APPBROWSER-340: Implement NormalizePlanarYUV operator

Change-Id: I943fe27ed83e6c499d8f9919c7083f39f6f25acc
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/113211
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Stephen Li <stephen.li@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/src/core/GLES_COMPUTE/cs_shaders/normalize_planar_yuv_layer.cs b/src/core/GLES_COMPUTE/cs_shaders/normalize_planar_yuv_layer.cs
new file mode 100644
index 0000000000..18a9af74fc
--- /dev/null
+++ b/src/core/GLES_COMPUTE/cs_shaders/normalize_planar_yuv_layer.cs
@@ -0,0 +1,99 @@
+/*
+ * 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.
+ */
+
+layout(local_size_x = LOCAL_SIZE_X, local_size_y = LOCAL_SIZE_Y, local_size_z = LOCAL_SIZE_Z) in;
+
+#include "helpers_cs.h"
+
+precision mediump float;
+
+/** Apply normalize_planar_yuv layer.
+ *
+ * @param[in]  src_ptr    Pointer to the first source tensor. Supported data types: F16
+ * @param[in]  src_attrs  The attributes of the source tensor
+ * @param[out] dst_ptr    Pointer to the destination tensor. Supported data types: same as @p src_ptr
+ * @param[in]  dst_attrs  The attributes of the destination tensor
+ * @param[in]  mean_ptr   Pointer to the mean source tensor. Supported data types: same as @p src_ptr
+ * @param[in]  mean_attrs The attributes of the mean tensor
+ * @param[in]  sd_ptr     Standard deviation values tensor,pointer to the sd tensor. Supported data types: same as @p src_ptr
+ * @param[in]  sd_attrs   The attributes of the sd tensor
+ */
+SHADER_PARAMS_DECLARATION
+{
+    Tensor3DAttributes src_attrs;
+    Tensor3DAttributes dst_attrs;
+    VectorAttributes   mean_attrs;
+    VectorAttributes   sd_attrs;
+};
+
+TENSOR_DECLARATION(1, srcBuffer, uvec2, src_ptr, src_shift, 3, readonly);
+TENSOR_DECLARATION(2, dstBuffer, uvec2, dst_ptr, dst_shift, 3, writeonly);
+TENSOR_DECLARATION(3, meanBuffer, uvec2, mean_ptr, mean_shift, 3, readonly);
+TENSOR_DECLARATION(4, sdBuffer, uvec2, sd_ptr, sd_shift, 3, readonly);
+
+void main(void)
+{
+    Tensor3DIterator src_iter  = CONVERT_TO_TENSOR3D_ITERATOR(src_attrs, src_shift);
+    Tensor3DIterator dst_iter  = CONVERT_TO_TENSOR3D_ITERATOR(dst_attrs, dst_shift);
+    VectorIterator   mean_iter = CONVERT_TO_VECTOR_ITERATOR(mean_attrs, mean_shift);
+    VectorIterator   sd_iter   = CONVERT_TO_VECTOR_ITERATOR(sd_attrs, sd_shift);
+
+    vec4 unpacked_s[3];
+    vec4 tmp;
+    vec4 result;
+
+    uint current_slice = gl_GlobalInvocationID.z;
+    unpacked_s[0]      = LOAD_UNPACK4_CURRENT_ITEM_HALF(src_ptr, src_iter);
+    unpacked_s[1]      = LOAD_UNPACK4_HALF(mean_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(mean_iter, current_slice * mean_attrs.stride_x));
+    unpacked_s[2]      = LOAD_UNPACK4_HALF(sd_ptr, TENSOR_OFFSET_ADVANCE_IN_BYTES(sd_iter, current_slice * sd_attrs.stride_x));
+
+    if((current_slice % uint(4)) == uint(0))
+    {
+        tmp    = unpacked_s[0] - unpacked_s[1].x;
+        result = tmp / unpacked_s[2].x;
+
+        STORE_PACK4_CURRENT_ITEM_HALF(dst_ptr, dst_iter, result);
+    }
+    else if((current_slice % uint(4)) == uint(1))
+    {
+        tmp    = unpacked_s[0] - unpacked_s[1].y;
+        result = tmp / unpacked_s[2].y;
+
+        STORE_PACK4_CURRENT_ITEM_HALF(dst_ptr, dst_iter, result);
+    }
+    else if((current_slice % uint(4)) == uint(2))
+    {
+        tmp    = unpacked_s[0] - unpacked_s[1].z;
+        result = tmp / unpacked_s[2].z;
+
+        STORE_PACK4_CURRENT_ITEM_HALF(dst_ptr, dst_iter, result);
+    }
+    else
+    {
+        tmp    = unpacked_s[0] - unpacked_s[1].w;
+        result = tmp / unpacked_s[2].w;
+
+        STORE_PACK4_CURRENT_ITEM_HALF(dst_ptr, dst_iter, result);
+    }
+}