Add Reverse Eye rendering

.github/workflows/Build.yml

@@ -6,6 +6,7 @@ on:
 env:
   SOLUTION_FILE_PATH: .
   BUILD_CONFIGURATION: Release
+  STEAM_PATH: temp
 
 jobs:
   Win64:

README.md

@@ -17,10 +17,11 @@ Windows-only solution, but there are other solutions on Linux like MonadoVR.
 | `window_height`     | `int`   | The height of the application window.                                                       | `1080`        |
 | `aspect_ratio`      | `float` | The aspect ratio used to calculate vertical FoV                                             | `1.77778`     |
 | `fov`               | `float` | The field of view (FoV) for the VR rendering.                                               | `90.0`        |
-| `depth`             | `float` | The max depth. Overrides VR's IPD field.                                                    | `0.5`       |
+| `depth`             | `float` | The max depth. Overrides VR's IPD field.                                                    | `0.5`         |
 | `convergence`       | `float` | Where the left and right images converge. Adjusts frustum.                                  | `0.1`         |
 | `tab_enable`        | `bool`  | Enable or disable top-and-bottom (TaB) 3D output (Side by Side is default)                  | `false`       |
 | `half_enable`       | `bool`  | Enable or disable half SbS/TaB 3D output.                                                   | `true`        |
+| `reverse_enable`    | `bool`  | Flip Left and Right eyes.                                                                   | `false`       |
 | `ss_enable`         | `bool`  | Enable or disable supersampling.                                                            | `false`       |
 | `hdr_enable`        | `bool`  | Enable or disable HDR rendering.                                                            | `false`       |
 | `ss_scale`          | `float` | The supersampling scale factor.                                                             | `1.0`         |
@@ -58,6 +59,7 @@ Windows-only solution, but there are other solutions on Linux like MonadoVR.
 ## Building
 
 - Clone the code and initialize submodules
+- Define `STEAM_PATH` environment variable with the path to your main Steam folder
 - Open Solution in Visual Studio 2022
 - Use the solution to build this driver
 - Copy from the `output` folder to the `SteamVR` folder

vrto3d/src/hmd_device_driver.cpp

@@ -43,6 +43,7 @@ MockControllerDeviceDriver::MockControllerDeviceDriver()
 
 	display_configuration.tab_enable = vr::VRSettings()->GetBool(stereo_display_settings_section, "tab_enable");
 	display_configuration.half_enable = vr::VRSettings()->GetBool(stereo_display_settings_section, "half_enable");
+	display_configuration.reverse_enable = vr::VRSettings()->GetBool(stereo_display_settings_section, "reverse_enable");
 	display_configuration.ss_enable = vr::VRSettings()->GetBool(stereo_display_settings_section, "ss_enable");
 	display_configuration.hdr_enable = vr::VRSettings()->GetBool(stereo_display_settings_section, "hdr_enable");
 
@@ -333,6 +334,10 @@ void StereoDisplayComponent::GetRecommendedRenderTargetSize( uint32_t *pnWidth,
 //-----------------------------------------------------------------------------
 void StereoDisplayComponent::GetEyeOutputViewport( vr::EVREye eEye, uint32_t *pnX, uint32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight )
 {
+	if (config_.reverse_enable)
+	{
+		eEye = static_cast<vr::EVREye>(!static_cast<bool> (eEye));
+	}
 	// Use Top and Bottom Rendering
 	if (config_.tab_enable)
 	{

vrto3d/src/hmd_device_driver.h

@@ -34,6 +34,7 @@ struct StereoDisplayDriverConfiguration
 
 	bool tab_enable;
 	bool half_enable;
+	bool reverse_enable;
 	bool ss_enable;
 	bool hdr_enable;
 

vrto3d/vrto3d.vcxproj

@@ -107,9 +107,10 @@
       <AdditionalDependencies>openvr_api.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PostBuildEvent>
-      <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(SolutionDir)output\drivers\$(ProjectName)\bin" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)\bin" /S /Y /I</Command>
+      <Command>
+		XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I
+		XCOPY "$(SolutionDir)output\drivers\" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\" /S /Y /I
+	  </Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -131,9 +132,10 @@
       <AdditionalDependencies>openvr_api.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PostBuildEvent>
-      <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(SolutionDir)output\drivers\$(ProjectName)\bin" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)\bin" /S /Y /I</Command>
+      <Command>
+		XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I
+		XCOPY "$(SolutionDir)output\drivers\" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\" /S /Y /I
+	  </Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -151,9 +153,10 @@
       <AdditionalLibraryDirectories>..\external\openvr\lib\win$(PlatformArchitecture)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
-      <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(SolutionDir)output\drivers\$(ProjectName)\bin" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)\bin" /S /Y /I</Command>
+      <Command>
+		XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I
+		XCOPY "$(SolutionDir)output\drivers\" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\" /S /Y /I
+	  </Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -175,9 +178,10 @@
       <AdditionalLibraryDirectories>..\external\openvr\lib\win$(PlatformArchitecture)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
-      <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(ProjectDir)$(ProjectName)" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)" /S /Y /I</Command>
-	  <Command>XCOPY "$(SolutionDir)output\drivers\$(ProjectName)\bin" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\$(ProjectName)\bin" /S /Y /I</Command>
+      <Command>
+		XCOPY "$(ProjectDir)$(ProjectName)" "$(SolutionDir)output\drivers\$(ProjectName)" /S /Y /I
+		XCOPY "$(SolutionDir)output\drivers\" "$(STEAM_PATH)\steamapps\common\SteamVR\drivers\" /S /Y /I
+	  </Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>

vrto3d/vrto3d/resources/settings/default.vrsettings

@@ -15,6 +15,7 @@
 		"convergence": 0.1,
 		"tab_enable": false,
 		"half_enable": true,
+		"reverse_enable": false,
 		"ss_enable": false,
 		"hdr_enable": false,
 		"ss_scale": 1.0,