46 lines
1.3 KiB
WebGPU Shading Language
46 lines
1.3 KiB
WebGPU Shading Language
#include globals.wgsl
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@vertex
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fn vs_main(
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model: VertexInput,
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instance: InstanceInput,
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) -> VertexOutput {
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let model_matrix = mat4x4<f32>(
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instance.model_matrix_0,
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instance.model_matrix_1,
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instance.model_matrix_2,
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instance.model_matrix_3,
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);
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let normal_matrix = mat3x3<f32>(
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instance.normal_matrix_0,
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instance.normal_matrix_1,
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instance.normal_matrix_2,
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);
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let world_normal = normalize(normal_matrix * model.normal);
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let world_tangent = normalize(normal_matrix * model.tangent);
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let world_bitangent = normalize(normal_matrix * model.bitangent);
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let tangent_matrix = transpose(mat3x3<f32>(
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world_tangent,
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world_bitangent,
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world_normal,
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));
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let world_position = model_matrix * vec4<f32>(model.position, 1.0);
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var out: VertexOutput;
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out.clip_position = camera.proj * camera.view * world_position;
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out.tex_coords = model.tex_coords;
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out.tangent_position = tangent_matrix * world_position.xyz;
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out.tangent_light_position = tangent_matrix * light.position;
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out.tangent_view_position = tangent_matrix * camera.position.xyz;
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out.world_position = world_position;
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return out;
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}
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@fragment
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fn fs_main(vert: VertexOutput) -> @location(0) vec4<f32> {
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return vec4<f32>(0.5, 0.5, 0.5, 0.1);
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}
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