From 32289c7471c09ccab187b340b4f20bc1a01e368e Mon Sep 17 00:00:00 2001
From: jiangjiajun <jiangjiajun@baidu.com>
Date: Mon, 26 Aug 2019 16:41:02 +0800
Subject: [PATCH] add resize op

---
 x2paddle/op_mapper/tf_op_mapper.py | 60 +++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 2 deletions(-)

diff --git a/x2paddle/op_mapper/tf_op_mapper.py b/x2paddle/op_mapper/tf_op_mapper.py
index ba33d6d..87dfccf 100644
--- a/x2paddle/op_mapper/tf_op_mapper.py
+++ b/x2paddle/op_mapper/tf_op_mapper.py
@@ -17,6 +17,7 @@ from x2paddle.core.op_mapper import OpMapper
 from x2paddle.core.util import *
 import inspect
 import numpy
+import sys
 
 
 # compute padding size for SAME mode
@@ -83,18 +84,31 @@ class TFOpMapper(OpMapper):
             del self.graph.input_nodes[idx]
 
         print("Total nodes: {}".format(len(self.graph.topo_sort)))
+        unsupported_ops = set()
         for node_name in self.graph.topo_sort:
             node = self.graph.get_node(node_name)
             op = node.layer_type
             if op in self.directly_map_ops:
+                if len(unsupported_ops) > 0:
+                    continue
                 self.directly_map(node)
             elif op in self.elementwise_ops:
+                if len(unsupported_ops) > 0:
+                    continue
                 self.elementwise_map(node)
             elif hasattr(self, op):
+                if len(unsupported_ops) > 0:
+                    continue
                 func = getattr(self, op)
                 func(node)
             else:
-                raise Exception("OP: [{}] not support yet".format(op))
+                unsupported_ops.add(op)
+        if len(unsupported_ops) > 0:
+            print("=========={} Ops are not supported yet======".format(
+                len(unsupported_ops)))
+            for op in unsupported_ops:
+                print("========== {} ==========".format(op))
+            sys.exit(-1)
 
     def directly_map(self, node):
         assert node.layer_type in self.directly_map_ops
@@ -773,7 +787,15 @@ class TFOpMapper(OpMapper):
             begin = [begin[i] for i in [0, 3, 1, 2]]
             end = [end[i] for i in [0, 3, 1, 2]]
 
-        attr = {"axes": range(len(strides)), "starts": begin, "ends": end}
+        for i in range(len(end)):
+            if end[i] == 0:
+                end[i] = 999999
+
+        attr = {
+            "axes": [i for i in range(len(strides))],
+            "starts": begin,
+            "ends": end
+        }
         node.fluid_code.add_layer("slice",
                                   inputs=input,
                                   output=node,
@@ -955,3 +977,37 @@ class TFOpMapper(OpMapper):
                                   inputs=input,
                                   output=node,
                                   param_attr=attr)
+
+    def ResizeNearestNeighbor(self, node):
+        input = self.graph.get_node(node.layer.input[0], copy=True)
+        resize_shape = self.graph.get_node(node.layer.input[1], copy=True)
+        self.omit_nodes.append(resize_shape.layer_name)
+        if resize_shape.layer_type == "Const":
+            resize_shape = resize_shape.value.tolist()
+        else:
+            resize_shape = self.decoder.infer_shape_tensor(resize_shape)
+        align_corners = node.get_attr("align_corners")
+        attr = {"align_corners": align_corners, "out_shape": resize_shape}
+        node.fluid_code.add_layer("resize_nearest",
+                                  inputs=input,
+                                  output=node,
+                                  param_attr=attr)
+
+    def ResizeBilinear(self, node):
+        input = self.graph.get_node(node.layer.input[0], copy=True)
+        resize_shape = self.graph.get_node(node.layer.input[1], copy=True)
+        self.omit_nodes.append(resize_shape.layer_name)
+        if resize_shape.layer_type == "Const":
+            resize_shape = resize_shape.value.tolist()
+        else:
+            resize_shape = self.decoder.infer_shape_tensor(resize_shape)
+        align_corners = node.get_attr("align_corners")
+        attr = {
+            "align_corners": align_corners,
+            "out_shape": resize_shape,
+            "align_mode": 1
+        }
+        node.fluid_code.add_layer("resize_bilinear",
+                                  inputs=input,
+                                  output=node,
+                                  param_attr=attr)
-- 
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