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introduce GAL_DirtyInfo structure to maintain dirty info of memory dc for both shared and no shared surface

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Vincent Wei
2020-02-03 11:52:19 +08:00
parent 8f575fd887
commit 12e4d7bcf5
1 changed files with 17 additions and 12 deletions
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29
src/include/newgal.h
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@@ -115,6 +115,17 @@ typedef int (*GAL_blit)(struct GAL_Surface *src, GAL_Rect *srcrect,
struct GAL_Surface *dst, GAL_Rect *dstrect);
#if IS_COMPOSITING_SCHEMA
typedef struct _DirtyInfo {
/* the dirty age */
unsigned int dirty_age;
/* the number of dirty rects */
int nr_dirty_rcs;
/* the dirty rectangles */
RECT dirty_rcs [NR_DIRTY_RECTS];
} GAL_DirtyInfo;
/*
* Note that the shared surface are always read-only for any process other
* than the creator.
@@ -137,16 +148,8 @@ typedef struct _SharedSurfaceHeader {
int fd;
/* Not zero for hardware surface. */
int byhw;
/* the dirty sync age */
unsigned int dirty_age;
/* the number of dirty rects */
int nr_dirty_rcs;
/* the dirty rectangles */
RECT dirty_rcs [NR_DIRTY_RECTS];
/* The dirty information */
GAL_DirtyInfo dirty_info;
/* the size of the surface */
int width, height;
/* the pitch of the surface */
@@ -199,9 +202,11 @@ typedef struct GAL_Surface {
int refcount; /* Read-mostly */
#if IS_COMPOSITING_SCHEMA
/* the pointer to GAL_SharedSurfaceHeader if the surface
/* The pointer to GAL_SharedSurfaceHeader if the surface
is a shared surface across processes. */
GAL_SharedSurfaceHeader *shared_header;
GAL_SharedSurfaceHeader *shared_header; /* Private */
/* The dirty info for non-shared surface. */
GAL_DirtyInfo *dirty_info; /* Private */
#endif
} GAL_Surface;