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added sources for Slick

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Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d
This commit is contained in:
Song Minjae
2016-12-30 23:29:12 +09:00
parent d1f01a203d
commit d3080ffb78
329 changed files with 58400 additions and 7 deletions
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62
lib/slick-source/org/newdawn/slick/util/MaskUtil.java Normal file
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package org.newdawn.slick.util;
import org.newdawn.slick.opengl.renderer.Renderer;
import org.newdawn.slick.opengl.renderer.SGL;
/**
* A utility to provide full screen masking
*
* @author kevin
*/
public class MaskUtil {
/** The renderer to use for all GL operations */
protected static SGL GL = Renderer.get();
/**
* Start defining the screen mask. After calling this use graphics functions to
* mask out the area
*/
public static void defineMask() {
GL.glDepthMask(true);
GL.glClearDepth(1);
GL.glClear(SGL.GL_DEPTH_BUFFER_BIT);
GL.glDepthFunc(SGL.GL_ALWAYS);
GL.glEnable(SGL.GL_DEPTH_TEST);
GL.glDepthMask(true);
GL.glColorMask(false, false, false, false);
}
/**
* Finish defining the screen mask
*/
public static void finishDefineMask() {
GL.glDepthMask(false);
GL.glColorMask(true, true, true, true);
}
/**
* Start drawing only on the masked area
*/
public static void drawOnMask() {
GL.glDepthFunc(SGL.GL_EQUAL);
}
/**
* Start drawing only off the masked area
*/
public static void drawOffMask() {
GL.glDepthFunc(SGL.GL_NOTEQUAL);
}
/**
* Reset the masked area - should be done after you've finished rendering
*/
public static void resetMask() {
GL.glDepthMask(true);
GL.glClearDepth(0);
GL.glClear(SGL.GL_DEPTH_BUFFER_BIT);
GL.glDepthMask(false);
GL.glDisable(SGL.GL_DEPTH_TEST);
}
}