtr pPixmap, int index)
                             pPixmap->devPrivate.ptr));
     }
 
-    offscreen = exaPixmapIsOffscreen(pPixmap);
+    has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
 
-    if (offscreen && pExaPixmap->fb_ptr)
+    if (has_gpu_copy && pExaPixmap->fb_ptr)
        pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr;
     else
        pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
@@ -332,7 +332,7 @@ ExaDoPrepareAccess(PixmapPtr pPixmap, int index)
     pExaScr->access[index].pixmap = pPixmap;
     pExaScr->access[index].count = 1;
 
-    if (!offscreen)
+    if (!has_gpu_copy)
        return FALSE;
 
     exaWaitSync (pScreen);
@@ -420,7 +420,7 @@ exaFinishAccess(DrawablePtr pDrawable, int index)
     if (pExaScr->finish_access)
        pExaScr->finish_access(pPixmap, index);
 
-    if (!pExaScr->info->FinishAccess || !exaPixmapIsOffscreen(pPixmap))
+    if (!pExaScr->info->FinishAccess || !exaPixmapHasGpuCopy(pPixmap))
        return;
 
     if (i >= EXA_PREPARE_AUX_DEST &&
@@ -969,7 +969,7 @@ exaDriverInit (ScreenPtr            pScreen,
                wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_mixed);
                wrap(pExaScr, pScreen, ModifyPixmapHeader, 
exaModifyPixmapHeader_mixed);
                pExaScr->do_migration = exaDoMigration_mixed;
-               pExaScr->pixmap_is_offscreen = exaPixmapIsOffscreen_mixed;
+               pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_mixed;
                pExaScr->do_move_in_pixmap = exaMoveInPixmap_mixed;
                pExaScr->do_move_out_pixmap = NULL;
                pExaScr->prepare_access_reg = exaPrepareAccessReg_mixed;
@@ -979,7 +979,7 @@ exaDriverInit (ScreenPtr            pScreen,
                wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_driver);
                wrap(pExaScr, pScreen, ModifyPixmapHeader, 
exaModifyPixmapHeader_driver);
                pExaScr->do_migration = NULL;
-               pExaScr->pixmap_is_offscreen = exaPixmapIsOffscreen_driver;
+               pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_driver;
                pExaScr->do_move_in_pixmap = NULL;
                pExaScr->do_move_out_pixmap = NULL;
                pExaScr->prepare_access_reg = NULL;
@@ -990,7 +990,7 @@ exaDriverInit (ScreenPtr            pScreen,
            wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_classic);
            wrap(pExaScr, pScreen, ModifyPixmapHeader, 
exaModifyPixmapHeader_classic);
            pExaScr->do_migration = exaDoMigration_classic;
-           pExaScr->pixmap_is_offscreen = exaPixmapIsOffscreen_classic;
+           pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_classic;
            pExaScr->do_move_in_pixmap = exaMoveInPixmap_classic;
            pExaScr->do_move_out_pixmap = exaMoveOutPixmap_classic;
            pExaScr->prepare_access_reg = exaPrepareAccessReg_classic;
diff --git a/exa/exa.h b/exa/exa.h
index 4b39473..8c93d15 100644
--- a/exa/exa.h
+++ b/exa/exa.h
@@ -624,13 +624,13 @@ typedef struct _ExaDriver {
 
     /**
      * PixmapIsOffscreen() is an optional driver replacement to
-     * exaPixmapIsOffscreen(). Set to NULL if you want the standard behaviour
-     * of exaPixmapIsOffscreen().
+     * exaPixmapHasGpuCopy(). Set to NULL if you want the standard behaviour
+     * of exaPixmapHasGpuCopy().
      *
      * @param pPix the pixmap
      * @return TRUE if the given drawable is in framebuffer memory.
      *
-     * exaPixmapIsOffscreen() is used to determine if a pixmap is in offscreen
+     * exaPixmapHasGpuCopy() is used to determine if a pixmap is in offscreen
      * memory, meaning that acceleration could probably be done to it, and 
that it
      * will need to be wrapped by PrepareAccess()/FinishAccess() when 
accessing it
      * with the CPU.
diff --git a/exa/exa_accel.c b/exa/exa_accel.c
index 3de7307..1d88acb 100644
--- a/exa/exa_accel.c
+++ b/exa/exa_accel.c
@@ -482,9 +482,9 @@ exaHWCopyNtoN (DrawablePtr    pSrcDrawable,
        goto fallback;
     }
 
-    if (exaPixmapIsOffscreen(pDstPixmap)) {
+    if (exaPixmapHasGpuCopy(pDstPixmap)) {
        /* Normal blitting. */
-       if (exaPixmapIsOffscreen(pSrcPixmap)) {
+       if (exaPixmapHasGpuCopy(pSrcPixmap)) {
            if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, reverse 
? -1 : 1,
                                                upsidedown ? -1 : 1,
                                                pGC ? pGC->alu : GXcopy,
@@ -840,7 +840,7 @@ exaPolyFillRect(DrawablePtr pDrawable,
        exaDoMigration (pixmaps, 1, TRUE);
     }
 
-    if (!exaPixmapIsOffscreen (pPixmap) ||
+    if (!exaPixmapHasGpuCopy (pPixmap) ||
        !(*pExaScr->info->PrepareSolid) (pPixmap,
                                         pGC->alu,
                                         pGC->planemask,
@@ -1022,7 +1022,7 @@ exaFillRegionSolid (DrawablePtr   pDrawable, RegionPtr 
pRegion, Pixel pixel,
        exaDoMigration (pixmaps, 1, TRUE);
     }
 
-    if (exaPixmapIsOffscreen (pPixmap) &&
+    if (exaPixmapHasGpuCopy (pPixmap) &&
        (*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel))
     {
        int nbox;
@@ -1125,7 +1125,7 @@ exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr 
pRegion, PixmapPtr pTile,
 
     pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
 
-    if (!pPixmap || !exaPixmapIsOffscreen(pTile))
+    if (!pPixmap || !exaPixmapHasGpuCopy(pTile))
        return FALSE;
 
     if ((*pExaScr->info->PrepareCopy) (pTile, pPixmap, 1, 1, alu, planemask))
diff --git a/exa/exa_classic.c b/exa/exa_classic.c
index 12f3987..c31e2d4 100644
--- a/exa/exa_classic.c
+++ b/exa/exa_classic.c
@@ -38,7 +38,7 @@ ExaGetPixmapAddress(PixmapPtr p)
 {
     ExaPixmapPriv(p);
 
-    if (pExaPixmap->offscreen && pExaPixmap->fb_ptr)
+    if (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr)
        return pExaPixmap->fb_ptr;
     else
        return pExaPixmap->sys_ptr;
@@ -90,7 +90,7 @@ exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int 
depth,
     pExaPixmap->sys_pitch = pPixmap->devKind;
 
     pPixmap->devPrivate.ptr = NULL;
-    pExaPixmap->offscreen = FALSE;
+    pExaPixmap->use_gpu_copy = FALSE;
 
     pExaPixmap->fb_ptr = NULL;
     exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
@@ -168,7 +168,7 @@ exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, 
int height, int dept
 
        /* Classic EXA:
         * - Framebuffer.
-        * - Scratch pixmap with offscreen memory.
+        * - Scratch pixmap with gpu memory.
         */
        if (pExaScr->info->memoryBase && pPixData) {
            if ((CARD8 *)pPixData >= pExaScr->info->memoryBase &&
@@ -176,7 +176,7 @@ exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, 
int height, int dept
                                pExaScr->info->memorySize) {
                pExaPixmap->fb_ptr = pPixData;
                pExaPixmap->fb_pitch = devKind;
-               pExaPixmap->offscreen = TRUE;
+               pExaPixmap->use_gpu_copy = TRUE;
            }
        }
 
@@ -189,7 +189,7 @@ exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, 
int height, int dept
         }
 
        /* Pixmaps subject to ModifyPixmapHeader will be pinned to system or
-        * offscreen memory, so there's no need to track damage.
+        * gpu memory, so there's no need to track damage.
         */
        if (pExaPixmap->pDamage) {
            DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
@@ -248,7 +248,7 @@ exaDestroyPixmap_classic (PixmapPtr pPixmap)
 }
 
 Bool
-exaPixmapIsOffscreen_classic(PixmapPtr pPixmap)
+exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap)
 {
     ScreenPtr pScreen = pPixmap->drawable.pScreen;
     ExaScreenPriv(pScreen);
@@ -260,7 +260,7 @@ exaPixmapIsOffscreen_classic(PixmapPtr pPixmap)
        ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
        pPixmap->devPrivate.ptr = NULL;
     } else
-       ret = (pExaPixmap->offscreen && pExaPixmap->fb_ptr);
+       ret = (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr);
 
     return ret;
 }
diff --git a/exa/exa_driver.c b/exa/exa_driver.c
index f55c300..dcf1a98 100644
--- a/exa/exa_driver.c
+++ b/exa/exa_driver.c
@@ -71,8 +71,8 @@ exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int 
depth,
 
     bpp = pPixmap->drawable.bitsPerPixel;
 
-    /* Set this before driver hooks, to allow for !offscreen pixmaps.
-     * !offscreen pixmaps have a valid pointer at all times.
+    /* Set this before driver hooks, to allow for driver pixmaps without gpu
+     * memory to back it. These pixmaps have a valid pointer at all times.
      */
     pPixmap->devPrivate.ptr = NULL;
 
@@ -157,8 +157,9 @@ exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, 
int height, int depth
        ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth,
                                                bitsPerPixel, devKind, 
pPixData);
        /* For EXA_HANDLES_PIXMAPS, we set pPixData to NULL.
-        * If pPixmap->devPrivate.ptr is non-NULL, then we've got a 
non-offscreen pixmap.
-        * We need to store the pointer, because PrepareAccess won't be called.
+        * If pPixmap->devPrivate.ptr is non-NULL, then we've got a
+        * !has_gpu_copy pixmap. We need to store the pointer,
+        * because PrepareAccess won't be called.
         */
        if (!pPixData && pPixmap->devPrivate.ptr && pPixmap->devKind) {
            pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr;
@@ -208,7 +209,7 @@ exaDestroyPixmap_driver (PixmapPtr pPixmap)
 }
 
 Bool
-exaPixmapIsOffscreen_driver(PixmapPtr pPixmap)
+exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap)
 {
     ScreenPtr pScreen = pPixmap->drawable.pScreen;
     ExaScreenPriv(pScreen);
diff --git a/exa/exa_glyphs.c b/exa/exa_glyphs.c
index 5a37004..4bc80eb 100644
--- a/exa/exa_glyphs.c
+++ b/exa/exa_glyphs.c
@@ -347,11 +347,11 @@ exaGlyphCacheHashRemove(ExaGlyphCachePtr cache,
 
 /* The most efficient thing to way to upload the glyph to the screen
  * is to use the UploadToScreen() driver hook; this allows us to
- * pipeline glyph uploads and to avoid creating offscreen pixmaps for
+ * pipeline glyph uploads and to avoid creating gpu backed pixmaps for
  * glyphs that we'll never use again.
  *
- * If we can't do it with UploadToScreen (because the glyph is offscreen, etc),
- * we fall back to CompositePicture.
+ * If we can't do it with UploadToScreen (because the glyph has a gpu copy,
+ * etc), we fall back to CompositePicture.
  *
  * We need to damage the cache pixmap manually in either case because the 
damage
  * layer unwrapped the picture screen before calling exaGlyphs.
@@ -374,7 +374,7 @@ exaGlyphCacheUploadGlyph(ScreenPtr         pScreen,
 
     /* If the glyph pixmap is already uploaded, no point in doing
      * things this way */
-    if (exaPixmapIsOffscreen(pGlyphPixmap))
+    if (exaPixmapHasGpuCopy(pGlyphPixmap))
        goto composite;
 
     /* UploadToScreen only works if bpp match */
@@ -384,7 +384,7 @@ exaGlyphCacheUploadGlyph(ScreenPtr         pScreen,
     if (pExaScr->do_migration) {
        ExaMigrationRec pixmaps[1];
 
-       /* cache pixmap must be offscreen. */
+       /* cache pixmap must have a gpu copy. */
        pixmaps[0].as_dst = TRUE;
        pixmaps[0].as_src = FALSE;
        pixmaps[0].pPix = pCachePixmap;
@@ -392,7 +392,7 @@ exaGlyphCacheUploadGlyph(ScreenPtr         pScreen,
        exaDoMigration (pixmaps, 1, TRUE);
     }
 
-    if (!exaPixmapIsOffscreen(pCachePixmap))
+    if (!exaPixmapHasGpuCopy(pCachePixmap))
        goto composite;
 
     /* x,y are in pixmap coordinates, no need for cache{X,Y}off */
diff --git a/exa/exa_migration_classic.c b/exa/exa_migration_classic.c
index 6d7b9f5..95189be 100644
--- a/exa/exa_migration_classic.c
+++ b/exa/exa_migration_classic.c
@@ -111,7 +111,7 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, 
RegionPtr pValidSrc,
     ExaPixmapPriv (pPixmap);
     RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
     RegionRec CopyReg;
-    Bool save_offscreen;
+    Bool save_use_gpu_copy;
     int save_pitch;
     BoxPtr pBox;
     int nbox;
@@ -119,7 +119,7 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, 
RegionPtr pValidSrc,
     Bool need_sync = FALSE;
 
     /* Damaged bits are valid in current copy but invalid in other one */
-    if (pExaPixmap->offscreen) {
+    if (pExaPixmap->use_gpu_copy) {
        REGION_UNION(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
                     damage);
        REGION_SUBTRACT(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
@@ -200,9 +200,9 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, 
RegionPtr pValidSrc,
     pBox = REGION_RECTS(&CopyReg);
     nbox = REGION_NUM_RECTS(&CopyReg);
 
-    save_offscreen = pExaPixmap->offscreen;
+    save_use_gpu_copy = pExaPixmap->use_gpu_copy;
     save_pitch = pPixmap->devKind;
-    pExaPixmap->offscreen = TRUE;
+    pExaPixmap->use_gpu_copy = TRUE;
     pPixmap->devKind = pExaPixmap->fb_pitch;
 
     while (nbox--) {
@@ -242,7 +242,7 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, 
RegionPtr pValidSrc,
        pBox++;
     }
 
-    pExaPixmap->offscreen = save_offscreen;
+    pExaPixmap->use_gpu_copy = save_use_gpu_copy;
     pPixmap->devKind = save_pitch;
 
     /* Try to prevent source valid region from growing too many rects by
@@ -351,7 +351,7 @@ exaDoMoveInPixmap (ExaMigrationPtr migrate)
 
     exaCopyDirtyToFb (migrate);
 
-    if (exaPixmapIsOffscreen(pPixmap))
+    if (exaPixmapHasGpuCopy(pPixmap))
        return;
 
     DBG_MIGRATE (("-> %p (0x%x) (%dx%d) (%c)\n", pPixmap,
@@ -361,7 +361,7 @@ exaDoMoveInPixmap (ExaMigrationPtr migrate)
                  pPixmap->drawable.height,
                  exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
 
-    pExaPixmap->offscreen = TRUE;
+    pExaPixmap->use_gpu_copy = TRUE;
 
     pPixmap->devKind = pExaPixmap->fb_pitch;
     pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
@@ -392,7 +392,7 @@ exaDoMoveOutPixmap (ExaMigrationPtr migrate)
 
     exaCopyDirtyToSys (migrate);
 
-    if (exaPixmapIsOffscreen(pPixmap)) {
+    if (exaPixmapHasGpuCopy(pPixmap)) {
 
        DBG_MIGRATE (("<- %p (%p) (%dx%d) (%c)\n", pPixmap,
                      (void*)(ExaGetPixmapPriv(pPixmap)->area ?
@@ -401,7 +401,7 @@ exaDoMoveOutPixmap (ExaMigrationPtr migrate)
                      pPixmap->drawable.height,
                      exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
 
-       pExaPixmap->offscreen = FALSE;
+       pExaPixmap->use_gpu_copy = FALSE;
 
        pPixmap->devKind = pExaPixmap->sys_pitch;
        pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
@@ -468,12 +468,12 @@ exaMigrateTowardFb (ExaMigrationPtr migrate)
        pExaPixmap->score++;
 
     if (pExaPixmap->score >= EXA_PIXMAP_SCORE_MOVE_IN &&
-       !exaPixmapIsOffscreen(pPixmap))
+       !exaPixmapHasGpuCopy(pPixmap))
     {
        exaDoMoveInPixmap(migrate);
     }
 
-    if (exaPixmapIsOffscreen(pPixmap)) {
+    if (exaPixmapHasGpuCopy(pPixmap)) {
        exaCopyDirtyToFb (migrate);
        ExaOffscreenMarkUsed (pPixmap);
     } else
@@ -504,7 +504,7 @@ exaMigrateTowardSys (ExaMigrationPtr migrate)
     if (pExaPixmap->score <= EXA_PIXMAP_SCORE_MOVE_OUT && pExaPixmap->area)
        exaDoMoveOutPixmap(migrate);
 
-    if (exaPixmapIsOffscreen(pPixmap)) {
+    if (exaPixmapHasGpuCopy(pPixmap)) {
        exaCopyDirtyToFb (migrate);
        ExaOffscreenMarkUsed (pPixmap);
     } else
@@ -523,7 +523,7 @@ exaAssertNotDirty (PixmapPtr pPixmap)
     RegionRec ValidReg;
     int dst_pitch, src_pitch, cpp, y, nbox, save_pitch;
     BoxPtr pBox;
-    Bool ret = TRUE, save_offscreen;
+    Bool ret = TRUE, save_use_gpu_copy;
 
     if (exaPixmapIsPinned(pPixmap) || pExaPixmap->area == NULL)
        return ret;
@@ -542,9 +542,9 @@ exaAssertNotDirty (PixmapPtr pPixmap)
     src_pitch = pExaPixmap->fb_pitch;
     cpp = pPixmap->drawable.bitsPerPixel / 8;
 
-    save_offscreen = pExaPixmap->offscreen;
+    save_use_gpu_copy = pExaPixmap->use_gpu_copy;
     save_pitch = pPixmap->devKind;
-    pExaPixmap->offscreen = TRUE;
+    pExaPixmap->use_gpu_copy = TRUE;
     pPixmap->devKind = pExaPixmap->fb_pitch;
 
     if (!ExaDoPrepareAccess(pPixmap, EXA_PREPARE_SRC))
@@ -579,7 +579,7 @@ exaAssertNotDirty (PixmapPtr pPixmap)
 skip:
     exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
 
-    pExaPixmap->offscreen = save_offscreen;
+    pExaPixmap->use_gpu_copy = save_use_gpu_copy;
     pPixmap->devKind = save_pitch;
 
 out:
@@ -618,7 +618,7 @@ exaDoMigration_classic (ExaMigrationPtr pixmaps, int 
npixmaps, Bool can_accel)
      */
     for (i = 0; i < npixmaps; i++) {
        if (exaPixmapIsPinned (pixmaps[i].pPix) &&
-           !exaPixmapIsOffscreen (pixmaps[i].pPix))
+           !exaPixmapHasGpuCopy (pixmaps[i].pPix))
        {
            EXA_FALLBACK(("Pixmap %p (%dx%d) pinned in sys\n", pixmaps[i].pPix,
                      pixmaps[i].pPix->drawable.width,
@@ -680,7 +680,7 @@ exaDoMigration_classic (ExaMigrationPtr pixmaps, int 
npixmaps, Bool can_accel)
        }
 
        for (i = 0; i < npixmaps; i++) {
-           if (exaPixmapIsOffscreen(pixmaps[i].pPix)) {
+           if (exaPixmapHasGpuCopy(pixmaps[i].pPix)) {
                /* Found one in FB, so move all to FB. */
                for (j = 0; j < npixmaps; j++)
                    exaMigrateTowardFb(pixmaps + i);
@@ -709,12 +709,12 @@ exaDoMigration_classic (ExaMigrationPtr pixmaps, int 
npixmaps, Bool can_accel)
 
        /* If we couldn't fit everything in, abort */
        for (i = 0; i < npixmaps; i++) {
-           if (!exaPixmapIsOffscreen(pixmaps[i].pPix)) {
+           if (!exaPixmapHasGpuCopy(pixmaps[i].pPix)) {
                return;
            }
        }
 
-       /* Yay, everything's offscreen, mark memory as used */
+       /* Yay, everything has a gpu copy, mark memory as used */
        for (i = 0; i < npixmaps; i++) {
            ExaOffscreenMarkUsed (pixmaps[i].pPix);
        }
diff --git a/exa/exa_migration_mixed.c b/exa/exa_migration_mixed.c
index ea6f878..a7fdf63 100644
--- a/exa/exa_migration_mixed.c
+++ b/exa/exa_migration_mixed.c
@@ -80,7 +80,7 @@ exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, 
Bool can_accel)
      */
     for (i = 0; i < npixmaps; i++) {
        if (exaPixmapIsPinned (pixmaps[i].pPix) &&
-           !exaPixmapIsOffscreen (pixmaps[i].pPix))
+           !exaPixmapHasGpuCopy (pixmaps[i].pPix))
        {
            can_accel = FALSE;
            break;
@@ -98,7 +98,7 @@ exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, 
Bool can_accel)
        if (!pExaPixmap->driverPriv)
            exaCreateDriverPixmap_mixed(pPixmap);
 
-       if (pExaPixmap->pDamage && exaPixmapIsOffscreen(pPixmap)) {
+       if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
            ExaScreenPriv(pPixmap->drawable.pScreen);
 
            pPixmap->devKind = pExaPixmap->fb_pitch;
@@ -108,7 +108,7 @@ exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, 
Bool can_accel)
                pExaScr->deferred_mixed_pixmap = NULL;
        }
 
-       pExaPixmap->offscreen = exaPixmapIsOffscreen(pPixmap);
+       pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
     }
 }
 
@@ -135,7 +135,7 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, 
RegionPtr pReg)
 {
     if (!ExaDoPrepareAccess(pPixmap, index)) {
        ExaPixmapPriv(pPixmap);
-       Bool is_offscreen = exaPixmapIsOffscreen(pPixmap);
+       Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
        ExaMigrationRec pixmaps[1];
 
        /* Do we need to allocate our system buffer? */
@@ -157,7 +157,8 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, 
RegionPtr pReg)
        pixmaps[0].pPix = pPixmap;
        pixmaps[0].pReg = pReg;
 
-       if (!pExaPixmap->pDamage && (is_offscreen || 
!exaPixmapIsPinned(pPixmap))) {
+       if (!pExaPixmap->pDamage &&
+               (has_gpu_copy || !exaPixmapIsPinned(pPixmap))) {
            Bool as_dst = pixmaps[0].as_dst;
 
            /* Set up damage tracking */
@@ -170,7 +171,7 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, 
RegionPtr pReg)
            /* This is used by exa to optimize migration. */
            DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE);
 
-           if (is_offscreen) {
+           if (has_gpu_copy) {
                exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
                               pPixmap->drawable.height);
 
@@ -189,14 +190,14 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, 
RegionPtr pReg)
            if (as_dst)
                exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
                               pPixmap->drawable.height);
-       } else if (is_offscreen) {
+       } else if (has_gpu_copy) {
            pPixmap->devKind = pExaPixmap->fb_pitch;
            exaCopyDirtyToSys(pixmaps);
        }
 
        pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
        pPixmap->devKind = pExaPixmap->sys_pitch;
-       pExaPixmap->offscreen = FALSE;
+       pExaPixmap->use_gpu_copy = FALSE;
     }
 }
 
@@ -210,8 +211,8 @@ void exaFinishAccess_mixed(PixmapPtr pPixmap, int index)
 {
     ExaPixmapPriv(pPixmap);
 
-    if (pExaPixmap->pDamage && !pExaPixmap->offscreen &&
-           exaPixmapIsOffscreen(pPixmap)){
+    if (pExaPixmap->pDamage && !pExaPixmap->use_gpu_copy &&
+           exaPixmapHasGpuCopy(pPixmap)) {
        DamageRegionProcessPending(&pPixmap->drawable);
 
        if (index == EXA_PREPARE_DEST || index == EXA_PREPARE_AUX_DEST) {
diff --git a/exa/exa_mixed.c b/exa/exa_mixed.c
index bbbf1af..764c7dd 100644
--- a/exa/exa_mixed.c
+++ b/exa/exa_mixed.c
@@ -93,9 +93,9 @@ exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int 
depth,
     /* A scratch pixmap will become a driver pixmap right away. */
     if (!w || !h) {
        exaCreateDriverPixmap_mixed(pPixmap);
-       pExaPixmap->offscreen = exaPixmapIsOffscreen(pPixmap);
+       pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
     } else
-       pExaPixmap->offscreen = FALSE;
+       pExaPixmap->use_gpu_copy = FALSE;
 
     /* During a fallback we must prepare access. */
     if (pExaScr->fallback_counter)
@@ -111,7 +111,7 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, 
int height, int depth,
     ScreenPtr pScreen = pPixmap->drawable.pScreen;
     ExaScreenPrivPtr pExaScr;
     ExaPixmapPrivPtr pExaPixmap;
-    Bool ret, is_offscreen;
+    Bool ret, has_gpu_copy;
 
     if (!pPixmap)
         return FALSE;
@@ -131,7 +131,7 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, 
int height, int depth,
            pExaPixmap->driverPriv = NULL;
        }
 
-       pExaPixmap->offscreen = FALSE;
+       pExaPixmap->use_gpu_copy = FALSE;
        pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
     }
 
@@ -145,8 +145,8 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, 
int height, int depth,
         }
     }
 
-    is_offscreen = exaPixmapIsOffscreen(pPixmap);
-    if (is_offscreen) {
+    has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+    if (has_gpu_copy) {
        pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr;
        pPixmap->devKind = pExaPixmap->fb_pitch;
     } else {
@@ -168,7 +168,7 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, 
int height, int depth,
     swap(pExaScr, pScreen, ModifyPixmapHeader);
 
 out:
-    if (is_offscreen) {
+    if (has_gpu_copy) {
        pExaPixmap->fb_ptr = pPixmap->devPrivate.ptr;
        pExaPixmap->fb_pitch = pPixmap->devKind;
     } else {
@@ -219,7 +219,7 @@ exaDestroyPixmap_mixed(PixmapPtr pPixmap)
 }
 
 Bool
-exaPixmapIsOffscreen_mixed(PixmapPtr pPixmap)
+exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap)
 {
     ScreenPtr pScreen = pPixmap->drawable.pScreen;
     ExaScreenPriv(pScreen);
diff --git a/exa/exa_offscreen.c b/exa/exa_offscreen.c
index eb53b2a..acdf439 100644
--- a/exa/exa_offscreen.c
+++ b/exa/exa_offscreen.c
@@ -522,7 +522,7 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
        return NULL;
 
     pExaDstPix = ExaGetPixmapPriv (pDstPix);
-    pExaDstPix->offscreen = TRUE;
+    pExaDstPix->use_gpu_copy = TRUE;
 
     for (area = pExaScr->info->offScreenAreas->prev;
         area != pExaScr->info->offScreenAreas;
@@ -531,7 +531,7 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
        ExaOffscreenArea *prev = area->prev;
        PixmapPtr pSrcPix;
        ExaPixmapPrivPtr pExaSrcPix;
-       Bool save_offscreen;
+       Bool save_use_gpu_copy;
        int save_pitch;
 
        if (area->state != ExaOffscreenAvail ||
@@ -576,10 +576,10 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
            continue;
        }
 
-       save_offscreen = pExaSrcPix->offscreen;
+       save_use_gpu_copy = pExaSrcPix->use_gpu_copy;
        save_pitch = pSrcPix->devKind;
 
-       pExaSrcPix->offscreen = TRUE;
+       pExaSrcPix->use_gpu_copy = TRUE;
        pSrcPix->devKind = pExaSrcPix->fb_pitch;
 
        pDstPix->drawable.width = pSrcPix->drawable.width;
@@ -589,7 +589,7 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
        pDstPix->drawable.bitsPerPixel = pSrcPix->drawable.bitsPerPixel;
 
        if (!pExaScr->info->PrepareCopy (pSrcPix, pDstPix, -1, -1, GXcopy, ~0)) 
{
-           pExaSrcPix->offscreen = save_offscreen;
+           pExaSrcPix->use_gpu_copy = save_use_gpu_copy;
            pSrcPix->devKind = save_pitch;
            area = prev;
            continue;
@@ -646,7 +646,7 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
 #endif
 
        pExaSrcPix->fb_ptr = pExaDstPix->fb_ptr;
-       pExaSrcPix->offscreen = save_offscreen;
+       pExaSrcPix->use_gpu_copy = save_use_gpu_copy;
        pSrcPix->devKind = save_pitch;
     }
 
diff --git a/exa/exa_priv.h b/exa/exa_priv.h
index 5764bb4..69c0d24 100644
--- a/exa/exa_priv.h
+++ b/exa/exa_priv.h
@@ -173,7 +173,7 @@ typedef struct {
     AddTrapsProcPtr             SavedAddTraps;
 #endif
     void (*do_migration) (ExaMigrationPtr pixmaps, int npixmaps, Bool 
can_accel);
-    Bool (*pixmap_is_offscreen) (PixmapPtr pPixmap);
+    Bool (*pixmap_has_gpu_copy) (PixmapPtr pPixmap);
     void (*do_move_in_pixmap) (PixmapPtr pPixmap);
     void (*do_move_out_pixmap) (PixmapPtr pPixmap);
     void (*prepare_access_reg)(PixmapPtr pPixmap, int index, RegionPtr pReg);
@@ -283,7 +283,7 @@ extern DevPrivateKey exaGCPrivateKey;
 typedef struct {
     ExaOffscreenArea *area;
     int                    score;      /**< score for the move-in vs move-out 
heuristic */
-    Bool           offscreen;
+    Bool           use_gpu_copy;
 
     CARD8          *sys_ptr;   /**< pointer to pixmap data in system memory */
     int                    sys_pitch;  /**< pitch of pixmap in system memory */
@@ -539,7 +539,7 @@ exaGetDrawableDeltas (DrawablePtr pDrawable, PixmapPtr 
pPixmap,
                      int *xp, int *yp);
 
 Bool
-exaPixmapIsOffscreen(PixmapPtr p);
+exaPixmapHasGpuCopy(PixmapPtr p);
 
 PixmapPtr
 exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp);
@@ -576,7 +576,7 @@ Bool
 exaDestroyPixmap_classic (PixmapPtr pPixmap);
 
 Bool
-exaPixmapIsOffscreen_classic(PixmapPtr pPixmap);
+exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap);
 
 /* exa_driver.c */
 PixmapPtr
@@ -591,7 +591,7 @@ Bool
 exaDestroyPixmap_driver (PixmapPtr pPixmap);
 
 Bool
-exaPixmapIsOffscreen_driver(PixmapPtr pPixmap);
+exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap);
 
 /* exa_mixed.c */
 PixmapPtr
@@ -606,7 +606,7 @@ Bool
 exaDestroyPixmap_mixed(PixmapPtr pPixmap);
 
 Bool
-exaPixmapIsOffscreen_mixed(PixmapPtr pPixmap);
+exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap);
 
 /* exa_migration_mixed.c */
 void
diff --git a/exa/exa_render.c b/exa/exa_render.c
index db355d6..1b68e1c 100644
--- a/exa/exa_render.c
+++ b/exa/exa_render.c
@@ -320,7 +320,7 @@ exaTryDriverSolidFill(PicturePtr    pSrc,
        exaDoMigration(pixmaps, 1, TRUE);
     }
 
-    if (!exaPixmapIsOffscreen(pDstPix)) {
+    if (!exaPixmapHasGpuCopy(pDstPix)) {
        REGION_UNINIT(pDst->pDrawable->pScreen, &region);
        return 0;
     }
@@ -540,7 +540,7 @@ exaCompositeRects(CARD8                   op,
        /* We have to manage the damage ourselves, since CompositeRects isn't
         * something in the screen that can be managed by the damage extension,
         * and EXA depends on damage to track what needs to be migrated between
-        * offscreen and onscreen.
+        * the gpu and the cpu.
         */
 
        /* Compute the overall extents of the composited region - we're making
@@ -752,7 +752,7 @@ exaTryDriverComposite(CARD8         op,
        }
     }
 
-    if (!exaPixmapIsOffscreen(pDstPix)) {
+    if (!exaPixmapHasGpuCopy(pDstPix)) {
        REGION_UNINIT(pDst->pDrawable->pScreen, &region);
        return 0;
     }
-- 
1.6.5.3

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