Deploying to gh-pages from @ sotrh/learn-wgpu@ff5d4e11a7 🚀

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sotrh 6 months ago
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</head>
<body>
@ -16,7 +16,7 @@
<span class="token key property">winit</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.28&quot;</span>
<span class="token key property">env_logger</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.10&quot;</span>
<span class="token key property">log</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.4&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.17&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.18&quot;</span>
</code></pre></div><h2 id="using-rust-s-new-resolver"><a href="#using-rust-s-new-resolver" class="header-anchor">#</a> Using Rust's new resolver</h2> <p>As of version 0.10, wgpu requires cargo's <a href="https://doc.rust-lang.org/cargo/reference/resolver.html#feature-resolver-version-2" target="_blank" rel="noopener noreferrer">newest feature resolver<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>, which is the default in the 2021 edition (any new project started with Rust version 1.56.0 or newer). However, if you are still using the 2018 edition, you must include <code>resolver = &quot;2&quot;</code> in either the <code>[package]</code> section of <code>Cargo.toml</code> if you are working on a single crate, or the <code>[workspace]</code> section of the root <code>Cargo.toml</code> in a workspace.</p> <h2 id="env-logger"><a href="#env-logger" class="header-anchor">#</a> env_logger</h2> <p>It is very important to enable logging via <code>env_logger::init();</code>.
When wgpu hits any error it panics with a generic message, while logging the real error via the log crate.
This means if you don't include <code>env_logger::init()</code>, wgpu will fail silently, leaving you very confused!<br>
@ -67,7 +67,7 @@ This means if you don't include <code>env_logger::init()</code>, wgpu will fail
<span class="token punctuation">[</span><span class="token table class-name">target.'cfg(target_arch = &quot;wasm32&quot;)'.dependencies</span><span class="token punctuation">]</span>
<span class="token key property">console_error_panic_hook</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.1.6&quot;</span>
<span class="token key property">console_log</span> <span class="token punctuation">=</span> <span class="token string">&quot;1.0&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.17&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span><span class="token string">&quot;webgl&quot;</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.18&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span><span class="token string">&quot;webgl&quot;</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
<span class="token key property">wasm-bindgen</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.2&quot;</span>
<span class="token key property">wasm-bindgen-futures</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.4.30&quot;</span>
<span class="token key property">web-sys</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.3&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span>
@ -139,7 +139,7 @@ I won't get into the specifics of wasm-bindgen, so if you need a primer (or just
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">&gt;</span></span>
</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">11/5/2023, 5:12:15 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/" class="prev router-link-active">
Introduction
@ -148,6 +148,6 @@ I won't get into the specifics of wasm-bindgen, so if you need a primer (or just
</a>
</span></p></div> </main></div></div><div class="global-ui"><!----></div></div>
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@ -8,7 +8,7 @@
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</head>
<body>
@ -62,7 +62,7 @@
<span class="token comment">// Backends::all =&gt; Vulkan + Metal + DX12 + Browser WebGPU</span>
<span class="token keyword">let</span> instance <span class="token operator">=</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">Instance</span><span class="token punctuation">::</span><span class="token function">new</span><span class="token punctuation">(</span><span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">InstanceDescriptor</span> <span class="token punctuation">{</span>
backends<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">Backends</span><span class="token punctuation">::</span><span class="token function">all</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
dx12_shader_compiler<span class="token punctuation">:</span> <span class="token class-name">Default</span><span class="token punctuation">::</span><span class="token function">default</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token punctuation">..</span><span class="token class-name">Default</span><span class="token punctuation">::</span><span class="token function">default</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>
<span class="token comment">// # Safety</span>
@ -152,13 +152,13 @@ Make sure that the width and height of the `SurfaceTexture` are not 0, as that c
<span class="token key property">winit</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.28&quot;</span>
<span class="token key property">env_logger</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.10&quot;</span>
<span class="token key property">log</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.4&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.17&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.18&quot;</span>
<span class="token key property">pollster</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.3&quot;</span>
<span class="token punctuation">[</span><span class="token table class-name">target.'cfg(target_arch = &quot;wasm32&quot;)'.dependencies</span><span class="token punctuation">]</span>
<span class="token key property">console_error_panic_hook</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.1.6&quot;</span>
<span class="token key property">console_log</span> <span class="token punctuation">=</span> <span class="token string">&quot;1.0&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.17&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span><span class="token string">&quot;webgl&quot;</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.18&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span><span class="token string">&quot;webgl&quot;</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
<span class="token key property">wasm-bindgen</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.2&quot;</span>
<span class="token key property">wasm-bindgen-futures</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.4&quot;</span>
<span class="token key property">web-sys</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.3&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span>
@ -251,7 +251,7 @@ event_loop<span class="token punctuation">.</span><span class="token function">r
b<span class="token punctuation">:</span> <span class="token number">0.3</span><span class="token punctuation">,</span>
a<span class="token punctuation">:</span> <span class="token number">1.0</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">StoreOp</span><span class="token punctuation">::</span><span class="token class-name">Store</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><span class="token punctuation">]</span><span class="token punctuation">,</span>
depth_stencil_attachment<span class="token punctuation">:</span> <span class="token class-name">None</span><span class="token punctuation">,</span>
@ -305,10 +305,10 @@ event_loop<span class="token punctuation">.</span><span class="token function">r
b<span class="token punctuation">:</span> <span class="token number">0.3</span><span class="token punctuation">,</span>
a<span class="token punctuation">:</span> <span class="token number">1.0</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">StoreOp</span><span class="token punctuation">::</span><span class="token class-name">Store</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>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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -317,6 +317,6 @@ event_loop<span class="token punctuation">.</span><span class="token function">r
</a>
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@ -284,7 +284,7 @@ render_pass<span class="token punctuation">.</span><span class="token function">
<span class="token key property">env_logger</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.10&quot;</span>
<span class="token key property">log</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.4&quot;</span>
<span class="token key property">pollster</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.3&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.17&quot;</span>
<span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.18&quot;</span>
<span class="token key property">bytemuck</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;1.12&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span> <span class="token string">&quot;derive&quot;</span> <span class="token punctuation">]</span> <span class="token punctuation">}</span>
<span class="token key property">anyhow</span> <span class="token punctuation">=</span> <span class="token string">&quot;1.0&quot;</span> <span class="token comment"># NEW!</span>
</code></pre></div><p>Then, in a new file called <code>src/texture.rs</code>, add the following:</p> <div class="language-rust extra-class"><pre class="language-rust"><code><span class="token keyword">use</span> <span class="token namespace">image<span class="token punctuation">::</span></span><span class="token class-name">GenericImageView</span><span class="token punctuation">;</span>
@ -404,7 +404,7 @@ render_pass<span class="token punctuation">.</span><span class="token function">
<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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/beginner/tutorial4-buffer/" class="prev">
Buffers and Indices
@ -413,6 +413,6 @@ render_pass<span class="token punctuation">.</span><span class="token function">
</a>
</span></p></div> </main></div></div><div class="global-ui"><!----></div></div>
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</head>
<body>
@ -312,7 +312,7 @@ render_pass<span class="token punctuation">.</span><span class="token function">
<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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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Textures and bind groups
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@ -171,7 +171,7 @@ render_pass<span class="token punctuation">.</span><span class="token function">
out<span class="token punctuation">.</span>clip_position <span class="token operator">=</span> camera<span class="token punctuation">.</span>view_proj <span class="token operator">*</span> model_matrix <span class="token operator">*</span> <span class="token builtin">vec4</span><span class="token punctuation">&lt;</span><span class="token builtin">f32</span><span class="token punctuation">&gt;</span><span class="token punctuation">(</span>model<span class="token punctuation">.</span>position<span class="token punctuation">,</span> <span class="token decimal-float-literal number">1.0</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">return</span> out<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 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
@ -180,6 +180,6 @@ render_pass<span class="token punctuation">.</span><span class="token function">
</a>
</span></p></div> </main></div></div><div class="global-ui"><!----></div></div>
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@ -107,12 +107,12 @@
view<span class="token punctuation">:</span> <span class="token operator">&amp;</span><span class="token keyword">self</span><span class="token punctuation">.</span>depth_texture<span class="token punctuation">.</span>view<span class="token punctuation">,</span>
depth_ops<span class="token punctuation">:</span> <span class="token class-name">Some</span><span class="token punctuation">(</span><span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">Operations</span> <span class="token punctuation">{</span>
load<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">LoadOp</span><span class="token punctuation">::</span><span class="token class-name">Clear</span><span class="token punctuation">(</span><span class="token number">1.0</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">StoreOp</span><span class="token punctuation">::</span><span class="token class-name">Store</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
stencil_ops<span class="token punctuation">:</span> <span class="token class-name">None</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><span class="token punctuation">)</span><span class="token punctuation">;</span>
</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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/beginner/tutorial7-instancing/" class="prev">
Instancing
@ -121,6 +121,6 @@
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@ -411,7 +411,7 @@ 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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -420,6 +420,6 @@ render_pass<span class="token punctuation">.</span><span class="token function">
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@ -629,7 +629,7 @@ issues. You can learn more about the alignment rules in the <a href="https://www
<span class="token keyword">let</span> half_dir <span class="token operator">=</span> <span class="token builtin">normalize</span><span class="token punctuation">(</span>view_dir <span class="token operator">+</span> light_dir<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">let</span> specular_strength <span class="token operator">=</span> <span class="token builtin">pow</span><span class="token punctuation">(</span><span class="token builtin">max</span><span class="token punctuation">(</span><span class="token builtin">dot</span><span class="token punctuation">(</span>in<span class="token punctuation">.</span>world_normal<span class="token punctuation">,</span> half_dir<span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token decimal-float-literal number">0.0</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token decimal-float-literal number">32.0</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -638,6 +638,6 @@ issues. You can learn more about the alignment rules in the <a href="https://www
</a>
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@ -475,7 +475,7 @@ 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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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Working with Lights
@ -484,6 +484,6 @@ render_pass<span class="token punctuation">.</span><span class="token function">
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@ -370,7 +370,7 @@
<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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/learn-wgpu/intermediate/tutorial11-normals/" class="prev">
Normal Mapping
@ -379,6 +379,6 @@
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@ -185,7 +185,7 @@ effort: https://github.com/gfx-rs/wgpu/issues/2920</p></div> <p>Before we do tha
resolve_target<span class="token punctuation">:</span> <span class="token class-name">None</span><span class="token punctuation">,</span>
ops<span class="token punctuation">:</span> <span class="token class-name">Operations</span> <span class="token punctuation">{</span>
load<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">LoadOp</span><span class="token punctuation">::</span><span class="token class-name">Load</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">StoreOp</span><span class="token punctuation">::</span><span class="token class-name">Store</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><span class="token punctuation">]</span><span class="token punctuation">,</span>
depth_stencil_attachment<span class="token punctuation">:</span> <span class="token class-name">None</span><span class="token punctuation">,</span>
@ -326,7 +326,7 @@ texture instead of the surface texture:</p> <div class="language-rust extra-clas
b<span class="token punctuation">:</span> <span class="token number">0.3</span><span class="token punctuation">,</span>
a<span class="token punctuation">:</span> <span class="token number">1.0</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
store<span class="token punctuation">:</span> <span class="token namespace">wgpu<span class="token punctuation">::</span></span><span class="token class-name">StoreOp</span><span class="token punctuation">::</span><span class="token class-name">Store</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><span class="token punctuation">]</span><span class="token punctuation">,</span>
depth_stencil_attachment<span class="token punctuation">:</span> <span class="token class-name">Some</span><span class="token punctuation">(</span>
@ -458,7 +458,7 @@ reason for this is that WebGL2 doesn't support compute
shaders. WebGPU was built with compute shaders in mind. As
of writing the only browser that supports WebGPU is Chrome,
and some experimental browsers such as Firefox Nightly.</p> <p>Consequently we are going to remove the webgl feature from
<code>Cargo.toml</code>. This line in particular:</p> <div class="language-toml extra-class"><pre class="language-toml"><code><span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.17&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span><span class="token string">&quot;webgl&quot;</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
<code>Cargo.toml</code>. This line in particular:</p> <div class="language-toml extra-class"><pre class="language-toml"><code><span class="token key property">wgpu</span> <span class="token punctuation">=</span> <span class="token punctuation">{</span> <span class="token key property">version</span> <span class="token punctuation">=</span> <span class="token string">&quot;0.18&quot;</span><span class="token punctuation">,</span> <span class="token key property">features</span> <span class="token punctuation">=</span> <span class="token punctuation">[</span><span class="token string">&quot;webgl&quot;</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
</code></pre></div></div> <p>Now that we've told wgpu that we want to use compute
shaders, let's create a struct in <code>resource.rs</code> that we'll
use to load the HDR image into our cube map.</p> <div class="language-rust extra-class"><pre class="language-rust"><code><span class="token keyword">pub</span> <span class="token keyword">struct</span> <span class="token type-definition class-name">HdrLoader</span> <span class="token punctuation">{</span>
@ -1112,7 +1112,7 @@ This gives us a direction that we can use sample the
environment map to get the color of the sky in that
direction. Just looking at the reflection component
gives us the following:</p> <p><img src="/learn-wgpu/assets/img/just-reflections.e704b658.png" alt="just-reflections"></p> <p>Here's the finished scene:</p> <p><img src="/learn-wgpu/assets/img/with-reflections.6bbd4b38.png" alt="with-reflections"></p> <h2 id="demo"><a href="#demo" class="header-anchor">#</a> Demo</h2> <div class="warn"><p>If your browser doesn't support WebGPU, this example
won't work for you.</p></div> <div id="wasm-example"><!----> <button>Try Tutorial13_hdr!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial13-hdr/" 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">11/5/2023, 5:12:15 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
won't work for you.</p></div> <div id="wasm-example"><!----> <button>Try Tutorial13_hdr!</button></div> <div class="auto-github-link"><a href="https://github.com/sotrh/learn-wgpu/tree/master/code/intermediate/tutorial13-hdr/" 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">11/24/2023, 4:40:08 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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@ -1121,6 +1121,6 @@ won't work for you.</p></div> <div id="wasm-example"><!----> <button>Try Tutoria
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@ -123,7 +123,7 @@
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">11/5/2023, 5:12:15 AM</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">11/24/2023, 4:40:08 AM</span></div></footer> <!----> </main></div></div><div class="global-ui"><!----></div></div>
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