shader_material manual example #5925
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Vrixyz
commented
Sep 9, 2022
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| //! A shader and a material that uses it using Bevy's Material API via manual implementation | |||
| //! See shader_material example for a higher level implementation. | |||
| //! See shader_material_low_level example for a lower level implementation. | |||
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Not yet implemented, should be removed from this PR
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| use bevy_internal::render::render_resource::{ | ||
| BindGroupLayoutDescriptor, BindGroupLayoutEntry, BindingType, BufferBindingType, | ||
| SamplerBindingType, ShaderStages, ShaderType, TextureSampleType, TextureViewDimension, | ||
| }; |
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probably from cargo-expand, they are probably exposed in render ?
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| // Step 1: retrieve information from our extracted type. | ||
| let color_texture = { | ||
| let color_texture_handle: Option<&Handle<Image>> = (&self.color_texture).into(); | ||
| if let Some(handle) = color_texture_handle { | ||
| images | ||
| .get(handle) | ||
| .ok_or(AsBindGroupError::RetryNextUpdate)? | ||
| } else { | ||
| fallback_image | ||
| } | ||
| }; |
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to note: this logic was duplicated with cargo-expand, to get :
- the sampler
- the texture
I refactored a bit to make only one call to retrieve the image and have 1 failure path.
alice-i-cecile
added
A-Rendering
IceSentry
reviewed
Sep 9, 2022
IceSentry
reviewed
Sep 9, 2022
IceSentry
reviewed
Sep 9, 2022
|
I added a couple of suggestions, mostly to provide a bit more details. Feel free to use them as is or change them. |
Co-authored-by: Charles <[email protected]>
Vrixyz
commented
Sep 16, 2022
|
I'm closing this because the example was completely reworked with #8376 |
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Objective
Part of #5843.
Solution
I'll try to do a follow up PR with a different example using lower level API: