GLideN64/src/FrameBufferInfo.cpp

#include <list>
#include "FrameBufferInfoAPI.h"
#include "FrameBufferInfo.h"
#include "OpenGL.h"
#include "FrameBuffer.h"
#include "DepthBuffer.h"
#include "RSP.h"
#include "VI.h"
#include "Log.h"

FBInfo fbInfo;

void FBInfo::Write(u32 addr, u32 size)
{
	// TODO: remove debug print
	//debugPrint("FBWrite addr=%08lx size=%u\n", addr, size);

	const u32 address = RSP_SegmentToPhysical(addr);
	if (m_pWriteBuffer == nullptr)
		m_pWriteBuffer = frameBufferList().findBuffer(address);
	FrameBuffer_AddAddress(address, size);
}

void FBInfo::WriteList(FrameBufferModifyEntry *plist, u32 size)
{
	debugPrint("FBWList size=%u\n", size);
	for (u32 i = 0; i < size; ++i)
		debugPrint(" plist[%u] addr=%08lx val=%08lx size=%u\n", i, plist[i].addr, plist[i].val, plist[i].size);
	const u32 address = RSP_SegmentToPhysical(plist[0].addr);
	m_pWriteBuffer = frameBufferList().findBuffer(address);
}

void FBInfo::Read(u32 addr)
{
	// TODO: remove debug print
	//debugPrint("FBRead addr=%08lx \n", addr);

	const u32 address = RSP_SegmentToPhysical(addr);
	FrameBuffer * pBuffer = frameBufferList().findBuffer(address);
	if (pBuffer == nullptr || pBuffer == m_pWriteBuffer)
		return;

	if (pBuffer->m_isDepthBuffer)
		FrameBuffer_CopyDepthBufferChunk(address);
	else
		FrameBuffer_CopyChunkToRDRAM(address);
}

void FBInfo::GetInfo(void *pinfo)
{
//	debugPrint("FBGetInfo\n");
	FrameBufferInfo * pFBInfo = (FrameBufferInfo*)pinfo;
	memset(pFBInfo, 0, sizeof(FrameBufferInfo)* 6);
	u32 idx = 0;
	DepthBuffer * pDepthBuffer = depthBufferList().getCurrent();
	if (pDepthBuffer != nullptr) {
		pFBInfo[idx].addr = pDepthBuffer->m_address;
		pFBInfo[idx].width = pDepthBuffer->m_width;
		pFBInfo[idx].height = VI.real_height;
		pFBInfo[idx++].size = 2;
	}
	frameBufferList().fillBufferInfo(&pFBInfo[idx], 6 - idx);

	m_pWriteBuffer = nullptr;
}