bevy/assets/shaders/array_texture.wgsl
2022-06-29 03:57:08 +00:00

64 lines
1.8 KiB
WebGPU Shading Language

#import bevy_pbr::mesh_view_bindings
#import bevy_pbr::mesh_bindings
#import bevy_pbr::pbr_types
#import bevy_pbr::utils
#import bevy_pbr::clustered_forward
#import bevy_pbr::lighting
#import bevy_pbr::shadows
#import bevy_pbr::pbr_functions
[[group(1), binding(0)]]
var my_array_texture: texture_2d_array<f32>;
[[group(1), binding(1)]]
var my_array_texture_sampler: sampler;
struct FragmentInput {
[[builtin(front_facing)]] is_front: bool;
[[builtin(position)]] frag_coord: vec4<f32>;
[[location(0)]] world_position: vec4<f32>;
[[location(1)]] world_normal: vec3<f32>;
[[location(2)]] uv: vec2<f32>;
#ifdef VERTEX_TANGENTS
[[location(3)]] world_tangent: vec4<f32>;
#endif
#ifdef VERTEX_COLORS
[[location(4)]] color: vec4<f32>;
#endif
};
[[stage(fragment)]]
fn fragment(in: FragmentInput) -> [[location(0)]] vec4<f32> {
let layer = i32(in.world_position.x) & 0x3;
// Prepare a 'processed' StandardMaterial by sampling all textures to resolve
// the material members
var pbr_input: PbrInput = pbr_input_new();
pbr_input.material.base_color = textureSample(my_array_texture, my_array_texture_sampler, in.uv, layer);
#ifdef VERTEX_COLORS
pbr_input.material.base_color = pbr_input.material.base_color * in.color;
#endif
pbr_input.frag_coord = in.frag_coord;
pbr_input.world_position = in.world_position;
pbr_input.world_normal = in.world_normal;
pbr_input.is_orthographic = view.projection[3].w == 1.0;
pbr_input.N = prepare_normal(
pbr_input.material.flags,
in.world_normal,
#ifdef VERTEX_TANGENTS
#ifdef STANDARDMATERIAL_NORMAL_MAP
in.world_tangent,
#endif
#endif
in.uv,
in.is_front,
);
pbr_input.V = calculate_view(in.world_position, pbr_input.is_orthographic);
return tone_mapping(pbr(pbr_input));
}