Example usage for org.lwjgl.opengl GL11 glAlphaFunc

List of usage examples for org.lwjgl.opengl GL11 glAlphaFunc

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Introduction

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

Prototype

public static native void glAlphaFunc(@NativeType("GLenum") int func, @NativeType("GLfloat") float ref);

Source Link

Document

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.

Usage

From source file:vazkii.b_baubles.client.fx.ParticleRenderDispatcher.java

License:Creative Commons License

public static void dispatch() {
    Tessellator tessellator = Tessellator.instance;

    boolean isLightingEnabled = GL11.glGetBoolean(GL11.GL_LIGHTING);
    Profiler profiler = Minecraft.getMinecraft().mcProfiler;

    GL11.glDepthMask(false);// www. ja  va 2 s.  c  o  m
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
    GL11.glAlphaFunc(GL11.GL_GREATER, 0.003921569F);
    if (isLightingEnabled)
        GL11.glDisable(GL11.GL_LIGHTING);

    profiler.startSection("sparkle");
    FXSparkle.dispatchQueuedRenders(tessellator);
    profiler.endStartSection("wisp");
    FXWisp.dispatchQueuedRenders(tessellator);
    profiler.endSection();

    if (isLightingEnabled)
        GL11.glEnable(GL11.GL_LIGHTING);
    GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDepthMask(true);
}

From source file:zsawyer.mods.stereoscopic3d.MinecraftCopy.java

License:Open Source License

/**
 * Displays a new screen./*from  w  w w.  jav  a  2  s  . com*/
 */
public static void loadScreen() throws LWJGLException {
    ScaledResolution var1 = new ScaledResolution(mc.gameSettings, mc.displayWidth, mc.displayHeight);
    GL11.glClear(16640);
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(0.0D, var1.getScaledWidth_double(), var1.getScaledHeight_double(), 0.0D, 1000.0D, 3000.0D);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    GL11.glTranslatef(0.0F, 0.0F, -2000.0F);
    GL11.glViewport(0, 0, mc.displayWidth, mc.displayHeight);
    GL11.glClearColor(0.0F, 0.0F, 0.0F, 0.0F);
    GL11.glDisable(GL11.GL_LIGHTING);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_FOG);
    Tessellator var2 = Tessellator.instance;
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, mc.renderEngine.getTexture("/title/mojang.png"));
    var2.startDrawingQuads();
    var2.setColorOpaque_I(16777215);
    var2.addVertexWithUV(0.0D, (double) mc.displayHeight, 0.0D, 0.0D, 0.0D);
    var2.addVertexWithUV((double) mc.displayWidth, (double) mc.displayHeight, 0.0D, 0.0D, 0.0D);
    var2.addVertexWithUV((double) mc.displayWidth, 0.0D, 0.0D, 0.0D, 0.0D);
    var2.addVertexWithUV(0.0D, 0.0D, 0.0D, 0.0D, 0.0D);
    var2.draw();
    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    var2.setColorOpaque_I(16777215);
    short var3 = 256;
    short var4 = 256;
    mc.scaledTessellator((var1.getScaledWidth() - var3) / 2, (var1.getScaledHeight() - var4) / 2, 0, 0, var3,
            var4);
    GL11.glDisable(GL11.GL_LIGHTING);
    GL11.glDisable(GL11.GL_FOG);
    GL11.glEnable(GL11.GL_ALPHA_TEST);
    GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
    Display.swapBuffers();
}