public void PreCullFrame(Camera camera, WeatherMakerDownsampleScale scale, WeatherMakerTemporalReprojectionSize projSize)
{
if (TemporalReprojectionMaterial == null)
{
return;
}
WeatherMakerCameraType cameraType = WeatherMakerScript.GetCameraType(camera);
if (cameraType == WeatherMakerCameraType.Other)
{
return;
}
int projSizeInt = (int)projSize;
int downsampling = (int)scale;
int frameWidth = camera.pixelWidth / downsampling;
int frameHeight = camera.pixelHeight / downsampling;
// ensure reprojection fits cleanly into frame
while (frameWidth % projSizeInt != 0)
{
frameWidth++;
}
while (frameHeight % projSizeInt != 0)
{
frameHeight++;
}
if (frameWidth != FrameWidth || frameHeight != FrameHeight || ReprojectionSize != projSizeInt)
{
DisposeRenderTextures();
ReprojectionSize = projSizeInt;
ReprojectionSizeSquared = ReprojectionSize * ReprojectionSize;
CreateFrameNumbers();
FrameWidth = frameWidth;
FrameHeight = frameHeight;
SubFrameWidth = frameWidth / projSizeInt;
SubFrameHeight = frameHeight / projSizeInt;
RenderTextureFormat format = camera.allowHDR ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default;
RenderTextureDescriptor descSubFrame = WeatherMakerFullScreenEffect.GetRenderTextureDescriptor(downsampling, projSizeInt, projSizeInt, format, 0, camera);
subFrameCurrent = WeatherMakerFullScreenEffect.CreateRenderTexture(descSubFrame, FilterMode.Bilinear, TextureWrapMode.Clamp);
subFrameCurrent.name = "WeatherMakerTemporalReprojectionSubFrame";
RenderTextureDescriptor descPrevFrame = WeatherMakerFullScreenEffect.GetRenderTextureDescriptor(downsampling, projSizeInt, 1, format, 0, camera);
prevFrameCurrent = WeatherMakerFullScreenEffect.CreateRenderTexture(descPrevFrame, FilterMode.Bilinear, TextureWrapMode.Clamp);
prevFrameCurrent.name = "WeatherMakerTemporalReprojectionPrevFrame";
OffsetXConstant = (1.0f / (float)frameWidth);
OffsetYConstant = (1.0f / (float)frameHeight);
OffsetXConstant2 = (-0.5f * (float)(ReprojectionSize - 1) * OffsetXConstant);
OffsetYConstant2 = (-0.5f * (float)(ReprojectionSize - 1) * OffsetYConstant);
NeedsFirstFrameHandling = true;
}
ComputeTemporalOffsets();
}
private void UpdateFogProperties(Camera camera)
{
if (FogProfile == null || WeatherMakerScript.Instance == null || WeatherMakerLightManagerScript.Instance == null || WeatherMakerScript.Instance.PerformanceProfile == null)
{
return;
}
DownSampleScale = WeatherMakerScript.Instance.PerformanceProfile.FogDownsampleScale;
TemporalReprojection = WeatherMakerScript.Instance.PerformanceProfile.FogTemporalReprojectionSize;
DownSampleScaleFullScreenShafts = WeatherMakerScript.Instance.PerformanceProfile.FogDownsampleScaleFullScreenShafts;
if (WeatherMakerLightManagerScript.ScreenSpaceShadowMode == BuiltinShaderMode.Disabled || QualitySettings.shadows == ShadowQuality.Disable)
{
float fogShadowMultiplier = Mathf.Clamp(FogProfile.FogIntensityMultiplier, 0.5f, 1.0f);
WeatherMakerLightManagerScript.Instance.DirectionalLightIntensityMultipliers["WeatherMakerFullScreenFogScript"] = fogShadowMultiplier;
WeatherMakerLightManagerScript.Instance.DirectionalLightShadowIntensityMultipliers["WeatherMakerFullScreenFogScript"] = FogProfile.FogGlobalShadow;
}
else
{
WeatherMakerLightManagerScript.Instance.DirectionalLightIntensityMultipliers.Remove("WeatherMakerFullScreenFogScript");
WeatherMakerLightManagerScript.Instance.DirectionalLightShadowIntensityMultipliers.Remove("WeatherMakerFullScreenFogScript");
}
updateShaderPropertiesAction = (updateShaderPropertiesAction ?? UpdateShaderProperties);
effect.SetupEffect
(
FogMaterial,
FogFullScreenMaterial,
FogBlurMaterial,
BlurShader,
DownSampleScale,
FogProfile.SunShaftBackgroundColorMultiplier <= 0.0f ? WeatherMakerDownsampleScale.Disabled : DownSampleScaleFullScreenShafts,
DownSampleScaleFullScreenShafts,
TemporalReprojectionMaterial,
TemporalReprojection,
updateShaderPropertiesAction,
(FogProfile.FogDensity > Mathf.Epsilon && FogProfile.FogMode != WeatherMakerFogMode.None && !UseUnityFog)
);
UpdateWind();
UpdateUnityFog(camera);
}
/// <summary>
/// Update the full screen effect, usually called from OnPreRender or OnPreCull
/// </summary>
/// <param name="camera">Camera</param>
/// <param name="integratedTemporalReprojection">Whether to use integrated temporal reprojection (if temporal reprojection is enabled)</param>
public void PreCullCamera(Camera camera, bool integratedTemporalReprojection = true)
{
//integratedTemporalReprojection = false;
if (WeatherMakerScript.Instance != null && WeatherMakerScript.Instance.CommandBufferManager != null && (Enabled || preSetupCommandBuffer != null) &&
Material != null && clonedMaterial != null && camera != null)
{
WeatherMakerCameraType cameraType = WeatherMakerScript.GetCameraType(camera);
if (cameraType == WeatherMakerCameraType.Other)
{
return;
}
WeatherMakerTemporalReprojectionState reprojState = null;
WeatherMakerDownsampleScale downsampleScale = DownsampleScale;
if (cameraType != WeatherMakerCameraType.Normal)
{
if (camera.pixelWidth > 2000)
{
downsampleScale = WeatherMakerDownsampleScale.QuarterResolution;
}
else if (camera.pixelWidth > 1000)
{
downsampleScale = WeatherMakerDownsampleScale.HalfResolution;
}
}
if (Enabled)
{
// setup temporal reprojection state
reprojState = temporalStates.Find(b => b.Camera == camera);
if (reprojState == null)
{
// temporal reprojection is not currently possible with cubemap
if (TemporalReprojection != WeatherMakerTemporalReprojectionSize.None && TemporalReprojectionMaterial != null &&
(cameraType == WeatherMakerCameraType.Normal || cameraType == WeatherMakerCameraType.Reflection))
{
reprojState = new WeatherMakerTemporalReprojectionState(camera, TemporalReprojectionMaterial, integratedTemporalReprojection);
temporalStates.Add(reprojState);
}
}
else if (TemporalReprojection == WeatherMakerTemporalReprojectionSize.None || TemporalReprojectionMaterial == null)
{
reprojState.Dispose();
temporalStates.Remove(reprojState);
reprojState = null;
}
if (reprojState != null)
{
WeatherMakerTemporalReprojectionSize reprojSize = (cameraType == WeatherMakerCameraType.Normal ? TemporalReprojection : WeatherMakerTemporalReprojectionSize.FourByFour);
reprojState.PreCullFrame(camera, downsampleScale, reprojSize);
}
}
WeatherMakerCommandBuffer cmdBuffer = CreateCommandBuffer(camera, reprojState, downsampleScale, preSetupCommandBuffer);
if (reprojState != null)
{
reprojState.CommandBuffer = cmdBuffer;
}
}
}
/// <summary>
/// Call from LateUpdate in script
/// </summary>
public void SetupEffect
(
Material material,
Material blitMaterial,
Material blurMaterial,
BlurShaderType blurShaderType,
WeatherMakerDownsampleScale downSampleScale,
WeatherMakerDownsampleScale downsampleRenderBufferScale,
WeatherMakerDownsampleScale downsampleScalePostProcess,
Material temporalReprojectionMaterial,
WeatherMakerTemporalReprojectionSize temporalReprojection,
System.Action <WeatherMakerCommandBuffer> updateMaterialProperties,
bool enabled,
WeatherMakerTemporalReprojectionState.TemporalReprojectionBlendMode temporalReprojectionBlendMode = WeatherMakerTemporalReprojectionState.TemporalReprojectionBlendMode.Blur,
System.Action <WeatherMakerCommandBuffer> preSetupCommandBuffer = null
)
{
Enabled = enabled;
if (Enabled || preSetupCommandBuffer != null)
{
// setup material, if playing we want to clone it to avoid modifying the material
if (Material != material || (Application.isPlaying && clonedMaterial == null))
{
Material = material;
if (Application.isPlaying)
{
if (clonedMaterial != null)
{
GameObject.DestroyImmediate(clonedMaterial);
}
clonedMaterial = new Material(Material);
clonedMaterial.name += " (Clone)";
}
else
{
clonedMaterial = Material;
}
}
BlitMaterial = blitMaterial;
BlurMaterial = blurMaterial;
TemporalReprojectionMaterial = temporalReprojectionMaterial;
DownsampleScalePostProcess = downsampleScalePostProcess;
BlurShaderType = blurShaderType;
DownsampleScale = (downSampleScale == WeatherMakerDownsampleScale.Disabled ? WeatherMakerDownsampleScale.FullResolution : downSampleScale);
DownsampleRenderBufferScale = downsampleRenderBufferScale;
TemporalReprojection = temporalReprojection;
UpdateMaterialProperties = updateMaterialProperties;
this.preSetupCommandBuffer = preSetupCommandBuffer;
foreach (WeatherMakerTemporalReprojectionState state in temporalStates)
{
state.BlendMode = temporalReprojectionBlendMode;
}
// cleanup dead cameras
for (int i = weatherMakerCommandBuffers.Count - 1; i >= 0; i--)
{
if (weatherMakerCommandBuffers[i].Key == null)
{
if (weatherMakerCommandBuffers[i].Value.CommandBuffer != null)
{
weatherMakerCommandBuffers[i].Value.CommandBuffer.Clear();
weatherMakerCommandBuffers[i].Value.CommandBuffer.Release();
}
weatherMakerCommandBuffers.RemoveAt(i);
}
}
}
else
{
Dispose();
}
}
private WeatherMakerCommandBuffer CreateCommandBuffer(Camera camera, WeatherMakerTemporalReprojectionState reprojState, WeatherMakerDownsampleScale downsampleScale,
System.Action <WeatherMakerCommandBuffer> preSetupCommandBuffer)
{
if (WeatherMakerScript.Instance == null)
{
Debug.LogError("Cannot create command buffer, WeatherMakerScript.Instance is null");
return(null);
}
// Debug.Log("Creating command buffer " + CommandBufferName);
WeatherMakerCommandBuffer weatherMakerCommandBuffer = GetOrCreateWeatherMakerCommandBuffer(camera);
// multi-pass vr uses one command buffer for each eye
if (camera.stereoTargetEye == StereoTargetEyeMask.Right)
{
weatherMakerCommandBuffer.Camera = camera;
return(weatherMakerCommandBuffer);
}
else if (weatherMakerCommandBuffer != null && weatherMakerCommandBuffer.CommandBuffer != null)
{
camera.RemoveCommandBuffer(RenderQueue, weatherMakerCommandBuffer.CommandBuffer);
weatherMakerCommandBuffer.CommandBuffer.Clear();
}
RenderTextureFormat defaultFormat = (camera.allowHDR ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default);
CommandBuffer commandBuffer = weatherMakerCommandBuffer.CommandBuffer;
int postSourceId = -1;
RenderTargetIdentifier postSource = postSourceId;
WeatherMakerCameraType cameraType = weatherMakerCommandBuffer.CameraType;
// setup reprojection state
if (reprojState != null)
{
reprojState.PreRenderFrame(camera, WeatherMakerCommandBufferManagerScript.BaseCamera, commandBuffer);
if (!reprojState.NeedsFirstFrameHandling && reprojState.BlendMode == WeatherMakerTemporalReprojectionState.TemporalReprojectionBlendMode.Sharp)
{
float xo = reprojState.TemporalOffsetX;
float yo = reprojState.TemporalOffsetY;
commandBuffer.SetGlobalVector(WMS._WeatherMakerTemporalUV, new Vector4(xo, yo, 1.0f, 1.0f));
}
else
{
commandBuffer.SetGlobalVector(WMS._WeatherMakerTemporalUV, Vector4.zero);
}
}
int scale = (int)downsampleScale;
if (reprojState != null && reprojState.BlendMode == WeatherMakerTemporalReprojectionState.TemporalReprojectionBlendMode.Blur)
{
int totalDownScale = (scale * reprojState.ReprojectionSize);
switch (totalDownScale)
{
case 0:
case 1:
totalDownScale = 1;
break;
case 2:
case 3:
totalDownScale = 2;
break;
case 4:
case 5:
totalDownScale = 4;
break;
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
totalDownScale = 8;
break;
default:
totalDownScale = 16;
break;
}
//Debug.LogFormat("Total down scale: {0}, {1}, {2}", totalDownScale, scale, reprojState.ReprojectionSize);
commandBuffer.SetGlobalFloat(WMS._WeatherMakerDownsampleScale, (float)totalDownScale);
}
else
{
commandBuffer.SetGlobalFloat(WMS._WeatherMakerDownsampleScale, scale);
}
if (preSetupCommandBuffer != null)
{
preSetupCommandBuffer.Invoke(weatherMakerCommandBuffer);
}
if (Enabled)
{
commandBuffer.SetGlobalFloat(WMS._WeatherMakerTemporalReprojectionEnabled, 0.0f);
commandBuffer.SetGlobalVector(WMS._WeatherMakerTemporalUV_VertexShaderProjection, Vector4.zero);
commandBuffer.SetGlobalVector(WMS._WeatherMakerTemporalUV_FragmentShader, Vector4.zero);
if (DownsampleRenderBufferScale != WeatherMakerDownsampleScale.Disabled)
{
// render camera target to texture, performing separate down-sampling
commandBuffer.GetTemporaryRT(WMS._MainTex5, GetRenderTextureDescriptor((int)DownsampleRenderBufferScale, 0, 1, defaultFormat, 0, camera), FilterMode.Bilinear);
commandBuffer.Blit(CameraTargetIdentifier(), WMS._MainTex5);
}
commandBuffer.SetGlobalFloat(WMS._ZTest, (float)ZTest);
// if no blur, no downsample, no temporal reprojection and no post processing (pass count > 2) then we can just draw directly to camera target
if (BlurShaderType == BlurShaderType.None && DownsampleScale == WeatherMakerDownsampleScale.FullResolution && reprojState == null && clonedMaterial.passCount < 3)
{
// set blend mode for blitting to camera target
commandBuffer.SetGlobalFloat(WMS._SrcBlendMode, (float)SourceBlendMode);
commandBuffer.SetGlobalFloat(WMS._DstBlendMode, (float)DestBlendMode);
commandBuffer.Blit(CameraTargetIdentifier(), CameraTargetIdentifier(), clonedMaterial, 0);
}
else
{
// render to texture, using current image target as input _MainTex, no blend
// alpha or blue will use _MainTex to render the final result
int renderTargetRenderedImageId = WMS._MainTex3;
int renderTargetDepthTextureId = WMS._WeatherMakerTemporaryDepthTexture;
RenderTargetIdentifier renderTargetRenderedImage = new RenderTargetIdentifier(renderTargetRenderedImageId);
RenderTargetIdentifier renderTargetDepthTexture = new RenderTargetIdentifier(renderTargetDepthTextureId);
BlurShaderType blur = BlurShaderType;
if (cameraType != WeatherMakerCameraType.Normal)
{
if (BlurMaterial.passCount > 3)
{
blur = BlurShaderType.Bilateral;
}
else
{
blur = BlurShaderType.GaussianBlur17;
}
}
int mod = (reprojState == null ? 0 : reprojState.ReprojectionSize);
commandBuffer.GetTemporaryRT(renderTargetRenderedImageId, GetRenderTextureDescriptor(scale, mod, 1, defaultFormat, 0, camera), FilterMode.Bilinear);
commandBuffer.GetTemporaryRT(renderTargetDepthTextureId, GetRenderTextureDescriptor(scale, mod, 1, RenderTextureFormat.RFloat, 0, camera), FilterMode.Point);
// set blend mode for blitting to render texture
commandBuffer.SetGlobalFloat(WMS._SrcBlendMode, (float)BlendMode.One);
commandBuffer.SetGlobalFloat(WMS._DstBlendMode, (float)BlendMode.Zero);
if (reprojState == null || reprojState.TemporalReprojectionMaterial == null)
{
// render to final destination
commandBuffer.Blit(renderTargetDepthTextureId, renderTargetRenderedImage, clonedMaterial, 0);
}
else
{
AttachTemporalReprojection(commandBuffer, reprojState, renderTargetDepthTextureId, renderTargetRenderedImage, clonedMaterial, scale, defaultFormat);
}
if (cameraType == WeatherMakerCameraType.Normal && DownsampleScalePostProcess != WeatherMakerDownsampleScale.Disabled)
{
AttachPostProcessing(commandBuffer, clonedMaterial, 0, 0, defaultFormat, renderTargetRenderedImage, reprojState, camera, ref postSourceId, ref postSource);
//AttachPostProcessing(commandBuffer, material, w, h, defaultFormat, renderTargetRenderedImageId, reprojState, ref postSourceId, ref postSource);
}
AttachBlurBlit(commandBuffer, renderTargetRenderedImage, renderTargetDepthTexture, CameraTargetIdentifier(), clonedMaterial, blur, defaultFormat, camera);
// cleanup
commandBuffer.ReleaseTemporaryRT(renderTargetRenderedImageId);
commandBuffer.ReleaseTemporaryRT(renderTargetDepthTextureId);
commandBuffer.SetGlobalTexture(WMS._MainTex2, new RenderTargetIdentifier(BuiltinRenderTextureType.None));
}
if (DownsampleRenderBufferScale != WeatherMakerDownsampleScale.Disabled)
{
// cleanup
commandBuffer.ReleaseTemporaryRT(WMS._MainTex5);
}
}
weatherMakerCommandBuffer.Material = clonedMaterial;
weatherMakerCommandBuffer.ReprojectionState = reprojState;
weatherMakerCommandBuffer.RenderQueue = RenderQueue;
camera.AddCommandBuffer(RenderQueue, commandBuffer);
if (WeatherMakerCommandBufferManagerScript.Instance != null)
{
WeatherMakerCommandBufferManagerScript.Instance.AddCommandBuffer(weatherMakerCommandBuffer);
}
return(weatherMakerCommandBuffer);
}
/// <summary>
/// Bilateral blur - requires _WeatherMakerTemporaryDepthTexture is set and _MainTex4 is reserevd, do not use it
/// </summary>
/// <param name="commandBuffer">Command buffer</param>
/// <param name="blurMaterial">Blur material</param>
/// <param name="sourceIdentifier">Texture to bilateral blur out of</param>
/// <param name="targetIdentifier">Texture to bilateral blur to (can be source)</param>
/// <param name="format">Texture format</param>
/// <param name="downsampleScale">Downsample scale</param>
/// <param name="camera">Camera</param>
internal static void AttachBilateralBlur(CommandBuffer commandBuffer, Material blurMaterial, RenderTargetIdentifier sourceIdentifier,
RenderTargetIdentifier targetIdentifier, RenderTextureFormat format, WeatherMakerDownsampleScale downsampleScale, Camera camera)
{
int scale = (int)downsampleScale;
RenderTextureDescriptor desc = GetRenderTextureDescriptor(scale, 0, 1, format, 0, camera);
commandBuffer.GetTemporaryRT(WMS._MainTex4, desc, FilterMode.Bilinear);
int blurPass;
int blitPass;
switch (scale)
{
default:
blurPass = 0;
blitPass = 10;
break;
case 2:
blurPass = 2;
blitPass = 11;
break;
case 4:
blurPass = 4;
blitPass = 12;
break;
case 8:
blurPass = 6;
blitPass = 13;
break;
case 16:
blurPass = 8;
blitPass = 14;
break;
}
// horizontal blur
commandBuffer.Blit(sourceIdentifier, WMS._MainTex4, blurMaterial, blurPass);
//commandBuffer.DrawQuad(sourceIdentifier, temporaryBufferId, blurMaterial, blurPass);
// vertical blur
commandBuffer.Blit(WMS._MainTex4, sourceIdentifier, blurMaterial, blurPass + 1);
//commandBuffer.DrawQuad(temporaryBufferId, sourceIdentifier, blurMaterial, blurPass + 1);
if (sourceIdentifier != targetIdentifier)
{
// upsample
commandBuffer.Blit(sourceIdentifier, targetIdentifier, blurMaterial, blitPass);
//commandBuffer.DrawQuad(sourceIdentifier, targetIdentifier, blurMaterial, blitPass);
}
// cleanup
commandBuffer.ReleaseTemporaryRT(WMS._MainTex4);
}
