Welcome to mirror list, hosted at ThFree Co, Russian Federation.

git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorCampbell Barton <ideasman42@gmail.com>2012-08-09 23:59:36 +0400
committerCampbell Barton <ideasman42@gmail.com>2012-08-09 23:59:36 +0400
commit7a760b4804ab4574e01d7f6d75fc52f93aa2a3b3 (patch)
treeae5d20f881beb00420dd31bd79d9eba033b0ee48
parent9f30c7147cdb726e503ff37ba585f5e35b090d8c (diff)
generate COM_OpenCLKernels.cl.h automatically at build time, this allows editing COM_OpenCLKernels.cl and rebuilding and means we dont have to have both files in svn.
updates made to cmake and scons.
-rw-r--r--SConstruct44
-rw-r--r--build_files/cmake/data_to_c.cmake25
-rwxr-xr-xrelease/datafiles/clkernelstoh.py70
-rw-r--r--source/blender/compositor/CMakeLists.txt18
-rw-r--r--source/blender/compositor/SConscript3
-rw-r--r--source/blender/compositor/intern/COM_WorkScheduler.cpp3
-rw-r--r--source/blender/compositor/operations/COM_OpenCLKernels.cl.h250
7 files changed, 92 insertions, 321 deletions
diff --git a/SConstruct b/SConstruct
index 681e3964a13..faf1835e57d 100644
--- a/SConstruct
+++ b/SConstruct
@@ -445,6 +445,50 @@ if not os.path.isdir ( B.root_build_dir):
# if not os.path.isdir(B.doc_build_dir) and env['WITH_BF_DOCS']:
# os.makedirs ( B.doc_build_dir )
+###################################
+# Ensure all data files are valid #
+###################################
+if not os.path.isdir ( B.root_build_dir + 'data_headers'):
+ os.makedirs ( B.root_build_dir + 'data_headers' )
+# use for includes
+env['DATA_HEADERS'] = "#" + env['BF_BUILDDIR'] + "/data_headers"
+def ensure_data(FILE_FROM, FILE_TO, VAR_NAME):
+ if os.sep == "\\":
+ FILE_FROM = FILE_FROM.replace("/", "\\")
+ FILE_TO = FILE_TO.replace("/", "\\")
+
+ # first check if we need to bother.
+ if os.path.exists(FILE_TO):
+ if os.path.getmtime(FILE_FROM) < os.path.getmtime(FILE_TO):
+ return
+
+ print(B.bc.HEADER + "Generating: " + B.bc.ENDC + "%r" % os.path.basename(FILE_TO))
+ fpin = open(FILE_FROM, "rb")
+ fpin.seek(0, os.SEEK_END)
+ size = fpin.tell()
+ fpin.seek(0)
+
+ fpout = open(FILE_TO, "w")
+ fpout.write("int %s_size = %d;\n" % (VAR_NAME, size))
+ fpout.write("char %s[] = {\n" % VAR_NAME)
+
+ while size > 0:
+ size -= 1
+ if size % 32 == 31:
+ fpout.write("\n")
+
+ fpout.write("%3d," % ord(fpin.read(1)))
+ fpout.write("\n 0};\n\n")
+
+ fpin.close()
+ fpout.close()
+
+ensure_data("source/blender/compositor/operations/COM_OpenCLKernels.cl",
+ B.root_build_dir + "data_headers/COM_OpenCLKernels.cl.h",
+ "clkernelstoh_COM_OpenCLKernels_cl")
+
+##### END DATAFILES ##########
+
Help(opts.GenerateHelpText(env))
# default is new quieter output, but if you need to see the
diff --git a/build_files/cmake/data_to_c.cmake b/build_files/cmake/data_to_c.cmake
new file mode 100644
index 00000000000..b8b18269dc8
--- /dev/null
+++ b/build_files/cmake/data_to_c.cmake
@@ -0,0 +1,25 @@
+# cmake script, to be called on its own with 3 defined args
+#
+# - FILE_FROM
+# - FILE_TO
+# - VAR_NAME
+
+# not highly optimal, may replace with generated C program like makesdna
+file(READ ${FILE_FROM} file_from_string HEX)
+string(LENGTH ${file_from_string} _max_index)
+math(EXPR size_on_disk ${_max_index}/2)
+
+file(REMOVE ${FILE_TO})
+
+file(APPEND ${FILE_TO} "int ${VAR_NAME}_size = ${size_on_disk};\n")
+file(APPEND ${FILE_TO} "char ${VAR_NAME}[] = {")
+
+set(_index 0)
+
+while(NOT _index EQUAL _max_index)
+ string(SUBSTRING "${file_from_string}" ${_index} 2 _pair)
+ file(APPEND ${FILE_TO} "0x${_pair},")
+ math(EXPR _index ${_index}+2)
+endwhile()
+# null terminator not essential but good if we want plane strings encoded
+file(APPEND ${FILE_TO} "0x00};\n")
diff --git a/release/datafiles/clkernelstoh.py b/release/datafiles/clkernelstoh.py
deleted file mode 100755
index 9c24c9e2d03..00000000000
--- a/release/datafiles/clkernelstoh.py
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-
-# ***** BEGIN GPL LICENSE BLOCK *****
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-#
-# The Original Code is Copyright (C) 2012 Blender Foundation.
-# All rights reserved.
-#
-# Contributor(s): Jeroen Bakker
-#
-# ***** END GPL LICENCE BLOCK *****
-
-# <pep8 compliant>
-
-import sys
-import os
-
-if len(sys.argv) < 2:
- sys.stdout.write("Usage: clkernelstoh <cl_file>\n")
- sys.exit(1)
-
-filename = sys.argv[1]
-
-try:
- fpin = open(filename, "r")
-except:
- sys.stdout.write("Unable to open input %s\n" % sys.argv[1])
- sys.exit(1)
-
-if filename[0:2] == "." + os.sep:
- filename = filename[2:]
-
-cname = filename + ".h"
-sys.stdout.write("Making H file <%s>\n" % cname)
-
-filename = filename.split("/")[-1].split("\\")[-1]
-filename = filename.replace(".", "_")
-
-try:
- fpout = open(cname, "w")
-except:
- sys.stdout.write("Unable to open output %s\n" % cname)
- sys.exit(1)
-
-fpout.write("/* clkernelstoh output of file <%s> */\n\n" % filename)
-fpout.write("const char * clkernelstoh_%s = " % filename)
-
-lines = fpin.readlines()
-for line in lines:
- fpout.write("\"")
- fpout.write(line.rstrip())
- fpout.write("\\n\" \\\n")
-fpout.write("\"\\0\";\n")
-
-fpin.close()
-fpout.close()
diff --git a/source/blender/compositor/CMakeLists.txt b/source/blender/compositor/CMakeLists.txt
index 4dc111cebd2..550441be9b7 100644
--- a/source/blender/compositor/CMakeLists.txt
+++ b/source/blender/compositor/CMakeLists.txt
@@ -50,6 +50,21 @@ set(INC_SYS
)
+# --- data file ---
+# ... may make this a macro
+list(APPEND INC
+ ${CMAKE_CURRENT_BINARY_DIR}/operations
+)
+add_custom_command(
+ OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/operations/COM_OpenCLKernels.cl.h
+ COMMAND ${CMAKE_COMMAND}
+ -DFILE_FROM=${CMAKE_CURRENT_SOURCE_DIR}/operations/COM_OpenCLKernels.cl
+ -DFILE_TO=${CMAKE_CURRENT_BINARY_DIR}/operations/COM_OpenCLKernels.cl.h
+ -DVAR_NAME=clkernelstoh_COM_OpenCLKernels_cl
+ -P ${CMAKE_SOURCE_DIR}/build_files/cmake/data_to_c.cmake
+ DEPENDS operations/COM_OpenCLKernels.cl)
+# --- end data file --
+
set(SRC
COM_compositor.h
COM_defines.h
@@ -638,6 +653,9 @@ set(SRC
operations/COM_MaskOperation.cpp
operations/COM_MaskOperation.h
+
+ # generated file
+ ${CMAKE_CURRENT_BINARY_DIR}/operations/COM_OpenCLKernels.cl.h
)
blender_add_lib(bf_compositor "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/source/blender/compositor/SConscript b/source/blender/compositor/SConscript
index d7f18cfa436..9f947ca7327 100644
--- a/source/blender/compositor/SConscript
+++ b/source/blender/compositor/SConscript
@@ -11,4 +11,7 @@ incs += '../opencl ../nodes ../nodes/intern ../nodes/composite '
if env['OURPLATFORM'] in ('win32-vc', 'win32-mingw', 'linuxcross', 'win64-vc'):
incs += ' ' + env['BF_PTHREADS_INC']
+# data files
+incs += ' ' + env['DATA_HEADERS']
+
env.BlenderLib ( 'bf_composite', sources, Split(incs), defines=defs, libtype=['core'], priority = [164] )
diff --git a/source/blender/compositor/intern/COM_WorkScheduler.cpp b/source/blender/compositor/intern/COM_WorkScheduler.cpp
index 849c4affd9c..8c42b05edca 100644
--- a/source/blender/compositor/intern/COM_WorkScheduler.cpp
+++ b/source/blender/compositor/intern/COM_WorkScheduler.cpp
@@ -288,7 +288,8 @@ void WorkScheduler::initialize()
g_context = clCreateContext(NULL, numberOfDevices, cldevices, clContextError, NULL, &error);
if (error != CL_SUCCESS) { printf("CLERROR[%d]: %s\n", error, clewErrorString(error)); }
- g_program = clCreateProgramWithSource(g_context, 1, &clkernelstoh_COM_OpenCLKernels_cl, 0, &error);
+ const char *cl_str[2] = {clkernelstoh_COM_OpenCLKernels_cl, NULL};
+ g_program = clCreateProgramWithSource(g_context, 1, cl_str, 0, &error);
error = clBuildProgram(g_program, numberOfDevices, cldevices, 0, 0, 0);
if (error != CL_SUCCESS) {
cl_int error2;
diff --git a/source/blender/compositor/operations/COM_OpenCLKernels.cl.h b/source/blender/compositor/operations/COM_OpenCLKernels.cl.h
deleted file mode 100644
index e72ed5bf755..00000000000
--- a/source/blender/compositor/operations/COM_OpenCLKernels.cl.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/* clkernelstoh output of file <COM_OpenCLKernels_cl> */
-
-const char * clkernelstoh_COM_OpenCLKernels_cl = "/*\n" \
-" * Copyright 2011, Blender Foundation.\n" \
-" *\n" \
-" * This program is free software; you can redistribute it and/or\n" \
-" * modify it under the terms of the GNU General Public License\n" \
-" * as published by the Free Software Foundation; either version 2\n" \
-" * of the License, or (at your option) any later version.\n" \
-" *\n" \
-" * This program is distributed in the hope that it will be useful,\n" \
-" * but WITHOUT ANY WARRANTY; without even the implied warranty of\n" \
-" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" \
-" * GNU General Public License for more details.\n" \
-" *\n" \
-" * You should have received a copy of the GNU General Public License\n" \
-" * along with this program; if not, write to the Free Software Foundation,\n" \
-" * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\n" \
-" *\n" \
-" * Contributor:\n" \
-" * Jeroen Bakker\n" \
-" * Monique Dewanchand\n" \
-" */\n" \
-"\n" \
-"/// This file contains all opencl kernels for node-operation implementations\n" \
-"\n" \
-"// Global SAMPLERS\n" \
-"const sampler_t SAMPLER_NEAREST = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP_TO_EDGE | CLK_FILTER_NEAREST;\n" \
-"const sampler_t SAMPLER_NEAREST_CLAMP = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP | CLK_FILTER_NEAREST;\n" \
-"\n" \
-"__constant const int2 zero = {0,0};\n" \
-"\n" \
-"// KERNEL --- BOKEH BLUR ---\n" \
-"__kernel void bokehBlurKernel(__read_only image2d_t boundingBox, __read_only image2d_t inputImage,\n" \
-" __read_only image2d_t bokehImage, __write_only image2d_t output,\n" \
-" int2 offsetInput, int2 offsetOutput, int radius, int step, int2 dimension, int2 offset)\n" \
-"{\n" \
-" int2 coords = {get_global_id(0), get_global_id(1)};\n" \
-" coords += offset;\n" \
-" float tempBoundingBox;\n" \
-" float4 color = {0.0f,0.0f,0.0f,0.0f};\n" \
-" float4 multiplyer = {0.0f,0.0f,0.0f,0.0f};\n" \
-" float4 bokeh;\n" \
-" const float radius2 = radius*2.0f;\n" \
-" const int2 realCoordinate = coords + offsetOutput;\n" \
-"\n" \
-" tempBoundingBox = read_imagef(boundingBox, SAMPLER_NEAREST, coords).s0;\n" \
-"\n" \
-" if (tempBoundingBox > 0.0f && radius > 0 ) {\n" \
-" const int2 bokehImageDim = get_image_dim(bokehImage);\n" \
-" const int2 bokehImageCenter = bokehImageDim/2;\n" \
-" const int2 minXY = max(realCoordinate - radius, zero);\n" \
-" const int2 maxXY = min(realCoordinate + radius, dimension);\n" \
-" int nx, ny;\n" \
-"\n" \
-" float2 uv;\n" \
-" int2 inputXy;\n" \
-"\n" \
-" for (ny = minXY.y, inputXy.y = ny - offsetInput.y ; ny < maxXY.y ; ny +=step, inputXy.y+=step) {\n" \
-" uv.y = ((realCoordinate.y-ny)/radius2)*bokehImageDim.y+bokehImageCenter.y;\n" \
-"\n" \
-" for (nx = minXY.x, inputXy.x = nx - offsetInput.x; nx < maxXY.x ; nx +=step, inputXy.x+=step) {\n" \
-" uv.x = ((realCoordinate.x-nx)/radius2)*bokehImageDim.x+bokehImageCenter.x;\n" \
-" bokeh = read_imagef(bokehImage, SAMPLER_NEAREST, uv);\n" \
-" color += bokeh * read_imagef(inputImage, SAMPLER_NEAREST, inputXy);\n" \
-" multiplyer += bokeh;\n" \
-" }\n" \
-" }\n" \
-" color /= multiplyer;\n" \
-"\n" \
-" } else {\n" \
-" int2 imageCoordinates = realCoordinate - offsetInput;\n" \
-" color = read_imagef(inputImage, SAMPLER_NEAREST, imageCoordinates);\n" \
-" }\n" \
-"\n" \
-" write_imagef(output, coords, color);\n" \
-"}\n" \
-"\n" \
-"//KERNEL --- DEFOCUS /VARIABLESIZEBOKEHBLUR ---\n" \
-"__kernel void defocusKernel(__read_only image2d_t inputImage, __read_only image2d_t bokehImage,\n" \
-" __read_only image2d_t inputSize,\n" \
-" __write_only image2d_t output, int2 offsetInput, int2 offsetOutput,\n" \
-" int step, int maxBlur, float threshold, int2 dimension, int2 offset)\n" \
-"{\n" \
-" float4 color = {1.0f, 0.0f, 0.0f, 1.0f};\n" \
-" int2 coords = {get_global_id(0), get_global_id(1)};\n" \
-" coords += offset;\n" \
-" const int2 realCoordinate = coords + offsetOutput;\n" \
-"\n" \
-" float4 readColor;\n" \
-" float4 tempColor;\n" \
-" float4 bokeh;\n" \
-" float size;\n" \
-" float4 multiplier_accum = {1.0f, 1.0f, 1.0f, 1.0f};\n" \
-" float4 color_accum;\n" \
-"\n" \
-" int minx = max(realCoordinate.s0 - maxBlur, 0);\n" \
-" int miny = max(realCoordinate.s1 - maxBlur, 0);\n" \
-" int maxx = min(realCoordinate.s0 + maxBlur, dimension.s0);\n" \
-" int maxy = min(realCoordinate.s1 + maxBlur, dimension.s1);\n" \
-"\n" \
-" {\n" \
-" int2 inputCoordinate = realCoordinate - offsetInput;\n" \
-" float size_center = read_imagef(inputSize, SAMPLER_NEAREST, inputCoordinate).s0;\n" \
-" color_accum = read_imagef(inputImage, SAMPLER_NEAREST, inputCoordinate);\n" \
-" readColor = color_accum;\n" \
-"\n" \
-" if (size_center > threshold) {\n" \
-" for (int ny = miny; ny < maxy; ny += step) {\n" \
-" inputCoordinate.s1 = ny - offsetInput.s1;\n" \
-" float dy = ny - realCoordinate.s1;\n" \
-" for (int nx = minx; nx < maxx; nx += step) {\n" \
-" float dx = nx - realCoordinate.s0;\n" \
-" if (dx != 0 || dy != 0) {\n" \
-" inputCoordinate.s0 = nx - offsetInput.s0;\n" \
-" size = read_imagef(inputSize, SAMPLER_NEAREST, inputCoordinate).s0;\n" \
-" if (size > threshold) {\n" \
-" if (size >= fabs(dx) && size >= fabs(dy)) {\n" \
-" float2 uv = {256.0f + dx * 255.0f / size,\n" \
-" 256.0f + dy * 255.0f / size};\n" \
-" bokeh = read_imagef(bokehImage, SAMPLER_NEAREST, uv);\n" \
-" tempColor = read_imagef(inputImage, SAMPLER_NEAREST, inputCoordinate);\n" \
-" color_accum += bokeh * tempColor;\n" \
-" multiplier_accum += bokeh;\n" \
-" }\n" \
-" }\n" \
-" }\n" \
-" }\n" \
-" }\n" \
-" }\n" \
-"\n" \
-" color = color_accum * (1.0f / multiplier_accum);\n" \
-"\n" \
-" /* blend in out values over the threshold, otherwise we get sharp, ugly transitions */\n" \
-" if ((size_center > threshold) &&\n" \
-" (size_center < threshold * 2.0f))\n" \
-" {\n" \
-" /* factor from 0-1 */\n" \
-" float fac = (size_center - threshold) / threshold;\n" \
-" color = (readColor * (1.0f - fac)) + (color * fac);\n" \
-" }\n" \
-"\n" \
-" write_imagef(output, coords, color);\n" \
-" }\n" \
-"}\n" \
-"\n" \
-"\n" \
-"// KERNEL --- DILATE ---\n" \
-"__kernel void dilateKernel(__read_only image2d_t inputImage, __write_only image2d_t output,\n" \
-" int2 offsetInput, int2 offsetOutput, int scope, int distanceSquared, int2 dimension,\n" \
-" int2 offset)\n" \
-"{\n" \
-" int2 coords = {get_global_id(0), get_global_id(1)};\n" \
-" coords += offset;\n" \
-" const int2 realCoordinate = coords + offsetOutput;\n" \
-"\n" \
-" const int2 minXY = max(realCoordinate - scope, zero);\n" \
-" const int2 maxXY = min(realCoordinate + scope, dimension);\n" \
-"\n" \
-" float value = 0.0f;\n" \
-" int nx, ny;\n" \
-" int2 inputXy;\n" \
-"\n" \
-" for (ny = minXY.y, inputXy.y = ny - offsetInput.y ; ny < maxXY.y ; ny ++, inputXy.y++) {\n" \
-" const float deltaY = (realCoordinate.y - ny);\n" \
-" for (nx = minXY.x, inputXy.x = nx - offsetInput.x; nx < maxXY.x ; nx ++, inputXy.x++) {\n" \
-" const float deltaX = (realCoordinate.x - nx);\n" \
-" const float measuredDistance = deltaX * deltaX + deltaY * deltaY;\n" \
-" if (measuredDistance <= distanceSquared) {\n" \
-" value = max(value, read_imagef(inputImage, SAMPLER_NEAREST, inputXy).s0);\n" \
-" }\n" \
-" }\n" \
-" }\n" \
-"\n" \
-" float4 color = {value,0.0f,0.0f,0.0f};\n" \
-" write_imagef(output, coords, color);\n" \
-"}\n" \
-"\n" \
-"// KERNEL --- DILATE ---\n" \
-"__kernel void erodeKernel(__read_only image2d_t inputImage, __write_only image2d_t output,\n" \
-" int2 offsetInput, int2 offsetOutput, int scope, int distanceSquared, int2 dimension,\n" \
-" int2 offset)\n" \
-"{\n" \
-" int2 coords = {get_global_id(0), get_global_id(1)};\n" \
-" coords += offset;\n" \
-" const int2 realCoordinate = coords + offsetOutput;\n" \
-"\n" \
-" const int2 minXY = max(realCoordinate - scope, zero);\n" \
-" const int2 maxXY = min(realCoordinate + scope, dimension);\n" \
-"\n" \
-" float value = 1.0f;\n" \
-" int nx, ny;\n" \
-" int2 inputXy;\n" \
-"\n" \
-" for (ny = minXY.y, inputXy.y = ny - offsetInput.y ; ny < maxXY.y ; ny ++, inputXy.y++) {\n" \
-" for (nx = minXY.x, inputXy.x = nx - offsetInput.x; nx < maxXY.x ; nx ++, inputXy.x++) {\n" \
-" const float deltaX = (realCoordinate.x - nx);\n" \
-" const float deltaY = (realCoordinate.y - ny);\n" \
-" const float measuredDistance = deltaX * deltaX+deltaY * deltaY;\n" \
-" if (measuredDistance <= distanceSquared) {\n" \
-" value = min(value, read_imagef(inputImage, SAMPLER_NEAREST, inputXy).s0);\n" \
-" }\n" \
-" }\n" \
-" }\n" \
-"\n" \
-" float4 color = {value,0.0f,0.0f,0.0f};\n" \
-" write_imagef(output, coords, color);\n" \
-"}\n" \
-"\n" \
-"// KERNEL --- DIRECTIONAL BLUR ---\n" \
-"__kernel void directionalBlurKernel(__read_only image2d_t inputImage, __write_only image2d_t output,\n" \
-" int2 offsetOutput, int iterations, float scale, float rotation, float2 translate,\n" \
-" float2 center, int2 offset)\n" \
-"{\n" \
-" int2 coords = {get_global_id(0), get_global_id(1)};\n" \
-" coords += offset;\n" \
-" const int2 realCoordinate = coords + offsetOutput;\n" \
-"\n" \
-" float4 col;\n" \
-" float2 ltxy = translate;\n" \
-" float lsc = scale;\n" \
-" float lrot = rotation;\n" \
-"\n" \
-" col = read_imagef(inputImage, SAMPLER_NEAREST, realCoordinate);\n" \
-"\n" \
-" /* blur the image */\n" \
-" for (int i = 0; i < iterations; ++i) {\n" \
-" const float cs = cos(lrot), ss = sin(lrot);\n" \
-" const float isc = 1.0f / (1.0f + lsc);\n" \
-"\n" \
-" const float v = isc * (realCoordinate.s1 - center.s1) + ltxy.s1;\n" \
-" const float u = isc * (realCoordinate.s0 - center.s0) + ltxy.s0;\n" \
-" float2 uv = {\n" \
-" cs * u + ss * v + center.s0,\n" \
-" cs * v - ss * u + center.s1\n" \
-" };\n" \
-"\n" \
-" col += read_imagef(inputImage, SAMPLER_NEAREST_CLAMP, uv);\n" \
-"\n" \
-" /* double transformations */\n" \
-" ltxy += translate;\n" \
-" lrot += rotation;\n" \
-" lsc += scale;\n" \
-" }\n" \
-"\n" \
-" col *= (1.0f/(iterations+1));\n" \
-"\n" \
-" write_imagef(output, coords, col);\n" \
-"}\n" \
-"\0";