com.samrj.devil.gl.AttributeType.java Source code

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Here is the source code for com.samrj.devil.gl.AttributeType.java

Source

package com.samrj.devil.gl;

import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL20;

/**
 * @author Samuel Johnson (SmashMaster)
 * @copyright 2015 Samuel Johnson
 * @license https://github.com/SmashMaster/DevilUtil/blob/master/LICENSE
 */
public enum AttributeType {
    FLOAT(4, 1, 1, GL11.GL_FLOAT, GL11.GL_FLOAT), VEC2(8, 2, 1, GL20.GL_FLOAT_VEC2, GL11.GL_FLOAT), VEC3(12, 3, 1,
            GL20.GL_FLOAT_VEC3, GL11.GL_FLOAT), VEC4(16, 4, 1, GL20.GL_FLOAT_VEC4, GL11.GL_FLOAT), MAT2(8, 2, 2,
                    GL20.GL_FLOAT_MAT2, GL11.GL_FLOAT), MAT3(12, 3, 3, GL20.GL_FLOAT_MAT3, GL11.GL_FLOAT), MAT4(16,
                            4, 4, GL20.GL_FLOAT_MAT4, GL11.GL_FLOAT), INT(4, 1, 1, GL11.GL_INT,
                                    GL11.GL_INT), VEC2I(8, 2, 1, GL20.GL_INT_VEC2, GL11.GL_INT), VEC3I(12, 3, 1,
                                            GL20.GL_INT_VEC3, GL11.GL_INT), VEC4I(16, 4, 1, GL20.GL_INT_VEC4,
                                                    GL11.GL_INT), NONE(0, 0, 0, GL11.GL_FALSE, GL11.GL_FALSE);

    public static final AttributeType get(int glEnum) {
        switch (glEnum) {
        case GL11.GL_FLOAT:
            return AttributeType.FLOAT;
        case GL20.GL_FLOAT_VEC2:
            return AttributeType.VEC2;
        case GL20.GL_FLOAT_VEC3:
            return AttributeType.VEC3;
        case GL20.GL_FLOAT_VEC4:
            return AttributeType.VEC4;
        case GL20.GL_FLOAT_MAT2:
            return AttributeType.MAT2;
        case GL20.GL_FLOAT_MAT3:
            return AttributeType.MAT3;
        case GL20.GL_FLOAT_MAT4:
            return AttributeType.MAT4;
        case GL11.GL_INT:
            return AttributeType.INT;
        case GL20.GL_INT_VEC2:
            return AttributeType.VEC2I;
        case GL20.GL_INT_VEC3:
            return AttributeType.VEC3I;
        case GL20.GL_INT_VEC4:
            return AttributeType.VEC4I;
        default:
            return null;
        }
    }

    /**
     * The size, in bytes, of one layer of this attribute type.
     */
    public final int size;

    /**
     * The number of components per layer for this attribute type.
     */
    public final int components;

    /**
     * The number of locations this attribute type occupies.
     */
    public final int layers;

    /**
     * The OpenGL enumerator for this attribute type.
     */
    public final int glEnum;

    /**
     * The OpenGL enumerator for this attribute's component type.
     */
    public final int glComponent;

    /**
     * Whether or not this type is an integer type.
     */
    public final boolean isInteger;

    private AttributeType(int size, int components, int layers, int glEnum, int glComponent) {
        this.size = size;
        this.components = components;
        this.layers = layers;
        this.glEnum = glEnum;
        this.glComponent = glComponent;
        isInteger = glComponent == GL11.GL_INT;
    }
}