diff options
Diffstat (limited to 'indra/llimage/llimagej2c.cpp')
-rw-r--r-- | indra/llimage/llimagej2c.cpp | 162 |
1 files changed, 7 insertions, 155 deletions
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp index 22610817e4..789a34a251 100644 --- a/indra/llimage/llimagej2c.cpp +++ b/indra/llimage/llimagej2c.cpp @@ -24,9 +24,6 @@ */ #include "linden_common.h" -#include "apr_pools.h" -#include "apr_dso.h" - #include "lldir.h" #include "llimagej2c.h" #include "llmemtype.h" @@ -37,18 +34,10 @@ typedef LLImageJ2CImpl* (*CreateLLImageJ2CFunction)(); typedef void (*DestroyLLImageJ2CFunction)(LLImageJ2CImpl*); typedef const char* (*EngineInfoLLImageJ2CFunction)(); -//some "private static" variables so we only attempt to load -//dynamic libaries once -CreateLLImageJ2CFunction j2cimpl_create_func; -DestroyLLImageJ2CFunction j2cimpl_destroy_func; -EngineInfoLLImageJ2CFunction j2cimpl_engineinfo_func; -apr_pool_t *j2cimpl_dso_memory_pool; -apr_dso_handle_t *j2cimpl_dso_handle; - -//Declare the prototype for theses functions here, their functionality -//will be implemented in other files which define a derived LLImageJ2CImpl -//but only ONE static library which has the implementation for this -//function should ever be included +// Declare the prototype for theses functions here. Their functionality +// will be implemented in other files which define a derived LLImageJ2CImpl +// but only ONE static library which has the implementation for these +// functions should ever be included. LLImageJ2CImpl* fallbackCreateLLImageJ2CImpl(); void fallbackDestroyLLImageJ2CImpl(LLImageJ2CImpl* impl); const char* fallbackEngineInfoLLImageJ2CImpl(); @@ -58,120 +47,9 @@ LLImageCompressionTester* LLImageJ2C::sTesterp = NULL ; const std::string sTesterName("ImageCompressionTester"); //static -//Loads the required "create", "destroy" and "engineinfo" functions needed -void LLImageJ2C::openDSO() -{ - //attempt to load a DSO and get some functions from it - std::string dso_name; - std::string dso_path; - - bool all_functions_loaded = false; - apr_status_t rv; - -#if LL_WINDOWS - dso_name = "llkdu.dll"; -#elif LL_DARWIN - dso_name = "libllkdu.dylib"; -#else - dso_name = "libllkdu.so"; -#endif - - dso_path = gDirUtilp->findFile(dso_name, - gDirUtilp->getAppRODataDir(), - gDirUtilp->getExecutableDir()); - - j2cimpl_dso_handle = NULL; - j2cimpl_dso_memory_pool = NULL; - - //attempt to load the shared library - apr_pool_create(&j2cimpl_dso_memory_pool, NULL); - rv = apr_dso_load(&j2cimpl_dso_handle, - dso_path.c_str(), - j2cimpl_dso_memory_pool); - - //now, check for success - if ( rv == APR_SUCCESS ) - { - //found the dynamic library - //now we want to load the functions we're interested in - CreateLLImageJ2CFunction create_func = NULL; - DestroyLLImageJ2CFunction dest_func = NULL; - EngineInfoLLImageJ2CFunction engineinfo_func = NULL; - - rv = apr_dso_sym((apr_dso_handle_sym_t*)&create_func, - j2cimpl_dso_handle, - "createLLImageJ2CKDU"); - if ( rv == APR_SUCCESS ) - { - //we've loaded the create function ok - //we need to delete via the DSO too - //so lets check for a destruction function - rv = apr_dso_sym((apr_dso_handle_sym_t*)&dest_func, - j2cimpl_dso_handle, - "destroyLLImageJ2CKDU"); - if ( rv == APR_SUCCESS ) - { - //we've loaded the destroy function ok - rv = apr_dso_sym((apr_dso_handle_sym_t*)&engineinfo_func, - j2cimpl_dso_handle, - "engineInfoLLImageJ2CKDU"); - if ( rv == APR_SUCCESS ) - { - //ok, everything is loaded alright - j2cimpl_create_func = create_func; - j2cimpl_destroy_func = dest_func; - j2cimpl_engineinfo_func = engineinfo_func; - all_functions_loaded = true; - } - } - } - } - - if ( !all_functions_loaded ) - { - //something went wrong with the DSO or function loading.. - //fall back onto our satefy impl creation function - -#if 0 - // precious verbose debugging, sadly we can't use our - // 'llinfos' stream etc. this early in the initialisation seq. - char errbuf[256]; - fprintf(stderr, "failed to load syms from DSO %s (%s)\n", - dso_name.c_str(), dso_path.c_str()); - apr_strerror(rv, errbuf, sizeof(errbuf)); - fprintf(stderr, "error: %d, %s\n", rv, errbuf); - apr_dso_error(j2cimpl_dso_handle, errbuf, sizeof(errbuf)); - fprintf(stderr, "dso-error: %d, %s\n", rv, errbuf); -#endif - - if ( j2cimpl_dso_handle ) - { - apr_dso_unload(j2cimpl_dso_handle); - j2cimpl_dso_handle = NULL; - } - - if ( j2cimpl_dso_memory_pool ) - { - apr_pool_destroy(j2cimpl_dso_memory_pool); - j2cimpl_dso_memory_pool = NULL; - } - } -} - -//static -void LLImageJ2C::closeDSO() -{ - if ( j2cimpl_dso_handle ) apr_dso_unload(j2cimpl_dso_handle); - if (j2cimpl_dso_memory_pool) apr_pool_destroy(j2cimpl_dso_memory_pool); -} - -//static std::string LLImageJ2C::getEngineInfo() { - if (!j2cimpl_engineinfo_func) - j2cimpl_engineinfo_func = fallbackEngineInfoLLImageJ2CImpl; - - return j2cimpl_engineinfo_func(); + return fallbackEngineInfoLLImageJ2CImpl(); } LLImageJ2C::LLImageJ2C() : LLImageFormatted(IMG_CODEC_J2C), @@ -181,20 +59,7 @@ LLImageJ2C::LLImageJ2C() : LLImageFormatted(IMG_CODEC_J2C), mReversible(FALSE), mAreaUsedForDataSizeCalcs(0) { - //We assume here that if we wanted to create via - //a dynamic library that the approriate open calls were made - //before any calls to this constructor. - - //Therefore, a NULL creation function pointer here means - //we either did not want to create using functions from the dynamic - //library or there were issues loading it, either way - //use our fall back - if ( !j2cimpl_create_func ) - { - j2cimpl_create_func = fallbackCreateLLImageJ2CImpl; - } - - mImpl = j2cimpl_create_func(); + mImpl = fallbackCreateLLImageJ2CImpl(); // Clear data size table for( S32 i = 0; i <= MAX_DISCARD_LEVEL; i++) @@ -216,22 +81,9 @@ LLImageJ2C::LLImageJ2C() : LLImageFormatted(IMG_CODEC_J2C), // virtual LLImageJ2C::~LLImageJ2C() { - //We assume here that if we wanted to destroy via - //a dynamic library that the approriate open calls were made - //before any calls to this destructor. - - //Therefore, a NULL creation function pointer here means - //we either did not want to destroy using functions from the dynamic - //library or there were issues loading it, either way - //use our fall back - if ( !j2cimpl_destroy_func ) - { - j2cimpl_destroy_func = fallbackDestroyLLImageJ2CImpl; - } - if ( mImpl ) { - j2cimpl_destroy_func(mImpl); + fallbackDestroyLLImageJ2CImpl(mImpl); } } |