jpcsp.graphics.RE.RenderingEngineLwjgl15.java Source code

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Here is the source code for jpcsp.graphics.RE.RenderingEngineLwjgl15.java

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/*
This file is part of jpcsp.
    
Jpcsp 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.
    
Jpcsp 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 Jpcsp.  If not, see <http://www.gnu.org/licenses/>.
 */
package jpcsp.graphics.RE;

import static jpcsp.graphics.RE.DirectBufferUtilities.getDirectBuffer;

import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;

import org.lwjgl.opengl.GL15;

/**
 * @author gid15
 *
 * A RenderingEngine implementing calls to OpenGL using LWJGL
 * for OpenGL Version >= 1.5.
 * The class contains no rendering logic, it just implements the interface to LWJGL.
 */
public class RenderingEngineLwjgl15 extends RenderingEngineLwjgl12 {
    public RenderingEngineLwjgl15() {
    }

    @Override
    public void deleteBuffer(int buffer) {
        GL15.glDeleteBuffers(buffer);
    }

    @Override
    public int genBuffer() {
        return GL15.glGenBuffers();
    }

    @Override
    public void setBufferData(int target, int size, Buffer buffer, int usage) {
        if (buffer instanceof ByteBuffer) {
            GL15.glBufferData(bufferTargetToGL[target], getDirectBuffer(size, (ByteBuffer) buffer),
                    bufferUsageToGL[usage]);
        } else if (buffer instanceof IntBuffer) {
            GL15.glBufferData(bufferTargetToGL[target], getDirectBuffer(size, (IntBuffer) buffer),
                    bufferUsageToGL[usage]);
        } else if (buffer instanceof ShortBuffer) {
            GL15.glBufferData(bufferTargetToGL[target], getDirectBuffer(size, (ShortBuffer) buffer),
                    bufferUsageToGL[usage]);
        } else if (buffer instanceof FloatBuffer) {
            GL15.glBufferData(bufferTargetToGL[target], getDirectBuffer(size, (FloatBuffer) buffer),
                    bufferUsageToGL[usage]);
        } else if (buffer == null) {
            GL15.glBufferData(bufferTargetToGL[target], size, bufferUsageToGL[usage]);
        } else {
            throw new IllegalArgumentException();
        }
    }

    @Override
    public void setBufferSubData(int target, int offset, int size, Buffer buffer) {
        if (buffer instanceof ByteBuffer) {
            GL15.glBufferSubData(bufferTargetToGL[target], offset, getDirectBuffer(size, (ByteBuffer) buffer));
        } else if (buffer instanceof IntBuffer) {
            GL15.glBufferSubData(bufferTargetToGL[target], offset, getDirectBuffer(size, (IntBuffer) buffer));
        } else if (buffer instanceof ShortBuffer) {
            GL15.glBufferSubData(bufferTargetToGL[target], offset, getDirectBuffer(size, (ShortBuffer) buffer));
        } else if (buffer instanceof FloatBuffer) {
            GL15.glBufferSubData(bufferTargetToGL[target], offset, getDirectBuffer(size, (FloatBuffer) buffer));
        } else {
            throw new IllegalArgumentException();
        }
    }

    @Override
    public void bindBuffer(int target, int buffer) {
        GL15.glBindBuffer(bufferTargetToGL[target], buffer);
    }
}