private void SetupBackgroundBlit()
{
var mainCamera = GetComponent <Camera>();
//IARCamera arCamera = GetComponent<ARCamera>().Camera;
//Debug.Assert (arCamera!=null);
int renderTextureWidth = targetRenderTexture.width;
int renderTextureHeight = targetRenderTexture.height;
// Clean up any previous command buffer and events hooks
if (m_blitCommandBuffer != null)
{
ARResources.DeregisterChangeCallback(SetupBackgroundBlit);
mainCamera.RemoveCommandBuffer(CameraEvent.BeforeForwardOpaque, m_blitCommandBuffer);
mainCamera.RemoveCommandBuffer(CameraEvent.AfterSkybox, m_releaseCommandBuffer);
}
// Create the blit command buffer
m_blitCommandBuffer = new CommandBuffer();
m_blitCommandBuffer.GetTemporaryRT(workingRenderTextureID, renderTextureWidth, renderTextureHeight, 0, FilterMode.Bilinear);
m_blitCommandBuffer.name = "Get ARBackground";
var blitMat = Resources.Load <Material>("Materials/ARCoreBlit");
var texture = this.GetComponentInChildren <BackgroundPlaneBehaviour>().Material.mainTexture;
m_blitCommandBuffer.Blit(texture, workingRenderTextureID, blitMat); //this process may not be necesary
if (shouldBlurRenderTexture)
{
// The optional blur step
fastBlur = GetComponent <FastBlur>();
Debug.Assert(fastBlur);
fastBlur.CreateBlurCommandBuffer(m_blitCommandBuffer, workingRenderTextureID, renderTextureWidth, renderTextureHeight);
}
// Copy over to the target texture. Use a blend texture to stop light flickering.
m_blitCommandBuffer.Blit(workingRenderTextureID, targetRenderTexture, blendMaterial);
// Run the command buffer just before opaque rendering
mainCamera.AddCommandBuffer(CameraEvent.BeforeForwardOpaque, m_blitCommandBuffer);
// Cleanup the temp render textures
m_releaseCommandBuffer = new CommandBuffer();
m_releaseCommandBuffer.name = "Release ARBackground";
m_releaseCommandBuffer.ReleaseTemporaryRT(workingRenderTextureID);
mainCamera.AddCommandBuffer(CameraEvent.AfterSkybox, m_releaseCommandBuffer);
isCapturing = true;
// Rebuild the command buffer if anything changes
ARResources.RegisterChangeCallback(SetupBackgroundBlit);
}
private void SetupBackgroundBlit()
{
Debug.Assert(Camera.main != null, "You must have a Camera tagged as MainCamera in your scene.");
Camera mainCamera = Camera.main;
Debug.Log("Main Camera is on GameObject - " + mainCamera.gameObject.name);
IARCamera arCamera = GetComponent <ARCamera>().Camera;
Debug.Assert(arCamera != null);
int renderTextureWidth = targetRenderTexture.width;
int renderTextureHeight = targetRenderTexture.height;
// Clean up any previous command buffer and events hooks
if (m_blitCommandBuffer != null)
{
mainCamera.RemoveCommandBuffer(CameraEvent.BeforeForwardOpaque, m_blitCommandBuffer);
mainCamera.RemoveCommandBuffer(CameraEvent.AfterSkybox, m_releaseCommandBuffer);
}
// Create the blit command buffer
m_blitCommandBuffer = new CommandBuffer();
m_blitCommandBuffer.GetTemporaryRT(workingRenderTextureID, renderTextureWidth, renderTextureHeight, 0, FilterMode.Bilinear);
m_blitCommandBuffer.name = "Get ARBackground";
arCamera.BlitCameraTexture(m_blitCommandBuffer, workingRenderTextureID);
if (shouldBlurRenderTexture)
{
// The optional blur step
fastBlur = GetComponent <FastBlur>();
Debug.Assert(fastBlur);
fastBlur.CreateBlurCommandBuffer(m_blitCommandBuffer, workingRenderTextureID, renderTextureWidth, renderTextureHeight);
}
// Copy over to the target texture. Use a blend texture to stop light flickering.
m_blitCommandBuffer.Blit(workingRenderTextureID, targetRenderTexture);
// Run the command buffer just before opaque rendering
mainCamera.AddCommandBuffer(CameraEvent.BeforeForwardOpaque, m_blitCommandBuffer);
// Cleanup the temp render textures
m_releaseCommandBuffer = new CommandBuffer();
m_releaseCommandBuffer.name = "Release ARBackground";
m_releaseCommandBuffer.ReleaseTemporaryRT(workingRenderTextureID);
mainCamera.AddCommandBuffer(CameraEvent.AfterSkybox, m_releaseCommandBuffer);
isCapturing = true;
}
