C++ PROFILE_START函数代码示例

//-----------------------------------------------------------------------------
bool Platform::dumpDirectories(const char *path, Vector<StringTableEntry> &directoryVector, S32 depth, bool noBasePath)
{
	if (isCachePath(path))
	{
	   PROFILE_START(dumpDirectories);

	   ResourceManager->initExcludedDirectories();

	   const S32 len = dStrlen(path)+1;
	   char newpath[len];
	   dSprintf(newpath, len, "%s", path);
	   if(newpath[len - 1] == '/')
		  newpath[len - 1] = '\0'; // cut off the trailing slash, if there is one

		// Insert base path to follow what Windows does.
		if ( !noBasePath )
			directoryVector.push_back(StringTable->insert(newpath));

		bool ret = recurseDumpDirectoriesCache(newpath, "", directoryVector, depth, noBasePath);
	   PROFILE_END();

	   return ret;
	}

   PROFILE_START(dumpDirectories);
   ResourceManager->initExcludedDirectories();
   bool ret = android_DumpDirectories(path, "", directoryVector, depth, noBasePath);
   PROFILE_END();
   
   return ret;
}

int main (int argc, char **argv)
{
  struct sockaddr_in sa;
  int    rc, i;

  if (argc != 2)
  {
    printf ("Usage: %s num-sockets", argv[0]);
    return (0);
  }
  max_socks = atoi (argv[1]);
  if (max_socks == 0)
  {
    printf ("Usage: %s num-sockets", argv[0]);
    return (0);
  }

  setup();
  socks = calloc (max_socks, sizeof(int));
  assert (socks != NULL);

  for (i = 0; i < max_socks; i++)
  {
    PROFILE_START ("socket");
    socks[i] = socket (AF_INET, SOCK_STREAM, 0);
    PROFILE_STOP();
    if (socks[i] < 0)
    {
      perror ("socket");
      max_socks = i;
      break;
    }
  }

  for (i = 0; i < max_socks; i++)
  {
    sa.sin_family      = AF_INET;
    sa.sin_port        = htons (test_port);
    sa.sin_addr.s_addr = INADDR_ANY;
    PROFILE_START ("bind");
    rc = bind (socks[i], (struct sockaddr*)&sa, sizeof(sa));
    PROFILE_STOP();
    if (rc < 0)
    {
      perror ("bind");
      break;
    }
  }

  for (i = 0; i < max_socks; i++)
  {
    PROFILE_START ("close_s");
    close_s (socks[i]);
    PROFILE_STOP();
  }
  free (socks);
  return (0);
}

void TerrainRenderer::RenderTerrainShader(const CShaderDefines& context, ShadowMap* shadow, bool filtered)
{
	ENSURE(m->phase == Phase_Render);

	std::vector<CPatchRData*>& visiblePatches = filtered ? m->filteredPatches : m->visiblePatches;
	std::vector<CDecalRData*>& visibleDecals = filtered ? m->filteredDecals : m->visibleDecals;
	if (visiblePatches.empty() && visibleDecals.empty())
		return;

	// render the solid black sides of the map first
	CShaderTechniquePtr techSolid = g_Renderer.GetShaderManager().LoadEffect(str_gui_solid);
	techSolid->BeginPass();
	CShaderProgramPtr shaderSolid = techSolid->GetShader();
	shaderSolid->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
	shaderSolid->Uniform(str_color, 0.0f, 0.0f, 0.0f, 1.0f);

	PROFILE_START("render terrain sides");
	for (size_t i = 0; i < visiblePatches.size(); ++i)
		visiblePatches[i]->RenderSides(shaderSolid);
	PROFILE_END("render terrain sides");

	techSolid->EndPass();

	PROFILE_START("render terrain base");
	CPatchRData::RenderBases(visiblePatches, context, shadow);
	PROFILE_END("render terrain base");

	// no need to write to the depth buffer a second time
	glDepthMask(0);

	// render blend passes for each patch
	PROFILE_START("render terrain blends");
	CPatchRData::RenderBlends(visiblePatches, context, shadow, false);
	PROFILE_END("render terrain blends");

	PROFILE_START("render terrain decals");
	CDecalRData::RenderDecals(visibleDecals, context, shadow, false);
	PROFILE_END("render terrain decals");

	// restore OpenGL state
	g_Renderer.BindTexture(1, 0);
	g_Renderer.BindTexture(2, 0);
	g_Renderer.BindTexture(3, 0);

	glDepthMask(1);
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	glDisable(GL_BLEND);
}

void GroupOfPlanes::SearchMVs(MVGroupOfFrames *pSrcGOF, MVGroupOfFrames *pRefGOF,
                              SearchType searchType, int nSearchParam, int nPelSearch, int nLambda,
                              int lsad, int pnew, int plevel, bool global, int flags,
							  int *out, short *outfilebuf, int fieldShift, DCTClass * _DCT, int pzero, int pglobal, int badSAD, int badrange)
{
	int i;

   nFlags |= flags;

   // write group's size
   out[0] = GetArraySize();

   // write validity : 1 in that case
   out[1] = 1;

   out += 2;

   int fieldShiftCur = (nLevelCount - 1 == 0) ? fieldShift : 0; // may be non zero for finest level only

   VECTOR globalMV; // create and init global motion vector as zero
   globalMV.x = zeroMV.x;
   globalMV.y = zeroMV.y;
   globalMV.sad = zeroMV.sad;

   if (!global)
        pglobal = pzero;

   int meanLumaChange = 0;

	// Search the motion vectors, for the low details interpolations first
	// Refining the search until we reach the highest detail interpolation.
//         DebugPrintf("SearchMV level %i", nLevelCount-1);
   planes[nLevelCount - 1]->SearchMVs(pSrcGOF->GetFrame(nLevelCount-1),
                                      pRefGOF->GetFrame(nLevelCount-1),
                                      searchType, nSearchParam, nLambda, lsad, pnew, plevel, flags,
									  out, &globalMV, outfilebuf, fieldShiftCur, _DCT, &meanLumaChange, divideExtra,
									  pzero, pglobal, badSAD, badrange);

   out += planes[nLevelCount - 1]->GetArraySize(divideExtra);

	for ( i = nLevelCount - 2; i >= 0; i-- )
	{
	    int nSearchParamLevel = (i==0) ? nPelSearch : nSearchParam; // special case for finest level
         PROFILE_START(MOTION_PROFILE_PREDICTION);
		if (global)
		{
		   planes[i+1]->EstimateGlobalMVDoubled(&globalMV); // get updated global MV (doubled)
//        DebugPrintf("SearchMV globalMV %i, %i", globalMV.x, globalMV.y);
		}
		planes[i]->InterpolatePrediction(*(planes[i+1]));
         PROFILE_STOP(MOTION_PROFILE_PREDICTION);
	    fieldShiftCur = (i == 0) ? fieldShift : 0; // may be non zero for finest level only
 //        DebugPrintf("SearchMV level %i", i);
		planes[i]->SearchMVs(pSrcGOF->GetFrame(i), pRefGOF->GetFrame(i),
              searchType, nSearchParamLevel, nLambda, lsad, pnew, plevel, flags,
			  out, &globalMV, outfilebuf, fieldShiftCur, _DCT, &meanLumaChange, divideExtra,
			  pzero, pglobal, badSAD, badrange);
      out += planes[i]->GetArraySize(divideExtra);
	}
}

static void
TestFIA_IOLoadColourArrayData(CuTest* tc)
{
	FIBITMAP *dib1 = NULL, *dib2 = NULL;
	FREE_IMAGE_TYPE type;
	int bpp, err;
    
	const char *file = "C:\\cup.tif";
	dib1 = FIA_LoadFIBFromFile(file);

	CuAssertTrue(tc, dib1 != NULL);

	dib2 = FreeImage_AllocateT (FIT_BITMAP, FreeImage_GetWidth(dib1), FreeImage_GetHeight(dib1), 8, 0, 0, 0);

	PROFILE_START("CopyColourBytesToFIBitmap");

	for(int i=0; i < 1000; i++) {

		//FIA_CopyColourBytesToFIBitmap (dib2, FreeImage_GetBits(dib1), 0, 1, COLOUR_ORDER_RGB);
		FIA_CopyColourBytesTo8BitFIBitmap (dib2, FreeImage_GetBits(dib1), 24, FI_RGBA_RED, 0, 1);

	}

	PROFILE_STOP("CopyColourBytesToFIBitmap");

	FIA_SaveFIBToFile (dib2, TEST_DATA_OUTPUT_DIR "/IO/save-colour-test.bmp", BIT8);

	FreeImage_Unload(dib1);
	FreeImage_Unload(dib2);
}

void SceneRenderState::renderObjects( SceneObject** objects, U32 numObjects )
{
   // Let the objects batch their stuff.

   PROFILE_START( SceneRenderState_prepRenderImages );
   for( U32 i = 0; i < numObjects; ++ i )
   {
      SceneObject* object = objects[ i ];
      object->prepRenderImage( this );
   }

#ifdef TORQUE_EXPERIMENTAL_EC
   U32 interfaceCount = RenderComponentInterface::all.size();
   for (U32 i = 0; i < RenderComponentInterface::all.size(); i++)
   {
      Component* comp = dynamic_cast<Component*>(RenderComponentInterface::all[i]);

      if (comp->isClientObject() && comp->isActive())
      {
         RenderComponentInterface::all[i]->prepRenderImage(this);
      }
   }
#endif

   PROFILE_END();

   // Render what the objects have batched.

   getRenderPass()->renderPass( this );
}

// This function takes a lot of CPU, so make sure it's not called often!  Don't call this function directly, use UpdateEnemy instead whenever possible.
CBaseEntity* AvHTurret::FindBestEnemy()
{
    PROFILE_START()
	CBaseEntity* theEntityList[100];
	
	int theMaxRange = this->GetXYRange();
	
	Vector delta = Vector(theMaxRange, theMaxRange, theMaxRange);
	CBaseEntity* theCurrentEntity = NULL;
	CBaseEntity* theBestPlayer = NULL;
	CBaseEntity* theBestStructure = NULL;

	float theCurrentEntityRange = 100000;
	
	// Find only monsters/clients in box, NOT limited to PVS
	int theCount = UTIL_EntitiesInBox(theEntityList, 100, this->pev->origin - delta, this->pev->origin + delta, FL_CLIENT | FL_MONSTER);
	for(int i = 0; i < theCount; i++ )
	{
		theCurrentEntity = theEntityList[i];
		if((theCurrentEntity != this) && theCurrentEntity->IsAlive())
		{
			// the looker will want to consider this entity
			// don't check anything else about an entity that can't be seen, or an entity that you don't care about.
			if(this->IRelationship(theCurrentEntity ) != R_NO && FInViewCone(theCurrentEntity) && !FBitSet(theCurrentEntity->pev->flags, FL_NOTARGET))
			{
				AvHPlayer* thePlayer = dynamic_cast<AvHPlayer*>(theCurrentEntity);
				if(!thePlayer || thePlayer->GetCanBeAffectedByEnemies())
				{
					if(this->GetIsValidTarget(theCurrentEntity))
					{
						// Find nearest enemy
						float theRangeToTarget = VectorDistance2D(this->pev->origin, theCurrentEntity->pev->origin);
						if(theRangeToTarget < theCurrentEntityRange)
						{
                            // FVisible is expensive, so defer until necessary
                            if(!this->GetRequiresLOS() || FVisible(theCurrentEntity))
                            {
                                theCurrentEntityRange = theRangeToTarget;
								if ( thePlayer ) 
								{
									theBestPlayer = theCurrentEntity;
								}
								else
								{
									theBestStructure = theCurrentEntity;
								}
                            }
						}
					}
				}
			}
		}
	}
    PROFILE_END(kAvHTurretFindBestEnemy);

	return (theBestPlayer != NULL ) ? theBestPlayer : theBestStructure;
}

/**
 * Combined threads and events loop.
 *
 * The loop processes first threads (_prepare_cb), then events
 * (ev_stat_cb, ev_io_cb). It sleeps until the earliest thread resume
 * time, or an I/O event occurs.
 *
 */
int
mrkthr_loop(void)
{
    int res;

    PROFILE_START(mrkthr_sched0_p);
    res = ev_run(the_loop, 0);
    PROFILE_STOP(mrkthr_sched0_p);
    return res;
}

void SceneObject::setRenderTransform(const MatrixF& mat)
{
   PROFILE_START(SceneObj_setRenderTransform);
   mRenderObjToWorld = mRenderWorldToObj = mat;
   mRenderWorldToObj.affineInverse();

   AssertFatal(mObjBox.isValidBox(), "Bad object box!");
   resetRenderWorldBox();
   PROFILE_END();
}

void AtlasClipMapBatcher::sort()
{
   PROFILE_START(AtlasClipMapBatcher_sort);

   // Sort our elements. The other lists are already good to go, and there's
   // no benefit to drawing them in a specific order as this pass (the first
   // pass) will already set up the Z buffer.
   for(S32 i=1; i<4; i++)
      dQsort(mRenderList[i].address(),mRenderList[i].size(),sizeof(RenderNote*),cmpRenderNote);

   PROFILE_END();
}

bool WindEmitter::findBest(   const Point3F& cameraPos, 
                              const VectorF& cameraDir,
                              F32 viewDistance,
                              U32 maxResults,
                              WindEmitterList* results )
{
   PROFILE_START(WindEmitter_findBest);

   // Build a sphere from the camera point.
	SphereF cameraSphere;
   cameraSphere.center = cameraPos;
   cameraSphere.radius = viewDistance;

   // Collect the active spheres within the camera space and score them.
   WindEmitterList best;
   WindEmitterList::iterator iter = smAllEmitters.begin();
   for ( ; iter != smAllEmitters.end(); iter++ )
   {        
      const SphereF& sphere = *(*iter);

      // Skip any spheres outside of our camera range or that are disabled.
      if ( !(*iter)->mEnabled || !cameraSphere.isIntersecting( sphere ) )
         continue;

      // Simple score calculation...
      //
      // score = ( radius / distance to camera ) * dot( cameraDir, vector from camera to sphere )
      //
      Point3F vect = sphere.center - cameraSphere.center;
      F32 dist = vect.len();
      (*iter)->mScore = dist * sphere.radius;
      vect /= getMax( dist, 0.001f );
      (*iter)->mScore *= mDot( vect, cameraDir );

      best.push_back( *iter );
   }

   // Sort the results by score!
   dQsort( best.address(), best.size(), sizeof(WindEmitter*), &WindEmitter::_sortByScore );

   // Clip the results to the max requested.
   if ( best.size() > maxResults )
      best.setSize( maxResults );

   // Merge the results and return.
   results->merge( best );

   PROFILE_END(); // WindEmitter_findBest

   return best.size() > 0;
}

void GFXD3D9QueryFence::issue()
{
   PROFILE_START( GFXD3D9QueryFence_issue );

   // Create the query if we need to
   if( mQuery == NULL )
   {
      HRESULT hRes = static_cast<GFXD3D9Device *>( mDevice )->getDevice()->CreateQuery( D3DQUERYTYPE_EVENT, &mQuery );

      AssertFatal( hRes != D3DERR_NOTAVAILABLE, "Hardware does not support D3D9 Queries, this should be caught before this fence type is created" );
      AssertISV( hRes != E_OUTOFMEMORY, "Out of memory" );
   }

   // Issue the query
   mQuery->Issue( D3DISSUE_END );

   PROFILE_END();
}

static void
TestFIA_ErosionTest(CuTest* tc)
{
	const char *file = TEST_DATA_DIR "\\morpholology_test.bmp";

	FIBITMAP *dib1 = FIA_LoadFIBFromFile(file);
	
	CuAssertTrue(tc, dib1 != NULL);
	
	FIBITMAP *threshold_dib = FreeImage_Threshold(dib1, 20);

	CuAssertTrue(tc, threshold_dib != NULL);

	FIBITMAP *threshold_8bit_dib = FreeImage_ConvertTo8Bits(threshold_dib);

	CuAssertTrue(tc, threshold_8bit_dib != NULL);

	FIABITMAP *border_dib = FIA_SetBorder(threshold_8bit_dib, 2, 2
        , BorderType_Constant, 0.0);

	PROFILE_START("ErosionFilter");

	FilterKernel kernel = FIA_NewKernel(2, 2, kernel_values, 1.0);

	FIBITMAP* result_dib = FIA_BinaryErosion(border_dib, kernel);

	CuAssertTrue(tc, result_dib != NULL);

	PROFILE_STOP("ErosionFilter");

	FIA_SaveFIBToFile(result_dib, TEST_DATA_OUTPUT_DIR "\\erosion_result.jpg", BIT24);

	result_dib = FIA_BinaryInnerBorder(threshold_8bit_dib);

	FIA_SimpleSaveFIBToFile(result_dib, TEST_DATA_OUTPUT_DIR "morphology/inner_border_result.bmp");

	FreeImage_Unload(dib1);
	FreeImage_Unload(threshold_dib);
	FreeImage_Unload(threshold_8bit_dib);
	FIA_Unload(border_dib);
	FreeImage_Unload(result_dib);
}

std::string cache_read() {
	PROFILE_FUNC();

	std::string data;

	PROFILE_START(action_find); // Starts new action which will be inner to ACTION_READ
	bool found = find_record();
	PROFILE_STOP(action_find);

	if (!found) {
		PROFILE_BLOCK(load_from_disk);

		data = read_from_disk();
		put_into_cache(data);
		return data; // Here all action guards are destructed and actions are correctly finished
	}
	data = load_from_cache();

	return data;
}

static void TestFIA_HistogramTest(CuTest* tc)
{
    const char *file= TEST_DATA_DIR "drone-bee-greyscale.jpg";
    
    FIBITMAP *dib = FIA_LoadFIBFromFile(file);
    
    CuAssertTrue(tc, dib != NULL);
    
    unsigned long hist[256];
    
    PROFILE_START("FreeImageAlgorithms_Histogram");
    
    if (FIA_Histogram(dib, 0, 255, 2, hist) == FIA_ERROR) {
        CuFail(tc, "Failed");
    }
    
    PROFILE_STOP("FreeImageAlgorithms_Histogram");
    
    FreeImage_Unload(dib);
}