public static AsTexture empty(int width, int height, bool premultipliedAlpha, bool optimizeForRenderTexture, float scale)
{
if (scale <= 0)
{
scale = AsStarling.getContentScaleFactor();
}
int origWidth = (int)(width * scale);
int origHeight = (int)(height * scale);
int legalWidth = AsGlobal.getNextPowerOfTwo(origWidth);
int legalHeight = AsGlobal.getNextPowerOfTwo(origHeight);
String format = AsContext3DTextureFormat.BGRA;
AsContext3D context = AsStarling.getContext();
if (context == null)
{
throw new AsMissingContextError();
}
bc.flash.display3D.textures.AsTexture nativeTexture = context.createTexture(legalWidth, legalHeight, AsContext3DTextureFormat.BGRA, optimizeForRenderTexture);
AsConcreteTexture concreteTexture = new AsConcreteTexture(nativeTexture, format, legalWidth, legalHeight, false, premultipliedAlpha, optimizeForRenderTexture, scale);
if (origWidth == legalWidth && origHeight == legalHeight)
{
return(concreteTexture);
}
else
{
return(new AsSubTexture(concreteTexture, new AsRectangle(0, 0, width, height), true));
}
}
private void onContextCreated(AsEvent _event)
{
AsContext3D context = AsStarling.getContext();
AsBitmapData bitmapData = mData as AsBitmapData;
AsAtfData atfData = mData as AsAtfData;
bc.flash.display3D.textures.AsTexture nativeTexture = null;
if (bitmapData != null)
{
nativeTexture = context.createTexture(mWidth, mHeight, AsContext3DTextureFormat.BGRA, mOptimizedForRenderTexture);
AsTexture.uploadBitmapData(nativeTexture, bitmapData, mMipMapping);
}
else
{
if (atfData != null)
{
nativeTexture = context.createTexture(atfData.getWidth(), atfData.getHeight(), atfData.getFormat(), mOptimizedForRenderTexture);
AsTexture.uploadAtfData(nativeTexture, atfData.getData());
}
}
mBase = nativeTexture;
}
public static AsTexture fromBitmapData(AsBitmapData data, bool generateMipMaps, bool optimizeForRenderTexture, float scale)
{
int origWidth = data.getWidth();
int origHeight = data.getHeight();
int legalWidth = AsGlobal.getNextPowerOfTwo(origWidth);
int legalHeight = AsGlobal.getNextPowerOfTwo(origHeight);
AsContext3D context = AsStarling.getContext();
AsBitmapData potData = null;
if (context == null)
{
throw new AsMissingContextError();
}
bc.flash.display3D.textures.AsTexture nativeTexture = context.createTexture(legalWidth, legalHeight, AsContext3DTextureFormat.BGRA, optimizeForRenderTexture);
if (legalWidth > origWidth || legalHeight > origHeight)
{
potData = new AsBitmapData(legalWidth, legalHeight, true, 0);
potData.copyPixels(data, data.getRect(), sOrigin);
data = potData;
}
uploadBitmapData(nativeTexture, data, generateMipMaps);
AsConcreteTexture concreteTexture = new AsConcreteTexture(nativeTexture, AsContext3DTextureFormat.BGRA, legalWidth, legalHeight, generateMipMaps, true, optimizeForRenderTexture, scale);
if (AsStarling.getHandleLostContext())
{
concreteTexture.restoreOnLostContext(data);
}
else
{
if (potData != null)
{
potData.dispose();
}
}
if (origWidth == legalWidth && origHeight == legalHeight)
{
return(concreteTexture);
}
else
{
return(new AsSubTexture(concreteTexture, new AsRectangle(0, 0, origWidth / scale, origHeight / scale), true));
}
}
public static AsTexture fromAtfData(AsByteArray data, float scale)
{
AsContext3D context = AsStarling.getContext();
if (context == null)
{
throw new AsMissingContextError();
}
AsAtfData atfData = new AsAtfData(data);
bc.flash.display3D.textures.AsTexture nativeTexture = context.createTexture(atfData.getWidth(), atfData.getHeight(), atfData.getFormat(), false);
uploadAtfData(nativeTexture, data);
AsConcreteTexture concreteTexture = new AsConcreteTexture(nativeTexture, atfData.getFormat(), atfData.getWidth(), atfData.getHeight(), atfData.getNumTextures() > 1, false, false, scale);
if (AsStarling.getHandleLostContext())
{
concreteTexture.restoreOnLostContext(atfData);
}
return(concreteTexture);
}