--- /dev/null
+/*
+ * Copyright © 2009 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Red Hat not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. Red Hat makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include "pixman-private.h"
+
+static void
+delegate_composite (pixman_implementation_t * imp,
+ pixman_op_t op,
+ pixman_image_t * src,
+ pixman_image_t * mask,
+ pixman_image_t * dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ _pixman_implementation_composite (imp->delegate,
+ op,
+ src, mask, dest,
+ src_x, src_y,
+ mask_x, mask_y,
+ dest_x, dest_y,
+ width, height);
+}
+
+static void
+delegate_combine_32 (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint32_t * dest,
+ const uint32_t * src,
+ const uint32_t * mask,
+ int width)
+{
+ _pixman_implementation_combine_32 (imp->delegate,
+ op, dest, src, mask, width);
+}
+
+static void
+delegate_combine_64 (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint64_t * dest,
+ const uint64_t * src,
+ const uint64_t * mask,
+ int width)
+{
+ _pixman_implementation_combine_64 (imp->delegate,
+ op, dest, src, mask, width);
+}
+
+pixman_implementation_t *
+_pixman_implementation_create (pixman_implementation_t *toplevel,
+ pixman_implementation_t *delegate)
+{
+ pixman_implementation_t *imp = malloc (sizeof (pixman_implementation_t));
+ int i;
+
+ if (!imp)
+ return NULL;
+
+ if (toplevel)
+ imp->toplevel = toplevel;
+ else
+ imp->toplevel = imp;
+
+ if (delegate)
+ delegate->toplevel = imp->toplevel;
+
+ imp->delegate = delegate;
+
+ /* Fill out function pointers with ones that just delegate
+ */
+ imp->composite = delegate_composite;
+
+ for (i = 0; i < PIXMAN_OP_LAST; ++i)
+ {
+ imp->combine_32[i] = delegate_combine_32;
+ imp->combine_64[i] = delegate_combine_64;
+ }
+
+ return imp;
+}
+
+void
+_pixman_implementation_combine_32 (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint32_t * dest,
+ const uint32_t * src,
+ const uint32_t * mask,
+ int width)
+{
+ (* imp->delegate->combine_32[op]) (imp, op, dest, src, mask, width);
+}
+
+void
+_pixman_implementation_combine_64 (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint64_t * dest,
+ const uint64_t * src,
+ const uint64_t * mask,
+ int width)
+{
+ (* imp->delegate->combine_64[op]) (imp, op, dest, src, mask, width);
+}
+
+void
+_pixman_implementation_composite (pixman_implementation_t * imp,
+ pixman_op_t op,
+ pixman_image_t * src,
+ pixman_image_t * mask,
+ pixman_image_t * dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height)
+{
+ (* imp->delegate->composite) (imp, op,
+ src, mask, dest,
+ src_x, src_y, mask_x, mask_y, dest_x, dest_y,
+ width, height);
+}
#endif /* PIXMAN_TIMING */
+typedef struct pixman_implementation_t pixman_implementation_t;
+
+typedef void (* pixman_combine_32_func_t) (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint32_t * dest,
+ const uint32_t * src,
+ const uint32_t * mask,
+ int width);
+
+typedef void (* pixman_combine_64_func_t) (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint64_t * dest,
+ const uint64_t * src,
+ const uint64_t * mask,
+ int width);
+
+typedef void (* pixman_composite_func_t) (pixman_implementation_t * imp,
+ pixman_op_t op,
+ pixman_image_t * src,
+ pixman_image_t * mask,
+ pixman_image_t * dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height);
+
+struct pixman_implementation_t
+{
+ pixman_implementation_t * toplevel;
+ pixman_implementation_t * delegate;
+
+ pixman_composite_func_t composite;
+
+ pixman_combine_32_func_t combine_32[PIXMAN_OP_LAST];
+ pixman_combine_64_func_t combine_64[PIXMAN_OP_LAST];
+};
+
+void
+_pixman_implementation_combine_32 (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint32_t * dest,
+ const uint32_t * src,
+ const uint32_t * mask,
+ int width);
+void
+_pixman_implementation_combine_64 (pixman_implementation_t * imp,
+ pixman_op_t op,
+ uint64_t * dest,
+ const uint64_t * src,
+ const uint64_t * mask,
+ int width);
+void
+_pixman_implementation_composite (pixman_implementation_t * imp,
+ pixman_op_t op,
+ pixman_image_t * src,
+ pixman_image_t * mask,
+ pixman_image_t * dest,
+ int32_t src_x,
+ int32_t src_y,
+ int32_t mask_x,
+ int32_t mask_y,
+ int32_t dest_x,
+ int32_t dest_y,
+ int32_t width,
+ int32_t height);
+
#endif /* PIXMAN_PRIVATE_H */