package com.mojang.blaze3d;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;

@Environment(EnvType.CLIENT)
public enum GpuFormat {
	R8_UNORM(1, 1),
	R8_SNORM(1, 1),
	RG8_UNORM(2, 1),
	RG8_SNORM(2, 1),
	RGB8_UNORM(3, 1),
	RGB8_SNORM(3, 1),
	RGBA8_UNORM(4, 1),
	RGBA8_SNORM(4, 1),
	R16_UNORM(2, 2),
	R16_SNORM(2, 2),
	RG16_UNORM(4, 2),
	RG16_SNORM(4, 2),
	RGB16_UNORM(6, 2),
	RGB16_SNORM(6, 2),
	RGBA16_UNORM(8, 2),
	RGBA16_SNORM(8, 2),
	R8_UINT(1, 1),
	R8_SINT(1, 1),
	RG8_UINT(2, 1),
	RG8_SINT(2, 1),
	RGB8_UINT(3, 1),
	RGB8_SINT(3, 1),
	RGBA8_UINT(4, 1),
	RGBA8_SINT(4, 1),
	R16_UINT(2, 2),
	R16_SINT(2, 2),
	RG16_UINT(4, 2),
	RG16_SINT(4, 2),
	RGB16_UINT(6, 2),
	RGB16_SINT(6, 2),
	RGBA16_UINT(8, 2),
	RGBA16_SINT(8, 2),
	R32_UINT(4, 4),
	R32_SINT(4, 4),
	RG32_UINT(8, 4),
	RG32_SINT(8, 4),
	RGB32_UINT(12, 4),
	RGB32_SINT(12, 4),
	RGBA32_UINT(16, 4),
	RGBA32_SINT(16, 4),
	R16_FLOAT(2, 2),
	RG16_FLOAT(4, 2),
	RGB16_FLOAT(6, 2),
	RGBA16_FLOAT(8, 2),
	R32_FLOAT(4, 4),
	RG32_FLOAT(8, 4),
	RGB32_FLOAT(12, 4),
	RGBA32_FLOAT(16, 4),
	RGB10A2_UNORM(4, 1),
	RGB10A2_UINT(4, 1),
	RG11B10_FLOAT(4, 1),
	D32_FLOAT(4, 4),
	D32_FLOAT_S8_UINT(8, 1),
	D24_UNORM_S8_UINT(4, 1),
	D16_UNORM(2, 2),
	S8_UINT(1, 1);

	private final int pixelSize;
	private final int byteAlignment;

	private GpuFormat(final int pixelSize, final int byteAlignment) {
		this.pixelSize = pixelSize;
		this.byteAlignment = byteAlignment;
	}

	public int pixelSize() {
		return this.pixelSize;
	}

	public int byteAlignment() {
		return this.byteAlignment;
	}

	public boolean hasColorAspect() {
		return !this.hasDepthAspect() && !this.hasStencilAspect();
	}

	public boolean hasDepthAspect() {
		return this == D32_FLOAT || this == D32_FLOAT_S8_UINT || this == D24_UNORM_S8_UINT || this == D16_UNORM;
	}

	public boolean hasStencilAspect() {
		return this == S8_UINT || this == D32_FLOAT_S8_UINT || this == D24_UNORM_S8_UINT;
	}
}