Port hello_triangle_rust example to use the new Rust wrapper

Cargo.lock

@@ -206,6 +206,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "examples"
 version = "0.1.0"
 dependencies = [
+ "wgpu 0.1.0",
  "wgpu-native 0.1.0",
 ]
 

examples/Cargo.toml

@@ -20,3 +20,4 @@ vulkan = ["wgpu-native/gfx-backend-vulkan"]
 
 [dependencies]
 wgpu-native = { path = "../wgpu-native" }
+wgpu = { path = "../wgpu-rs" }

examples/hello_triangle_rust/main.rs

@@ -1,40 +1,20 @@
-extern crate wgpu_native;
-use wgpu_native::*;
-
+extern crate wgpu;
 fn main() {
-    let instance = wgpu_create_instance();
-    let adapter = wgpu_instance_get_adapter(
-        instance,
-        AdapterDescriptor {
-            power_preference: PowerPreference::LowPower,
+    let instance = wgpu::Instance::new();
+    let adapter = instance.get_adapter(
+        wgpu::AdapterDescriptor {
+            power_preference: wgpu::PowerPreference::LowPower,
         },
     );
-    let device = wgpu_adapter_create_device(
-        adapter,
-        DeviceDescriptor {
-            extensions: Extensions {
+    let device = adapter.create_device(
+        wgpu::DeviceDescriptor {
+            extensions: wgpu::Extensions {
                 anisotropic_filtering: false,
             },
         },
     );
     let vs_bytes = include_bytes!("./../data/hello_triangle.vert.spv");
-    let _vs = wgpu_device_create_shader_module(
-        device,
-        ShaderModuleDescriptor {
-            code: ByteArray {
-                bytes: vs_bytes.as_ptr(),
-                length: vs_bytes.len(),
-            },
-        },
-    );
+    let _vs = device.create_shader_module(vs_bytes);
     let fs_bytes = include_bytes!("./../data/hello_triangle.frag.spv");
-    let _fs = wgpu_device_create_shader_module(
-        device,
-        ShaderModuleDescriptor {
-            code: ByteArray {
-                bytes: fs_bytes.as_ptr(),
-                length: fs_bytes.len(),
-            },
-        },
-    );
+    let _fs = device.create_shader_module(fs_bytes);
 }

wgpu-rs/src/lib.rs

@@ -2,7 +2,7 @@ extern crate wgpu_native as wgn;
 
 pub use wgn::{
     Color, Origin3d, Extent3d,
-    AdapterDescriptor, Extensions, DeviceDescriptor,
+    AdapterDescriptor, Extensions, DeviceDescriptor, PowerPreference,
     ShaderModuleDescriptor,
 };