5 // You may obtain a copy of the License at
7 //    http://www.apache.org/licenses/LICENSE-2.0
30 // This is a base abstract class for all external semaphore implementations
37 	// Initialize new instance with a given initial state.
61 	virtual VkResult exportHandle(zx_handle_t *pHandle)  in exportHandle()  argument
94 // Create a new instance. The external instance will be allocated only
95 // the pCreateInfo->pNext chain indicates it needs to be exported.
98 	for(const auto *nextInfo = reinterpret_cast<const VkBaseInStructure *>(pCreateInfo->pNext);  in SemaphoreCreateInfo()
99 	    nextInfo != nullptr; nextInfo = nextInfo->pNext)  in SemaphoreCreateInfo()
101 		switch(nextInfo->sType)  in SemaphoreCreateInfo()
107 				exportHandleTypes = exportInfo->handleTypes;  in SemaphoreCreateInfo()
110 					UNSUPPORTED("exportInfo->handleTypes 0x%X (supports 0x%X)",  in SemaphoreCreateInfo()
119 				semaphoreType = tlsInfo->semaphoreType;  in SemaphoreCreateInfo()
120 				initialPayload = tlsInfo->initialValue;  in SemaphoreCreateInfo()
124 			WARN("nextInfo->sType = %s", vk::Stringify(nextInfo->sType).c_str());  in SemaphoreCreateInfo()
146 		if(!ext->tryWait())  in wait()
148 			// Dispatch the ext wait to a background thread.  in wait()
149 			// Even if this creates a new thread on each  in wait()
155 				ext->wait();  in wait()
164 			tempExternal = ext->previous;  in wait()
181 		// Assumes that signalling an external semaphore is non-blocking,  in signal()
182 		// so it can be performed directly either from a fiber or thread.  in signal()
183 		ext->signal();  in signal()
207 		tempExternal = ext->previous;  in destroy()
234 	ext->~External();  in deallocateExternal()
263 		ext->previous = tempExternal;  in importPayload()
277 	// Sanity check, do not try to export a semaphore that has a temporary import.  in exportPayload()
280 		TRACE("Cannot export semaphore with a temporary import!");  in exportPayload()
287 		VkResult result = ext->init(internal.isSignalled());  in exportPayload()
307 		    return ext->importOpaqueFd(fd);  in importFd()
324 		                     return ext->exportOpaqueFd(pFd);  in exportFd()
338 		    return ext->importHandle(handle);  in importHandle()
342 VkResult BinarySemaphore::exportHandle(zx_handle_t *pHandle)  in exportHandle()  argument
354 	                     [pHandle](External *ext) {  in exportHandle()
355 		                     return ext->exportHandle(pHandle);  in exportHandle()