115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
/*
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droid vnc server - Android VNC server
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Copyright (C) 2011 Jose Pereira <onaips@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <dlfcn.h>
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#include "gralloc.h"
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#include "common.h"
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void *gralloc_lib = NULL;
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close_fn_type close_gralloc = NULL;
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readfb_fn_type readfb_gralloc = NULL;
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getscreenformat_fn_type getscreenformat_gralloc = NULL;
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int initGralloc(void)
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{
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L("--Loading gralloc native lib--\n");
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int i,len;
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char lib_name[64];
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len=ARR_LEN(compiled_sdks);
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for (i=0;i<len;i++) {
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sprintf(lib_name, DVNC_FILES_PATH "/libdvnc_gralloc_sdk%d.so",compiled_sdks[i]);
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L("Loading lib: %s\n",lib_name);
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gralloc_lib = dlopen(lib_name, RTLD_NOW);
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if (gralloc_lib != NULL)
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break;
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else if(i+1 == len) {
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L("Couldnt load library! Error string: %s\n",dlerror());
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return -1;
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}
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}
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init_fn_type init_gralloc = dlsym(gralloc_lib,"init_gralloc");
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if(init_gralloc == NULL) {
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L("Couldn't load init_gralloc! Error string: %s\n",dlerror());
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return -1;
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}
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close_gralloc = dlsym(gralloc_lib,"close_gralloc");
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if(close_gralloc == NULL) {
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L("Couldn't load close_gralloc! Error string: %s\n",dlerror());
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return -1;
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}
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readfb_gralloc = dlsym(gralloc_lib,"readfb_gralloc");
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if(readfb_gralloc == NULL) {
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L("Couldn't load readfb_gralloc! Error string: %s\n",dlerror());
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return -1;
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}
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getscreenformat_gralloc = dlsym(gralloc_lib,"getscreenformat_gralloc");
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if(getscreenformat_gralloc == NULL) {
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L("Couldn't load get_screenformat! Error string: %s\n",dlerror());
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return -1;
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}
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int ret = init_gralloc();
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if (ret == -1) {
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L("Gralloc method not supported by this device!\n");
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return -1;
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}
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screenformat = getScreenFormatGralloc();
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if ( screenformat.width <= 0 ) {
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L("Error: I have received a bad screen size from gralloc.\n");
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return -1;
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}
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return 0;
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}
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screenFormat getScreenFormatGralloc(void)
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{
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screenFormat f;
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if (getscreenformat_gralloc)
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f = getscreenformat_gralloc();
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return f;
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}
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void closeGralloc(void)
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{
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if (close_gralloc)
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close_gralloc();
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if (gralloc_lib)
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dlclose(gralloc_lib);
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}
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unsigned char *readBufferGralloc(void)
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{
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if (readfb_gralloc)
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return readfb_gralloc();
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return NULL;
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}
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