76 lines
3.0 KiB
C++
76 lines
3.0 KiB
C++
/*
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* Copyright (c) 2017 - 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "runtime/os_interface/debug_settings_manager.h"
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#include "va_sharing_functions.h"
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#include <dlfcn.h>
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namespace Os {
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extern const char *libvaDllName;
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}
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namespace OCLRT {
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std::function<void *(const char *, int)> VASharingFunctions::fdlopen = dlopen;
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std::function<void *(void *handle, const char *symbol)> VASharingFunctions::fdlsym = dlsym;
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std::function<int(void *handle)> VASharingFunctions::fdlclose = dlclose;
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VASharingFunctions::VASharingFunctions(VADisplay vaDisplay) : vaDisplay(vaDisplay) {
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initFunctions();
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};
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VASharingFunctions::~VASharingFunctions() {
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if (libHandle != nullptr) {
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fdlclose(libHandle);
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libHandle = nullptr;
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}
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}
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bool VASharingFunctions::isVaLibraryAvailable() {
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auto lib = fdlopen(Os::libvaDllName, RTLD_LAZY);
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if (lib) {
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fdlclose(lib);
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return true;
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}
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return false;
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}
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void VASharingFunctions::initFunctions() {
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if (DebugManager.flags.EnableVaLibCalls.get()) {
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libHandle = fdlopen(Os::libvaDllName, RTLD_LAZY);
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if (libHandle) {
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vaDisplayIsValidPFN = reinterpret_cast<VADisplayIsValidPFN>(fdlsym(libHandle, "vaDisplayIsValid"));
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vaDeriveImagePFN = reinterpret_cast<VADeriveImagePFN>(fdlsym(libHandle, "vaDeriveImage"));
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vaDestroyImagePFN = reinterpret_cast<VADestroyImagePFN>(fdlsym(libHandle, "vaDestroyImage"));
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vaSyncSurfacePFN = reinterpret_cast<VASyncSurfacePFN>(fdlsym(libHandle, "vaSyncSurface"));
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vaGetLibFuncPFN = reinterpret_cast<VAGetLibFuncPFN>(fdlsym(libHandle, "vaGetLibFunc"));
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vaExtGetSurfaceHandlePFN = reinterpret_cast<VAExtGetSurfaceHandlePFN>(getLibFunc("DdiMedia_ExtGetSurfaceHandle"));
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} else {
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vaDisplayIsValidPFN = nullptr;
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vaDeriveImagePFN = nullptr;
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vaDestroyImagePFN = nullptr;
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vaSyncSurfacePFN = nullptr;
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vaGetLibFuncPFN = nullptr;
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vaExtGetSurfaceHandlePFN = nullptr;
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}
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}
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}
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}
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