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/*
 * Copyright LWJGL. All rights reserved.
 * License terms: https://www.lwjgl.org/license
 * MACHINE GENERATED FILE, DO NOT EDIT
 */
package org.lwjgl.opengl;

import org.lwjgl.system.*;

import static org.lwjgl.system.Checks.*;

/**
 * Native bindings to the NV_blend_equation_advanced extension.
 * 
 * This extension adds a number of "advanced" blending equations that can be used to perform new color blending operations, many of which are more complex
 * than the standard blend modes provided by unextended OpenGL.
 * 
 * Provides the new blending equations, but guarantees defined results only if each sample is touched no more than once in any single rendering pass. The
 * command {@link #glBlendBarrierNV BlendBarrierNV} is provided to indicate a boundary between passes.
 * 
 * Requires {@link GL20 OpenGL 2.0}.
 */
public class NVBlendEquationAdvanced {

    /** Accepted by the {@code pname} parameter of BlendParameteriNV, GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev. */
    public static final int
        GL_BLEND_PREMULTIPLIED_SRC_NV = 0x9280,
        GL_BLEND_OVERLAP_NV           = 0x9281;

    /** Accepted by the {@code value} parameter of BlendParameteriNV when {@code pname} is BLEND_OVERLAP_NV. */
    public static final int
        GL_UNCORRELATED_NV = 0x8521,
        GL_DISJOINT_NV     = 0x9283,
        GL_CONJOINT_NV     = 0x9284;

    /** Accepted by the {@code mode} parameter of BlendEquation and BlendEquationi. */
    public static final int
        GL_SRC_NV                = 0x9286,
        GL_DST_NV                = 0x9287,
        GL_SRC_OVER_NV           = 0x9288,
        GL_DST_OVER_NV           = 0x9289,
        GL_SRC_IN_NV             = 0x928A,
        GL_DST_IN_NV             = 0x928B,
        GL_SRC_OUT_NV            = 0x928C,
        GL_DST_OUT_NV            = 0x928D,
        GL_SRC_ATOP_NV           = 0x928E,
        GL_DST_ATOP_NV           = 0x928F,
        GL_XOR_NV                = 0x1506,
        GL_MULTIPLY_NV           = 0x9294,
        GL_SCREEN_NV             = 0x9295,
        GL_OVERLAY_NV            = 0x9296,
        GL_DARKEN_NV             = 0x9297,
        GL_LIGHTEN_NV            = 0x9298,
        GL_COLORDODGE_NV         = 0x9299,
        GL_COLORBURN_NV          = 0x929A,
        GL_HARDLIGHT_NV          = 0x929B,
        GL_SOFTLIGHT_NV          = 0x929C,
        GL_DIFFERENCE_NV         = 0x929E,
        GL_EXCLUSION_NV          = 0x92A0,
        GL_INVERT_RGB_NV         = 0x92A3,
        GL_LINEARDODGE_NV        = 0x92A4,
        GL_LINEARBURN_NV         = 0x92A5,
        GL_VIVIDLIGHT_NV         = 0x92A6,
        GL_LINEARLIGHT_NV        = 0x92A7,
        GL_PINLIGHT_NV           = 0x92A8,
        GL_HARDMIX_NV            = 0x92A9,
        GL_HSL_HUE_NV            = 0x92AD,
        GL_HSL_SATURATION_NV     = 0x92AE,
        GL_HSL_COLOR_NV          = 0x92AF,
        GL_HSL_LUMINOSITY_NV     = 0x92B0,
        GL_PLUS_NV               = 0x9291,
        GL_PLUS_CLAMPED_NV       = 0x92B1,
        GL_PLUS_CLAMPED_ALPHA_NV = 0x92B2,
        GL_PLUS_DARKER_NV        = 0x9292,
        GL_MINUS_NV              = 0x929F,
        GL_MINUS_CLAMPED_NV      = 0x92B3,
        GL_CONTRAST_NV           = 0x92A1,
        GL_INVERT_OVG_NV         = 0x92B4,
        GL_RED_NV                = 0x1903,
        GL_GREEN_NV              = 0x1904,
        GL_BLUE_NV               = 0x1905;

    static { GL.initialize(); }

    protected NVBlendEquationAdvanced() {
        throw new UnsupportedOperationException();
    }

    static boolean isAvailable(GLCapabilities caps) {
        return checkFunctions(
            caps.glBlendParameteriNV, caps.glBlendBarrierNV
        );
    }

    // --- [ glBlendParameteriNV ] ---

    public static native void glBlendParameteriNV(@NativeType("GLenum") int pname, @NativeType("GLint") int value);

    // --- [ glBlendBarrierNV ] ---

    public static native void glBlendBarrierNV();

}