377 lines
13 KiB
C++
377 lines
13 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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*/
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#include "COM_VariableSizeBokehBlurOperation.h"
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#include "BLI_math.h"
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#include "COM_OpenCLDevice.h"
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extern "C" {
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# include "RE_pipeline.h"
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}
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VariableSizeBokehBlurOperation::VariableSizeBokehBlurOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addInputSocket(COM_DT_COLOR, COM_SC_NO_RESIZE); // do not resize the bokeh image.
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this->addInputSocket(COM_DT_VALUE); // radius
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#ifdef COM_DEFOCUS_SEARCH
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this->addInputSocket(COM_DT_COLOR, COM_SC_NO_RESIZE); // inverse search radius optimization structure.
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#endif
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this->addOutputSocket(COM_DT_COLOR);
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this->setComplex(true);
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this->setOpenCL(true);
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this->m_inputProgram = NULL;
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this->m_inputBokehProgram = NULL;
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this->m_inputSizeProgram = NULL;
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this->m_maxBlur = 32.0f;
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this->m_threshold = 1.0f;
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this->m_do_size_scale = false;
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#ifdef COM_DEFOCUS_SEARCH
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this->m_inputSearchProgram = NULL;
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#endif
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}
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void VariableSizeBokehBlurOperation::initExecution()
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{
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this->m_inputProgram = getInputSocketReader(0);
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this->m_inputBokehProgram = getInputSocketReader(1);
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this->m_inputSizeProgram = getInputSocketReader(2);
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#ifdef COM_DEFOCUS_SEARCH
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this->m_inputSearchProgram = getInputSocketReader(3);
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#endif
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QualityStepHelper::initExecution(COM_QH_INCREASE);
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}
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struct VariableSizeBokehBlurTileData
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{
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MemoryBuffer *color;
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MemoryBuffer *bokeh;
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MemoryBuffer *size;
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int maxBlurScalar;
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};
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void *VariableSizeBokehBlurOperation::initializeTileData(rcti *rect)
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{
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VariableSizeBokehBlurTileData *data = new VariableSizeBokehBlurTileData();
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data->color = (MemoryBuffer *)this->m_inputProgram->initializeTileData(rect);
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data->bokeh = (MemoryBuffer *)this->m_inputBokehProgram->initializeTileData(rect);
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data->size = (MemoryBuffer *)this->m_inputSizeProgram->initializeTileData(rect);
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rcti rect2;
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this->determineDependingAreaOfInterest(rect, (ReadBufferOperation *)this->m_inputSizeProgram, &rect2);
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const float max_dim = max(m_width, m_height);
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const float scalar = this->m_do_size_scale ? (max_dim / 100.0f) : 1.0f;
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data->maxBlurScalar = (int)(data->size->getMaximumValue(&rect2) * scalar);
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CLAMP(data->maxBlurScalar, 1.0f, this->m_maxBlur);
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return data;
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}
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void VariableSizeBokehBlurOperation::deinitializeTileData(rcti *rect, void *data)
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{
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VariableSizeBokehBlurTileData *result = (VariableSizeBokehBlurTileData *)data;
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delete result;
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}
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void VariableSizeBokehBlurOperation::executePixel(float output[4], int x, int y, void *data)
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{
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VariableSizeBokehBlurTileData *tileData = (VariableSizeBokehBlurTileData *)data;
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MemoryBuffer *inputProgramBuffer = tileData->color;
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MemoryBuffer *inputBokehBuffer = tileData->bokeh;
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MemoryBuffer *inputSizeBuffer = tileData->size;
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float *inputSizeFloatBuffer = inputSizeBuffer->getBuffer();
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float *inputProgramFloatBuffer = inputProgramBuffer->getBuffer();
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float readColor[4];
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float bokeh[4];
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float tempSize[4];
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float multiplier_accum[4];
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float color_accum[4];
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const float max_dim = max(m_width, m_height);
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const float scalar = this->m_do_size_scale ? (max_dim / 100.0f) : 1.0f;
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int maxBlurScalar = tileData->maxBlurScalar;
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BLI_assert(inputBokehBuffer->getWidth() == COM_BLUR_BOKEH_PIXELS);
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BLI_assert(inputBokehBuffer->getHeight() == COM_BLUR_BOKEH_PIXELS);
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#ifdef COM_DEFOCUS_SEARCH
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float search[4];
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this->m_inputSearchProgram->read(search, x / InverseSearchRadiusOperation::DIVIDER, y / InverseSearchRadiusOperation::DIVIDER, NULL);
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int minx = search[0];
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int miny = search[1];
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int maxx = search[2];
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int maxy = search[3];
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#else
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int minx = max(x - maxBlurScalar, 0);
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int miny = max(y - maxBlurScalar, 0);
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int maxx = min(x + maxBlurScalar, (int)m_width);
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int maxy = min(y + maxBlurScalar, (int)m_height);
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#endif
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{
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inputSizeBuffer->readNoCheck(tempSize, x, y);
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inputProgramBuffer->readNoCheck(readColor, x, y);
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copy_v4_v4(color_accum, readColor);
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copy_v4_fl(multiplier_accum, 1.0f);
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float size_center = tempSize[0] * scalar;
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const int addXStep = QualityStepHelper::getStep() * COM_NUMBER_OF_CHANNELS;
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if (size_center > this->m_threshold) {
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for (int ny = miny; ny < maxy; ny += QualityStepHelper::getStep()) {
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float dy = ny - y;
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int offsetNy = ny * inputSizeBuffer->getWidth() * COM_NUMBER_OF_CHANNELS;
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int offsetNxNy = offsetNy + (minx * COM_NUMBER_OF_CHANNELS);
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for (int nx = minx; nx < maxx; nx += QualityStepHelper::getStep()) {
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if (nx != x || ny != y) {
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float size = min(inputSizeFloatBuffer[offsetNxNy] * scalar, size_center);
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if (size > this->m_threshold) {
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float dx = nx - x;
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if (size > fabsf(dx) && size > fabsf(dy)) {
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float uv[2] = {
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(float)(COM_BLUR_BOKEH_PIXELS / 2) + (dx / size) * (float)((COM_BLUR_BOKEH_PIXELS / 2) - 1),
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(float)(COM_BLUR_BOKEH_PIXELS / 2) + (dy / size) * (float)((COM_BLUR_BOKEH_PIXELS / 2) - 1)};
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inputBokehBuffer->readNoCheck(bokeh, uv[0], uv[1]);
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madd_v4_v4v4(color_accum, bokeh, &inputProgramFloatBuffer[offsetNxNy]);
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add_v4_v4(multiplier_accum, bokeh);
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}
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}
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}
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offsetNxNy += addXStep;
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}
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}
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}
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output[0] = color_accum[0] / multiplier_accum[0];
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output[1] = color_accum[1] / multiplier_accum[1];
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output[2] = color_accum[2] / multiplier_accum[2];
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output[3] = color_accum[3] / multiplier_accum[3];
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/* blend in out values over the threshold, otherwise we get sharp, ugly transitions */
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if ((size_center > this->m_threshold) &&
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(size_center < this->m_threshold * 2.0f))
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{
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/* factor from 0-1 */
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float fac = (size_center - this->m_threshold) / this->m_threshold;
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interp_v4_v4v4(output, readColor, output, fac);
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}
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}
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}
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void VariableSizeBokehBlurOperation::executeOpenCL(OpenCLDevice *device,
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MemoryBuffer *outputMemoryBuffer, cl_mem clOutputBuffer,
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MemoryBuffer **inputMemoryBuffers, list<cl_mem> *clMemToCleanUp,
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list<cl_kernel> *clKernelsToCleanUp)
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{
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cl_kernel defocusKernel = device->COM_clCreateKernel("defocusKernel", NULL);
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cl_int step = this->getStep();
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cl_int maxBlur;
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cl_float threshold = this->m_threshold;
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MemoryBuffer *sizeMemoryBuffer = this->m_inputSizeProgram->getInputMemoryBuffer(inputMemoryBuffers);
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const float max_dim = max(m_width, m_height);
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cl_float scalar = this->m_do_size_scale ? (max_dim / 100.0f) : 1.0f;
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maxBlur = (cl_int)sizeMemoryBuffer->getMaximumValue() * scalar;
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maxBlur = min(maxBlur, this->m_maxBlur);
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device->COM_clAttachMemoryBufferToKernelParameter(defocusKernel, 0, -1, clMemToCleanUp, inputMemoryBuffers, this->m_inputProgram);
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device->COM_clAttachMemoryBufferToKernelParameter(defocusKernel, 1, -1, clMemToCleanUp, inputMemoryBuffers, this->m_inputBokehProgram);
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device->COM_clAttachMemoryBufferToKernelParameter(defocusKernel, 2, 4, clMemToCleanUp, inputMemoryBuffers, this->m_inputSizeProgram);
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device->COM_clAttachOutputMemoryBufferToKernelParameter(defocusKernel, 3, clOutputBuffer);
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device->COM_clAttachMemoryBufferOffsetToKernelParameter(defocusKernel, 5, outputMemoryBuffer);
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clSetKernelArg(defocusKernel, 6, sizeof(cl_int), &step);
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clSetKernelArg(defocusKernel, 7, sizeof(cl_int), &maxBlur);
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clSetKernelArg(defocusKernel, 8, sizeof(cl_float), &threshold);
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clSetKernelArg(defocusKernel, 9, sizeof(cl_float), &scalar);
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device->COM_clAttachSizeToKernelParameter(defocusKernel, 10, this);
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device->COM_clEnqueueRange(defocusKernel, outputMemoryBuffer, 11, this);
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}
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void VariableSizeBokehBlurOperation::deinitExecution()
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{
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this->m_inputProgram = NULL;
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this->m_inputBokehProgram = NULL;
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this->m_inputSizeProgram = NULL;
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#ifdef COM_DEFOCUS_SEARCH
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this->m_inputSearchProgram = NULL;
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#endif
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}
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bool VariableSizeBokehBlurOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
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{
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rcti newInput;
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rcti bokehInput;
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const float max_dim = max(m_width, m_height);
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const float scalar = this->m_do_size_scale ? (max_dim / 100.0f) : 1.0f;
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int maxBlurScalar = this->m_maxBlur * scalar;
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newInput.xmax = input->xmax + maxBlurScalar + 2;
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newInput.xmin = input->xmin - maxBlurScalar + 2;
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newInput.ymax = input->ymax + maxBlurScalar - 2;
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newInput.ymin = input->ymin - maxBlurScalar - 2;
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bokehInput.xmax = COM_BLUR_BOKEH_PIXELS;
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bokehInput.xmin = 0;
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bokehInput.ymax = COM_BLUR_BOKEH_PIXELS;
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bokehInput.ymin = 0;
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NodeOperation *operation = getInputOperation(2);
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if (operation->determineDependingAreaOfInterest(&newInput, readOperation, output) ) {
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return true;
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}
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operation = getInputOperation(1);
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if (operation->determineDependingAreaOfInterest(&bokehInput, readOperation, output) ) {
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return true;
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}
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#ifdef COM_DEFOCUS_SEARCH
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rcti searchInput;
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searchInput.xmax = (input->xmax / InverseSearchRadiusOperation::DIVIDER) + 1;
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searchInput.xmin = (input->xmin / InverseSearchRadiusOperation::DIVIDER) - 1;
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searchInput.ymax = (input->ymax / InverseSearchRadiusOperation::DIVIDER) + 1;
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searchInput.ymin = (input->ymin / InverseSearchRadiusOperation::DIVIDER) - 1;
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operation = getInputOperation(3);
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if (operation->determineDependingAreaOfInterest(&searchInput, readOperation, output) ) {
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return true;
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}
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#endif
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operation = getInputOperation(0);
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if (operation->determineDependingAreaOfInterest(&newInput, readOperation, output) ) {
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return true;
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}
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return false;
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}
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#ifdef COM_DEFOCUS_SEARCH
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// InverseSearchRadiusOperation
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InverseSearchRadiusOperation::InverseSearchRadiusOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_VALUE, COM_SC_NO_RESIZE); // radius
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this->addOutputSocket(COM_DT_COLOR);
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this->setComplex(true);
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this->m_inputRadius = NULL;
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}
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void InverseSearchRadiusOperation::initExecution()
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{
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this->m_inputRadius = this->getInputSocketReader(0);
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}
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voi *InverseSearchRadiusOperation::initializeTileData(rcti *rect)
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{
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MemoryBuffer * data = new MemoryBuffer(NULL, rect);
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float *buffer = data->getBuffer();
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int x, y;
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int width = this->m_inputRadius->getWidth();
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int height = this->m_inputRadius->getHeight();
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float temp[4];
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int offset = 0;
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for (y = rect->ymin; y < rect->ymax ; y++) {
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for (x = rect->xmin; x < rect->xmax ; x++) {
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int rx = x * DIVIDER;
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int ry = y * DIVIDER;
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buffer[offset] = MAX2(rx - m_maxBlur, 0);
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buffer[offset + 1] = MAX2(ry - m_maxBlur, 0);
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buffer[offset + 2] = MIN2(rx + DIVIDER + m_maxBlur, width);
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buffer[offset + 3] = MIN2(ry + DIVIDER + m_maxBlur, height);
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offset += 4;
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}
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}
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// for (x = rect->xmin; x < rect->xmax ; x++) {
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// for (y = rect->ymin; y < rect->ymax ; y++) {
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// int rx = x * DIVIDER;
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// int ry = y * DIVIDER;
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// float radius = 0.0f;
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// float maxx = x;
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// float maxy = y;
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// for (int x2 = 0 ; x2 < DIVIDER ; x2 ++) {
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// for (int y2 = 0 ; y2 < DIVIDER ; y2 ++) {
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// this->m_inputRadius->read(temp, rx+x2, ry+y2, COM_PS_NEAREST);
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// if (radius < temp[0]) {
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// radius = temp[0];
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// maxx = x2;
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// maxy = y2;
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// }
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// }
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// }
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// int impactRadius = ceil(radius / DIVIDER);
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// for (int x2 = x - impactRadius ; x2 < x + impactRadius ; x2 ++) {
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// for (int y2 = y - impactRadius ; y2 < y + impactRadius ; y2 ++) {
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// data->read(temp, x2, y2);
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// temp[0] = MIN2(temp[0], maxx);
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// temp[1] = MIN2(temp[1], maxy);
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// temp[2] = MAX2(temp[2], maxx);
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// temp[3] = MAX2(temp[3], maxy);
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// data->writePixel(x2, y2, temp);
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// }
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// }
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// }
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// }
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return data;
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}
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void InverseSearchRadiusOperation::executePixelChunk(float output[4], int x, int y, void *data)
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{
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MemoryBuffer *buffer = (MemoryBuffer *)data;
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buffer->readNoCheck(color, x, y);
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}
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void InverseSearchRadiusOperation::deinitializeTileData(rcti *rect, void *data)
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{
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if (data) {
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MemoryBuffer *mb = (MemoryBuffer *)data;
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delete mb;
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}
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}
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void InverseSearchRadiusOperation::deinitExecution()
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{
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this->m_inputRadius = NULL;
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}
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void InverseSearchRadiusOperation::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
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{
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NodeOperation::determineResolution(resolution, preferredResolution);
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resolution[0] = resolution[0] / DIVIDER;
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resolution[1] = resolution[1] / DIVIDER;
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}
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bool InverseSearchRadiusOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
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{
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rcti newRect;
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newRect.ymin = input->ymin * DIVIDER - m_maxBlur;
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newRect.ymax = input->ymax * DIVIDER + m_maxBlur;
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newRect.xmin = input->xmin * DIVIDER - m_maxBlur;
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newRect.xmax = input->xmax * DIVIDER + m_maxBlur;
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return NodeOperation::determineDependingAreaOfInterest(&newRect, readOperation, output);
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}
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#endif
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