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Added support for OpenGL ES.

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Ioannis Tsakpinis 2011-05-17 16:53:57 +00:00
parent 8f6dcd3a6d
commit 40cbf3e45f
213 changed files with 19618 additions and 194 deletions
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src/java/org/lwjgl/test/opengles/MappedIndexedVBOTest.java Normal file
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/*
* Copyright (c) 2002-2008 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* $Id: VBOIndexTest.java 2983 2008-04-07 18:36:09Z matzon $
*
* Simple java test program.
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @version $Revision: 2983 $
*/
package org.lwjgl.test.opengles;
import org.lwjgl.BufferUtils;
import org.lwjgl.Sys;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengles.GLContext;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import static org.lwjgl.opengles.GLES20.*;
import static org.lwjgl.opengles.OESMapbuffer.*;
import static org.lwjgl.test.opengles.util.GLMatrix.*;
public final class MappedIndexedVBOTest {
static {
try {
//find first display mode that allows us 640*480*16
int mode = -1;
DisplayMode[] modes = Display.getAvailableDisplayModes();
for ( int i = 0; i < modes.length; i++ ) {
if ( modes[i].getWidth() == 640
&& modes[i].getHeight() == 480
&& modes[i].getBitsPerPixel() >= 16 ) {
mode = i;
break;
}
}
if ( mode != -1 ) {
//select above found displaymode
System.out.println("Setting display mode to " + modes[mode]);
Display.setDisplayMode(modes[mode]);
System.out.println("Created display.");
}
} catch (Exception e) {
System.err.println("Failed to create display due to " + e);
}
}
static {
try {
Display.createES();
System.out.println("Created OpenGL.");
if ( !GLContext.getCapabilities().GL_OES_mapbuffer ) {
System.out.println("GL_OES_mapbuffer is not supported, quitting!");
System.exit(0);
}
} catch (Exception e) {
System.err.println("Failed to create OpenGL due to " + e);
System.exit(1);
}
}
/** Is the game finished? */
private static boolean finished;
/** A rotating square! */
private static float angle;
private static int buffer_id;
private static int indices_buffer_id;
private static FloatBuffer vertices;
private static ByteBuffer mapped_buffer;
private static FloatBuffer mapped_float_buffer;
private static IntBuffer indices;
private static ByteBuffer mapped_indices_buffer;
private static IntBuffer mapped_indices_int_buffer;
private static QuadRenderer renderer;
public static void main(String[] arguments) {
try {
init();
while ( !finished ) {
Display.update();
Display.sync(30);
if ( !Display.isVisible() )
Thread.sleep(200);
else if ( Display.isCloseRequested() )
System.exit(0);
mainLoop();
render();
}
} catch (Throwable t) {
t.printStackTrace();
} finally {
cleanup();
}
System.exit(0);
}
/** All calculations are done in here */
private static void mainLoop() {
angle += 1f;
if ( angle > 360.0f )
angle = 0.0f;
if ( Mouse.getDX() != 0 || Mouse.getDY() != 0 || Mouse.getDWheel() != 0 )
System.out.println("Mouse moved " + Mouse.getDX() + " " + Mouse.getDY() + " " + Mouse.getDWheel());
for ( int i = 0; i < Mouse.getButtonCount(); i++ )
if ( Mouse.isButtonDown(i) )
System.out.println("Button " + i + " down");
if ( Keyboard.isKeyDown(Keyboard.KEY_ESCAPE) )
finished = true;
for ( int i = 0; i < Keyboard.getNumKeyboardEvents(); i++ ) {
Keyboard.next();
if ( Keyboard.getEventKey() == Keyboard.KEY_ESCAPE && Keyboard.getEventKeyState() )
finished = true;
if ( Keyboard.getEventKey() == Keyboard.KEY_T && Keyboard.getEventKeyState() )
System.out.println("Current time: " + Sys.getTime());
}
}
/** All rendering is done in here */
private static void render() {
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
glTranslatef(Display.getDisplayMode().getWidth() / 2, Display.getDisplayMode().getHeight() / 2, 0.0f);
glRotatef(angle, 0, 0, 1.0f);
renderer.setMVPUniform();
ByteBuffer new_mapped_buffer = glMapBufferOES(GL_ARRAY_BUFFER, GL_WRITE_ONLY_OES, mapped_buffer);
if ( new_mapped_buffer != mapped_buffer ) {
mapped_buffer = new_mapped_buffer;
mapped_float_buffer = new_mapped_buffer.asFloatBuffer();
}
new_mapped_buffer = glMapBufferOES(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY_OES, mapped_indices_buffer);
if ( new_mapped_buffer != mapped_indices_buffer ) {
mapped_indices_buffer = new_mapped_buffer;
mapped_indices_int_buffer = new_mapped_buffer.asIntBuffer();
}
mapped_float_buffer.rewind();
vertices.rewind();
mapped_float_buffer.put(vertices);
mapped_indices_int_buffer.rewind();
indices.rewind();
mapped_indices_int_buffer.put(indices);
if ( glUnmapBufferOES(GL_ARRAY_BUFFER) &&
glUnmapBufferOES(GL_ELEMENT_ARRAY_BUFFER) ) {
glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_INT, 0);
}
glPopMatrix();
}
/** Initialize */
private static void init() throws Exception {
System.out.println("Timer resolution: " + Sys.getTimerResolution());
// Go into orthographic projection mode.
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, Display.getDisplayMode().getWidth(), 0, Display.getDisplayMode().getHeight(), -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glViewport(0, 0, Display.getDisplayMode().getWidth(), Display.getDisplayMode().getHeight());
final IntBuffer int_buffer = BufferUtils.createIntBuffer(2);
glGenBuffers(int_buffer);
buffer_id = int_buffer.get(0);
indices_buffer_id = int_buffer.get(1);
glBindBuffer(GL_ARRAY_BUFFER, buffer_id);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indices_buffer_id);
vertices = BufferUtils.createFloatBuffer(2 * 4);
vertices
.put(-50).put(-50)
.put(50).put(-50)
.put(-50).put(50)
.put(50).put(50);
vertices.rewind();
indices = BufferUtils.createIntBuffer(4);
indices.put(0).put(1).put(2).put(3);
indices.rewind();
glBufferData(GL_ARRAY_BUFFER, 2 * 4 * 4, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, 4 * 4, GL_STREAM_DRAW);
renderer = new QuadRenderer();
}
/** Cleanup */
private static void cleanup() {
renderer.cleanup();
IntBuffer int_buffer = BufferUtils.createIntBuffer(2);
int_buffer.put(0, buffer_id);
int_buffer.put(1, indices_buffer_id);
glDeleteBuffers(int_buffer);
Display.destroy();
}
}