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Reworked image effect integration, splitting things up into separate methods to improve readability and comprehension.

mac-autoexp
Nico de Poel 3 years ago
parent
4f0edf6049
commit
ff879b658d
1 changed files with 91 additions and 46 deletions
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  1. 127
      Assets/Scripts/Fsr2ImageEffect.cs

127
Assets/Scripts/Fsr2ImageEffect.cs
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@ -157,7 +157,30 @@ namespace FidelityFX
}
_helper = GetComponent<Fsr2ImageEffectHelper>();
_copyWithDepthMaterial = new Material(Shader.Find("Hidden/BlitCopyWithDepth"));
CreateFsrContext();
CreateCommandBuffers();
}
private void OnDisable()
{
DestroyCommandBuffers();
DestroyFsrContext();
if (_copyWithDepthMaterial != null)
{
Destroy(_copyWithDepthMaterial);
_copyWithDepthMaterial = null;
}
// Restore the camera's original state
_renderCamera.depthTextureMode = _originalDepthTextureMode;
_renderCamera.targetTexture = _originalRenderTarget;
}
private void CreateFsrContext()
{
// Initialize FSR2 context
Fsr2.InitializationFlags flags = 0;
if (_renderCamera.allowHDR) flags |= Fsr2.InitializationFlags.EnableHighDynamicRange;
@ -166,48 +189,33 @@ namespace FidelityFX
_context = Fsr2.CreateContext(_displaySize, _renderSize, Callbacks, flags);
_dispatchCommandBuffer = new CommandBuffer { name = "FSR2 Dispatch" };
_opaqueInputCommandBuffer = new CommandBuffer { name = "FSR2 Opaque Input" };
_renderCamera.AddCommandBuffer(CameraEvent.BeforeForwardAlpha, _opaqueInputCommandBuffer);
_copyWithDepthMaterial = new Material(Shader.Find("Hidden/BlitCopyWithDepth"));
_prevDisplaySize = _displaySize;
_prevQualityMode = qualityMode;
_prevAutoExposure = enableAutoExposure;
// Apply a mipmap bias so that textures retain their sharpness
float biasOffset = Fsr2.GetMipmapBiasOffset(_renderSize.x, _displaySize.x);
if (!float.IsNaN(biasOffset) && !float.IsInfinity(biasOffset))
{
Callbacks.ApplyMipmapBias(biasOffset);
_appliedBiasOffset = biasOffset;
}
else
{
_appliedBiasOffset = 0f;
}
ApplyMipmapBias();
}
private void OnDisable()
private void DestroyFsrContext()
{
// Undo the current mipmap bias offset
if (!float.IsNaN(_appliedBiasOffset) && !float.IsInfinity(_appliedBiasOffset) && _appliedBiasOffset != 0f)
UndoMipmapBias();
if (_context != null)
{
Callbacks.ApplyMipmapBias(-_appliedBiasOffset);
_appliedBiasOffset = 0f;
_context.Destroy();
_context = null;
}
}
// Restore the camera's original state
_renderCamera.depthTextureMode = _originalDepthTextureMode;
_renderCamera.targetTexture = _originalRenderTarget;
if (_copyWithDepthMaterial != null)
private void CreateCommandBuffers()
{
Destroy(_copyWithDepthMaterial);
_copyWithDepthMaterial = null;
_dispatchCommandBuffer = new CommandBuffer { name = "FSR2 Dispatch" };
_opaqueInputCommandBuffer = new CommandBuffer { name = "FSR2 Opaque Input" };
_renderCamera.AddCommandBuffer(CameraEvent.BeforeForwardAlpha, _opaqueInputCommandBuffer);
}
private void DestroyCommandBuffers()
{
if (_opaqueInputCommandBuffer != null)
{
_renderCamera.RemoveCommandBuffer(CameraEvent.BeforeForwardAlpha, _opaqueInputCommandBuffer);
@ -220,11 +228,30 @@ namespace FidelityFX
_dispatchCommandBuffer.Release();
_dispatchCommandBuffer = null;
}
}
if (_context != null)
private void ApplyMipmapBias()
{
_context.Destroy();
_context = null;
// Apply a mipmap bias so that textures retain their sharpness
float biasOffset = Fsr2.GetMipmapBiasOffset(_renderSize.x, _displaySize.x);
if (!float.IsNaN(biasOffset) && !float.IsInfinity(biasOffset))
{
Callbacks.ApplyMipmapBias(biasOffset);
_appliedBiasOffset = biasOffset;
}
else
{
_appliedBiasOffset = 0f;
}
}
private void UndoMipmapBias()
{
// Undo the current mipmap bias offset
if (!float.IsNaN(_appliedBiasOffset) && !float.IsInfinity(_appliedBiasOffset) && _appliedBiasOffset != 0f)
{
Callbacks.ApplyMipmapBias(-_appliedBiasOffset);
_appliedBiasOffset = 0f;
}
}
@ -267,19 +294,18 @@ namespace FidelityFX
_opaqueInputCommandBuffer.Blit(BuiltinRenderTextureType.CameraTarget, _colorOpaqueOnly);
}
// Set up the parameters to auto-generate a reactive mask
if (autoGenerateReactiveMask)
{
_genReactiveDescription.ColorOpaqueOnly = _colorOpaqueOnly;
_genReactiveDescription.ColorPreUpscale = null;
_genReactiveDescription.OutReactive = null;
_genReactiveDescription.RenderSize = _renderSize;
_genReactiveDescription.Scale = generateReactiveParameters.scale;
_genReactiveDescription.CutoffThreshold = generateReactiveParameters.cutoffThreshold;
_genReactiveDescription.BinaryValue = generateReactiveParameters.binaryValue;
_genReactiveDescription.Flags = generateReactiveParameters.flags;
SetupAutoReactiveDescription();
}
SetupDispatchDescription();
ApplyJitter();
}
private void SetupDispatchDescription()
{
// Set up the main FSR2 dispatch parameters
// The input and output textures are left blank here, as they are already being bound elsewhere in this source file
_dispatchDescription.Color = null;
@ -324,7 +350,23 @@ namespace FidelityFX
// Swap the near and far clip plane distances as FSR2 expects this when using inverted depth
(_dispatchDescription.CameraNear, _dispatchDescription.CameraFar) = (_dispatchDescription.CameraFar, _dispatchDescription.CameraNear);
}
}
private void SetupAutoReactiveDescription()
{
// Set up the parameters to auto-generate a reactive mask
_genReactiveDescription.ColorOpaqueOnly = _colorOpaqueOnly;
_genReactiveDescription.ColorPreUpscale = null;
_genReactiveDescription.OutReactive = null;
_genReactiveDescription.RenderSize = _renderSize;
_genReactiveDescription.Scale = generateReactiveParameters.scale;
_genReactiveDescription.CutoffThreshold = generateReactiveParameters.cutoffThreshold;
_genReactiveDescription.BinaryValue = generateReactiveParameters.binaryValue;
_genReactiveDescription.Flags = generateReactiveParameters.flags;
}
private void ApplyJitter()
{
// Perform custom jittering of the camera's projection matrix according to FSR2's recipe
int jitterPhaseCount = Fsr2.GetJitterPhaseCount(_renderSize.x, _displaySize.x);
Fsr2.GetJitterOffset(out float jitterX, out float jitterY, Time.frameCount, jitterPhaseCount);
@ -386,8 +428,11 @@ namespace FidelityFX
Graphics.ExecuteCommandBuffer(_dispatchCommandBuffer);
if (_colorOpaqueOnly != null)
{
RenderTexture.ReleaseTemporary(_colorOpaqueOnly);
_colorOpaqueOnly = null;
}
// Shut up the Unity warning about not writing to the destination texture
RenderTexture.active = dest;

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