Example usage for org.lwjgl.opengl GL11 GL

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 GL_ZERO.

Prototype

int GL_ZERO

To view the source code for org.lwjgl.opengl GL11 GL_ZERO.

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Document

BlendingFactorDest

Usage

From source file:net.neilcsmith.praxis.video.opengl.ops.AbstractBlitOp.java

License:Open Source License

void setupBlending(GLRenderer renderer, BlendMode mode, float opacity) {// boolean srcAlpha, boolean dstAlpha) {

    //        renderer.enableBlending();

    switch (mode) {
    case Normal:/*  www .  j  a  v  a  2s. co  m*/
        renderer.setBlendFunction(GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
        break;
    case Add:
        renderer.setBlendFunction(GL11.GL_ONE, GL11.GL_ONE);
        break;
    case Multiply:
        renderer.setBlendFunction(GL11.GL_DST_COLOR, GL11.GL_ONE_MINUS_SRC_ALPHA);
        break;
    case Mask:
        renderer.setBlendFunction(GL11.GL_ZERO, GL11.GL_SRC_COLOR);
        break;
    default:
        throw new IllegalArgumentException();
    }

    renderer.setColor(new Color(opacity, opacity, opacity, opacity));
}

From source file:org.illarion.engine.backend.slick.SlickGraphics.java

License:Open Source License

@Override
public void setBlendingMode(@Nonnull final BlendingMode mode) {
    if (slickGraphicsImpl == null) {
        throw new IllegalStateException("Using graphics outside of the render loop is not allowed.");
    }/*from  w  w w  .  j a  va  2  s.co  m*/
    switch (mode) {
    case AlphaBlend:
        slickGraphicsImpl.setDrawMode(org.newdawn.slick.Graphics.MODE_NORMAL);
        Renderer.get().glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        break;
    case Multiply:
        slickGraphicsImpl.setDrawMode(org.newdawn.slick.Graphics.MODE_NORMAL);
        Renderer.get().glBlendFunc(GL11.GL_DST_COLOR, GL11.GL_ZERO);
        break;
    }
}

From source file:org.jogamp.glg2d.impl.AbstractColorHelper.java

License:Apache License

@Override
public void setComposite(Composite comp) {
    GL11.glEnable(GL11.GL_BLEND);//from   w  ww . j av  a  2  s . c  o m
    if (comp instanceof AlphaComposite) {
        switch (((AlphaComposite) comp).getRule()) {
        /*
         * Since the destination _always_ covers the entire canvas (i.e. there are
         * always color components for every pixel), some of these composites can
         * be collapsed into each other. They matter when Java2D is drawing into
         * an image and the destination may not take up the entire canvas.
         */
        case AlphaComposite.SRC:
        case AlphaComposite.SRC_IN:
            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ZERO);
            break;

        case AlphaComposite.SRC_OVER:
        case AlphaComposite.SRC_ATOP:
            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
            break;

        case AlphaComposite.SRC_OUT:
        case AlphaComposite.CLEAR:
            GL11.glBlendFunc(GL11.GL_ZERO, GL11.GL_ZERO);
            break;

        case AlphaComposite.DST:
        case AlphaComposite.DST_OVER:
            GL11.glBlendFunc(GL11.GL_ZERO, GL11.GL_ONE);
            break;

        case AlphaComposite.DST_IN:
        case AlphaComposite.DST_ATOP:
            GL11.glBlendFunc(GL11.GL_ZERO, GL11.GL_SRC_ALPHA);
            break;

        case AlphaComposite.DST_OUT:
        case AlphaComposite.XOR:
            GL11.glBlendFunc(GL11.GL_ZERO, GL11.GL_ONE_MINUS_SRC_ALPHA);
            break;
        }

        stack.peek().composite = comp;
        // need to pre-multiply the alpha
        setColor(getColor());
    } else {
        notImplemented("setComposite(Composite) with " + comp == null ? "null Composite"
                : comp.getClass().getSimpleName());
    }
}

From source file:stevekung.mods.moreplanets.core.handler.SkyProviderMarsMP.java