[Beignet] [PATCH V2 2/4] Add the internal used kernels for buffer copy

[junyan.he at inbox.com]

From: Junyan He <junyan.he at linux.intel.com>

Add internal used kernels for buffer copy. The align
1 4 16 is seperated into three kernels to improve
performance. The CMakeList is also updated.

Signed-off-by: Junyan He <junyan.he at linux.intel.com>
---
 src/CMakeLists.txt                          |   18 ++++++++++++++++++
 src/kernels/cl_internal_copy_buf_align1.cl  |    6 ++++++
 src/kernels/cl_internal_copy_buf_align16.cl |    9 +++++++++
 src/kernels/cl_internal_copy_buf_align4.cl  |    6 ++++++
 4 files changed, 39 insertions(+)
 create mode 100644 src/kernels/cl_internal_copy_buf_align1.cl
 create mode 100644 src/kernels/cl_internal_copy_buf_align16.cl
 create mode 100644 src/kernels/cl_internal_copy_buf_align4.cl

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3fc8689..de3b6d2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,7 +4,25 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR}
                     ${CMAKE_CURRENT_SOURCE_DIR}/../include
                     ${MESA_SOURCE_INCLUDES})
 
+macro (MakeKernelBinStr KERNEL_PATH KERNEL_FILES)
+foreach (KF ${KERNEL_FILES})
+  set (input_file ${KERNEL_PATH}/${KF}.cl)
+  set (output_file ${KERNEL_PATH}/${KF}_str.c)
+  list (APPEND KERNEL_STR_FILES ${output_file})
+  add_custom_command(
+    OUTPUT ${output_file}
+    COMMAND rm -rf ${output_file}
+    COMMAND ${CMAKE_CURRENT_BINARY_DIR}/../backend/src/gbe_bin_generater -s ${input_file} -o${output_file}
+    MAIN_DEPENDENCY ${input_file})
+endforeach (KF)
+endmacro (MakeKernelBinStr)
+
+set (KERNEL_STR_FILES)
+set (KERNEL_NAMES cl_internal_copy_buf_align1 cl_internal_copy_buf_align4 cl_internal_copy_buf_align16)
+MakeKernelBinStr ("${CMAKE_CURRENT_SOURCE_DIR}/kernels/" "${KERNEL_NAMES}")
+
 set(OPENCL_SRC
+    ${KERNEL_STR_FILES}
     cl_api.c
     cl_alloc.c
     cl_kernel.c
diff --git a/src/kernels/cl_internal_copy_buf_align1.cl b/src/kernels/cl_internal_copy_buf_align1.cl
new file mode 100644
index 0000000..ac8bddc
--- /dev/null
+++ b/src/kernels/cl_internal_copy_buf_align1.cl
@@ -0,0 +1,6 @@
+kernel void __cl_cpy_region_align1 ( global char* src, unsigned int src_offset,
+                                     global char* dst, unsigned int dst_offset )
+{
+    int i = get_global_id(0);
+    dst[i+dst_offset] = src[i+src_offset];
+}
diff --git a/src/kernels/cl_internal_copy_buf_align16.cl b/src/kernels/cl_internal_copy_buf_align16.cl
new file mode 100644
index 0000000..dc80966
--- /dev/null
+++ b/src/kernels/cl_internal_copy_buf_align16.cl
@@ -0,0 +1,9 @@
+kernel void __cl_cpy_region_align16 ( global float* src, unsigned int src_offset,
+                                      global float* dst, unsigned int dst_offset )
+{
+    int i = get_global_id(0) * 4;
+    dst[i+dst_offset] = src[i+src_offset];
+    dst[i+dst_offset + 1] = src[i+src_offset + 1];
+    dst[i+dst_offset + 2] = src[i+src_offset + 2];
+    dst[i+dst_offset + 3] = src[i+src_offset + 3];
+}
diff --git a/src/kernels/cl_internal_copy_buf_align4.cl b/src/kernels/cl_internal_copy_buf_align4.cl
new file mode 100644
index 0000000..2c16e60
--- /dev/null
+++ b/src/kernels/cl_internal_copy_buf_align4.cl
@@ -0,0 +1,6 @@
+kernel void __cl_cpy_region_align4 ( global float* src, unsigned int src_offset,
+                                     global float* dst, unsigned int dst_offset )
+{
+    int i = get_global_id(0);
+    dst[i+dst_offset] = src[i+src_offset];
+}
-- 
1.7.9.5