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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>
18 lines
672 B
WebGPU Shading Language
18 lines
672 B
WebGPU Shading Language
#import bevy_pbr::forward_io::VertexOutput
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@group(#{MATERIAL_BIND_GROUP}) @binding(0) var textures: binding_array<texture_2d<f32>>;
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@group(#{MATERIAL_BIND_GROUP}) @binding(1) var nearest_sampler: sampler;
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// We can also have array of samplers
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// var samplers: binding_array<sampler>;
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@fragment
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fn fragment(
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mesh: VertexOutput,
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) -> @location(0) vec4<f32> {
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// Select the texture to sample from using non-uniform uv coordinates
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let coords = clamp(vec2<u32>(mesh.uv * 4.0), vec2<u32>(0u), vec2<u32>(3u));
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let index = coords.y * 4u + coords.x;
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let inner_uv = fract(mesh.uv * 4.0);
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return textureSample(textures[index], nearest_sampler, inner_uv);
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}
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