//-----------------------------------------------------------------------------
void D3D11HardwarePixelBuffer::unlockImpl(void)
{
if(mUsage == HBU_STATIC)
_unmapstagingbuffer();
else if(mUsage & HBU_DYNAMIC)
{
if(mCurrentLockOptions == HBL_READ_ONLY || mCurrentLockOptions == HBL_NORMAL || mCurrentLockOptions == HBL_WRITE_ONLY)
{
size_t sizeinbytes = D3D11Mappings::_getSizeInBytes(mParentTexture->getFormat(), mParentTexture->getWidth(), mParentTexture->getHeight());
PixelBox box;
_map(mParentTexture->getTextureResource(), D3D11_MAP_WRITE_DISCARD, box);
void *data = box.data;
memcpy(data, mCurrentLock.data, sizeinbytes);
// unmap the texture and the staging buffer
_unmap(mParentTexture->getTextureResource());
_unmapstagingbuffer(false);
}
else
_unmap(mParentTexture->getTextureResource());
}
else
_unmapstaticbuffer();
_genMipmaps();
}
void unmap()
{
if (!ptr)
return;
_unmap();
ptr = nullptr;
size = 0;
}
//-----------------------------------------------------------------------------
void D3D11HardwarePixelBuffer::_unmapstagingbuffer(bool copyback)
{
_unmap(mStagingBuffer);
if(copyback)
{
if(mLockBox.getHeight() == mParentTexture->getHeight() && mLockBox.getWidth() == mParentTexture->getWidth())
mDevice.GetImmediateContext()->CopyResource(mParentTexture->getTextureResource(), mStagingBuffer);
else
{
D3D11_BOX dstBoxDx11 = OgreImageBoxToDx11Box(mLockBox);
dstBoxDx11.front = 0;
dstBoxDx11.back = mLockBox.getDepth();
unsigned int subresource = D3D11CalcSubresource(mSubresourceIndex, mLockBox.front, mParentTexture->getNumMipmaps()+1);
mDevice.GetImmediateContext()->CopySubresourceRegion(mParentTexture->getTextureResource(), subresource, mLockBox.left, mLockBox.top, mSubresourceIndex, mStagingBuffer, subresource, &dstBoxDx11);
}
}
}
void io::MMapInputStream::close()
{
_unmap();
fclose(mFile);
mFile = NULL;
}
