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-rw-r--r--xorg-server/exa/exa_accel.c2
-rw-r--r--xorg-server/exa/exa_migration_classic.c1490
-rw-r--r--xorg-server/exa/exa_unaccel.c1480
-rw-r--r--xorg-server/exa/makefile14
4 files changed, 1500 insertions, 1486 deletions
diff --git a/xorg-server/exa/exa_accel.c b/xorg-server/exa/exa_accel.c
index e30ddce74..47f955da5 100644
--- a/xorg-server/exa/exa_accel.c
+++ b/xorg-server/exa/exa_accel.c
@@ -243,7 +243,7 @@ exaPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
bits);
}
-static Bool inline
+static Bool __inline
exaCopyNtoNTwoDir (DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy)
{
diff --git a/xorg-server/exa/exa_migration_classic.c b/xorg-server/exa/exa_migration_classic.c
index 871679ffc..9e1626c69 100644
--- a/xorg-server/exa/exa_migration_classic.c
+++ b/xorg-server/exa/exa_migration_classic.c
@@ -1,745 +1,745 @@
-/*
- * Copyright © 2006 Intel Corporation
- *
- * 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.
- *
- * Authors:
- * Eric Anholt <eric@anholt.net>
- * Michel Dänzer <michel@tungstengraphics.com>
- *
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include "exa_priv.h"
-#include "exa.h"
-
-#if DEBUG_MIGRATE
-#define DBG_MIGRATE(a) ErrorF a
-#else
-#define DBG_MIGRATE(a)
-#endif
-
-/**
- * The fallback path for UTS/DFS failing is to just memcpy. exaCopyDirtyToSys
- * and exaCopyDirtyToFb both needed to do this loop.
- */
-static void
-exaMemcpyBox (PixmapPtr pPixmap, BoxPtr pbox, CARD8 *src, int src_pitch,
- CARD8 *dst, int dst_pitch)
- {
- int i, cpp = pPixmap->drawable.bitsPerPixel / 8;
- int bytes = (pbox->x2 - pbox->x1) * cpp;
-
- src += pbox->y1 * src_pitch + pbox->x1 * cpp;
- dst += pbox->y1 * dst_pitch + pbox->x1 * cpp;
-
- for (i = pbox->y2 - pbox->y1; i; i--) {
- memcpy (dst, src, bytes);
- src += src_pitch;
- dst += dst_pitch;
- }
-}
-
-/**
- * Returns TRUE if the pixmap is dirty (has been modified in its current
- * location compared to the other), or lacks a private for tracking
- * dirtiness.
- */
-static Bool
-exaPixmapIsDirty (PixmapPtr pPix)
-{
- ExaPixmapPriv (pPix);
-
- if (pExaPixmap == NULL)
- EXA_FatalErrorDebugWithRet(("EXA bug: exaPixmapIsDirty was called on a non-exa pixmap.\n"), TRUE);
-
- if (!pExaPixmap->pDamage)
- return FALSE;
-
- return REGION_NOTEMPTY (pScreen, DamageRegion(pExaPixmap->pDamage)) ||
- !REGION_EQUAL(pScreen, &pExaPixmap->validSys, &pExaPixmap->validFB);
-}
-
-/**
- * Returns TRUE if the pixmap is either pinned in FB, or has a sufficient score
- * to be considered "should be in framebuffer". That's just anything that has
- * had more acceleration than fallbacks, or has no score yet.
- *
- * Only valid if using a migration scheme that tracks score.
- */
-static Bool
-exaPixmapShouldBeInFB (PixmapPtr pPix)
-{
- ExaPixmapPriv (pPix);
-
- if (exaPixmapIsPinned (pPix))
- return TRUE;
-
- return pExaPixmap->score >= 0;
-}
-
-/**
- * If the pixmap is currently dirty, this copies at least the dirty area from
- * FB to system or vice versa. Both areas must be allocated.
- */
-static void
-exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, RegionPtr pValidSrc,
- Bool (*transfer) (PixmapPtr pPix, int x, int y, int w, int h,
- char *sys, int sys_pitch), int fallback_index,
- void (*sync) (ScreenPtr pScreen))
-{
- PixmapPtr pPixmap = migrate->pPix;
- ExaPixmapPriv (pPixmap);
- RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
- RegionRec CopyReg;
- Bool save_use_gpu_copy;
- int save_pitch;
- BoxPtr pBox;
- int nbox;
- Bool access_prepared = FALSE;
- Bool need_sync = FALSE;
-
- /* Damaged bits are valid in current copy but invalid in other one */
- if (pExaPixmap->use_gpu_copy) {
- REGION_UNION(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
- damage);
- REGION_SUBTRACT(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
- damage);
- } else {
- REGION_UNION(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
- damage);
- REGION_SUBTRACT(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
- damage);
- }
-
- REGION_EMPTY(pScreen, damage);
-
- /* Copy bits valid in source but not in destination */
- REGION_NULL(pScreen, &CopyReg);
- REGION_SUBTRACT(pScreen, &CopyReg, pValidSrc, pValidDst);
-
- if (migrate->as_dst) {
- ExaScreenPriv (pPixmap->drawable.pScreen);
-
- /* XXX: The pending damage region will be marked as damaged after the
- * operation, so it should serve as an upper bound for the region that
- * needs to be synchronized for the operation. Unfortunately, this
- * causes corruption in some cases, e.g. when starting compiz. See
- * https://bugs.freedesktop.org/show_bug.cgi?id=12916 .
- */
- if (pExaScr->optimize_migration) {
- RegionPtr pending_damage = DamagePendingRegion(pExaPixmap->pDamage);
-
-#if DEBUG_MIGRATE
- if (REGION_NIL(pending_damage)) {
- static Bool firsttime = TRUE;
-
- if (firsttime) {
- ErrorF("%s: Pending damage region empty!\n", __func__);
- firsttime = FALSE;
- }
- }
-#endif
-
- /* Try to prevent destination valid region from growing too many
- * rects by filling it up to the extents of the union of the
- * destination valid region and the pending damage region.
- */
- if (REGION_NUM_RECTS(pValidDst) > 10) {
- BoxRec box;
- BoxPtr pValidExt, pDamageExt;
- RegionRec closure;
-
- pValidExt = REGION_EXTENTS(pScreen, pValidDst);
- pDamageExt = REGION_EXTENTS(pScreen, pending_damage);
-
- box.x1 = min(pValidExt->x1, pDamageExt->x1);
- box.y1 = min(pValidExt->y1, pDamageExt->y1);
- box.x2 = max(pValidExt->x2, pDamageExt->x2);
- box.y2 = max(pValidExt->y2, pDamageExt->y2);
-
- REGION_INIT(pScreen, &closure, &box, 0);
- REGION_INTERSECT(pScreen, &CopyReg, &CopyReg, &closure);
- } else
- REGION_INTERSECT(pScreen, &CopyReg, &CopyReg, pending_damage);
- }
-
- /* The caller may provide a region to be subtracted from the calculated
- * dirty region. This is to avoid migration of bits that don't
- * contribute to the result of the operation.
- */
- if (migrate->pReg)
- REGION_SUBTRACT(pScreen, &CopyReg, &CopyReg, migrate->pReg);
- } else {
- /* The caller may restrict the region to be migrated for source pixmaps
- * to what's relevant for the operation.
- */
- if (migrate->pReg)
- REGION_INTERSECT(pScreen, &CopyReg, &CopyReg, migrate->pReg);
- }
-
- pBox = REGION_RECTS(&CopyReg);
- nbox = REGION_NUM_RECTS(&CopyReg);
-
- save_use_gpu_copy = pExaPixmap->use_gpu_copy;
- save_pitch = pPixmap->devKind;
- pExaPixmap->use_gpu_copy = TRUE;
- pPixmap->devKind = pExaPixmap->fb_pitch;
-
- while (nbox--) {
- pBox->x1 = max(pBox->x1, 0);
- pBox->y1 = max(pBox->y1, 0);
- pBox->x2 = min(pBox->x2, pPixmap->drawable.width);
- pBox->y2 = min(pBox->y2, pPixmap->drawable.height);
-
- if (pBox->x1 >= pBox->x2 || pBox->y1 >= pBox->y2)
- continue;
-
- if (!transfer || !transfer (pPixmap,
- pBox->x1, pBox->y1,
- pBox->x2 - pBox->x1,
- pBox->y2 - pBox->y1,
- (char *) (pExaPixmap->sys_ptr
- + pBox->y1 * pExaPixmap->sys_pitch
- + pBox->x1 * pPixmap->drawable.bitsPerPixel / 8),
- pExaPixmap->sys_pitch))
- {
- if (!access_prepared) {
- ExaDoPrepareAccess(pPixmap, fallback_index);
- access_prepared = TRUE;
- }
- if (fallback_index == EXA_PREPARE_DEST) {
- exaMemcpyBox (pPixmap, pBox,
- pExaPixmap->sys_ptr, pExaPixmap->sys_pitch,
- pPixmap->devPrivate.ptr, pPixmap->devKind);
- } else {
- exaMemcpyBox (pPixmap, pBox,
- pPixmap->devPrivate.ptr, pPixmap->devKind,
- pExaPixmap->sys_ptr, pExaPixmap->sys_pitch);
- }
- } else
- need_sync = TRUE;
-
- pBox++;
- }
-
- pExaPixmap->use_gpu_copy = save_use_gpu_copy;
- pPixmap->devKind = save_pitch;
-
- /* Try to prevent source valid region from growing too many rects by
- * removing parts of it which are also in the destination valid region.
- * Removing anything beyond that would lead to data loss.
- */
- if (REGION_NUM_RECTS(pValidSrc) > 20)
- REGION_SUBTRACT(pScreen, pValidSrc, pValidSrc, pValidDst);
-
- /* The copied bits are now valid in destination */
- REGION_UNION(pScreen, pValidDst, pValidDst, &CopyReg);
-
- REGION_UNINIT(pScreen, &CopyReg);
-
- if (access_prepared)
- exaFinishAccess(&pPixmap->drawable, fallback_index);
- else if (need_sync && sync)
- sync (pPixmap->drawable.pScreen);
-}
-
-/**
- * If the pixmap is currently dirty, this copies at least the dirty area from
- * the framebuffer memory copy to the system memory copy. Both areas must be
- * allocated.
- */
-void
-exaCopyDirtyToSys (ExaMigrationPtr migrate)
-{
- PixmapPtr pPixmap = migrate->pPix;
- ExaScreenPriv (pPixmap->drawable.pScreen);
- ExaPixmapPriv (pPixmap);
-
- exaCopyDirty(migrate, &pExaPixmap->validSys, &pExaPixmap->validFB,
- pExaScr->info->DownloadFromScreen, EXA_PREPARE_SRC,
- exaWaitSync);
-}
-
-/**
- * If the pixmap is currently dirty, this copies at least the dirty area from
- * the system memory copy to the framebuffer memory copy. Both areas must be
- * allocated.
- */
-void
-exaCopyDirtyToFb (ExaMigrationPtr migrate)
-{
- PixmapPtr pPixmap = migrate->pPix;
- ExaScreenPriv (pPixmap->drawable.pScreen);
- ExaPixmapPriv (pPixmap);
-
- exaCopyDirty(migrate, &pExaPixmap->validFB, &pExaPixmap->validSys,
- pExaScr->info->UploadToScreen, EXA_PREPARE_DEST, NULL);
-}
-
-/**
- * Allocates a framebuffer copy of the pixmap if necessary, and then copies
- * any necessary pixmap data into the framebuffer copy and points the pixmap at
- * it.
- *
- * Note that when first allocated, a pixmap will have FALSE dirty flag.
- * This is intentional because pixmap data starts out undefined. So if we move
- * it in due to the first operation against it being accelerated, it will have
- * undefined framebuffer contents that we didn't have to upload. If we do
- * moveouts (and moveins) after the first movein, then we will only have to copy
- * back and forth if the pixmap was written to after the last synchronization of
- * the two copies. Then, at exaPixmapSave (when the framebuffer copy goes away)
- * we mark the pixmap dirty, so that the next exaMoveInPixmap will actually move
- * all the data, since it's almost surely all valid now.
- */
-static void
-exaDoMoveInPixmap (ExaMigrationPtr migrate)
-{
- PixmapPtr pPixmap = migrate->pPix;
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- ExaScreenPriv (pScreen);
- ExaPixmapPriv (pPixmap);
-
- /* If we're VT-switched away, no touching card memory allowed. */
- if (pExaScr->swappedOut)
- return;
-
- /* If we're not allowed to move, then fail. */
- if (exaPixmapIsPinned(pPixmap))
- return;
-
- /* Don't migrate in pixmaps which are less than 8bpp. This avoids a lot of
- * fragility in EXA, and <8bpp is probably not used enough any more to care
- * (at least, not in acceleratd paths).
- */
- if (pPixmap->drawable.bitsPerPixel < 8)
- return;
-
- if (pExaPixmap->accel_blocked)
- return;
-
- if (pExaPixmap->area == NULL) {
- pExaPixmap->area =
- exaOffscreenAlloc (pScreen, pExaPixmap->fb_size,
- pExaScr->info->pixmapOffsetAlign, FALSE,
- exaPixmapSave, (pointer) pPixmap);
- if (pExaPixmap->area == NULL)
- return;
-
- pExaPixmap->fb_ptr = (CARD8 *) pExaScr->info->memoryBase +
- pExaPixmap->area->offset;
- }
-
- exaCopyDirtyToFb (migrate);
-
- if (exaPixmapHasGpuCopy(pPixmap))
- return;
-
- DBG_MIGRATE (("-> %p (0x%x) (%dx%d) (%c)\n", pPixmap,
- (ExaGetPixmapPriv(pPixmap)->area ?
- ExaGetPixmapPriv(pPixmap)->area->offset : 0),
- pPixmap->drawable.width,
- pPixmap->drawable.height,
- exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
-
- pExaPixmap->use_gpu_copy = TRUE;
-
- pPixmap->devKind = pExaPixmap->fb_pitch;
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-}
-
-void
-exaMoveInPixmap_classic (PixmapPtr pPixmap)
-{
- static ExaMigrationRec migrate = { .as_dst = FALSE, .as_src = TRUE,
- .pReg = NULL };
-
- migrate.pPix = pPixmap;
- exaDoMoveInPixmap (&migrate);
-}
-
-/**
- * Switches the current active location of the pixmap to system memory, copying
- * updated data out if necessary.
- */
-static void
-exaDoMoveOutPixmap (ExaMigrationPtr migrate)
-{
- PixmapPtr pPixmap = migrate->pPix;
- ExaPixmapPriv (pPixmap);
-
- if (!pExaPixmap->area || exaPixmapIsPinned(pPixmap))
- return;
-
- exaCopyDirtyToSys (migrate);
-
- if (exaPixmapHasGpuCopy(pPixmap)) {
-
- DBG_MIGRATE (("<- %p (%p) (%dx%d) (%c)\n", pPixmap,
- (void*)(ExaGetPixmapPriv(pPixmap)->area ?
- ExaGetPixmapPriv(pPixmap)->area->offset : 0),
- pPixmap->drawable.width,
- pPixmap->drawable.height,
- exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
-
- pExaPixmap->use_gpu_copy = FALSE;
-
- pPixmap->devKind = pExaPixmap->sys_pitch;
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- }
-}
-
-void
-exaMoveOutPixmap_classic (PixmapPtr pPixmap)
-{
- static ExaMigrationRec migrate = { .as_dst = FALSE, .as_src = TRUE,
- .pReg = NULL };
-
- migrate.pPix = pPixmap;
- exaDoMoveOutPixmap (&migrate);
-}
-
-
-/**
- * Copies out important pixmap data and removes references to framebuffer area.
- * Called when the memory manager decides it's time to kick the pixmap out of
- * framebuffer entirely.
- */
-void
-exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area)
-{
- PixmapPtr pPixmap = area->privData;
- ExaPixmapPriv(pPixmap);
-
- exaMoveOutPixmap(pPixmap);
-
- pExaPixmap->fb_ptr = NULL;
- pExaPixmap->area = NULL;
-
- /* Mark all FB bits as invalid, so all valid system bits get copied to FB
- * next time */
- REGION_EMPTY(pPixmap->drawable.pScreen, &pExaPixmap->validFB);
-}
-
-/**
- * For the "greedy" migration scheme, pushes the pixmap toward being located in
- * framebuffer memory.
- */
-static void
-exaMigrateTowardFb (ExaMigrationPtr migrate)
-{
- PixmapPtr pPixmap = migrate->pPix;
- ExaPixmapPriv (pPixmap);
-
- if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED) {
- DBG_MIGRATE(("UseScreen: not migrating pinned pixmap %p\n",
- (pointer)pPixmap));
- return;
- }
-
- DBG_MIGRATE(("UseScreen %p score %d\n",
- (pointer)pPixmap, pExaPixmap->score));
-
- if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT) {
- exaDoMoveInPixmap(migrate);
- pExaPixmap->score = 0;
- }
-
- if (pExaPixmap->score < EXA_PIXMAP_SCORE_MAX)
- pExaPixmap->score++;
-
- if (pExaPixmap->score >= EXA_PIXMAP_SCORE_MOVE_IN &&
- !exaPixmapHasGpuCopy(pPixmap))
- {
- exaDoMoveInPixmap(migrate);
- }
-
- if (exaPixmapHasGpuCopy(pPixmap)) {
- exaCopyDirtyToFb (migrate);
- ExaOffscreenMarkUsed (pPixmap);
- } else
- exaCopyDirtyToSys (migrate);
-}
-
-/**
- * For the "greedy" migration scheme, pushes the pixmap toward being located in
- * system memory.
- */
-static void
-exaMigrateTowardSys (ExaMigrationPtr migrate)
-{
- PixmapPtr pPixmap = migrate->pPix;
- ExaPixmapPriv (pPixmap);
-
- DBG_MIGRATE(("UseMem: %p score %d\n", (pointer)pPixmap, pExaPixmap->score));
-
- if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED)
- return;
-
- if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT)
- pExaPixmap->score = 0;
-
- if (pExaPixmap->score > EXA_PIXMAP_SCORE_MIN)
- pExaPixmap->score--;
-
- if (pExaPixmap->score <= EXA_PIXMAP_SCORE_MOVE_OUT && pExaPixmap->area)
- exaDoMoveOutPixmap(migrate);
-
- if (exaPixmapHasGpuCopy(pPixmap)) {
- exaCopyDirtyToFb (migrate);
- ExaOffscreenMarkUsed (pPixmap);
- } else
- exaCopyDirtyToSys (migrate);
-}
-
-/**
- * If the pixmap has both a framebuffer and system memory copy, this function
- * asserts that both of them are the same.
- */
-static Bool
-exaAssertNotDirty (PixmapPtr pPixmap)
-{
- ExaPixmapPriv (pPixmap);
- CARD8 *dst, *src;
- RegionRec ValidReg;
- int dst_pitch, src_pitch, cpp, y, nbox, save_pitch;
- BoxPtr pBox;
- Bool ret = TRUE, save_use_gpu_copy;
-
- if (exaPixmapIsPinned(pPixmap) || pExaPixmap->area == NULL)
- return ret;
-
- REGION_NULL(pScreen, &ValidReg);
- REGION_INTERSECT(pScreen, &ValidReg, &pExaPixmap->validFB,
- &pExaPixmap->validSys);
- nbox = REGION_NUM_RECTS(&ValidReg);
-
- if (!nbox)
- goto out;
-
- pBox = REGION_RECTS(&ValidReg);
-
- dst_pitch = pExaPixmap->sys_pitch;
- src_pitch = pExaPixmap->fb_pitch;
- cpp = pPixmap->drawable.bitsPerPixel / 8;
-
- save_use_gpu_copy = pExaPixmap->use_gpu_copy;
- save_pitch = pPixmap->devKind;
- pExaPixmap->use_gpu_copy = TRUE;
- pPixmap->devKind = pExaPixmap->fb_pitch;
-
- if (!ExaDoPrepareAccess(pPixmap, EXA_PREPARE_SRC))
- goto skip;
-
- while (nbox--) {
- int rowbytes;
-
- pBox->x1 = max(pBox->x1, 0);
- pBox->y1 = max(pBox->y1, 0);
- pBox->x2 = min(pBox->x2, pPixmap->drawable.width);
- pBox->y2 = min(pBox->y2, pPixmap->drawable.height);
-
- if (pBox->x1 >= pBox->x2 || pBox->y1 >= pBox->y2)
- continue;
-
- rowbytes = (pBox->x2 - pBox->x1) * cpp;
- src = (CARD8 *) pPixmap->devPrivate.ptr + pBox->y1 * src_pitch + pBox->x1 * cpp;
- dst = pExaPixmap->sys_ptr + pBox->y1 * dst_pitch + pBox->x1 * cpp;
-
- for (y = pBox->y1; y < pBox->y2;
- y++, src += src_pitch, dst += dst_pitch) {
- if (memcmp(dst, src, rowbytes) != 0) {
- ret = FALSE;
- exaPixmapDirty(pPixmap, pBox->x1, pBox->y1, pBox->x2,
- pBox->y2);
- break;
- }
- }
- }
-
-skip:
- exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
-
- pExaPixmap->use_gpu_copy = save_use_gpu_copy;
- pPixmap->devKind = save_pitch;
-
-out:
- REGION_UNINIT(pScreen, &ValidReg);
- return ret;
-}
-
-/**
- * Performs migration of the pixmaps according to the operation information
- * provided in pixmaps and can_accel and the migration scheme chosen in the
- * config file.
- */
-void
-exaDoMigration_classic (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
-{
- ScreenPtr pScreen = pixmaps[0].pPix->drawable.pScreen;
- ExaScreenPriv(pScreen);
- int i, j;
-
- /* If this debugging flag is set, check each pixmap for whether it is marked
- * as clean, and if so, actually check if that's the case. This should help
- * catch issues with failing to mark a drawable as dirty. While it will
- * catch them late (after the operation happened), it at least explains what
- * went wrong, and instrumenting the code to find what operation happened
- * to the pixmap last shouldn't be hard.
- */
- if (pExaScr->checkDirtyCorrectness) {
- for (i = 0; i < npixmaps; i++) {
- if (!exaPixmapIsDirty (pixmaps[i].pPix) &&
- !exaAssertNotDirty (pixmaps[i].pPix))
- ErrorF("%s: Pixmap %d dirty but not marked as such!\n", __func__, 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) &&
- !exaPixmapHasGpuCopy (pixmaps[i].pPix))
- {
- EXA_FALLBACK(("Pixmap %p (%dx%d) pinned in sys\n", pixmaps[i].pPix,
- pixmaps[i].pPix->drawable.width,
- pixmaps[i].pPix->drawable.height));
- can_accel = FALSE;
- break;
- }
- }
-
- if (pExaScr->migration == ExaMigrationSmart) {
- /* If we've got something as a destination that we shouldn't cause to
- * become newly dirtied, take the unaccelerated route.
- */
- for (i = 0; i < npixmaps; i++) {
- if (pixmaps[i].as_dst && !exaPixmapShouldBeInFB (pixmaps[i].pPix) &&
- !exaPixmapIsDirty (pixmaps[i].pPix))
- {
- for (i = 0; i < npixmaps; i++) {
- if (!exaPixmapIsDirty (pixmaps[i].pPix))
- exaDoMoveOutPixmap (pixmaps + i);
- }
- return;
- }
- }
-
- /* If we aren't going to accelerate, then we migrate everybody toward
- * system memory, and kick out if it's free.
- */
- if (!can_accel) {
- for (i = 0; i < npixmaps; i++) {
- exaMigrateTowardSys (pixmaps + i);
- if (!exaPixmapIsDirty (pixmaps[i].pPix))
- exaDoMoveOutPixmap (pixmaps + i);
- }
- return;
- }
-
- /* Finally, the acceleration path. Move them all in. */
- for (i = 0; i < npixmaps; i++) {
- exaMigrateTowardFb(pixmaps + i);
- exaDoMoveInPixmap(pixmaps + i);
- }
- } else if (pExaScr->migration == ExaMigrationGreedy) {
- /* If we can't accelerate, either because the driver can't or because one of
- * the pixmaps is pinned in system memory, then we migrate everybody toward
- * system memory.
- *
- * We also migrate toward system if all pixmaps involved are currently in
- * system memory -- this can mitigate thrashing when there are significantly
- * more pixmaps active than would fit in memory.
- *
- * If not, then we migrate toward FB so that hopefully acceleration can
- * happen.
- */
- if (!can_accel) {
- for (i = 0; i < npixmaps; i++)
- exaMigrateTowardSys (pixmaps + i);
- return;
- }
-
- for (i = 0; i < npixmaps; i++) {
- if (exaPixmapHasGpuCopy(pixmaps[i].pPix)) {
- /* Found one in FB, so move all to FB. */
- for (j = 0; j < npixmaps; j++)
- exaMigrateTowardFb(pixmaps + i);
- return;
- }
- }
-
- /* Nobody's in FB, so move all away from FB. */
- for (i = 0; i < npixmaps; i++)
- exaMigrateTowardSys(pixmaps + i);
- } else if (pExaScr->migration == ExaMigrationAlways) {
- /* Always move the pixmaps out if we can't accelerate. If we can
- * accelerate, try to move them all in. If that fails, then move them
- * back out.
- */
- if (!can_accel) {
- for (i = 0; i < npixmaps; i++)
- exaDoMoveOutPixmap(pixmaps + i);
- return;
- }
-
- /* Now, try to move them all into FB */
- for (i = 0; i < npixmaps; i++) {
- exaDoMoveInPixmap(pixmaps + i);
- }
-
- /* If we couldn't fit everything in, abort */
- for (i = 0; i < npixmaps; i++) {
- if (!exaPixmapHasGpuCopy(pixmaps[i].pPix)) {
- return;
- }
- }
-
- /* Yay, everything has a gpu copy, mark memory as used */
- for (i = 0; i < npixmaps; i++) {
- ExaOffscreenMarkUsed (pixmaps[i].pPix);
- }
- }
-}
-
-void
-exaPrepareAccessReg_classic(PixmapPtr pPixmap, int index, RegionPtr pReg)
-{
- ExaMigrationRec pixmaps[1];
-
- if (index == EXA_PREPARE_DEST || index == EXA_PREPARE_AUX_DEST) {
- pixmaps[0].as_dst = TRUE;
- pixmaps[0].as_src = FALSE;
- } else {
- pixmaps[0].as_dst = FALSE;
- pixmaps[0].as_src = TRUE;
- }
- pixmaps[0].pPix = pPixmap;
- pixmaps[0].pReg = pReg;
-
- exaDoMigration(pixmaps, 1, FALSE);
-
- (void)ExaDoPrepareAccess(pPixmap, index);
-}
+/*
+ * Copyright © 2006 Intel Corporation
+ *
+ * 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Michel Dänzer <michel@tungstengraphics.com>
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "exa_priv.h"
+#include "exa.h"
+
+#if DEBUG_MIGRATE
+#define DBG_MIGRATE(a) ErrorF a
+#else
+#define DBG_MIGRATE(a)
+#endif
+
+/**
+ * The fallback path for UTS/DFS failing is to just memcpy. exaCopyDirtyToSys
+ * and exaCopyDirtyToFb both needed to do this loop.
+ */
+static void
+exaMemcpyBox (PixmapPtr pPixmap, BoxPtr pbox, CARD8 *src, int src_pitch,
+ CARD8 *dst, int dst_pitch)
+ {
+ int i, cpp = pPixmap->drawable.bitsPerPixel / 8;
+ int bytes = (pbox->x2 - pbox->x1) * cpp;
+
+ src += pbox->y1 * src_pitch + pbox->x1 * cpp;
+ dst += pbox->y1 * dst_pitch + pbox->x1 * cpp;
+
+ for (i = pbox->y2 - pbox->y1; i; i--) {
+ memcpy (dst, src, bytes);
+ src += src_pitch;
+ dst += dst_pitch;
+ }
+}
+
+/**
+ * Returns TRUE if the pixmap is dirty (has been modified in its current
+ * location compared to the other), or lacks a private for tracking
+ * dirtiness.
+ */
+static Bool
+exaPixmapIsDirty (PixmapPtr pPix)
+{
+ ExaPixmapPriv (pPix);
+
+ if (pExaPixmap == NULL)
+ EXA_FatalErrorDebugWithRet(("EXA bug: exaPixmapIsDirty was called on a non-exa pixmap.\n"), TRUE);
+
+ if (!pExaPixmap->pDamage)
+ return FALSE;
+
+ return REGION_NOTEMPTY (pScreen, DamageRegion(pExaPixmap->pDamage)) ||
+ !REGION_EQUAL(pScreen, &pExaPixmap->validSys, &pExaPixmap->validFB);
+}
+
+/**
+ * Returns TRUE if the pixmap is either pinned in FB, or has a sufficient score
+ * to be considered "should be in framebuffer". That's just anything that has
+ * had more acceleration than fallbacks, or has no score yet.
+ *
+ * Only valid if using a migration scheme that tracks score.
+ */
+static Bool
+exaPixmapShouldBeInFB (PixmapPtr pPix)
+{
+ ExaPixmapPriv (pPix);
+
+ if (exaPixmapIsPinned (pPix))
+ return TRUE;
+
+ return pExaPixmap->score >= 0;
+}
+
+/**
+ * If the pixmap is currently dirty, this copies at least the dirty area from
+ * FB to system or vice versa. Both areas must be allocated.
+ */
+static void
+exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, RegionPtr pValidSrc,
+ Bool (*transfer) (PixmapPtr pPix, int x, int y, int w, int h,
+ char *sys, int sys_pitch), int fallback_index,
+ void (*sync) (ScreenPtr pScreen))
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ExaPixmapPriv (pPixmap);
+ RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
+ RegionRec CopyReg;
+ Bool save_use_gpu_copy;
+ int save_pitch;
+ BoxPtr pBox;
+ int nbox;
+ Bool access_prepared = FALSE;
+ Bool need_sync = FALSE;
+
+ /* Damaged bits are valid in current copy but invalid in other one */
+ if (pExaPixmap->use_gpu_copy) {
+ REGION_UNION(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
+ damage);
+ REGION_SUBTRACT(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
+ damage);
+ } else {
+ REGION_UNION(pScreen, &pExaPixmap->validSys, &pExaPixmap->validSys,
+ damage);
+ REGION_SUBTRACT(pScreen, &pExaPixmap->validFB, &pExaPixmap->validFB,
+ damage);
+ }
+
+ REGION_EMPTY(pScreen, damage);
+
+ /* Copy bits valid in source but not in destination */
+ REGION_NULL(pScreen, &CopyReg);
+ REGION_SUBTRACT(pScreen, &CopyReg, pValidSrc, pValidDst);
+
+ if (migrate->as_dst) {
+ ExaScreenPriv (pPixmap->drawable.pScreen);
+
+ /* XXX: The pending damage region will be marked as damaged after the
+ * operation, so it should serve as an upper bound for the region that
+ * needs to be synchronized for the operation. Unfortunately, this
+ * causes corruption in some cases, e.g. when starting compiz. See
+ * https://bugs.freedesktop.org/show_bug.cgi?id=12916 .
+ */
+ if (pExaScr->optimize_migration) {
+ RegionPtr pending_damage = DamagePendingRegion(pExaPixmap->pDamage);
+
+#if DEBUG_MIGRATE
+ if (REGION_NIL(pending_damage)) {
+ static Bool firsttime = TRUE;
+
+ if (firsttime) {
+ ErrorF("%s: Pending damage region empty!\n", __func__);
+ firsttime = FALSE;
+ }
+ }
+#endif
+
+ /* Try to prevent destination valid region from growing too many
+ * rects by filling it up to the extents of the union of the
+ * destination valid region and the pending damage region.
+ */
+ if (REGION_NUM_RECTS(pValidDst) > 10) {
+ BoxRec box;
+ BoxPtr pValidExt, pDamageExt;
+ RegionRec closure;
+
+ pValidExt = REGION_EXTENTS(pScreen, pValidDst);
+ pDamageExt = REGION_EXTENTS(pScreen, pending_damage);
+
+ box.x1 = min(pValidExt->x1, pDamageExt->x1);
+ box.y1 = min(pValidExt->y1, pDamageExt->y1);
+ box.x2 = max(pValidExt->x2, pDamageExt->x2);
+ box.y2 = max(pValidExt->y2, pDamageExt->y2);
+
+ REGION_INIT(pScreen, &closure, &box, 0);
+ REGION_INTERSECT(pScreen, &CopyReg, &CopyReg, &closure);
+ } else
+ REGION_INTERSECT(pScreen, &CopyReg, &CopyReg, pending_damage);
+ }
+
+ /* The caller may provide a region to be subtracted from the calculated
+ * dirty region. This is to avoid migration of bits that don't
+ * contribute to the result of the operation.
+ */
+ if (migrate->pReg)
+ REGION_SUBTRACT(pScreen, &CopyReg, &CopyReg, migrate->pReg);
+ } else {
+ /* The caller may restrict the region to be migrated for source pixmaps
+ * to what's relevant for the operation.
+ */
+ if (migrate->pReg)
+ REGION_INTERSECT(pScreen, &CopyReg, &CopyReg, migrate->pReg);
+ }
+
+ pBox = REGION_RECTS(&CopyReg);
+ nbox = REGION_NUM_RECTS(&CopyReg);
+
+ save_use_gpu_copy = pExaPixmap->use_gpu_copy;
+ save_pitch = pPixmap->devKind;
+ pExaPixmap->use_gpu_copy = TRUE;
+ pPixmap->devKind = pExaPixmap->fb_pitch;
+
+ while (nbox--) {
+ pBox->x1 = max(pBox->x1, 0);
+ pBox->y1 = max(pBox->y1, 0);
+ pBox->x2 = min(pBox->x2, pPixmap->drawable.width);
+ pBox->y2 = min(pBox->y2, pPixmap->drawable.height);
+
+ if (pBox->x1 >= pBox->x2 || pBox->y1 >= pBox->y2)
+ continue;
+
+ if (!transfer || !transfer (pPixmap,
+ pBox->x1, pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1,
+ (char *) (pExaPixmap->sys_ptr
+ + pBox->y1 * pExaPixmap->sys_pitch
+ + pBox->x1 * pPixmap->drawable.bitsPerPixel / 8),
+ pExaPixmap->sys_pitch))
+ {
+ if (!access_prepared) {
+ ExaDoPrepareAccess(pPixmap, fallback_index);
+ access_prepared = TRUE;
+ }
+ if (fallback_index == EXA_PREPARE_DEST) {
+ exaMemcpyBox (pPixmap, pBox,
+ pExaPixmap->sys_ptr, pExaPixmap->sys_pitch,
+ pPixmap->devPrivate.ptr, pPixmap->devKind);
+ } else {
+ exaMemcpyBox (pPixmap, pBox,
+ pPixmap->devPrivate.ptr, pPixmap->devKind,
+ pExaPixmap->sys_ptr, pExaPixmap->sys_pitch);
+ }
+ } else
+ need_sync = TRUE;
+
+ pBox++;
+ }
+
+ pExaPixmap->use_gpu_copy = save_use_gpu_copy;
+ pPixmap->devKind = save_pitch;
+
+ /* Try to prevent source valid region from growing too many rects by
+ * removing parts of it which are also in the destination valid region.
+ * Removing anything beyond that would lead to data loss.
+ */
+ if (REGION_NUM_RECTS(pValidSrc) > 20)
+ REGION_SUBTRACT(pScreen, pValidSrc, pValidSrc, pValidDst);
+
+ /* The copied bits are now valid in destination */
+ REGION_UNION(pScreen, pValidDst, pValidDst, &CopyReg);
+
+ REGION_UNINIT(pScreen, &CopyReg);
+
+ if (access_prepared)
+ exaFinishAccess(&pPixmap->drawable, fallback_index);
+ else if (need_sync && sync)
+ sync (pPixmap->drawable.pScreen);
+}
+
+/**
+ * If the pixmap is currently dirty, this copies at least the dirty area from
+ * the framebuffer memory copy to the system memory copy. Both areas must be
+ * allocated.
+ */
+void
+exaCopyDirtyToSys (ExaMigrationPtr migrate)
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ExaScreenPriv (pPixmap->drawable.pScreen);
+ ExaPixmapPriv (pPixmap);
+
+ exaCopyDirty(migrate, &pExaPixmap->validSys, &pExaPixmap->validFB,
+ pExaScr->info->DownloadFromScreen, EXA_PREPARE_SRC,
+ exaWaitSync);
+}
+
+/**
+ * If the pixmap is currently dirty, this copies at least the dirty area from
+ * the system memory copy to the framebuffer memory copy. Both areas must be
+ * allocated.
+ */
+void
+exaCopyDirtyToFb (ExaMigrationPtr migrate)
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ExaScreenPriv (pPixmap->drawable.pScreen);
+ ExaPixmapPriv (pPixmap);
+
+ exaCopyDirty(migrate, &pExaPixmap->validFB, &pExaPixmap->validSys,
+ pExaScr->info->UploadToScreen, EXA_PREPARE_DEST, NULL);
+}
+
+/**
+ * Allocates a framebuffer copy of the pixmap if necessary, and then copies
+ * any necessary pixmap data into the framebuffer copy and points the pixmap at
+ * it.
+ *
+ * Note that when first allocated, a pixmap will have FALSE dirty flag.
+ * This is intentional because pixmap data starts out undefined. So if we move
+ * it in due to the first operation against it being accelerated, it will have
+ * undefined framebuffer contents that we didn't have to upload. If we do
+ * moveouts (and moveins) after the first movein, then we will only have to copy
+ * back and forth if the pixmap was written to after the last synchronization of
+ * the two copies. Then, at exaPixmapSave (when the framebuffer copy goes away)
+ * we mark the pixmap dirty, so that the next exaMoveInPixmap will actually move
+ * all the data, since it's almost surely all valid now.
+ */
+static void
+exaDoMoveInPixmap (ExaMigrationPtr migrate)
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv (pScreen);
+ ExaPixmapPriv (pPixmap);
+
+ /* If we're VT-switched away, no touching card memory allowed. */
+ if (pExaScr->swappedOut)
+ return;
+
+ /* If we're not allowed to move, then fail. */
+ if (exaPixmapIsPinned(pPixmap))
+ return;
+
+ /* Don't migrate in pixmaps which are less than 8bpp. This avoids a lot of
+ * fragility in EXA, and <8bpp is probably not used enough any more to care
+ * (at least, not in acceleratd paths).
+ */
+ if (pPixmap->drawable.bitsPerPixel < 8)
+ return;
+
+ if (pExaPixmap->accel_blocked)
+ return;
+
+ if (pExaPixmap->area == NULL) {
+ pExaPixmap->area =
+ exaOffscreenAlloc (pScreen, pExaPixmap->fb_size,
+ pExaScr->info->pixmapOffsetAlign, FALSE,
+ exaPixmapSave, (pointer) pPixmap);
+ if (pExaPixmap->area == NULL)
+ return;
+
+ pExaPixmap->fb_ptr = (CARD8 *) pExaScr->info->memoryBase +
+ pExaPixmap->area->offset;
+ }
+
+ exaCopyDirtyToFb (migrate);
+
+ if (exaPixmapHasGpuCopy(pPixmap))
+ return;
+
+ DBG_MIGRATE (("-> %p (0x%x) (%dx%d) (%c)\n", pPixmap,
+ (ExaGetPixmapPriv(pPixmap)->area ?
+ ExaGetPixmapPriv(pPixmap)->area->offset : 0),
+ pPixmap->drawable.width,
+ pPixmap->drawable.height,
+ exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
+
+ pExaPixmap->use_gpu_copy = TRUE;
+
+ pPixmap->devKind = pExaPixmap->fb_pitch;
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+}
+
+void
+exaMoveInPixmap_classic (PixmapPtr pPixmap)
+{
+ static ExaMigrationRec migrate = { FALSE, TRUE,
+ NULL, NULL };
+
+ migrate.pPix = pPixmap;
+ exaDoMoveInPixmap (&migrate);
+}
+
+/**
+ * Switches the current active location of the pixmap to system memory, copying
+ * updated data out if necessary.
+ */
+static void
+exaDoMoveOutPixmap (ExaMigrationPtr migrate)
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ExaPixmapPriv (pPixmap);
+
+ if (!pExaPixmap->area || exaPixmapIsPinned(pPixmap))
+ return;
+
+ exaCopyDirtyToSys (migrate);
+
+ if (exaPixmapHasGpuCopy(pPixmap)) {
+
+ DBG_MIGRATE (("<- %p (%p) (%dx%d) (%c)\n", pPixmap,
+ (void*)(ExaGetPixmapPriv(pPixmap)->area ?
+ ExaGetPixmapPriv(pPixmap)->area->offset : 0),
+ pPixmap->drawable.width,
+ pPixmap->drawable.height,
+ exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
+
+ pExaPixmap->use_gpu_copy = FALSE;
+
+ pPixmap->devKind = pExaPixmap->sys_pitch;
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ }
+}
+
+void
+exaMoveOutPixmap_classic (PixmapPtr pPixmap)
+{
+ static ExaMigrationRec migrate = { FALSE, TRUE,
+ NULL, NULL };
+
+ migrate.pPix = pPixmap;
+ exaDoMoveOutPixmap (&migrate);
+}
+
+
+/**
+ * Copies out important pixmap data and removes references to framebuffer area.
+ * Called when the memory manager decides it's time to kick the pixmap out of
+ * framebuffer entirely.
+ */
+void
+exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area)
+{
+ PixmapPtr pPixmap = area->privData;
+ ExaPixmapPriv(pPixmap);
+
+ exaMoveOutPixmap(pPixmap);
+
+ pExaPixmap->fb_ptr = NULL;
+ pExaPixmap->area = NULL;
+
+ /* Mark all FB bits as invalid, so all valid system bits get copied to FB
+ * next time */
+ REGION_EMPTY(pPixmap->drawable.pScreen, &pExaPixmap->validFB);
+}
+
+/**
+ * For the "greedy" migration scheme, pushes the pixmap toward being located in
+ * framebuffer memory.
+ */
+static void
+exaMigrateTowardFb (ExaMigrationPtr migrate)
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ExaPixmapPriv (pPixmap);
+
+ if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED) {
+ DBG_MIGRATE(("UseScreen: not migrating pinned pixmap %p\n",
+ (pointer)pPixmap));
+ return;
+ }
+
+ DBG_MIGRATE(("UseScreen %p score %d\n",
+ (pointer)pPixmap, pExaPixmap->score));
+
+ if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT) {
+ exaDoMoveInPixmap(migrate);
+ pExaPixmap->score = 0;
+ }
+
+ if (pExaPixmap->score < EXA_PIXMAP_SCORE_MAX)
+ pExaPixmap->score++;
+
+ if (pExaPixmap->score >= EXA_PIXMAP_SCORE_MOVE_IN &&
+ !exaPixmapHasGpuCopy(pPixmap))
+ {
+ exaDoMoveInPixmap(migrate);
+ }
+
+ if (exaPixmapHasGpuCopy(pPixmap)) {
+ exaCopyDirtyToFb (migrate);
+ ExaOffscreenMarkUsed (pPixmap);
+ } else
+ exaCopyDirtyToSys (migrate);
+}
+
+/**
+ * For the "greedy" migration scheme, pushes the pixmap toward being located in
+ * system memory.
+ */
+static void
+exaMigrateTowardSys (ExaMigrationPtr migrate)
+{
+ PixmapPtr pPixmap = migrate->pPix;
+ ExaPixmapPriv (pPixmap);
+
+ DBG_MIGRATE(("UseMem: %p score %d\n", (pointer)pPixmap, pExaPixmap->score));
+
+ if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED)
+ return;
+
+ if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT)
+ pExaPixmap->score = 0;
+
+ if (pExaPixmap->score > EXA_PIXMAP_SCORE_MIN)
+ pExaPixmap->score--;
+
+ if (pExaPixmap->score <= EXA_PIXMAP_SCORE_MOVE_OUT && pExaPixmap->area)
+ exaDoMoveOutPixmap(migrate);
+
+ if (exaPixmapHasGpuCopy(pPixmap)) {
+ exaCopyDirtyToFb (migrate);
+ ExaOffscreenMarkUsed (pPixmap);
+ } else
+ exaCopyDirtyToSys (migrate);
+}
+
+/**
+ * If the pixmap has both a framebuffer and system memory copy, this function
+ * asserts that both of them are the same.
+ */
+static Bool
+exaAssertNotDirty (PixmapPtr pPixmap)
+{
+ ExaPixmapPriv (pPixmap);
+ CARD8 *dst, *src;
+ RegionRec ValidReg;
+ int dst_pitch, src_pitch, cpp, y, nbox, save_pitch;
+ BoxPtr pBox;
+ Bool ret = TRUE, save_use_gpu_copy;
+
+ if (exaPixmapIsPinned(pPixmap) || pExaPixmap->area == NULL)
+ return ret;
+
+ REGION_NULL(pScreen, &ValidReg);
+ REGION_INTERSECT(pScreen, &ValidReg, &pExaPixmap->validFB,
+ &pExaPixmap->validSys);
+ nbox = REGION_NUM_RECTS(&ValidReg);
+
+ if (!nbox)
+ goto out;
+
+ pBox = REGION_RECTS(&ValidReg);
+
+ dst_pitch = pExaPixmap->sys_pitch;
+ src_pitch = pExaPixmap->fb_pitch;
+ cpp = pPixmap->drawable.bitsPerPixel / 8;
+
+ save_use_gpu_copy = pExaPixmap->use_gpu_copy;
+ save_pitch = pPixmap->devKind;
+ pExaPixmap->use_gpu_copy = TRUE;
+ pPixmap->devKind = pExaPixmap->fb_pitch;
+
+ if (!ExaDoPrepareAccess(pPixmap, EXA_PREPARE_SRC))
+ goto skip;
+
+ while (nbox--) {
+ int rowbytes;
+
+ pBox->x1 = max(pBox->x1, 0);
+ pBox->y1 = max(pBox->y1, 0);
+ pBox->x2 = min(pBox->x2, pPixmap->drawable.width);
+ pBox->y2 = min(pBox->y2, pPixmap->drawable.height);
+
+ if (pBox->x1 >= pBox->x2 || pBox->y1 >= pBox->y2)
+ continue;
+
+ rowbytes = (pBox->x2 - pBox->x1) * cpp;
+ src = (CARD8 *) pPixmap->devPrivate.ptr + pBox->y1 * src_pitch + pBox->x1 * cpp;
+ dst = pExaPixmap->sys_ptr + pBox->y1 * dst_pitch + pBox->x1 * cpp;
+
+ for (y = pBox->y1; y < pBox->y2;
+ y++, src += src_pitch, dst += dst_pitch) {
+ if (memcmp(dst, src, rowbytes) != 0) {
+ ret = FALSE;
+ exaPixmapDirty(pPixmap, pBox->x1, pBox->y1, pBox->x2,
+ pBox->y2);
+ break;
+ }
+ }
+ }
+
+skip:
+ exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
+
+ pExaPixmap->use_gpu_copy = save_use_gpu_copy;
+ pPixmap->devKind = save_pitch;
+
+out:
+ REGION_UNINIT(pScreen, &ValidReg);
+ return ret;
+}
+
+/**
+ * Performs migration of the pixmaps according to the operation information
+ * provided in pixmaps and can_accel and the migration scheme chosen in the
+ * config file.
+ */
+void
+exaDoMigration_classic (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
+{
+ ScreenPtr pScreen = pixmaps[0].pPix->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ int i, j;
+
+ /* If this debugging flag is set, check each pixmap for whether it is marked
+ * as clean, and if so, actually check if that's the case. This should help
+ * catch issues with failing to mark a drawable as dirty. While it will
+ * catch them late (after the operation happened), it at least explains what
+ * went wrong, and instrumenting the code to find what operation happened
+ * to the pixmap last shouldn't be hard.
+ */
+ if (pExaScr->checkDirtyCorrectness) {
+ for (i = 0; i < npixmaps; i++) {
+ if (!exaPixmapIsDirty (pixmaps[i].pPix) &&
+ !exaAssertNotDirty (pixmaps[i].pPix))
+ ErrorF("%s: Pixmap %d dirty but not marked as such!\n", __FUNCTION__, 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) &&
+ !exaPixmapHasGpuCopy (pixmaps[i].pPix))
+ {
+ EXA_FALLBACK(("Pixmap %p (%dx%d) pinned in sys\n", pixmaps[i].pPix,
+ pixmaps[i].pPix->drawable.width,
+ pixmaps[i].pPix->drawable.height));
+ can_accel = FALSE;
+ break;
+ }
+ }
+
+ if (pExaScr->migration == ExaMigrationSmart) {
+ /* If we've got something as a destination that we shouldn't cause to
+ * become newly dirtied, take the unaccelerated route.
+ */
+ for (i = 0; i < npixmaps; i++) {
+ if (pixmaps[i].as_dst && !exaPixmapShouldBeInFB (pixmaps[i].pPix) &&
+ !exaPixmapIsDirty (pixmaps[i].pPix))
+ {
+ for (i = 0; i < npixmaps; i++) {
+ if (!exaPixmapIsDirty (pixmaps[i].pPix))
+ exaDoMoveOutPixmap (pixmaps + i);
+ }
+ return;
+ }
+ }
+
+ /* If we aren't going to accelerate, then we migrate everybody toward
+ * system memory, and kick out if it's free.
+ */
+ if (!can_accel) {
+ for (i = 0; i < npixmaps; i++) {
+ exaMigrateTowardSys (pixmaps + i);
+ if (!exaPixmapIsDirty (pixmaps[i].pPix))
+ exaDoMoveOutPixmap (pixmaps + i);
+ }
+ return;
+ }
+
+ /* Finally, the acceleration path. Move them all in. */
+ for (i = 0; i < npixmaps; i++) {
+ exaMigrateTowardFb(pixmaps + i);
+ exaDoMoveInPixmap(pixmaps + i);
+ }
+ } else if (pExaScr->migration == ExaMigrationGreedy) {
+ /* If we can't accelerate, either because the driver can't or because one of
+ * the pixmaps is pinned in system memory, then we migrate everybody toward
+ * system memory.
+ *
+ * We also migrate toward system if all pixmaps involved are currently in
+ * system memory -- this can mitigate thrashing when there are significantly
+ * more pixmaps active than would fit in memory.
+ *
+ * If not, then we migrate toward FB so that hopefully acceleration can
+ * happen.
+ */
+ if (!can_accel) {
+ for (i = 0; i < npixmaps; i++)
+ exaMigrateTowardSys (pixmaps + i);
+ return;
+ }
+
+ for (i = 0; i < npixmaps; i++) {
+ if (exaPixmapHasGpuCopy(pixmaps[i].pPix)) {
+ /* Found one in FB, so move all to FB. */
+ for (j = 0; j < npixmaps; j++)
+ exaMigrateTowardFb(pixmaps + i);
+ return;
+ }
+ }
+
+ /* Nobody's in FB, so move all away from FB. */
+ for (i = 0; i < npixmaps; i++)
+ exaMigrateTowardSys(pixmaps + i);
+ } else if (pExaScr->migration == ExaMigrationAlways) {
+ /* Always move the pixmaps out if we can't accelerate. If we can
+ * accelerate, try to move them all in. If that fails, then move them
+ * back out.
+ */
+ if (!can_accel) {
+ for (i = 0; i < npixmaps; i++)
+ exaDoMoveOutPixmap(pixmaps + i);
+ return;
+ }
+
+ /* Now, try to move them all into FB */
+ for (i = 0; i < npixmaps; i++) {
+ exaDoMoveInPixmap(pixmaps + i);
+ }
+
+ /* If we couldn't fit everything in, abort */
+ for (i = 0; i < npixmaps; i++) {
+ if (!exaPixmapHasGpuCopy(pixmaps[i].pPix)) {
+ return;
+ }
+ }
+
+ /* Yay, everything has a gpu copy, mark memory as used */
+ for (i = 0; i < npixmaps; i++) {
+ ExaOffscreenMarkUsed (pixmaps[i].pPix);
+ }
+ }
+}
+
+void
+exaPrepareAccessReg_classic(PixmapPtr pPixmap, int index, RegionPtr pReg)
+{
+ ExaMigrationRec pixmaps[1];
+
+ if (index == EXA_PREPARE_DEST || index == EXA_PREPARE_AUX_DEST) {
+ pixmaps[0].as_dst = TRUE;
+ pixmaps[0].as_src = FALSE;
+ } else {
+ pixmaps[0].as_dst = FALSE;
+ pixmaps[0].as_src = TRUE;
+ }
+ pixmaps[0].pPix = pPixmap;
+ pixmaps[0].pReg = pReg;
+
+ exaDoMigration(pixmaps, 1, FALSE);
+
+ (void)ExaDoPrepareAccess(pPixmap, index);
+}
diff --git a/xorg-server/exa/exa_unaccel.c b/xorg-server/exa/exa_unaccel.c
index 2f8c4622d..f6d74f11b 100644
--- a/xorg-server/exa/exa_unaccel.c
+++ b/xorg-server/exa/exa_unaccel.c
@@ -1,740 +1,740 @@
-/*
- *
- * Copyright © 1999 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "exa_priv.h"
-
-#include "mipict.h"
-
-/*
- * These functions wrap the low-level fb rendering functions and
- * synchronize framebuffer/accelerated drawing by stalling until
- * the accelerator is idle
- */
-
-/**
- * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the
- * current fill style.
- *
- * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
- * 1bpp and never in fb, so we don't worry about them.
- * We should worry about them for completeness sake and going forward.
- */
-void
-exaPrepareAccessGC(GCPtr pGC)
-{
- if (pGC->stipple)
- exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
- if (pGC->fillStyle == FillTiled)
- exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
-}
-
-/**
- * Finishes access to the tile in the GC, if used.
- */
-void
-exaFinishAccessGC(GCPtr pGC)
-{
- if (pGC->fillStyle == FillTiled)
- exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
- if (pGC->stipple)
- exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
-}
-
-#if DEBUG_TRACE_FALL
-char
-exaDrawableLocation(DrawablePtr pDrawable)
-{
- return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm';
-}
-#endif /* DEBUG_TRACE_FALL */
-
-void
-ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
- DDXPointPtr ppt, int *pwidth, int fSorted)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->FillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
- DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- pGC->ops->SetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
- int x, int y, int w, int h, int leftPad, int format,
- char *bits)
-{
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
- ExaPixmapPriv(pPixmap);
-
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- if (!pExaScr->prepare_access_reg || !pExaPixmap->pDamage ||
- exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle,
- pGC->alu, pGC->clientClipType))
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- else
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST,
- DamagePendingRegion(pExaPixmap->pDamage));
- pGC->ops->PutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- BoxPtr pbox, int nbox, int dx, int dy, Bool reverse,
- Bool upsidedown, Pixel bitplane, void *closure)
-{
- RegionRec reg;
- int xoff, yoff;
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
- exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
-
- if (pExaScr->prepare_access_reg) {
- PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
-
- exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- REGION_INIT(pScreen, &reg, pbox, nbox);
- REGION_TRANSLATE(pScreen, &reg, xoff + dx, yoff + dy);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, &reg);
- REGION_UNINIT(pScreen, &reg);
- } else
- exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
-
- if (pExaScr->prepare_access_reg &&
- !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
- pGC->alu, pGC->clientClipType)) {
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
-
- exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- REGION_INIT(pScreen, &reg, pbox, nbox);
- REGION_TRANSLATE(pScreen, &reg, xoff, yoff);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, &reg);
- REGION_UNINIT(pScreen, &reg);
- } else
- exaPrepareAccess (pDst, EXA_PREPARE_DEST);
-
- /* This will eventually call fbCopyNtoN, with some calculation overhead. */
- while (nbox--) {
- pGC->ops->CopyArea (pSrc, pDst, pGC, pbox->x1 - pSrc->x + dx, pbox->y1 - pSrc->y + dy,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, pbox->x1 - pDst->x, pbox->y1 - pDst->y);
- pbox++;
- }
- exaFinishAccess (pSrc, EXA_PREPARE_SRC);
- exaFinishAccess (pDst, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-static void
-ExaFallbackPrepareReg(DrawablePtr pDrawable,
- GCPtr pGC,
- int x, int y, int width, int height,
- int index, Bool checkReads)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- ExaScreenPriv(pScreen);
-
- if (pExaScr->prepare_access_reg &&
- !(checkReads && exaGCReadsDestination(pDrawable,
- pGC->planemask,
- pGC->fillStyle,
- pGC->alu,
- pGC->clientClipType))) {
- BoxRec box;
- RegionRec reg;
- int xoff, yoff;
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
-
- exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
- box.x1 = pDrawable->x + x + xoff;
- box.y1 = pDrawable->y + y + yoff;
- box.x2 = box.x1 + width;
- box.y2 = box.y1 + height;
-
- REGION_INIT(pScreen, &reg, &box, 1);
- pExaScr->prepare_access_reg(pPixmap, index, &reg);
- REGION_UNINIT(pScreen, &reg);
- } else
- exaPrepareAccess(pDrawable, index);
-}
-
-
-RegionPtr
-ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int w, int h, int dstx, int dsty)
-{
- RegionPtr ret;
-
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
- exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
- ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h,
- EXA_PREPARE_SRC, FALSE);
- ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h,
- EXA_PREPARE_DEST, TRUE);
- ret = pGC->ops->CopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
- exaFinishAccess (pSrc, EXA_PREPARE_SRC);
- exaFinishAccess (pDst, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-
- return ret;
-}
-
-RegionPtr
-ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int w, int h, int dstx, int dsty,
- unsigned long bitPlane)
-{
- RegionPtr ret;
-
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
- exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
- ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h,
- EXA_PREPARE_SRC, FALSE);
- ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h,
- EXA_PREPARE_DEST, TRUE);
- ret = pGC->ops->CopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
- bitPlane);
- exaFinishAccess (pSrc, EXA_PREPARE_SRC);
- exaFinishAccess (pDst, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-
- return ret;
-}
-
-void
-ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
- DDXPointPtr pptInit)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- pGC->ops->PolyPoint (pDrawable, pGC, mode, npt, pptInit);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
- int mode, int npt, DDXPointPtr ppt)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n",
- pDrawable, exaDrawableLocation(pDrawable),
- pGC->lineWidth, mode, npt));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->Polylines (pDrawable, pGC, mode, npt, ppt);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
- int nsegInit, xSegment *pSegInit)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable,
- exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolySegment (pDrawable, pGC, nsegInit, pSegInit);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
- int narcs, xArc *pArcs)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolyArc (pDrawable, pGC, narcs, pArcs);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
- int nrect, xRectangle *prect)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolyFillRect (pDrawable, pGC, nrect, prect);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, unsigned int nglyph,
- CharInfoPtr *ppci, pointer pglyphBase)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable,
- exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->ImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, unsigned int nglyph,
- CharInfoPtr *ppci, pointer pglyphBase)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
- exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
- DrawablePtr pDrawable,
- int w, int h, int x, int y)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable,
- exaDrawableLocation(&pBitmap->drawable),
- exaDrawableLocation(pDrawable)));
- ExaFallbackPrepareReg(pDrawable, pGC, x, y, w, h,
- EXA_PREPARE_DEST, TRUE);
- ExaFallbackPrepareReg(&pBitmap->drawable, pGC, 0, 0, w, h,
- EXA_PREPARE_SRC, FALSE);
- exaPrepareAccessGC (pGC);
- pGC->ops->PushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
- exaFinishAccessGC (pGC);
- exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- DrawablePtr pDrawable = &pWin->drawable;
- ScreenPtr pScreen = pDrawable->pScreen;
- EXA_PRE_FALLBACK(pScreen);
- EXA_FALLBACK(("from %p\n", pWin));
-
- /* Only need the source bits, the destination region will be overwritten */
- if (pExaScr->prepare_access_reg) {
- PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin);
- int xoff, yoff;
-
- exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff);
- REGION_TRANSLATE(pScreen, prgnSrc, xoff, yoff);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc);
- REGION_TRANSLATE(pScreen, prgnSrc, -xoff, -yoff);
- } else
- exaPrepareAccess(pDrawable, EXA_PREPARE_SRC);
-
- swap(pExaScr, pScreen, CopyWindow);
- pScreen->CopyWindow (pWin, ptOldOrg, prgnSrc);
- swap(pExaScr, pScreen, CopyWindow);
- exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
- EXA_POST_FALLBACK(pScreen);
-}
-
-void
-ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h,
- unsigned int format, unsigned long planeMask, char *d)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- EXA_PRE_FALLBACK(pScreen);
- EXA_FALLBACK(("from %p (%c)\n", pDrawable,
- exaDrawableLocation(pDrawable)));
-
- ExaFallbackPrepareReg(pDrawable, NULL, x, y, w, h,
- EXA_PREPARE_SRC, FALSE);
- swap(pExaScr, pScreen, GetImage);
- pScreen->GetImage (pDrawable, x, y, w, h, format, planeMask, d);
- swap(pExaScr, pScreen, GetImage);
- exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
- EXA_POST_FALLBACK(pScreen);
-}
-
-void
-ExaCheckGetSpans (DrawablePtr pDrawable,
- int wMax,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- char *pdstStart)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
-
- EXA_PRE_FALLBACK(pScreen);
- EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
- swap(pExaScr, pScreen, GetSpans);
- pScreen->GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
- swap(pExaScr, pScreen, GetSpans);
- exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
- EXA_POST_FALLBACK(pScreen);
-}
-
-static void
-ExaSrcValidate(DrawablePtr pDrawable,
- int x,
- int y,
- int width,
- int height)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- ExaScreenPriv(pScreen);
- PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
- BoxRec box;
- RegionRec reg;
- RegionPtr dst;
- int xoff, yoff;
-
- exaGetDrawableDeltas(pDrawable, pPix, &xoff, &yoff);
-
- box.x1 = x + xoff;
- box.y1 = y + yoff;
- box.x2 = box.x1 + width;
- box.y2 = box.y1 + height;
-
- dst = (pExaScr->srcPix == pPix) ? &pExaScr->srcReg :
- &pExaScr->maskReg;
-
- REGION_INIT(pScreen, &reg, &box, 1);
- REGION_UNION(pScreen, dst, dst, &reg);
- REGION_UNINIT(pScreen, &reg);
-
- if (pExaScr->SavedSourceValidate) {
- swap(pExaScr, pScreen, SourceValidate);
- pScreen->SourceValidate(pDrawable, x, y, width, height);
- swap(pExaScr, pScreen, SourceValidate);
- }
-}
-
-static Bool
-ExaPrepareCompositeReg(ScreenPtr pScreen,
- CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- RegionRec region;
- RegionPtr dstReg = NULL;
- RegionPtr srcReg = NULL;
- RegionPtr maskReg = NULL;
- PixmapPtr pSrcPix = NULL;
- PixmapPtr pMaskPix = NULL;
- PixmapPtr pDstPix;
- ExaScreenPriv(pScreen);
- Bool ret;
-
-
- REGION_NULL(pScreen, &region);
-
- if (pSrc->pDrawable) {
- pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable);
- REGION_NULL(pScreen, &pExaScr->srcReg);
- srcReg = &pExaScr->srcReg;
- pExaScr->srcPix = pSrcPix;
- if (pSrc != pDst)
- REGION_TRANSLATE(pScreen, pSrc->pCompositeClip,
- -pSrc->pDrawable->x,
- -pSrc->pDrawable->y);
- }
-
- if (pMask && pMask->pDrawable) {
- pMaskPix = exaGetDrawablePixmap(pMask->pDrawable);
- REGION_NULL(pScreen, &pExaScr->maskReg);
- maskReg = &pExaScr->maskReg;
- if (pMask != pDst && pMask != pSrc)
- REGION_TRANSLATE(pScreen, pMask->pCompositeClip,
- -pMask->pDrawable->x,
- -pMask->pDrawable->y);
- }
-
- REGION_TRANSLATE(pScreen, pDst->pCompositeClip,
- -pDst->pDrawable->x,
- -pDst->pDrawable->y);
-
- pExaScr->SavedSourceValidate = ExaSrcValidate;
- swap(pExaScr, pScreen, SourceValidate);
- ret = miComputeCompositeRegion (&region, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask,
- xDst,
- yDst,
- width, height);
- swap(pExaScr, pScreen, SourceValidate);
-
- REGION_TRANSLATE(pScreen, pDst->pCompositeClip,
- pDst->pDrawable->x,
- pDst->pDrawable->y);
- if (pSrc->pDrawable && pSrc != pDst)
- REGION_TRANSLATE(pScreen, pSrc->pCompositeClip,
- pSrc->pDrawable->x,
- pSrc->pDrawable->y);
- if (pMask && pMask->pDrawable && pMask != pDst && pMask != pSrc)
- REGION_TRANSLATE(pScreen, pMask->pCompositeClip,
- pMask->pDrawable->x,
- pMask->pDrawable->y);
-
- if (!ret) {
- if (srcReg)
- REGION_UNINIT(pScreen, srcReg);
- if (maskReg)
- REGION_UNINIT(pScreen, maskReg);
-
- return FALSE;
- }
-
- /**
- * Don't limit alphamaps readbacks for now until we've figured out how that
- * should be done.
- */
-
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
- pExaScr->prepare_access_reg(exaGetDrawablePixmap(pSrc->alphaMap->pDrawable),
- EXA_PREPARE_AUX_SRC,
- NULL);
- if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
- pExaScr->prepare_access_reg(exaGetDrawablePixmap(pMask->alphaMap->pDrawable),
- EXA_PREPARE_AUX_MASK,
- NULL);
-
- if (pSrcPix)
- pExaScr->prepare_access_reg(pSrcPix,
- EXA_PREPARE_SRC,
- srcReg);
-
- if (pMaskPix)
- pExaScr->prepare_access_reg(pMaskPix,
- EXA_PREPARE_MASK,
- maskReg);
-
- if (srcReg)
- REGION_UNINIT(pScreen, srcReg);
- if (maskReg)
- REGION_UNINIT(pScreen, maskReg);
-
- pDstPix = exaGetDrawablePixmap(pDst->pDrawable);
- if (!exaOpReadsDestination(op)) {
- int xoff;
- int yoff;
-
- exaGetDrawableDeltas (pDst->pDrawable, pDstPix, &xoff, &yoff);
- REGION_TRANSLATE(pScreen, &region, pDst->pDrawable->x + xoff,
- pDst->pDrawable->y + yoff);
- dstReg = &region;
- }
-
- if (pDst->alphaMap && pDst->alphaMap->pDrawable)
- pExaScr->prepare_access_reg(exaGetDrawablePixmap(pDst->alphaMap->pDrawable),
- EXA_PREPARE_AUX_DEST,
- dstReg);
- pExaScr->prepare_access_reg(pDstPix, EXA_PREPARE_DEST, dstReg);
-
- REGION_UNINIT(pScreen, &region);
- return TRUE;
-}
-
-void
-ExaCheckComposite (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- EXA_PRE_FALLBACK(pScreen);
-
- if (pExaScr->prepare_access_reg) {
- if (!ExaPrepareCompositeReg(pScreen, op, pSrc, pMask, pDst, xSrc,
- ySrc, xMask, yMask, xDst, yDst, width,
- height))
- goto out_no_clip;
- } else {
-
- /* We need to prepare access to any separate alpha maps first,
- * in case the driver doesn't support EXA_PREPARE_AUX*,
- * in which case EXA_PREPARE_SRC may be used for moving them out.
- */
-
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
- exaPrepareAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC);
- if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
- exaPrepareAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK);
- if (pDst->alphaMap && pDst->alphaMap->pDrawable)
- exaPrepareAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST);
-
- exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
-
- EXA_FALLBACK(("from picts %p/%p to pict %p\n",
- pSrc, pMask, pDst));
-
- if (pSrc->pDrawable != NULL)
- exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
- if (pMask && pMask->pDrawable != NULL)
- exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK);
- }
-
- swap(pExaScr, ps, Composite);
- ps->Composite (op,
- pSrc,
- pMask,
- pDst,
- xSrc,
- ySrc,
- xMask,
- yMask,
- xDst,
- yDst,
- width,
- height);
- swap(pExaScr, ps, Composite);
- if (pMask && pMask->pDrawable != NULL)
- exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
- if (pSrc->pDrawable != NULL)
- exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
- exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
- if (pDst->alphaMap && pDst->alphaMap->pDrawable)
- exaFinishAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST);
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
- exaFinishAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC);
- if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
- exaFinishAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK);
-
-out_no_clip:
- EXA_POST_FALLBACK(pScreen);
-}
-
-void
-ExaCheckAddTraps (PicturePtr pPicture,
- INT16 x_off,
- INT16 y_off,
- int ntrap,
- xTrap *traps)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- EXA_PRE_FALLBACK(pScreen);
-
- EXA_FALLBACK(("to pict %p (%c)\n",
- exaDrawableLocation(pPicture->pDrawable)));
- exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
- swap(pExaScr, ps, AddTraps);
- ps->AddTraps (pPicture, x_off, y_off, ntrap, traps);
- swap(pExaScr, ps, AddTraps);
- exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK(pScreen);
-}
-
-/**
- * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps
- * that happen to be 1x1. Pixmap must be at least 8bpp.
- */
-CARD32
-exaGetPixmapFirstPixel (PixmapPtr pPixmap)
-{
- switch (pPixmap->drawable.bitsPerPixel) {
- case 32:
- {
- CARD32 pixel;
-
- pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
- ZPixmap, ~0, (char*)&pixel);
- return pixel;
- }
- case 16:
- {
- CARD16 pixel;
-
- pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
- ZPixmap, ~0, (char*)&pixel);
- return pixel;
- }
- case 8:
- {
- CARD8 pixel;
-
- pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
- ZPixmap, ~0, (char*)&pixel);
- return pixel;
- }
- default:
- FatalError("%s called for invalid bpp %d\n", __func__,
- pPixmap->drawable.bitsPerPixel);
- }
-}
+/*
+ *
+ * Copyright © 1999 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "exa_priv.h"
+
+#include "mipict.h"
+
+/*
+ * These functions wrap the low-level fb rendering functions and
+ * synchronize framebuffer/accelerated drawing by stalling until
+ * the accelerator is idle
+ */
+
+/**
+ * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the
+ * current fill style.
+ *
+ * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
+ * 1bpp and never in fb, so we don't worry about them.
+ * We should worry about them for completeness sake and going forward.
+ */
+void
+exaPrepareAccessGC(GCPtr pGC)
+{
+ if (pGC->stipple)
+ exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
+ if (pGC->fillStyle == FillTiled)
+ exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
+}
+
+/**
+ * Finishes access to the tile in the GC, if used.
+ */
+void
+exaFinishAccessGC(GCPtr pGC)
+{
+ if (pGC->fillStyle == FillTiled)
+ exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
+ if (pGC->stipple)
+ exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
+}
+
+#if DEBUG_TRACE_FALL
+char
+exaDrawableLocation(DrawablePtr pDrawable)
+{
+ return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm';
+}
+#endif /* DEBUG_TRACE_FALL */
+
+void
+ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
+ DDXPointPtr ppt, int *pwidth, int fSorted)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->FillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
+ DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ pGC->ops->SetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
+ int x, int y, int w, int h, int leftPad, int format,
+ char *bits)
+{
+ PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
+ ExaPixmapPriv(pPixmap);
+
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ if (!pExaScr->prepare_access_reg || !pExaPixmap->pDamage ||
+ exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle,
+ pGC->alu, pGC->clientClipType))
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ else
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST,
+ DamagePendingRegion(pExaPixmap->pDamage));
+ pGC->ops->PutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ BoxPtr pbox, int nbox, int dx, int dy, Bool reverse,
+ Bool upsidedown, Pixel bitplane, void *closure)
+{
+ RegionRec reg;
+ int xoff, yoff;
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
+ exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
+
+ if (pExaScr->prepare_access_reg) {
+ PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
+
+ exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
+ REGION_INIT(pScreen, &reg, pbox, nbox);
+ REGION_TRANSLATE(pScreen, &reg, xoff + dx, yoff + dy);
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, &reg);
+ REGION_UNINIT(pScreen, &reg);
+ } else
+ exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
+
+ if (pExaScr->prepare_access_reg &&
+ !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
+ pGC->alu, pGC->clientClipType)) {
+ PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
+
+ exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
+ REGION_INIT(pScreen, &reg, pbox, nbox);
+ REGION_TRANSLATE(pScreen, &reg, xoff, yoff);
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, &reg);
+ REGION_UNINIT(pScreen, &reg);
+ } else
+ exaPrepareAccess (pDst, EXA_PREPARE_DEST);
+
+ /* This will eventually call fbCopyNtoN, with some calculation overhead. */
+ while (nbox--) {
+ pGC->ops->CopyArea (pSrc, pDst, pGC, pbox->x1 - pSrc->x + dx, pbox->y1 - pSrc->y + dy,
+ pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, pbox->x1 - pDst->x, pbox->y1 - pDst->y);
+ pbox++;
+ }
+ exaFinishAccess (pSrc, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+static void
+ExaFallbackPrepareReg(DrawablePtr pDrawable,
+ GCPtr pGC,
+ int x, int y, int width, int height,
+ int index, Bool checkReads)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ ExaScreenPriv(pScreen);
+
+ if (pExaScr->prepare_access_reg &&
+ !(checkReads && exaGCReadsDestination(pDrawable,
+ pGC->planemask,
+ pGC->fillStyle,
+ pGC->alu,
+ pGC->clientClipType))) {
+ BoxRec box;
+ RegionRec reg;
+ int xoff, yoff;
+ PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
+
+ exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
+ box.x1 = pDrawable->x + x + xoff;
+ box.y1 = pDrawable->y + y + yoff;
+ box.x2 = box.x1 + width;
+ box.y2 = box.y1 + height;
+
+ REGION_INIT(pScreen, &reg, &box, 1);
+ pExaScr->prepare_access_reg(pPixmap, index, &reg);
+ REGION_UNINIT(pScreen, &reg);
+ } else
+ exaPrepareAccess(pDrawable, index);
+}
+
+
+RegionPtr
+ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty)
+{
+ RegionPtr ret;
+
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
+ exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
+ ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h,
+ EXA_PREPARE_SRC, FALSE);
+ ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h,
+ EXA_PREPARE_DEST, TRUE);
+ ret = pGC->ops->CopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
+ exaFinishAccess (pSrc, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+
+ return ret;
+}
+
+RegionPtr
+ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty,
+ unsigned long bitPlane)
+{
+ RegionPtr ret;
+
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
+ exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
+ ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h,
+ EXA_PREPARE_SRC, FALSE);
+ ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h,
+ EXA_PREPARE_DEST, TRUE);
+ ret = pGC->ops->CopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
+ bitPlane);
+ exaFinishAccess (pSrc, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+
+ return ret;
+}
+
+void
+ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ pGC->ops->PolyPoint (pDrawable, pGC, mode, npt, pptInit);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr ppt)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n",
+ pDrawable, exaDrawableLocation(pDrawable),
+ pGC->lineWidth, mode, npt));
+
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->Polylines (pDrawable, pGC, mode, npt, ppt);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
+ int nsegInit, xSegment *pSegInit)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable,
+ exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit));
+
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->PolySegment (pDrawable, pGC, nsegInit, pSegInit);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *pArcs)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->PolyArc (pDrawable, pGC, narcs, pArcs);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
+ int nrect, xRectangle *prect)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->PolyFillRect (pDrawable, pGC, nrect, prect);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable,
+ exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->ImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
+ exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->PolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
+ DrawablePtr pDrawable,
+ int w, int h, int x, int y)
+{
+ EXA_PRE_FALLBACK_GC(pGC);
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable,
+ exaDrawableLocation(&pBitmap->drawable),
+ exaDrawableLocation(pDrawable)));
+ ExaFallbackPrepareReg(pDrawable, pGC, x, y, w, h,
+ EXA_PREPARE_DEST, TRUE);
+ ExaFallbackPrepareReg(&pBitmap->drawable, pGC, 0, 0, w, h,
+ EXA_PREPARE_SRC, FALSE);
+ exaPrepareAccessGC (pGC);
+ pGC->ops->PushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK_GC(pGC);
+}
+
+void
+ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ DrawablePtr pDrawable = &pWin->drawable;
+ ScreenPtr pScreen = pDrawable->pScreen;
+ EXA_PRE_FALLBACK(pScreen);
+ EXA_FALLBACK(("from %p\n", pWin));
+
+ /* Only need the source bits, the destination region will be overwritten */
+ if (pExaScr->prepare_access_reg) {
+ PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin);
+ int xoff, yoff;
+
+ exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff);
+ REGION_TRANSLATE(pScreen, prgnSrc, xoff, yoff);
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc);
+ REGION_TRANSLATE(pScreen, prgnSrc, -xoff, -yoff);
+ } else
+ exaPrepareAccess(pDrawable, EXA_PREPARE_SRC);
+
+ swap(pExaScr, pScreen, CopyWindow);
+ pScreen->CopyWindow (pWin, ptOldOrg, prgnSrc);
+ swap(pExaScr, pScreen, CopyWindow);
+ exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
+ EXA_POST_FALLBACK(pScreen);
+}
+
+void
+ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h,
+ unsigned int format, unsigned long planeMask, char *d)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ EXA_PRE_FALLBACK(pScreen);
+ EXA_FALLBACK(("from %p (%c)\n", pDrawable,
+ exaDrawableLocation(pDrawable)));
+
+ ExaFallbackPrepareReg(pDrawable, NULL, x, y, w, h,
+ EXA_PREPARE_SRC, FALSE);
+ swap(pExaScr, pScreen, GetImage);
+ pScreen->GetImage (pDrawable, x, y, w, h, format, planeMask, d);
+ swap(pExaScr, pScreen, GetImage);
+ exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
+ EXA_POST_FALLBACK(pScreen);
+}
+
+void
+ExaCheckGetSpans (DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pdstStart)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+
+ EXA_PRE_FALLBACK(pScreen);
+ EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
+ swap(pExaScr, pScreen, GetSpans);
+ pScreen->GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+ swap(pExaScr, pScreen, GetSpans);
+ exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
+ EXA_POST_FALLBACK(pScreen);
+}
+
+static void
+ExaSrcValidate(DrawablePtr pDrawable,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ ExaScreenPriv(pScreen);
+ PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
+ BoxRec box;
+ RegionRec reg;
+ RegionPtr dst;
+ int xoff, yoff;
+
+ exaGetDrawableDeltas(pDrawable, pPix, &xoff, &yoff);
+
+ box.x1 = x + xoff;
+ box.y1 = y + yoff;
+ box.x2 = box.x1 + width;
+ box.y2 = box.y1 + height;
+
+ dst = (pExaScr->srcPix == pPix) ? &pExaScr->srcReg :
+ &pExaScr->maskReg;
+
+ REGION_INIT(pScreen, &reg, &box, 1);
+ REGION_UNION(pScreen, dst, dst, &reg);
+ REGION_UNINIT(pScreen, &reg);
+
+ if (pExaScr->SavedSourceValidate) {
+ swap(pExaScr, pScreen, SourceValidate);
+ pScreen->SourceValidate(pDrawable, x, y, width, height);
+ swap(pExaScr, pScreen, SourceValidate);
+ }
+}
+
+static Bool
+ExaPrepareCompositeReg(ScreenPtr pScreen,
+ CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ RegionRec region;
+ RegionPtr dstReg = NULL;
+ RegionPtr srcReg = NULL;
+ RegionPtr maskReg = NULL;
+ PixmapPtr pSrcPix = NULL;
+ PixmapPtr pMaskPix = NULL;
+ PixmapPtr pDstPix;
+ ExaScreenPriv(pScreen);
+ Bool ret;
+
+
+ REGION_NULL(pScreen, &region);
+
+ if (pSrc->pDrawable) {
+ pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable);
+ REGION_NULL(pScreen, &pExaScr->srcReg);
+ srcReg = &pExaScr->srcReg;
+ pExaScr->srcPix = pSrcPix;
+ if (pSrc != pDst)
+ REGION_TRANSLATE(pScreen, pSrc->pCompositeClip,
+ -pSrc->pDrawable->x,
+ -pSrc->pDrawable->y);
+ }
+
+ if (pMask && pMask->pDrawable) {
+ pMaskPix = exaGetDrawablePixmap(pMask->pDrawable);
+ REGION_NULL(pScreen, &pExaScr->maskReg);
+ maskReg = &pExaScr->maskReg;
+ if (pMask != pDst && pMask != pSrc)
+ REGION_TRANSLATE(pScreen, pMask->pCompositeClip,
+ -pMask->pDrawable->x,
+ -pMask->pDrawable->y);
+ }
+
+ REGION_TRANSLATE(pScreen, pDst->pCompositeClip,
+ -pDst->pDrawable->x,
+ -pDst->pDrawable->y);
+
+ pExaScr->SavedSourceValidate = ExaSrcValidate;
+ swap(pExaScr, pScreen, SourceValidate);
+ ret = miComputeCompositeRegion (&region, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask,
+ xDst,
+ yDst,
+ width, height);
+ swap(pExaScr, pScreen, SourceValidate);
+
+ REGION_TRANSLATE(pScreen, pDst->pCompositeClip,
+ pDst->pDrawable->x,
+ pDst->pDrawable->y);
+ if (pSrc->pDrawable && pSrc != pDst)
+ REGION_TRANSLATE(pScreen, pSrc->pCompositeClip,
+ pSrc->pDrawable->x,
+ pSrc->pDrawable->y);
+ if (pMask && pMask->pDrawable && pMask != pDst && pMask != pSrc)
+ REGION_TRANSLATE(pScreen, pMask->pCompositeClip,
+ pMask->pDrawable->x,
+ pMask->pDrawable->y);
+
+ if (!ret) {
+ if (srcReg)
+ REGION_UNINIT(pScreen, srcReg);
+ if (maskReg)
+ REGION_UNINIT(pScreen, maskReg);
+
+ return FALSE;
+ }
+
+ /**
+ * Don't limit alphamaps readbacks for now until we've figured out how that
+ * should be done.
+ */
+
+ if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
+ pExaScr->prepare_access_reg(exaGetDrawablePixmap(pSrc->alphaMap->pDrawable),
+ EXA_PREPARE_AUX_SRC,
+ NULL);
+ if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
+ pExaScr->prepare_access_reg(exaGetDrawablePixmap(pMask->alphaMap->pDrawable),
+ EXA_PREPARE_AUX_MASK,
+ NULL);
+
+ if (pSrcPix)
+ pExaScr->prepare_access_reg(pSrcPix,
+ EXA_PREPARE_SRC,
+ srcReg);
+
+ if (pMaskPix)
+ pExaScr->prepare_access_reg(pMaskPix,
+ EXA_PREPARE_MASK,
+ maskReg);
+
+ if (srcReg)
+ REGION_UNINIT(pScreen, srcReg);
+ if (maskReg)
+ REGION_UNINIT(pScreen, maskReg);
+
+ pDstPix = exaGetDrawablePixmap(pDst->pDrawable);
+ if (!exaOpReadsDestination(op)) {
+ int xoff;
+ int yoff;
+
+ exaGetDrawableDeltas (pDst->pDrawable, pDstPix, &xoff, &yoff);
+ REGION_TRANSLATE(pScreen, &region, pDst->pDrawable->x + xoff,
+ pDst->pDrawable->y + yoff);
+ dstReg = &region;
+ }
+
+ if (pDst->alphaMap && pDst->alphaMap->pDrawable)
+ pExaScr->prepare_access_reg(exaGetDrawablePixmap(pDst->alphaMap->pDrawable),
+ EXA_PREPARE_AUX_DEST,
+ dstReg);
+ pExaScr->prepare_access_reg(pDstPix, EXA_PREPARE_DEST, dstReg);
+
+ REGION_UNINIT(pScreen, &region);
+ return TRUE;
+}
+
+void
+ExaCheckComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ EXA_PRE_FALLBACK(pScreen);
+
+ if (pExaScr->prepare_access_reg) {
+ if (!ExaPrepareCompositeReg(pScreen, op, pSrc, pMask, pDst, xSrc,
+ ySrc, xMask, yMask, xDst, yDst, width,
+ height))
+ goto out_no_clip;
+ } else {
+
+ /* We need to prepare access to any separate alpha maps first,
+ * in case the driver doesn't support EXA_PREPARE_AUX*,
+ * in which case EXA_PREPARE_SRC may be used for moving them out.
+ */
+
+ if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
+ exaPrepareAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC);
+ if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
+ exaPrepareAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK);
+ if (pDst->alphaMap && pDst->alphaMap->pDrawable)
+ exaPrepareAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST);
+
+ exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
+
+ EXA_FALLBACK(("from picts %p/%p to pict %p\n",
+ pSrc, pMask, pDst));
+
+ if (pSrc->pDrawable != NULL)
+ exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
+ if (pMask && pMask->pDrawable != NULL)
+ exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK);
+ }
+
+ swap(pExaScr, ps, Composite);
+ ps->Composite (op,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc,
+ ySrc,
+ xMask,
+ yMask,
+ xDst,
+ yDst,
+ width,
+ height);
+ swap(pExaScr, ps, Composite);
+ if (pMask && pMask->pDrawable != NULL)
+ exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
+ if (pSrc->pDrawable != NULL)
+ exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
+ if (pDst->alphaMap && pDst->alphaMap->pDrawable)
+ exaFinishAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST);
+ if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
+ exaFinishAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC);
+ if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
+ exaFinishAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK);
+
+out_no_clip:
+ EXA_POST_FALLBACK(pScreen);
+}
+
+void
+ExaCheckAddTraps (PicturePtr pPicture,
+ INT16 x_off,
+ INT16 y_off,
+ int ntrap,
+ xTrap *traps)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ EXA_PRE_FALLBACK(pScreen);
+
+ EXA_FALLBACK(("to pict %p (%c)\n",
+ exaDrawableLocation(pPicture->pDrawable)));
+ exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
+ swap(pExaScr, ps, AddTraps);
+ ps->AddTraps (pPicture, x_off, y_off, ntrap, traps);
+ swap(pExaScr, ps, AddTraps);
+ exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
+ EXA_POST_FALLBACK(pScreen);
+}
+
+/**
+ * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps
+ * that happen to be 1x1. Pixmap must be at least 8bpp.
+ */
+CARD32
+exaGetPixmapFirstPixel (PixmapPtr pPixmap)
+{
+ switch (pPixmap->drawable.bitsPerPixel) {
+ case 32:
+ {
+ CARD32 pixel;
+
+ pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
+ ZPixmap, ~0, (char*)&pixel);
+ return pixel;
+ }
+ case 16:
+ {
+ CARD16 pixel;
+
+ pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
+ ZPixmap, ~0, (char*)&pixel);
+ return pixel;
+ }
+ case 8:
+ {
+ CARD8 pixel;
+
+ pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
+ ZPixmap, ~0, (char*)&pixel);
+ return pixel;
+ }
+ default:
+ FatalError("%s called for invalid bpp %d\n", __FUNCTION__,
+ pPixmap->drawable.bitsPerPixel);
+ }
+}
diff --git a/xorg-server/exa/makefile b/xorg-server/exa/makefile
new file mode 100644
index 000000000..5ad11a1ed
--- /dev/null
+++ b/xorg-server/exa/makefile
@@ -0,0 +1,14 @@
+LIBRARY=libexa
+
+CSRCS = \
+ exa.c \
+ exa_classic.c \
+ exa_migration_classic.c \
+ exa_driver.c \
+ exa_mixed.c \
+ exa_migration_mixed.c \
+ exa_accel.c \
+ exa_glyphs.c \
+ exa_offscreen.c \
+ exa_render.c \
+ exa_unaccel.c