/**
* Returns what the device's camera is capturing as an RGBA texture.
*/
public Texture2D GetRealityRGBATexture()
{
var appEnvironment = bridge.GetXRAppEnvironment();
var envTex = appEnvironment.getManagedCameraTextures().getRgbaTexture();
if (realityRGBATexture != null &&
realityRGBATexture.height == envTex.getHeight() &&
realityRGBATexture.width == envTex.getWidth())
{
return(realityRGBATexture);
}
// Create a texture
IntPtr envTexPtr = (IntPtr)envTex.getPtr();
if (envTexPtr != IntPtr.Zero)
{
realityRGBATexture = Texture2D.CreateExternalTexture(
envTex.getWidth(),
envTex.getHeight(),
TextureFormat.RGBA32,
false,
false,
envTexPtr);
}
else
{
realityRGBATexture = new Texture2D(
envTex.getWidth(),
envTex.getHeight(),
TextureFormat.RGBA32,
false);
}
captureAspect = envTex.getWidth() * 1.0f / envTex.getHeight();
// Set point filtering just so we can see the pixels clearly
realityRGBATexture.filterMode = FilterMode.Point;
// Call Apply() so it's actually uploaded to the GPU
realityRGBATexture.Apply();
if (envTexPtr == IntPtr.Zero)
{
// Pass texture pointer to the plugin only if it doesn't manage one itself.
bridge.SetManagedCameraRGBATexture(
realityRGBATexture.GetNativeTexturePtr(),
realityRGBATexture.width,
realityRGBATexture.height,
GetRenderingSystem());
}
return(realityRGBATexture);
}
