/**
* @param pGLState
* @throws IOException
*/
@Override
protected void writeTextureToHardware(final GLState pGLState) throws IOException {
final IPVRTexturePixelBufferStrategyBufferManager pvrTextureLoadStrategyManager =
this.mPVRTexturePixelBufferStrategy.newPVRTexturePixelBufferStrategyManager(this);
int width = this.getWidth();
int height = this.getHeight();
final int dataLength = this.mPVRTextureHeader.getDataLength();
final int bytesPerPixel =
this.mPVRTextureHeader.getBitsPerPixel() / DataConstants.BITS_PER_BYTE;
final boolean useDefaultAlignment =
MathUtils.isPowerOfTwo(width)
&& MathUtils.isPowerOfTwo(height)
&& this.mPVRTextureHeader.mPVRTextureFormat == PVRTextureFormat.RGBA_8888;
if (!useDefaultAlignment) {
/* Adjust unpack alignment. */
GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, 1);
}
int currentLevel = 0;
int currentPixelDataOffset = 0;
while (currentPixelDataOffset < dataLength) {
if (currentLevel > 0 && (width != height || MathUtils.nextPowerOfTwo(width) != width)) {
Debug.w(
"Mipmap level '"
+ currentLevel
+ "' is not squared. Width: '"
+ width
+ "', height: '"
+ height
+ "'. Texture won't render correctly.");
}
final int currentPixelDataSize = height * width * bytesPerPixel;
/* Load the current level. */
this.mPVRTexturePixelBufferStrategy.loadPVRTextureData(
pvrTextureLoadStrategyManager,
width,
height,
bytesPerPixel,
this.mPixelFormat,
currentLevel,
currentPixelDataOffset,
currentPixelDataSize);
currentPixelDataOffset += currentPixelDataSize;
/* Prepare next mipmap level. */
width = Math.max(width / 2, 1);
height = Math.max(height / 2, 1);
currentLevel++;
}
if (!useDefaultAlignment) {
/* Restore default unpack alignment. */
GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, GLState.GL_UNPACK_ALIGNMENT_DEFAULT);
}
}
@Override
protected void writeTextureToHardware(final GLState pGLState) {
final PixelFormat pixelFormat = this.mBitmapTextureFormat.getPixelFormat();
final int glInternalFormat = pixelFormat.getGLInternalFormat();
final int glFormat = pixelFormat.getGLFormat();
final int glType = pixelFormat.getGLType();
GLES20.glTexImage2D(
GLES20.GL_TEXTURE_2D,
0,
glInternalFormat,
this.mWidth,
this.mHeight,
0,
glFormat,
glType,
null);
final boolean preMultipyAlpha = this.mTextureOptions.mPreMultiplyAlpha;
/* Non alpha premultiplied bitmaps are loaded with ARGB_8888 and converted down manually. */
final Config bitmapConfig =
(preMultipyAlpha) ? this.mBitmapTextureFormat.getBitmapConfig() : Config.ARGB_8888;
final ArrayList<IBitmapTextureAtlasSource> textureSources = this.mTextureAtlasSources;
final int textureSourceCount = textureSources.size();
final ITextureAtlasStateListener<IBitmapTextureAtlasSource> textureStateListener =
this.getTextureAtlasStateListener();
for (int i = 0; i < textureSourceCount; i++) {
final IBitmapTextureAtlasSource bitmapTextureAtlasSource = textureSources.get(i);
try {
final Bitmap bitmap = bitmapTextureAtlasSource.onLoadBitmap(bitmapConfig);
if (bitmap == null) {
throw new NullBitmapException(
"Caused by: "
+ bitmapTextureAtlasSource.getClass().toString()
+ " --> "
+ bitmapTextureAtlasSource.toString()
+ " returned a null Bitmap.");
}
final boolean useDefaultAlignment =
MathUtils.isPowerOfTwo(bitmap.getWidth())
&& MathUtils.isPowerOfTwo(bitmap.getHeight())
&& pixelFormat == PixelFormat.RGBA_8888;
if (!useDefaultAlignment) {
/* Adjust unpack alignment. */
GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, 1);
}
if (preMultipyAlpha) {
GLUtils.texSubImage2D(
GLES20.GL_TEXTURE_2D,
0,
bitmapTextureAtlasSource.getTextureX(),
bitmapTextureAtlasSource.getTextureY(),
bitmap,
glFormat,
glType);
} else {
pGLState.glTexSubImage2D(
GLES20.GL_TEXTURE_2D,
0,
bitmapTextureAtlasSource.getTextureX(),
bitmapTextureAtlasSource.getTextureY(),
bitmap,
this.mPixelFormat);
}
if (!useDefaultAlignment) {
/* Restore default unpack alignment. */
GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, GLState.GL_UNPACK_ALIGNMENT_DEFAULT);
}
bitmap.recycle();
if (textureStateListener != null) {
textureStateListener.onTextureAtlasSourceLoaded(this, bitmapTextureAtlasSource);
}
} catch (final NullBitmapException e) {
if (textureStateListener != null) {
textureStateListener.onTextureAtlasSourceLoadExeption(this, bitmapTextureAtlasSource, e);
} else {
throw e;
}
}
}
}
