Oculus VR (Rift) support

Input device and shaders for supporting the Oculus Rift.

Templates/Empty/game/core/scripts/client/core.cs

@@ -54,6 +54,9 @@ function initializeCore()
    exec( "./audioStates.cs" );
    exec( "./audioAmbiences.cs" );
 
+   // Input devices
+   exec("~/scripts/client/oculusVR.cs");
+
    // Seed the random number generator.
    setRandomSeed();
    

Templates/Empty/game/core/scripts/client/oculusVR.cs

@@ -0,0 +1,125 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+// Only load these functions if an Oculus VR device is present
+if(!isFunction(isOculusVRDeviceActive))
+   return;
+
+//-----------------------------------------------------------------------------
+
+function oculusSensorMetricsCallback()
+{
+   return "  | OVR Sensor 0 |" @ 
+          "  rot: " @ getOVRSensorEulerRotation(0);
+}
+
+//-----------------------------------------------------------------------------
+
+// Call this function from createCanvas() to have the Canvas attach itself
+// to the Rift's display.  The Canvas' window will still open on the primary
+// display if that is different from the Rift, but it will move to the Rift
+// when it goes full screen.  If the Rift is not connected then nothing
+// will happen.
+function pointCanvasToOculusVRDisplay()
+{
+   $pref::Video::displayOutputDevice = getOVRHMDDisplayDeviceName(0);
+}
+
+//-----------------------------------------------------------------------------
+
+// Call this function from GameConnection::initialControlSet() just before
+// your "Canvas.setContent(PlayGui);" call, or at any time you wish to switch
+// to a side-by-side rendering and the appropriate barrel distortion.  This
+// will turn on side-by-side rendering and tell the GameConnection to use the
+// Rift as its display device.
+// Parameters:
+// %gameConnection - The client GameConnection instance
+// %trueStereoRendering - If true will enable stereo rendering with an eye
+// offset for each viewport.  This will render each frame twice.  If false
+// then a pseudo stereo rendering is done with only a single render per frame.
+function enableOculusVRDisplay(%gameConnection, %trueStereoRendering)
+{
+   setOVRHMDAsGameConnectionDisplayDevice(%gameConnection);
+   PlayGui.renderStyle = "stereo side by side";
+   
+   if(%trueStereoRendering)
+   {
+      OVRBarrelDistortionPostFX.isEnabled = true;
+   }
+   else
+   {
+      OVRBarrelDistortionMonoPostFX.isEnabled = true;
+   }
+   
+   // Reset all sensors
+   ovrResetAllSensors();
+}
+
+// Call this function when ever you wish to turn off the stereo rendering
+// and barrel distortion for the Rift.
+function disableOculusVRDisplay(%gameConnection)
+{
+   %gameConnection.clearDisplayDevice();
+   PlayGui.renderStyle = "standard";
+   OVRBarrelDistortionPostFX.isEnabled = false;
+   OVRBarrelDistortionMonoPostFX.isEnabled = false;
+}
+
+// Helper function to set the standard Rift control scheme.  You could place
+// this function in GameConnection::initialControlSet() at the same time
+// you call enableOculusVRDisplay().
+function setStandardOculusVRControlScheme(%gameConnection)
+{
+   if(isOVRHMDSimulated(0))
+   {
+      // We are simulating a HMD so allow the mouse and gamepad to control
+      // both yaw and pitch.
+      %gameConnection.setControlSchemeParameters(true, true, true);
+   }
+   else
+   {
+      // A HMD is connected so have the mouse and gamepad only add to yaw
+      %gameConnection.setControlSchemeParameters(true, true, false);
+   }
+}
+
+//-----------------------------------------------------------------------------
+
+// Helper function to set the resolution for the Rift.
+// Parameters:
+// %fullscreen - If true then the display will be forced to full screen.  If
+// pointCanvasToOculusVRDisplay() was called before the Canvas was created, then
+// the full screen display will appear on the Rift.
+function setVideoModeForOculusVRDisplay(%fullscreen)
+{
+   %res = getOVRHMDResolution(0);
+   Canvas.setVideoMode(%res.x, %res.y, %fullscreen, 32, 0);
+}
+
+//-----------------------------------------------------------------------------
+
+// Reset all Oculus Rift sensors.  This will make the Rift's current heading
+// be considered the origin.
+function resetOculusVRSensors()
+{
+   ovrResetAllSensors();
+}

Templates/Empty/game/core/scripts/client/postFx/ovrBarrelDistortion.cs

@@ -0,0 +1,123 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+// Only load these shaders if an Oculus VR device is present
+if(!isFunction(isOculusVRDeviceActive))
+   return;
+
+//-----------------------------------------------------------------------------
+// Shader data
+//-----------------------------------------------------------------------------
+
+singleton ShaderData( OVRMonoToStereoShader )
+{
+   DXVertexShaderFile 	= "shaders/common/postFx/postFxV.hlsl";
+   DXPixelShaderFile 	= "shaders/common/postFx/oculusvr/monoToStereoP.hlsl";
+
+   pixVersion = 2.0;   
+};
+
+singleton ShaderData( OVRBarrelDistortionShader )
+{
+   DXVertexShaderFile 	= "shaders/common/postFx/postFxV.hlsl";
+   DXPixelShaderFile 	= "shaders/common/postFx/oculusvr/barrelDistortionP.hlsl";
+
+   pixVersion = 2.0;   
+};
+
+//-----------------------------------------------------------------------------
+// GFX state blocks
+//-----------------------------------------------------------------------------
+
+singleton GFXStateBlockData( OVRBarrelDistortionStateBlock : PFX_DefaultStateBlock )
+{
+   samplersDefined = true;
+   samplerStates[0] = SamplerClampLinear;
+};
+
+//-----------------------------------------------------------------------------
+// Barrel Distortion PostFx
+//
+// To be used with the Oculus Rift.
+// Expects a stereo pair to exist on the back buffer and then applies the
+// appropriate barrel distortion.
+//-----------------------------------------------------------------------------
+singleton BarrelDistortionPostEffect( OVRBarrelDistortionPostFX )
+{
+   isEnabled = false;
+   allowReflectPass = false;
+   
+   renderTime = "PFXAfterDiffuse";
+   renderPriority = 100;
+
+   // The barrel distortion   
+   shader = OVRBarrelDistortionShader;
+   stateBlock = OVRBarrelDistortionStateBlock;
+   
+   texture[0] = "$backBuffer";
+   
+   scaleOutput = 1.25;
+};
+
+//-----------------------------------------------------------------------------
+// Barrel Distortion Mono PostFx
+//
+// To be used with the Oculus Rift.
+// Takes a non-stereo image and turns it into a stereo pair with barrel
+// distortion applied.  Only a vertical slice around the center of the back
+// buffer is used to generate the pseudo stereo pair.
+//-----------------------------------------------------------------------------
+singleton PostEffect( OVRBarrelDistortionMonoPostFX )
+{
+   isEnabled = false;
+   allowReflectPass = false;
+   
+   renderTime = "PFXAfterDiffuse";
+   renderPriority = 100;
+
+   // Converts the mono display to a stereo one   
+   shader = OVRMonoToStereoShader;
+   stateBlock = OVRBarrelDistortionStateBlock;
+   
+   texture[0] = "$backBuffer";
+   target = "$outTex";
+
+   // The actual barrel distortion   
+   new BarrelDistortionPostEffect(OVRBarrelDistortionMonoStage2PostFX)
+   {
+      shader = OVRBarrelDistortionShader;
+      stateBlock = OVRBarrelDistortionStateBlock;
+      texture[0] = "$inTex";
+      target = "$backBuffer";
+      
+      scaleOutput = 1.25;
+   };
+
+};
+
+function OVRBarrelDistortionMonoPostFX::setShaderConsts( %this )
+{
+   %HMDIndex = 0;
+   
+   %xOffsets = getOVRHMDEyeXOffsets(%HMDIndex);
+   %this.setShaderConst( "$LensXOffsets", %xOffsets );
+}

Templates/Empty/game/shaders/common/postFx/oculusvr/barrelDistortionP.hlsl

@@ -0,0 +1,81 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "shadergen:/autogenConditioners.h"  
+#include "../postFx.hlsl"  
+#include "../../torque.hlsl"
+
+uniform sampler2D backBuffer : register(S0);
+
+uniform float3 LensCenter;    // x=Left X, y=Right X, z=Y
+uniform float2 ScreenCenter;
+uniform float2 Scale;
+uniform float2 ScaleIn;
+uniform float4 HmdWarpParam;
+
+// Scales input texture coordinates for distortion.
+// ScaleIn maps texture coordinates to Scales to ([-1, 1]), although top/bottom will be
+// larger due to aspect ratio.
+float2 HmdWarp(float2 in01, float2 lensCenter)
+{
+   float2 theta = (in01 - lensCenter) * ScaleIn; // Scales to [-1, 1]
+   float rSq = theta.x * theta.x + theta.y * theta.y;
+   float2 theta1 = theta * (HmdWarpParam.x + HmdWarpParam.y * rSq + HmdWarpParam.z * rSq * rSq + HmdWarpParam.w * rSq * rSq * rSq);
+   return lensCenter + Scale * theta1;
+}
+
+float4 main( PFXVertToPix IN ) : COLOR0  
+{
+   float2 texCoord;
+   float xOffset;
+   float2 lensCenter;
+   lensCenter.y = LensCenter.z;
+   if(IN.uv0.x < 0.5)
+   {
+      texCoord.x = IN.uv0.x;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.0;
+      lensCenter.x = LensCenter.x;
+   }
+   else
+   {
+      texCoord.x = IN.uv0.x - 0.5;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.5;
+      lensCenter.x = LensCenter.y;
+   }
+   
+   float2 tc = HmdWarp(texCoord, lensCenter);
+   
+   float4 color;
+   if (any(clamp(tc, ScreenCenter-float2(0.25,0.5), ScreenCenter+float2(0.25, 0.5)) - tc))
+   {
+      color = float4(0,0,0,0);
+   }
+   else
+   {
+      tc.x += xOffset;
+      color = tex2D(backBuffer, tc);
+   }
+
+   return color;    
+}

Templates/Empty/game/shaders/common/postFx/oculusvr/monoToStereoP.hlsl

@@ -0,0 +1,60 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "shadergen:/autogenConditioners.h"  
+#include "../postFx.hlsl"  
+#include "../../torque.hlsl"
+
+uniform sampler2D backBuffer : register(S0);
+
+uniform float2 LensXOffsets;
+
+float4 main( PFXVertToPix IN ) : COLOR0  
+{
+   float2 texCoord;
+   float xOffset;
+   float2 lensCenter;
+   lensCenter.y = 0.5;
+   if(IN.uv0.x < 0.5)
+   {
+      texCoord.x = IN.uv0.x;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.0;
+      lensCenter.x = LensXOffsets.x;
+   }
+   else
+   {
+      texCoord.x = IN.uv0.x - 0.5;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.5;
+      lensCenter.x = LensXOffsets.y;
+   }
+
+   texCoord.x *= 2.0;
+   texCoord.x += lensCenter.x;
+   texCoord.x *= 0.5;
+   texCoord.x += 0.25;
+   
+   float4 color = tex2D(backBuffer, texCoord);
+
+   return color;    
+}

Templates/Full/game/core/scripts/client/core.cs

@@ -54,6 +54,9 @@ function initializeCore()
    exec( "./audioStates.cs" );
    exec( "./audioAmbiences.cs" );
 
+   // Input devices
+   exec("~/scripts/client/oculusVR.cs");
+
    // Seed the random number generator.
    setRandomSeed();
    

Templates/Full/game/core/scripts/client/oculusVR.cs

@@ -0,0 +1,125 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+// Only load these functions if an Oculus VR device is present
+if(!isFunction(isOculusVRDeviceActive))
+   return;
+
+//-----------------------------------------------------------------------------
+
+function oculusSensorMetricsCallback()
+{
+   return "  | OVR Sensor 0 |" @ 
+          "  rot: " @ getOVRSensorEulerRotation(0);
+}
+
+//-----------------------------------------------------------------------------
+
+// Call this function from createCanvas() to have the Canvas attach itself
+// to the Rift's display.  The Canvas' window will still open on the primary
+// display if that is different from the Rift, but it will move to the Rift
+// when it goes full screen.  If the Rift is not connected then nothing
+// will happen.
+function pointCanvasToOculusVRDisplay()
+{
+   $pref::Video::displayOutputDevice = getOVRHMDDisplayDeviceName(0);
+}
+
+//-----------------------------------------------------------------------------
+
+// Call this function from GameConnection::initialControlSet() just before
+// your "Canvas.setContent(PlayGui);" call, or at any time you wish to switch
+// to a side-by-side rendering and the appropriate barrel distortion.  This
+// will turn on side-by-side rendering and tell the GameConnection to use the
+// Rift as its display device.
+// Parameters:
+// %gameConnection - The client GameConnection instance
+// %trueStereoRendering - If true will enable stereo rendering with an eye
+// offset for each viewport.  This will render each frame twice.  If false
+// then a pseudo stereo rendering is done with only a single render per frame.
+function enableOculusVRDisplay(%gameConnection, %trueStereoRendering)
+{
+   setOVRHMDAsGameConnectionDisplayDevice(%gameConnection);
+   PlayGui.renderStyle = "stereo side by side";
+   
+   if(%trueStereoRendering)
+   {
+      OVRBarrelDistortionPostFX.isEnabled = true;
+   }
+   else
+   {
+      OVRBarrelDistortionMonoPostFX.isEnabled = true;
+   }
+   
+   // Reset all sensors
+   ovrResetAllSensors();
+}
+
+// Call this function when ever you wish to turn off the stereo rendering
+// and barrel distortion for the Rift.
+function disableOculusVRDisplay(%gameConnection)
+{
+   %gameConnection.clearDisplayDevice();
+   PlayGui.renderStyle = "standard";
+   OVRBarrelDistortionPostFX.isEnabled = false;
+   OVRBarrelDistortionMonoPostFX.isEnabled = false;
+}
+
+// Helper function to set the standard Rift control scheme.  You could place
+// this function in GameConnection::initialControlSet() at the same time
+// you call enableOculusVRDisplay().
+function setStandardOculusVRControlScheme(%gameConnection)
+{
+   if(isOVRHMDSimulated(0))
+   {
+      // We are simulating a HMD so allow the mouse and gamepad to control
+      // both yaw and pitch.
+      %gameConnection.setControlSchemeParameters(true, true, true);
+   }
+   else
+   {
+      // A HMD is connected so have the mouse and gamepad only add to yaw
+      %gameConnection.setControlSchemeParameters(true, true, false);
+   }
+}
+
+//-----------------------------------------------------------------------------
+
+// Helper function to set the resolution for the Rift.
+// Parameters:
+// %fullscreen - If true then the display will be forced to full screen.  If
+// pointCanvasToOculusVRDisplay() was called before the Canvas was created, then
+// the full screen display will appear on the Rift.
+function setVideoModeForOculusVRDisplay(%fullscreen)
+{
+   %res = getOVRHMDResolution(0);
+   Canvas.setVideoMode(%res.x, %res.y, %fullscreen, 32, 0);
+}
+
+//-----------------------------------------------------------------------------
+
+// Reset all Oculus Rift sensors.  This will make the Rift's current heading
+// be considered the origin.
+function resetOculusVRSensors()
+{
+   ovrResetAllSensors();
+}

Templates/Full/game/core/scripts/client/postFx/ovrBarrelDistortion.cs

@@ -0,0 +1,123 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+// Only load these shaders if an Oculus VR device is present
+if(!isFunction(isOculusVRDeviceActive))
+   return;
+
+//-----------------------------------------------------------------------------
+// Shader data
+//-----------------------------------------------------------------------------
+
+singleton ShaderData( OVRMonoToStereoShader )
+{
+   DXVertexShaderFile 	= "shaders/common/postFx/postFxV.hlsl";
+   DXPixelShaderFile 	= "shaders/common/postFx/oculusvr/monoToStereoP.hlsl";
+
+   pixVersion = 2.0;   
+};
+
+singleton ShaderData( OVRBarrelDistortionShader )
+{
+   DXVertexShaderFile 	= "shaders/common/postFx/postFxV.hlsl";
+   DXPixelShaderFile 	= "shaders/common/postFx/oculusvr/barrelDistortionP.hlsl";
+
+   pixVersion = 2.0;   
+};
+
+//-----------------------------------------------------------------------------
+// GFX state blocks
+//-----------------------------------------------------------------------------
+
+singleton GFXStateBlockData( OVRBarrelDistortionStateBlock : PFX_DefaultStateBlock )
+{
+   samplersDefined = true;
+   samplerStates[0] = SamplerClampLinear;
+};
+
+//-----------------------------------------------------------------------------
+// Barrel Distortion PostFx
+//
+// To be used with the Oculus Rift.
+// Expects a stereo pair to exist on the back buffer and then applies the
+// appropriate barrel distortion.
+//-----------------------------------------------------------------------------
+singleton BarrelDistortionPostEffect( OVRBarrelDistortionPostFX )
+{
+   isEnabled = false;
+   allowReflectPass = false;
+   
+   renderTime = "PFXAfterDiffuse";
+   renderPriority = 100;
+
+   // The barrel distortion   
+   shader = OVRBarrelDistortionShader;
+   stateBlock = OVRBarrelDistortionStateBlock;
+   
+   texture[0] = "$backBuffer";
+   
+   scaleOutput = 1.25;
+};
+
+//-----------------------------------------------------------------------------
+// Barrel Distortion Mono PostFx
+//
+// To be used with the Oculus Rift.
+// Takes a non-stereo image and turns it into a stereo pair with barrel
+// distortion applied.  Only a vertical slice around the center of the back
+// buffer is used to generate the pseudo stereo pair.
+//-----------------------------------------------------------------------------
+singleton PostEffect( OVRBarrelDistortionMonoPostFX )
+{
+   isEnabled = false;
+   allowReflectPass = false;
+   
+   renderTime = "PFXAfterDiffuse";
+   renderPriority = 100;
+
+   // Converts the mono display to a stereo one   
+   shader = OVRMonoToStereoShader;
+   stateBlock = OVRBarrelDistortionStateBlock;
+   
+   texture[0] = "$backBuffer";
+   target = "$outTex";
+
+   // The actual barrel distortion   
+   new BarrelDistortionPostEffect(OVRBarrelDistortionMonoStage2PostFX)
+   {
+      shader = OVRBarrelDistortionShader;
+      stateBlock = OVRBarrelDistortionStateBlock;
+      texture[0] = "$inTex";
+      target = "$backBuffer";
+      
+      scaleOutput = 1.25;
+   };
+
+};
+
+function OVRBarrelDistortionMonoPostFX::setShaderConsts( %this )
+{
+   %HMDIndex = 0;
+   
+   %xOffsets = getOVRHMDEyeXOffsets(%HMDIndex);
+   %this.setShaderConst( "$LensXOffsets", %xOffsets );
+}

Templates/Full/game/shaders/common/postFx/oculusvr/barrelDistortionP.hlsl

@@ -0,0 +1,81 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "shadergen:/autogenConditioners.h"  
+#include "../postFx.hlsl"  
+#include "../../torque.hlsl"
+
+uniform sampler2D backBuffer : register(S0);
+
+uniform float3 LensCenter;    // x=Left X, y=Right X, z=Y
+uniform float2 ScreenCenter;
+uniform float2 Scale;
+uniform float2 ScaleIn;
+uniform float4 HmdWarpParam;
+
+// Scales input texture coordinates for distortion.
+// ScaleIn maps texture coordinates to Scales to ([-1, 1]), although top/bottom will be
+// larger due to aspect ratio.
+float2 HmdWarp(float2 in01, float2 lensCenter)
+{
+   float2 theta = (in01 - lensCenter) * ScaleIn; // Scales to [-1, 1]
+   float rSq = theta.x * theta.x + theta.y * theta.y;
+   float2 theta1 = theta * (HmdWarpParam.x + HmdWarpParam.y * rSq + HmdWarpParam.z * rSq * rSq + HmdWarpParam.w * rSq * rSq * rSq);
+   return lensCenter + Scale * theta1;
+}
+
+float4 main( PFXVertToPix IN ) : COLOR0  
+{
+   float2 texCoord;
+   float xOffset;
+   float2 lensCenter;
+   lensCenter.y = LensCenter.z;
+   if(IN.uv0.x < 0.5)
+   {
+      texCoord.x = IN.uv0.x;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.0;
+      lensCenter.x = LensCenter.x;
+   }
+   else
+   {
+      texCoord.x = IN.uv0.x - 0.5;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.5;
+      lensCenter.x = LensCenter.y;
+   }
+   
+   float2 tc = HmdWarp(texCoord, lensCenter);
+   
+   float4 color;
+   if (any(clamp(tc, ScreenCenter-float2(0.25,0.5), ScreenCenter+float2(0.25, 0.5)) - tc))
+   {
+      color = float4(0,0,0,0);
+   }
+   else
+   {
+      tc.x += xOffset;
+      color = tex2D(backBuffer, tc);
+   }
+
+   return color;    
+}

Templates/Full/game/shaders/common/postFx/oculusvr/monoToStereoP.hlsl

@@ -0,0 +1,60 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "shadergen:/autogenConditioners.h"  
+#include "../postFx.hlsl"  
+#include "../../torque.hlsl"
+
+uniform sampler2D backBuffer : register(S0);
+
+uniform float2 LensXOffsets;
+
+float4 main( PFXVertToPix IN ) : COLOR0  
+{
+   float2 texCoord;
+   float xOffset;
+   float2 lensCenter;
+   lensCenter.y = 0.5;
+   if(IN.uv0.x < 0.5)
+   {
+      texCoord.x = IN.uv0.x;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.0;
+      lensCenter.x = LensXOffsets.x;
+   }
+   else
+   {
+      texCoord.x = IN.uv0.x - 0.5;
+      texCoord.y = IN.uv0.y;
+      xOffset = 0.5;
+      lensCenter.x = LensXOffsets.y;
+   }
+
+   texCoord.x *= 2.0;
+   texCoord.x += lensCenter.x;
+   texCoord.x *= 0.5;
+   texCoord.x += 0.25;
+   
+   float4 color = tex2D(backBuffer, texCoord);
+
+   return color;    
+}