1 files changed, 40 insertions, 0 deletions
diff --git a/pixman/pixman/pixman-accessor.h b/pixman/pixman/pixman-accessor.h
new file mode 100644
index 000000000..90c8ea7b7
--- /dev/null
+++ b/pixman/pixman/pixman-accessor.h
@@ -0,0 +1,40 @@
+#ifdef PIXMAN_FB_ACCESSORS
+
+#define ACCESS(sym) sym##_accessors
+
+#define READ(img, ptr)							\
+    (((bits_image_t *)(img))->read_func ((ptr), sizeof(*(ptr))))
+#define WRITE(img, ptr,val)						\
+    (((bits_image_t *)(img))->write_func ((ptr), (val), sizeof (*(ptr))))
+
+#define MEMCPY_WRAPPED(img, dst, src, size)				\
+    do {								\
+	size_t _i;							\
+	uint8_t *_dst = (uint8_t*)(dst), *_src = (uint8_t*)(src);	\
+	for(_i = 0; _i < size; _i++) {					\
+	    WRITE((img), _dst +_i, READ((img), _src + _i));		\
+	}								\
+    } while (0)
+
+#define MEMSET_WRAPPED(img, dst, val, size)				\
+    do {								\
+	size_t _i;							\
+	uint8_t *_dst = (uint8_t*)(dst);				\
+	for(_i = 0; _i < (size_t) size; _i++) {				\
+	    WRITE((img), _dst +_i, (val));				\
+	}								\
+    } while (0)
+
+#else
+
+#define ACCESS(sym) sym
+
+#define READ(img, ptr)		(*(ptr))
+#define WRITE(img, ptr, val)	(*(ptr) = (val))
+#define MEMCPY_WRAPPED(img, dst, src, size)				\
+    memcpy(dst, src, size)
+#define MEMSET_WRAPPED(img, dst, val, size)				\
+    memset(dst, val, size)
+
+#endif
+