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/*
 * Copyright (c) 2009-2021 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.renderer.opengl;

import java.nio.ByteBuffer;

/**
 * GL functions only available on vanilla desktop OpenGL 2.
 *
 * @author Kirill Vainer
 */
public interface GL2 extends GL {

    public static final int GL_ALPHA8 = 0x803C;
    public static final int GL_ALPHA_TEST = 0xBC0;
    public static final int GL_BGR = 0x80E0;
    public static final int GL_BGRA = 0x80E1;
    public static final int GL_COMPARE_REF_TO_TEXTURE = 0x884E;
    public static final int GL_DEPTH_COMPONENT24 = 0x81A6;
    public static final int GL_DEPTH_COMPONENT32 = 0x81A7;
    public static final int GL_DEPTH_TEXTURE_MODE = 0x884B;
    public static final int GL_DOUBLEBUFFER = 0xC32;
    public static final int GL_DRAW_BUFFER = 0xC01;
    public static final int GL_POINT = 0x1B00;
    public static final int GL_LINE = 0x1B01;
    public static final int GL_FILL = 0x1B02;
    public static final int GL_GENERATE_MIPMAP = 0x8191;
    public static final int GL_INTENSITY = 0x8049;
    public static final int GL_LUMINANCE8 = 0x8040;
    public static final int GL_LUMINANCE8_ALPHA8 = 0x8045;
    public static final int GL_MAX_ELEMENTS_INDICES = 0x80E9;
    public static final int GL_MAX_ELEMENTS_VERTICES = 0x80E8;
    public static final int GL_MAX_FRAGMENT_UNIFORM_COMPONENTS = 0x8B49;
    public static final int GL_MAX_VERTEX_UNIFORM_COMPONENTS = 0x8B4A;
    public static final int GL_READ_BUFFER = 0xC02;
    public static final int GL_RGB8 = 0x8051;
    public static final int GL_STACK_OVERFLOW = 0x503;
    public static final int GL_STACK_UNDERFLOW = 0x504;
    public static final int GL_TEXTURE_3D = 0x806F;
    public static final int GL_TEXTURE_BASE_LEVEL = 0x813C;
    public static final int GL_TEXTURE_MAX_LEVEL = 0x813D;
    public static final int GL_POINT_SPRITE = 0x8861;
    public static final int GL_TEXTURE_COMPARE_FUNC = 0x884D;
    public static final int GL_TEXTURE_COMPARE_MODE = 0x884C;
    public static final int GL_TEXTURE_WRAP_R = 0x8072;
    public static final int GL_VERTEX_PROGRAM_POINT_SIZE = 0x8642;
    public static final int GL_UNSIGNED_INT_8_8_8_8 = 0x8035;

    /**
     * 

Reference Page - This function is deprecated and unavailable in the Core profile

* * The alpha test discards a fragment conditionally based on the outcome of a comparison between the incoming fragment’s alpha value and a constant value. * The comparison is enabled or disabled with the generic {@link #glEnable Enable} and {@link #glDisable Disable} commands using the symbolic constant {@link #GL_ALPHA_TEST ALPHA_TEST}. * When disabled, it is as if the comparison always passes. The test is controlled with this method. * * @param func a symbolic constant indicating the alpha test function. One of: * {@link #GL_NEVER NEVER} * {@link #GL_ALWAYS ALWAYS} * {@link #GL_LESS LESS} * {@link #GL_LEQUAL LEQUAL} * {@link #GL_EQUAL EQUAL} * {@link #GL_GEQUAL GEQUAL} * {@link #GL_GREATER GREATER} * {@link #GL_NOTEQUAL NOTEQUAL} * @param ref a reference value clamped to the range [0, 1]. When performing the alpha test, the GL will convert the reference value to the same representation as the fragment's alpha value (floating-point or fixed-point). */ public void glAlphaFunc(int func, float ref); /** *

Reference Page

*

* Controls the rasterization of points if no vertex, tessellation control, tessellation evaluation, or geometry shader is active. The default point size is 1.0. * * @param size the request size of a point. */ public void glPointSize(float size); /** *

Reference Page

* * Controls the interpretation of polygons for rasterization. * *

{@link #GL_FILL FILL} is the default mode of polygon rasterization. Note that these modes affect only the final rasterization of polygons: in particular, a * polygon's vertices are lit, and the polygon is clipped and possibly culled before these modes are applied. Polygon antialiasing applies only to the * {@link #GL_FILL FILL} state of PolygonMode. For {@link #GL_POINT POINT} or {@link #GL_LINE LINE}, point antialiasing or line segment antialiasing, respectively, apply.

* * @param face the face for which to set the rasterizing method. One of: * {@link #GL_FRONT FRONT} * {@link #GL_BACK BACK} * {@link #GL_FRONT_AND_BACK FRONT_AND_BACK} * @param mode the rasterization mode. One of: * {@link #GL_POINT POINT} * {@link #GL_LINE LINE} * {@link #GL_FILL FILL} */ public void glPolygonMode(int face, int mode); /** *

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*

* Defines the color buffer to which fragment color zero is written. * * @param mode the color buffer to draw to. */ public void glDrawBuffer(int mode); /** *

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*

* Defines the color buffer from which values are obtained. * * @param mode the color buffer to read from. */ public void glReadBuffer(int mode); /** *

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*

* Specifies a three-dimensional texture image in a compressed format. * * @param target the target texture. * @param level the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. * @param internalFormat the format of the compressed image data. * @param width the width of the texture image * @param height the height of the texture image * @param depth the depth of the texture image * @param border must be 0 * @param data a pointer to the compressed image data */ public void glCompressedTexImage3D(int target, int level, int internalFormat, int width, int height, int depth, int border, ByteBuffer data); /** *

Reference Page

*

* Respecifies only a cubic subregion of an existing 3D texel array, with incoming data stored in a specific compressed image format. * * @param target the target texture. * @param level the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. * @param xoffset a texel offset in the x direction within the texture array. * @param yoffset a texel offset in the y direction within the texture array. * @param zoffset a texel offset in the z direction within the texture array. * @param width the width of the texture subimage. * @param height the height of the texture subimage. * @param depth the depth of the texture subimage. * @param format the format of the compressed image data stored at address {@code data}. * @param data a pointer to the compressed image data. */ public void glCompressedTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset, int width, int height, int depth, int format, ByteBuffer data); /** *

Reference Page

*

* Specifies a three-dimensional texture image. * * @param target the texture target. * @param level the level-of-detail number. * @param internalFormat the texture internal format. * @param width the texture width. * @param height the texture height. * @param depth the texture depth. * @param border the texture border width. * @param format the texel data format. * @param type the texel data type. * @param data the texel data. */ public void glTexImage3D(int target, int level, int internalFormat, int width, int height, int depth, int border, int format, int type, ByteBuffer data); /** *

Reference Page

*

* Respecifies a cubic subregion of an existing 3D texel array. No change is made to the internalformat, width, height, depth, or border parameters of * the specified texel array, nor is any change made to texel values outside the specified subregion. * * @param target the texture target. * @param level the level-of-detail-number. * @param xoffset the x coordinate of the texel subregion. * @param yoffset the y coordinate of the texel subregion. * @param zoffset the z coordinate of the texel subregion. * @param width the subregion width. * @param height the subregion height. * @param depth the subregion depth. * @param format the pixel data format. * @param type the pixel data type. * @param data the pixel data. */ public void glTexSubImage3D(int target, int level, int xoffset, int yoffset, int zoffset, int width, int height, int depth, int format, int type, ByteBuffer data); }





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