public static IMemoryReaderWriter getImageWriter(int address, int width, int bufferWidth, int pixelFormat)
{
int step = pspsharp.graphics.RE.IRenderingEngine_Fields.sizeOfTextureType[pixelFormat];
IMemoryReaderWriter imageWriter = MemoryReaderWriter.getMemoryReaderWriter(address, step);
switch (pixelFormat)
{
case GeCommands.TPSM_PIXEL_STORAGE_MODE_16BIT_ABGR4444:
imageWriter = new PixelFormat4444Encoder(imageWriter);
break;
case GeCommands.TPSM_PIXEL_STORAGE_MODE_16BIT_ABGR5551:
imageWriter = new PixelFormat5551Encoder(imageWriter);
break;
case GeCommands.TPSM_PIXEL_STORAGE_MODE_16BIT_BGR5650:
imageWriter = new PixelFormat565Encoder(imageWriter);
break;
case GeCommands.TPSM_PIXEL_STORAGE_MODE_32BIT_ABGR8888:
// We can use directly the MemoryReaderWriter, no format convertion needed.
break;
case BaseRenderer.depthBufferPixelFormat:
// We can use directly the MemoryReaderWriter, no format convertion needed.
break;
}
if (bufferWidth > width)
{
imageWriter = new MemoryImageWriter(imageWriter, width, bufferWidth);
}
return(imageWriter);
}
public override int ioRead(TPointer outputPointer, int outputLength)
{
int readLength = base.ioRead(outputPointer, outputLength);
if (readLength > 0)
{
IMemoryReaderWriter memoryReaderWriter = MemoryReaderWriter.getMemoryReaderWriter(outputPointer.Address, readLength, 1);
for (int i = 0; i < readLength; i++)
{
int value = memoryReaderWriter.readCurrent();
value ^= xor;
memoryReaderWriter.writeNext(value);
}
memoryReaderWriter.flush();
}
return(readLength);
}
