PrepassOutput RenderPrepass(RenderGraph renderGraph, RenderGraphMutableResource sssBuffer, CullingResults cullingResults, HDCamera hdCamera)
{
m_IsDepthBufferCopyValid = false;
var result = new PrepassOutput();
result.gbuffer = m_GBufferOutput;
result.dbuffer = m_DBufferOutput;
bool msaa = hdCamera.frameSettings.IsEnabled(FrameSettingsField.MSAA);
bool clearMotionVectors = hdCamera.camera.cameraType == CameraType.SceneView && !CoreUtils.AreAnimatedMaterialsEnabled(hdCamera.camera);
// TODO: See how to clean this. Some buffers are created outside, some inside functions...
result.motionVectorsBuffer = CreateMotionVectorBuffer(renderGraph, msaa, clearMotionVectors);
result.depthBuffer = CreateDepthBuffer(renderGraph, msaa);
RenderOcclusionMeshes(renderGraph, hdCamera, result.depthBuffer);
StartSinglePass(renderGraph, hdCamera);
bool renderMotionVectorAfterGBuffer = RenderDepthPrepass(renderGraph, cullingResults, hdCamera, ref result);
if (!renderMotionVectorAfterGBuffer)
{
// If objects motion vectors are enabled, this will render the objects with motion vector into the target buffers (in addition to the depth)
// Note: An object with motion vector must not be render in the prepass otherwise we can have motion vector write that should have been rejected
RenderObjectsMotionVectors(renderGraph, cullingResults, hdCamera, result);
}
ResolveStencilBufferIfNeeded(renderGraph, hdCamera, ref result);
// At this point in forward all objects have been rendered to the prepass (depth/normal/motion vectors) so we can resolve them
ResolvePrepassBuffers(renderGraph, hdCamera, ref result);
RenderDecals(renderGraph, hdCamera, ref result, cullingResults);
RenderGBuffer(renderGraph, sssBuffer, ref result, cullingResults, hdCamera);
// In both forward and deferred, everything opaque should have been rendered at this point so we can safely copy the depth buffer for later processing.
GenerateDepthPyramid(renderGraph, hdCamera, ref result);
if (renderMotionVectorAfterGBuffer)
{
// See the call RenderObjectsMotionVectors() above and comment
RenderObjectsMotionVectors(renderGraph, cullingResults, hdCamera, result);
}
RenderCameraMotionVectors(renderGraph, hdCamera, result.depthPyramidTexture, result.resolvedMotionVectorsBuffer);
result.stencilBuffer = msaa ? result.resolvedStencilBuffer : result.depthBuffer;
StopSinglePass(renderGraph, hdCamera);
return(result);
}
PrepassOutput RenderPrepass(RenderGraph renderGraph, RenderGraphMutableResource sssBuffer, CullingResults cullingResults, HDCamera hdCamera)
{
m_IsDepthBufferCopyValid = false;
var result = new PrepassOutput();
result.gbuffer = m_GBufferOutput;
result.dbuffer = m_DBufferOutput;
bool msaa = hdCamera.frameSettings.IsEnabled(FrameSettingsField.MSAA);
bool clearMotionVectors = hdCamera.camera.cameraType == CameraType.SceneView && !CoreUtils.AreAnimatedMaterialsEnabled(hdCamera.camera);
// TODO: See how to clean this. Some buffers are created outside, some inside functions...
result.motionVectorsBuffer = CreateMotionVectorBuffer(renderGraph, msaa, clearMotionVectors);
result.depthBuffer = CreateDepthBuffer(renderGraph, msaa);
RenderXROcclusionMeshes(renderGraph, hdCamera, result.depthBuffer);
using (new XRSinglePassScope(renderGraph, hdCamera))
{
// TODO RENDERGRAPH
//// Bind the custom color/depth before the first custom pass
//if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.CustomPass))
//{
// if (m_CustomPassColorBuffer.IsValueCreated)
// cmd.SetGlobalTexture(HDShaderIDs._CustomColorTexture, m_CustomPassColorBuffer.Value);
// if (m_CustomPassDepthBuffer.IsValueCreated)
// cmd.SetGlobalTexture(HDShaderIDs._CustomDepthTexture, m_CustomPassDepthBuffer.Value);
//}
//RenderCustomPass(renderContext, cmd, hdCamera, customPassCullingResults, CustomPassInjectionPoint.BeforeRendering);
bool renderMotionVectorAfterGBuffer = RenderDepthPrepass(renderGraph, cullingResults, hdCamera, ref result);
if (!renderMotionVectorAfterGBuffer)
{
// If objects motion vectors are enabled, this will render the objects with motion vector into the target buffers (in addition to the depth)
// Note: An object with motion vector must not be render in the prepass otherwise we can have motion vector write that should have been rejected
RenderObjectsMotionVectors(renderGraph, cullingResults, hdCamera, result);
}
// TODO RENDERGRAPH
//PreRenderSky(hdCamera, cmd);
// At this point in forward all objects have been rendered to the prepass (depth/normal/motion vectors) so we can resolve them
ResolvePrepassBuffers(renderGraph, hdCamera, ref result);
RenderDecals(renderGraph, hdCamera, ref result, cullingResults);
RenderGBuffer(renderGraph, sssBuffer, ref result, cullingResults, hdCamera);
// TODO RENDERGRAPH
//// After Depth and Normals/roughness including decals
//RenderCustomPass(renderContext, cmd, hdCamera, customPassCullingResults, CustomPassInjectionPoint.AfterOpaqueDepthAndNormal);
// In both forward and deferred, everything opaque should have been rendered at this point so we can safely copy the depth buffer for later processing.
GenerateDepthPyramid(renderGraph, hdCamera, ref result);
// TODO RENDERGRAPH
//// Send all the geometry graphics buffer to client systems if required (must be done after the pyramid and before the transparent depth pre-pass)
//SendGeometryGraphicsBuffers(cmd, hdCamera);
if (renderMotionVectorAfterGBuffer)
{
// See the call RenderObjectsMotionVectors() above and comment
RenderObjectsMotionVectors(renderGraph, cullingResults, hdCamera, result);
}
RenderCameraMotionVectors(renderGraph, hdCamera, result.depthPyramidTexture, result.resolvedMotionVectorsBuffer);
// TODO RENDERGRAPH
//RenderTransparencyOverdraw(cullingResults, hdCamera, renderContext, cmd);
ResolveStencilBufferIfNeeded(renderGraph, hdCamera, ref result);
}
return(result);
}
LightingOutput RenderDeferredLighting(RenderGraph renderGraph,
HDCamera hdCamera,
RenderGraphMutableResource colorBuffer,
RenderGraphResource depthStencilBuffer,
RenderGraphResource depthPyramidTexture,
in LightingBuffers lightingBuffers,
void RenderSubsurfaceScattering(RenderGraph renderGraph, HDCamera hdCamera, RenderGraphMutableResource colorBuffer,
in LightingBuffers lightingBuffers, RenderGraphResource depthStencilBuffer, RenderGraphResource depthTexture)