/**
* @param pTextureManager
* @param pPVRTextureFormat
* @param pPVRTexturePixelBufferStrategy
* @param pTextureOptions
* @param pTextureStateListener
* @throws IllegalArgumentException
* @throws IOException
*/
public PVRTexture(
final TextureManager pTextureManager,
final PVRTextureFormat pPVRTextureFormat,
final IPVRTexturePixelBufferStrategy pPVRTexturePixelBufferStrategy,
final TextureOptions pTextureOptions,
final ITextureStateListener pTextureStateListener)
throws IllegalArgumentException, IOException {
super(
pTextureManager,
pPVRTextureFormat.getPixelFormat(),
pTextureOptions,
pTextureStateListener);
this.mPVRTexturePixelBufferStrategy = pPVRTexturePixelBufferStrategy;
InputStream inputStream = null;
try {
inputStream = this.getInputStream();
this.mPVRTextureHeader =
new PVRTextureHeader(StreamUtils.streamToBytes(inputStream, PVRTextureHeader.SIZE));
} finally {
StreamUtils.close(inputStream);
}
if (this.mPVRTextureHeader.getPVRTextureFormat().getPixelFormat()
!= pPVRTextureFormat.getPixelFormat()) {
throw new IllegalArgumentException(
"Other PVRTextureFormat: '"
+ this.mPVRTextureHeader.getPVRTextureFormat().getPixelFormat()
+ "' found than expected: '"
+ pPVRTextureFormat.getPixelFormat()
+ "'.");
}
if (this.mPVRTextureHeader
.getPVRTextureFormat()
.isCompressed()) { // TODO && ! GLHELPER_EXTENSION_PVRTC] ) {
throw new IllegalArgumentException(
"Invalid PVRTextureFormat: '" + this.mPVRTextureHeader.getPVRTextureFormat() + "'.");
}
this.mUpdateOnHardwareNeeded = true;
}
/**
* @param pID
* @return
*/
public static PVRTextureFormat fromID(final int pID) {
final PVRTextureFormat[] pvrTextureFormats = PVRTextureFormat.values();
final int pvrTextureFormatCount = pvrTextureFormats.length;
for (int i = 0; i < pvrTextureFormatCount; i++) {
final PVRTextureFormat pvrTextureFormat = pvrTextureFormats[i];
if (pvrTextureFormat.mID == pID) {
return pvrTextureFormat;
}
}
throw new IllegalArgumentException(
"Unexpected " + PVRTextureFormat.class.getSimpleName() + "-ID: '" + pID + "'.");
}
/** @param pData */
public PVRTextureHeader(final byte[] pData) {
this.mDataByteBuffer = ByteBuffer.wrap(pData);
this.mDataByteBuffer.rewind();
this.mDataByteBuffer.order(ByteOrder.LITTLE_ENDIAN);
/* Check magic bytes. */
if (!ArrayUtils.equals(
pData,
11 * DataConstants.BYTES_PER_INT,
PVRTextureHeader.MAGIC_IDENTIFIER,
0,
PVRTextureHeader.MAGIC_IDENTIFIER.length)) {
throw new IllegalArgumentException("Invalid " + this.getClass().getSimpleName() + "!");
}
this.mPVRTextureFormat =
PVRTextureFormat.fromID(this.getFlags() & PVRTextureHeader.FORMAT_FLAG_MASK);
}
