Files
shattered-pixel-dungeon-web…/SPD-classes/src/main/java/com/watabou/glwrap/Shader.java
2025-05-13 12:53:08 -04:00

69 lines
1.8 KiB
Java

/*
* Pixel Dungeon
* Copyright (C) 2012-2015 Oleg Dolya
*
* Shattered Pixel Dungeon
* Copyright (C) 2014-2025 Evan Debenham
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package com.watabou.glwrap;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.utils.BufferUtils;
import java.nio.IntBuffer;
public class Shader {
public static final int VERTEX = Gdx.gl.GL_VERTEX_SHADER;
public static final int FRAGMENT = Gdx.gl.GL_FRAGMENT_SHADER;
private int handle;
public Shader( int type ) {
handle = Gdx.gl.glCreateShader( type );
}
public int handle() {
return handle;
}
public void source( String src ) {
Gdx.gl.glShaderSource( handle, src );
}
public void compile() {
Gdx.gl.glCompileShader( handle );
IntBuffer status = BufferUtils.newIntBuffer(1);
Gdx.gl.glGetShaderiv( handle, Gdx.gl.GL_COMPILE_STATUS, status);
if (status.get() == Gdx.gl.GL_FALSE) {
throw new Error( Gdx.gl.glGetShaderInfoLog( handle ) );
}
}
public void delete() {
Gdx.gl.glDeleteShader( handle );
}
public static Shader createCompiled( int type, String src ) {
Shader shader = new Shader( type );
shader.source( src );
shader.compile();
return shader;
}
}