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only mmap software shared surface

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Vincent Wei
2020-03-16 20:45:41 +08:00
parent 96a085170b
commit e67849db69
1 changed files with 12 additions and 11 deletions
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src/newgal/surface-shared.c
+12 -11
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@@ -150,8 +150,6 @@ GAL_Surface * GAL_CreateSharedRGBSurface (GAL_VideoDevice *video,
int fd = -1;
size_t pixels_size;
off_t pixels_off;
off_t map_size;
void* data_map;
GAL_SharedSurfaceHeader* hdr;
int byhw = 1;
@@ -159,9 +157,12 @@ GAL_Surface * GAL_CreateSharedRGBSurface (GAL_VideoDevice *video,
video->AllocSharedHWSurface) {
fd = video->AllocSharedHWSurface (video, surface,
&pixels_size, &pixels_off, rw_modes);
hdr = surface->shared_header;
}
if (fd < 0) { // fallback to use software surface
off_t map_size;
void* data_map;
off_t file_size;
byhw = 0;
@@ -182,17 +183,17 @@ GAL_Surface * GAL_CreateSharedRGBSurface (GAL_VideoDevice *video,
}
surface->video = NULL;
}
map_size = pixels_off + pixels_size;
data_map = mmap (NULL, map_size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (data_map == MAP_FAILED) {
close (fd);
goto error;
}
map_size = pixels_off + pixels_size;
data_map = mmap (NULL, map_size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (data_map == MAP_FAILED) {
close (fd);
goto error;
}
surface->shared_header = hdr = (GAL_SharedSurfaceHeader*)data_map;
surface->shared_header = hdr = (GAL_SharedSurfaceHeader*)data_map;
}
/* fill fileds of shared header */
memset (hdr, 0, sizeof(GAL_SharedSurfaceHeader));