COMPMID-1718: Extend DepthConvert to support Cast
Change-Id: I6ee2c0b670727fc808fa636c53ddfaec3a0036c9
diff --git a/arm_compute/runtime/CL/functions/CLCast.h b/arm_compute/runtime/CL/functions/CLCast.h
new file mode 100644
index 0000000..ca50cf1
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+++ b/arm_compute/runtime/CL/functions/CLCast.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCAST_H__
+#define __ARM_COMPUTE_CLCAST_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLDepthConvertLayerKernel. */
+class CLCast : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination
+ *
+ * Input data type must be different than output data type.
+ *
+ * Valid conversions Input -> Output :
+ *
+ * - U8 -> S8, U16, S16, U32, S32, F16, F32
+ * - U16 -> U8, S8, S16, U32, S32, F16, F32
+ * - S16 -> U8, S8, U16, U32, S32, F16, F32
+ * - U32 -> U8, S8, U16, S16, S32, F16, F32
+ * - S32 -> U8, S8, U16, S16, U32, F16, F32
+ * - F16 -> U8, S8, U16, S16, U32, F32
+ * - F32 -> U8, S8, U16, S16, U32, F16
+ *
+ * @param[in] input The input tensor to convert. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32.
+ * @param[out] output The output tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32.
+ * @param[in] policy Conversion policy.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, ConvertPolicy policy);
+ /** Static function to check if given info will lead to a valid configuration of @ref CLCast
+ *
+ * @param[in] input Source tensor info. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32.
+ * @param[in] output Destination tensor info. Data type supported: U8/S8/U16/S16/U32/S32/F16/F32.
+ * @param[in] policy Conversion policy.
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy);
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_CLCAST_H__*/