Add feature to control 16 byte alignment of uniforms.
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@ -26,7 +26,8 @@ bevy = { version = "0.8", default-features = false, features = [
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] }
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[features]
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default = ["bevy_ui"]
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default = ["align16", "bevy_ui"]
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align16 = []
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bevy_ui = ["bevy/bevy_ui", "bevy/bevy_sprite", "bevy/bevy_text"]
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[[example]]
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@ -6,17 +6,23 @@ struct VertexInput {
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};
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struct OutlineViewUniform {
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#ifdef ALIGN_16
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@align(16)
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#endif
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scale: vec2<f32>,
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};
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struct OutlineVertexUniform {
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#ifdef ALIGN_16
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@align(16)
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#endif
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width: f32,
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};
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struct OutlineFragmentUniform {
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#ifdef ALIGN_16
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@align(16)
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#endif
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colour: vec4<f32>,
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};
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@ -146,17 +146,22 @@ impl SpecializedMeshPipeline for OutlinePipeline {
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);
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}
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}
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let shader_defs = if cfg!(feature = "align16") {
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vec!["ALIGN_16".to_string()]
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} else {
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vec![]
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};
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let buffers = vec![mesh_layout.get_layout(&buffer_attrs)?];
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Ok(RenderPipelineDescriptor {
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vertex: VertexState {
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shader: shader.clone().typed::<Shader>(),
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entry_point: "vertex".into(),
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shader_defs: vec![],
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shader_defs: shader_defs.clone(),
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buffers,
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},
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fragment: Some(FragmentState {
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shader: shader.typed::<Shader>(),
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shader_defs: vec![],
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shader_defs,
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entry_point: "fragment".into(),
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targets,
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}),
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@ -17,7 +17,7 @@ use crate::{pipeline::OutlinePipeline, Outline};
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#[derive(Clone, Component, ShaderType)]
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pub struct OutlineVertexUniform {
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#[align(16)]
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#[cfg_attr(feature = "align16", align(16))]
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pub width: f32,
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}
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@ -15,7 +15,7 @@ use crate::pipeline::OutlinePipeline;
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#[derive(Clone, Component, ShaderType)]
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pub struct OutlineViewUniform {
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#[align(16)]
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#[cfg_attr(feature = "align16", align(16))]
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scale: Vec2,
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}
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