def configureEyeTextureInfo(self):
"""
This function creates the necessary Oculus Rift texture information structure for each eye
to Allow Oculus Rift SDK to render properly
"""
# Create the left eye texture information structure
leftEyeTexture=oculusvr.texture()
leftEyeTexture.API=oculusvr.ovrRenderAPI_OpenGL
leftEyeTexture.TextureSize=self.FullTextureSize
leftEyeTexture.RenderViewport.Size=oculusvr.sizei(self.FullTextureSize.w/2,self.FullTextureSize.h)
leftEyeTexture.RenderViewport.Pos.x=0
leftEyeTexture.RenderViewport.Pos.y=0
leftEyeTexture.TexId=self.cTextureID
# Create the right eye texture information structure
rightEyeTexture=oculusvr.texture()
rightEyeTexture.API=oculusvr.ovrRenderAPI_OpenGL
rightEyeTexture.TextureSize=self.FullTextureSize
rightEyeTexture.RenderViewport.Size=oculusvr.sizei(self.FullTextureSize.w/2,self.FullTextureSize.h)
rightEyeTexture.RenderViewport.Pos.x=(self.FullTextureSize.w+1)/2
rightEyeTexture.RenderViewport.Pos.y=0
rightEyeTexture.TexId=self.cTextureID
# Combine left eye and right eye in a single list
self.EyeTextures=[leftEyeTexture,rightEyeTexture]
def computeTextureSize(self):
"""
This function computes the desired texture size for the rendering texture of the Oculus Rift.
We render both eyes into the same texture
"""
# Get the texture size for the left eye
leftEyeTextureSize = oculusvr.ovrHmd_GetFovTextureSize(self.HMD, oculusvr.ovrEye_Left,
self.HMDDesc.DefaultEyeFov[0], 1.0)
# Get the texture size for the right eye
rightEyeTextureSize = oculusvr.ovrHmd_GetFovTextureSize(self.HMD, oculusvr.ovrEye_Right,
self.HMDDesc.DefaultEyeFov[1], 1.0)
# Calculate the texture size for the final texture which is used for both eyes
self.FullTextureSize=oculusvr.sizei()
self.FullTextureSize.w=leftEyeTextureSize.w+rightEyeTextureSize.w
self.FullTextureSize.h=max(leftEyeTextureSize.h,rightEyeTextureSize.h)