#include "stereokit.hlsli"
#include "dofdev.hlsli"

//--name = dofdev/sky

//--oriel_id    = -1
//--diffuse     = white

int oriel_id;

Texture2D    diffuse   : register(t0);
SamplerState diffuse_s : register(s0);

struct vsIn {
	float4 pos  : SV_Position;
	float3 norm : NORMAL0;
	float2 uv   : TEXCOORD0;
	float4 col  : COLOR0;
};
struct psIn {
	float4 pos    : SV_Position;
  float3 norm   : NORMAL0;
	float2 uv     : TEXCOORD0;
	float4 world  : WORLD;
	float4 color  : COLOR0;
	uint view_id  : SV_RenderTargetArrayIndex;
};

psIn vs(vsIn input, uint id : SV_InstanceID) {
	psIn o;
	o.view_id = id % sk_view_count;
	id        = id / sk_view_count;

	o.world   = mul(input.pos, sk_inst[id].world);
	o.pos     = mul(o.world, sk_viewproj[o.view_id]);

	o.norm = normalize(mul(input.norm, (float3x3)sk_inst[id].world));

	o.uv     = input.uv;
	o.color  = input.col;
  o.color *= linear_gamma(sk_inst[id].color);
	// o.color.rgb *= Lighting(o.norm);
	return o;
}

psOut ps(psIn input) {
	psOut o;

	// o.depth = oriel(input.pos.z, input.view_id, input.world.xyz);
	o.depth = oriel(oriel_id, 0.999, input.view_id, input.world.xyz);

	// float4 col = diffuse.Sample(diffuse_s, input.uv);

	o.color = input.color;// * diffuse.Sample(diffuse_s, input.uv);

  return o;
}