external
{
	[binding(0)] colorTexture: sampler2D<f32>
}

struct FragIn
{
	[location(0)] uv: vec2<f32>
}

struct FragOut
{
	[location(0)] color: vec4<f32>
}

struct VertIn
{
	[location(0)] pos: vec2<f32>,
	[location(1)] uv: vec2<f32>
}

struct VertOut
{
	[location(0)] vertUV: vec2<f32>,
	[builtin(position)] position: vec4<f32>
}

[entry(frag)]
fn main(input: FragIn) -> FragOut
{
	let gamma = 2.2;

	let output: FragOut;
	output.color = colorTexture.Sample(input.uv);
	//output.color = pow(colorTexture.Sample(input.uv), vec4<f32>(1.0 / gamma, 1.0 / gamma, 1.0 / gamma, 1.0));
	return output;
}

[entry(vert)]
fn main(input: VertIn) -> VertOut
{
	let output: VertOut;
	output.position = vec4<f32>(input.pos, 0.0, 1.0);
	output.vertUV = input.uv;
	return output;
}