forked from bartvdbraak/blender
e9ba345c46
Patch [#33445] - Experimental Cycles Hair Rendering (CPU only) This patch allows hair data to be exported to cycles and introduces a new line segment primitive to render with. The UI appears under the particle tab and there is a new hair info node available. It is only available under the experimental feature set and for cpu rendering.
161 lines
4.7 KiB
C++
161 lines
4.7 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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#include "device.h"
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#include "curves.h"
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#include "mesh.h"
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#include "object.h"
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#include "scene.h"
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#include "util_foreach.h"
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#include "util_map.h"
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#include "util_progress.h"
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#include "util_vector.h"
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CCL_NAMESPACE_BEGIN
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/* Hair System Manager */
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CurveSystemManager::CurveSystemManager()
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{
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primitive = CURVE_LINE_SEGMENTS;
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line_method = CURVE_CORRECTED;
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interpolation = CURVE_CARDINAL;
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triangle_method = CURVE_CAMERA;
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resolution = 3;
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segments = 1;
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normalmix = 1.0f;
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encasing_ratio = 1.01f;
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use_curves = true;
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use_smooth = true;
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use_cache = true;
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use_parents = false;
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use_encasing = true;
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use_backfacing = false;
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use_joined = false;
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use_tangent_normal = false;
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use_tangent_normal_geometry = false;
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use_tangent_normal_correction = false;
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need_update = true;
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need_mesh_update = false;
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}
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CurveSystemManager::~CurveSystemManager()
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{
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}
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void CurveSystemManager::device_update(Device *device, DeviceScene *dscene, Scene *scene, Progress& progress)
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{
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if(!need_update)
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return;
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device_free(device, dscene);
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progress.set_status("Updating Hair settings", "Copying Hair settings to device");
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KernelCurves *kcurve= &dscene->data.curve_kernel_data;
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kcurve->curveflags = 0;
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if(primitive == CURVE_SEGMENTS)
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kcurve->curveflags |= CURVE_KN_INTERPOLATE;
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if(line_method == CURVE_ACCURATE)
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kcurve->curveflags |= CURVE_KN_ACCURATE;
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if(line_method == CURVE_CORRECTED)
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kcurve->curveflags |= CURVE_KN_INTERSECTCORRECTION;
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if(line_method == CURVE_POSTCORRECTED)
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kcurve->curveflags |= CURVE_KN_POSTINTERSECTCORRECTION;
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if(use_tangent_normal)
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kcurve->curveflags |= CURVE_KN_TANGENTGNORMAL;
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if(use_tangent_normal_correction)
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kcurve->curveflags |= CURVE_KN_NORMALCORRECTION;
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if(use_tangent_normal_geometry)
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kcurve->curveflags |= CURVE_KN_TRUETANGENTGNORMAL;
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if(use_joined)
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kcurve->curveflags |= CURVE_KN_CURVEDATA;
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if(use_backfacing)
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kcurve->curveflags |= CURVE_KN_BACKFACING;
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if(use_encasing)
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kcurve->curveflags |= CURVE_KN_ENCLOSEFILTER;
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kcurve->normalmix = normalmix;
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kcurve->encasing_ratio = encasing_ratio;
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if(progress.get_cancel()) return;
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need_update = false;
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}
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void CurveSystemManager::device_free(Device *device, DeviceScene *dscene)
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{
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}
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bool CurveSystemManager::modified(const CurveSystemManager& CurveSystemManager)
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{
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return !(line_method == CurveSystemManager.line_method &&
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interpolation == CurveSystemManager.interpolation &&
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primitive == CurveSystemManager.primitive &&
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use_encasing == CurveSystemManager.use_encasing &&
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use_tangent_normal == CurveSystemManager.use_tangent_normal &&
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use_tangent_normal_correction == CurveSystemManager.use_tangent_normal_correction &&
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use_tangent_normal_geometry == CurveSystemManager.use_tangent_normal_geometry &&
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encasing_ratio == CurveSystemManager.encasing_ratio &&
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use_backfacing == CurveSystemManager.use_backfacing &&
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normalmix == CurveSystemManager.normalmix &&
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use_cache == CurveSystemManager.use_cache &&
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use_smooth == CurveSystemManager.use_smooth &&
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triangle_method == CurveSystemManager.triangle_method &&
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resolution == CurveSystemManager.resolution &&
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use_curves == CurveSystemManager.use_curves &&
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use_joined == CurveSystemManager.use_joined &&
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segments == CurveSystemManager.segments &&
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use_parents == CurveSystemManager.use_parents);
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}
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bool CurveSystemManager::modified_mesh(const CurveSystemManager& CurveSystemManager)
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{
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return !(primitive == CurveSystemManager.primitive &&
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interpolation == CurveSystemManager.interpolation &&
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use_parents == CurveSystemManager.use_parents &&
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use_smooth == CurveSystemManager.use_smooth &&
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triangle_method == CurveSystemManager.triangle_method &&
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resolution == CurveSystemManager.resolution &&
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use_curves == CurveSystemManager.use_curves &&
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use_joined == CurveSystemManager.use_joined &&
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segments == CurveSystemManager.segments &&
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use_cache == CurveSystemManager.use_cache);
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}
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void CurveSystemManager::tag_update(Scene *scene)
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{
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need_update = true;
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}
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void CurveSystemManager::tag_update_mesh()
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{
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need_mesh_update = true;
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}
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CCL_NAMESPACE_END
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