Switched to xorg-server-1.6.99.900.tar.gz

1 files changed, 194 insertions, 0 deletions

diff --git a/xorg-server/exa/exa_migration_mixed.c b/xorg-server/exa/exa_migration_mixed.c
new file mode 100644
index 000000000..d1ee9871b
--- /dev/null
+++ b/xorg-server/exa/exa_migration_mixed.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright © 2009 Maarten Maathuis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "exa_priv.h"
+#include "exa.h"
+
+static void
+exaUploadFallback(PixmapPtr pPixmap, CARD8 *src, int src_pitch)
+{
+    ExaPixmapPriv(pPixmap);
+    RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
+    GCPtr pGC = GetScratchGC (pPixmap->drawable.depth,
+		pPixmap->drawable.pScreen);
+    int nbox, cpp = pPixmap->drawable.bitsPerPixel / 8;
+    DamagePtr backup = pExaPixmap->pDamage;
+    BoxPtr pbox;
+    CARD8 *src2;
+
+    /* We don't want damage optimisations. */
+    pExaPixmap->pDamage = NULL;
+    ValidateGC (&pPixmap->drawable, pGC);
+
+    pbox = REGION_RECTS(damage);
+    nbox = REGION_NUM_RECTS(damage);
+
+    while (nbox--) {
+	src2 = src + pbox->y1 * src_pitch + pbox->x1 * cpp;
+
+	ExaCheckPutImage(&pPixmap->drawable, pGC,
+	    pPixmap->drawable.depth, pbox->x1, pbox->y1,
+	    pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, 0,
+	    ZPixmap, (char*) src2);
+
+	pbox++;
+    }
+
+    FreeScratchGC (pGC);
+    pExaPixmap->pDamage = backup;
+}
+
+void
+exaCreateDriverPixmap_mixed(PixmapPtr pPixmap)
+{
+    ScreenPtr pScreen = pPixmap->drawable.pScreen;
+    ExaScreenPriv(pScreen);
+    ExaPixmapPriv(pPixmap);
+    RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
+    void *sys_buffer = pExaPixmap->sys_ptr;
+    int w = pPixmap->drawable.width, h = pPixmap->drawable.height;
+    int depth = pPixmap->drawable.depth, bpp = pPixmap->drawable.bitsPerPixel;
+    int usage_hint = pPixmap->usage_hint;
+    int sys_pitch = pExaPixmap->sys_pitch;
+    int paddedWidth = sys_pitch;
+    int nbox;
+    BoxPtr pbox;
+
+    /* Already done. */
+    if (pExaPixmap->driverPriv)
+	return;
+
+    if (exaPixmapIsPinned(pPixmap))
+	return;
+
+    /* Can't accel 1/4 bpp. */
+    if (pExaPixmap->accel_blocked || bpp < 8)
+	return;
+
+    if (pExaScr->info->CreatePixmap2) {
+	int new_pitch = 0;
+        pExaPixmap->driverPriv = pExaScr->info->CreatePixmap2(pScreen, w, h, depth, usage_hint, bpp, &new_pitch);
+	paddedWidth = pExaPixmap->fb_pitch = new_pitch;
+    } else {
+	if (paddedWidth < pExaPixmap->fb_pitch)
+	    paddedWidth = pExaPixmap->fb_pitch;
+	pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, paddedWidth*h, 0);
+    }
+
+    if (!pExaPixmap->driverPriv)
+	return;
+
+    pExaPixmap->offscreen = TRUE;
+    pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr = NULL;
+    pExaPixmap->sys_pitch = pPixmap->devKind = 0;
+
+    pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
+    (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
+				paddedWidth, NULL);
+
+    /* scratch pixmaps */
+    if (!w || !h)
+	goto finish;
+
+    /* we do not malloc memory by default. */
+    if (!sys_buffer)
+	goto finish;
+
+    if (!pExaScr->info->UploadToScreen)
+	goto fallback;
+
+    pbox = REGION_RECTS(damage);
+    nbox = REGION_NUM_RECTS(damage);
+
+    while (nbox--) {
+	if (!pExaScr->info->UploadToScreen(pPixmap, pbox->x1, pbox->y1, pbox->x2 - pbox->x1,
+		pbox->y2 - pbox->y1, (char *) (sys_buffer) + pbox->y1 * sys_pitch + pbox->x1 * (bpp / 8), sys_pitch))
+	    goto fallback;
+
+	pbox++;
+    }
+
+    goto finish;
+
+fallback:
+    exaUploadFallback(pPixmap, sys_buffer, sys_pitch);
+
+finish:
+    free(sys_buffer);
+
+    /* We no longer need this. */
+    if (pExaPixmap->pDamage) {
+	DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+	DamageDestroy(pExaPixmap->pDamage);
+	pExaPixmap->pDamage = NULL;
+    }
+}
+
+void
+exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
+{
+    int i;
+
+    /* If anything is pinned in system memory, we won't be able to
+     * accelerate.
+     */
+    for (i = 0; i < npixmaps; i++) {
+	if (exaPixmapIsPinned (pixmaps[i].pPix) &&
+	    !exaPixmapIsOffscreen (pixmaps[i].pPix))
+	{
+	    can_accel = FALSE;
+	    break;
+	}
+    }
+
+    /* We can do nothing. */
+    if (!can_accel)
+	return;
+
+    for (i = 0; i < npixmaps; i++) {
+	PixmapPtr pPixmap = pixmaps[i].pPix;
+	ExaPixmapPriv(pPixmap);
+	if (!pExaPixmap->driverPriv)
+	    exaCreateDriverPixmap_mixed(pPixmap);
+    }
+}
+
+void
+exaMoveInPixmap_mixed(PixmapPtr pPixmap)
+{
+    ExaMigrationRec pixmaps[1];
+
+    pixmaps[0].as_dst = FALSE;
+    pixmaps[0].as_src = TRUE;
+    pixmaps[0].pPix = pPixmap;
+    pixmaps[0].pReg = NULL;
+
+    exaDoMigration(pixmaps, 1, TRUE);
+}