outer loop

1 files changed, 29 insertions, 15 deletions

diff --git a/iterjit.c b/iterjit.c
index 5ef5157..d4d6689 100644
--- a/iterjit.c
+++ b/iterjit.c
@@ -190,25 +190,39 @@ dest_iter_create_a8r8g8b8 (jit_dest_iter_t *dest)
 }
 
 void
-generate_kernel (jit_src_iter_t *src_iter,
+generate_kernel (jit_t *jit,
+		 jit_src_iter_t *src_iter,
 		 jit_src_iter_t *mask_iter,
 		 jit_dest_iter_t *dest_iter,
 		 jit_combiner_t *combiner)
 {
-    /* This function does
-     *
-     *     src_iter->setup();
-     *     mask_iter->setup();
-     *	   dest_iter->setup();
-     *     while (height--)
-     *     {
-     *	       dest_iter->process_line (
-     *              dest_iter, src_iter, mask_iter, combiner);
-     *     }
-     *     dest_iter->end();
-     *     mask_iter->end();
-     *     src_iter->end();
-     */
+    reg_context_t context;
+    op_t h = reg_context_alloc (&context, jit->fragment);
+
+    src_iter->begin (src_iter, jit);
+    if (mask_iter)
+	mask_iter->begin (mask_iter, jit);
+    dest_iter->begin (dest_iter, jit);
+
+    BEGIN_ASM (jit->fragment)
+	I_test, h, h,
+	I_jz, LABEL ("done"),
+	DEFINE_LABEL ("outer_loop"),
+    END_ASM ();
+
+    dest_iter->process_line (dest_iter, jit, 
+			     src_iter, mask_iter, combiner);
+    
+    BEGIN_ASM (jit->fragment)
+	I_sub, h, IMM (1),
+	I_jnz, LABEL ("outer_loop"),
+	DEFINE_LABEL ("done"),
+    END_ASM ();
+    
+    dest_iter->end (dest_iter, jit);
+    if (mask_iter)
+	mask_iter->end (mask_iter, jit);
+    src_iter->end (src_iter, jit);
 }
 
 int