/// <summary>
/// Render camera background image with tracked frame
/// </summary>
/// <param name="state">TrackingState</param>
public void UpdateCameraBackgroundImage(TrackingState state)
{
if (!keepRendering)
{
return;
}
TrackedImage image = state.GetImage(rg16TextureSupported);
if (prevImageIndex == image.GetIndex())
{
return;
}
prevImageIndex = image.GetIndex();
if (image.GetWidth() == 0 && image.GetHeight() == 0)
{
return;
}
if (!textureCreateDone)
{
CreateCameraTexture(image.GetWidth(), image.GetHeight(), image.GetFormat());
textureCreateDone = true;
}
UpdateCameraTexture(image);
TransformBackgroundPlane();
}
/// <summary>
/// Render camera background image with tracked frame
/// </summary>
/// <param name="state">TrackingState</param>
public void UpdateCameraBackgroundImage(TrackingState state)
{
if (!keepRendering)
{
return;
}
TrackedImage image = state.GetImage(!rg16SupportGpuAndUnityVersionCheck);
if (prevImageIndex == image.GetIndex())
{
return;
}
prevImageIndex = image.GetIndex();
if (image.GetWidth() == 0 && image.GetHeight() == 0)
{
return;
}
if (!textureCreateDone)
{
CreateCameraTexture(image.GetWidth(), image.GetHeight(), image.GetFormat());
textureCreateDone = true;
}
UpdateInternal(image);
}
private void UpdateCameraTexture(TrackedImage image)
{
IntPtr camDataPtr = image.GetDataPtr();
switch (image.GetFormat())
{
case ColorFormat.RGBA8888:
if (rgbaTexture != null)
{
rgbaTexture.LoadRawTextureData(camDataPtr, image.GetWidth() * image.GetHeight() * 4);
rgbaTexture.Apply();
}
break;
case ColorFormat.RGB888:
if (rgbTexture != null)
{
rgbTexture.LoadRawTextureData(camDataPtr, image.GetWidth() * image.GetHeight() * 3);
rgbTexture.Apply();
}
break;
case ColorFormat.YUV420sp:
if (uvTexture != null) // It means that RG16 texture format is supported
{
IntPtr yPtr = IntPtr.Zero;
IntPtr uvPtr = IntPtr.Zero;
image.GetYuv420spYUVPtr(out yPtr, out uvPtr);
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
uvTexture.LoadRawTextureData(uvPtr, image.GetWidth() * image.GetHeight() / 2);
uvTexture.Apply();
}
else if (yTexture != null && uTexture != null && vTexture != null)
{
IntPtr yPtr = IntPtr.Zero;
IntPtr uPtr = IntPtr.Zero;
IntPtr vPtr = IntPtr.Zero;
image.GetYuv420spYUVPtr(out yPtr, out uPtr, out vPtr);
int uvSize = image.GetWidth() * image.GetHeight() / 2;
yTexture.LoadRawTextureData(camDataPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
uTexture.LoadRawTextureData(uPtr, uvSize / 2);
uTexture.Apply();
vTexture.LoadRawTextureData(vPtr, uvSize / 2);
vTexture.Apply();
}
break;
case ColorFormat.YUV420_888:
if (u16bitTexture != null) // It means that RG16 texture format is supported
{
IntPtr yPtr = IntPtr.Zero;
IntPtr uPtr = IntPtr.Zero;
IntPtr vPtr = IntPtr.Zero;
image.GetYuv420_888YUVPtr(out yPtr, out uPtr, out vPtr, true);
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
u16bitTexture.LoadRawTextureData(uPtr, image.GetWidth() * image.GetHeight() / 2);
u16bitTexture.Apply();
v16bitTexture.LoadRawTextureData(vPtr, image.GetWidth() * image.GetHeight() / 2);
v16bitTexture.Apply();
}
else if (yTexture != null && uTexture != null && vTexture != null)
{
IntPtr yPtr = IntPtr.Zero;
IntPtr uPtr = IntPtr.Zero;
IntPtr vPtr = IntPtr.Zero;
image.GetYuv420_888YUVPtr(out yPtr, out uPtr, out vPtr, false);
int uSize = image.GetWidth() * image.GetHeight() / 2;
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
uTexture.LoadRawTextureData(uPtr, uSize / 2);
uTexture.Apply();
vTexture.LoadRawTextureData(vPtr, uSize / 2);
vTexture.Apply();
}
break;
}
}
void UpdateInternal(TrackedImage image)
{
IntPtr cameraFramePtr = image.GetDataPtr();
switch (image.GetFormat())
{
case ColorFormat.RGB888:
if (rgbTexture != null)
{
rgbTexture.LoadRawTextureData(cameraFramePtr, image.GetWidth() * image.GetHeight() * 3);
rgbTexture.Apply();
}
break;
case ColorFormat.YUV420sp:
if (uvTexture != null) // It means that RG16 texture format is supported
{
IntPtr yPtr;
IntPtr uvPtr;
unsafe
{
byte *pointer = (byte *)cameraFramePtr.ToPointer();
yPtr = (IntPtr)pointer;
pointer += image.GetWidth() * image.GetHeight();
uvPtr = (IntPtr)pointer;
}
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
uvTexture.LoadRawTextureData(uvPtr, image.GetWidth() * image.GetHeight() / 2);
uvTexture.Apply();
}
else if (yTexture != null && uTexture != null && vTexture != null)
{
IntPtr yPtr;
IntPtr uPtr;
IntPtr vPtr;
int uvSize = image.GetWidth() * image.GetHeight() / 2;
unsafe
{
byte *pointer = (byte *)cameraFramePtr.ToPointer();
yPtr = (IntPtr)pointer;
pointer += image.GetWidth() * image.GetHeight();
uPtr = (IntPtr)pointer;
pointer += uvSize / 2;
vPtr = (IntPtr)pointer;
}
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
uTexture.LoadRawTextureData(uPtr, uvSize / 2);
uTexture.Apply();
vTexture.LoadRawTextureData(vPtr, uvSize / 2);
vTexture.Apply();
}
break;
case ColorFormat.YUV420_888:
if (u16bitTexture != null) // It means that RG16 texture format is supported
{
IntPtr yPtr;
IntPtr uPtr;
IntPtr vPtr;
unsafe
{
byte *pointer = (byte *)cameraFramePtr.ToPointer();
yPtr = (IntPtr)pointer;
pointer += image.GetWidth() * image.GetHeight();
uPtr = (IntPtr)pointer;
pointer += image.GetWidth() * image.GetHeight() / 2;
vPtr = (IntPtr)pointer;
}
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
u16bitTexture.LoadRawTextureData(uPtr, image.GetWidth() * image.GetHeight() / 2);
u16bitTexture.Apply();
v16bitTexture.LoadRawTextureData(vPtr, image.GetWidth() * image.GetHeight() / 2);
v16bitTexture.Apply();
}
else if (yTexture != null && uTexture != null && vTexture != null)
{
IntPtr yPtr;
IntPtr uPtr;
IntPtr vPtr;
int uSize = image.GetWidth() * image.GetHeight() / 2;
unsafe
{
byte *pointer = (byte *)cameraFramePtr.ToPointer();
yPtr = (IntPtr)pointer;
pointer += image.GetWidth() * image.GetHeight();
uPtr = (IntPtr)pointer;
pointer += uSize;
vPtr = (IntPtr)pointer;
}
yTexture.LoadRawTextureData(yPtr, image.GetWidth() * image.GetHeight());
yTexture.Apply();
uTexture.LoadRawTextureData(uPtr, uSize / 2);
uTexture.Apply();
vTexture.LoadRawTextureData(vPtr, uSize / 2);
vTexture.Apply();
}
break;
}
}