APPBROWSER-366: Add DepthwiseConvolutionLayer(fp16 only) support.

Change-Id: I051b7e56b60bf1a55cdf014539ef71346d3aee26
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114737
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>

2 files changed, 77 insertions, 0 deletions

diff --git a/arm_compute/core/GLES_COMPUTE/GCKernels.h b/arm_compute/core/GLES_COMPUTE/GCKernels.h
index c6f4877fa1..5be44984b2 100644
--- a/arm_compute/core/GLES_COMPUTE/GCKernels.h
+++ b/arm_compute/core/GLES_COMPUTE/GCKernels.h
@@ -31,6 +31,7 @@
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCBatchNormalizationLayerKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCCol2ImKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCDepthConcatenateLayerKernel.h"
+#include "arm_compute/core/GLES_COMPUTE/kernels/GCDepthwiseConvolutionLayer3x3Kernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCDirectConvolutionLayerKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCDropoutLayerKernel.h"
 #include "arm_compute/core/GLES_COMPUTE/kernels/GCFillBorderKernel.h"
diff --git a/arm_compute/core/GLES_COMPUTE/kernels/GCDepthwiseConvolutionLayer3x3Kernel.h b/arm_compute/core/GLES_COMPUTE/kernels/GCDepthwiseConvolutionLayer3x3Kernel.h
new file mode 100644
index 0000000000..e10769db5e
--- /dev/null
+++ b/arm_compute/core/GLES_COMPUTE/kernels/GCDepthwiseConvolutionLayer3x3Kernel.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2017 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_GCDEPTHWISECONVOLUTIONKERNEL3x3_H__
+#define __ARM_COMPUTE_GCDEPTHWISECONVOLUTIONKERNEL3x3_H__
+
+#include "arm_compute/core/GLES_COMPUTE/IGCKernel.h"
+
+namespace arm_compute
+{
+class IGCTensor;
+
+/** Interface for the kernel to run a 3x3 depthwise convolution on a tensor.
+ */
+class GCDepthwiseConvolutionLayer3x3Kernel : public IGCKernel
+{
+public:
+    /** Default constructor */
+    GCDepthwiseConvolutionLayer3x3Kernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    GCDepthwiseConvolutionLayer3x3Kernel(const GCDepthwiseConvolutionLayer3x3Kernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    GCDepthwiseConvolutionLayer3x3Kernel &operator=(const GCDepthwiseConvolutionLayer3x3Kernel &) = delete;
+    /** Default Move Constructor. */
+    GCDepthwiseConvolutionLayer3x3Kernel(GCDepthwiseConvolutionLayer3x3Kernel &&) = default;
+    /** Default move assignment operator. */
+    GCDepthwiseConvolutionLayer3x3Kernel &operator=(GCDepthwiseConvolutionLayer3x3Kernel &&) = default;
+    /** Initialize the function's source, destination, conv and border_size.
+     *
+     * @param[in]  input     Source tensor. DataType supported: F16.
+     * @param[in]  weights   Weights tensor. A 3D tensor with dimensions [3, 3, IFM]. Data type supported: Same as @p input.
+     * @param[in]  biases    (Optional) Biases tensor. A 1D tensor with dimensions [IFM]. Must be nullptr if not needed.
+     *                       Data type supported: Same as @p input.
+     * @param[out] output    Destination tensor. Data type supported: Same as @p input.
+     * @param[in]  conv_info Padding and stride information to use for the convolution.
+     */
+    void configure(const IGCTensor *input, const IGCTensor *weights, const IGCTensor *biases, IGCTensor *output, const PadStrideInfo &conv_info);
+
+    // Inherited methods overridden:
+    void run(const Window &window) override;
+    BorderSize border_size() const override;
+
+private:
+    BorderSize       _border_size;
+    const IGCTensor *_input;
+    IGCTensor       *_output;
+    const IGCTensor *_weights;
+    const IGCTensor *_biases;
+    unsigned int     _conv_stride_x;
+    unsigned int     _conv_stride_y;
+    unsigned int     _conv_pad_left;
+    unsigned int     _conv_pad_top;
+    gles::NDRange    _lws;
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_GCDEPTHWISECONVOLUTIONKERNEL3x3_H__ */