diff options
Diffstat (limited to 'xorg-server/exa/exa_migration_mixed.c')
-rw-r--r-- | xorg-server/exa/exa_migration_mixed.c | 522 |
1 files changed, 261 insertions, 261 deletions
diff --git a/xorg-server/exa/exa_migration_mixed.c b/xorg-server/exa/exa_migration_mixed.c index fb4715135..9489b2927 100644 --- a/xorg-server/exa/exa_migration_mixed.c +++ b/xorg-server/exa/exa_migration_mixed.c @@ -1,261 +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; - 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; - } -} - +/*
+ * 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;
+ }
+}
+
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