private void ConfigureEyeDesc(OVREye eye)
{
Vector2 texSize = Vector2.zero;
Vector2 fovSize = Vector2.zero;
#if !UNITY_ANDROID || UNITY_EDITOR
if (!OVRManager.instance.isVRPresent)
{
return;
}
OVRPlugin.Sizei size = OVRPlugin.GetEyeTextureSize((OVRPlugin.Eye)eye);
OVRPlugin.Frustumf frustum = OVRPlugin.GetEyeFrustum((OVRPlugin.Eye)eye);
texSize = new Vector2(size.w, size.h);
fovSize = Mathf.Rad2Deg * new Vector2(frustum.fovX, frustum.fovY);
#else
texSize = new Vector2(1024, 1024) * OVRManager.instance.nativeTextureScale;
fovSize = new Vector2(90, 90);
#endif
eyeDescs[(int)eye] = new EyeRenderDesc()
{
resolution = texSize,
fov = fovSize
};
}
// Token: 0x060037EB RID: 14315 RVA: 0x0011D018 File Offset: 0x0011B418
private void ConfigureEyeDesc(VRNode eye)
{
if (!OVRManager.isHmdPresent)
{
return;
}
OVRPlugin.Sizei eyeTextureSize = OVRPlugin.GetEyeTextureSize((OVRPlugin.Eye)eye);
OVRPlugin.Frustumf eyeFrustum = OVRPlugin.GetEyeFrustum((OVRPlugin.Eye)eye);
this.eyeDescs[(int)eye] = new OVRDisplay.EyeRenderDesc
{
resolution = new Vector2((float)eyeTextureSize.w, (float)eyeTextureSize.h),
fov = 57.29578f * new Vector2(eyeFrustum.fovX, eyeFrustum.fovY)
};
}
private bool CreateLayerTextures(bool useMipmaps, OVRPlugin.Sizei size, bool isHdr)
{
bool result = false;
if (this.stageCount <= 0)
{
return(false);
}
if (this.layerTextures == null)
{
this.frameIndex = 0;
this.layerTextures = new OVROverlay.LayerTexture[this.texturesPerStage];
}
for (int i = 0; i < this.texturesPerStage; i++)
{
if (this.layerTextures[i].swapChain == null)
{
this.layerTextures[i].swapChain = new Texture[this.stageCount];
}
if (this.layerTextures[i].swapChainPtr == null)
{
this.layerTextures[i].swapChainPtr = new IntPtr[this.stageCount];
}
for (int j = 0; j < this.stageCount; j++)
{
Texture texture = this.layerTextures[i].swapChain[j];
IntPtr intPtr = this.layerTextures[i].swapChainPtr[j];
if (!(texture != null) || !(intPtr != IntPtr.Zero))
{
if (intPtr == IntPtr.Zero)
{
intPtr = OVRPlugin.GetLayerTexture(this.layerId, j, (OVRPlugin.Eye)i);
}
if (!(intPtr == IntPtr.Zero))
{
TextureFormat format = (!isHdr) ? TextureFormat.RGBA32 : TextureFormat.RGBAHalf;
if (this.currentOverlayShape != OVROverlay.OverlayShape.Cubemap && this.currentOverlayShape != OVROverlay.OverlayShape.OffcenterCubemap)
{
texture = Texture2D.CreateExternalTexture(size.w, size.h, format, useMipmaps, true, intPtr);
}
this.layerTextures[i].swapChain[j] = texture;
this.layerTextures[i].swapChainPtr[j] = intPtr;
result = true;
}
}
}
}
return(result);
}
private void ConfigureEyeDesc(VR.VRNode eye)
{
if (!OVRManager.isHmdPresent)
{
return;
}
OVRPlugin.Sizei size = OVRPlugin.GetEyeTextureSize((OVRPlugin.Eye)eye);
OVRPlugin.Frustumf frust = OVRPlugin.GetEyeFrustum((OVRPlugin.Eye)eye);
eyeDescs[(int)eye] = new EyeRenderDesc()
{
resolution = new Vector2(size.w, size.h),
fov = Mathf.Rad2Deg * new Vector2(frust.fovX, frust.fovY),
};
}
private bool PopulateLayer(int mipLevels, bool isHdr, OVRPlugin.Sizei size, int sampleCount)
{
bool result = false;
RenderTextureFormat format = (!isHdr) ? RenderTextureFormat.ARGB32 : RenderTextureFormat.ARGBHalf;
for (int i = 0; i < this.texturesPerStage; i++)
{
int dstElement = (this.layout != OVRPlugin.LayerLayout.Array) ? 0 : i;
int num = this.frameIndex % this.stageCount;
Texture texture = this.layerTextures[i].swapChain[num];
if (!(texture == null))
{
for (int j = 0; j < mipLevels; j++)
{
int num2 = size.w >> j;
if (num2 < 1)
{
num2 = 1;
}
int num3 = size.h >> j;
if (num3 < 1)
{
num3 = 1;
}
RenderTexture temporary = RenderTexture.GetTemporary(num2, num3, 0, format, RenderTextureReadWrite.Linear, sampleCount);
if (!temporary.IsCreated())
{
temporary.Create();
}
temporary.DiscardContents();
RenderTexture renderTexture = this.textures[i] as RenderTexture;
bool flag = isHdr || QualitySettings.activeColorSpace == ColorSpace.Linear;
flag |= (renderTexture != null && renderTexture.sRGB);
if (this.currentOverlayShape != OVROverlay.OverlayShape.Cubemap && this.currentOverlayShape != OVROverlay.OverlayShape.OffcenterCubemap)
{
OVROverlay.tex2DMaterial.SetInt("_linearToSrgb", (isHdr || !flag) ? 0 : 1);
OVROverlay.tex2DMaterial.SetInt("_premultiply", 1);
Graphics.Blit(this.textures[i], temporary, OVROverlay.tex2DMaterial);
Graphics.CopyTexture(temporary, 0, 0, texture, dstElement, j);
}
RenderTexture.ReleaseTemporary(temporary);
result = true;
}
}
}
return(result);
}
private void ConfigureEyeDesc(UnityEngine.VR.VRNode eye)
#endif
{
if (!OVRManager.isHmdPresent)
{
return;
}
OVRPlugin.Sizei size = OVRPlugin.GetEyeTextureSize((OVRPlugin.Eye)eye);
eyeDescs[(int)eye] = new EyeRenderDesc();
eyeDescs[(int)eye].resolution = new Vector2(size.w, size.h);
OVRPlugin.Frustumf2 frust;
if (OVRPlugin.GetNodeFrustum2((OVRPlugin.Node)eye, out frust))
{
eyeDescs[(int)eye].fullFov.LeftFov = Mathf.Rad2Deg * Mathf.Atan(frust.Fov.LeftTan);
eyeDescs[(int)eye].fullFov.RightFov = Mathf.Rad2Deg * Mathf.Atan(frust.Fov.RightTan);
eyeDescs[(int)eye].fullFov.UpFov = Mathf.Rad2Deg * Mathf.Atan(frust.Fov.UpTan);
eyeDescs[(int)eye].fullFov.DownFov = Mathf.Rad2Deg * Mathf.Atan(frust.Fov.DownTan);
}
else
{
OVRPlugin.Frustumf frustOld = OVRPlugin.GetEyeFrustum((OVRPlugin.Eye)eye);
eyeDescs[(int)eye].fullFov.LeftFov = Mathf.Rad2Deg * frustOld.fovX * 0.5f;
eyeDescs[(int)eye].fullFov.RightFov = Mathf.Rad2Deg * frustOld.fovX * 0.5f;
eyeDescs[(int)eye].fullFov.UpFov = Mathf.Rad2Deg * frustOld.fovY * 0.5f;
eyeDescs[(int)eye].fullFov.DownFov = Mathf.Rad2Deg * frustOld.fovY * 0.5f;
}
// Symmetric Fov uses the maximum fov angle
float maxFovX = Mathf.Max(eyeDescs[(int)eye].fullFov.LeftFov, eyeDescs[(int)eye].fullFov.RightFov);
float maxFovY = Mathf.Max(eyeDescs[(int)eye].fullFov.UpFov, eyeDescs[(int)eye].fullFov.DownFov);
eyeDescs[(int)eye].fov.x = maxFovX * 2.0f;
eyeDescs[(int)eye].fov.y = maxFovY * 2.0f;
if (!OVRPlugin.AsymmetricFovEnabled)
{
eyeDescs[(int)eye].fullFov.LeftFov = maxFovX;
eyeDescs[(int)eye].fullFov.RightFov = maxFovX;
eyeDescs[(int)eye].fullFov.UpFov = maxFovY;
eyeDescs[(int)eye].fullFov.DownFov = maxFovY;
}
}
private bool PopulateLayer(int mipLevels, bool isHdr, OVRPlugin.Sizei size, int sampleCount, int stage)
{
if (isExternalSurface)
{
return(true);
}
bool ret = false;
RenderTextureFormat rtFormat = (isHdr) ? RenderTextureFormat.ARGBHalf : RenderTextureFormat.ARGB32;
for (int eyeId = 0; eyeId < texturesPerStage; ++eyeId)
{
Texture et = layerTextures[eyeId].swapChain[stage];
if (et == null)
{
continue;
}
for (int mip = 0; mip < mipLevels; ++mip)
{
int width = size.w >> mip;
if (width < 1)
{
width = 1;
}
int height = size.h >> mip;
if (height < 1)
{
height = 1;
}
#if UNITY_2017_1_1 || UNITY_2017_2_OR_NEWER
RenderTextureDescriptor descriptor = new RenderTextureDescriptor(width, height, rtFormat, 0);
descriptor.msaaSamples = sampleCount;
descriptor.useMipMap = true;
descriptor.autoGenerateMips = false;
descriptor.sRGB = false;
var tempRTDst = RenderTexture.GetTemporary(descriptor);
#else
var tempRTDst = RenderTexture.GetTemporary(width, height, 0, rtFormat, RenderTextureReadWrite.Linear, sampleCount);
#endif
if (!tempRTDst.IsCreated())
{
tempRTDst.Create();
}
tempRTDst.DiscardContents();
bool dataIsLinear = isHdr || (QualitySettings.activeColorSpace == ColorSpace.Linear);
#if !UNITY_2017_1_OR_NEWER
var rt = textures[eyeId] as RenderTexture;
dataIsLinear |= rt != null && rt.sRGB; //HACK: Unity 5.6 and earlier convert to linear on read from sRGB RenderTexture.
#endif
#if UNITY_ANDROID && !UNITY_EDITOR
dataIsLinear = true; //HACK: Graphics.CopyTexture causes linear->srgb conversion on target write with D3D but not GLES.
#endif
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
tex2DMaterial.SetInt("_linearToSrgb", (!isHdr && dataIsLinear) ? 1 : 0);
//Resolve, decompress, swizzle, etc not handled by simple CopyTexture.
#if !UNITY_ANDROID || UNITY_EDITOR
// The PC compositor uses premultiplied alpha, so multiply it here.
tex2DMaterial.SetInt("_premultiply", 1);
#endif
Graphics.Blit(textures[eyeId], tempRTDst, tex2DMaterial);
Graphics.CopyTexture(tempRTDst, 0, 0, et, 0, mip);
}
#if UNITY_2017_1_OR_NEWER
else // Cubemap
{
for (int face = 0; face < 6; ++face)
{
cubeMaterial.SetInt("_linearToSrgb", (!isHdr && dataIsLinear) ? 1 : 0);
#if !UNITY_ANDROID || UNITY_EDITOR
// The PC compositor uses premultiplied alpha, so multiply it here.
cubeMaterial.SetInt("_premultiply", 1);
#endif
cubeMaterial.SetInt("_face", face);
//Resolve, decompress, swizzle, etc not handled by simple CopyTexture.
Graphics.Blit(textures[eyeId], tempRTDst, cubeMaterial);
Graphics.CopyTexture(tempRTDst, 0, 0, et, face, mip);
}
}
#endif
RenderTexture.ReleaseTemporary(tempRTDst);
ret = true;
}
}
return(ret);
}
private OVRPlugin.LayerDesc GetCurrentLayerDesc()
{
OVRPlugin.Sizei textureSize = new OVRPlugin.Sizei()
{
w = 0, h = 0
};
if (isExternalSurface)
{
textureSize.w = externalSurfaceWidth;
textureSize.h = externalSurfaceHeight;
}
else
{
if (textures[0] == null)
{
Debug.LogWarning("textures[0] hasn't been set");
}
textureSize.w = textures[0] ? textures[0].width : 0;
textureSize.h = textures[0] ? textures[0].height : 0;
}
OVRPlugin.LayerDesc newDesc = new OVRPlugin.LayerDesc()
{
Format = OVRPlugin.EyeTextureFormat.R8G8B8A8_sRGB,
LayerFlags = isExternalSurface ? 0 : (int)OVRPlugin.LayerFlags.TextureOriginAtBottomLeft,
Layout = layout,
MipLevels = 1,
SampleCount = 1,
Shape = (OVRPlugin.OverlayShape)currentOverlayShape,
TextureSize = textureSize
};
var tex2D = textures[0] as Texture2D;
if (tex2D != null)
{
if (tex2D.format == TextureFormat.RGBAHalf || tex2D.format == TextureFormat.RGBAFloat)
{
newDesc.Format = OVRPlugin.EyeTextureFormat.R16G16B16A16_FP;
}
newDesc.MipLevels = tex2D.mipmapCount;
}
var texCube = textures[0] as Cubemap;
if (texCube != null)
{
if (texCube.format == TextureFormat.RGBAHalf || texCube.format == TextureFormat.RGBAFloat)
{
newDesc.Format = OVRPlugin.EyeTextureFormat.R16G16B16A16_FP;
}
newDesc.MipLevels = texCube.mipmapCount;
}
var rt = textures[0] as RenderTexture;
if (rt != null)
{
newDesc.SampleCount = rt.antiAliasing;
if (rt.format == RenderTextureFormat.ARGBHalf || rt.format == RenderTextureFormat.ARGBFloat || rt.format == RenderTextureFormat.RGB111110Float)
{
newDesc.Format = OVRPlugin.EyeTextureFormat.R16G16B16A16_FP;
}
}
if (isProtectedContent)
{
newDesc.LayerFlags |= (int)OVRPlugin.LayerFlags.ProtectedContent;
}
if (isExternalSurface)
{
newDesc.LayerFlags |= (int)OVRPlugin.LayerFlags.AndroidSurfaceSwapChain;
}
return(newDesc);
}
private bool CreateLayerTextures(bool useMipmaps, OVRPlugin.Sizei size, bool isHdr)
{
if (isExternalSurface)
{
if (externalSurfaceObject == System.IntPtr.Zero)
{
externalSurfaceObject = OVRPlugin.GetLayerAndroidSurfaceObject(layerId);
if (externalSurfaceObject != System.IntPtr.Zero)
{
Debug.LogFormat("GetLayerAndroidSurfaceObject returns {0}", externalSurfaceObject);
if (externalSurfaceObjectCreated != null)
{
externalSurfaceObjectCreated();
}
}
}
return(false);
}
bool needsCopy = false;
if (stageCount <= 0)
{
return(false);
}
// For newer SDKs, blit directly to the surface that will be used in compositing.
if (layerTextures == null)
{
layerTextures = new LayerTexture[texturesPerStage];
}
for (int eyeId = 0; eyeId < texturesPerStage; ++eyeId)
{
if (layerTextures[eyeId].swapChain == null)
{
layerTextures[eyeId].swapChain = new Texture[stageCount];
}
if (layerTextures[eyeId].swapChainPtr == null)
{
layerTextures[eyeId].swapChainPtr = new IntPtr[stageCount];
}
for (int stage = 0; stage < stageCount; ++stage)
{
Texture sc = layerTextures[eyeId].swapChain[stage];
IntPtr scPtr = layerTextures[eyeId].swapChainPtr[stage];
if (sc != null && scPtr != IntPtr.Zero && size.w == sc.width && size.h == sc.height)
{
continue;
}
if (scPtr == IntPtr.Zero)
{
scPtr = OVRPlugin.GetLayerTexture(layerId, stage, (OVRPlugin.Eye)eyeId);
}
if (scPtr == IntPtr.Zero)
{
continue;
}
var txFormat = (isHdr) ? TextureFormat.RGBAHalf : TextureFormat.RGBA32;
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
sc = Texture2D.CreateExternalTexture(size.w, size.h, txFormat, useMipmaps, true, scPtr);
}
#if UNITY_2017_1_OR_NEWER
else
{
sc = Cubemap.CreateExternalTexture(size.w, txFormat, useMipmaps, scPtr);
}
#endif
layerTextures[eyeId].swapChain[stage] = sc;
layerTextures[eyeId].swapChainPtr[stage] = scPtr;
needsCopy = true;
}
}
return(needsCopy);
}
private bool CreateLayer(int mipLevels, int sampleCount, OVRPlugin.EyeTextureFormat etFormat, int flags, OVRPlugin.Sizei size, OVRPlugin.OverlayShape shape)
{
if (!layerIdHandle.IsAllocated || layerIdPtr == IntPtr.Zero)
{
layerIdHandle = GCHandle.Alloc(layerId, GCHandleType.Pinned);
layerIdPtr = layerIdHandle.AddrOfPinnedObject();
}
if (layerIndex == -1)
{
for (int i = 0; i < maxInstances; ++i)
{
if (instances[i] == null || instances[i] == this)
{
layerIndex = i;
instances[i] = this;
break;
}
}
}
bool needsSetup = (
isOverridePending ||
layerDesc.MipLevels != mipLevels ||
layerDesc.SampleCount != sampleCount ||
layerDesc.Format != etFormat ||
layerDesc.Layout != layout ||
layerDesc.LayerFlags != flags ||
!layerDesc.TextureSize.Equals(size) ||
layerDesc.Shape != shape);
if (!needsSetup)
{
return(false);
}
OVRPlugin.LayerDesc desc = OVRPlugin.CalculateLayerDesc(shape, layout, size, mipLevels, sampleCount, etFormat, flags);
OVRPlugin.EnqueueSetupLayer(desc, compositionDepth, layerIdPtr);
layerId = (int)layerIdHandle.Target;
if (layerId > 0)
{
layerDesc = desc;
if (isExternalSurface)
{
stageCount = 1;
}
else
{
stageCount = OVRPlugin.GetLayerTextureStageCount(layerId);
}
}
isOverridePending = false;
return(true);
}
private bool CreateLayer(int mipLevels, int sampleCount, OVRPlugin.EyeTextureFormat etFormat, int flags, OVRPlugin.Sizei size, OVRPlugin.OverlayShape shape)
{
if (!this.layerIdHandle.IsAllocated || this.layerIdPtr == IntPtr.Zero)
{
this.layerIdHandle = GCHandle.Alloc(this.layerId, GCHandleType.Pinned);
this.layerIdPtr = this.layerIdHandle.AddrOfPinnedObject();
}
if (this.layerIndex == -1)
{
for (int i = 0; i < 15; i++)
{
if (OVROverlay.instances[i] == null || OVROverlay.instances[i] == this)
{
this.layerIndex = i;
OVROverlay.instances[i] = this;
break;
}
}
}
if (!this.isOverridePending && this.layerDesc.MipLevels == mipLevels && this.layerDesc.SampleCount == sampleCount && this.layerDesc.Format == etFormat && this.layerDesc.LayerFlags == flags && this.layerDesc.TextureSize.Equals(size) && this.layerDesc.Shape == shape)
{
return(false);
}
OVRPlugin.LayerDesc desc = OVRPlugin.CalculateLayerDesc(shape, this.layout, size, mipLevels, sampleCount, etFormat, flags);
OVRPlugin.EnqueueSetupLayer(desc, this.layerIdPtr);
this.layerId = (int)this.layerIdHandle.Target;
if (this.layerId > 0)
{
this.layerDesc = desc;
this.stageCount = OVRPlugin.GetLayerTextureStageCount(this.layerId);
}
this.isOverridePending = false;
return(true);
}
void Awake()
{
Debug.Log("Overlay Awake");
if (premultiplyMaterial == null)
{
premultiplyMaterial = new Material(Shader.Find("Oculus/Alpha Premultiply"));
}
rend = GetComponent <Renderer>();
if (textures.Length == 0)
{
textures = new Texture[] { null }
}
;
// Backward compatibility
if (rend != null && textures[0] == null)
{
textures[0] = rend.material.mainTexture;
}
if (textures[0] != null)
{
cachedTextures[0] = textures[0];
texNativePtrs[0] = textures[0].GetNativeTexturePtr();
}
#if UNITY_ANDROID && !UNITY_EDITOR
if (textures.Length == 2 && textures[1] != null)
{
layout = (isMultiviewEnabled) ? OVRPlugin.LayerLayout.Array : OVRPlugin.LayerLayout.Stereo;
}
texturesPerStage = (layout == OVRPlugin.LayerLayout.Stereo) ? 2 : 1;
#endif
}
void OnEnable()
{
if (!OVRManager.isHmdPresent)
{
enabled = false;
return;
}
OnDisable();
for (int i = 0; i < maxInstances; ++i)
{
if (instances[i] == null || instances[i] == this)
{
layerIndex = i;
instances[i] = this;
break;
}
}
layerIdHandle = GCHandle.Alloc(layerId, GCHandleType.Pinned);
layerIdPtr = layerIdHandle.AddrOfPinnedObject();
}
void OnDisable()
{
if (layerIndex != -1)
{
// Turn off the overlay if it was on.
OVRPlugin.EnqueueSubmitLayer(true, false, IntPtr.Zero, IntPtr.Zero, -1, 0, OVRPose.identity.ToPosef(), Vector3.one.ToVector3f(), layerIndex, (OVRPlugin.OverlayShape)_prevOverlayShape);
instances[layerIndex] = null;
}
if (layerIdPtr != IntPtr.Zero)
{
OVRPlugin.EnqueueDestroyLayer(layerIdPtr);
layerIdPtr = IntPtr.Zero;
layerIdHandle.Free();
}
layerIndex = -1;
}
int prevFrameIndex = -1;
void OnRenderObject()
{
// The overlay must be specified every eye frame, because it is positioned relative to the
// current head location. If frames are dropped, it will be time warped appropriately,
// just like the eye buffers.
if (!Camera.current.CompareTag("MainCamera") || Camera.current.cameraType != CameraType.Game || layerIndex == -1 || currentOverlayType == OverlayType.None || textures.Length < texturesPerStage)
{
return;
}
// Don't submit the same frame twice.
if (Time.frameCount <= prevFrameIndex)
{
return;
}
prevFrameIndex = Time.frameCount;
#if !UNITY_ANDROID || UNITY_EDITOR
if (currentOverlayShape == OverlayShape.OffcenterCubemap)
{
Debug.LogWarning("Overlay shape " + currentOverlayShape + " is not supported on current platform");
}
#endif
for (int i = 0; i < texturesPerStage; ++i)
{
if (textures[i] != cachedTextures[i])
{
cachedTextures[i] = textures[i];
if (cachedTextures[i] != null)
{
texNativePtrs[i] = cachedTextures[i].GetNativeTexturePtr();
}
}
if (currentOverlayShape == OverlayShape.Cubemap)
{
if (textures[i] != null && textures[i].GetType() != typeof(Cubemap))
{
Debug.LogError("Need Cubemap texture for cube map overlay");
return;
}
}
}
if (cachedTextures[0] == null || texNativePtrs[0] == IntPtr.Zero)
{
return;
}
bool overlay = (currentOverlayType == OverlayType.Overlay);
bool headLocked = false;
for (var t = transform; t != null && !headLocked; t = t.parent)
{
headLocked |= (t == Camera.current.transform);
}
OVRPose pose = (headLocked) ? transform.ToHeadSpacePose() : transform.ToTrackingSpacePose();
Vector3 scale = transform.lossyScale;
for (int i = 0; i < 3; ++i)
{
scale[i] /= Camera.current.transform.lossyScale[i];
}
#if !UNITY_ANDROID
if (currentOverlayShape == OverlayShape.Cubemap)
{
pose.position = Camera.current.transform.position;
}
#endif
// Pack the offsetCenter directly into pose.position for offcenterCubemap
if (currentOverlayShape == OverlayShape.OffcenterCubemap)
{
pose.position = transform.position;
if (pose.position.magnitude > 1.0f)
{
Debug.LogWarning("your cube map center offset's magnitude is greater than 1, which will cause some cube map pixel always invisible .");
}
}
// Cylinder overlay sanity checking
if (currentOverlayShape == OverlayShape.Cylinder)
{
float arcAngle = scale.x / scale.z / (float)Math.PI * 180.0f;
if (arcAngle > 180.0f)
{
Debug.LogError("Cylinder overlay's arc angle has to be below 180 degree, current arc angle is " + arcAngle + " degree.");
return;
}
}
OVRPlugin.Sizei size = new OVRPlugin.Sizei()
{
w = textures[0].width, h = textures[0].height
};
int flags = (int)OVRPlugin.LayerFlags.TextureOriginAtBottomLeft;
int mipLevels = 1;
int sampleCount = 1;
TextureFormat txFormat = TextureFormat.BGRA32;
OVRPlugin.EyeTextureFormat etFormat = OVRPlugin.EyeTextureFormat.B8G8R8A8_sRGB;
RenderTextureFormat rtFormat = RenderTextureFormat.BGRA32;
var tex2D = textures[0] as Texture2D;
if (tex2D != null)
{
if (tex2D.format == TextureFormat.RGBAHalf || tex2D.format == TextureFormat.RGBAFloat)
{
txFormat = TextureFormat.RGBAHalf;
etFormat = OVRPlugin.EyeTextureFormat.R16G16B16A16_FP;
rtFormat = RenderTextureFormat.ARGBHalf;
}
}
var rt = textures[0] as RenderTexture;
if (rt != null)
{
sampleCount = rt.antiAliasing;
if (rt.format == RenderTextureFormat.ARGBHalf)
{
txFormat = TextureFormat.RGBAHalf;
etFormat = OVRPlugin.EyeTextureFormat.R16G16B16A16_FP;
rtFormat = RenderTextureFormat.ARGBHalf;
}
}
bool needsSetup = (
!layerDesc.TextureSize.Equals(size) ||
layerDesc.SampleCount != sampleCount ||
layerDesc.LayerFlags != flags ||
layerDesc.Shape != (OVRPlugin.OverlayShape)currentOverlayShape ||
layerDesc.Layout != layout ||
layerDesc.Format != etFormat);
OVRPlugin.LayerDesc desc = new OVRPlugin.LayerDesc();
if (layerIdPtr != IntPtr.Zero && needsSetup)
{
if ((int)layerIdHandle.Target != 0)
{
OVRPlugin.EnqueueDestroyLayer(layerIdPtr);
}
desc = OVRPlugin.CalculateLayerDesc((OVRPlugin.OverlayShape)currentOverlayShape, layout, size, mipLevels, sampleCount, etFormat, flags);
OVRPlugin.EnqueueSetupLayer(desc, layerIdPtr);
layerId = (int)layerIdHandle.Target;
if (layerId > 0)
{
layerDesc = desc;
}
}
if (layerId > 0)
{
// For newer SDKs, blit directly to the surface that will be used in compositing.
int stageCount = OVRPlugin.GetLayerTextureStageCount(layerId);
if (externalTextures == null)
{
frameIndex = 0;
externalTextures = new Texture[texturesPerStage][];
}
for (int eyeId = 0; eyeId < texturesPerStage; ++eyeId)
{
if (externalTextures[eyeId] == null)
{
externalTextures[eyeId] = new Texture[stageCount];
}
int stage = frameIndex % stageCount;
IntPtr externalTex = OVRPlugin.GetLayerTexture(layerId, stage, (OVRPlugin.Eye)eyeId);
if (externalTex == IntPtr.Zero)
{
continue;
}
bool needsCopy = isDynamic;
Texture et = externalTextures[eyeId][stage];
if (et == null)
{
bool isSrgb = (etFormat == OVRPlugin.EyeTextureFormat.B8G8R8A8_sRGB || etFormat == OVRPlugin.EyeTextureFormat.R8G8B8A8_sRGB);
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
et = Texture2D.CreateExternalTexture(size.w, size.h, txFormat, mipLevels > 1, isSrgb, externalTex);
}
#if UNITY_2017_1_OR_NEWER
else
{
//et = Cubemap.CreateExternalTexture(size.w, size.h, txFormat, mipLevels > 1, isSrgb, externalTex);
et = Cubemap.CreateExternalTexture(size.w, txFormat, isSrgb, externalTex);
}
#endif
externalTextures[eyeId][stage] = et;
needsCopy = true;
}
if (needsCopy)
{
// The compositor uses premultiplied alpha, so multiply it here.
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
var tempRT = RenderTexture.GetTemporary(size.w, size.h, 0, rtFormat, RenderTextureReadWrite.Default, sampleCount);
#if UNITY_ANDROID && !UNITY_EDITOR
Graphics.Blit(textures[eyeId], tempRT); //Resolve, decompress, swizzle, etc not handled by simple CopyTexture.
#else
Graphics.Blit(textures[eyeId], tempRT, premultiplyMaterial);
#endif
Graphics.CopyTexture(tempRT, 0, 0, et, 0, 0);
RenderTexture.ReleaseTemporary(tempRT);
}
#if UNITY_2017_1_OR_NEWER
else
{
var tempRTSrc = RenderTexture.GetTemporary(size.w, size.h, 0, rtFormat, RenderTextureReadWrite.Default, sampleCount);
var tempRTDst = RenderTexture.GetTemporary(size.w, size.h, 0, rtFormat, RenderTextureReadWrite.Default, sampleCount);
for (int face = 0; face < 6; ++face)
{
//HACK: It would be much more efficient to blit directly from textures[eyeId] to et, but Unity's API doesn't support that.
//Suggest using a native plugin to render directly to a cubemap layer for 360 video, etc.
Graphics.CopyTexture(textures[eyeId], face, 0, tempRTSrc, 0, 0);
Graphics.Blit(tempRTSrc, tempRTDst, premultiplyMaterial);
Graphics.CopyTexture(tempRTDst, 0, 0, et, face, 0);
}
RenderTexture.ReleaseTemporary(tempRTSrc);
RenderTexture.ReleaseTemporary(tempRTDst);
}
#endif
}
}
bool isOverlayVisible = OVRPlugin.EnqueueSubmitLayer(overlay, headLocked, texNativePtrs[0], texNativePtrs[1], layerId, frameIndex, pose.flipZ().ToPosef(), scale.ToVector3f(), layerIndex, (OVRPlugin.OverlayShape)currentOverlayShape);
if (isDynamic)
{
++frameIndex;
}
_prevOverlayShape = currentOverlayShape;
if (rend)
{
rend.enabled = !isOverlayVisible;
}
}
}
}
private bool PopulateLayer(int mipLevels, bool isHdr, OVRPlugin.Sizei size, int sampleCount, int stage)
{
if (isExternalSurface)
{
return(true);
}
bool ret = false;
RenderTextureFormat rtFormat = (isHdr) ? RenderTextureFormat.ARGBHalf : RenderTextureFormat.ARGB32;
for (int eyeId = 0; eyeId < texturesPerStage; ++eyeId)
{
Texture et = layerTextures[eyeId].swapChain[stage];
if (et == null)
{
continue;
}
for (int mip = 0; mip < mipLevels; ++mip)
{
bool dataIsLinear = isHdr || (QualitySettings.activeColorSpace == ColorSpace.Linear);
var rt = textures[eyeId] as RenderTexture;
#if UNITY_ANDROID && !UNITY_EDITOR
dataIsLinear = true; //HACK: Graphics.CopyTexture causes linear->srgb conversion on target write with D3D but not GLES.
#endif
// PC requries premultiplied Alpha
bool requiresPremultipliedAlpha = !Application.isMobilePlatform;
bool linearToSRGB = !isHdr && dataIsLinear;
// if the texture needs to be premultiplied, premultiply it unless its already premultiplied
bool premultiplyAlpha = requiresPremultipliedAlpha && !isAlphaPremultiplied;
bool bypassBlit = !linearToSRGB && !premultiplyAlpha && rt != null && rt.format == rtFormat;
RenderTexture tempRTDst = null;
if (!bypassBlit)
{
int width = size.w >> mip;
if (width < 1)
{
width = 1;
}
int height = size.h >> mip;
if (height < 1)
{
height = 1;
}
RenderTextureDescriptor descriptor = new RenderTextureDescriptor(width, height, rtFormat, 0);
descriptor.msaaSamples = sampleCount;
descriptor.useMipMap = true;
descriptor.autoGenerateMips = false;
descriptor.sRGB = false;
tempRTDst = RenderTexture.GetTemporary(descriptor);
if (!tempRTDst.IsCreated())
{
tempRTDst.Create();
}
tempRTDst.DiscardContents();
Material blitMat = null;
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
blitMat = tex2DMaterial;
}
else
{
blitMat = cubeMaterial;
}
blitMat.SetInt("_linearToSrgb", linearToSRGB ? 1 : 0);
blitMat.SetInt("_premultiply", premultiplyAlpha ? 1 : 0);
}
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
if (bypassBlit)
{
Graphics.CopyTexture(textures[eyeId], 0, mip, et, 0, mip);
}
else
{
if (overrideTextureRectMatrix)
{
BlitSubImage(textures[eyeId], tempRTDst, tex2DMaterial, GetBlitRect(eyeId));
}
else
{
Graphics.Blit(textures[eyeId], tempRTDst, tex2DMaterial);
}
//Resolve, decompress, swizzle, etc not handled by simple CopyTexture.
Graphics.CopyTexture(tempRTDst, 0, 0, et, 0, mip);
}
}
else // Cubemap
{
for (int face = 0; face < 6; ++face)
{
cubeMaterial.SetInt("_face", face);
if (bypassBlit)
{
Graphics.CopyTexture(textures[eyeId], face, mip, et, face, mip);
}
else
{
//Resolve, decompress, swizzle, etc not handled by simple CopyTexture.
Graphics.Blit(textures[eyeId], tempRTDst, cubeMaterial);
Graphics.CopyTexture(tempRTDst, 0, 0, et, face, mip);
}
}
}
if (tempRTDst != null)
{
RenderTexture.ReleaseTemporary(tempRTDst);
}
ret = true;
}
}
return(ret);
}
private bool PopulateLayer(int mipLevels, bool isHdr, OVRPlugin.Sizei size, int sampleCount)
{
bool ret = false;
RenderTextureFormat rtFormat = (isHdr) ? RenderTextureFormat.ARGBHalf : RenderTextureFormat.ARGB32;
for (int eyeId = 0; eyeId < texturesPerStage; ++eyeId)
{
int dstElement = (layout == OVRPlugin.LayerLayout.Array) ? eyeId : 0;
int stage = frameIndex % stageCount;
Texture et = layerTextures[eyeId].swapChain[stage];
if (et == null)
{
continue;
}
for (int mip = 0; mip < mipLevels; ++mip)
{
#if UNITY_2017_1_1 || UNITY_2017_2_OR_NEWER
int width = size.w >> mip;
if (width < 1)
{
width = 1;
}
int height = size.h >> mip;
if (height < 1)
{
height = 1;
}
RenderTextureDescriptor descriptor = new RenderTextureDescriptor(width, height, rtFormat, 0);
descriptor.msaaSamples = sampleCount;
descriptor.useMipMap = true;
descriptor.autoGenerateMips = false;
var tempRTDst = RenderTexture.GetTemporary(descriptor);
#else
var tempRTDst = RenderTexture.GetTemporary(size.w >> mip, size.h >> mip, 0, rtFormat, RenderTextureReadWrite.Default, sampleCount);
#endif
if (!tempRTDst.IsCreated())
{
tempRTDst.Create();
}
tempRTDst.DiscardContents();
if (currentOverlayShape != OverlayShape.Cubemap && currentOverlayShape != OverlayShape.OffcenterCubemap)
{
#if UNITY_ANDROID && !UNITY_EDITOR
if (((textures[eyeId] as Cubemap) != null) &&
((et as Cubemap) != null) &&
((textures[eyeId] as Cubemap).format == (et as Cubemap).format))
{
Graphics.CopyTexture(textures[eyeId], 0, mip, et, 0, mip);
}
else
{
Graphics.Blit(textures[eyeId], tempRTDst); //Resolve, decompress, swizzle, etc not handled by simple CopyTexture.
Graphics.CopyTexture(tempRTDst, 0, 0, et, dstElement, mip);
}
#else
// The PC compositor uses premultiplied alpha, so multiply it here.
Graphics.Blit(textures[eyeId], tempRTDst, premultiplyMaterial);
Graphics.CopyTexture(tempRTDst, 0, 0, et, dstElement, mip);
#endif
}
#if UNITY_2017_1_OR_NEWER
else // Cubemap
{
var tempRTSrc = RenderTexture.GetTemporary(size.w >> mip, size.h >> mip, 0, rtFormat, RenderTextureReadWrite.Default, sampleCount);
if (!tempRTSrc.IsCreated())
{
tempRTSrc.Create();
}
tempRTSrc.DiscardContents();
for (int face = 0; face < 6; ++face)
{
#if UNITY_ANDROID && !UNITY_EDITOR
if ((textures[eyeId] as Cubemap).format == (et as Cubemap).format)
{
Graphics.CopyTexture(textures[eyeId], face, mip, et, 0, mip);
}
else
{
//HACK: It would be much more efficient to blit directly from textures[eyeId] to et, but Unity's API doesn't support that.
//Suggest using a native plugin to render directly to a cubemap layer for 360 video, etc.
Graphics.CopyTexture(textures[eyeId], face, mip, tempRTSrc, 0, 0);
Graphics.Blit(tempRTSrc, tempRTDst);
Graphics.CopyTexture(tempRTDst, 0, 0, et, face, mip);
}
#else
//HACK: It would be much more efficient to blit directly from textures[eyeId] to et, but Unity's API doesn't support that.
//Suggest using a native plugin to render directly to a cubemap layer for 360 video, etc.
Graphics.CopyTexture(textures[eyeId], face, mip, tempRTSrc, 0, 0);
// The PC compositor uses premultiplied alpha, so multiply it here.
Graphics.Blit(tempRTSrc, tempRTDst, premultiplyMaterial);
Graphics.CopyTexture(tempRTDst, 0, 0, et, face, mip);
#endif
}
RenderTexture.ReleaseTemporary(tempRTSrc);
}
#endif
RenderTexture.ReleaseTemporary(tempRTDst);
ret = true;
}
}
return(ret);
}
