public static void DrawFullScreen(CommandBuffer commandBuffer, RTHandleProperties rtHandleProperties, Material material,
RenderTargetIdentifier colorBuffer,
MaterialPropertyBlock properties = null, int shaderPassId = 0)
{
CoreUtils.SetRenderTarget(commandBuffer, colorBuffer);
commandBuffer.SetGlobalVector(HDShaderIDs._RTHandleScale, rtHandleProperties.rtHandleScale);
commandBuffer.DrawProcedural(Matrix4x4.identity, material, shaderPassId, MeshTopology.Triangles, 3, 1, properties);
}
RenderAOParameters PrepareRenderAOParameters(HDCamera camera, RTHandleProperties rtHandleProperties, Vector2 historySize, int frameCount)
{
var parameters = new RenderAOParameters();
// Grab current settings
var settings = camera.volumeStack.GetComponent <AmbientOcclusion>();
parameters.fullResolution = settings.fullResolution;
if (parameters.fullResolution)
{
parameters.runningRes = new Vector2(camera.actualWidth, camera.actualHeight);
parameters.aoBufferInfo = new Vector4(camera.actualWidth, camera.actualHeight, 1.0f / camera.actualWidth, 1.0f / camera.actualHeight);
}
else
{
parameters.runningRes = new Vector2(camera.actualWidth, camera.actualHeight) * 0.5f;
parameters.aoBufferInfo = new Vector4(camera.actualWidth * 0.5f, camera.actualHeight * 0.5f, 2.0f / camera.actualWidth, 2.0f / camera.actualHeight);
}
float invHalfTanFOV = -camera.mainViewConstants.projMatrix[1, 1];
float aspectRatio = parameters.runningRes.y / parameters.runningRes.x;
parameters.aoParams0 = new Vector4(
parameters.fullResolution ? 0.0f : 1.0f,
parameters.runningRes.y * invHalfTanFOV * 0.25f,
settings.radius.value,
settings.stepCount
);
parameters.aoParams1 = new Vector4(
settings.intensity.value,
1.0f / (settings.radius.value * settings.radius.value),
(frameCount / 6) % 4,
(frameCount % 6)
);
// We start from screen space position, so we bake in this factor the 1 / resolution as well.
parameters.toViewSpaceProj = new Vector4(
2.0f / (invHalfTanFOV * aspectRatio * parameters.runningRes.x),
2.0f / (invHalfTanFOV * parameters.runningRes.y),
1.0f / (invHalfTanFOV * aspectRatio),
1.0f / invHalfTanFOV
);
float scaleFactor = (parameters.runningRes.x * parameters.runningRes.y) / (540.0f * 960.0f);
float radInPixels = Mathf.Max(16, settings.maximumRadiusInPixels * Mathf.Sqrt(scaleFactor));
parameters.aoParams2 = new Vector4(
historySize.x,
historySize.y,
1.0f / (settings.stepCount + 1.0f),
radInPixels
);
float stepSize = m_RunningFullRes ? 1 : 0.5f;
float blurTolerance = 1.0f - settings.blurSharpness.value;
float maxBlurTolerance = 0.25f;
float minBlurTolerance = -2.5f;
blurTolerance = minBlurTolerance + (blurTolerance * (maxBlurTolerance - minBlurTolerance));
float bTolerance = 1f - Mathf.Pow(10f, blurTolerance) * stepSize;
bTolerance *= bTolerance;
const float upsampleTolerance = -7.0f; // TODO: Expose?
float uTolerance = Mathf.Pow(10f, upsampleTolerance);
float noiseFilterWeight = 1f / (Mathf.Pow(10f, 0.0f) + uTolerance);
parameters.aoParams3 = new Vector4(
bTolerance,
uTolerance,
noiseFilterWeight,
stepSize
);
float upperNudgeFactor = 1.0f - settings.ghostingReduction.value;
const float maxUpperNudgeLimit = 5.0f;
const float minUpperNudgeLimit = 0.25f;
upperNudgeFactor = minUpperNudgeLimit + (upperNudgeFactor * (maxUpperNudgeLimit - minUpperNudgeLimit));
parameters.aoParams4 = new Vector4(
settings.directionCount,
upperNudgeFactor,
minUpperNudgeLimit,
0
);
var hdrp = (RenderPipelineManager.currentPipeline as HDRenderPipeline);
var depthMipInfo = hdrp.sharedRTManager.GetDepthBufferMipChainInfo();
parameters.firstAndSecondMipOffsets = new Vector4(depthMipInfo.mipLevelOffsets[1].x, depthMipInfo.mipLevelOffsets[1].y, depthMipInfo.mipLevelOffsets[2].x, depthMipInfo.mipLevelOffsets[2].y);
parameters.bilateralUpsample = settings.bilateralUpsample;
parameters.gtaoCS = m_Resources.shaders.GTAOCS;
parameters.temporalAccumulation = settings.temporalAccumulation.value;
if (parameters.temporalAccumulation)
{
if (parameters.fullResolution)
{
parameters.gtaoKernel = parameters.gtaoCS.FindKernel("GTAOMain_FullRes_Temporal");
}
else
{
parameters.gtaoKernel = parameters.gtaoCS.FindKernel("GTAOMain_HalfRes_Temporal");
}
}
else
{
if (parameters.fullResolution)
{
parameters.gtaoKernel = parameters.gtaoCS.FindKernel("GTAOMain_FullRes");
}
else
{
parameters.gtaoKernel = parameters.gtaoCS.FindKernel("GTAOMain_HalfRes");
}
}
parameters.upsampleAndBlurAOCS = m_Resources.shaders.GTAOBlurAndUpsample;
parameters.denoiseAOCS = m_Resources.shaders.GTAODenoiseCS;
parameters.denoiseKernelSpatial = parameters.denoiseAOCS.FindKernel(parameters.temporalAccumulation ? "GTAODenoise_Spatial_To_Temporal" : "GTAODenoise_Spatial");
parameters.denoiseKernelTemporal = parameters.denoiseAOCS.FindKernel(parameters.fullResolution ? "GTAODenoise_Temporal_FullRes" : "GTAODenoise_Temporal");
parameters.denoiseKernelCopyHistory = parameters.denoiseAOCS.FindKernel("GTAODenoise_CopyHistory");
parameters.upsampleAndBlurKernel = parameters.upsampleAndBlurAOCS.FindKernel("BlurUpsample");
parameters.upsampleAOKernel = parameters.upsampleAndBlurAOCS.FindKernel(settings.bilateralUpsample ? "BilateralUpsampling" : "BoxUpsampling");
parameters.outputWidth = camera.actualWidth;
parameters.outputHeight = camera.actualHeight;
parameters.viewCount = camera.viewCount;
parameters.historyReady = m_HistoryReady;
m_HistoryReady = true; // assumes that if this is called, then render is done as well.
parameters.runAsync = camera.frameSettings.SSAORunsAsync();
parameters.motionVectorDisabled = !camera.frameSettings.IsEnabled(FrameSettingsField.MotionVectors);
return(parameters);
}
RenderAOParameters PrepareRenderAOParameters(HDCamera camera, RTHandleProperties rtHandleProperties, int frameCount)
{
var parameters = new RenderAOParameters();
// Grab current settings
var settings = VolumeManager.instance.stack.GetComponent <AmbientOcclusion>();
parameters.fullResolution = settings.fullResolution.value;
if (parameters.fullResolution)
{
parameters.runningRes = new Vector2(camera.actualWidth, camera.actualHeight);
parameters.aoBufferInfo = new Vector4(camera.actualWidth, camera.actualHeight, 1.0f / camera.actualWidth, 1.0f / camera.actualHeight);
}
else
{
parameters.runningRes = new Vector2(camera.actualWidth, camera.actualHeight) * 0.5f;
parameters.aoBufferInfo = new Vector4(camera.actualWidth * 0.5f, camera.actualHeight * 0.5f, 2.0f / camera.actualWidth, 2.0f / camera.actualHeight);
}
float invHalfTanFOV = -camera.mainViewConstants.projMatrix[1, 1];
float aspectRatio = parameters.runningRes.y / parameters.runningRes.x;
parameters.aoParams0 = new Vector4(
parameters.fullResolution ? 0.0f : 1.0f,
parameters.runningRes.y * invHalfTanFOV * 0.25f,
settings.radius.value,
settings.stepCount.value
);
parameters.aoParams1 = new Vector4(
settings.intensity.value,
1.0f / (settings.radius.value * settings.radius.value),
(frameCount / 6) % 4,
(frameCount % 6)
);
// We start from screen space position, so we bake in this factor the 1 / resolution as well.
parameters.toViewSpaceProj = new Vector4(
2.0f / (invHalfTanFOV * aspectRatio * parameters.runningRes.x),
2.0f / (invHalfTanFOV * parameters.runningRes.y),
1.0f / (invHalfTanFOV * aspectRatio),
1.0f / invHalfTanFOV
);
float radInPixels = Mathf.Max(16, settings.maximumRadiusInPixels.value * ((parameters.runningRes.x * parameters.runningRes.y) / (540.0f * 960.0f)));
parameters.aoParams2 = new Vector4(
rtHandleProperties.currentRenderTargetSize.x,
rtHandleProperties.currentRenderTargetSize.y,
1.0f / (settings.stepCount.value + 1.0f),
radInPixels
);
parameters.gtaoCS = m_Resources.shaders.GTAOCS;
parameters.gtaoKernel = parameters.gtaoCS.FindKernel("GTAOMain_HalfRes");
if (parameters.fullResolution)
{
parameters.gtaoKernel = parameters.gtaoCS.FindKernel("GTAOMain_FullRes");
}
parameters.denoiseAOCS = m_Resources.shaders.GTAODenoiseCS;
parameters.denoiseKernelSpatial = parameters.denoiseAOCS.FindKernel("GTAODenoise_Spatial");
parameters.denoiseKernelTemporal = parameters.denoiseAOCS.FindKernel(parameters.fullResolution ? "GTAODenoise_Temporal_FullRes" : "GTAODenoise_Temporal");
parameters.denoiseKernelCopyHistory = parameters.denoiseAOCS.FindKernel("GTAODenoise_CopyHistory");
parameters.upsampleAOCS = m_Resources.shaders.GTAOUpsampleCS;
parameters.upsampleAOKernel = parameters.upsampleAOCS.FindKernel("AOUpsample");
parameters.outputWidth = camera.actualWidth;
parameters.outputHeight = camera.actualHeight;
parameters.viewCount = camera.viewCount;
parameters.historyReady = m_HistoryReady;
m_HistoryReady = true; // assumes that if this is called, then render is done as well.
parameters.runAsync = camera.frameSettings.SSAORunsAsync();
return(parameters);
}
RenderAOParameters PrepareRenderAOParameters(HDCamera camera, RTHandleProperties rtHandleProperties, Vector2 historySize, int frameCount)
{
var parameters = new RenderAOParameters();
ref var cb = ref parameters.cb;