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blender/intern/cycles/render/film.cpp
Sergey Sharybin 0579eaae1f Cycles: Make all #include statements relative to cycles source directory 
The idea is to make include statements more explicit and obvious where the
file is coming from, additionally reducing chance of wrong header being
picked up.

For example, it was not obvious whether bvh.h was refferring to builder
or traversal, whenter node.h is a generic graph node or a shader node
and cases like that.

Surely this might look obvious for the active developers, but after some
time of not touching the code it becomes less obvious where file is coming
from.

This was briefly mentioned in T50824 and seems @brecht is fine with such
explicitness, but need to agree with all active developers before committing
this.

Please note that this patch is lacking changes related on GPU/OpenCL
support. This will be solved if/when we all agree this is a good idea to move
forward.

Reviewers: brecht, lukasstockner97, maiself, nirved, dingto, juicyfruit, swerner

Reviewed By: lukasstockner97, maiself, nirved, dingto

Subscribers: brecht

Differential Revision: https://developer.blender.org/D2586
2017-03-29 13:41:11 +02:00

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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "render/camera.h"
#include "device/device.h"
#include "render/film.h"
#include "render/integrator.h"
#include "render/mesh.h"
#include "render/scene.h"
#include "render/tables.h"
#include "util/util_algorithm.h"
#include "util/util_debug.h"
#include "util/util_foreach.h"
#include "util/util_math.h"
#include "util/util_math_cdf.h"
CCL_NAMESPACE_BEGIN
/* Pass */
static bool compare_pass_order(const Pass& a, const Pass& b)
{
if(a.components == b.components)
return (a.type < b.type);
return (a.components > b.components);
}
void Pass::add(PassType type, array<Pass>& passes)
{
for(size_t i = 0; i < passes.size(); i++)
if(passes[i].type == type)
return;
Pass pass;
pass.type = type;
pass.filter = true;
pass.exposure = false;
pass.divide_type = PASS_NONE;
switch(type) {
case PASS_NONE:
pass.components = 0;
break;
case PASS_COMBINED:
pass.components = 4;
pass.exposure = true;
break;
case PASS_DEPTH:
pass.components = 1;
pass.filter = false;
break;
case PASS_MIST:
pass.components = 1;
break;
case PASS_NORMAL:
pass.components = 4;
break;
case PASS_UV:
pass.components = 4;
break;
case PASS_MOTION:
pass.components = 4;
pass.divide_type = PASS_MOTION_WEIGHT;
break;
case PASS_MOTION_WEIGHT:
pass.components = 1;
break;
case PASS_OBJECT_ID:
case PASS_MATERIAL_ID:
pass.components = 1;
pass.filter = false;
break;
case PASS_DIFFUSE_COLOR:
case PASS_GLOSSY_COLOR:
case PASS_TRANSMISSION_COLOR:
case PASS_SUBSURFACE_COLOR:
pass.components = 4;
break;
case PASS_DIFFUSE_INDIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_DIFFUSE_COLOR;
break;
case PASS_GLOSSY_INDIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_GLOSSY_COLOR;
break;
case PASS_TRANSMISSION_INDIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_TRANSMISSION_COLOR;
break;
case PASS_SUBSURFACE_INDIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_SUBSURFACE_COLOR;
break;
case PASS_DIFFUSE_DIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_DIFFUSE_COLOR;
break;
case PASS_GLOSSY_DIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_GLOSSY_COLOR;
break;
case PASS_TRANSMISSION_DIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_TRANSMISSION_COLOR;
break;
case PASS_SUBSURFACE_DIRECT:
pass.components = 4;
pass.exposure = true;
pass.divide_type = PASS_SUBSURFACE_COLOR;
break;
case PASS_EMISSION:
case PASS_BACKGROUND:
pass.components = 4;
pass.exposure = true;
break;
case PASS_AO:
pass.components = 4;
break;
case PASS_SHADOW:
pass.components = 4;
pass.exposure = false;
break;
case PASS_LIGHT:
/* This isn't a real pass, used by baking to see whether
* light data is needed or not.
*
* Set components to 0 so pass sort below happens in a
* determined way.
*/
pass.components = 0;
break;
#ifdef WITH_CYCLES_DEBUG
case PASS_BVH_TRAVERSED_NODES:
case PASS_BVH_TRAVERSED_INSTANCES:
case PASS_BVH_INTERSECTIONS:
case PASS_RAY_BOUNCES:
pass.components = 1;
pass.exposure = false;
break;
#endif
}
passes.push_back_slow(pass);
/* order from by components, to ensure alignment so passes with size 4
* come first and then passes with size 1 */
sort(&passes[0], &passes[0] + passes.size(), compare_pass_order);
if(pass.divide_type != PASS_NONE)
Pass::add(pass.divide_type, passes);
}
bool Pass::equals(const array<Pass>& A, const array<Pass>& B)
{
if(A.size() != B.size())
return false;
for(int i = 0; i < A.size(); i++)
if(A[i].type != B[i].type)
return false;
return true;
}
bool Pass::contains(const array<Pass>& passes, PassType type)
{
for(size_t i = 0; i < passes.size(); i++)
if(passes[i].type == type)
return true;
return false;
}
/* Pixel Filter */
static float filter_func_box(float /*v*/, float /*width*/)
{
return 1.0f;
}
static float filter_func_gaussian(float v, float width)
{
v *= 6.0f/width;
return expf(-2.0f*v*v);
}
static float filter_func_blackman_harris(float v, float width)
{
v = M_2PI_F * (v / width + 0.5f);
return 0.35875f - 0.48829f*cosf(v) + 0.14128f*cosf(2.0f*v) - 0.01168f*cosf(3.0f*v);
}
static vector<float> filter_table(FilterType type, float width)
{
vector<float> filter_table(FILTER_TABLE_SIZE);
float (*filter_func)(float, float) = NULL;
switch(type) {
case FILTER_BOX:
filter_func = filter_func_box;
break;
case FILTER_GAUSSIAN:
filter_func = filter_func_gaussian;
width *= 3.0f;
break;
case FILTER_BLACKMAN_HARRIS:
filter_func = filter_func_blackman_harris;
width *= 2.0f;
break;
default:
assert(0);
}
/* Create importance sampling table. */
/* TODO(sergey): With the even filter table size resolution we can not
* really make it nice symmetric importance map without sampling full range
* (meaning, we would need to sample full filter range and not use the
* make_symmetric argument).
*
* Current code matches exactly initial filter table code, but we should
* consider either making FILTER_TABLE_SIZE odd value or sample full filter.
*/
util_cdf_inverted(FILTER_TABLE_SIZE,
0.0f,
width * 0.5f,
function_bind(filter_func, _1, width),
true,
filter_table);
return filter_table;
}
/* Film */
NODE_DEFINE(Film)
{
NodeType* type = NodeType::add("film", create);
SOCKET_FLOAT(exposure, "Exposure", 0.8f);
SOCKET_FLOAT(pass_alpha_threshold, "Pass Alpha Threshold", 0.5f);
static NodeEnum filter_enum;
filter_enum.insert("box", FILTER_BOX);
filter_enum.insert("gaussian", FILTER_GAUSSIAN);
filter_enum.insert("blackman_harris", FILTER_BLACKMAN_HARRIS);
SOCKET_ENUM(filter_type, "Filter Type", filter_enum, FILTER_BOX);
SOCKET_FLOAT(filter_width, "Filter Width", 1.0f);
SOCKET_FLOAT(mist_start, "Mist Start", 0.0f);
SOCKET_FLOAT(mist_depth, "Mist Depth", 100.0f);
SOCKET_FLOAT(mist_falloff, "Mist Falloff", 1.0f);
SOCKET_BOOLEAN(use_sample_clamp, "Use Sample Clamp", false);
return type;
}
Film::Film()
: Node(node_type)
{
Pass::add(PASS_COMBINED, passes);
use_light_visibility = false;
filter_table_offset = TABLE_OFFSET_INVALID;
need_update = true;
}
Film::~Film()
{
}
void Film::device_update(Device *device, DeviceScene *dscene, Scene *scene)
{
if(!need_update)
return;
device_free(device, dscene, scene);
KernelFilm *kfilm = &dscene->data.film;
/* update __data */
kfilm->exposure = exposure;
kfilm->pass_flag = 0;
kfilm->pass_stride = 0;
kfilm->use_light_pass = use_light_visibility || use_sample_clamp;
for(size_t i = 0; i < passes.size(); i++) {
Pass& pass = passes[i];
kfilm->pass_flag |= pass.type;
switch(pass.type) {
case PASS_COMBINED:
kfilm->pass_combined = kfilm->pass_stride;
break;
case PASS_DEPTH:
kfilm->pass_depth = kfilm->pass_stride;
break;
case PASS_MIST:
kfilm->pass_mist = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_NORMAL:
kfilm->pass_normal = kfilm->pass_stride;
break;
case PASS_UV:
kfilm->pass_uv = kfilm->pass_stride;
break;
case PASS_MOTION:
kfilm->pass_motion = kfilm->pass_stride;
break;
case PASS_MOTION_WEIGHT:
kfilm->pass_motion_weight = kfilm->pass_stride;
break;
case PASS_OBJECT_ID:
kfilm->pass_object_id = kfilm->pass_stride;
break;
case PASS_MATERIAL_ID:
kfilm->pass_material_id = kfilm->pass_stride;
break;
case PASS_DIFFUSE_COLOR:
kfilm->pass_diffuse_color = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_GLOSSY_COLOR:
kfilm->pass_glossy_color = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_TRANSMISSION_COLOR:
kfilm->pass_transmission_color = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_SUBSURFACE_COLOR:
kfilm->pass_subsurface_color = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_DIFFUSE_INDIRECT:
kfilm->pass_diffuse_indirect = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_GLOSSY_INDIRECT:
kfilm->pass_glossy_indirect = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_TRANSMISSION_INDIRECT:
kfilm->pass_transmission_indirect = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_SUBSURFACE_INDIRECT:
kfilm->pass_subsurface_indirect = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_DIFFUSE_DIRECT:
kfilm->pass_diffuse_direct = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_GLOSSY_DIRECT:
kfilm->pass_glossy_direct = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_TRANSMISSION_DIRECT:
kfilm->pass_transmission_direct = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_SUBSURFACE_DIRECT:
kfilm->pass_subsurface_direct = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_EMISSION:
kfilm->pass_emission = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_BACKGROUND:
kfilm->pass_background = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_AO:
kfilm->pass_ao = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_SHADOW:
kfilm->pass_shadow = kfilm->pass_stride;
kfilm->use_light_pass = 1;
break;
case PASS_LIGHT:
kfilm->use_light_pass = 1;
break;
#ifdef WITH_CYCLES_DEBUG
case PASS_BVH_TRAVERSED_NODES:
kfilm->pass_bvh_traversed_nodes = kfilm->pass_stride;
break;
case PASS_BVH_TRAVERSED_INSTANCES:
kfilm->pass_bvh_traversed_instances = kfilm->pass_stride;
break;
case PASS_BVH_INTERSECTIONS:
kfilm->pass_bvh_intersections = kfilm->pass_stride;
break;
case PASS_RAY_BOUNCES:
kfilm->pass_ray_bounces = kfilm->pass_stride;
break;
#endif
case PASS_NONE:
break;
}
kfilm->pass_stride += pass.components;
}
kfilm->pass_stride = align_up(kfilm->pass_stride, 4);
kfilm->pass_alpha_threshold = pass_alpha_threshold;
/* update filter table */
vector<float> table = filter_table(filter_type, filter_width);
scene->lookup_tables->remove_table(&filter_table_offset);
filter_table_offset = scene->lookup_tables->add_table(dscene, table);
kfilm->filter_table_offset = (int)filter_table_offset;
/* mist pass parameters */
kfilm->mist_start = mist_start;
kfilm->mist_inv_depth = (mist_depth > 0.0f)? 1.0f/mist_depth: 0.0f;
kfilm->mist_falloff = mist_falloff;
need_update = false;
}
void Film::device_free(Device * /*device*/,
DeviceScene * /*dscene*/,
Scene *scene)
{
scene->lookup_tables->remove_table(&filter_table_offset);
}
bool Film::modified(const Film& film)
{
return !Node::equals(film) || !Pass::equals(passes, film.passes);
}
void Film::tag_passes_update(Scene *scene, const array<Pass>& passes_)
{
if(Pass::contains(passes, PASS_UV) != Pass::contains(passes_, PASS_UV)) {
scene->mesh_manager->tag_update(scene);
foreach(Shader *shader, scene->shaders)
shader->need_update_attributes = true;
}
else if(Pass::contains(passes, PASS_MOTION) != Pass::contains(passes_, PASS_MOTION))
scene->mesh_manager->tag_update(scene);
passes = passes_;
}
void Film::tag_update(Scene * /*scene*/)
{
need_update = true;
}
CCL_NAMESPACE_END
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