portability/README.md
2018-03-02 06:56:17 -05:00

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## gfx-portability
[![Build Status](https://travis-ci.org/gfx-rs/portability.svg?branch=master)](https://travis-ci.org/gfx-rs/portability)
[![Gitter](https://badges.gitter.im/gfx-rs/portability.svg)](https://gitter.im/gfx-rs/portability)
This is a prototype library implementing [Vulkan Portability Initiative](https://www.khronos.org/blog/khronos-announces-the-vulkan-portability-initiative) using gfx-rs [low-level core](http://gfx-rs.github.io/2017/07/24/low-level.html). See gfx-rs [meta issue](https://github.com/gfx-rs/gfx/issues/1354) for backend limitations and further details.
## Check out
```
git clone --recursive https://github.com/gfx-rs/portability && cd portability
```
## Build
### Makefile (Unix)
```
make
```
### CMake (Window)
Build the Rust library (portability implementation):
```
cargo build --manifest-path libportability/Cargo.toml --features <vulkan|dx12|metal>
```
Build the native example:
```
mkdir build
cd build
cmake ..
cmake --build . --target native_test
```
## Running Samples
### LunarG (API-Samples)
After building `portability` as shown above, grab a copy from https://github.com/LunarG/VulkanSamples.
Manually override the [`VULKAN_LOADER`](https://github.com/LunarG/VulkanSamples/blob/master/API-Samples/CMakeLists.txt#L189-L194) variable and set it to the portability library.
```
set (VULKAN_LOADER "path/to/portability/library")
```
Then proceed with the normal build instructions.