APPBROWSER-356: Implement GCArithmeticAddition Operator

Change-Id: I4ce55e69b3a76ab3539955d5ad12a226159b1daa
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/114222
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/core/GLES_COMPUTE/cs_shaders/arithmetic_add.cs b/src/core/GLES_COMPUTE/cs_shaders/arithmetic_add.cs
new file mode 100755
index 0000000000..0ff43605ba
--- /dev/null
+++ b/src/core/GLES_COMPUTE/cs_shaders/arithmetic_add.cs
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2016, 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;
+#define ADD(x, y) (x) + (y)
+
+/** This function add two images.
+ *
+ * @param[in]  src1_ptr   Pointer to the first source image. Supported data types: F16
+ * @param[in]  src1_attrs The attributes of the first source image
+ * @param[in]  src2_ptr   Pointer to the second source image. Supported data types: Same as @p src1_ptr
+ * @param[in]  src2_attrs The attributes of the second source image
+ * @param[out] dst_ptr    Pointer to the destination image. Supported data types: Same as @p src1_ptr
+ * @param[in]  dst_attrs  The attributes of the destination image
+ */
+SHADER_PARAMS_DECLARATION
+{
+    ImageAttributes src1_attrs;
+    ImageAttributes src2_attrs;
+    ImageAttributes dst_attrs;
+};
+
+TENSOR_DECLARATION(1, src1Buffer, uvec4, src1_ptr, src1_shift, 4, readonly);
+TENSOR_DECLARATION(2, src2Buffer, uvec4, src2_ptr, src2_shift, 4, readonly);
+TENSOR_DECLARATION(3, dstBuffer, uvec4, dst_ptr, dst_shift, 4, writeonly);
+
+void main(void)
+{
+    ImageIterator src1_iter = CONVERT_TO_IMAGE_ITERATOR(src1_attrs, src1_shift);
+    ImageIterator src2_iter = CONVERT_TO_IMAGE_ITERATOR(src2_attrs, src2_shift);
+    ImageIterator dst_iter  = CONVERT_TO_IMAGE_ITERATOR(dst_attrs, dst_shift);
+
+    vec4 tmp1[2] = LOAD_UNPACK8_CURRENT_ITEM_HALF(src1_ptr, src1_iter);
+    vec4 tmp2[2] = LOAD_UNPACK8_CURRENT_ITEM_HALF(src2_ptr, src2_iter);
+    vec4 addition[2];
+    addition[0] = ADD(tmp1[0], tmp2[0]);
+    addition[1] = ADD(tmp1[1], tmp2[1]);
+
+    STORE_PACK8_CURRENT_ITEM_HALF(dst_ptr, dst_iter, addition);
+}
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