forked from bartvdbraak/blender
317 lines
7.2 KiB
C++
317 lines
7.2 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 "camera.h"
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#include "device.h"
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#include "film.h"
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#include "integrator.h"
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#include "mesh.h"
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#include "scene.h"
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#include "util_algorithm.h"
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#include "util_foreach.h"
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CCL_NAMESPACE_BEGIN
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/* Pass */
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static bool compare_pass_order(const Pass& a, const Pass& b)
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{
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if(a.components == b.components)
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return (a.type < b.type);
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return (a.components > b.components);
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}
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void Pass::add(PassType type, vector<Pass>& passes)
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{
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foreach(Pass& existing_pass, passes)
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if(existing_pass.type == type)
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return;
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Pass pass;
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pass.type = type;
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pass.filter = true;
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pass.exposure = false;
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pass.divide_type = PASS_NONE;
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switch(type) {
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case PASS_NONE:
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pass.components = 0;
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break;
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case PASS_COMBINED:
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pass.components = 4;
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pass.exposure = true;
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break;
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case PASS_DEPTH:
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pass.components = 1;
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pass.filter = false;
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break;
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case PASS_NORMAL:
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pass.components = 4;
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break;
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case PASS_UV:
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pass.components = 4;
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break;
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case PASS_MOTION:
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pass.components = 4;
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pass.divide_type = PASS_MOTION_WEIGHT;
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break;
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case PASS_MOTION_WEIGHT:
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pass.components = 1;
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break;
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case PASS_OBJECT_ID:
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pass.components = 1;
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pass.filter = false;
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break;
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case PASS_MATERIAL_ID:
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pass.components = 1;
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pass.filter = false;
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break;
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case PASS_DIFFUSE_COLOR:
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pass.components = 4;
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break;
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case PASS_GLOSSY_COLOR:
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pass.components = 4;
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break;
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case PASS_TRANSMISSION_COLOR:
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pass.components = 4;
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break;
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case PASS_DIFFUSE_INDIRECT:
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pass.components = 4;
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pass.exposure = true;
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pass.divide_type = PASS_DIFFUSE_COLOR;
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break;
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case PASS_GLOSSY_INDIRECT:
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pass.components = 4;
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pass.exposure = true;
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pass.divide_type = PASS_GLOSSY_COLOR;
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break;
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case PASS_TRANSMISSION_INDIRECT:
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pass.components = 4;
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pass.exposure = true;
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pass.divide_type = PASS_TRANSMISSION_COLOR;
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break;
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case PASS_DIFFUSE_DIRECT:
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pass.components = 4;
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pass.exposure = true;
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pass.divide_type = PASS_DIFFUSE_COLOR;
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break;
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case PASS_GLOSSY_DIRECT:
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pass.components = 4;
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pass.exposure = true;
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pass.divide_type = PASS_GLOSSY_COLOR;
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break;
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case PASS_TRANSMISSION_DIRECT:
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pass.components = 4;
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pass.exposure = true;
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pass.divide_type = PASS_TRANSMISSION_COLOR;
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break;
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case PASS_EMISSION:
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pass.components = 4;
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pass.exposure = true;
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break;
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case PASS_BACKGROUND:
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pass.components = 4;
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pass.exposure = true;
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break;
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case PASS_AO:
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pass.components = 4;
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break;
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case PASS_SHADOW:
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pass.components = 4;
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pass.exposure = false;
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break;
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}
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passes.push_back(pass);
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/* order from by components, to ensure alignment so passes with size 4
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* come first and then passes with size 1 */
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sort(passes.begin(), passes.end(), compare_pass_order);
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if(pass.divide_type != PASS_NONE)
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Pass::add(pass.divide_type, passes);
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}
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bool Pass::equals(const vector<Pass>& A, const vector<Pass>& B)
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{
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if(A.size() != B.size())
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return false;
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for(int i = 0; i < A.size(); i++)
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if(A[i].type != B[i].type)
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return false;
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return true;
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}
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bool Pass::contains(const vector<Pass>& passes, PassType type)
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{
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foreach(const Pass& pass, passes)
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if(pass.type == type)
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return true;
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return false;
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}
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/* Film */
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Film::Film()
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{
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exposure = 0.8f;
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Pass::add(PASS_COMBINED, passes);
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need_update = true;
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}
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Film::~Film()
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{
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}
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void Film::device_update(Device *device, DeviceScene *dscene)
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{
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if(!need_update)
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return;
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KernelFilm *kfilm = &dscene->data.film;
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/* update __data */
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kfilm->exposure = exposure;
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kfilm->pass_flag = 0;
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kfilm->pass_stride = 0;
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kfilm->use_light_pass = 0;
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foreach(Pass& pass, passes) {
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kfilm->pass_flag |= pass.type;
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switch(pass.type) {
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case PASS_COMBINED:
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kfilm->pass_combined = kfilm->pass_stride;
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break;
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case PASS_DEPTH:
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kfilm->pass_depth = kfilm->pass_stride;
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break;
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case PASS_NORMAL:
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kfilm->pass_normal = kfilm->pass_stride;
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break;
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case PASS_UV:
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kfilm->pass_uv = kfilm->pass_stride;
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break;
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case PASS_MOTION:
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kfilm->pass_motion = kfilm->pass_stride;
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break;
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case PASS_MOTION_WEIGHT:
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kfilm->pass_motion_weight = kfilm->pass_stride;
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break;
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case PASS_OBJECT_ID:
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kfilm->pass_object_id = kfilm->pass_stride;
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break;
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case PASS_MATERIAL_ID:
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kfilm->pass_material_id = kfilm->pass_stride;
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break;
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case PASS_DIFFUSE_COLOR:
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kfilm->pass_diffuse_color = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_GLOSSY_COLOR:
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kfilm->pass_glossy_color = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_TRANSMISSION_COLOR:
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kfilm->pass_transmission_color = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_DIFFUSE_INDIRECT:
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kfilm->pass_diffuse_indirect = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_GLOSSY_INDIRECT:
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kfilm->pass_glossy_indirect = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_TRANSMISSION_INDIRECT:
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kfilm->pass_transmission_indirect = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_DIFFUSE_DIRECT:
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kfilm->pass_diffuse_direct = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_GLOSSY_DIRECT:
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kfilm->pass_glossy_direct = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_TRANSMISSION_DIRECT:
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kfilm->pass_transmission_direct = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_EMISSION:
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kfilm->pass_emission = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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break;
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case PASS_BACKGROUND:
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kfilm->pass_background = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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case PASS_AO:
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kfilm->pass_ao = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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case PASS_SHADOW:
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kfilm->pass_shadow = kfilm->pass_stride;
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kfilm->use_light_pass = 1;
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case PASS_NONE:
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break;
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}
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kfilm->pass_stride += pass.components;
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}
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kfilm->pass_stride = align_up(kfilm->pass_stride, 4);
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need_update = false;
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}
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void Film::device_free(Device *device, DeviceScene *dscene)
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{
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}
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bool Film::modified(const Film& film)
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{
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return !(exposure == film.exposure
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&& Pass::equals(passes, film.passes));
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}
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void Film::tag_passes_update(Scene *scene, const vector<Pass>& passes_)
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{
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if(Pass::contains(passes, PASS_UV) != Pass::contains(passes_, PASS_UV))
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scene->mesh_manager->tag_update(scene);
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else if(Pass::contains(passes, PASS_MOTION) != Pass::contains(passes_, PASS_MOTION))
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scene->mesh_manager->tag_update(scene);
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passes = passes_;
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}
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void Film::tag_update(Scene *scene)
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{
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need_update = true;
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}
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CCL_NAMESPACE_END
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