diff options
Diffstat (limited to 'extern/sdlew/auto/sdlew_gen.sh')
| -rwxr-xr-x | extern/sdlew/auto/sdlew_gen.sh | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/extern/sdlew/auto/sdlew_gen.sh b/extern/sdlew/auto/sdlew_gen.sh new file mode 100755 index 00000000000..36a2d939d20 --- /dev/null +++ b/extern/sdlew/auto/sdlew_gen.sh @@ -0,0 +1,250 @@ +#!/bin/bash + +SDL="SDL2" +INCLUDE_DIR="/usr/include/${SDL}" +SCRIPT=`realpath -s $0` +DIR=`dirname $SCRIPT` +DIR=`dirname $DIR` + +mkdir -p $DIR/include/${SDL} +mkdir -p $DIR/src + +rm -rf $DIR/include/${SDL}/*.h +rm -rf $DIR/src/sdlew.c + +echo "Generating sdlew headers..." + +UNSUPPORTED="SDL_MemoryBarrierRelease SDL_MemoryBarrierAcquire SDL_AtomicCAS SDL_AtomicCASPtr \ + SDL_iPhoneSetAnimationCallback SDL_iPhoneSetEventPump SDL_AndroidGetJNIEnv SDL_AndroidGetActivity \ + SDL_AndroidGetActivity SDL_AndroidGetInternalStoragePath SDL_AndroidGetExternalStorageState \ + SDL_AndroidGetExternalStoragePath SDL_CreateShapedWindow SDL_IsShapedWindow tSDL_SetWindowShape \ + SDL_GetShapedWindowMode" + +for header in $INCLUDE_DIR/*; do + filename=`basename $header` + cat $header \ + | sed -r 's/extern DECLSPEC ((const )?[a-z0-9_]+(\s\*)?)\s?SDLCALL /typedef \1 SDLCALL t/i' \ + > $DIR/include/${SDL}/$filename + + line_num=`cat $DIR/include/${SDL}/$filename | grep -n "Ends C function" | cut -d : -f 1` + if [ ! -z "$line_num" ]; then + functions=`grep -E 'typedef [A-Za-z0-9_ \*]+ SDLCALL' $DIR/include/${SDL}/$filename \ + | sed -r 's/typedef [A-Za-z0-9_ \*]+ SDLCALL t([a-z0-9_]+).*/extern t\1 *\1;/i'` + functions=`echo "${functions}" | sed -e 's/[\/&]/\\\&/g'` + echo "$functions" | while read function; do + if [ -z "$function" ]; then + continue; + fi + func_name=`echo $function | cut -d '*' -f 2 | sed -r 's/;//'` + if [ ! -z "`echo "$UNSUPPORTED" | grep $func_name`" ]; then + continue; + fi + if [ "$func_name" == "SDL_memcpy" ]; then + line_num=`cat $DIR/include/${SDL}/$filename | grep -n "SDL_memcpy4" | cut -d : -f 1` + sed -ri "${line_num}s/(.*)/${function}\n\1/" $DIR/include/${SDL}/$filename + else + sed -ri "${line_num}s/(.*)/${function}\n\1/" $DIR/include/${SDL}/$filename + fi + line_num=`cat $DIR/include/${SDL}/$filename | grep -n "Ends C function" | cut -d : -f 1` + done + line_num=`cat $DIR/include/${SDL}/$filename | grep -n "Ends C function" | cut -d : -f 1` + sed -ri "${line_num}s/(.*)/\n\1/" $DIR/include/${SDL}/$filename + fi + + if [ $filename == "SDL_stdinc.h" ]; then + cat $header | grep -E '#if(def)? (defined\()?HAVE_' | sed -r 's/#if(def)? //' | while read check; do + func_names=`cat $DIR/include/${SDL}/$filename \ + | grep -A 8 "$check\$" \ + | grep -v struct \ + | grep 'typedef' \ + | sed -r 's/typedef [a-z0-9_ \*]+ SDLCALL ([a-z0-9_]+).*/\1/i'` + full_check=`echo "${check}" | sed -e 's/[\/&]/\\\&/g'` + if [ ! -z "`echo $full_check | grep defined`" ]; then + full_check="#if !($full_check)" + else + full_check="#ifndef $full_check" + fi + for func_name in $func_names; do + line_num=`grep -n "extern ${func_name} \*" $DIR/include/${SDL}/$filename | cut -d : -f 1` + let prev_num=line_num-1 + if [ -z "`cat $DIR/include/${SDL}/$filename | head -n $prev_num | tail -n 1 | grep '#if'`" ]; then + sed -ri "${line_num}s/(.*)/$full_check \/* GEN_CHECK_MARKER *\/\n\1\n#endif \/* GEN_CHECK_MARKER *\//" $DIR/include/${SDL}/$filename + fi + done + done + fi +done + +cat << EOF > $DIR/include/sdlew.h +/* + * Copyright 2014 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + */ + +#ifndef __SDL_EW_H__ +#define __SDL_EW_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +enum { + SDLEW_SUCCESS = 0, + SDLEW_ERROR_OPEN_FAILED = -1, + SDLEW_ERROR_ATEXIT_FAILED = -2, + SDLEW_ERROR_VERSION = -3, +}; + +int sdlewInit(void); + +#ifdef __cplusplus +} +#endif + +#endif /* __SDL_EW_H__ */ +EOF + +echo "Generating sdlew sources..." + +cat << EOF > $DIR/src/sdlew.c +/* + * Copyright 2014 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + */ + +#ifdef _MSC_VER +# define snprintf _snprintf +# define popen _popen +# define pclose _pclose +# define _CRT_SECURE_NO_WARNINGS +#endif + +#include "sdlew.h" + +#include "${SDL}/SDL.h" +#include "${SDL}/SDL_syswm.h" + +#include <assert.h> +#include <stdio.h> +#include <string.h> +#include <sys/stat.h> + +#ifdef _WIN32 +# define WIN32_LEAN_AND_MEAN +# define VC_EXTRALEAN +# include <windows.h> + +/* Utility macros. */ + +typedef HMODULE DynamicLibrary; + +# define dynamic_library_open(path) LoadLibrary(path) +# define dynamic_library_close(lib) FreeLibrary(lib) +# define dynamic_library_find(lib, symbol) GetProcAddress(lib, symbol) +#else +# include <dlfcn.h> + +typedef void* DynamicLibrary; + +# define dynamic_library_open(path) dlopen(path, RTLD_NOW) +# define dynamic_library_close(lib) dlclose(lib) +# define dynamic_library_find(lib, symbol) dlsym(lib, symbol) +#endif + +#define SDL_LIBRARY_FIND_CHECKED(name) \ + name = (t##name *)dynamic_library_find(lib, #name); \ + assert(name); + +#define SDL_LIBRARY_FIND(name) \ + name = (t##name *)dynamic_library_find(lib, #name); + +static DynamicLibrary lib; + +EOF + +content=`grep --no-filename -ER "extern tSDL|GEN_CHECK_MARKER" $DIR/include/${SDL}/` + +echo "$content" | sed -r 's/extern t([a-z0-9_]+).*/t\1 *\1;/gi' >> $DIR/src/sdlew.c + +cat << EOF >> $DIR/src/sdlew.c + +static void sdlewExit(void) { + if(lib != NULL) { + /* Ignore errors. */ + dynamic_library_close(lib); + lib = NULL; + } +} + +/* Implementation function. */ +int sdlewInit(void) { + /* Library paths. */ +#ifdef _WIN32 + /* Expected in c:/windows/system or similar, no path needed. */ + const char *path = "SDL2.dll"; +#elif defined(__APPLE__) + /* Default installation path. */ + const char *path = "/usr/local/cuda/lib/libSDL2.dylib"; +#else + const char *path = "libSDL2.so"; +#endif + static int initialized = 0; + static int result = 0; + int error; + + if (initialized) { + return result; + } + + initialized = 1; + + error = atexit(sdlewExit); + if (error) { + result = SDLEW_ERROR_ATEXIT_FAILED; + return result; + } + + /* Load library. */ + lib = dynamic_library_open(path); + + if (lib == NULL) { + result = SDLEW_ERROR_OPEN_FAILED; + return result; + } + +EOF + +echo "$content" | sed -r 's/extern t([a-z0-9_]+).*/ SDL_LIBRARY_FIND(\1);/gi' >> $DIR/src/sdlew.c + +cat << EOF >> $DIR/src/sdlew.c + + result = SDLEW_SUCCESS; + + return result; +} +EOF + +sed -i 's/\s\/\* GEN_CHECK_MARKER \*\///g' $DIR/src/sdlew.c +sed -i 's/\s\/\* GEN_CHECK_MARKER \*\///g' $DIR/include/${SDL}/SDL_stdinc.h |