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authormarha <marha@users.sourceforge.net>2011-02-21 07:34:07 +0000
committermarha <marha@users.sourceforge.net>2011-02-21 07:34:07 +0000
commitc7ba12a119f88d0d16cf5810297f0aa789f93f4f (patch)
tree06cbb490bbee07a1d7add84c9e3f3f9bead01a86 /xorg-server/exa
parent684eb992146cad24b690073f33b909f47150b841 (diff)
parent248adea786d4a5a9d2c71679722eda734d4e7be7 (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'xorg-server/exa')
-rw-r--r--xorg-server/exa/exa_migration_mixed.c531
1 files changed, 261 insertions, 270 deletions
diff --git a/xorg-server/exa/exa_migration_mixed.c b/xorg-server/exa/exa_migration_mixed.c
index 4f49905d3..9489b2927 100644
--- a/xorg-server/exa/exa_migration_mixed.c
+++ b/xorg-server/exa/exa_migration_mixed.c
@@ -1,270 +1,261 @@
-/*
- * 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"
-
-void
-exaCreateDriverPixmap_mixed(PixmapPtr pPixmap)
-{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- ExaScreenPriv(pScreen);
- ExaPixmapPriv(pPixmap);
- 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 paddedWidth = pExaPixmap->sys_pitch;
-
- /* 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;
-
- (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
- paddedWidth, 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) &&
- !exaPixmapHasGpuCopy (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);
-
- if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
- ExaScreenPriv(pPixmap->drawable.pScreen);
-
- /* This pitch is needed for proper acceleration. For some reason
- * there are pixmaps without pDamage and a bad fb_pitch value.
- * So setting devKind when only exaPixmapHasGpuCopy() is true
- * causes corruption. Pixmaps without pDamage are not migrated
- * and should have a valid devKind at all times, so that's why this
- * isn't causing problems. Pixmaps have their gpu pitch set the
- * first time in the MPH call from exaCreateDriverPixmap_mixed().
- */
- pPixmap->devKind = pExaPixmap->fb_pitch;
- exaCopyDirtyToFb(pixmaps + i);
-
- if (pExaScr->deferred_mixed_pixmap == pPixmap &&
- !pixmaps[i].as_dst && !pixmaps[i].pReg)
- pExaScr->deferred_mixed_pixmap = NULL;
- }
-
- pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(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);
-}
-
-void
-exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure)
-{
- PixmapPtr pPixmap = closure;
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- ExaPixmapPriv(pPixmap);
-
- /* Move back results of software rendering on system memory copy of mixed driver
- * pixmap (see exaPrepareAccessReg_mixed).
- *
- * Defer moving the destination back into the driver pixmap, to try and save
- * overhead on multiple subsequent software fallbacks.
- */
- if (!pExaPixmap->use_gpu_copy && exaPixmapHasGpuCopy(pPixmap)) {
- ExaScreenPriv(pPixmap->drawable.pScreen);
-
- /* Front buffer: Don't wait for the block handler to copy back the data.
- * This avoids annoying latency if you encounter a lot of software rendering.
- */
- if (pPixmap == pScreen->GetScreenPixmap(pScreen))
- exaMoveInPixmap_mixed(pPixmap);
- else {
- if (pExaScr->deferred_mixed_pixmap &&
- pExaScr->deferred_mixed_pixmap != pPixmap)
- exaMoveInPixmap_mixed(pExaScr->deferred_mixed_pixmap);
-
- pExaScr->deferred_mixed_pixmap = pPixmap;
- }
- }
-}
-
-/* With mixed pixmaps, if we fail to get direct access to the driver pixmap, we
- * use the DownloadFromScreen hook to retrieve contents to a copy in system
- * memory, perform software rendering on that and move back the results with the
- * UploadToScreen hook (see exaDamageReport_mixed).
- */
-void
-exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
-{
- ExaPixmapPriv(pPixmap);
- Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
- Bool success;
-
- success = ExaDoPrepareAccess(pPixmap, index);
-
- if (success && has_gpu_copy && pExaPixmap->pDamage) {
- /* You cannot do accelerated operations while a buffer is mapped. */
- exaFinishAccess(&pPixmap->drawable, index);
- /* Update the gpu view of both deferred destination pixmaps and of
- * source pixmaps that were migrated with a bounding region.
- */
- exaMoveInPixmap_mixed(pPixmap);
- success = ExaDoPrepareAccess(pPixmap, index);
-
- if (success) {
- /* We have a gpu pixmap that can be accessed, we don't need the cpu
- * copy anymore. Drivers that prefer DFS, should fail prepare
- * access.
- */
- DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
- DamageDestroy(pExaPixmap->pDamage);
- pExaPixmap->pDamage = NULL;
-
- free(pExaPixmap->sys_ptr);
- pExaPixmap->sys_ptr = NULL;
-
- return;
- }
- }
-
- if (!success) {
- ExaMigrationRec pixmaps[1];
-
- /* Do we need to allocate our system buffer? */
- if (!pExaPixmap->sys_ptr) {
- pExaPixmap->sys_ptr = malloc(pExaPixmap->sys_pitch *
- pPixmap->drawable.height);
- if (!pExaPixmap->sys_ptr)
- FatalError("EXA: malloc failed for size %d bytes\n",
- pExaPixmap->sys_pitch * pPixmap->drawable.height);
- }
-
- 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;
-
- if (!pExaPixmap->pDamage &&
- (has_gpu_copy || !exaPixmapIsPinned(pPixmap))) {
- Bool as_dst = pixmaps[0].as_dst;
-
- /* Set up damage tracking */
- pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL,
- DamageReportNonEmpty, TRUE,
- pPixmap->drawable.pScreen,
- pPixmap);
-
- DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage);
- /* This ensures that pending damage reflects the current operation. */
- /* This is used by exa to optimize migration. */
- DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE);
-
- if (has_gpu_copy) {
- exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
- pPixmap->drawable.height);
-
- /* We don't know which region of the destination will be damaged,
- * have to assume all of it
- */
- if (as_dst) {
- pixmaps[0].as_dst = FALSE;
- pixmaps[0].as_src = TRUE;
- pixmaps[0].pReg = NULL;
- }
- exaCopyDirtyToSys(pixmaps);
- }
-
- if (as_dst)
- exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
- pPixmap->drawable.height);
- } else if (has_gpu_copy)
- exaCopyDirtyToSys(pixmaps);
-
- pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
- pPixmap->devKind = pExaPixmap->sys_pitch;
- pExaPixmap->use_gpu_copy = FALSE;
- }
-}
-
+/*
+ * 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"
+
+void
+exaCreateDriverPixmap_mixed(PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ ExaPixmapPriv(pPixmap);
+ 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 paddedWidth = pExaPixmap->sys_pitch;
+
+ /* 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;
+
+ (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
+ paddedWidth, 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) &&
+ !exaPixmapHasGpuCopy (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);
+
+ if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
+ ExaScreenPriv(pPixmap->drawable.pScreen);
+
+ /* This pitch is needed for proper acceleration. For some reason
+ * there are pixmaps without pDamage and a bad fb_pitch value.
+ * So setting devKind when only exaPixmapHasGpuCopy() is true
+ * causes corruption. Pixmaps without pDamage are not migrated
+ * and should have a valid devKind at all times, so that's why this
+ * isn't causing problems. Pixmaps have their gpu pitch set the
+ * first time in the MPH call from exaCreateDriverPixmap_mixed().
+ */
+ pPixmap->devKind = pExaPixmap->fb_pitch;
+ exaCopyDirtyToFb(pixmaps + i);
+
+ if (pExaScr->deferred_mixed_pixmap == pPixmap &&
+ !pixmaps[i].as_dst && !pixmaps[i].pReg)
+ pExaScr->deferred_mixed_pixmap = NULL;
+ }
+
+ pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(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);
+}
+
+void
+exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure)
+{
+ PixmapPtr pPixmap = closure;
+ ExaPixmapPriv(pPixmap);
+
+ /* Move back results of software rendering on system memory copy of mixed driver
+ * pixmap (see exaPrepareAccessReg_mixed).
+ *
+ * Defer moving the destination back into the driver pixmap, to try and save
+ * overhead on multiple subsequent software fallbacks.
+ */
+ if (!pExaPixmap->use_gpu_copy && exaPixmapHasGpuCopy(pPixmap)) {
+ ExaScreenPriv(pPixmap->drawable.pScreen);
+
+ if (pExaScr->deferred_mixed_pixmap &&
+ pExaScr->deferred_mixed_pixmap != pPixmap)
+ exaMoveInPixmap_mixed(pExaScr->deferred_mixed_pixmap);
+ pExaScr->deferred_mixed_pixmap = pPixmap;
+ }
+}
+
+/* With mixed pixmaps, if we fail to get direct access to the driver pixmap, we
+ * use the DownloadFromScreen hook to retrieve contents to a copy in system
+ * memory, perform software rendering on that and move back the results with the
+ * UploadToScreen hook (see exaDamageReport_mixed).
+ */
+void
+exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
+{
+ ExaPixmapPriv(pPixmap);
+ Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+ Bool success;
+
+ success = ExaDoPrepareAccess(pPixmap, index);
+
+ if (success && has_gpu_copy && pExaPixmap->pDamage) {
+ /* You cannot do accelerated operations while a buffer is mapped. */
+ exaFinishAccess(&pPixmap->drawable, index);
+ /* Update the gpu view of both deferred destination pixmaps and of
+ * source pixmaps that were migrated with a bounding region.
+ */
+ exaMoveInPixmap_mixed(pPixmap);
+ success = ExaDoPrepareAccess(pPixmap, index);
+
+ if (success) {
+ /* We have a gpu pixmap that can be accessed, we don't need the cpu
+ * copy anymore. Drivers that prefer DFS, should fail prepare
+ * access.
+ */
+ DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+ DamageDestroy(pExaPixmap->pDamage);
+ pExaPixmap->pDamage = NULL;
+
+ free(pExaPixmap->sys_ptr);
+ pExaPixmap->sys_ptr = NULL;
+
+ return;
+ }
+ }
+
+ if (!success) {
+ ExaMigrationRec pixmaps[1];
+
+ /* Do we need to allocate our system buffer? */
+ if (!pExaPixmap->sys_ptr) {
+ pExaPixmap->sys_ptr = malloc(pExaPixmap->sys_pitch *
+ pPixmap->drawable.height);
+ if (!pExaPixmap->sys_ptr)
+ FatalError("EXA: malloc failed for size %d bytes\n",
+ pExaPixmap->sys_pitch * pPixmap->drawable.height);
+ }
+
+ 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;
+
+ if (!pExaPixmap->pDamage &&
+ (has_gpu_copy || !exaPixmapIsPinned(pPixmap))) {
+ Bool as_dst = pixmaps[0].as_dst;
+
+ /* Set up damage tracking */
+ pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL,
+ DamageReportNonEmpty, TRUE,
+ pPixmap->drawable.pScreen,
+ pPixmap);
+
+ DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage);
+ /* This ensures that pending damage reflects the current operation. */
+ /* This is used by exa to optimize migration. */
+ DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE);
+
+ if (has_gpu_copy) {
+ exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
+ pPixmap->drawable.height);
+
+ /* We don't know which region of the destination will be damaged,
+ * have to assume all of it
+ */
+ if (as_dst) {
+ pixmaps[0].as_dst = FALSE;
+ pixmaps[0].as_src = TRUE;
+ pixmaps[0].pReg = NULL;
+ }
+ exaCopyDirtyToSys(pixmaps);
+ }
+
+ if (as_dst)
+ exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
+ pPixmap->drawable.height);
+ } else if (has_gpu_copy)
+ exaCopyDirtyToSys(pixmaps);
+
+ pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
+ pPixmap->devKind = pExaPixmap->sys_pitch;
+ pExaPixmap->use_gpu_copy = FALSE;
+ }
+}
+