diff options
Diffstat (limited to 'LibOVR/Src/Displays/OVR_Win32_ShimFunctions.cpp')
| -rw-r--r-- | LibOVR/Src/Displays/OVR_Win32_ShimFunctions.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/LibOVR/Src/Displays/OVR_Win32_ShimFunctions.cpp b/LibOVR/Src/Displays/OVR_Win32_ShimFunctions.cpp new file mode 100644 index 0000000..9e5442c --- /dev/null +++ b/LibOVR/Src/Displays/OVR_Win32_ShimFunctions.cpp @@ -0,0 +1,230 @@ +/************************************************************************************ + +Filename : OVR_Win32_ShimFunctions.cpp +Content : Client-side shim callbacks for usermode/rt hooks +Created : May 6, 2014 +Authors : Dean Beeler + +Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); +you may not use the Oculus VR Rift SDK except in compliance with the License, +which is provided at the time of installation or download, or which +otherwise accompanies this software in either electronic or hard copy form. + +You may obtain a copy of the License at + +http://www.oculusvr.com/licenses/LICENSE-3.1 + +Unless required by applicable law or agreed to in writing, the Oculus VR SDK +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +*************************************************************************************/ + +#include "OVR_Win32_Display.h" +#include "OVR_Win32_ShimFunctions.h" +#include "OVR_Win32_Dxgi_Display.h" +#include "../OVR_Stereo.h" +#include "OVR_Win32_FocusReader.h" + +// Exported +extern void checkUMDriverOverrides( void* context ); + +#include <stdio.h> +#include <tchar.h> +#include <string.h> +#include <stdlib.h> +#include <WinSock2.h> +#include <WS2tcpip.h> +#define WIN32_LEAN_AND_MEAN +#include <Windows.h> +#include <winioctl.h> +#include <SetupAPI.h> +#include <Mmsystem.h> +#include <conio.h> + + +//------------------------------------------------------------------------------------- +// ***** User-mode Callbacks +// +// See IsInitializingDisplay, etc in Dxgi_Display.h for details +// + +extern LINK_APPLICATION_DRIVER appDriver; + +BOOL WINAPI OVRIsInitializingDisplay(PVOID context, UINT width, UINT height) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + if (con->ExpectedWidth == (int)width && con->ExpectedHeight == (int)height) + return TRUE; + + return FALSE; +} + +BOOL WINAPI OVRExpectedResolution( PVOID context, UINT* width, UINT* height, UINT* rotationInDegrees ) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + + *width = con->ExpectedWidth; + *height = con->ExpectedHeight; + *rotationInDegrees = con->Rotation; + return TRUE; +} + +BOOL WINAPI OVRIsCreatingBackBuffer(PVOID context) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + if( con->ExpectedWidth != -1 && con->ExpectedHeight != -1 ) + return TRUE; + + return FALSE; +} + +BOOL WINAPI OVRShouldVSync( ) +{ + return FALSE; +} + + +ULONG WINAPI OVRRiftForContext(PVOID context, HANDLE driverHandle) +{ + OVR_UNUSED( driverHandle ); + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + + return con->ChildUid; +} + +HWND WINAPI OVRGetWindowForContext(PVOID context) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + + if( con->Active ) + { + return con->hWindow; + } + else + { + return 0; + } +} + +BOOL WINAPI OVRShouldPresentOnContext(PVOID context) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + + return con->Active && ( con->hWindow == OVR::Win32::RenderFocusReader::GetInstance()->ReadActiveWindow() ); +} + +BOOL WINAPI OVRCloseRiftForContext( PVOID context, HANDLE driverHandle, ULONG rift ) +{ + OVR_UNUSED( context ); OVR_UNUSED( driverHandle ); OVR_UNUSED( rift ); + // TODO + return TRUE; +} + +BOOL WINAPI OVRWindowDisplayResolution( PVOID context, UINT* width, UINT* height, + UINT* titleHeight, UINT* borderWidth, + BOOL* vsyncEnabled ) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + void* handle = con->hWindow; + + if( handle ) + { + RECT winRect = { 0 }; + GetWindowRect( (HWND)handle, &winRect ); + + RECT rect = {0}; + if( GetClientRect( (HWND)handle, &rect ) ) + { + LONG barHeight = (winRect.bottom - winRect.top) - (rect.bottom - rect.top); + LONG borderSize = (winRect.right - winRect.left) - (rect.right - rect.left); + + *titleHeight = barHeight - borderSize + (borderSize / 2 ); + *borderWidth = borderSize / 2; + *width = rect.right - rect.left + (borderSize / 2); + *height = rect.bottom - rect.top + *titleHeight; + } + else + { + return FALSE; + } + } + else + { + return FALSE; + } + + *vsyncEnabled = TRUE; + + return TRUE; +} + +BOOL WINAPI OVRShouldEnableDebug() +{ + return FALSE; +} + +BOOL WINAPI OVRMirroringEnabled( PVOID context ) +{ + OVR::Win32::DisplayShim* con = (OVR::Win32::DisplayShim*)context; + + return con->UseMirroring; +} + +namespace OVR { namespace Win32 { + +DisplayShim::DisplayShim() : + ChildUid( 0 ), + ExpectedWidth( 1280 ), + ExpectedHeight( 800 ), + Rotation( 0 ), + hWindow( 0 ), + UseMirroring( TRUE ) +{ + +} + +DisplayShim::~DisplayShim() +{ + +} + +bool DisplayShim::Initialize( bool inCompatibility ) +{ + if( !inCompatibility ) + checkUMDriverOverrides( this ); + + return true; +} + +bool DisplayShim::Shutdown() +{ + return true; +} + +bool DisplayShim::Update(Win32ShimInfo* shimInfo) +{ + ChildUid = shimInfo->DeviceNumber; + ExpectedWidth = shimInfo->NativeWidth; + ExpectedHeight = shimInfo->NativeHeight; + Rotation = shimInfo->Rotation; + UseMirroring = shimInfo->UseMirroring != 0; + return true; +} + +void* DisplayShim::GetDX11SwapChain() +{ + if( appDriver.pfnGetDX11SwapChain ) + { + return (*appDriver.pfnGetDX11SwapChain)(this); + } + + return NULL; +} + + +} } // OVR::Win32 |