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| author | Mark Thompson <sw@jkqxz.net> | 2017-09-10 21:53:35 +0100 |
|---|---|---|
| committer | Mark Thompson <sw@jkqxz.net> | 2017-11-22 23:17:34 +0000 |
| commit | 59d6529333c4550701401d59d67b60454b164b1f (patch) | |
| tree | 0f16b916fbee8c86a77fea010711ee724d2a91e7 | |
| parent | 5c21c41b7da2bac069b09d5a30da6a53f72dbe96 (diff) | |
| download | ffmpeg-59d6529333c4550701401d59d67b60454b164b1f.tar.gz | |
lavfi: Add infrastructure for building OpenCL source into libavfilter
| -rw-r--r-- | libavfilter/Makefile | 6 | ||||
| -rw-r--r-- | libavfilter/opencl_source.h | 22 | ||||
| -rwxr-xr-x | tools/cl2c | 20 |
3 files changed, 48 insertions, 0 deletions
diff --git a/libavfilter/Makefile b/libavfilter/Makefile index 71c6333a52..545ef62e1a 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -405,3 +405,9 @@ TOOLS-$(CONFIG_LIBZMQ) += zmqsend clean:: $(RM) $(CLEANSUFFIXES:%=libavfilter/libmpcodecs/%) + +OPENCL = $(subst $(SRC_PATH)/,,$(wildcard $(SRC_PATH)/libavfilter/opencl/*.cl)) +.SECONDARY: $(OPENCL:.cl=.c) +libavfilter/opencl/%.c: TAG = OPENCL +libavfilter/opencl/%.c: $(SRC_PATH)/libavfilter/opencl/%.cl + $(M)$(SRC_PATH)/tools/cl2c $< $@ diff --git a/libavfilter/opencl_source.h b/libavfilter/opencl_source.h new file mode 100644 index 0000000000..8674a03a94 --- /dev/null +++ b/libavfilter/opencl_source.h @@ -0,0 +1,22 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVFILTER_OPENCL_SOURCE_H +#define AVFILTER_OPENCL_SOURCE_H + +#endif /* AVFILTER_OPENCL_SOURCE_H */ diff --git a/tools/cl2c b/tools/cl2c new file mode 100755 index 0000000000..1ead940811 --- /dev/null +++ b/tools/cl2c @@ -0,0 +1,20 @@ +#!/bin/sh +# Convert an OpenCL source file into a C source file containing the +# OpenCL source as a C string. Also adds a #line directive so that +# compiler messages are useful. + +input="$1" +output="$2" + +name=$(basename "$input" | sed 's/.cl$//') + +cat >$output <<EOF +// Generated from $input +const char *ff_opencl_source_$name = +"#line 1 \"$input\"\n" +EOF + +# Convert \ to \\ and " to \", then add " to the start and end of the line. +cat "$input" | sed 's/\\/\\\\/g;s/\"/\\\"/g;s/^/\"/;s/$/\\n\"/' >>$output + +echo ";" >>$output |