Signed-off-by: Maarten Maathuis <[email protected]>
---
 exa/exa.c                   |    8 ++++----
 exa/exa_classic.c           |    4 ++--
 exa/exa_driver.c            |    9 +++++----
 exa/exa_glyphs.c            |    8 ++++----
 exa/exa_migration_classic.c |   14 +++++++-------
 exa/exa_migration_mixed.c   |    9 +++++----
 exa/exa_mixed.c             |    8 ++++----
 exa/exa_offscreen.c         |    8 ++++----
 exa/exa_render.c            |    2 +-
 9 files changed, 36 insertions(+), 34 deletions(-)

diff --git a/exa/exa.c b/exa/exa.c
index 2aa0d01..023288c 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -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 = exaPixmapHasGpuCopy(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);
diff --git a/exa/exa_classic.c b/exa/exa_classic.c
index fee3fde..c31e2d4 100644
--- a/exa/exa_classic.c
+++ b/exa/exa_classic.c
@@ -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 &&
@@ -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);
diff --git a/exa/exa_driver.c b/exa/exa_driver.c
index 6b80763..c721b7c 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;
diff --git a/exa/exa_glyphs.c b/exa/exa_glyphs.c
index 1f8e73b..4f406c7 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.
@@ -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;
diff --git a/exa/exa_migration_classic.c b/exa/exa_migration_classic.c
index 0226a2d..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;
@@ -200,7 +200,7 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, 
RegionPtr pValidSrc,
     pBox = REGION_RECTS(&CopyReg);
     nbox = REGION_NUM_RECTS(&CopyReg);
 
-    save_offscreen = pExaPixmap->use_gpu_copy;
+    save_use_gpu_copy = pExaPixmap->use_gpu_copy;
     save_pitch = pPixmap->devKind;
     pExaPixmap->use_gpu_copy = TRUE;
     pPixmap->devKind = pExaPixmap->fb_pitch;
@@ -242,7 +242,7 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, 
RegionPtr pValidSrc,
        pBox++;
     }
 
-    pExaPixmap->use_gpu_copy = 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
@@ -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;
@@ -542,7 +542,7 @@ exaAssertNotDirty (PixmapPtr pPixmap)
     src_pitch = pExaPixmap->fb_pitch;
     cpp = pPixmap->drawable.bitsPerPixel / 8;
 
-    save_offscreen = pExaPixmap->use_gpu_copy;
+    save_use_gpu_copy = pExaPixmap->use_gpu_copy;
     save_pitch = pPixmap->devKind;
     pExaPixmap->use_gpu_copy = TRUE;
     pPixmap->devKind = pExaPixmap->fb_pitch;
@@ -579,7 +579,7 @@ exaAssertNotDirty (PixmapPtr pPixmap)
 skip:
     exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
 
-    pExaPixmap->use_gpu_copy = save_offscreen;
+    pExaPixmap->use_gpu_copy = save_use_gpu_copy;
     pPixmap->devKind = save_pitch;
 
 out:
@@ -714,7 +714,7 @@ exaDoMigration_classic (ExaMigrationPtr pixmaps, int 
npixmaps, Bool can_accel)
            }
        }
 
-       /* 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 9349ba9..8b01418 100644
--- a/exa/exa_migration_mixed.c
+++ b/exa/exa_migration_mixed.c
@@ -139,7 +139,7 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, 
RegionPtr pReg)
     ExaPixmapPriv(pPixmap);
 
     if (!ExaDoPrepareAccess(pPixmap, index)) {
-       Bool is_offscreen = exaPixmapHasGpuCopy(pPixmap);
+       Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
        ExaMigrationRec pixmaps[1];
 
        /* Do we need to allocate our system buffer? */
@@ -161,7 +161,8 @@ 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 */
@@ -174,7 +175,7 @@ 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);
 
@@ -193,7 +194,7 @@ 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);
        }
diff --git a/exa/exa_mixed.c b/exa/exa_mixed.c
index 9bdac5f..764c7dd 100644
--- a/exa/exa_mixed.c
+++ b/exa/exa_mixed.c
@@ -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;
@@ -145,8 +145,8 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, 
int height, int depth,
         }
     }
 
-    is_offscreen = exaPixmapHasGpuCopy(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 {
diff --git a/exa/exa_offscreen.c b/exa/exa_offscreen.c
index f8a2f39..acdf439 100644
--- a/exa/exa_offscreen.c
+++ b/exa/exa_offscreen.c
@@ -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 ||
@@ -576,7 +576,7 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
            continue;
        }
 
-       save_offscreen = pExaSrcPix->use_gpu_copy;
+       save_use_gpu_copy = pExaSrcPix->use_gpu_copy;
        save_pitch = pSrcPix->devKind;
 
        pExaSrcPix->use_gpu_copy = TRUE;
@@ -589,7 +589,7 @@ ExaOffscreenDefragment (ScreenPtr pScreen)
        pDstPix->drawable.bitsPerPixel = pSrcPix->drawable.bitsPerPixel;
 
        if (!pExaScr->info->PrepareCopy (pSrcPix, pDstPix, -1, -1, GXcopy, ~0)) 
{
-           pExaSrcPix->use_gpu_copy = 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->use_gpu_copy = save_offscreen;
+       pExaSrcPix->use_gpu_copy = save_use_gpu_copy;
        pSrcPix->devKind = save_pitch;
     }
 
diff --git a/exa/exa_render.c b/exa/exa_render.c
index 3cbe60b..1b68e1c 100644
--- a/exa/exa_render.c
+++ b/exa/exa_render.c
@@ -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
-- 
1.6.5.2

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