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Implement/match MxDirect3D::D3DSetMode (#403)

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* Implement/match MxDirect3D::D3DSetMode

* Match
This commit is contained in:
Christian Semmler
2024-01-04 16:16:16 -05:00
committed by GitHub
parent a899b06f5a
commit 54ed98b9d6
7 changed files with 96 additions and 21 deletions
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87
LEGO1/mxdirect3d.cpp
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@@ -111,14 +111,89 @@ BOOL MxDirect3D::CreateIDirect3D()
return TRUE;
}
// STUB: LEGO1 0x1009b310
// FUNCTION: LEGO1 0x1009b310
BOOL MxDirect3D::D3DSetMode()
{
// TODO
// if (m_assignedDevice)
Error("This device cannot support the current display mode", 0);
OutputDebugString("MxDirect3D::D3DSetMode() front lock failed\n");
OutputDebugString("MxDirect3D::D3DSetMode() back lock failed\n");
if (m_assignedDevice->m_flags & MxAssignedDevice::Flag_HardwareMode) {
if (m_bOnlySoftRender) {
Error("Failed to place vital surfaces in video memory for hardware driver", DDERR_GENERIC);
return FALSE;
}
if (m_assignedDevice->m_desc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_PERSPECTIVE)
m_unk0x88c = FALSE;
else
m_unk0x88c = TRUE;
DWORD bitDepth = GetZBufferBitDepth(m_assignedDevice);
if (!CreateZBuffer(DDSCAPS_VIDEOMEMORY, bitDepth))
return FALSE;
}
else {
if (m_assignedDevice->m_desc.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_PERSPECTIVE)
m_unk0x88c = FALSE;
else
m_unk0x88c = TRUE;
DWORD bitDepth = GetZBufferBitDepth(m_assignedDevice);
if (!CreateZBuffer(DDSCAPS_SYSTEMMEMORY, bitDepth))
return FALSE;
}
HRESULT result = m_pDirect3d->CreateDevice(m_assignedDevice->m_guid, m_pBackBuffer, &m_pDirect3dDevice);
if (result != DD_OK) {
Error("Create D3D device failed", result);
return FALSE;
}
MxDirectDraw::Mode mode = m_currentMode;
if (m_bFullScreen && !IsSupportedMode(mode.m_width, mode.m_height, mode.m_bitsPerPixel)) {
Error("This device cannot support the current display mode", DDERR_GENERIC);
return FALSE;
}
LPDIRECTDRAWSURFACE frontBuffer = m_pFrontBuffer;
LPDIRECTDRAWSURFACE backBuffer = m_pBackBuffer;
DDSURFACEDESC desc;
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
if (backBuffer->Lock(NULL, &desc, DDLOCK_WAIT, NULL) == DD_OK) {
MxU8* surface = (MxU8*) desc.lpSurface;
for (MxS32 i = mode.m_height; i > 0; i--) {
memset(surface, 0, mode.m_width * desc.ddpfPixelFormat.dwRGBBitCount / 8);
surface += desc.lPitch;
}
backBuffer->Unlock(desc.lpSurface);
}
else {
OutputDebugString("MxDirect3D::D3DSetMode() back lock failed\n");
}
if (m_bFullScreen) {
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
if (frontBuffer->Lock(NULL, &desc, DDLOCK_WAIT, NULL) == DD_OK) {
MxU8* surface = (MxU8*) desc.lpSurface;
for (MxS32 i = mode.m_height; i > 0; i--) {
memset(surface, 0, mode.m_width * desc.ddpfPixelFormat.dwRGBBitCount / 8);
surface += desc.lPitch;
}
frontBuffer->Unlock(desc.lpSurface);
}
else {
OutputDebugString("MxDirect3D::D3DSetMode() front lock failed\n");
}
}
return TRUE;
}