Method Allocate

trinity/Tr2SuballocatedBuffer.cpp:24–63

}

ALResult Tr2SuballocatedBuffer::Allocate( uint32_t stride, uint32_t count, void* data, Tr2RenderContextAL& renderContext, Allocation& result )
{
	if( !m_buffer.IsValid() )
	{
		PrepareResources();
		if( !m_buffer.IsValid() )
		{
			return E_FAIL;
		}
	}
	size_t size = count * stride;

	Tr2VirtualAllocator::VirtualAllocation allocation = {};
	if( m_allocator.Allocate( size, stride, allocation ) )
	{
		result.m_offset = static_cast<uint32_t>( allocation.offset );
		result.m_size = static_cast<uint32_t>( size );

		result.m_stride = static_cast<uint32_t>( stride );

		result.m_allocation = allocation;
		result.m_parent = this;
		m_allocations.push_back( &result );

		CCP_ASSERT( result.m_offset % stride == 0 );

		if( data != nullptr )
		{
			result.Update( data, renderContext );
		}

		CCP_STATS_SET( suballocatedBufferAllocated, m_allocator.GetAllocatedMemory() );

		return S_OK;
	}

	FORWARD_HR( Expand() );

	return Allocate( stride, count, data, renderContext, result );
}

void Tr2SuballocatedBuffer::Free( Allocation& allocation )
{