adapt dx11 engine with new object loader interface

BasaltPresenter/README.md

@@ -2,9 +2,70 @@
 
 ## Dependencies
 
+* [spdlog](https://github.com/gabime/spdlog)
 * [tinyobjloader](https://github.com/tinyobjloader/tinyobjloader)
 * [cgltf](https://github.com/jkuhlmann/cgltf)
 
+We assume that you executing following commands in the root directory of `BasaltPresenter` project.
+
+### spdlog
+
+```sh
+cd external
+git clone -b 1.17.0 https://github.com/gabime/spdlog.git
+
+cd spdlog
+mkdir out
+cd out
+mkdir build
+mkdir install
+```
+
+In Windows:
+
+```bat
+cmake -A x64 ../..
+cmake --build . --config Release
+cmake --install . --prefix=../install
+```
+
+Or in POSIX:
+
+```sh
+cmake -DCMAKE_BUILD_TYPE=Release ../..
+cmake --build .
+cmake --install . --prefix=../install
+```
+
+#### tinyobjloader
+
+```sh
+cd external
+git clone -b v2.0.0 https://github.com/tinyobjloader/tinyobjloader.git
+
+cd tinyobjloader
+mkdir out
+cd out
+mkdir build
+mkdir install
+```
+
+In Windows:
+
+```bat
+cmake -A x64 ../..
+cmake --build . --config Release
+cmake --install . --prefix=../install
+```
+
+Or in POSIX:
+
+```sh
+cmake -DCMAKE_BUILD_TYPE=Release ../..
+cmake --build .
+cmake --install . --prefix=../install
+```
+
 ## Warning
 
 This project was not written robustly.