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Do not needlessly clear Z Buffer in D3DDevice::Clear()

This commit is contained in:
Echelon9 2013-08-21 00:36:47 +10:00
parent 4ccf839d87
commit 21aeffd6c6
1 changed files with 9 additions and 2 deletions
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11
src/CxbxKrnl/EmuD3D8.cpp
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@ -101,6 +101,7 @@ static XTL::D3DSWAPCALLBACK g_pSwapCallback = NULL; // Swap/Present callback r
static XTL::D3DCALLBACK g_pCallback = NULL; // D3DDevice::InsertCallback routine
static XTL::X_D3DCALLBACKTYPE g_CallbackType; // Callback type
static DWORD g_CallbackParam; // Callback param
static BOOL g_bHasZBuffer = FALSE; // Does device have Z Buffer?
//static DWORD g_dwPrimPerFrame = 0; // Number of primitives within one frame
// wireframe toggle
@ -948,8 +949,10 @@ static DWORD WINAPI EmuCreateDeviceProxy(LPVOID)
g_pCachedZStencilSurface = new XTL::X_D3DSurface();
g_pCachedZStencilSurface->Common = 0;
g_pCachedZStencilSurface->Data = X_D3DRESOURCE_DATA_FLAG_SPECIAL | X_D3DRESOURCE_DATA_FLAG_D3DSTEN;
g_pD3DDevice8->GetDepthStencilSurface(&g_pCachedZStencilSurface->EmuSurface8);
if (FAILED(g_pD3DDevice8->GetDepthStencilSurface(&g_pCachedZStencilSurface->EmuSurface8)))
g_bHasZBuffer = FALSE;
else
g_bHasZBuffer = TRUE;
(void)g_pD3DDevice8->CreateVertexBuffer
(
@ -4288,6 +4291,10 @@ HRESULT WINAPI XTL::EmuIDirect3DDevice8_Clear
if(Flags & ~(0x000000f0 | 0x00000001 | 0x00000002))
EmuWarning("Unsupported Flag(s) for IDirect3DDevice8_Clear : 0x%.08X", Flags & ~(0x000000f0 | 0x00000001 | 0x00000002));
// Regardless of above setting, do not needlessly clear Z Buffer
if (!g_bHasZBuffer)
newFlags &= ~D3DCLEAR_ZBUFFER;
Flags = newFlags;
}