/** Regenerates any dirty mimaps. */
public void regenerateMipmaps() {
if (mipmapDirty) {
ByteBuffer data1 =
BufferUtils.createByteBuffer(size.getWidth() * size.getHeight() * format.bytes);
ByteBuffer data = data1;
GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
// read the texture out
GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, format.glFormat, GL11.GL_UNSIGNED_BYTE, data);
data.rewind();
// regenerate the mipmaps
GLU.gluBuild2DMipmaps(
GL11.GL_TEXTURE_2D,
format.glInternalFormat,
size.getWidth(),
size.getHeight(),
format.glFormat,
GL11.GL_UNSIGNED_BYTE,
data);
mipmapDirty = false;
}
}
/** @see org.newdawn.slick.opengl.ImageData#getImageBufferData() */
public ByteBuffer getImageBufferData() {
ByteBuffer scratch = BufferUtils.createByteBuffer(rawData.length);
scratch.put(rawData);
scratch.flip();
return scratch;
}
class TimerLinux {
private final ByteBuffer time =
BufferUtils.createByteBuffer(Math.max(timespec.SIZEOF, timeval.SIZEOF));
private final TimeSource timeSource;
private long base;
TimerLinux() {
if (clock_gettime(CLOCK_MONOTONIC, time) == 0) {
timeSource =
new TimeSource() {
@Override
public double getResolution() {
return 1e-9;
}
@Override
public long getRawTime() {
clock_gettime(CLOCK_MONOTONIC, time);
return timespec.sec(time) * 1000000000L + timespec.nsec(time);
}
};
} else {
timeSource =
new TimeSource() {
@Override
public double getResolution() {
return 1e-6;
}
@Override
public long getRawTime() {
gettimeofday(time, null);
return timeval.sec(time) * 1000000L + timeval.usec(time);
}
};
}
}
public void init() {
base = timeSource.getRawTime();
}
public double getTime() {
return (double) (timeSource.getRawTime() - base) * timeSource.getResolution();
}
public void setTime(double time) {
base = timeSource.getRawTime() - (long) (time / timeSource.getResolution());
}
private interface TimeSource {
double getResolution();
long getRawTime();
}
}
public void setupQuad() {
// We'll define our quad using 4 vertices of the custom 'Vertex' class
Vertex v0 = new Vertex();
v0.setXYZ(-0.5f, 0.5f, 0f);
v0.setRGB(1, 0, 0);
Vertex v1 = new Vertex();
v1.setXYZ(-0.5f, -0.5f, 0f);
v1.setRGB(0, 1, 0);
Vertex v2 = new Vertex();
v2.setXYZ(0.5f, -0.5f, 0f);
v2.setRGB(0, 0, 1);
Vertex v3 = new Vertex();
v3.setXYZ(0.5f, 0.5f, 0f);
v3.setRGB(1, 1, 1);
Vertex[] vertices = new Vertex[] {v0, v1, v2, v3};
// Put each 'Vertex' in one FloatBuffer
FloatBuffer verticesBuffer =
BufferUtils.createFloatBuffer(vertices.length * Vertex.elementCount);
for (int i = 0; i < vertices.length; i++) {
verticesBuffer.put(vertices[i].getXYZW());
verticesBuffer.put(vertices[i].getRGBA());
}
verticesBuffer.flip();
// OpenGL expects to draw vertices in counter clockwise order by default
byte[] indices = {
0, 1, 2,
2, 3, 0
};
indicesCount = indices.length;
ByteBuffer indicesBuffer = BufferUtils.createByteBuffer(indicesCount);
indicesBuffer.put(indices);
indicesBuffer.flip();
// Create a new Vertex Array Object in memory and select it (bind)
vaoId = GL30.glGenVertexArrays();
GL30.glBindVertexArray(vaoId);
// Create a new Vertex Buffer Object in memory and select it (bind)
vboId = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticesBuffer, GL15.GL_STATIC_DRAW);
// Put the positions in attribute list 0
GL20.glVertexAttribPointer(0, 4, GL11.GL_FLOAT, false, Vertex.sizeInBytes, 0);
// Put the colors in attribute list 1
GL20.glVertexAttribPointer(
1, 4, GL11.GL_FLOAT, false, Vertex.sizeInBytes, Vertex.elementBytes * 4);
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
// Deselect (bind to 0) the VAO
GL30.glBindVertexArray(0);
// Create a new VBO for the indices and select it (bind) - INDICES
vboiId = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}
public OpenALAudioDevice(
OpenALAudio audio, int sampleRate, boolean isMono, int bufferSize, int bufferCount) {
this.audio = audio;
channels = isMono ? 1 : 2;
this.bufferSize = bufferSize;
this.bufferCount = bufferCount;
this.format = channels > 1 ? AL_FORMAT_STEREO16 : AL_FORMAT_MONO16;
this.sampleRate = sampleRate;
secondsPerBuffer = (float) bufferSize / bytesPerSample / channels / sampleRate;
tempBuffer = BufferUtils.createByteBuffer(bufferSize);
}
public void setupVIBO() {
ByteBuffer indexBuffer = BufferUtils.createByteBuffer(indexElementCount * getNumObjects());
for (int i = 0; i < getNumObjects(); ++i) {
indexBuffer.put(Rectangle.getOrder(4 * i));
}
indexBuffer.flip();
setVIBO(GL15.glGenBuffers());
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, getVIBO());
GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indexBuffer, GL15.GL_DYNAMIC_DRAW);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}
static Texture createSampleTexture() {
ByteBuffer byteBuffer = BufferUtils.createByteBuffer(256 * 256 * 4);
for (int y = 0; y < 256; y++) {
for (int x = 0; x < 256; x++) {
byte b = (byte) (x ^ y);
byteBuffer.put(b).put(b).put(b).put(b);
}
}
ByteBuffer[][] pixels = {{byteBuffer}};
return new Texture(TextureType.TEXTURE_2D, 4, 256, 256, 0, Format.BGRA, pixels, false, false);
}
public Texture(URI pngRef, int filter, int wrap) throws IOException {
InputStream input = null;
try {
// get an InputStream from our URL
input = pngRef.toURL().openStream();
// initialize the decoder
PNGDecoder dec = new PNGDecoder(input);
// set up image dimensions
width = dec.getWidth();
height = dec.getHeight();
// we are using RGBA, i.e. 4 components or "bytes per pixel"
final int bpp = 4;
// create a new byte buffer which will hold our pixel data
ByteBuffer buf = BufferUtils.createByteBuffer(bpp * width * height);
// decode the image into the byte buffer, in RGBA format
dec.decode(buf, width * bpp, PNGDecoder.Format.RGBA);
// flip the buffer into "read mode" for OpenGL
buf.flip();
// enable textures and generate an ID
glEnable(target);
id = glGenTextures();
// bind texture
bind();
// setup unpack mode
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
// setup parameters
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, filter);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, filter);
glTexParameteri(target, GL_TEXTURE_WRAP_S, wrap);
glTexParameteri(target, GL_TEXTURE_WRAP_T, wrap);
// pass RGBA data to OpenGL
glTexImage2D(target, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, buf);
} finally {
if (input != null) {
try {
input.close();
} catch (IOException e) {
}
}
}
}
private void init() {
if (glfwInit() != GL_TRUE) {
System.err.println("Could not initialize GLFW!");
return;
}
glfwWindowHint(GLFW_SAMPLES, 4);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
OSCompatibility.GLFWSpecifics();
window = glfwCreateWindow(width, height, "Voxel Engine", NULL, NULL);
if (window == NULL) {
System.err.println("Could not create GLFW window!");
return;
}
// Compatibility for screen with 1:X | X =/= 1 ratio
ByteBuffer FBW = BufferUtils.createByteBuffer(4), FBH = BufferUtils.createByteBuffer(4);
glfwGetFramebufferSize(window, FBW, FBH);
pix_width = FBW.getInt(0);
pix_height = FBH.getInt(0);
InitWindow();
InitGL();
}
private void setupQuad() {
IndexedMemoryFast<Pos4> mem = Pos4.reserveFast(10, false);
mem.add(new Pos4().xyzw(-0.5f, 0.5f, 0f, 1f));
mem.add(new Pos4().xyzw(-0.5f, -0.5f, 0f, 1f));
mem.add(new Pos4().xyzw(0.5f, -0.5f, 0f, 1f));
mem.add(new Pos4().xyzw(0.5f, 0.5f, 0f, 1f));
// RawMemory colors = new RawMemory(30);
IndexedMemoryFast<Color4> colors = Color4.reserveFast(10, false);
colors.add(new Color4().rgba(1f, 0f, 0f, 1f));
colors.add(new Color4().rgba(0f, 1f, 0f, 1f));
colors.add(new Color4().rgba(0f, 0f, 1f, 1f));
colors.add(new Color4().rgba(1f, 1f, 1f, 1f));
// OpenGL expects to draw vertices in counter clockwise order by default
byte[] indices = {0, 1, 2, 2, 3, 0};
indicesCount = indices.length;
ByteBuffer indicesBuffer = BufferUtils.createByteBuffer(indicesCount);
indicesBuffer.put(indices);
indicesBuffer.flip();
// Create a new Array Array Object in memory and select it (bind)
vaoId = glCreateVertexArrays();
glBindVertexArray(vaoId);
// Create a new Array Buffer Object in memory and select it (bind) - VERTICES
vboId = glCreateBuffers();
glBindBuffer(GL_ARRAY_BUFFER, vboId);
glBufferData(GL_ARRAY_BUFFER, mem.burn().getArrayBuffer(), GL_STATIC_DRAW);
glVertexAttribPointer(0, 4, GL_FLOAT, false, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
// Create a new VBO for the indices and select it (bind) - COLORS
vbocId = glCreateBuffers();
glBindBuffer(GL_ARRAY_BUFFER, vbocId);
glBufferData(GL_ARRAY_BUFFER, colors.burn().getArrayBuffer(), GL_STATIC_DRAW);
glVertexAttribPointer(1, 4, GL_FLOAT, false, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
// Deselect (bind to 0) the VAO
glBindVertexArray(0);
// Create a new VBO for the indices and select it (bind) - INDICES
vboiId = glCreateBuffers();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vboiId);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
protected final void enableClipping(int yTop, int yBottom) {
if (doubleBuffer == null) {
doubleBuffer = BufferUtils.createByteBuffer(32).asDoubleBuffer();
}
doubleBuffer.clear();
doubleBuffer.put(0).put(1).put(0).put(-yTop).flip();
glClipPlane(GL_CLIP_PLANE0, doubleBuffer);
doubleBuffer.clear();
doubleBuffer.put(0).put(-1).put(0).put(yBottom).flip();
glClipPlane(GL_CLIP_PLANE1, doubleBuffer);
glEnable(GL_CLIP_PLANE0);
glEnable(GL_CLIP_PLANE1);
}
private static boolean printLogInfo(int obj) {
IntBuffer iVal = BufferUtils.createIntBuffer(1);
glGetObjectParameterARB(obj, GL_OBJECT_INFO_LOG_LENGTH_ARB, iVal);
int length = iVal.get();
if (length > 1) {
ByteBuffer infoLog = BufferUtils.createByteBuffer(length);
iVal.flip();
glGetInfoLogARB(obj, iVal, infoLog);
byte[] infoBytes = new byte[length];
infoLog.get(infoBytes);
String out = new String(infoBytes);
System.out.println("Info log:\n" + out);
return false;
}
return true;
}
public GLImage(String _filename) {
try {
BufferedImage image = ImageIO.read(this.getClass().getResource("/textures/" + _filename));
int[] pixels = new int[image.getWidth() * image.getHeight()];
image.getRGB(0, 0, image.getWidth(), image.getHeight(), pixels, 0, image.getWidth());
ByteBuffer buffer =
BufferUtils.createByteBuffer(
image.getWidth() * image.getHeight() * 4); // 4 for RGBA, 3 for RGB
for (int y = 0; y < image.getHeight(); y++) {
for (int x = 0; x < image.getWidth(); x++) {
int pixel = pixels[y * image.getWidth() + x];
buffer.put((byte) ((pixel >> 16) & 0xFF)); // red
buffer.put((byte) ((pixel >> 8) & 0xFF)); // green
buffer.put((byte) (pixel & 0xFF)); // blue
buffer.put((byte) ((pixel >> 24) & 0xFF)); // alpha
}
}
buffer.flip();
this.id = GL11.glGenTextures(); // Generate texture ID
GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.id); // Bind texture ID
// Setup wrap mode
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
// Setup texture scaling filtering
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
// Send texel data to OpenGL
GL11.glTexImage2D(
GL11.GL_TEXTURE_2D,
0,
GL11.GL_RGBA8,
image.getWidth(),
image.getHeight(),
0,
GL11.GL_RGBA,
GL11.GL_UNSIGNED_BYTE,
buffer);
this.width = image.getWidth();
this.height = image.getHeight();
} catch (IOException e) {
e.printStackTrace();
}
}
private static boolean printLogInfo(int obj, String filename) {
IntBuffer iVal = BufferUtils.createIntBuffer(1);
ARBShaderObjects.glGetObjectParameterARB(
obj, ARBShaderObjects.GL_OBJECT_INFO_LOG_LENGTH_ARB, iVal);
int length = iVal.get();
if (length > 1) {
// We have some info we need to output.
ByteBuffer infoLog = BufferUtils.createByteBuffer(length);
iVal.flip();
ARBShaderObjects.glGetInfoLogARB(obj, iVal, infoLog);
byte[] infoBytes = new byte[length];
infoLog.get(infoBytes);
String out = new String(infoBytes);
System.out.println("Info log for " + filename + ":\n" + out);
} else return true;
return false;
}
private void recreate() {
id = GL11.glGenTextures();
GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, format.bytes);
ByteBuffer data =
BufferUtils.createByteBuffer(size.getWidth() * size.getHeight() * format.bytes);
if (mipmap) {
GLU.gluBuild2DMipmaps(
GL11.GL_TEXTURE_2D,
format.glInternalFormat,
size.getWidth(),
size.getHeight(),
format.glFormat,
GL11.GL_UNSIGNED_BYTE,
data);
} else {
GL11.glTexImage2D(
GL11.GL_TEXTURE_2D,
0,
format.glInternalFormat,
size.getWidth(),
size.getHeight(),
0,
format.glFormat,
GL11.GL_UNSIGNED_BYTE,
data);
}
GLUtil.checkGLError();
for (Texture t : residentTextures) {
RectanglePacker.Rectangle rpr = packer.findRectangle(t.getSourceImage());
if (rpr != null) {
writeToTexture(rpr, t.getSourceImage().getData());
}
}
regenerateMipmaps();
}
/**
* The constructor that creates the font from the given file at the given height.
*
* @param filePath - The path to file including the file type
* @param fontHeight - The height (size) of the font
*/
public TrueTypeFont(String filePath, int fontHeight) {
this.fontHeight = fontHeight;
long startTime = 0L;
if (Debug.enabled) startTime = System.nanoTime();
textureID = glGenTextures();
cdata = STBTTBakedChar.mallocBuffer(96);
try {
ByteBuffer ttf = IOUtil.ioResourceToByteBuffer(filePath, 160 * 1024);
ByteBuffer bitmap = BufferUtils.createByteBuffer(BITMAP_W * BITMAP_H);
STBTruetype.stbtt_BakeFontBitmap(ttf, fontHeight, bitmap, BITMAP_W, BITMAP_H, 32, cdata);
glBindTexture(GL_TEXTURE_2D, textureID);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_ALPHA, BITMAP_W, BITMAP_H, 0, GL_ALPHA, GL_UNSIGNED_BYTE, bitmap);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
} catch (IOException e) {
throw new RuntimeException(e);
}
xbuf = BufferUtils.createFloatBuffer(1);
ybuf = BufferUtils.createFloatBuffer(1);
quad = STBTTAlignedQuad.malloc();
if (Debug.enabled) {
long endTime = System.nanoTime();
Debug.println(
" Loaded font: "
+ filePath
+ "\n\tFont height: "
+ fontHeight
+ "px"
+ "\n\tLoad time: "
+ Debug.noNotation.format((endTime - startTime) / 1000000000.0)
+ "s",
Debug.ANSI_CYAN);
}
}
/**
* Convert BufferedImage to ByteBuffer
*
* @param image The BufferedImage to convert
* @return The converted image
*/
private ByteBuffer toByteBuffer(BufferedImage image) {
int[] pixels = new int[image.getWidth() * image.getHeight()];
image.getRGB(0, 0, image.getWidth(), image.getHeight(), pixels, 0, image.getWidth());
ByteBuffer buffer =
BufferUtils.createByteBuffer(
image.getWidth() * image.getHeight() * 4); // 4 for RGBA, 3 for RGB
for (int y = 0; y < image.getHeight(); y++) {
for (int x = 0; x < image.getWidth(); x++) {
int pixel = pixels[y * image.getWidth() + x];
buffer.put((byte) ((pixel >> 16) & 0xFF)); // Red component
buffer.put((byte) ((pixel >> 8) & 0xFF)); // Green component
buffer.put((byte) (pixel & 0xFF)); // Blue component
buffer.put((byte) ((pixel >> 24) & 0xFF)); // Alpha component. Only for RGBA
}
}
buffer.flip(); // FOR THE LOVE OF GOD DO NOT FORGET THIS
return buffer;
}
/**
* Sets one or more icons for the Display.
*
* <ul>
* <li>On Windows you should supply at least one 16x16 icon and one 32x32.
* <li>Linux (and similar platforms) expect one 32x32 icon.
* <li>Mac OS X should be supplied one 128x128 icon
* </ul>
*
* The implementation will use the supplied ByteBuffers with image data in RGBA (size must be a
* power of two) and perform any conversions nescesarry for the specific platform.
*
* <p><b>NOTE:</b> The display will make a deep copy of the supplied byte buffer array, for the
* purpose of recreating the icons when you go back and forth fullscreen mode. You therefore only
* need to set the icon once per instance.
*
* @param icons Array of icons in RGBA mode. Pass the icons in order of preference.
* @return number of icons used, or 0 if display hasn't been created
*/
public static int setIcon(ByteBuffer[] icons) {
synchronized (GlobalLock.lock) {
// make deep copy so we dont rely on the supplied buffers later on
// don't recache!
if (cached_icons != icons) {
cached_icons = new ByteBuffer[icons.length];
for (int i = 0; i < icons.length; i++) {
cached_icons[i] = BufferUtils.createByteBuffer(icons[i].capacity());
int old_position = icons[i].position();
cached_icons[i].put(icons[i]);
icons[i].position(old_position);
cached_icons[i].flip();
}
}
if (Display.isCreated() && parent == null) {
return display_impl.setIcon(cached_icons);
} else {
return 0;
}
}
}
public BufferTexture(BufferedImage image) {
int[] pixels = new int[image.getWidth() * image.getHeight()];
image.getRGB(0, 0, image.getWidth(), image.getHeight(), pixels, 0, image.getWidth());
ByteBuffer buffer = BufferUtils.createByteBuffer(image.getWidth() * image.getHeight() * 4);
for (int y = 0; y < image.getHeight(); y++) {
for (int x = 0; x < image.getWidth(); x++) {
int pixel = pixels[(y * image.getWidth()) + x];
buffer.put((byte) ((pixel >> 16) & 0xFF));
buffer.put((byte) ((pixel >> 8) & 0xFF));
buffer.put((byte) (pixel & 0xFF));
buffer.put((byte) ((pixel >> 24) & 0xFF));
}
}
buffer.flip();
this.width = image.getWidth();
this.height = image.getHeight();
this.textureId = GL11.glGenTextures();
GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.textureId);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
GL11.glTexParameterf(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
GL11.glTexImage2D(
GL11.GL_TEXTURE_2D,
0,
GL11.GL_RGBA8,
this.width,
this.height,
0,
GL11.GL_RGBA,
GL11.GL_UNSIGNED_BYTE,
buffer);
}
// Spout Start
public static BufferedImage getScreenshot(int texture, int screenWidth, int screenHeight) {
ByteBuffer buffer = BufferUtils.createByteBuffer(screenWidth * screenHeight * 3);
byte[] pixelData = new byte[screenWidth * screenHeight * 3];
int[] imageData = new int[screenWidth * screenHeight];
buffer.clear();
GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
GL11.glGetTexImage(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, buffer);
buffer.clear();
buffer.get(pixelData);
for (int l = 0; l < screenWidth; l++) {
for (int i1 = 0; i1 < screenHeight; i1++) {
int j1 = l + (screenHeight - i1 - 1) * screenWidth;
int k1 = pixelData[j1 * 3 + 0] & 0xff;
int l1 = pixelData[j1 * 3 + 1] & 0xff;
int i2 = pixelData[j1 * 3 + 2] & 0xff;
int j2 = 0xff000000 | k1 << 16 | l1 << 8 | i2;
imageData[l + i1 * screenWidth] = j2;
}
}
BufferedImage bufferedimage = new BufferedImage(screenWidth, screenHeight, 1);
bufferedimage.setRGB(0, 0, screenWidth, screenHeight, imageData, 0, screenWidth);
return bufferedimage;
}
private void verifyCompile(int shaderId) {
IntBuffer intBuffer = BufferUtils.createIntBuffer(1);
GL20.glGetShader(shaderId, GL20.GL_INFO_LOG_LENGTH, intBuffer);
int length = intBuffer.get();
if (length <= 1) {
return;
}
valid = false;
ByteBuffer infoBuffer = BufferUtils.createByteBuffer(length);
intBuffer.flip();
GL20.glGetShaderInfoLog(shaderId, intBuffer, infoBuffer);
int actualLength = intBuffer.get();
byte[] infoBytes = new byte[actualLength];
infoBuffer.get(infoBytes);
logger.log(Level.INFO, "{0}", new String(infoBytes));
}
protected BackgroundLoader() {
running = true;
texture = BufferUtils.createByteBuffer(WIDTH * HEIGHT * 3);
}
/**
* Returns a new {@link java.nio.ByteBuffer} instance with a capacity equal to {@link #SIZEOF}.
*/
public static ByteBuffer malloc() {
return BufferUtils.createByteBuffer(SIZEOF);
}
public static void main(String[] args) throws Exception {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.create();
Shape baseBox = new Shape(VertexDataUtils.createBox(new Vec3(-1, 1, -1), new Vec3(1, 3, 1)));
Texture baseTexture = SGUtil.createTexture(GL11.GL_RGBA, 128, 128);
RenderTarget baseTarget =
new RenderTarget(128, 128, new DepthBuffer(GL30.GL_DEPTH24_STENCIL8), false, baseTexture);
RenderPass basePass = new RenderPass();
basePass.setClearMask(GL11.GL_DEPTH_BUFFER_BIT | GL11.GL_COLOR_BUFFER_BIT);
basePass.setClearColor(new Color4f(0, 1, 1, 0));
basePass.setView(View.createPerspective((float) Math.PI / 4f, 1, 0.1f, 100f));
basePass
.getView()
.setCameraMatrix(new Mat4().rotateEulerDeg(-30, 0, 0).translate(0, 0, 10).invert_());
basePass.setRenderTarget(baseTarget);
basePass.addShape(
new Shape(VertexDataUtils.createBox(new Vec3(-4, -1, -4), new Vec3(4, 0, 4))));
basePass.addShape(baseBox);
int w = 256;
int h = 256;
ByteBuffer[][] pixels = {{BufferUtils.createByteBuffer(w * h * 4)}};
Texture shadowTexture =
new Texture(
TextureType.TEXTURE_2D, GL30.GL_RG32F, w, h, 0, Format.RGBA, pixels, false, false);
shadowTexture.setWrapS(Wrap.CLAMP_TO_EDGE);
shadowTexture.setWrapT(Wrap.CLAMP_TO_EDGE);
// shadowTexture.setMinFilter(MinFilter.LINEAR_MIPMAP_LINEAR);
shadowTexture.setMaxAnisotropy(4f);
RenderTarget shadowTarget =
new RenderTarget(w, h, new DepthBuffer(GL11.GL_DEPTH_COMPONENT), false, shadowTexture);
RenderPass shadowPass = new RenderPass();
shadowPass.setClearMask(GL11.GL_DEPTH_BUFFER_BIT | GL11.GL_COLOR_BUFFER_BIT);
shadowPass.setClearColor(new Color4f(0, 0, 1, 0));
shadowPass.setView(View.createPerspective((float) Math.PI / 4f, 1, 0.1f, 100f));
shadowPass.setRenderTarget(shadowTarget);
shadowPass.addShape(
new Shape(VertexDataUtils.createBox(new Vec3(-4, -1, -4), new Vec3(4, 0, 4))));
shadowPass.addShape(
new Shape(VertexDataUtils.createBox(new Vec3(-1, 1, -1), new Vec3(1, 3, 1))));
shadowPass
.getView()
.setCameraMatrix(new Mat4().rotateEulerDeg(-90 - 45, 120, 0).translate(0, 0, 10).invert_());
Shape baseShape = new Shape(VertexDataUtils.createQuad(50, 100 + 256, 256, -256, 0));
baseShape.getState().setUnit(0, new Unit(baseTexture));
Shape shadowShape = new Shape(VertexDataUtils.createQuad(350, 100, 256, 256, 0));
shadowShape.getState().setUnit(0, new Unit(shadowTexture));
RenderPass finalPass = new RenderPass();
finalPass.setClearMask(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
finalPass.setClearColor(new Color4f(1, 1, 0, 0));
finalPass.setView(View.createOrtho(0, 640, 0, 480, -1000, 1000));
finalPass.addShape(baseShape);
finalPass.addShape(shadowShape);
// Texture testTexture = createSampleTexture();
shadowStuff(basePass, shadowPass, shadowTexture);
ByteBuffer[][] blurPixels = {{BufferUtils.createByteBuffer(128 * 128 * 4)}};
Texture blurTexture =
new Texture(
TextureType.TEXTURE_2D,
GL30.GL_RG32F,
128,
128,
0,
Format.RGBA,
blurPixels,
false,
false);
blurTexture.setWrapS(Wrap.CLAMP_TO_EDGE);
blurTexture.setWrapT(Wrap.CLAMP_TO_EDGE);
SceneGraph finalSceneGraph = new SceneGraph();
finalSceneGraph.addRenderPass(shadowPass);
finalSceneGraph.addRenderPass(
Blur.createPass(shadowTexture, blurTexture, 1.5f / shadowTexture.getWidth(), 0f));
finalSceneGraph.addRenderPass(
Blur.createPass(blurTexture, shadowTexture, 0, 1.5f / shadowTexture.getWidth()));
finalSceneGraph.addRenderPass(basePass);
finalSceneGraph.addRenderPass(finalPass);
Renderer finalRenderer = new Renderer(finalSceneGraph);
int angle = 0;
long startTime = System.currentTimeMillis();
while (!Display.isCloseRequested()) {
if (Mouse.isButtonDown(0)) {
angle += Mouse.getDX();
}
// shadowPass.getView().setCameraMatrix(new Mat4().rotateEulerDeg(-90 - 45, angle,
// 0).translate(0, 0, 14).invert_());
// basePass.getView().setCameraMatrix(new Mat4().rotateEulerDeg(-30, angle, 0).translate(0,
// 0, 10).invert_());
float timeSec = (System.currentTimeMillis() - startTime) / 1000f;
baseBox.setModelMatrix(
new Mat4()
.rotateEulerDeg(0, timeSec * 45, 0)
.translate(0, Math.sin(timeSec * 1.7f) * 2, 0));
for (int i = 0; i < basePass.getShapeCount(); i++) {
shadowPass.getShape(i).setModelMatrix(basePass.getShape(i).getModelMatrix());
}
// shadowRenderer.render();
finalRenderer.render();
Display.update();
}
Display.destroy();
}
public class ClientRenderTexture extends ClientTexture {
public static final int INVALID_BUFFER = -1;
public static final int SCREEN_BUFFER = 0;
public static ByteBuffer EMPTY_BUFFER = BufferUtils.createByteBuffer(0);
private int framebuffer = INVALID_BUFFER;
private boolean useDepthBuffer = false;
private boolean useStencilBuffer = false;
int depthTarget = INVALID_BUFFER;
int stencilTarget = INVALID_BUFFER; // TODO: Implement stencil component
boolean useEXT = false;
public ClientRenderTexture() {
super(
null,
(int) ((SpoutClient) Spout.getEngine()).getResolution().getX(),
(int) ((SpoutClient) Spout.getEngine()).getResolution().getY());
// Detect which path we should use to create framebuffers.
// if both of these are false, we cannot use framebuffers so throw an exception
boolean arb = GLContext.getCapabilities().GL_ARB_framebuffer_object;
boolean ext = GLContext.getCapabilities().GL_EXT_framebuffer_object;
if (!arb && !ext) throw new ComputerIsPotatoException("Does not support Framebuffers");
// if arb is false, use ext
if (!arb) useEXT = true;
Spout.log("Using EXT: " + useEXT);
}
public ClientRenderTexture(boolean depth) {
this();
useDepthBuffer = true;
}
@Override
public Texture subTexture(int x, int y, int w, int h) {
// TODO Auto-generated method stub
return null;
}
public void activate() {
if (framebuffer == INVALID_BUFFER) return; // Can't set this to active if it's not created yet
if (useEXT)
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
else GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
GL11.glViewport(0, 0, width, height);
}
public void release() {
if (framebuffer != INVALID_BUFFER) {
if (useEXT)
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, SCREEN_BUFFER);
else GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
GL11.glViewport(0, 0, width, height);
}
}
@Override
public void writeGPU() {
if (framebuffer != INVALID_BUFFER)
throw new IllegalStateException("Framebuffer already created!");
// Create the color buffer for this renderTexture
textureID = GL11.glGenTextures();
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
GL11.glTexImage2D(
GL11.GL_TEXTURE_2D,
0,
GL11.GL_RGBA8,
width,
height,
0,
GL11.GL_RGBA,
GL11.GL_INT,
(java.nio.ByteBuffer) null); // Create the texture data
if (useEXT) {
framebuffer = EXTFramebufferObject.glGenFramebuffersEXT();
EXTFramebufferObject.glBindFramebufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT, framebuffer);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
EXTFramebufferObject.glFramebufferTexture2DEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT,
GL11.GL_TEXTURE_2D,
textureID,
0);
if (useDepthBuffer) {
depthTarget = GL30.glGenRenderbuffers();
EXTFramebufferObject.glBindRenderbufferEXT(
EXTFramebufferObject.GL_RENDERBUFFER_EXT, depthTarget);
EXTFramebufferObject.glRenderbufferStorageEXT(
EXTFramebufferObject.GL_RENDERBUFFER_EXT,
GL11.GL_DEPTH_COMPONENT,
this.getWidth(),
this.getHeight());
EXTFramebufferObject.glFramebufferRenderbufferEXT(
EXTFramebufferObject.GL_FRAMEBUFFER_EXT,
GL30.GL_DEPTH_ATTACHMENT,
EXTFramebufferObject.GL_RENDERBUFFER_EXT,
depthTarget);
}
if (EXTFramebufferObject.glCheckFramebufferStatusEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT)
!= EXTFramebufferObject.GL_FRAMEBUFFER_COMPLETE_EXT) {
System.out.println("ERROR: Framebuffer not complete");
throw new ComputerIsPotatoException("Framebuffer not complete");
}
} else {
framebuffer = GL30.glGenFramebuffers();
GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, framebuffer);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
GL30.glFramebufferTexture2D(
GL30.GL_FRAMEBUFFER, GL30.GL_COLOR_ATTACHMENT0, GL11.GL_TEXTURE_2D, textureID, 0);
if (useDepthBuffer) {
depthTarget = GL30.glGenRenderbuffers();
GL30.glBindRenderbuffer(GL30.GL_RENDERBUFFER, depthTarget);
GL30.glRenderbufferStorage(
GL30.GL_RENDERBUFFER, GL11.GL_DEPTH_COMPONENT, this.getWidth(), this.getHeight());
GL30.glFramebufferRenderbuffer(
GL30.GL_FRAMEBUFFER, GL30.GL_DEPTH_ATTACHMENT, GL30.GL_RENDERBUFFER, depthTarget);
}
GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, SCREEN_BUFFER);
if (GL30.glCheckFramebufferStatus(GL30.GL_FRAMEBUFFER) != GL30.GL_FRAMEBUFFER_COMPLETE) {
System.out.println("ERROR: Framebuffer not complete");
throw new ComputerIsPotatoException("Framebuffer not complete");
}
}
GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
}
protected boolean isGL30() {
return ((SpoutClient) Spout.getEngine()).getRenderMode() == RenderMode.GL30;
}
@Override
public boolean isLoaded() {
return framebuffer != INVALID_BUFFER;
}
}
public static Geometry generateGalaxyPointGeometry(long seed) {
Random rand = new Random(seed);
/*double[] noiseSeedR = new double[16*16*16];
double[] noiseSeedI = new double[16*16*16];
for(int i = 0; i < noiseSeedR.length; i++) {
noiseSeedR[i] = 2.0 * rand.nextDouble() - 1.0;
noiseSeedI[i] = 2.0 * rand.nextDouble() - 1.0;
}*/
List<Float> starPositions = new ArrayList<Float>();
List<Byte> color = new ArrayList<Byte>();
// Noise noiseSeedR = new Noise(seed),
// noiseSeedI = new Noise(seed ^42l);
int subdivs = 50;
// int starsTotal = 100;
// Go through all sectors
for (float x = 0.5f; x < subdivs; x++) {
for (float y = 0.5f; y < subdivs; y++) {
for (float z = 0.5f; z < subdivs; z++) {
// Amount of stars in this sector
/*int amount = (int) ( (float)starsTotal/subdivs *Math.sin( x/Math.PI +
noise(noiseSeedR, noiseSeedI, x/subdivs, y/subdivs, z/subdivs)
+ 0.5*noise(noiseSeedR, noiseSeedI, 2*x/subdivs, 2*y/subdivs, 2*z/subdivs)
+ 0.25*noise(noiseSeedR, noiseSeedI, 4*x/subdivs, 4*y/subdivs, 4*z/subdivs)
+ 0.125*noise(noiseSeedR, noiseSeedI, 8*x/subdivs, 8*y/subdivs, 8*z/subdivs)) );*/
int amount = 1;
for (int i = 0; i < amount; i++) {
// Put a star in the sector
starPositions.add(((float) x + rand.nextFloat()) / subdivs - 0.5f);
starPositions.add(((float) y + rand.nextFloat()) / subdivs - 0.5f);
starPositions.add(((float) z + rand.nextFloat()) / subdivs - 0.5f);
// TODO: Improve colors
float c = rand.nextFloat();
if (c < 0.1f) {
color.add((byte) 255);
color.add((byte) (210 - (c - 1f)));
color.add((byte) (170 - (c - 1f)));
} else if (c < 0.9f) {
color.add((byte) 255);
color.add((byte) 255);
color.add((byte) 255);
} else {
color.add((byte) (190 * c * c));
color.add((byte) (210 * c));
color.add((byte) 255);
}
}
}
}
}
List<Attribute> attributes = new ArrayList<Attribute>();
Attribute at = new Attribute();
at.buffer = BufferUtils.createFloatBuffer(starPositions.size());
at.name = "position";
at.size = 3;
at.type = Type.FLOAT;
Iterator<Float> fIt = starPositions.iterator();
while (fIt.hasNext()) ((FloatBuffer) at.buffer).put(fIt.next());
at.buffer.flip();
attributes.add(at);
Attribute atColor = new Attribute();
atColor.buffer = BufferUtils.createByteBuffer(color.size());
atColor.name = "color";
atColor.normalized = true;
atColor.size = 3;
atColor.type = Type.UBYTE;
Iterator<Byte> fItC = color.iterator();
while (fItC.hasNext()) ((ByteBuffer) atColor.buffer).put(fItC.next());
atColor.buffer.flip();
attributes.add(atColor);
// TODO: Are the indices needed?
int amountOfStars = starPositions.size() / 3;
IntBuffer indices = BufferUtils.createIntBuffer(amountOfStars);
for (int i = 0; i < amountOfStars; i++) {
indices.put(i);
}
indices.flip();
return new Geometry(PrimitiveType.POINTS, indices, attributes);
}
@Override
public void onLoad(ALAudioFileInputStream ais) throws Exception {
// header telling this is a wave file
if (ais.readInt() != RIFF_INT) {
throw new Exception("Not a wave file");
}
@SuppressWarnings("unused")
int file_size = ais.readInt() + 8;
if (ais.readInt() != WAVE_INT) {
throw new Exception("Not a wave file");
}
boolean fmt = false;
boolean data = false;
// read block by block
while (ais.available() > 0) {
int id = ais.readInt();
int block_size = ais.readLittleInt();
if (id == FMT_INT) {
if (fmt) {
throw new Exception("Multiple FMT blocks in WAV file");
}
fmt = true;
@SuppressWarnings("unused")
short audio_format = ais.readLittleShort();
short channels = ais.readLittleShort();
System.out.println(channels);
int frequence = ais.readLittleInt();
@SuppressWarnings("unused")
int avg_bytes_per_sec = ais.readLittleInt();
@SuppressWarnings("unused")
short bytes_per_sample = ais.readLittleShort();
short bits_per_sample = ais.readLittleShort();
super.setFrequence(frequence);
if (bits_per_sample == 8) {
if (channels == 1) {
super.setFormat(AL10.AL_FORMAT_MONO8);
} else if (channels == 2) {
super.setFormat(AL10.AL_FORMAT_STEREO8);
} else {
throw new Exception("Wrong number of channels (not supported): " + channels);
}
} else if (bits_per_sample == 16) {
if (channels == 1) {
super.setFormat(AL10.AL_FORMAT_MONO16);
} else if (channels == 2) {
super.setFormat(AL10.AL_FORMAT_STEREO16);
} else {
throw new Exception("Wrong number of channels (not supported): " + channels);
}
} else {
throw new Exception("Wrong bits per sample: " + bits_per_sample);
}
} else if (id == DATA_INT) {
if (data) {
throw new Exception("Multiple data section in WAV file");
}
data = true;
byte[] bytes = new byte[block_size];
ais.read(bytes, 0, block_size);
ByteBuffer buffer = BufferUtils.createByteBuffer(block_size);
buffer.put(bytes);
buffer.flip();
super.setData(buffer);
} else if (block_size >= 0 && block_size <= ais.available()) {
ais.skip(block_size);
} else {
break;
}
}
if (!fmt) {
throw new Exception("No FMT");
}
if (!data) {
throw new Exception("No data");
}
}
// Spout Start - Method renamed from func_74292_a to saveScreenshot
public static String saveScreenshot(
File file, String imageFileName, int screenWidth, int screenHeight) {
ByteBuffer buffer = BufferUtils.createByteBuffer(screenWidth * screenHeight * 3);
byte[] pixelData = new byte[screenWidth * screenHeight * 3];
int[] imageData = new int[screenWidth * screenHeight];
try {
// Spout Start - Renamed from file1
File screenshotsDir = new File(file, "screenshots");
screenshotsDir.mkdir();
// Just intialise it up there!
/*if (buffer == null || buffer.capacity() < i * j) {
buffer = BufferUtils.createByteBuffer(i * j * 3);
}
if (imageData == null || imageData.length < i * j * 3) {
pixelData = new byte[i * j * 3];
imageData = new int[i * j];
}*/
// Use constants instead of magic numbers
GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1);
GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
buffer.clear();
GL11.glReadPixels(
0, 0, screenWidth, screenHeight, GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, buffer);
// Spout End
buffer.clear();
String s1 = (new StringBuilder()).append("").append(dateFormat.format(new Date())).toString();
File file2;
if (imageFileName == null) {
for (int k = 1;
(file2 =
new File(
screenshotsDir,
(new StringBuilder())
.append(s1)
.append(
k != 1
? (new StringBuilder()).append("_").append(k).toString()
: "")
.append(".png")
.toString()))
.exists();
k++) {}
} else {
file2 = new File(screenshotsDir, imageFileName);
}
buffer.get(pixelData);
for (int l = 0; l < screenWidth; l++) {
for (int i1 = 0; i1 < screenHeight; i1++) {
int j1 = l + (screenHeight - i1 - 1) * screenWidth;
int k1 = pixelData[j1 * 3 + 0] & 0xff;
int l1 = pixelData[j1 * 3 + 1] & 0xff;
int i2 = pixelData[j1 * 3 + 2] & 0xff;
int j2 = 0xff000000 | k1 << 16 | l1 << 8 | i2;
imageData[l + i1 * screenWidth] = j2;
}
}
BufferedImage bufferedimage = new BufferedImage(screenWidth, screenHeight, 1);
bufferedimage.setRGB(0, 0, screenWidth, screenHeight, imageData, 0, screenWidth);
ImageIO.write(bufferedimage, "png", file2);
return (new StringBuilder())
.append("Saved screenshot as ")
.append(file2.getName())
.toString();
} catch (Exception exception) {
exception.printStackTrace();
return (new StringBuilder()).append("Failed to save: ").append(exception).toString();
}
}
@Override
public ByteBuffer createByteBuffer(final int size) {
return org.lwjgl.BufferUtils.createByteBuffer(size);
}
/**
* Creates a PixelData buffer with the specified size and format.
*
* <p>Note that Slick currently loads textures with an internal RGBA format; this means that even
* if we upload, say, 2-component (e.g. GRAYALPHA) texture data, it will eventually be stored in
* OpenGL video memory using RGBA. For better performance and memory management, create textures
* with the same internal format as the format given to PixelData. The static 'createTexture'
* utility method is intended for this purpose.
*
* <p>Also note that most drivers will expand formats to RGBA internally, so this optimization may
* not be necessary.
*
* @param width the width in pixels of our data
* @param height the height in pixels of our data
* @param format the desired format to use during uploading (RGB, RGBA, GRAY, GRAYALPHA, ALPHA)
*/
public PixelData(int width, int height, ImageData.Format format) {
this.format = format;
this.width = width;
this.height = height;
this.pixels = BufferUtils.createByteBuffer(width * height * format.getColorComponents());
}
