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ui: refactor using a common qemu_pixman_shareable

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Use a common shareable type for win32 & unix, and helper functions.
This simplify the code as it avoids a lot of #ifdef'ery.

Note: if it helps review, commits could be reordered to introduce the
common type before introducing shareable memory for unix.

Suggested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-19-marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2024-10-08 16:50:27 +04:00
parent 5f899c34af
commit 1ff788db97
7 changed files with 145 additions and 143 deletions
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24
include/ui/qemu-pixman.h
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@ -12,6 +12,8 @@
#include "pixman-minimal.h"
#endif
#include "qapi/error.h"
/*
* pixman image formats are defined to be native endian,
* that means host byte order on qemu. So we go define
@ -97,7 +99,27 @@ void qemu_pixman_glyph_render(pixman_image_t *glyph,
void qemu_pixman_image_unref(pixman_image_t *image);
void qemu_pixman_shared_image_destroy(pixman_image_t *image, void *data);
#ifdef WIN32
typedef HANDLE qemu_pixman_shareable;
#define SHAREABLE_NONE (NULL)
#define SHAREABLE_TO_PTR(handle) (handle)
#define PTR_TO_SHAREABLE(ptr) (ptr)
#else
typedef int qemu_pixman_shareable;
#define SHAREABLE_NONE (-1)
#define SHAREABLE_TO_PTR(handle) GINT_TO_POINTER(handle)
#define PTR_TO_SHAREABLE(ptr) GPOINTER_TO_INT(ptr)
#endif
bool qemu_pixman_image_new_shareable(
pixman_image_t **image,
qemu_pixman_shareable *handle,
const char *name,
pixman_format_code_t format,
int width,
int height,
int rowstride_bytes,
Error **errp);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref)