void copyTexture(const ThreadDispatcher::message& msg)
{
const CreateTextureTask* task = (const CreateTextureTask*)msg.cbData;
MemoryTexture* src = task->src.get();
NativeTexture* dest = task->dest.get();
bool done = false;
if (isCompressedFormat(src->getFormat()))
{
dest->init(src->lock(), false);
done = true;
}
else
{
Rect textureRect(0, 0, src->getWidth(), src->getHeight());
if (dest->getHandle() == 0)
dest->init(textureRect.getWidth(), textureRect.getHeight(), src->getFormat());
dest->updateRegion(0, 0, src->lock());
}
task->ready();
}
void Mem2Native::updateTexture()
{
int SIZE = _size;
if (!SIZE)
SIZE = RECT_SIZE;
MemoryTexture* src = _opt->src.get();
NativeTexture* dest = _opt->dest.get();
Point& prev = _prev;
bool done = false;
if (isCompressedFormat(src->getFormat()))
{
dest->init(src->lock(), false);
done = true;
}
else
{
Rect textureRect(0, 0, src->getWidth(), src->getHeight());
if (dest->getHandle() == 0)
dest->init(textureRect.getWidth(), textureRect.getHeight(), src->getFormat());
Rect srcRect(prev.x, prev.y,
std::min(SIZE, textureRect.getWidth()), std::min(SIZE, textureRect.getHeight()));
srcRect.clip(textureRect);
ImageData srcim = src->lock(&srcRect);
ImageData destim;
if (srcRect != textureRect)
{
int pitch = srcRect.getWidth() * getBytesPerPixel(dest->getFormat());
_buffer.resize(srcRect.getHeight() * pitch);
destim = ImageData(
srcRect.getWidth(), srcRect.getHeight(),
pitch,
dest->getFormat(),
&_buffer[0]
);
operations::copy(srcim, destim);
}
else
{
destim = srcim;
}
dest->updateRegion(srcRect.pos.x, srcRect.pos.y, destim);
prev.x += SIZE;
if (prev.x >= textureRect.getWidth())
{
prev.x = 0;
prev.y += SIZE;
}
if (prev.y >= textureRect.getBottom())
{
_buffer.clear();
prev = Point(0, 0);
done = true;
}
}
if (done)
{
textureDone();
}
}