private void OnUpdate()
{
if (_queue.Count == 0 || (_task != null && _task.Enabled))
{
return;
}
// TODO: add delay when processing the requests to reduce perf impact (eg. 0.2s before actual rendering)
// Setup pipeline
if (_atlases == null)
{
_atlases = new List <Atlas>(4);
}
if (_output == null)
{
_output = GPUDevice.Instance.CreateTexture("CameraCutMedia.Output");
var desc = GPUTextureDescription.New2D(Width, Height, PixelFormat.R8G8B8A8_UNorm);
_output.Init(ref desc);
}
if (_task == null)
{
_task = Object.New <SceneRenderTask>();
_task.Output = _output;
_task.Begin += OnBegin;
_task.End += OnEnd;
}
// Kick off the rendering
_task.Enabled = true;
}
/// <summary>
/// Synchronizes size of the back buffer with the size of the control.
/// </summary>
public void SyncBackbufferSize()
{
float scale = ResolutionScale * Platform.DpiScale;
int width = Mathf.CeilToInt(Width * scale);
int height = Mathf.CeilToInt(Height * scale);
if (_backBuffer == null || _backBuffer.Width == width && _backBuffer.Height == height)
{
return;
}
if (width < 1 || height < 1)
{
_backBuffer.ReleaseGPU();
Object.Destroy(ref _backBufferOld);
return;
}
// Cache old backbuffer to remove flickering effect
if (_backBufferOld == null && _backBuffer.IsAllocated)
{
_backBufferOld = _backBuffer;
_backBuffer = GPUDevice.Instance.CreateTexture();
}
// Set timeout to remove old buffer
_oldBackbufferLiveTimeLeft = 3;
// Resize backbuffer
var desc = GPUTextureDescription.New2D(width, height, BackBufferFormat);
_backBuffer.Init(ref desc);
_task.Output = _backBuffer;
}
public override void Initialize()
{
_output = GPUDevice.CreateTexture();
_cachedSize = SizeGetter();
var description = GPUTextureDescription.New2D(_cachedSize.X, _cachedSize.Y, PixelFormat.R8G8B8A8_UNorm);
_output.Init(ref description);
_outputPromise.SetResult(_output);
Task.Render = OnRender;
Task.Enabled = true;
}
/// <inheritdoc />
public override void OnInit()
{
// Create cache folder
if (!Directory.Exists(_cacheFolder))
{
Directory.CreateDirectory(_cacheFolder);
}
// Find atlases in a Editor cache directory
var files = Directory.GetFiles(_cacheFolder, "cache_*.flax", SearchOption.TopDirectoryOnly);
int atlases = 0;
for (int i = 0; i < files.Length; i++)
{
// Load asset
var asset = FlaxEngine.Content.LoadAsync(files[i]);
if (asset == null)
{
continue;
}
// Validate type
if (asset is PreviewsCache atlas)
{
// Cache atlas
atlases++;
_cache.Add(atlas);
}
else
{
// Skip asset
Editor.LogWarning(string.Format("Asset \'{0}\' is inside Editor\'s private directory for Assets Thumbnails Cache. Please move it.", asset.Path));
}
}
Editor.Log(string.Format("Previews cache count: {0} (capacity for {1} icons)", atlases, atlases * PreviewsCache.AssetIconsPerAtlas));
// Prepare at least one atlas
if (_cache.Count == 0)
{
GetValidAtlas();
}
// Create render task but disabled for now
_output = GPUDevice.Instance.CreateTexture("ThumbnailsOutput");
var desc = GPUTextureDescription.New2D(PreviewsCache.AssetIconSize, PreviewsCache.AssetIconSize, PreviewsCache.AssetIconsAtlasFormat);
_output.Init(ref desc);
_task = Object.New <RenderTask>();
_task.Order = 50; // Render this task later
_task.Enabled = false;
_task.Render += OnRender;
}
public override void Initialize()
{
StringBuilder sb = new StringBuilder(512);
ETrackedPropertyError error = ETrackedPropertyError.TrackedProp_Success;
uint ret = _vrSystem.GetStringTrackedDeviceProperty(
OVR.k_unTrackedDeviceIndex_Hmd,
ETrackedDeviceProperty.Prop_TrackingSystemName_String,
sb,
512u,
ref error);
if (error != ETrackedPropertyError.TrackedProp_Success)
{
_deviceName = "<Unknown OpenVR Device>";
}
else
{
_deviceName = sb.ToString();
}
uint eyeWidth = 0;
uint eyeHeight = 0;
_vrSystem.GetRecommendedRenderTargetSize(ref eyeWidth, ref eyeHeight);
_leftEyeGT = GPUDevice.CreateTexture();
var descLeftEye = GPUTextureDescription.New2D((int)eyeWidth, (int)eyeHeight, 1, PixelFormat.R8G8B8A8_UNorm, msaaLevel: _options.EyeRenderTargetSampleCount);
_leftEyeGT.Init(ref descLeftEye);
_rightEyeGT = GPUDevice.CreateTexture();
var descRightEye = GPUTextureDescription.New2D((int)eyeWidth, (int)eyeHeight, 1, PixelFormat.R8G8B8A8_UNorm, msaaLevel: _options.EyeRenderTargetSampleCount);
_rightEyeGT.Init(ref descRightEye);
Matrix eyeToHeadLeft = ToSysMatrix(_vrSystem.GetEyeToHeadTransform(EVREye.Eye_Left));
Matrix.Invert(ref eyeToHeadLeft, out _headToEyeLeft);
Matrix eyeToHeadRight = ToSysMatrix(_vrSystem.GetEyeToHeadTransform(EVREye.Eye_Right));
Matrix.Invert(ref eyeToHeadRight, out _headToEyeRight);
// Default RH matrices
/*_projLeft = ToSysMatrix(_vrSystem.GetProjectionMatrix(EVREye.Eye_Left, 0.1f, 10000f));
* _projRight = ToSysMatrix(_vrSystem.GetProjectionMatrix(EVREye.Eye_Right, 0.1f, 10000f));*/
// Build LH projection matrices (https://github.com/ValveSoftware/openvr/wiki/IVRSystem::GetProjectionRaw)
float pLeft = 0;
float pRight = 0;
float pTop = 0;
float pBottom = 0;
// Default values
float zNear = 0.1f;
float zFar = 20000f;
_vrSystem.GetProjectionRaw(EVREye.Eye_Left, ref pLeft, ref pRight, ref pTop, ref pBottom);
_projLeft = Matrix.PerspectiveOffCenter(pLeft * zNear, pRight * zNear, pBottom * zNear * -1f, pTop * zNear * -1f, zNear, zFar);
_vrSystem.GetProjectionRaw(EVREye.Eye_Right, ref pLeft, ref pRight, ref pTop, ref pBottom);
_projRight = Matrix.PerspectiveOffCenter(pLeft * zNear, pRight * zNear, pBottom * zNear * -1f, pTop * zNear * -1f, zNear, zFar);
}
