PinnedMemory(u32 type, u32 size) : StreamBuffer(type, size) {
CreateFences();
m_pointer = (u8*)AllocateAlignedMemory(ROUND_UP(m_size,ALIGN_PINNED_MEMORY), ALIGN_PINNED_MEMORY );
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, m_buffer);
glBufferData(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, ROUND_UP(m_size,ALIGN_PINNED_MEMORY), m_pointer, GL_STREAM_COPY);
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0);
glBindBuffer(m_buffertype, m_buffer);
}
PinnedMemory(u32 type, u32 size) : StreamBuffer(type, size, ALIGN_PINNED_MEMORY)
{
CreateFences();
m_pointer = static_cast<u8*>(Common::AllocateAlignedMemory(m_size, ALIGN_PINNED_MEMORY));
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, m_buffer);
glBufferData(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, m_size, m_pointer, GL_STREAM_COPY);
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0);
glBindBuffer(m_buffertype, m_buffer);
}
BufferStorage(u32 type, u32 size) : StreamBuffer(type, size) {
CreateFences();
glBindBuffer(m_buffertype, m_buffer);
// PERSISTANT_BIT to make sure that the buffer can be used while mapped
// COHERENT_BIT is set so we don't have to use a MemoryBarrier on write
// CLIENT_STORAGE_BIT is set since we access the buffer more frequently on the client side then server side
glBufferStorage(m_buffertype, m_size, nullptr,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
m_pointer = (u8*)glMapBufferRange(m_buffertype, 0, m_size,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_FLUSH_EXPLICIT_BIT);
}
MapAndSync(u32 type, u32 size) : StreamBuffer(type, size)
{
CreateFences();
glBindBuffer(m_buffertype, m_buffer);
glBufferData(m_buffertype, m_size, nullptr, GL_STREAM_DRAW);
}
