struct PixelShaderInput {
	float4 pos : SV_POSITION;
	float4 uvst : COORDINATES;
	uint tile_type : TILE_TYPE;
};

struct PixelShaderOutput {
	float4 color : SV_TARGET;
};

Texture2D<float> tex1 : register(t0);

SamplerState texture_sampler : register(s0);

PixelShaderOutput main(PixelShaderInput input) {
	PixelShaderOutput output;

#if 1
	output.color = float4(1, 1, 1, tex1.Sample(texture_sampler, float2(input.uvst.xy)));
#else
	output.color = float4(1, 0, 1, 1);
#endif
	return output;
}