bevy_sprite_render 0.20.0-rc.2

Provides sprite rendering functionality for Bevy Engine
Documentation 
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import package::{
    mesh2d::functions as mesh_functions,
    mesh2d::vertex_output::VertexOutput,
    mesh2d::view_bindings::view,
    mesh2d::vertex_input::{Vertex, decompress_vertex},
    mesh2d::bindings as mesh2d_bindings,
    sprite_mesh::bindings::material,
    sprite_mesh::functions as sprite_functions,
};
@if(BINDLESS)
import package::sprite_mesh::bindings::material_indices;

@if(TONEMAP_IN_SHADER)
import bevy_core_pipeline::tonemapping;
@if(SRGB_OUTPUT)
import bevy_render::color_operations::linear_to_srgb;
@if(OKLAB_OUTPUT)
import bevy_render::color_operations::linear_rgb_to_oklab;

@vertex
fn vertex(vertex: Vertex) -> VertexOutput {
    let instance_index = vertex.instance_index;

@if(BINDLESS)
    let slot = mesh2d_bindings::mesh[instance_index].material_bind_group_slot;
@if(BINDLESS)
    let vertex_scale = material[material_indices[slot].material].vertex_scale;
@else
    let vertex_scale = material.vertex_scale;
@if(BINDLESS)
    let vertex_offset = material[material_indices[slot].material].vertex_offset;
@else
    let vertex_offset = material.vertex_offset;

    var out: VertexOutput;
    let uncompressed_vertex = decompress_vertex(vertex, instance_index);
@if(VERTEX_UVS)
    out.uv = uncompressed_vertex.uv;

@if(VERTEX_POSITIONS)
    var world_from_local = mesh_functions::get_world_from_local(instance_index);
@if(VERTEX_POSITIONS)
    let position = vec4<f32>(uncompressed_vertex.position * vec3<f32>(vertex_scale, 1.0) + vec3<f32>(vertex_offset, 0.0), 1.0);

@if(VERTEX_POSITIONS)
    out.world_position = mesh_functions::mesh2d_position_local_to_world(
        world_from_local,
        position
    );
@if(VERTEX_POSITIONS)
    out.position = mesh_functions::mesh2d_position_world_to_clip(out.world_position);

@if(VERTEX_NORMALS)
    out.world_normal = mesh_functions::mesh2d_normal_local_to_world(uncompressed_vertex.normal, vertex.instance_index);

@if(VERTEX_TANGENTS)
    out.world_tangent = mesh_functions::mesh2d_tangent_local_to_world(
        world_from_local,
        uncompressed_vertex.tangent
    );

@if(VERTEX_COLORS)
    out.color = uncompressed_vertex.color;

    out.instance_index = instance_index;

    return out;
}

@fragment
fn fragment(
    mesh: VertexOutput,
) -> @location(0) vec4<f32> {
    var output_color = sprite_functions::sample_final_color(mesh.uv, mesh.instance_index);

@if(TONEMAP_IN_SHADER)
    output_color = tonemapping::tone_mapping(output_color, view.color_grading);

@if(SRGB_OUTPUT)
    output_color = vec4(linear_to_srgb(output_color.rgb), output_color.a);

@if(OKLAB_OUTPUT)
    output_color = vec4(linear_rgb_to_oklab(output_color.rgb), output_color.a);

    return output_color;
}