void Unpremultiply::affects( const Gaffer::Plug *input, AffectedPlugsContainer &outputs ) const { ChannelDataProcessor::affects( input, outputs ); if( input == inPlug()->channelDataPlug() || input == alphaChannelPlug() ) { outputs.push_back( outPlug()->channelDataPlug() ); } }
Imath::Box2i Merge::computeDataWindow( const Gaffer::Context *context, const ImagePlug *parent ) const { Imath::Box2i dataWindow = inPlug()->dataWindowPlug()->getValue(); const ImagePlugList &inputs( m_inputs.inputs() ); const ImagePlugList::const_iterator end( m_inputs.endIterator() ); for ( ImagePlugList::const_iterator it( inputs.begin() ); it != end; ++it ) { // We don't need to check that the plug is connected here as unconnected plugs don't have data windows. IECore::boxExtend( dataWindow, (*it)->dataWindowPlug()->getValue() ); } return dataWindow; }
void Unpremultiply::processChannelData( const Gaffer::Context *context, const ImagePlug *parent, const std::string &channel, FloatVectorDataPtr outData ) const { std::string alphaChannel = alphaChannelPlug()->getValue(); if ( channel == alphaChannel ) { return; } ConstStringVectorDataPtr inChannelNamesPtr; { ImagePlug::GlobalScope c( context ); inChannelNamesPtr = inPlug()->channelNamesPlug()->getValue(); } const std::vector<std::string> &inChannelNames = inChannelNamesPtr->readable(); if ( std::find( inChannelNames.begin(), inChannelNames.end(), alphaChannel ) == inChannelNames.end() ) { std::ostringstream channelError; channelError << "Channel '" << alphaChannel << "' does not exist"; throw( IECore::Exception( channelError.str() ) ); } ImagePlug::ChannelDataScope channelDataScope( context ); channelDataScope.setChannelName( alphaChannel ); ConstFloatVectorDataPtr aData = inPlug()->channelDataPlug()->getValue(); const std::vector<float> &a = aData->readable(); std::vector<float> &out = outData->writable(); std::vector<float>::const_iterator aIt = a.begin(); for ( std::vector<float>::iterator outIt = out.begin(), outItEnd = out.end(); outIt != outItEnd; ++outIt, ++aIt ) { if ( *aIt != 0.0f ) { *outIt /= *aIt; } } }
void Grade::hashChannelData( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const { ChannelDataProcessor::hashChannelData( output, context, h ); inPlug()->channelDataPlug()->hash( h ); std::string channelName = context->get<std::string>( ImagePlug::channelNameContextName ); int channelIndex = ChannelMaskPlug::channelIndex( channelName ); if( channelIndex >= 0 and channelIndex < 3 ) { /// \todo The channelIndex tests above might be guaranteed true by /// the effects of channelEnabled() anyway, but it's not clear from /// the base class documentation. blackPointPlug()->getChild( channelIndex )->hash( h ); whitePointPlug()->getChild( channelIndex )->hash( h ); liftPlug()->getChild( channelIndex )->hash( h ); gainPlug()->getChild( channelIndex )->hash( h ); multiplyPlug()->getChild( channelIndex )->hash( h ); offsetPlug()->getChild( channelIndex )->hash( h ); gammaPlug()->getChild( channelIndex )->hash( h ); blackClampPlug()->hash( h ); whiteClampPlug()->hash( h ); } }
MStatus sseDeformer::compute(const MPlug& plug, MDataBlock& data) { MStatus status; if (plug.attribute() != outputGeom) { printf("Ignoring requested plug\n"); return status; } unsigned int index = plug.logicalIndex(); MObject thisNode = this->thisMObject(); // get input value MPlug inPlug(thisNode,input); inPlug.selectAncestorLogicalIndex(index,input); MDataHandle hInput = data.inputValue(inPlug, &status); MCheckStatus(status, "ERROR getting input mesh\n"); // get the input geometry MDataHandle inputData = hInput.child(inputGeom); if (inputData.type() != MFnData::kMesh) { printf("Incorrect input geometry type\n"); return MStatus::kFailure; } MObject iSurf = inputData.asMesh() ; MFnMesh inMesh; inMesh.setObject( iSurf ) ; MDataHandle outputData = data.outputValue(plug); outputData.copy(inputData); if (outputData.type() != MFnData::kMesh) { printf("Incorrect output mesh type\n"); return MStatus::kFailure; } MObject oSurf = outputData.asMesh() ; if(oSurf.isNull()) { printf("Output surface is NULL\n"); return MStatus::kFailure; } MFnMesh outMesh; outMesh.setObject( oSurf ) ; MCheckStatus(status, "ERROR setting points\n"); // get all points at once for demo purposes. Really should get points from the current group using iterator MFloatPointArray pts; outMesh.getPoints(pts); int nPoints = pts.length(); MDataHandle envData = data.inputValue(envelope, &status); float env = envData.asFloat(); MDataHandle sseData = data.inputValue(sseEnabled, &status); bool sseEnabled = (bool) sseData.asBool(); // NOTE: Using MTimer and possibly other classes disables // autovectorization with Intel <=10.1 compiler on OSX and Linux!! // Must compile this function with -fno-exceptions on OSX and // Linux to guarantee autovectorization is done. Use -fvec_report2 // to check for vectorization status messages with Intel compiler. MTimer timer; timer.beginTimer(); if(sseEnabled) { // Innter loop will autovectorize. Around 3x faster than the // loop below it. It would be faster if first element was // guaranteed to be aligned on 16 byte boundary. for(int i=0; i<nPoints; i++) { float* ptPtr = &pts[i].x; for(int j=0; j<4; j++) { ptPtr[j] = env * (cosf(ptPtr[j]) * sinf(ptPtr[j]) * tanf(ptPtr[j])); } } } else { // This inner loop will not autovectorize. for(int i=0; i<nPoints; i++) { MFloatPoint& pt = pts[i]; for(int j=0; j<3; j++) { pt[j] = env * (cosf(pt[j]) * sinf(pt[j]) * tanf(pt[j])); } } } timer.endTimer(); if(sseEnabled) { printf("SSE enabled, runtime %f\n", timer.elapsedTime()); } else { printf("SSE disabled, runtime %f\n", timer.elapsedTime()); } outMesh.setPoints(pts); return status; }
MStatus proWater::compute(const MPlug& plug, MDataBlock& dataBlock) { MStatus status = MStatus::kUnknownParameter; if (plug.attribute() == outputGeom) { // get the input corresponding to this output // unsigned int index = plug.logicalIndex(); MObject thisNode = this->thisMObject(); MPlug inPlug(thisNode,input); inPlug.selectAncestorLogicalIndex(index,input); MDataHandle hInput = dataBlock.inputValue(inPlug); // get the input geometry and input groupId // MDataHandle hGeom = hInput.child(inputGeom); MDataHandle hGroup = hInput.child(groupId); unsigned int groupId = hGroup.asLong(); MDataHandle hOutput = dataBlock.outputValue(plug); hOutput.copy(hGeom); MStatus returnStatus; MDataHandle envData = dataBlock.inputValue(envelope, &returnStatus); if (MS::kSuccess != returnStatus) return returnStatus; float env = envData.asFloat(); MDataHandle timeData = dataBlock.inputValue(time, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double t = timeData.asDouble(); MDataHandle dirData = dataBlock.inputValue(dir, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double dirDeg = dirData.asDouble(); MDataHandle bigData = dataBlock.inputValue(bigFreq, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double bigFreqAmp = bigData.asDouble(); MDataHandle ampData = dataBlock.inputValue(amplitude1, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double amp1 = ampData.asDouble(); MDataHandle freqData = dataBlock.inputValue(frequency1, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double freq1 = freqData.asDouble(); MDataHandle ampData2 = dataBlock.inputValue(amplitude2, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double amp2 = ampData2.asDouble(); MDataHandle freqData2 = dataBlock.inputValue(frequency2, &returnStatus); if(MS::kSuccess != returnStatus) return returnStatus; double freq2 = freqData2.asDouble(); // Get the MFnMesh MStatus stat; MObject inputObj = hOutput.data(); MFnMesh * meshFn = new MFnMesh(inputObj, &stat); // do the deformation // MItGeometry iter(hOutput,groupId,false); for ( ; !iter.isDone(); iter.next()) { MPoint pt = iter.position(); //float2 uvPoint; //float u,v; //uvPoint[0] = u; //uvPoint[1] = v; //meshFn->getUVAtPoint(pt, uvPoint, MSpace::kObject); float u = pt.x; //uvPoint[0]*100; float v = pt.z; //uvPoint[1]*100; float degDir = dirDeg; float dir = degDir* M_PI/180; float dirX = cos(dir); float dirY = sin(dir); float bigFreq = 0.01; float bigWaves = scaled_raw_noise_3d(0, 1, (u + 3*t*dirX)*bigFreq*dirX, (v + 3*t*dirY)*bigFreq*dirY*2, t*0.01); float frequency1 = freq1/10;//0.2; float amplitude1 = amp1;//1.3; float firstOctave = -(std::abs(scaled_raw_noise_3d(-amplitude1, amplitude1, (float)(u + 0.7*t*dirX)*frequency1*0.4, (float)(v + 0.7*t*dirY)*frequency1*0.6, 0.05*t))-amplitude1); float frequency2 = freq2/10; float amplitude2 = amp2; float secondOctave = - (std::abs(scaled_raw_noise_3d(-amplitude2, amplitude2, (float)(u + 0.7*t*dirX)*frequency2*0.35, (float)(v + 0.7*t*dirY)*frequency2*0.65, 0.005*t))-amplitude2); float frequency3 = freq1/10; float amplitude3 = amp1/1.5; float thirdOctave = - (std::abs(scaled_raw_noise_3d(-amplitude3, amplitude3, (float)(u + t*0.5*dirX)*frequency3*0.4, (float)(v + t*0.5*dirY)*frequency3*0.6, 30))-amplitude3); float frequency4 = freq2/10; float amplitude4 = amp2/1.5; float fourthOctave = scaled_raw_noise_3d(-amplitude4, amplitude4, (float)(u + t*0.5*dirX)*frequency4*0.4, (float)(v + t*0.5*dirY)*frequency4*0.6, 50); float frequency5 = freq2; float amplitude5 = amp2/2; float fifthOctave = scaled_raw_noise_3d(-amplitude5, amplitude5, (float)(u + t*0.5*dirX)*frequency5*0.15, (float)(v + t*0.5*dirY)*frequency5*0.85, 0.001*t); float disp = bigFreqAmp*bigWaves + 7*(bigWaves)*firstOctave + secondOctave + thirdOctave*thirdOctave + fourthOctave + std::abs(bigWaves-1)*fifthOctave; pt = pt + iter.normal()*disp; iter.setPosition(pt); } delete meshFn; status = MStatus::kSuccess; } return status; }
void Select::hashFormat( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const { inPlug( selectIndex() )->formatPlug()->hash(h); }
void Select::hashChannelData( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const { inPlug( selectIndex() )->channelDataPlug()->hash(h); }
void Merge::hashFormat( const GafferImage::ImagePlug *parent, const Gaffer::Context *context, IECore::MurmurHash &h ) const { h = inPlug()->formatPlug()->hash(); }
Imath::Box2i Select::computeDataWindow( const Gaffer::Context *context, const ImagePlug *parent ) const { return inPlug( selectIndex() )->dataWindowPlug()->getValue(); }
IECore::ConstFloatVectorDataPtr Select::computeChannelData( const std::string &channelName, const Imath::V2i &tileOrigin, const Gaffer::Context *context, const ImagePlug *parent ) const { return inPlug( selectIndex() )->channelDataPlug()->getValue(); }
IECore::ConstStringVectorDataPtr Select::computeChannelNames( const Gaffer::Context *context, const ImagePlug *parent ) const { return inPlug( selectIndex() )->channelNamesPlug()->getValue(); }
void Select::hashDataWindow( const GafferImage::ImagePlug *output, const Gaffer::Context *context, IECore::MurmurHash &h ) const { inPlug( selectIndex() )->dataWindowPlug()->hash(h); }
MStatus splatDeformer::compute(const MPlug& plug, MDataBlock& data) { // do this if we are using an OpenMP implementation that is not the same as Maya's. // Even if it is the same, it does no harm to make this call. MThreadUtils::syncNumOpenMPThreads(); MStatus status = MStatus::kUnknownParameter; if (plug.attribute() != outputGeom) { return status; } unsigned int index = plug.logicalIndex(); MObject thisNode = this->thisMObject(); // get input value MPlug inPlug(thisNode,input); inPlug.selectAncestorLogicalIndex(index,input); MDataHandle hInput = data.inputValue(inPlug, &status); MCheckStatus(status, "ERROR getting input mesh\n"); // get the input geometry MDataHandle inputData = hInput.child(inputGeom); if (inputData.type() != MFnData::kMesh) { printf("Incorrect input geometry type\n"); return MStatus::kFailure; } // get the input groupId - ignored for now... MDataHandle hGroup = inputData.child(groupId); unsigned int groupId = hGroup.asLong(); // get deforming mesh MDataHandle deformData = data.inputValue(deformingMesh, &status); MCheckStatus(status, "ERROR getting deforming mesh\n"); if (deformData.type() != MFnData::kMesh) { printf("Incorrect deformer geometry type %d\n", deformData.type()); return MStatus::kFailure; } MObject dSurf = deformData.asMeshTransformed(); MFnMesh fnDeformingMesh; fnDeformingMesh.setObject( dSurf ) ; MDataHandle outputData = data.outputValue(plug); outputData.copy(inputData); if (outputData.type() != MFnData::kMesh) { printf("Incorrect output mesh type\n"); return MStatus::kFailure; } MItGeometry iter(outputData, groupId, false); // create fast intersector structure MMeshIntersector intersector; intersector.create(dSurf); // get all points at once. Faster to query, and also better for // threading than using iterator MPointArray verts; iter.allPositions(verts); int nPoints = verts.length(); // use bool variable as lightweight object for failure check in loop below bool failed = false; MTimer timer; timer.beginTimer(); #ifdef _OPENMP #pragma omp parallel for #endif for(int i=0; i<nPoints; i++) { // Cannot break out of an OpenMP loop, so if one of the // intersections failed, skip the rest if(failed) continue; // mesh point object must be in loop-local scope to avoid race conditions MPointOnMesh meshPoint; // Do intersection. Need to use per-thread status value as // MStatus has internal state and may trigger race conditions // if set from multiple threads. Probably benign in this case, // but worth being careful. MStatus localStatus = intersector.getClosestPoint(verts[i], meshPoint); if(localStatus != MStatus::kSuccess) { // NOTE - we cannot break out of an OpenMP region, so set // bad status and skip remaining iterations failed = true; continue; } // default OpenMP scheduling breaks traversal into large // chunks, so low risk of false sharing here in array write. verts[i] = meshPoint.getPoint(); } timer.endTimer(); printf("Runtime for threaded loop %f\n", timer.elapsedTime()); // write values back onto output using fast set method on iterator iter.setAllPositions(verts); if(failed) { printf("Closest point failed\n"); return MStatus::kFailure; } return status; }
GafferImage::Format Merge::computeFormat( const Gaffer::Context *context, const ImagePlug *parent ) const { return inPlug()->formatPlug()->getValue(); }
GafferImage::Format Select::computeFormat( const Gaffer::Context *context, const ImagePlug *parent ) const { return inPlug( selectIndex() )->formatPlug()->getValue(); }
MStatus finalproject::compute(const MPlug& plug, MDataBlock& data) { // do this if we are using an OpenMP implementation that is not the same as Maya's. // Even if it is the same, it does no harm to make this call. MThreadUtils::syncNumOpenMPThreads(); MStatus status = MStatus::kUnknownParameter; if (plug.attribute() != outputGeom) { return status; } unsigned int index = plug.logicalIndex(); MObject thisNode = this->thisMObject(); // get input value MPlug inPlug(thisNode,input); inPlug.selectAncestorLogicalIndex(index,input); MDataHandle hInput = data.inputValue(inPlug, &status); MCheckStatus(status, "ERROR getting input mesh\n"); // get the input geometry MDataHandle inputData = hInput.child(inputGeom); if (inputData.type() != MFnData::kMesh) { printf("Incorrect input geometry type\n"); return MStatus::kFailure; } // get the input groupId - ignored for now... MDataHandle hGroup = inputData.child(groupId); unsigned int groupId = hGroup.asLong(); // get deforming mesh MDataHandle deformData = data.inputValue(deformingMesh, &status); MCheckStatus(status, "ERROR getting deforming mesh\n"); if (deformData.type() != MFnData::kMesh) { printf("Incorrect deformer geometry type %d\n", deformData.type()); return MStatus::kFailure; } MDataHandle offloadData = data.inputValue(offload, &status); //gathers world space positions of the object and the magnet MObject dSurf = deformData.asMeshTransformed(); MObject iSurf = inputData.asMeshTransformed(); MFnMesh fnDeformingMesh, fnInputMesh; fnDeformingMesh.setObject( dSurf ) ; fnInputMesh.setObject( iSurf ) ; MDataHandle outputData = data.outputValue(plug); outputData.copy(inputData); if (outputData.type() != MFnData::kMesh) { printf("Incorrect output mesh type\n"); return MStatus::kFailure; } MItGeometry iter(outputData, groupId, false); // get all points at once. Faster to query, and also better for // threading than using iterator MPointArray objVerts; iter.allPositions(objVerts); int objNumPoints = objVerts.length(); MPointArray magVerts, tempverts; fnDeformingMesh.getPoints(magVerts); fnInputMesh.getPoints(tempverts); int magNumPoints = magVerts.length(); double min = DBL_MAX, max = -DBL_MAX; //finds min and max z-coordinate values to determine middle point (choice of z-axis was ours) for (int i = 0; i < magNumPoints; i++) { min = magVerts[i].z < min ? magVerts[i].z : min; max = magVerts[i].z > max ? magVerts[i].z : max; } double middle = (min + max) / 2; double polarity[magNumPoints]; //assigns polarity based on middle point of mesh for (int i = 0; i < magNumPoints; i++) { polarity[i] = magVerts[i].z > middle ? max / magVerts[i].z : -min / magVerts[i].z; } double* objdVerts = (double *)malloc(sizeof(double) * objNumPoints * 3); double* magdVerts = (double *)malloc(sizeof(double) * magNumPoints * 3); //creates handles to use attribute data MDataHandle vecX = data.inputValue(transX, &status); MDataHandle vecY = data.inputValue(transY, &status); MDataHandle vecZ = data.inputValue(transZ, &status); //gathers previously stored coordinates of the center of the object double moveX = vecX.asFloat(); double moveY = vecY.asFloat(); double moveZ = vecZ.asFloat(); //translates object based on the position stored in the attribute values for (int i=0; i<objNumPoints; i++) { objdVerts[i * 3] = tempverts[i].x + moveX; objdVerts[i * 3 + 1] = tempverts[i].y + moveY; objdVerts[i * 3 + 2] = tempverts[i].z + moveZ; } for (int i=0; i<magNumPoints; i++) { magdVerts[i * 3] = magVerts[i].x; magdVerts[i * 3 + 1] = magVerts[i].y; magdVerts[i * 3 + 2] = magVerts[i].z; } double teslaData = data.inputValue(tesla, &status).asDouble(); MDataHandle posiData = data.inputValue(positivelycharged, &status); double pivot[6] = {DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX}; //finds the pivot point of the object in world space prior to being affected by the magnet for (int i = 0; i < tempverts.length(); i++) { pivot[0] = tempverts[i].x < pivot[0] ? tempverts[i].x : pivot[0]; pivot[1] = tempverts[i].x > pivot[1] ? tempverts[i].x : pivot[1]; pivot[2] = tempverts[i].y < pivot[2] ? tempverts[i].y : pivot[2]; pivot[3] = tempverts[i].y > pivot[3] ? tempverts[i].y : pivot[3]; pivot[4] = tempverts[i].z < pivot[4] ? tempverts[i].z : pivot[4]; pivot[5] = tempverts[i].z > pivot[5] ? tempverts[i].z : pivot[5]; } MTimer timer; timer.beginTimer(); //main function call magnetForce(magNumPoints, objNumPoints, teslaData, magdVerts, objdVerts, polarity, posiData.asBool(), offloadData.asBool()); timer.endTimer(); printf("Runtime for threaded loop %f\n", timer.elapsedTime()); for (int i=0; i<objNumPoints; i++) { objVerts[i].x = objdVerts[i * 3 + 0]; objVerts[i].y = objdVerts[i * 3 + 1]; objVerts[i].z = objdVerts[i * 3 + 2]; } //finds the pivot point of object in world space after being affected by the magnet double objCenter[6] = {DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX, DBL_MAX, -DBL_MAX}; for (int i = 0; i < tempverts.length(); i++) { objCenter[0] = objVerts[i].x < objCenter[0] ? objVerts[i].x : objCenter[0]; objCenter[1] = objVerts[i].x > objCenter[1] ? objVerts[i].x : objCenter[1]; objCenter[2] = objVerts[i].y < objCenter[2] ? objVerts[i].y : objCenter[2]; objCenter[3] = objVerts[i].y > objCenter[3] ? objVerts[i].y : objCenter[3]; objCenter[4] = objVerts[i].z < objCenter[4] ? objVerts[i].z : objCenter[4]; objCenter[5] = objVerts[i].z > objCenter[5] ? objVerts[i].z : objCenter[5]; } //creates vector based on the two calculated pivot points moveX = (objCenter[0] + objCenter[1]) / 2 - (pivot[0] + pivot[1]) / 2; moveY = (objCenter[2] + objCenter[3]) / 2 - (pivot[2] + pivot[3]) / 2; moveZ = (objCenter[4] + objCenter[5]) / 2 - (pivot[4] + pivot[5]) / 2; //stores pivot vector for next computation if (teslaData) { vecX.setFloat(moveX); vecY.setFloat(moveY); vecZ.setFloat(moveZ); } // write values back onto output using fast set method on iterator iter.setAllPositions(objVerts, MSpace::kWorld); free(objdVerts); free(magdVerts); return status; }