From a3ffa7072ad312b82dd90605e3fa28d1e131d059 Mon Sep 17 00:00:00 2001
From: Dzmitry Malyshau <dmalyshau@mozilla.com>
Date: Sat, 30 Mar 2019 10:14:35 -0400
Subject: [PATCH] Fix the triangle examples

---
 examples/hello_triangle_c/main.c     | 9 +++++++++
 examples/hello_triangle_rust/main.rs | 5 +++++
 2 files changed, 14 insertions(+)

diff --git a/examples/hello_triangle_c/main.c b/examples/hello_triangle_c/main.c
index 6fe9b9092..cc7e84883 100644
--- a/examples/hello_triangle_c/main.c
+++ b/examples/hello_triangle_c/main.c
@@ -73,6 +73,14 @@ int main() {
                 .bindings = NULL,
                 .bindings_length = 0,
             });
+    WGPUBindGroupId bind_group =
+        wgpu_device_create_bind_group(device,
+            &(WGPUBindGroupDescriptor){
+                .layout = bind_group_layout,
+                .bindings = NULL,
+                .bindings_length = 0,
+            });
+
     WGPUBindGroupLayoutId bind_group_layouts[BIND_GROUP_LAYOUTS_LENGTH] = {
         bind_group_layout};
 
@@ -211,6 +219,7 @@ int main() {
                 });
 
         wgpu_render_pass_set_pipeline(rpass, render_pipeline);
+        wgpu_render_pass_set_bind_group(rpass, 0, bind_group);
         wgpu_render_pass_draw(rpass, 3, 1, 0, 0);
         WGPUQueueId queue = wgpu_device_get_queue(device);
         WGPUCommandBufferId cmd_buf = wgpu_render_pass_end_pass(rpass);
diff --git a/examples/hello_triangle_rust/main.rs b/examples/hello_triangle_rust/main.rs
index e06656e03..5e5dd070f 100644
--- a/examples/hello_triangle_rust/main.rs
+++ b/examples/hello_triangle_rust/main.rs
@@ -21,6 +21,10 @@ fn main() {
 
     let bind_group_layout =
         device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor { bindings: &[] });
+    let bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
+        layout: &bind_group_layout,
+        bindings: &[],
+    });
     let pipeline_layout = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
         bind_group_layouts: &[&bind_group_layout],
     });
@@ -113,6 +117,7 @@ fn main() {
                 depth_stencil_attachment: None,
             });
             rpass.set_pipeline(&render_pipeline);
+            rpass.set_bind_group(0, &bind_group);
             rpass.draw(0..3, 0..1);
         }