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exa: pixmap sharing infrastructure (v3)

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This just adds exa interfaces for mixed exa so drivers can
share and set shared pixmaps up correctly.

v2: update for passing slave screen.
v3: update for void *

Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-05-24 16:03:31 +01:00
parent fd6c1bf0a3
commit 0b0e714892
4 changed files with 52 additions and 1 deletions
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7
exa/exa.c
View File

@ -782,6 +782,10 @@ exaCloseScreen(ScreenPtr pScreen)
unwrap(pExaScr, pScreen, ChangeWindowAttributes);
unwrap(pExaScr, pScreen, BitmapToRegion);
unwrap(pExaScr, pScreen, CreateScreenResources);
if (pExaScr->SavedSharePixmapBacking)
unwrap(pExaScr, pScreen, SharePixmapBacking);
if (pExaScr->SavedSetSharedPixmapBacking)
unwrap(pExaScr, pScreen, SetSharedPixmapBacking);
unwrap(pExaScr, ps, Composite);
if (pExaScr->SavedGlyphs)
unwrap(pExaScr, ps, Glyphs);
@ -976,6 +980,9 @@ exaDriverInit(ScreenPtr pScreen, ExaDriverPtr pScreenInfo)
wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_mixed);
wrap(pExaScr, pScreen, ModifyPixmapHeader,
exaModifyPixmapHeader_mixed);
wrap(pExaScr, pScreen, SharePixmapBacking, exaSharePixmapBacking_mixed);
wrap(pExaScr, pScreen, SetSharedPixmapBacking, exaSetSharedPixmapBacking_mixed);
pExaScr->do_migration = exaDoMigration_mixed;
pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_mixed;
pExaScr->do_move_in_pixmap = exaMoveInPixmap_mixed;

6
exa/exa.h
View File

@ -39,7 +39,7 @@
#include "fb.h"
#define EXA_VERSION_MAJOR 2
#define EXA_VERSION_MINOR 5
#define EXA_VERSION_MINOR 6
#define EXA_VERSION_RELEASE 0
typedef struct _ExaOffscreenArea ExaOffscreenArea;
@ -694,6 +694,10 @@ typedef struct _ExaDriver {
int depth, int usage_hint, int bitsPerPixel,
int *new_fb_pitch);
/** @} */
Bool (*SharePixmapBacking)(PixmapPtr pPixmap, ScreenPtr slave, void **handle_p);
Bool (*SetSharedPixmapBacking)(PixmapPtr pPixmap, void *handle);
} ExaDriverRec, *ExaDriverPtr;
/** @name EXA driver flags

33
exa/exa_mixed.c
View File

@ -294,3 +294,36 @@ exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap)
return ret;
}
Bool
exaSharePixmapBacking_mixed(PixmapPtr pPixmap, ScreenPtr slave, void **handle_p)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
Bool ret = FALSE;
exaMoveInPixmap(pPixmap);
/* get the driver to give us a handle */
if (pExaScr->info->SharePixmapBacking)
ret = pExaScr->info->SharePixmapBacking(pPixmap, slave, handle_p);
return ret;
}
Bool
exaSetSharedPixmapBacking_mixed(PixmapPtr pPixmap, void *handle)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
Bool ret = FALSE;
if (pExaScr->info->SetSharedPixmapBacking)
ret = pExaScr->info->SetSharedPixmapBacking(pPixmap, handle);
if (ret == TRUE)
exaMoveInPixmap(pPixmap);
return ret;
}

7
exa/exa_priv.h
View File

@ -163,6 +163,8 @@ typedef struct {
BitmapToRegionProcPtr SavedBitmapToRegion;
CreateScreenResourcesProcPtr SavedCreateScreenResources;
ModifyPixmapHeaderProcPtr SavedModifyPixmapHeader;
SharePixmapBackingProcPtr SavedSharePixmapBacking;
SetSharedPixmapBackingProcPtr SavedSetSharedPixmapBacking;
SourceValidateProcPtr SavedSourceValidate;
CompositeProcPtr SavedComposite;
TrianglesProcPtr SavedTriangles;
@ -658,6 +660,11 @@ void
void
exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg);
Bool
exaSetSharedPixmapBacking_mixed(PixmapPtr pPixmap, void *handle);
Bool
exaSharePixmapBacking_mixed(PixmapPtr pPixmap, ScreenPtr slave, void **handle_p);
/* exa_render.c */
Bool
exaOpReadsDestination(CARD8 op);