Merge pull request #1 from sergeyreznik/dev

Merging dev into main

.gitignore

@@ -0,0 +1,2 @@
+*.exe
+*.pdb

CMakeLists.txt

@@ -11,6 +11,8 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 
+set(root_folder ${CMAKE_CURRENT_LIST_DIR})
+
 add_subdirectory(thirdparty)
 add_subdirectory(sources)
 

README.md

@@ -45,11 +45,11 @@ So now it is time for that hidden project to emerge on a surface. Releasing it a
 
 #### Project milestones:
 Order is a subject to change, but here are main things to do:
-- [ ] boilerplate code for window, input handling, etc;
-- [ ] basic boilerplate code for ray-tracing;
-- [ ] simplest CPU path-tracer;
+- [x] boilerplate code for window, input handling, etc;
+- [x] basic boilerplate code for ray-tracing;
+- [x] simplest CPU path-tracer;
 - [ ] OptiX and GPU-related code basics;
-- [ ] additional code for ray-tracing;
+- [x] additional code for ray-tracing;
 - [ ] VCM integrators (CPU and GPU);
 - [ ] cross-platform, cross-API support;
   ... maintaining code, adding new features.
@@ -58,8 +58,10 @@ Order is a subject to change, but here are main things to do:
 This part of the description would be updated during the development of the project, at the moment there is nothing to build here.
 All updates will be located here: [BUILDING.md](docs/BUILDING.md)
 
-#### Docs
-[Code style](docs/CODESTYLE.md) - code style may confuse you. But there is an explanation for that :)
+#### Sponsors
+This project is GitHub-sponsored by:
+* [Traverse-Research](https://github.com/Traverse-Research)
+* [voxel-tracer](https://github.com/voxel-tracer)
 
 #### Links
 Links to the books/papers/publications/resources I've used during the development:

bin/assets/cornellbox/cornellbox.json

@@ -0,0 +1,12 @@
+{
+    "geometry" : "cornellbox.obj",
+    "camera" : {
+        "viewport" : [640.0, 640.0],
+        "origin" : [0.0, 1.0, 5.15],
+        "target" : [0.0, 1.0, 0.0],
+        "up" : [0.0, 1.0, 0.0],
+        "fov" : 26.99,
+        "lens-radius" : 0.25,
+        "focal-distance" : 4.6
+    }
+}

bin/assets/cornellbox/cornellbox.mtl

@@ -0,0 +1,36 @@
+newmtl et::medium
+sigma_a 0.01 0.01 0.01
+sigma_s 0.075 0.075 0.075
+g 0.75
+
+newmtl white
+    Kd 1.0 1.0 1.0
+
+newmtl leftWall
+    Kd 1.0 0.0 0.0
+
+newmtl rightWall
+    Kd 0.0 1.0 0.0
+
+newmtl floor
+    Kd 1.0 1.0 1.0
+
+newmtl ceiling
+    Kd 1.0 1.0 1.0
+
+newmtl frontWall
+    Kd 1.0 1.0 1.0
+
+newmtl shortBox
+    Kd 1.0 1.0 1.0
+    Ks 1.0 1.0 1.0
+    Kt 1.0 1.0 1.0
+
+newmtl tallBox
+    Kd 1.0 1.0 1.0
+    Ks 1.0 1.0 1.0
+    Kt 1.0 1.0 1.0
+
+newmtl light
+    Kd 1.0 1.0 1.0
+    Ke 4 4 4

bin/assets/cornellbox/cornellbox.obj

@@ -0,0 +1,289 @@
+# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
+# File Created: 22.11.2016 00:04:47
+
+mtllib cornellbox.mtl
+
+#
+# object ceiling_Mesh
+#
+
+v  -1.00000 2.00000 -1.00000
+v  1.00000 2.00000 -1.00000
+v  1.00000 2.00000 1.00000
+v  -1.00000 2.00000 1.00000
+# 4 vertices
+
+vn 0.00000 -1.00000 -0.00000
+# 1 vertex normals
+
+vt 0.32937 0.33809 0.00000
+vt 0.65319 0.33809 0.00000
+vt 0.65319 0.66191 0.00000
+vt 0.32937 0.66191 0.00000
+# 4 texture coords
+
+g ceiling_Mesh
+usemtl ceiling
+s 1
+f 1/1/1 2/2/1 3/3/1 
+f 3/3/1 4/4/1 1/1/1 
+# 2 faces
+
+#
+# object floor_Mesh
+#
+
+v  1.00000 0.00000 1.00000
+v  1.00000 0.00000 -1.00000
+v  -1.00000 0.00000 -1.00000
+v  -1.00000 0.00000 1.00000
+# 4 vertices
+
+vn 0.00000 1.00000 -0.00000
+# 1 vertex normals
+
+vt 0.98133 0.33809 0.00000
+vt 0.98133 0.66191 0.00000
+vt 0.65751 0.66191 0.00000
+vt 0.65751 0.33809 0.00000
+# 4 texture coords
+
+g floor_Mesh
+usemtl floor
+s 1
+f 5/5/2 6/6/2 7/7/2 
+f 7/7/2 8/8/2 5/5/2 
+# 2 faces
+
+#
+# object frontWall_Mesh
+#
+
+v  1.00000 0.00000 -1.00000
+v  1.00000 2.00000 -1.00000
+v  -1.00000 2.00000 -1.00000
+v  -1.00000 0.00000 -1.00000
+# 4 vertices
+
+vn 0.00000 0.00000 1.00000
+# 1 vertex normals
+
+vt 0.65319 0.66623 0.00000
+vt 0.65319 0.99005 0.00000
+vt 0.32937 0.99005 0.00000
+vt 0.32937 0.66623 0.00000
+# 4 texture coords
+
+g frontWall_Mesh
+usemtl frontWall
+s 1
+f 9/9/3 10/10/3 11/11/3 
+f 11/11/3 12/12/3 9/9/3 
+# 2 faces
+
+#
+# object leftWall_Mesh
+#
+
+v  -1.00000 0.00000 -1.00000
+v  -1.00000 2.00000 -1.00000
+v  -1.00000 2.00000 1.00000
+v  -1.00000 0.00000 1.00000
+# 4 vertices
+
+vn 1.00000 0.00000 -0.00000
+# 1 vertex normals
+
+vt 0.98133 0.00995 0.00000
+vt 0.98133 0.33377 0.00000
+vt 0.65751 0.33377 0.00000
+vt 0.65751 0.00995 0.00000
+# 4 texture coords
+
+g leftWall_Mesh
+usemtl leftWall
+s 1
+f 13/13/4 14/14/4 15/15/4 
+f 15/15/4 16/16/4 13/13/4 
+# 2 faces
+
+#
+# object light_Mesh
+#
+
+v  -0.24000 1.99900 -0.22000
+v  0.23000 1.99900 -0.22000
+v  0.23000 1.99900 0.22000
+v  -0.24000 1.99900 0.22000
+# 4 vertices
+
+vn 0.00000 -1.00000 -0.00000
+# 1 vertex normals
+
+vt 0.65751 0.66623 0.00000
+vt 0.73361 0.66623 0.00000
+vt 0.73361 0.72776 0.00000
+vt 0.65751 0.72776 0.00000
+# 4 texture coords
+
+g light_Mesh
+usemtl light
+s 1
+f 17/17/5 18/18/5 19/19/5 
+f 19/19/5 20/20/5 17/17/5 
+# 2 faces
+
+#
+# object rightWall_Mesh
+#
+
+v  1.00000 0.00000 1.00000
+v  1.00000 2.00000 1.00000
+v  1.00000 2.00000 -1.00000
+v  1.00000 0.00000 -1.00000
+# 4 vertices
+
+vn -1.00000 0.00000 -0.00000
+# 1 vertex normals
+
+vt 0.65319 0.00995 0.00000
+vt 0.65319 0.33377 0.00000
+vt 0.32937 0.33377 0.00000
+vt 0.32937 0.00995 0.00000
+# 4 texture coords
+
+g rightWall_Mesh
+usemtl rightWall
+s 1
+f 21/21/6 22/22/6 23/23/6 
+f 23/23/6 24/24/6 21/21/6 
+# 2 faces
+
+#
+# object shortBox_Mesh
+#
+
+v  0.70000 0.60000 0.17000
+v  0.13000 0.60000 -0.00000
+v  -0.05000 0.60000 0.57000
+v  0.53000 0.60000 0.75000
+v  0.13000 0.00000 -0.00000
+v  -0.05000 0.00000 0.57000
+v  0.53000 0.00000 0.75000
+v  0.70000 0.00000 0.17000
+# 8 vertices
+
+vn 0.00000 1.00000 -0.00000
+vn -0.95358 0.00000 -0.30113
+vn -0.29640 0.00000 0.95506
+vn 0.95963 0.00000 0.28127
+vn 0.28580 0.00000 -0.95829
+# 5 vertex normals
+
+vt 0.13138 0.63182 0.00000
+vt 0.03909 0.65935 0.00000
+vt 0.00995 0.56706 0.00000
+vt 0.10386 0.53791 0.00000
+vt 0.32262 0.71129 0.00000
+vt 0.22811 0.71129 0.00000
+vt 0.22811 0.61181 0.00000
+vt 0.32262 0.61181 0.00000
+vt 0.22928 0.61136 0.00000
+vt 0.13319 0.61136 0.00000
+vt 0.13319 0.51196 0.00000
+vt 0.22928 0.51196 0.00000
+vt 0.22916 0.51136 0.00000
+vt 0.13330 0.51136 0.00000
+vt 0.13330 0.41219 0.00000
+vt 0.22916 0.41219 0.00000
+vt 0.22755 0.71117 0.00000
+vt 0.13327 0.71117 0.00000
+vt 0.13327 0.61193 0.00000
+vt 0.22755 0.61193 0.00000
+vt 0.13138 0.50729 0.00000
+vt 0.03909 0.53481 0.00000
+vt 0.00995 0.44253 0.00000
+vt 0.10386 0.41338 0.00000
+# 24 texture coords
+
+g shortBox_Mesh
+usemtl shortBox
+s 1
+f 25/25/7 26/26/7 27/27/7 
+f 27/27/7 28/28/7 25/25/7 
+f 27/29/8 26/30/8 29/31/8 
+f 29/31/8 30/32/8 27/29/8 
+f 28/33/9 27/34/9 30/35/9 
+f 30/35/9 31/36/9 28/33/9 
+f 25/37/10 28/38/10 31/39/10 
+f 31/39/10 32/40/10 25/37/10 
+f 26/41/11 25/42/11 32/43/11 
+f 32/43/11 29/44/11 26/41/11 
+f 32/45/7 29/46/7 30/47/7 
+f 30/47/7 31/48/7 32/45/7 
+# 12 faces
+
+#
+# object tallBox_Mesh
+#
+
+v  0.04000 1.20000 -0.09000
+v  -0.14000 1.20000 -0.67000
+v  -0.71000 1.20000 -0.49000
+v  -0.53000 1.20000 0.09000
+v  -0.71000 0.00000 -0.49000
+v  -0.53000 0.00000 0.09000
+v  -0.14000 0.00000 -0.67000
+v  0.04000 0.00000 -0.09000
+# 8 vertices
+
+vn 0.00000 1.00000 -0.00000
+vn -0.95506 0.00000 0.29640
+vn -0.30113 0.00000 -0.95358
+vn 0.95506 0.00000 -0.29640
+vn 0.30113 0.00000 0.95358
+# 5 vertex normals
+
+vt 0.32504 0.16747 0.00000
+vt 0.29590 0.26138 0.00000
+vt 0.20361 0.23224 0.00000
+vt 0.23276 0.13833 0.00000
+vt 0.10604 0.20884 0.00000
+vt 0.00995 0.20884 0.00000
+vt 0.00995 0.01003 0.00000
+vt 0.10604 0.01003 0.00000
+vt 0.20143 0.40787 0.00000
+vt 0.10692 0.40787 0.00000
+vt 0.10692 0.20890 0.00000
+vt 0.20143 0.20890 0.00000
+vt 0.10604 0.40779 0.00000
+vt 0.00995 0.40779 0.00000
+vt 0.00995 0.20898 0.00000
+vt 0.10604 0.20898 0.00000
+vt 0.20143 0.20891 0.00000
+vt 0.10692 0.20891 0.00000
+vt 0.10692 0.00995 0.00000
+vt 0.20143 0.00995 0.00000
+vt 0.32504 0.04087 0.00000
+vt 0.29590 0.13478 0.00000
+vt 0.20361 0.10564 0.00000
+vt 0.23276 0.01173 0.00000
+# 24 texture coords
+
+g tallBox_Mesh
+usemtl tallBox
+s 1
+f 33/49/12 34/50/12 35/51/12 
+f 35/51/12 36/52/12 33/49/12 
+f 36/53/13 35/54/13 37/55/13 
+f 37/55/13 38/56/13 36/53/13 
+f 35/57/14 34/58/14 39/59/14 
+f 39/59/14 37/60/14 35/57/14 
+f 34/61/15 33/62/15 40/63/15 
+f 40/63/15 39/64/15 34/61/15 
+f 33/65/16 36/66/16 38/67/16 
+f 38/67/16 40/68/16 33/65/16 
+f 40/69/12 39/70/12 37/71/12 
+f 37/71/12 38/72/12 40/69/12 
+# 12 faces
+