protected boolean bufferUpdate() {
BufferData data = null;
try {
data = bufferCache.remove(0);
} catch (NoSuchElementException ex) {
PGraphics.showWarning("Don't have pixel data to copy to texture");
}
if (data != null) {
if ((data.w != width) || (data.h != height)) {
init(data.w, data.h);
}
data.rgbBuf.rewind();
setNative(data.rgbBuf, 0, 0, width, height);
// Putting the buffer in the used buffers list to dispose at the end of
// draw.
if (usedBuffers == null) {
usedBuffers = new LinkedList<BufferData>();
}
usedBuffers.add(data);
return true;
} else {
return false;
}
}
/**
* Creates an instance of PTexture with size width x height and with the specified parameters. The
* texture is initialized (empty) to that size.
*
* @param width int
* @param height int
* @param params Parameters
*/
public Texture(int width, int height, Object params) {
pgl = PGraphicsOpenGL.pgl;
context = pgl.createEmptyContext();
colorBuffer = false;
glName = 0;
init(width, height, (Parameters) params);
}
/**
* Sets the size of the image and texture to width x height. If the texture is already
* initialized, it first destroys the current OpenGL texture object and then creates a new one
* with the specified size.
*
* @param width int
* @param height int
*/
public void init(int width, int height) {
Parameters params;
if (0 < glName) {
// Re-initializing a pre-existing texture.
// We use the current parameters as default:
params = getParameters();
} else {
// Just built-in default parameters otherwise:
params = new Parameters();
}
init(width, height, params);
}
/**
* Creates an instance of PTexture with size width x height and with the specified parameters. The
* texture is initialized (empty) to that size.
*
* @param parent PApplet
* @param width int
* @param height int
* @param params Parameters
*/
public Texture(PApplet parent, int width, int height, Object params) {
this.parent = parent;
pg = (PGraphicsOpenGL) parent.g;
pgl = pg.pgl;
context = pgl.createEmptyContext();
pgDraw = null;
glName = 0;
init(width, height, (Parameters) params);
}
protected boolean bufferUpdate() {
BufferData data = null;
try {
data = bufferCache.remove(0);
} catch (NoSuchElementException ex) {
PGraphics.showWarning("Don't have pixel data to copy to texture");
}
if (data != null) {
if ((data.w != width) || (data.h != height)) {
init(data.w, data.h);
}
setNative(data.rgbBuf, 0, 0, width, height);
data.dispose();
return true;
} else {
return false;
}
}
