COMPMID-631: Merge branches/gles_compute branch

Last commit:
commit b25c5f68042b0c81bf611d59a1bb8535e1c42497
Author: Xinghang Zhou <xinghang.zhou@arm.com>
Date:   Wed Oct 25 18:48:10 2017 +0800

    Synced validation's tolerances of GCSoftmax from cl side

Change-Id: Ibe72054205c1c8721845d679a31af7ed0a7c5cf6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93283
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

1 files changed, 187 insertions, 0 deletions

diff --git a/src/core/GLES_COMPUTE/cs_shaders/transpose.cs b/src/core/GLES_COMPUTE/cs_shaders/transpose.cs
new file mode 100755
index 0000000000..6d020fe70d
--- /dev/null
+++ b/src/core/GLES_COMPUTE/cs_shaders/transpose.cs
@@ -0,0 +1,187 @@
+/*
+ * 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.h"
+
+#ifdef DATA_TYPE_FP32
+precision highp float;
+
+BUFFER_DECLARATION(src, 1, float, readonly);
+BUFFER_DECLARATION(dst, 2, float, writeonly);
+
+layout(std140) uniform shader_params
+{
+    IMAGE_PARAM_DECLARATION(src);
+    IMAGE_PARAM_DECLARATION(dst);
+};
+
+#define LOAD16(r, name, offset)          \
+    r.x = LOAD4(name, offset);           \
+    r.y = LOAD4(name, offset + uint(1)); \
+    r.z = LOAD4(name, offset + uint(2)); \
+    r.w = LOAD4(name, offset + uint(3))
+
+#define STORE16(name, offset, r)         \
+    STORE4(name, offset, r.x);           \
+    STORE4(name, offset + uint(1), r.y); \
+    STORE4(name, offset + uint(2), r.z); \
+    STORE4(name, offset + uint(3), r.w)
+
+/** This OpenGL ES kernel computes the matrix transposition of input matrix
+ *
+ * @param[in]  src_ptr                           Pointer to the source matrix. Supported data types: F32
+ * @param[in]  src_stride_x                      Stride of the source matrix in X dimension (in bytes)
+ * @param[in]  src_step_x                        src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  src_stride_y                      Stride of the source matrix in Y dimension (in bytes)
+ * @param[in]  src_step_y                        src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  src_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[out] dst_ptr                           Pointer to the destination matrix Supported data type: same as src_ptr
+ * @param[in]  dst_stride_x                      Stride of the destination matrix in X dimension (in bytes)
+ * @param[in]  dst_step_x                        dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  dst_stride_y                      Stride of the destination matrix in Y dimension (in bytes)
+ * @param[in]  dst_step_y                        dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  dst_offset_first_element_in_bytes The offset of the first element in the destination matrix
+ */
+void main(void)
+{
+    // Compute source address
+    Image src = CONVERT_TO_IMAGE_STRUCT(src);
+    Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
+
+    // Load the NxN block at (x, y)
+    vec4 u0;
+    vec4 u1;
+    vec4 u2;
+    vec4 u3;
+    LOAD16(u0, src, offset(src, 0, 0));
+    LOAD16(u1, src, offset(src, 0, 1));
+    LOAD16(u2, src, offset(src, 0, 2));
+    LOAD16(u3, src, offset(src, 0, 3));
+
+    // Transpose the block
+    vec4 tmp;
+    tmp.xyz = u0.yzw;
+    u0.y    = u1.x;
+    u0.z    = u2.x;
+    u0.w    = u3.x;
+    u1.x    = tmp.x;
+    u2.x    = tmp.y;
+    u3.x    = tmp.z;
+    tmp.xy  = u1.zw;
+    u1.z    = u2.y;
+    u1.w    = u3.y;
+    u2.y    = tmp.x;
+    u3.y    = tmp.y;
+    tmp.x   = u2.w;
+    u2.w    = u3.z;
+    u3.z    = tmp.x;
+
+    // Store the block at (y, x)
+    uint dst_offset_in_bytes = uint(16) * uint(gl_GlobalInvocationID.y) + uint(4) * uint(gl_GlobalInvocationID.x) * (dst.stride_y) + (dst.offset_first_element_in_bytes);
+
+    STORE16(dst, uint((dst_offset_in_bytes + uint(0) * dst.stride_y) >> 2), u0);
+    STORE16(dst, uint((dst_offset_in_bytes + uint(1) * dst.stride_y) >> 2), u1);
+    STORE16(dst, uint((dst_offset_in_bytes + uint(2) * dst.stride_y) >> 2), u2);
+    STORE16(dst, uint((dst_offset_in_bytes + uint(3) * dst.stride_y) >> 2), u3);
+}
+
+#elif defined(DATA_TYPE_FP16)
+precision mediump float;
+
+BUFFER_DECLARATION(src, 1, uvec2, readonly);
+BUFFER_DECLARATION(dst, 2, uvec2, writeonly);
+
+layout(std140) uniform shader_params
+{
+    IMAGE_PARAM_DECLARATION(src);
+    IMAGE_PARAM_DECLARATION(dst);
+};
+
+/** This OpenGL ES kernel computes the matrix transposition of input matrix
+ *
+ * @param[in]  src_ptr                           Pointer to the source matrix. Supported data types: F16
+ * @param[in]  src_stride_x                      Stride of the source matrix in X dimension (in bytes)
+ * @param[in]  src_step_x                        src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  src_stride_y                      Stride of the source matrix in Y dimension (in bytes)
+ * @param[in]  src_step_y                        src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  src_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[out] dst_ptr                           Pointer to the destination matrix Supported data type: same as src_ptr
+ * @param[in]  dst_stride_x                      Stride of the destination matrix in X dimension (in bytes)
+ * @param[in]  dst_step_x                        dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  dst_stride_y                      Stride of the destination matrix in Y dimension (in bytes)
+ * @param[in]  dst_step_y                        dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in]  dst_offset_first_element_in_bytes The offset of the first element in the destination matrix
+ */
+void main(void)
+{
+    // Compute source address
+    Image src = GC_CONVERT_TO_IMAGE_STRUCT(src);
+    Image dst = GC_CONVERT_TO_IMAGE_STRUCT(dst);
+
+    // Load the NxN block at (x, y)
+    vec4  u0;
+    vec4  u1;
+    vec4  u2;
+    vec4  u3;
+    uvec2 packed_s[4];
+    GC_LOAD1_2D_OFFSET(packed_s[0], src, 0, 0);
+    GC_LOAD1_2D_OFFSET(packed_s[1], src, 0, 1);
+    GC_LOAD1_2D_OFFSET(packed_s[2], src, 0, 2);
+    GC_LOAD1_2D_OFFSET(packed_s[3], src, 0, 3);
+    u0 = vec4(unpackHalf2x16(packed_s[0].x), unpackHalf2x16(packed_s[0].y));
+    u1 = vec4(unpackHalf2x16(packed_s[1].x), unpackHalf2x16(packed_s[1].y));
+    u2 = vec4(unpackHalf2x16(packed_s[2].x), unpackHalf2x16(packed_s[2].y));
+    u3 = vec4(unpackHalf2x16(packed_s[3].x), unpackHalf2x16(packed_s[3].y));
+
+    // Transpose the block
+    vec4 tmp;
+    tmp.xyz = u0.yzw;
+    u0.y    = u1.x;
+    u0.z    = u2.x;
+    u0.w    = u3.x;
+    u1.x    = tmp.x;
+    u2.x    = tmp.y;
+    u3.x    = tmp.z;
+    tmp.xy  = u1.zw;
+    u1.z    = u2.y;
+    u1.w    = u3.y;
+    u2.y    = tmp.x;
+    u3.y    = tmp.y;
+    tmp.x   = u2.w;
+    u2.w    = u3.z;
+    u3.z    = tmp.x;
+
+    // Store the block at (y, x)
+    uint dst_offset_in_bytes = uint(8) * uint(gl_GlobalInvocationID.y) + uint(gl_GlobalInvocationID.x) * (dst_step_y) + (dst.offset_first_element_in_bytes);
+
+    packed_s[0] = uvec2(packHalf2x16(u0.xy), packHalf2x16(u0.zw));
+    packed_s[1] = uvec2(packHalf2x16(u1.xy), packHalf2x16(u1.zw));
+    packed_s[2] = uvec2(packHalf2x16(u2.xy), packHalf2x16(u2.zw));
+    packed_s[3] = uvec2(packHalf2x16(u3.xy), packHalf2x16(u3.zw));
+    GC_STORE1(packed_s[0], dst, uint((dst_offset_in_bytes + uint(0) * dst_stride_y) >> 3));
+    GC_STORE1(packed_s[1], dst, uint((dst_offset_in_bytes + uint(1) * dst_stride_y) >> 3));
+    GC_STORE1(packed_s[2], dst, uint((dst_offset_in_bytes + uint(2) * dst_stride_y) >> 3));
+    GC_STORE1(packed_s[3], dst, uint((dst_offset_in_bytes + uint(3) * dst_stride_y) >> 3));
+}
+#endif /*ARM_COMPUTE_ENABLE_FP16*/