debug: Increase number of vertices so it is easier to spot whether th…

…ey were rendered
REASY · Feb 3, 2023 · 26faf4e · 26faf4e
1 parent 733899b
commit 26faf4e
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Showing 2 changed files with 68 additions and 4 deletions.
diff --git a/wgpu/examples/hello-triangle/main.rs b/wgpu/examples/hello-triangle/main.rs
@@ -127,7 +127,7 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
                         depth_stencil_attachment: None,
                     });
                     rpass.set_pipeline(&render_pipeline);
-                    rpass.draw(0..3, 0..1);
+                    rpass.draw(0..64, 0..1);
                 }
 
                 queue.submit(Some(encoder.finish()));

diff --git a/wgpu/examples/hello-triangle/shader.wgsl b/wgpu/examples/hello-triangle/shader.wgsl
@@ -1,8 +1,72 @@
 @vertex
 fn vs_main(@builtin(vertex_index) in_vertex_index: u32) -> @builtin(position) vec4<f32> {
-    let x = f32(i32(in_vertex_index) - 1);
-    let y = f32(i32(in_vertex_index & 1u) * 2 - 1);
-    return vec4<f32>(x, y, 0.0, 1.0);
+    var pos = array<vec2<f32>,64>(
+        vec2<f32>(0.5,  0.7),
+        vec2<f32>(0.51,  0.7),
+        vec2<f32>(0.52,  0.7),
+        vec2<f32>(0.53,  0.7),
+        vec2<f32>(0.54,  0.7),
+        vec2<f32>(0.55,  0.7),
+        vec2<f32>(0.56,  0.7),
+        vec2<f32>(0.57,  0.7),
+        vec2<f32>(0.6,  0.7),
+        vec2<f32>(0.61,  0.7),
+        vec2<f32>(0.62,  0.7),
+        vec2<f32>(0.63,  0.7),
+        vec2<f32>(0.64,  0.7),
+        vec2<f32>(0.65,  0.7),
+        vec2<f32>(0.66,  0.7),
+        vec2<f32>(0.67,  0.7),
+        vec2<f32>(0.7,  0.7),
+        vec2<f32>(0.71,  0.7),
+        vec2<f32>(0.72,  0.7),
+        vec2<f32>(0.73,  0.7),
+        vec2<f32>(0.74,  0.7),
+        vec2<f32>(0.75,  0.7),
+        vec2<f32>(0.76,  0.7),
+        vec2<f32>(0.77,  0.7),
+        vec2<f32>(0.8,  0.7),
+        vec2<f32>(0.81,  0.7),
+        vec2<f32>(0.82,  0.7),
+        vec2<f32>(0.83,  0.7),
+        vec2<f32>(0.84,  0.7),
+        vec2<f32>(0.85,  0.7),
+        vec2<f32>(0.86,  0.7),
+        vec2<f32>(0.87,  0.7),
+        vec2<f32>(0.5,   0.72),
+        vec2<f32>(0.51,  0.72),
+        vec2<f32>(0.52,  0.72),
+        vec2<f32>(0.53,  0.72),
+        vec2<f32>(0.54,  0.72),
+        vec2<f32>(0.55,  0.72),
+        vec2<f32>(0.56,  0.72),
+        vec2<f32>(0.57,  0.72),
+        vec2<f32>(0.6,   0.74),
+        vec2<f32>(0.61,  0.74),
+        vec2<f32>(0.62,  0.74),
+        vec2<f32>(0.63,  0.74),
+        vec2<f32>(0.64,  0.74),
+        vec2<f32>(0.65,  0.74),
+        vec2<f32>(0.66,  0.74),
+        vec2<f32>(0.67,  0.74),
+        vec2<f32>(0.7,   0.76),
+        vec2<f32>(0.71,  0.76),
+        vec2<f32>(0.72,  0.76),
+        vec2<f32>(0.73,  0.76),
+        vec2<f32>(0.74,  0.76),
+        vec2<f32>(0.75,  0.76),
+        vec2<f32>(0.76,  0.76),
+        vec2<f32>(0.77,  0.76),
+        vec2<f32>(0.8,   0.78),
+        vec2<f32>(0.81,  0.78),
+        vec2<f32>(0.82,  0.78),
+        vec2<f32>(0.83,  0.78),
+        vec2<f32>(0.84,  0.78),
+        vec2<f32>(0.85,  0.78),
+        vec2<f32>(0.86,  0.78),
+        vec2<f32>(0.87,  0.78),
+    );
+    return vec4<f32>(pos[in_vertex_index], 0.0, 1.0);
 }
 
 @fragment