bool OGLRender::InitDeviceObjects()
{
// enable Z-buffer by default
ZBufferEnable(true);
return true;
}
//#define SUPPORT_ZBUFFER_IMG //Doesn't work good enough, still need lockable zbuffer
//#define SUPPORT_LOCKABLE_ZBUFFER
void D3DRender::DrawObjBGCopy(uObjBg &info)
{
if( IsUsedAsDI(g_CI.dwAddr) )
{
#ifndef SUPPORT_LOCKABLE_ZBUFFER
#ifndef SUPPORT_ZBUFFER_IMG
g_pD3DDev->Clear(0, NULL, D3DCLEAR_ZBUFFER, 0, 1.0, 0); //Check me
LOG_UCODE(" Clearing ZBuffer by using ZeldaBG");
#else
if( g_CI.dwWidth == 0x200 && info.imageFmt == g_CI.dwFormat && info.imageSiz == g_CI.dwSize &&
info.frameW == 0x800 )
{
InitCombinerBlenderForSimpleTextureDraw();
ZBufferEnable( TRUE );
gD3DDevWrapper.SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TFACTOR );
gD3DDevWrapper.SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TFACTOR );
SetTextureFactor(0);
//SetTextureFactor(0x80808080);
//gD3DDevWrapper.SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCCOLOR);
//gD3DDevWrapper.SetRenderState(D3DRS_DESTBLEND,D3DBLEND_INVSRCALPHA);
// Resident Evil2
uint32 width = *g_GraphicsInfo.VI_WIDTH_REG & 0xFFF;
uint32 height = (info.frameW/4*info.frameH/4)/width;
uint32 pitch = width;
//LoadObjBGCopy(info);
// We don't support lockable Zbuffer, but we can simular it by splitting the image
// to small pieces and render the piece with depth from the depth image
uint16 *Base = (uint16*)(g_pu8RamBase+RSPSegmentAddr(info.imagePtr));
float depth;
const uint32 inc=10;
for( uint32 i=0; i<height; i+=inc )
{
uint16 *pSrc = Base + i * pitch;
depth = (*pSrc + 1.0f ) / 0x10000;
for( uint32 j=0; j<width; j+=inc)
{
DrawSimpleRect(j, i, j+inc, i+inc, gRDP.primitiveColor, depth, 1/depth);
#ifdef _DEBUG
if( pauseAtNext && eventToPause == NEXT_TRIANGLE )
{
debuggerPause = true;
TRACE0("Pause after drawing a rect for Z buffer");
DebuggerPause();
}
#endif
}
}
}
#endif
#else
if( g_pLockableBackBuffer == NULL && status.bHandleN64RenderTexture == false )
{
if( IsResultGood(g_pD3DDev->CreateDepthStencilSurface(windowSetting.uDisplayWidth, windowSetting.uDisplayHeight, D3DFMT_D16_LOCKABLE, D3DMULTISAMPLE_NONE, &g_pLockableBackBuffer)) && g_pLockableBackBuffer )
{
g_pD3DDev->SetRenderTarget(NULL, g_pLockableBackBuffer);
TRACE0("Created and use lockable depth buffer");
}
else
{
if( g_pLockableBackBuffer )
{
g_pLockableBackBuffer->Release();
g_pLockableBackBuffer = NULL;
}
TRACE0("Can not create lockable depth buffer");
}
}
DEBUGGER_IF_DUMP((pauseAtNext&& (eventToPause==NEXT_OBJ_TXT_CMD||eventToPause==NEXT_OBJ_BG)),
{TRACE0("Using BG to update Z buffer has not been implemented yet");});
