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sotrh 1 year ago
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commit 86635bd58a

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@ -150,7 +150,7 @@ I won't get into the specifics of wasm-bindgen, so if you need a primer (or just
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</code></pre></div></div> <p>Press the button below and you will see the code running!</p> <div id="wasm-example"><!----> <button>Try Tutorial1_window!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial1-window/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -159,6 +159,6 @@ I won't get into the specifics of wasm-bindgen, so if you need a primer (or just
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@ -318,7 +318,7 @@ event_loop<span class="token punctuation">.</span><span class="token function">r
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</code></pre></div><p>The <code>RenderPassColorAttachment</code> has the <code>view</code> field which informs <code>wgpu</code> what texture to save the colors to. In this case we specify the <code>view</code> that we created using <code>surface.get_current_texture()</code>. This means that any colors we draw to this attachment will get drawn to the screen.</p> <p>The <code>resolve_target</code> is the texture that will receive the resolved output. This will be the same as <code>view</code> unless multisampling is enabled. We don't need to specify this, so we leave it as <code>None</code>.</p> <p>The <code>ops</code> field takes a <code>wpgu::Operations</code> object. This tells wgpu what to do with the colors on the screen (specified by <code>view</code>). The <code>load</code> field tells wgpu how to handle colors stored from the previous frame. Currently, we are clearing the screen with a bluish color. The <code>store</code> field tells wgpu whether we want to store the rendered results to the <code>Texture</code> behind our <code>TextureView</code> (in this case it's the <code>SurfaceTexture</code>). We use <code>true</code> as we do want to store our render results.</p> <div class="note"><p>It's not uncommon to not clear the screen if the screen is going to be completely covered up with objects. If your scene doesn't cover the entire screen however you can end up with something like this.</p> <p><img src="/learn-wgpu/assets/img/no-clear.753f913f.png" alt="./no-clear.png"></p></div> <h2 id="validation-errors"><a href="#validation-errors" class="header-anchor">#</a> Validation Errors?</h2> <p>If wgpu is using Vulkan on your machine, you may run into validation errors if you are running an older version of the Vulkan SDK. You should be using at least version <code>1.2.182</code> as older versions can give out some false positives. If errors persist, you may have encountered a bug in wgpu. You can post an issue at <a href="https://github.com/gfx-rs/wgpu" target="_blank" rel="noopener noreferrer">https://github.com/gfx-rs/wgpu<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Modify the <code>input()</code> method to capture mouse events, and update the clear color using that. <em>Hint: you'll probably need to use <code>WindowEvent::CursorMoved</code></em>.</p> <div id="wasm-example"><!----> <button>Try Tutorial2_surface!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial2-surface/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>The <code>RenderPassColorAttachment</code> has the <code>view</code> field which informs <code>wgpu</code> what texture to save the colors to. In this case we specify the <code>view</code> that we created using <code>surface.get_current_texture()</code>. This means that any colors we draw to this attachment will get drawn to the screen.</p> <p>The <code>resolve_target</code> is the texture that will receive the resolved output. This will be the same as <code>view</code> unless multisampling is enabled. We don't need to specify this, so we leave it as <code>None</code>.</p> <p>The <code>ops</code> field takes a <code>wpgu::Operations</code> object. This tells wgpu what to do with the colors on the screen (specified by <code>view</code>). The <code>load</code> field tells wgpu how to handle colors stored from the previous frame. Currently, we are clearing the screen with a bluish color. The <code>store</code> field tells wgpu whether we want to store the rendered results to the <code>Texture</code> behind our <code>TextureView</code> (in this case it's the <code>SurfaceTexture</code>). We use <code>true</code> as we do want to store our render results.</p> <div class="note"><p>It's not uncommon to not clear the screen if the screen is going to be completely covered up with objects. If your scene doesn't cover the entire screen however you can end up with something like this.</p> <p><img src="/learn-wgpu/assets/img/no-clear.753f913f.png" alt="./no-clear.png"></p></div> <h2 id="validation-errors"><a href="#validation-errors" class="header-anchor">#</a> Validation Errors?</h2> <p>If wgpu is using Vulkan on your machine, you may run into validation errors if you are running an older version of the Vulkan SDK. You should be using at least version <code>1.2.182</code> as older versions can give out some false positives. If errors persist, you may have encountered a bug in wgpu. You can post an issue at <a href="https://github.com/gfx-rs/wgpu" target="_blank" rel="noopener noreferrer">https://github.com/gfx-rs/wgpu<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Modify the <code>input()</code> method to capture mouse events, and update the clear color using that. <em>Hint: you'll probably need to use <code>WindowEvent::CursorMoved</code></em>.</p> <div id="wasm-example"><!----> <button>Try Tutorial2_surface!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial2-surface/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -415,7 +415,7 @@ fn fs_main(in: VertexOutput) -&gt; @location(0) vec4&lt;f32&gt; {
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre></div><p>Phew!</p> <p>With these changes in place, the code should be working the same as it was before, but we now have a much easier way to create textures.</p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Create another texture and swap it out when you press the space key.</p> <div id="wasm-example"><!----> <button>Try Tutorial5_textures!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial5-textures/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>Phew!</p> <p>With these changes in place, the code should be working the same as it was before, but we now have a much easier way to create textures.</p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Create another texture and swap it out when you press the space key.</p> <div id="wasm-example"><!----> <button>Try Tutorial5_textures!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial5-textures/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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Buffers and Indices
@ -424,6 +424,6 @@ fn fs_main(in: VertexOutput) -&gt; @location(0) vec4&lt;f32&gt; {
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<body>
@ -319,7 +319,7 @@ fn vs_main(
<span class="token keyword">self</span><span class="token punctuation">.</span>camera_uniform<span class="token punctuation">.</span><span class="token function">update_view_proj</span><span class="token punctuation">(</span><span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>camera<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">self</span><span class="token punctuation">.</span>queue<span class="token punctuation">.</span><span class="token function">write_buffer</span><span class="token punctuation">(</span><span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>camera_buffer<span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token namespace">bytemuck<span class="token punctuation">::</span></span><span class="token function">cast_slice</span><span class="token punctuation">(</span><span class="token operator">&amp;</span><span class="token punctuation">[</span><span class="token keyword">self</span><span class="token punctuation">.</span>camera_uniform<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre></div><p>That's all we need to do. If you run the code now you should see a pentagon with our tree texture that you can rotate around and zoom into with the wasd/arrow keys.</p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Have our model rotate on its own independently of the camera. <em>Hint: you'll need another matrix for this.</em></p> <div id="wasm-example"><!----> <button>Try Tutorial6_uniforms!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial6-uniforms/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>That's all we need to do. If you run the code now you should see a pentagon with our tree texture that you can rotate around and zoom into with the wasd/arrow keys.</p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Have our model rotate on its own independently of the camera. <em>Hint: you'll need another matrix for this.</em></p> <div id="wasm-example"><!----> <button>Try Tutorial6_uniforms!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial6-uniforms/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/beginner/tutorial5-textures/" class="prev">
Textures and bind groups
@ -328,6 +328,6 @@ fn vs_main(
</a>
</span></p></div> </main></div></div><div class="global-ui"><!----></div></div>
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@ -7,7 +7,7 @@
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@ -19,7 +19,7 @@
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@ -183,7 +183,7 @@ fn vs_main(
out.clip_position = camera.view_proj * model_matrix * vec4&lt;f32&gt;(model.position, 1.0);
return out;
}
</code></pre></div><p>With all that done, we should have a forest of trees!</p> <p><img src="/learn-wgpu/assets/img/forest.5c5cf3ad.png" alt="./forest.png"></p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Modify the position and/or rotation of the instances every frame.</p> <div id="wasm-example"><!----> <button>Try Tutorial7_instancing!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial7-instancing/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>With all that done, we should have a forest of trees!</p> <p><img src="/learn-wgpu/assets/img/forest.5c5cf3ad.png" alt="./forest.png"></p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Modify the position and/or rotation of the instances every frame.</p> <div id="wasm-example"><!----> <button>Try Tutorial7_instancing!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial7-instancing/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/beginner/tutorial6-uniforms/" class="prev">
Uniform buffers and a 3d camera
@ -192,6 +192,6 @@ fn vs_main(
</a>
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stencil_ops<span class="token punctuation">:</span> <span class="token class-name">None</span><span class="token punctuation">,</span>
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</code></pre></div><p>And that's all we have to do! No shader code needed! If you run the application, the depth issues will be fixed.</p> <p><img src="/learn-wgpu/assets/img/forest_fixed.a77f70f6.png" alt="forest_fixed.png"></p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Since the depth buffer is a texture, we can sample it in the shader. Because it's a depth texture, we'll have to use the <code>sampler_comparison</code> uniform type and the <code>textureSampleCompare</code> function instead of <code>sampler</code>, and <code>sampler2D</code> respectively. Create a bind group for the depth texture (or reuse an existing one), and render it to the screen.</p> <div id="wasm-example"><!----> <button>Try Tutorial8_depth!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial8-depth/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>And that's all we have to do! No shader code needed! If you run the application, the depth issues will be fixed.</p> <p><img src="/learn-wgpu/assets/img/forest_fixed.a77f70f6.png" alt="forest_fixed.png"></p> <h2 id="challenge"><a href="#challenge" class="header-anchor">#</a> Challenge</h2> <p>Since the depth buffer is a texture, we can sample it in the shader. Because it's a depth texture, we'll have to use the <code>sampler_comparison</code> uniform type and the <code>textureSampleCompare</code> function instead of <code>sampler</code>, and <code>sampler2D</code> respectively. Create a bind group for the depth texture (or reuse an existing one), and render it to the screen.</p> <div id="wasm-example"><!----> <button>Try Tutorial8_depth!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial8-depth/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -422,7 +422,7 @@ render_pass<span class="token punctuation">.</span><span class="token function">
</code></pre></div><p>The code in <code>lib.rs</code> will change accordingly.</p> <div class="language-rust extra-class"><pre class="language-rust"><code>render_pass<span class="token punctuation">.</span><span class="token function">set_vertex_buffer</span><span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token keyword">self</span><span class="token punctuation">.</span>instance_buffer<span class="token punctuation">.</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token punctuation">..</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
render_pass<span class="token punctuation">.</span><span class="token function">set_pipeline</span><span class="token punctuation">(</span><span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>render_pipeline<span class="token punctuation">)</span><span class="token punctuation">;</span>
render_pass<span class="token punctuation">.</span><span class="token function">draw_model_instanced</span><span class="token punctuation">(</span><span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>obj_model<span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">..</span><span class="token keyword">self</span><span class="token punctuation">.</span>instances<span class="token punctuation">.</span><span class="token function">len</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">as</span> <span class="token keyword">u32</span><span class="token punctuation">,</span> <span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>camera_bind_group<span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><div id="wasm-example"><!----> <button>Try Tutorial9_models!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial9-models/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><div id="wasm-example"><!----> <button>Try Tutorial9_models!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/beginner/tutorial9-models/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -431,6 +431,6 @@ render_pass<span class="token punctuation">.</span><span class="token function">
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@ -640,7 +640,7 @@ let specular_color = specular_strength * light.color;
let half_dir = normalize(view_dir + light_dir);
let specular_strength = pow(max(dot(in.world_normal, half_dir), 0.0), 32.0);
</code></pre></div><p>It's hard to tell the difference, but here are the results.</p> <p><img src="/learn-wgpu/assets/img/half_dir.bbcc23b8.png" alt="./half_dir.png"></p> <div id="wasm-example"><!----> <button>Try Tutorial10_lighting!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial10-lighting/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>It's hard to tell the difference, but here are the results.</p> <p><img src="/learn-wgpu/assets/img/half_dir.bbcc23b8.png" alt="./half_dir.png"></p> <div id="wasm-example"><!----> <button>Try Tutorial10_lighting!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial10-lighting/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -649,6 +649,6 @@ let specular_strength = pow(max(dot(in.world_normal, half_dir), 0.0), 32.0);
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@ -486,7 +486,7 @@ render_pass<span class="token punctuation">.</span><span class="token function">
<span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>camera_bind_group<span class="token punctuation">,</span>
<span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>light_bind_group<span class="token punctuation">,</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>That gives us something like this.</p> <p><img src="/learn-wgpu/assets/img/debug_material.b374492b.png" alt=""></p> <p>You can find the textures I use in the Github Repository.</p> <div id="wasm-example"><!----> <button>Try Tutorial11_normals!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial11-normals/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>That gives us something like this.</p> <p><img src="/learn-wgpu/assets/img/debug_material.b374492b.png" alt=""></p> <p>You can find the textures I use in the Github Repository.</p> <div id="wasm-example"><!----> <button>Try Tutorial11_normals!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial11-normals/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -495,6 +495,6 @@ render_pass<span class="token punctuation">.</span><span class="token function">
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@ -381,7 +381,7 @@
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre></div><p>With that, we should be able to move our camera wherever we want.</p> <p><img src="/learn-wgpu/assets/img/screenshot.4f5740bc.png" alt="./screenshot.png"></p> <div id="wasm-example"><!----> <button>Try Tutorial12_camera!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial12-camera/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>With that, we should be able to move our camera wherever we want.</p> <p><img src="/learn-wgpu/assets/img/screenshot.4f5740bc.png" alt="./screenshot.png"></p> <div id="wasm-example"><!----> <button>Try Tutorial12_camera!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial12-camera/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -134,7 +134,7 @@ fn gen_terrain(
gen_terrain(global_invocation_id)
</code></pre></div><p>If you want learn more about workgroups <a href="https://www.w3.org/TR/WGSL/#compute-shader-workgroups" target="_blank" rel="noopener noreferrer">check out the docs<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</p></div> <p>TODO:</p> <ul><li>Note changes to <code>create_render_pipeline</code></li> <li>Mention <code>swizzle</code> feature for cgmath</li> <li>Compare workgroups and workgroups sizes to nested for loops
<ul><li>Maybe make a diagram in blender?</li></ul></li> <li>Change to camera movement speed</li></ul></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
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<ul><li>Maybe make a diagram in blender?</li></ul></li> <li>Change to camera movement speed</li></ul></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="inner"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/learn-wgpu/" class="home-link router-link-active"><!----> <span class="site-name">Learn Wgpu</span></a> <div class="links"><!----> <div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div></div></div></header> <div class="sidebar-mask"></div> <div class="docs-layout"><aside class="sidebar"><!----> <ul class="sidebar-links"><li><a href="/learn-wgpu/" aria-current="page" class="sidebar-link">Introduction</a></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Beginner</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/beginner/tutorial1-window/" class="sidebar-link">Dependencies and the window</a></li><li><a href="/learn-wgpu/beginner/tutorial2-surface/" class="sidebar-link">The Surface</a></li><li><a href="/learn-wgpu/beginner/tutorial3-pipeline/" class="sidebar-link">The Pipeline</a></li><li><a href="/learn-wgpu/beginner/tutorial4-buffer/" class="sidebar-link">Buffers and Indices</a></li><li><a href="/learn-wgpu/beginner/tutorial5-textures/" class="sidebar-link">Textures and bind groups</a></li><li><a href="/learn-wgpu/beginner/tutorial6-uniforms/" class="sidebar-link">Uniform buffers and a 3d camera</a></li><li><a href="/learn-wgpu/beginner/tutorial7-instancing/" class="sidebar-link">Instancing</a></li><li><a href="/learn-wgpu/beginner/tutorial8-depth/" class="sidebar-link">The Depth Buffer</a></li><li><a href="/learn-wgpu/beginner/tutorial9-models/" class="sidebar-link">Model Loading</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Intermediate</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/intermediate/tutorial10-lighting/" class="sidebar-link">Working with Lights</a></li><li><a href="/learn-wgpu/intermediate/tutorial11-normals/" class="sidebar-link">Normal Mapping</a></li><li><a href="/learn-wgpu/intermediate/tutorial12-camera/" class="sidebar-link">A Better Camera</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Showcase</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>News</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/news/0.14/" class="sidebar-link">Update to 0.14!</a></li><li><a href="/learn-wgpu/news/0.13/" class="sidebar-link">Update to 0.13!</a></li><li><a href="/learn-wgpu/news/0.12/" aria-current="page" class="active sidebar-link">Update to 0.12!</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#multi-view-added" class="sidebar-link">Multi view added</a></li><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#no-more-block-attribute" class="sidebar-link">No more block attribute</a></li><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#more-validation" class="sidebar-link">More validation</a></li><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#misc" class="sidebar-link">Misc</a></li></ul></li><li><a href="/learn-wgpu/news/pre-0.12/" class="sidebar-link">News (Pre 0.12)</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="update-to-0-12"><a href="#update-to-0-12" class="header-anchor">#</a> Update to 0.12!</h1> <p>There are not a ton of changes in this release, so the migration
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="inner"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/learn-wgpu/" class="home-link router-link-active"><!----> <span class="site-name">Learn Wgpu</span></a> <div class="links"><!----> <div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div></div></div></header> <div class="sidebar-mask"></div> <div class="docs-layout"><aside class="sidebar"><!----> <ul class="sidebar-links"><li><a href="/learn-wgpu/" aria-current="page" class="sidebar-link">Introduction</a></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Beginner</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/beginner/tutorial1-window/" class="sidebar-link">Dependencies and the window</a></li><li><a href="/learn-wgpu/beginner/tutorial2-surface/" class="sidebar-link">The Surface</a></li><li><a href="/learn-wgpu/beginner/tutorial3-pipeline/" class="sidebar-link">The Pipeline</a></li><li><a href="/learn-wgpu/beginner/tutorial4-buffer/" class="sidebar-link">Buffers and Indices</a></li><li><a href="/learn-wgpu/beginner/tutorial5-textures/" class="sidebar-link">Textures and bind groups</a></li><li><a href="/learn-wgpu/beginner/tutorial6-uniforms/" class="sidebar-link">Uniform buffers and a 3d camera</a></li><li><a href="/learn-wgpu/beginner/tutorial7-instancing/" class="sidebar-link">Instancing</a></li><li><a href="/learn-wgpu/beginner/tutorial8-depth/" class="sidebar-link">The Depth Buffer</a></li><li><a href="/learn-wgpu/beginner/tutorial9-models/" class="sidebar-link">Model Loading</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Intermediate</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/intermediate/tutorial10-lighting/" class="sidebar-link">Working with Lights</a></li><li><a href="/learn-wgpu/intermediate/tutorial11-normals/" class="sidebar-link">Normal Mapping</a></li><li><a href="/learn-wgpu/intermediate/tutorial12-camera/" class="sidebar-link">A Better Camera</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Showcase</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>News</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/news/0.15/" class="sidebar-link">Update to 0.15!</a></li><li><a href="/learn-wgpu/news/0.14/" class="sidebar-link">Update to 0.14!</a></li><li><a href="/learn-wgpu/news/0.13/" class="sidebar-link">Update to 0.13!</a></li><li><a href="/learn-wgpu/news/0.12/" aria-current="page" class="active sidebar-link">Update to 0.12!</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#multi-view-added" class="sidebar-link">Multi view added</a></li><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#no-more-block-attribute" class="sidebar-link">No more block attribute</a></li><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#more-validation" class="sidebar-link">More validation</a></li><li class="sidebar-sub-header"><a href="/learn-wgpu/news/0.12/#misc" class="sidebar-link">Misc</a></li></ul></li><li><a href="/learn-wgpu/news/pre-0.12/" class="sidebar-link">News (Pre 0.12)</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="update-to-0-12"><a href="#update-to-0-12" class="header-anchor">#</a> Update to 0.12!</h1> <p>There are not a ton of changes in this release, so the migration
wasn't too painful.</p> <h2 id="multi-view-added"><a href="#multi-view-added" class="header-anchor">#</a> Multi view added</h2> <p>The <code>RenderPipelineDescriptor</code> now includes a <code>multiview</code> field that
indicates the number of array textures if array textures are used
as render attachments.</p> <h2 id="no-more-block-attribute"><a href="#no-more-block-attribute" class="header-anchor">#</a> No more block attribute</h2> <p>The WGSL spec has changed and the <code>block</code> attribute is no longer a thing.
@ -61,7 +61,7 @@ I needed to do was add a padding field:</p> <div class="language-rust extra-clas
breaks glob imports (aka. <code>use anyhow::*</code>), I had to switch qualified
imports and uses (ie. <code>anyhow::Result</code>). This was mostly an issue on my
build scripts for some of the showcase examples.</p> <p>The main tutorial examples weren't affected, and the changes are minor, so
if you're curious feel free to look at the repo.</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
if you're curious feel free to look at the repo.</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="inner"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/learn-wgpu/" class="home-link router-link-active"><!----> <span class="site-name">Learn Wgpu</span></a> <div class="links"><!----> <div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div></div></div></header> <div class="sidebar-mask"></div> <div class="docs-layout"><aside class="sidebar"><!----> <ul class="sidebar-links"><li><a href="/learn-wgpu/" aria-current="page" class="sidebar-link">Introduction</a></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Beginner</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/beginner/tutorial1-window/" class="sidebar-link">Dependencies and the window</a></li><li><a href="/learn-wgpu/beginner/tutorial2-surface/" class="sidebar-link">The Surface</a></li><li><a href="/learn-wgpu/beginner/tutorial3-pipeline/" class="sidebar-link">The Pipeline</a></li><li><a href="/learn-wgpu/beginner/tutorial4-buffer/" class="sidebar-link">Buffers and Indices</a></li><li><a href="/learn-wgpu/beginner/tutorial5-textures/" class="sidebar-link">Textures and bind groups</a></li><li><a href="/learn-wgpu/beginner/tutorial6-uniforms/" class="sidebar-link">Uniform buffers and a 3d camera</a></li><li><a href="/learn-wgpu/beginner/tutorial7-instancing/" class="sidebar-link">Instancing</a></li><li><a href="/learn-wgpu/beginner/tutorial8-depth/" class="sidebar-link">The Depth Buffer</a></li><li><a href="/learn-wgpu/beginner/tutorial9-models/" class="sidebar-link">Model Loading</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Intermediate</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/intermediate/tutorial10-lighting/" class="sidebar-link">Working with Lights</a></li><li><a href="/learn-wgpu/intermediate/tutorial11-normals/" class="sidebar-link">Normal Mapping</a></li><li><a href="/learn-wgpu/intermediate/tutorial12-camera/" class="sidebar-link">A Better Camera</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Showcase</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>News</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/news/0.15/" class="sidebar-link">Update to 0.15!</a></li><li><a href="/learn-wgpu/news/0.14/" class="sidebar-link">Update to 0.14!</a></li><li><a href="/learn-wgpu/news/0.13/" aria-current="page" class="active sidebar-link">Update to 0.13!</a></li><li><a href="/learn-wgpu/news/0.12/" class="sidebar-link">Update to 0.12!</a></li><li><a href="/learn-wgpu/news/pre-0.12/" class="sidebar-link">News (Pre 0.12)</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="update-to-0-13"><a href="#update-to-0-13" class="header-anchor">#</a> Update to 0.13!</h1> <p><a href="https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#wgpu-013-2022-06-30" target="_blank" rel="noopener noreferrer">WGPU Change Log<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <p>The change log above contains most of the details about what has changed about WGPU and therefore the tutorial. I will make a special mention about how to use <code>map_async()</code> as that has changed. Previously <code>map_async</code> returned a promise that you had to await before you could access a buffers contents. It now expects a <code>'static</code> callback that takes the <code>Result</code> of the mapping attempt as a parameter. This means that if we want to save a buffers context to an image instead of doing the following:</p> <div class="language-rust extra-class"><pre class="language-rust"><code>
<span class="token punctuation">{</span>
<span class="token keyword">let</span> buffer_slice <span class="token operator">=</span> output_buffer<span class="token punctuation">.</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token punctuation">..</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
@ -58,7 +58,7 @@ output_buffer<span class="token punctuation">.</span><span class="token function
<span class="token punctuation">}</span>
output_buffer<span class="token punctuation">.</span><span class="token function">unmap</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>You can explore the reasoning for the change to <code>map_async</code> in <a href="https://github.com/gfx-rs/wgpu/pull/2698" target="_blank" rel="noopener noreferrer">this PR<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</p> <p>Another thing to note is that presentation modes need to match what the surface supports. You can get a list of supported modes from <a href="https://docs.rs/wgpu/latest/wgpu/struct.Surface.html#method.get_supported_modes" target="_blank" rel="noopener noreferrer">Surface::get_surface_modes()<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</p> <p>As always, let me know if I missed anything in the migration process. You can open an issue/submit a PR on the <a href="https://github.com/sotrh/learn-wgpu" target="_blank" rel="noopener noreferrer">Learn Wgpu repo<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>!</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>You can explore the reasoning for the change to <code>map_async</code> in <a href="https://github.com/gfx-rs/wgpu/pull/2698" target="_blank" rel="noopener noreferrer">this PR<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</p> <p>Another thing to note is that presentation modes need to match what the surface supports. You can get a list of supported modes from <a href="https://docs.rs/wgpu/latest/wgpu/struct.Surface.html#method.get_supported_modes" target="_blank" rel="noopener noreferrer">Surface::get_surface_modes()<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</p> <p>As always, let me know if I missed anything in the migration process. You can open an issue/submit a PR on the <a href="https://github.com/sotrh/learn-wgpu" target="_blank" rel="noopener noreferrer">Learn Wgpu repo<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>!</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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usage<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">TextureUsages</span><span class="token punctuation">::</span><span class="token constant">RENDER_ATTACHMENT</span><span class="token punctuation">,</span>
format<span class="token punctuation">:</span> surface<span class="token punctuation">.</span><span class="token function">get_supported_formats</span><span class="token punctuation">(</span><span class="token operator">&amp;</span>adapter<span class="token punctuation">)</span><span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
width<span class="token punctuation">:</span> size<span class="token punctuation">.</span>width<span class="token punctuation">,</span>
@ -32,15 +32,15 @@
alpha_mode<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">CompositeAlphaMode</span><span class="token punctuation">::</span><span class="token class-name">Auto</span><span class="token punctuation">,</span> <span class="token comment">// NEW!</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
</code></pre></div><h2 id="winit-updated"><a href="#winit-updated" class="header-anchor">#</a> Winit updated</h2> <p>Winit has been updated to version &quot;0.27&quot; so if you build on linux you may need to update some of your packages:</p> <div class="language-bash extra-class"><pre class="language-bash"><code><span class="token function">sudo</span> <span class="token function">apt</span> <span class="token function">install</span> libfontconfig libfontconfig1-dev
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<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="inner"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/learn-wgpu/" class="home-link router-link-active"><!----> <span class="site-name">Learn Wgpu</span></a> <div class="links"><!----> <div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div></div></div></header> <div class="sidebar-mask"></div> <div class="docs-layout"><aside class="sidebar"><!----> <ul class="sidebar-links"><li><a href="/learn-wgpu/" aria-current="page" class="sidebar-link">Introduction</a></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Beginner</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/beginner/tutorial1-window/" class="sidebar-link">Dependencies and the window</a></li><li><a href="/learn-wgpu/beginner/tutorial2-surface/" class="sidebar-link">The Surface</a></li><li><a href="/learn-wgpu/beginner/tutorial3-pipeline/" class="sidebar-link">The Pipeline</a></li><li><a href="/learn-wgpu/beginner/tutorial4-buffer/" class="sidebar-link">Buffers and Indices</a></li><li><a href="/learn-wgpu/beginner/tutorial5-textures/" class="sidebar-link">Textures and bind groups</a></li><li><a href="/learn-wgpu/beginner/tutorial6-uniforms/" class="sidebar-link">Uniform buffers and a 3d camera</a></li><li><a href="/learn-wgpu/beginner/tutorial7-instancing/" class="sidebar-link">Instancing</a></li><li><a href="/learn-wgpu/beginner/tutorial8-depth/" class="sidebar-link">The Depth Buffer</a></li><li><a href="/learn-wgpu/beginner/tutorial9-models/" class="sidebar-link">Model Loading</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>Intermediate</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/intermediate/tutorial10-lighting/" class="sidebar-link">Working with Lights</a></li><li><a href="/learn-wgpu/intermediate/tutorial11-normals/" class="sidebar-link">Normal Mapping</a></li><li><a href="/learn-wgpu/intermediate/tutorial12-camera/" class="sidebar-link">A Better Camera</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Showcase</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>News</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/learn-wgpu/news/0.15/" aria-current="page" class="active sidebar-link">Update to 0.15!</a></li><li><a href="/learn-wgpu/news/0.14/" class="sidebar-link">Update to 0.14!</a></li><li><a href="/learn-wgpu/news/0.13/" class="sidebar-link">Update to 0.13!</a></li><li><a href="/learn-wgpu/news/0.12/" class="sidebar-link">Update to 0.12!</a></li><li><a href="/learn-wgpu/news/pre-0.12/" class="sidebar-link">News (Pre 0.12)</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="update-to-0-15"><a href="#update-to-0-15" class="header-anchor">#</a> Update to 0.15!</h1> <p>This is a pretty minor update for this tutorial, but there are a few things to consider.</p> <ol><li>A <code>view_formats</code> field was added to <code>TextureDescriptor</code> and <code>SurfaceDescriptor</code>. This allows you to specify different <code>TextureFormat</code>s that can be used when creating <code>TextureView</code>s. At time of writing this pretty much only allows you to switch between using SRGB and linear formats. For example:</li></ol> <div class="language-rust extra-class"><pre class="language-rust"><code><span class="token class-name">TextureDescriptor</span> <span class="token punctuation">{</span>
<span class="token comment">// other fields...</span>
format<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">TextureFormat</span><span class="token punctuation">::</span><span class="token class-name">Rgba8UnormSrgb</span><span class="token punctuation">,</span>
view_formats<span class="token punctuation">:</span> <span class="token operator">&amp;</span><span class="token punctuation">[</span><span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">TextureFormat</span><span class="token punctuation">::</span><span class="token class-name">Rgba8Unorm</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span>
</code></pre></div><p>The format used to create the <code>Texture</code> will always be supported, so you don't have to specify it.</p> <ol start="2"><li>The method of acquiring texture formats supported by the <code>Surface</code> has changed. Previously there was a <code>get_supported_formats()</code> that would return a <code>Vec&lt;TextureFormat&gt;</code>. Now <code>Surface</code> has a <code>get_capabilities()</code> method. This will return a <code>SurfaceCapabilities</code> object that will have the supported formats as well as some other fields that you can checkout <a href="https://docs.rs/wgpu/latest/wgpu/struct.SurfaceCapabilities.html" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>. I'm using it in the tutorial like this:</li></ol> <div class="language-rust extra-class"><pre class="language-rust"><code><span class="token keyword">let</span> surface_caps <span class="token operator">=</span> surface<span class="token punctuation">.</span><span class="token function">get_capabilities</span><span class="token punctuation">(</span><span class="token operator">&amp;</span>adapter<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// Shader code in this tutorial assumes an Srgb surface texture. Using a different</span>
<span class="token comment">// one will result all the colors comming out darker. If you want to support non</span>
<span class="token comment">// Srgb surfaces, you'll need to account for that when drawing to the frame.</span>
<span class="token keyword">let</span> surface_format <span class="token operator">=</span> surface_caps<span class="token punctuation">.</span>formats<span class="token punctuation">.</span><span class="token function">iter</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">.</span><span class="token function">copied</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">.</span><span class="token function">filter</span><span class="token punctuation">(</span><span class="token closure-params"><span class="token closure-punctuation punctuation">|</span>f<span class="token closure-punctuation punctuation">|</span></span> f<span class="token punctuation">.</span><span class="token function">describe</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span>srgb<span class="token punctuation">)</span>
<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token punctuation">.</span><span class="token function">unwrap_or</span><span class="token punctuation">(</span>surface_caps<span class="token punctuation">.</span>formats<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">let</span> config <span class="token operator">=</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">SurfaceConfiguration</span> <span class="token punctuation">{</span>
usage<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">TextureUsages</span><span class="token punctuation">::</span><span class="token constant">RENDER_ATTACHMENT</span><span class="token punctuation">,</span>
format<span class="token punctuation">:</span> surface_format<span class="token punctuation">,</span>
width<span class="token punctuation">:</span> size<span class="token punctuation">.</span>width<span class="token punctuation">,</span>
height<span class="token punctuation">:</span> size<span class="token punctuation">.</span>height<span class="token punctuation">,</span>
present_mode<span class="token punctuation">:</span> surface_caps<span class="token punctuation">.</span>present_modes<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
alpha_mode<span class="token punctuation">:</span> surface_caps<span class="token punctuation">.</span>alpha_modes<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
view_formats<span class="token punctuation">:</span> <span class="token macro property">vec!</span><span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
</code></pre></div><p>As always let me know if I missed anything. You can check out the full changelog for 0.15 <a href="https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#wgpu-0150-2023-01-25" target="_blank" rel="noopener noreferrer">here<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -48,15 +48,15 @@ AlignOf(S) = max(AlignOfMember(S, M1), ... , AlignOfMember(S, Mn))
|
= note: source type: `LightUniform` (256 bits)
= note: target type: `_::{closure#0}::TypeWithoutPadding` (192 bits)
</code></pre></div><h2 id="additional-resources"><a href="#additional-resources" class="header-anchor">#</a> Additional resources</h2> <p>If you're looking for more information check out the <a href="https://gist.github.com/teoxoy/936891c16c2a3d1c3c5e7204ac6cd76c" target="_blank" rel="noopener noreferrer">write-up<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> by @teoxoy.</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><h2 id="additional-resources"><a href="#additional-resources" class="header-anchor">#</a> Additional resources</h2> <p>If you're looking for more information check out the <a href="https://gist.github.com/teoxoy/936891c16c2a3d1c3c5e7204ac6cd76c" target="_blank" rel="noopener noreferrer">write-up<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> by @teoxoy.</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -124,7 +124,7 @@
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
flat_triangle_map<span class="token punctuation">.</span><span class="token function">extend</span><span class="token punctuation">(</span>t_list<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre></div><p>I ultimately decided against this method as it was more complicated, and I haven't had time to benchmark it to see if it's faster than the simple method.</p> <h2 id="results"><a href="#results" class="header-anchor">#</a> Results</h2> <p>The tangents and bitangents are now getting calculated correctly and on the GPU!</p> <p><img src="/learn-wgpu/assets/img/results.7918efc1.png" alt="./results.png"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/compute/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>I ultimately decided against this method as it was more complicated, and I haven't had time to benchmark it to see if it's faster than the simple method.</p> <h2 id="results"><a href="#results" class="header-anchor">#</a> Results</h2> <p>The tangents and bitangents are now getting calculated correctly and on the GPU!</p> <p><img src="/learn-wgpu/assets/img/results.7918efc1.png" alt="./results.png"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/compute/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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Pong
@ -133,6 +133,6 @@
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@ -151,7 +151,7 @@
<span class="token punctuation">}</span>
</code></pre></div><p>Once that's done we can pass our frames into <code>save_gif()</code>.</p> <div class="language-rust extra-class"><pre class="language-rust"><code><span class="token function">save_gif</span><span class="token punctuation">(</span><span class="token string">&quot;output.gif&quot;</span><span class="token punctuation">,</span> <span class="token operator">&amp;</span><span class="token keyword">mut</span> frames<span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">,</span> texture_size <span class="token keyword">as</span> <span class="token keyword">u16</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">unwrap</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>That's the gist of it. We can improve things using a texture array, and sending the draw commands all at once, but this gets the idea across. With the shader I wrote we get the following GIF.</p> <p><img src="/learn-wgpu/assets/img/output.5ed23d6e.gif" alt="./output.gif"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/gifs/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>That's the gist of it. We can improve things using a texture array, and sending the draw commands all at once, but this gets the idea across. With the shader I wrote we get the following GIF.</p> <p><img src="/learn-wgpu/assets/img/output.5ed23d6e.gif" alt="./output.gif"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/gifs/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -117,7 +117,7 @@ imgui<span class="token punctuation">.</span><span class="token function">fonts<
<span class="token function">drop</span><span class="token punctuation">(</span>pass<span class="token punctuation">)</span><span class="token punctuation">;</span>
display<span class="token punctuation">.</span>queue<span class="token punctuation">.</span><span class="token function">submit</span><span class="token punctuation">(</span><span class="token class-name">Some</span><span class="token punctuation">(</span>encoder<span class="token punctuation">.</span><span class="token function">finish</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>That's all there is to it. Here's a picture of the results!</p> <p><img src="/learn-wgpu/assets/img/screenshot.1f9dab62.png" alt="./screenshot.png"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/imgui-demo/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
<script src="/learn-wgpu/assets/js/app.cab34c5a.js" defer></script><script src="/learn-wgpu/assets/js/14.ae52f492.js" defer></script><script src="/learn-wgpu/assets/js/34.8e3a54f7.js" defer></script><script src="/learn-wgpu/assets/js/24.deb3c0a2.js" defer></script>
</code></pre></div><p>That's all there is to it. Here's a picture of the results!</p> <p><img src="/learn-wgpu/assets/img/screenshot.1f9dab62.png" alt="./screenshot.png"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/imgui-demo/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
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@ -293,7 +293,7 @@ naga = { version = &quot;0.9&quot;, features = [&quot;glsl-in&quot;, &quot;spv-o
<span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">.</span><span class="token function">expect</span><span class="token punctuation">(</span><span class="token string">&quot;Couldn't append canvas to document body.&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre></div><p>Everything else works the same.</p> <h2 id="summary"><a href="#summary" class="header-anchor">#</a> Summary</h2> <p>A fun project to work on. It was overly architected, and kinda hard to make changes, but a good experience nonetheless.</p> <p>Try the code down below! (Controls currently require a keyboard.)</p> <div id="wasm-example"><!----> <button>Try Pong!</button></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>Everything else works the same.</p> <h2 id="summary"><a href="#summary" class="header-anchor">#</a> Summary</h2> <p>A fun project to work on. It was overly architected, and kinda hard to make changes, but a good experience nonetheless.</p> <p>Try the code down below! (Controls currently require a keyboard.)</p> <div id="wasm-example"><!----> <button>Try Pong!</button></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/showcase/gifs/" class="prev">
Creating gifs
@ -302,6 +302,6 @@ naga = { version = &quot;0.9&quot;, features = [&quot;glsl-in&quot;, &quot;spv-o
</a>
</span></p></div> </main></div></div><div class="global-ui"><!----></div></div>
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@ -7,7 +7,7 @@
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@ -113,7 +113,7 @@
<span class="token punctuation">}</span>
</code></pre></div><p>We've parallelized loading the meshes, and making the vertex array for them. Probably a bit overkill, but <code>rayon</code> should prevent us from using too many threads.</p> <div class="note"><p>You'll notice that we didn't use <code>rayon</code> for calculating the tangent, and bitangent. I tried to get it to work, but I was having trouble finding a way to do it without multiple mutable references to <code>vertices</code>. I don't feel like introducing a <code>std::sync::Mutex</code>, so I'll leave it for now.</p> <p>This is honestly a better job for a compute shader, as the model data is going to get loaded into a buffer anyway.</p></div> <h2 id="it-s-that-easy"><a href="#it-s-that-easy" class="header-anchor">#</a> It's that easy!</h2> <p>Most of the <code>wgpu</code> types are <code>Send + Sync</code>, so we can use them in threads without much trouble. It was so easy, that I feel like this tutorial is too short! I'll just leave off with a speed comparison between the previous model loading code and the current code.</p> <div class="language- extra-class"><pre class="language-text"><code>Elapsed (Original): 309.596382ms
Elapsed (Threaded): 199.645027ms
</code></pre></div><p>We're not loading that many resources, so the speedup is minimal. We'll be doing more stuff with threading, but this is a good introduction.</p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/threading/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
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</code></pre></div><p>We're not loading that many resources, so the speedup is minimal. We'll be doing more stuff with threading, but this is a good introduction.</p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/threading/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
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@ -240,7 +240,7 @@ output_buffer<span class="token punctuation">.</span><span class="token function
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<span class="token punctuation">}</span>
</code></pre></div><p>With all that you should have an image like this.</p> <p><img src="data:image/png;base64,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" alt="a brown triangle"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/windowless/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/2/2023, 5:52:36 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</code></pre></div><p>With all that you should have an image like this.</p> <p><img src="data:image/png;base64,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" alt="a brown triangle"></p> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/showcase/windowless/" target="_blank" rel="noopener noreferrer">Check out the code!</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated: </span> <span class="time">2/5/2023, 12:56:39 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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