1 files changed, 113 insertions, 0 deletions

diff --git a/source/blender/compositor/operations/COM_VectorBlurOperation.cpp b/source/blender/compositor/operations/COM_VectorBlurOperation.cpp
new file mode 100644
index 00000000000..7d660177fbb
--- /dev/null
+++ b/source/blender/compositor/operations/COM_VectorBlurOperation.cpp
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributor: 
+ *		Jeroen Bakker 
+ *		Monique Dewanchand
+ */
+
+#include "COM_VectorBlurOperation.h"
+#include "BLI_math.h"
+
+// use the implementation of blender internal renderer to calculate the vector blur.
+extern "C" {
+	#include "RE_pipeline.h"
+}
+
+VectorBlurOperation::VectorBlurOperation(): NodeOperation() {
+	this->addInputSocket(COM_DT_COLOR);
+	this->addInputSocket(COM_DT_VALUE); // ZBUF
+	this->addInputSocket(COM_DT_COLOR); //SPEED
+	this->addOutputSocket(COM_DT_COLOR);
+	this->settings = NULL;
+	this->cachedInstance = NULL;
+	this->inputImageProgram = NULL;
+	this->inputSpeedProgram = NULL;
+	this->inputZProgram = NULL;
+	setComplex(true);
+}
+void VectorBlurOperation::initExecution() {
+	initMutex();
+	this->inputImageProgram = getInputSocketReader(0);
+	this->inputZProgram = getInputSocketReader(1);
+	this->inputSpeedProgram = getInputSocketReader(2);
+	this->cachedInstance = NULL;
+	QualityStepHelper::initExecution(COM_QH_INCREASE);
+	
+}
+
+void VectorBlurOperation::executePixel(float* color, int x, int y, MemoryBuffer *inputBuffers[], void* data) {
+	float* buffer = (float*) data;
+	int index = (y*this->getWidth() + x) * COM_NUMBER_OF_CHANNELS;
+	color[0] = buffer[index];
+	color[1] = buffer[index+1];
+	color[2] = buffer[index+2];
+	color[3] = buffer[index+3];
+}
+
+void VectorBlurOperation::deinitExecution() {
+	deinitMutex();
+	this->inputImageProgram = NULL;
+	this->inputSpeedProgram = NULL;
+	this->inputZProgram = NULL;
+	if (this->cachedInstance) {
+		delete cachedInstance;
+		this->cachedInstance = NULL;
+	}
+}
+void* VectorBlurOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers) {
+	if (this->cachedInstance) return this->cachedInstance;
+	
+	BLI_mutex_lock(getMutex());
+	if (this->cachedInstance == NULL) {
+		MemoryBuffer* tile = (MemoryBuffer*)inputImageProgram->initializeTileData(rect, memoryBuffers);
+		MemoryBuffer* speed= (MemoryBuffer*)inputSpeedProgram->initializeTileData(rect, memoryBuffers);
+		MemoryBuffer* z = (MemoryBuffer*)inputZProgram->initializeTileData(rect, memoryBuffers);
+		float* data = new float[this->getWidth()*this->getHeight()*COM_NUMBER_OF_CHANNELS];
+		memcpy(data, tile->getBuffer(),this->getWidth()*this->getHeight()*COM_NUMBER_OF_CHANNELS*sizeof(float));
+		this->generateVectorBlur(data, tile, speed, z);
+		this->cachedInstance = data;
+	}
+	BLI_mutex_unlock(getMutex());
+	return this->cachedInstance;
+}
+
+bool VectorBlurOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output) {
+	if (this->cachedInstance == NULL) {
+		rcti newInput;
+		newInput.xmax = this->getWidth();
+		newInput.xmin = 0;
+		newInput.ymax = this->getHeight();
+		newInput.ymin = 0;
+		return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
+	} else {
+		return false;
+	}
+}
+
+void VectorBlurOperation::generateVectorBlur(float* data, MemoryBuffer* inputImage, MemoryBuffer* inputSpeed, MemoryBuffer* inputZ) {
+	float *zbuf = inputZ->convertToValueBuffer();
+	NodeBlurData blurdata;
+	blurdata.samples = this->settings->samples/QualityStepHelper::getStep();
+	blurdata.maxspeed = this->settings->maxspeed;
+	blurdata.minspeed = this->settings->minspeed;
+	blurdata.curved = this->settings->curved;
+	blurdata.fac = this->settings->fac;
+	RE_zbuf_accumulate_vecblur(&blurdata, this->getWidth(), this->getHeight(), data, inputImage->getBuffer(), inputSpeed->getBuffer(), zbuf);
+	delete zbuf;
+	return;
+}