[nzsl_version("1.0")]
module;

struct VertIn
{
	[location(0)] pos: vec4[f32],
	[location(1)] color: vec4[f32], // unused
	[location(2)] normal: vec4[f32], // unused
	[location(3)] uv: vec2[f32]
}

struct VertOut
{
	[location(0)] color: vec4[f32],
	[location(1)] uv: vec2[f32],
	[builtin(position)] pos: vec4[f32]
}

struct ViewerData
{
	projection_matrix: mat4[f32]
}

struct SpriteData
{
    model_matrix: mat4[f32],
	color: vec4[f32],
}

external
{
	[set(0), binding(0)] viewer_data: uniform[ViewerData],
	model : push_constant[SpriteData]
}

[entry(vert)]
fn main(input: VertIn) -> VertOut
{
    let position: vec4[f32] = vec4[f32](input.pos.xy, 0.0, 1.0);
	input.uv.x *= -1.0;
	let output: VertOut;
	output.uv = input.uv;
	output.color = model.color;
	output.pos = viewer_data.projection_matrix * model.model_matrix * position;
	return output;
}
