// copy all local data to the GPU using
// stored buffer ID
void VBuffer::SyncBuffer()
{
if (m_renderID == 0)
{
fprintf(stderr, "Default Render Information not Populated, aborting\n");
return;
}
SyncBuffer(m_renderID, (m_renderSize == NULL) ? 0 : m_renderSize);
}
void CVIF::CFifoStream::Read(void* buffer, uint32 size)
{
assert(m_source != NULL);
uint8* readBuffer = reinterpret_cast<uint8*>(buffer);
while(size != 0)
{
SyncBuffer();
uint32 read = std::min<uint32>(size, BUFFERSIZE - m_bufferPosition);
if(readBuffer != NULL)
{
memcpy(readBuffer, reinterpret_cast<uint8*>(&m_buffer) + m_bufferPosition, read);
readBuffer += read;
}
m_bufferPosition += read;
size -= read;
}
}
void CVIF::CFifoStream::SetDmaParams(uint32 address, uint32 size)
{
if(address & 0x80000000)
{
m_source = m_spr;
address &= (PS2::EE_SPR_SIZE - 1);
assert((address + size) <= PS2::EE_SPR_SIZE);
}
else
{
m_source = m_ram;
address &= (PS2::EE_RAM_SIZE - 1);
assert((address + size) <= PS2::EE_RAM_SIZE);
}
m_nextAddress = address;
m_endAddress = address + size;
SyncBuffer();
}
