BOOL DRIVERCC BeginScene(BOOL Clear, BOOL ClearZ, RECT *WorldRect)
{
HRESULT Result;
CurrentLRU++;
if (!AppInfo.lpD3DDevice)
{
D3DMain_Log("BeginScene: No D3D Device!.");
return FALSE;
}
// Make sure we clear the cache info structure...
memset(&CacheInfo, 0, sizeof(DRV_CacheInfo));
if (!THandle_CheckCache())
return GE_FALSE;
// Watch for inactive app or minimize
if(AppInfo.RenderingIsOK)
{
if (!Main_ClearBackBuffer(Clear, ClearZ))
{
D3DMain_Log("D3DClearBuffers failed.");
return FALSE;
}
D3DDRV.NumRenderedPolys = 0;
Result = AppInfo.lpD3DDevice->BeginScene();
if (Result != D3D_OK)
{
D3DMain_Log("BeginScene: D3D BeginScene Failed.\n%s.", D3DErrorToString(Result));
return FALSE;
}
D3DBilinearFilter(D3DFILTER_LINEAR, D3DFILTER_LINEAR);
D3DPolygonMode (D3DFILL_SOLID);
D3DZWriteEnable (TRUE);
D3DZEnable(TRUE);
D3DZFunc(D3DCMP_LESSEQUAL);
D3DBlendFunc (D3DBLEND_SRCALPHA, D3DBLEND_INVSRCALPHA);
D3DBlendEnable(TRUE);
if (AppInfo.FogEnable)
{
AppInfo.lpD3DDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE , TRUE);
AppInfo.lpD3DDevice->SetRenderState(D3DRENDERSTATE_FOGCOLOR , ((DWORD)AppInfo.FogR<<16)|((DWORD)AppInfo.FogG<<8)|(DWORD)AppInfo.FogB);
}
else
{
AppInfo.lpD3DDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE , FALSE);
}
}
return TRUE;
}
//====================================================================================
// PCache_FlushMiscPolys
//====================================================================================
BOOL PCache_FlushMiscPolys(void)
{
int32 i;
Misc_Poly *pPoly;
if (!MiscCache.NumPolys)
return TRUE;
if (!THandle_CheckCache())
return GE_FALSE;
// Set the render states
if (AppInfo.CanDoMultiTexture)
{
AppInfo.lpD3DDevice->SetTextureStageState( 1, D3DTSS_COLOROP, D3DTOP_DISABLE );
AppInfo.lpD3DDevice->SetTextureStageState( 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE );
D3DSetTexture(1, NULL); // Reset texture stage 1
}
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_TEXCOORDINDEX, 0);
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
AppInfo.lpD3DDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
D3DBlendFunc (D3DBLEND_SRCALPHA, D3DBLEND_INVSRCALPHA);
D3DBlendEnable(TRUE);
// Sort the polys by handle
SortMiscPolysByHandle();
for (i=0; i< MiscCache.NumPolys; i++)
{
pPoly = MiscCache.SortedPolys[i];
if (pPoly->Flags & DRV_RENDER_NO_ZMASK) // We are assuming that this is not going to change all that much
D3DZEnable(FALSE);
else
D3DZEnable(TRUE);
if (pPoly->Flags & DRV_RENDER_NO_ZWRITE) // We are assuming that this is not going to change all that much
D3DZWriteEnable(FALSE);
else
D3DZWriteEnable(TRUE);
if (pPoly->Flags & DRV_RENDER_CLAMP_UV)
D3DTexWrap(0, FALSE);
else
D3DTexWrap(0, TRUE);
if (!SetupTexture(0, pPoly->THandle, pPoly->MipLevel))
return GE_FALSE;
if ( (pPoly->Flags & DRV_RENDER_POLY_NO_FOG) && AppInfo.FogEnable) // poly fog
AppInfo.lpD3DDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE , FALSE);
D3DTexturedPoly(&MiscCache.Verts[pPoly->FirstVert], pPoly->NumVerts);
if ( (pPoly->Flags & DRV_RENDER_POLY_NO_FOG) && AppInfo.FogEnable) // poly fog
AppInfo.lpD3DDevice->SetRenderState(D3DRENDERSTATE_FOGENABLE , TRUE);
}
// Turn z stuff back on...
D3DZWriteEnable (TRUE);
D3DZEnable(TRUE);
MiscCache.NumPolys = 0;
MiscCache.NumVerts = 0;
#ifdef SUPER_FLUSH
AppInfo.lpD3DDevice->SetRenderState(D3DRENDERSTATE_FLUSHBATCH, 0);
AppInfo.lpD3DDevice->EndScene();
AppInfo.lpD3DDevice->BeginScene();
#endif
return TRUE;
}