change: Switch to offical OpenFX Support. Still can't compile.

2025-09-03 21:14:56 +08:00
parent 7ff76427f9
commit b649b5e1bd
198 changed files with 57444 additions and 980 deletions
@@ -0,0 +1,128 @@
+
+
+#include "ofxsSupportPrivate.h"
+
+namespace OFX {
+
+  namespace MultiThread {
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // SMP class
+
+    /** @brief ctor */
+    Processor::Processor(void)
+    {
+    }
+
+    /** @brief dtor */
+    Processor::~Processor()
+    {
+    }
+
+    /** @brief Function to pass to the multi thread suite */
+    void Processor::staticMultiThreadFunction(unsigned int threadIndex, unsigned int threadMax, void *customArg)
+    {
+      // cast the custom arg to one of me
+      Processor *me = (Processor *)  customArg;
+
+      // and call my thread function
+      me->multiThreadFunction(threadIndex, threadMax);
+    }
+
+    /** @brief Function to pass to the multi thread suite */
+    void Processor::multiThread(unsigned int nCPUs)
+    {
+      // if 0, use all the CPUs we can
+      if(nCPUs == 0)
+        nCPUs = OFX::MultiThread::getNumCPUs();
+
+      // if 1 cpu, don't bother with the threading
+      if(nCPUs == 1) {
+        multiThreadFunction(0, 1);
+      }
+      else {
+        // OK do it
+          OfxStatus stat = kOfxStatFailed;
+          if(OFX::Private::gThreadSuite){
+              stat = OFX::Private::gThreadSuite->multiThread(staticMultiThreadFunction, nCPUs, (void *)this);
+          }
+
+        // did we do it?
+        throwSuiteStatusException(stat);
+      }
+    }
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // futility functions
+
+    /** @brief Has the current thread been spawned from an MP */
+    bool isSpawnedThread(void)
+    {
+      if(OFX::Private::gThreadSuite){
+          int v = OFX::Private::gThreadSuite->multiThreadIsSpawnedThread();
+          return v != 0;
+      }else{
+          return false;
+      }
+    }
+
+    /** @brief The number of CPUs that can be used for MP-ing */
+    unsigned  int getNumCPUs(void)
+    {
+      unsigned int n = 1;
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->multiThreadNumCPUs(&n) : kOfxStatFailed;
+
+      if(stat != kOfxStatOK) n = 1;
+      return n;
+    }
+      
+    /** @brief The index of the current thread. From 0 to numCPUs() - 1 */
+    unsigned int getThreadIndex(void)
+    {
+      unsigned int n = 0;
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->multiThreadIndex(&n) : kOfxStatFailed;
+      if(stat != kOfxStatOK) n = 0;
+      return n;
+    }
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // MUTEX class
+
+    /** @brief ctor */
+    Mutex::Mutex(int lockCount)
+      : _handle(0)
+    {
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->mutexCreate(&_handle, lockCount) : kOfxStatReplyDefault;
+      throwSuiteStatusException(stat);
+    }
+
+    /** @brief dtor */
+    Mutex::~Mutex(void)
+    {
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->mutexDestroy(_handle) : kOfxStatReplyDefault;
+      (void)stat;
+    }
+
+    /** @brief lock it, blocks until lock is gained */
+    void Mutex::lock()
+    {
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->mutexLock(_handle) : kOfxStatReplyDefault;
+      throwSuiteStatusException(stat);
+    }
+
+    /** @brief unlock it */
+    void Mutex::unlock()
+    {
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->mutexUnLock(_handle) : kOfxStatReplyDefault;
+      throwSuiteStatusException(stat);
+    }
+
+    /** @brief attempt to lock, non-blocking */
+    bool Mutex::tryLock()
+    {
+      OfxStatus stat = OFX::Private::gThreadSuite ? OFX::Private::gThreadSuite->mutexTryLock(_handle) : kOfxStatReplyDefault;
+      return stat == kOfxStatOK;
+    }
+
+  };
+};