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charlotte 🌸
e6ec2c181d
Use a shader def for the material bind group index to make it easier for when we want to switch back to group 2 in the future without breaking everyone again. --------- Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com> Co-authored-by: atlv <email@atlasdostal.com> Co-authored-by: atlas dostal <rodol@rivalrebels.com>
47 lines
1.6 KiB
WebGPU Shading Language
47 lines
1.6 KiB
WebGPU Shading Language
#import bevy_pbr::forward_io::VertexOutput
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#import bevy_pbr::mesh_bindings::mesh
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#import bevy_render::bindless::{bindless_samplers_filtering, bindless_textures_2d}
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struct Color {
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base_color: vec4<f32>,
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}
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// This structure is a mapping from bindless index to the index in the
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// appropriate slab
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struct MaterialBindings {
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material: u32, // 0
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color_texture: u32, // 1
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color_texture_sampler: u32, // 2
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}
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#ifdef BINDLESS
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@group(#{MATERIAL_BIND_GROUP}) @binding(0) var<storage> materials: array<MaterialBindings>;
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@group(#{MATERIAL_BIND_GROUP}) @binding(10) var<storage> material_color: binding_array<Color>;
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#else // BINDLESS
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@group(#{MATERIAL_BIND_GROUP}) @binding(0) var<uniform> material_color: Color;
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@group(#{MATERIAL_BIND_GROUP}) @binding(1) var material_color_texture: texture_2d<f32>;
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@group(#{MATERIAL_BIND_GROUP}) @binding(2) var material_color_sampler: sampler;
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#endif // BINDLESS
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@fragment
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fn fragment(in: VertexOutput) -> @location(0) vec4<f32> {
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#ifdef BINDLESS
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let slot = mesh[in.instance_index].material_and_lightmap_bind_group_slot & 0xffffu;
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let base_color = material_color[materials[slot].material].base_color;
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#else // BINDLESS
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let base_color = material_color.base_color;
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#endif // BINDLESS
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return base_color * textureSampleLevel(
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#ifdef BINDLESS
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bindless_textures_2d[materials[slot].color_texture],
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bindless_samplers_filtering[materials[slot].color_texture_sampler],
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#else // BINDLESS
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material_color_texture,
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material_color_sampler,
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#endif // BINDLESS
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in.uv,
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0.0
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);
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}
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