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gdk: use portable wide stores for 0888 conversion

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Daemonratte 2026-09-01 14:42:26 +02:00
commit ca4d48d2a2
1 changed files with 4 additions and 15 deletions
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19
gdk/gdkrgb.c
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@ -2279,24 +2279,13 @@ gdk_rgb_convert_888_lsb (GdkRgbInfo *image_info, GdkImage *image,
/* convert 24-bit packed to 32-bit unpacked */
/* todo: optimize this */
#if G_BYTE_ORDER == G_LITTLE_ENDIAN && GLIB_SIZEOF_VOID_P == 8 && \
(defined(__x86_64__) || defined(__amd64__))
#define GDK_RGB_STORE_0888(p, bp) G_STMT_START { \
guint32 pixel; \
pixel = 0xff000000U | \
((guint32) (bp)[0] << 16) | \
((guint32) (bp)[1] << 8) | \
(guint32) (bp)[2]; \
guint32 pixel = GUINT32_TO_LE (0xff000000U | \
((guint32) (bp)[0] << 16) | \
((guint32) (bp)[1] << 8) | \
(guint32) (bp)[2]); \
memcpy ((p), &pixel, sizeof (pixel)); \
} G_STMT_END
#else
#define GDK_RGB_STORE_0888(p, bp) G_STMT_START { \
(p)[0] = (bp)[2]; \
(p)[1] = (bp)[1]; \
(p)[2] = (bp)[0]; \
(p)[3] = 0xff; \
} G_STMT_END
#endif
#define GDK_RGB_STORE_0888_BR(p, bp) G_STMT_START { \
(p)[0] = 0xff; \