Correct area light sampling.

README.md

@@ -16,6 +16,7 @@ Since I have no intention making this a extensive project (like AdaPT, taking ca
 |Depth Renderer|Unidirection PT|
 |:--:|:--:|
 |![](assets/depth-render.png)|![](assets/pt-render.png)|
+|![](assets/render-balls.png)|![](assets/render-bunny.png)|
 
 - [ ] CUDA texture bindings (with normal or UV maps)
 - [ ] GPU side BVH implementation. This will be the most difficult part, since "it is always easy to write your program with parallelism, but difficult to make it fast".

app/pt_renderer.cu

@@ -30,7 +30,7 @@ int main(int argc, char** argv) {
 
     PathTracer pt(scene.objects, scene.shapes, vert_data, norm_data, uvs_data, 1, scene.config.width, scene.config.height);
     printf("Prepare to render the scene... [%d] bounces, [%d] SPP\n", scene.config.max_depth, scene.config.spp);
-    auto bytes_buffer = pt.render(scene.config.spp, scene.config.max_depth);
+    auto bytes_buffer = pt.render(scene.config.spp, scene.config.max_depth, scene.config.gamma_correction);
 
     std::string file_name = "render.png";
 

scene/meshes/cornell/cbox_back.obj → scene/meshes/cbox/back.obj

@@ -1,10 +1,11 @@
-# Blender v2.82 (sub 7) OBJ File: ''
+# Blender 4.1.1
 # www.blender.org
 o cbox_back.001
-v 5.496000 -0.000000 5.592000
-v 0.000000 -0.000000 5.592000
+v 5.496000 0.000000 5.592000
+v 0.000000 0.000000 5.592000
 v 0.000000 5.487999 5.592000
 v 5.560000 5.487999 5.592000
-vn 0.0000 0.0000 -1.0000
+vn -0.0000 -0.0000 -1.0000
+s 0
 f 1//1 3//1 4//1
 f 1//1 2//1 3//1