public void glVertexAttribPointer(
int indx, int size, int type, boolean normalized, int stride, Buffer buffer) {
if (buffer instanceof ByteBuffer) {
if (type == GL_BYTE)
GL20.glVertexAttribPointer(indx, size, false, normalized, stride, (ByteBuffer) buffer);
else if (type == GL_UNSIGNED_BYTE)
GL20.glVertexAttribPointer(indx, size, true, normalized, stride, (ByteBuffer) buffer);
else if (type == GL_SHORT)
GL20.glVertexAttribPointer(
indx, size, false, normalized, stride, ((ByteBuffer) buffer).asShortBuffer());
else if (type == GL_UNSIGNED_SHORT)
GL20.glVertexAttribPointer(
indx, size, true, normalized, stride, ((ByteBuffer) buffer).asShortBuffer());
else if (type == GL_FLOAT)
GL20.glVertexAttribPointer(
indx, size, normalized, stride, ((ByteBuffer) buffer).asFloatBuffer());
else
throw new GdxRuntimeException(
"Can't use "
+ buffer.getClass().getName()
+ " with type "
+ type
+ " with this method. Use ByteBuffer and one of GL_BYTE, GL_UNSIGNED_BYTE, GL_SHORT, GL_UNSIGNED_SHORT or GL_FLOAT for type. Blame LWJGL");
} else
throw new GdxRuntimeException(
"Can't use "
+ buffer.getClass().getName()
+ " with this method. Use ByteBuffer instead. Blame LWJGL");
}
private static void convertTexCoords2D(FloatBuffer input, Buffer output) {
if (output.capacity() < input.capacity())
throw new RuntimeException("Output must be at least as large as input!");
input.clear();
output.clear();
Vector2f temp = new Vector2f();
int vertexCount = input.capacity() / 2;
ShortBuffer sb = null;
IntBuffer ib = null;
if (output instanceof ShortBuffer) sb = (ShortBuffer) output;
else if (output instanceof IntBuffer) ib = (IntBuffer) output;
else throw new UnsupportedOperationException();
for (int i = 0; i < vertexCount; i++) {
BufferUtils.populateFromBuffer(temp, input, i);
if (sb != null) {
sb.put((short) (temp.getX() * Short.MAX_VALUE));
sb.put((short) (temp.getY() * Short.MAX_VALUE));
} else {
int v1 = (int) (temp.getX() * ((float) (1 << 16)));
int v2 = (int) (temp.getY() * ((float) (1 << 16)));
ib.put(v1).put(v2);
}
}
}
/**
* Copies numFloats floats from src starting at offset to dst. Dst is assumed to be a direct
* {@link Buffer}. The method will crash if that is not the case. The position and limit of the
* buffer are ignored, the copy is placed at position 0 in the buffer. After the copying process
* the position of the buffer is set to 0 and its limit is set to numFloats * 4 if it is a
* ByteBuffer and numFloats if it is a FloatBuffer. In case the Buffer is neither a ByteBuffer nor
* a FloatBuffer the limit is not set. This is an expert method, use at your own risk.
*
* @param src the source array
* @param dst the destination buffer, has to be a direct Buffer
* @param numFloats the number of floats to copy
* @param offset the offset in src to start copying from
*/
public static void copy(float[] src, Buffer dst, int numFloats, int offset) {
copyJni(src, dst, numFloats, offset);
dst.position(0);
if (dst instanceof ByteBuffer) dst.limit(numFloats << 2);
else if (dst instanceof FloatBuffer) dst.limit(numFloats);
}
public synchronized int compress(byte[] b, int off, int len) throws IOException {
if (b == null) {
throw new NullPointerException();
}
if (off < 0 || len < 0 || off > b.length - len) {
throw new ArrayIndexOutOfBoundsException();
}
int n = 0;
// Check if there is compressed data
n = compressedDirectBuf.remaining();
if (n > 0) {
n = Math.min(n, len);
((ByteBuffer) compressedDirectBuf).get(b, off, n);
return n;
}
// Re-initialize the zlib's output direct buffer
compressedDirectBuf.rewind();
compressedDirectBuf.limit(directBufferSize);
// Compress data
n = deflateBytesDirect();
compressedDirectBuf.limit(n);
// Get atmost 'len' bytes
n = Math.min(n, len);
((ByteBuffer) compressedDirectBuf).get(b, off, n);
return n;
}
public void toBlind() {
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
vertex.position(0);
gl.glVertexPointer(2, GL10.GL_FLOAT, 2 * 4, vertex);
gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
texture.position(0);
gl.glVertexPointer(2, GL10.GL_SHORT, 2 * 2, texture);
}
@Override
public ByteBuffer asByteBuffer() {
ByteBuffer duplicate = this.byteBuffer.duplicate();
// Explicit access via Buffer base type for compatibility
// with covariant return type on JDK 9's ByteBuffer...
Buffer buffer = duplicate;
buffer.position(this.readPosition);
buffer.limit(this.writePosition);
return duplicate;
}
/** Resets compressor so that a new set of input data can be processed. */
@Override
public synchronized void reset() {
finish = false;
finished = false;
uncompressedDirectBuf.clear();
uncompressedDirectBufLen = 0;
compressedDirectBuf.clear();
compressedDirectBuf.limit(0);
userBufOff = userBufLen = 0;
bytesRead = bytesWritten = 0L;
}
/** Optional, throws GLException if not available in profile */
public final int gluScaleImage(
int format,
int widthin,
int heightin,
int typein,
java.nio.Buffer datain,
int widthout,
int heightout,
int typeout,
java.nio.Buffer dataout) {
validateMipmap();
java.nio.ByteBuffer in = null;
java.nio.ByteBuffer out = null;
in = copyToByteBuffer(datain);
if (dataout instanceof java.nio.ByteBuffer) {
out = (java.nio.ByteBuffer) dataout;
} else if (dataout instanceof java.nio.ShortBuffer) {
out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_SHORT);
} else if (dataout instanceof java.nio.IntBuffer) {
out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_INT);
} else if (dataout instanceof java.nio.FloatBuffer) {
out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_FLOAT);
} else {
throw new IllegalArgumentException(
"Unsupported destination buffer type (must be byte, short, int, or float)");
}
int errno =
Mipmap.gluScaleImage(
getCurrentGL2ES1(),
format,
widthin,
heightin,
typein,
in,
widthout,
heightout,
typeout,
out);
if (errno == 0) {
out.rewind();
if (out != dataout) {
if (dataout instanceof java.nio.ShortBuffer) {
((java.nio.ShortBuffer) dataout).put(out.asShortBuffer());
} else if (dataout instanceof java.nio.IntBuffer) {
((java.nio.IntBuffer) dataout).put(out.asIntBuffer());
} else if (dataout instanceof java.nio.FloatBuffer) {
((java.nio.FloatBuffer) dataout).put(out.asFloatBuffer());
} else {
throw new RuntimeException("Should not reach here");
}
}
}
return (errno);
}
public synchronized void reset() {
checkStream();
reset(stream);
finish = false;
finished = false;
uncompressedDirectBuf.rewind();
uncompressedDirectBufOff = uncompressedDirectBufLen = 0;
compressedDirectBuf.limit(directBufferSize);
compressedDirectBuf.position(directBufferSize);
userBufOff = userBufLen = 0;
}
@Test
public void createBufferTest() {
out.println(" - - - highLevelTest; create buffer test - - - ");
final CLContext context = CLContext.create();
try {
final int size = 6;
final CLBuffer<ByteBuffer> bb = context.createByteBuffer(size);
final CLBuffer<ShortBuffer> sb = context.createShortBuffer(size);
final CLBuffer<IntBuffer> ib = context.createIntBuffer(size);
final CLBuffer<LongBuffer> lb = context.createLongBuffer(size);
final CLBuffer<FloatBuffer> fb = context.createFloatBuffer(size);
final CLBuffer<DoubleBuffer> db = context.createDoubleBuffer(size);
final List<CLMemory<? extends Buffer>> buffers = context.getMemoryObjects();
assertEquals(6, buffers.size());
assertEquals(1, bb.getElementSize());
assertEquals(2, sb.getElementSize());
assertEquals(4, ib.getElementSize());
assertEquals(8, lb.getElementSize());
assertEquals(4, fb.getElementSize());
assertEquals(8, db.getElementSize());
final ByteBuffer anotherNIO = newDirectByteBuffer(2);
for (final CLMemory<? extends Buffer> memory : buffers) {
final CLBuffer<? extends Buffer> buffer = (CLBuffer<? extends Buffer>) memory;
final Buffer nio = buffer.getBuffer();
assertEquals(nio.capacity(), buffer.getCLCapacity());
assertEquals(buffer.getNIOSize(), buffer.getCLSize());
assertEquals(sizeOfBufferElem(nio), buffer.getElementSize());
assertEquals(nio.capacity() * sizeOfBufferElem(nio), buffer.getCLSize());
final CLBuffer<ByteBuffer> clone = buffer.cloneWith(anotherNIO);
assertEquals(buffer.ID, clone.ID);
assertTrue(clone.equals(buffer));
assertTrue(buffer.equals(clone));
assertEquals(buffer.getCLSize(), clone.getCLCapacity());
assertEquals(buffer.getCLSize(), clone.getCLSize());
assertEquals(anotherNIO.capacity(), clone.getNIOCapacity());
}
} finally {
context.release();
}
}
/**
* Allocates hardware buffers on the graphics card and fills them with data if a buffer has not
* already been previously allocated. Note that this function uses the GL_OES_vertex_buffer_object
* extension, which is not guaranteed to be supported on every device.
*
* @param gl A pointer to the OpenGL ES context.
*/
public void generateHardwareBuffers(GL10 gl) {
if (!mUseHardwareBuffers) {
if (gl instanceof GL11) {
GL11 gl11 = (GL11) gl;
int[] buffer = new int[1];
// Allocate and fill the vertex buffer.
gl11.glGenBuffers(1, buffer, 0);
mVertBufferIndex = buffer[0];
gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, mVertBufferIndex);
final int vertexSize = mVertexBuffer.capacity() * mCoordinateSize;
gl11.glBufferData(GL11.GL_ARRAY_BUFFER, vertexSize, mVertexBuffer, GL11.GL_STATIC_DRAW);
// Allocate and fill the texture coordinate buffer.
gl11.glGenBuffers(1, buffer, 0);
mTextureCoordBufferIndex = buffer[0];
gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, mTextureCoordBufferIndex);
final int texCoordSize = mTexCoordBuffer.capacity() * mCoordinateSize;
gl11.glBufferData(GL11.GL_ARRAY_BUFFER, texCoordSize, mTexCoordBuffer, GL11.GL_STATIC_DRAW);
// Allocate and fill the color buffer.
gl11.glGenBuffers(1, buffer, 0);
mColorBufferIndex = buffer[0];
gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, mColorBufferIndex);
final int colorSize = mColorBuffer.capacity() * mCoordinateSize;
gl11.glBufferData(GL11.GL_ARRAY_BUFFER, colorSize, mColorBuffer, GL11.GL_STATIC_DRAW);
// Unbind the array buffer.
gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);
// Allocate and fill the index buffer.
gl11.glGenBuffers(1, buffer, 0);
mIndexBufferIndex = buffer[0];
gl11.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, mIndexBufferIndex);
// A char is 2 bytes.
final int indexSize = mIndexBuffer.capacity() * 2;
gl11.glBufferData(
GL11.GL_ELEMENT_ARRAY_BUFFER, indexSize, mIndexBuffer, GL11.GL_STATIC_DRAW);
// Unbind the element array buffer.
gl11.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, 0);
mUseHardwareBuffers = true;
assert mVertBufferIndex != 0;
assert mTextureCoordBufferIndex != 0;
assert mIndexBufferIndex != 0;
assert gl11.glGetError() == 0;
}
}
}
private void drawElements(int mode, int format, Buffer data) {
GL gl = GLContext.getCurrentGL();
switch (format) {
case GL.GL_UNSIGNED_BYTE:
gl.getGL2().glDrawElements(mode, data.limit(), format, (ByteBuffer) data);
break;
case GL.GL_UNSIGNED_SHORT:
gl.getGL2().glDrawElements(mode, data.limit(), format, (ShortBuffer) data);
break;
case GL.GL_UNSIGNED_INT:
gl.getGL2().glDrawElements(mode, data.limit(), format, (IntBuffer) data);
break;
default:
throw new UnsupportedOperationException();
}
}
/**
* Creates a new compressor.
*
* @param directBufferSize size of the direct buffer to be used.
*/
public SnappyCompressor(int directBufferSize) {
this.directBufferSize = directBufferSize;
uncompressedDirectBuf = ByteBuffer.allocateDirect(directBufferSize);
compressedDirectBuf = ByteBuffer.allocateDirect(directBufferSize);
compressedDirectBuf.position(directBufferSize);
}
public void data(Buffer theData) {
data(
theData.limit() * GLBufferUtil.typeSize(theData) * 100,
theData,
GLDataAccesFrequency.STATIC,
GLDataAccesNature.DRAW);
}
@Override
public DataBuffer slice(int index, int length) {
int oldPosition = this.byteBuffer.position();
// Explicit access via Buffer base type for compatibility
// with covariant return type on JDK 9's ByteBuffer...
Buffer buffer = this.byteBuffer;
try {
buffer.position(index);
ByteBuffer slice = this.byteBuffer.slice();
// Explicit cast for compatibility with covariant return type on JDK 9's ByteBuffer
((Buffer) slice).limit(length);
return new SlicedDefaultDataBuffer(slice, 0, length, this.dataBufferFactory);
} finally {
buffer.position(oldPosition);
}
}
public void glTexSubImage2D(
int target,
int level,
int xoffset,
int yoffset,
int width,
int height,
int format,
int type,
Buffer pixels) {
if (pixels instanceof ByteBuffer)
GL11.glTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, type, (ByteBuffer) pixels);
else if (pixels instanceof ShortBuffer)
GL11.glTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, type, (ShortBuffer) pixels);
else if (pixels instanceof IntBuffer)
GL11.glTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, type, (IntBuffer) pixels);
else if (pixels instanceof FloatBuffer)
GL11.glTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, type, (FloatBuffer) pixels);
else if (pixels instanceof DoubleBuffer)
GL11.glTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, type, (DoubleBuffer) pixels);
else
throw new GdxRuntimeException(
"Can't use "
+ pixels.getClass().getName()
+ " with this method. Use ByteBuffer, ShortBuffer, IntBuffer, FloatBuffer or DoubleBuffer instead. Blame LWJGL");
}
public static void loadData(BasicCache<String, String> cache, String fileName)
throws IOException {
try (BufferedReader bufferedReader =
new BufferedReader(
new InputStreamReader(ScriptingUtils.class.getResourceAsStream(fileName)))) {
int chunkSize = 10;
int chunkId = 0;
CharBuffer cbuf = CharBuffer.allocate(1024 * chunkSize);
while (bufferedReader.read(cbuf) >= 0) {
Buffer buffer = cbuf.flip();
String textChunk = buffer.toString();
cache.put(fileName + (chunkId++), textChunk);
cbuf.clear();
}
}
}
@Override
public void glDrawElements(int mode, int count, int type, Buffer indices) {
gl.drawElements(
mode,
count,
type,
indices.position()); // FIXME this is assuming WebGL supports client side buffers...
}
private static void throwBufferSizeGTException(Buffer buf, int size) {
throw new IllegalArgumentException(
"Number of remaining buffer elements is "
+ buf.remaining()
+ ", must be at most "
+ size
+ ".");
}
public synchronized void setInput(byte[] b, int off, int len) {
if (b == null) {
throw new NullPointerException();
}
if (off < 0 || len < 0 || off > b.length - len) {
throw new ArrayIndexOutOfBoundsException();
}
this.userBuf = b;
this.userBufOff = off;
this.userBufLen = len;
setInputFromSavedData();
// Reinitialize zlib's output direct buffer
compressedDirectBuf.limit(directBufferSize);
compressedDirectBuf.position(directBufferSize);
}
private static int positionInBytes(Buffer dst) {
if (dst instanceof ByteBuffer) return dst.position();
else if (dst instanceof ShortBuffer) return dst.position() << 1;
else if (dst instanceof CharBuffer) return dst.position() << 1;
else if (dst instanceof IntBuffer) return dst.position() << 2;
else if (dst instanceof LongBuffer) return dst.position() << 3;
else if (dst instanceof FloatBuffer) return dst.position() << 2;
else if (dst instanceof DoubleBuffer) return dst.position() << 3;
else throw new GdxRuntimeException("Can't copy to a " + dst.getClass().getName() + " instance");
}
private static int elementsToBytes(Buffer dst, int elements) {
if (dst instanceof ByteBuffer) return elements;
else if (dst instanceof ShortBuffer) return elements << 1;
else if (dst instanceof CharBuffer) return elements << 1;
else if (dst instanceof IntBuffer) return elements << 2;
else if (dst instanceof LongBuffer) return elements << 3;
else if (dst instanceof FloatBuffer) return elements << 2;
else if (dst instanceof DoubleBuffer) return elements << 3;
else throw new GdxRuntimeException("Can't copy to a " + dst.getClass().getName() + " instance");
}
/**
* Sets input data for compression. This should be called whenever #needsInput() returns <code>
* true</code> indicating that more input data is required.
*
* @param b Input data
* @param off Start offset
* @param len Length
*/
@Override
public synchronized void setInput(byte[] b, int off, int len) {
if (b == null) {
throw new NullPointerException();
}
if (off < 0 || len < 0 || off > b.length - len) {
throw new ArrayIndexOutOfBoundsException();
}
finished = false;
if (len > uncompressedDirectBuf.remaining()) {
// save data; now !needsInput
this.userBuf = b;
this.userBufOff = off;
this.userBufLen = len;
} else {
((ByteBuffer) uncompressedDirectBuf).put(b, off, len);
uncompressedDirectBufLen = uncompressedDirectBuf.position();
}
bytesRead += len;
}
public void glDrawElements(int mode, int count, int type, Buffer indices) {
if (indices instanceof ShortBuffer && type == GL_UNSIGNED_SHORT)
GL11.glDrawElements(mode, (ShortBuffer) indices);
else if (indices instanceof ByteBuffer && type == GL_UNSIGNED_SHORT)
GL11.glDrawElements(mode, ((ByteBuffer) indices).asShortBuffer()); // FIXME yay...
else if (indices instanceof ByteBuffer && type == GL_UNSIGNED_BYTE)
GL11.glDrawElements(mode, (ByteBuffer) indices);
else
throw new GdxRuntimeException(
"Can't use "
+ indices.getClass().getName()
+ " with this method. Use ShortBuffer or ByteBuffer instead. Blame LWJGL");
}
public void drawTriangleList(VertexBuffer indexBuf, Mesh mesh, int count) {
Mesh.Mode mode = mesh.getMode();
Buffer indexData = indexBuf.getData();
indexData.rewind();
if (mesh.getMode() == Mode.Hybrid) {
throw new UnsupportedOperationException();
/*
int[] modeStart = mesh.getModeStart();
int[] elementLengths = mesh.getElementLengths();
int elMode = convertElementMode(Mode.Triangles);
int fmt = convertVertexFormat(indexBuf.getFormat());
// int elSize = indexBuf.getFormat().getComponentSize();
// int listStart = modeStart[0];
int stripStart = modeStart[1];
int fanStart = modeStart[2];
int curOffset = 0;
for (int i = 0; i < elementLengths.length; i++) {
if (i == stripStart) {
elMode = convertElementMode(Mode.TriangleStrip);
} else if (i == fanStart) {
elMode = convertElementMode(Mode.TriangleStrip);
}
int elementLength = elementLengths[i];
indexData.position(curOffset);
drawElements(elMode,
fmt,
indexData);
curOffset += elementLength;
}*/
} else {
drawElements(convertElementMode(mode), convertVertexFormat(indexBuf.getFormat()), indexData);
}
}
synchronized void setInputFromSavedData() {
uncompressedDirectBufOff = 0;
uncompressedDirectBufLen = userBufLen;
if (uncompressedDirectBufLen > directBufferSize) {
uncompressedDirectBufLen = directBufferSize;
}
// Reinitialize zlib's input direct buffer
uncompressedDirectBuf.rewind();
((ByteBuffer) uncompressedDirectBuf).put(userBuf, userBufOff, uncompressedDirectBufLen);
// Note how much data is being fed to zlib
userBufOff += uncompressedDirectBufLen;
userBufLen -= uncompressedDirectBufLen;
}
public void glReadPixels(
int x, int y, int width, int height, int format, int type, Buffer pixels) {
if (pixels instanceof ByteBuffer)
GL11.glReadPixels(x, y, width, height, format, type, (ByteBuffer) pixels);
else if (pixels instanceof ShortBuffer)
GL11.glReadPixels(x, y, width, height, format, type, (ShortBuffer) pixels);
else if (pixels instanceof IntBuffer)
GL11.glReadPixels(x, y, width, height, format, type, (IntBuffer) pixels);
else if (pixels instanceof FloatBuffer)
GL11.glReadPixels(x, y, width, height, format, type, (FloatBuffer) pixels);
else
throw new GdxRuntimeException(
"Can't use "
+ pixels.getClass().getName()
+ " with this method. Use ByteBuffer, ShortBuffer, IntBuffer or FloatBuffer instead. Blame LWJGL");
}
void grow(int minCapacity) {
ByteBuffer oldBuffer = this.byteBuffer;
ByteBuffer newBuffer =
(oldBuffer.isDirect()
? ByteBuffer.allocateDirect(minCapacity)
: ByteBuffer.allocate(minCapacity));
// Explicit cast for compatibility with covariant return type on JDK 9's ByteBuffer
final int remaining = readableByteCount();
((Buffer) oldBuffer).position(this.readPosition).limit(this.writePosition);
newBuffer.put(oldBuffer);
this.byteBuffer = newBuffer;
this.readPosition = 0;
this.writePosition = remaining;
oldBuffer.clear();
}
private final ByteBuffer copyToByteBuffer(Buffer buf) {
if (buf instanceof ByteBuffer) {
if (buf.position() == 0) {
return (ByteBuffer) buf;
}
return Buffers.copyByteBuffer((ByteBuffer) buf);
} else if (buf instanceof ShortBuffer) {
return Buffers.copyShortBufferAsByteBuffer((ShortBuffer) buf);
} else if (buf instanceof IntBuffer) {
return Buffers.copyIntBufferAsByteBuffer((IntBuffer) buf);
} else if (buf instanceof FloatBuffer) {
return Buffers.copyFloatBufferAsByteBuffer((FloatBuffer) buf);
} else {
throw new IllegalArgumentException(
"Unsupported buffer type (must be one of byte, short, int, or float)");
}
}
public void glCompressedTexImage2D(
int target,
int level,
int internalformat,
int width,
int height,
int border,
int imageSize,
Buffer data) {
if (data instanceof ByteBuffer) {
GL13.glCompressedTexImage2D(
target, level, internalformat, width, height, border, (ByteBuffer) data);
} else {
throw new GdxRuntimeException(
"Can't use " + data.getClass().getName() + " with this method. Use ByteBuffer instead.");
}
}
