internal void ExecuteNativeRenderPass(ScriptableRenderContext context, ScriptableRenderPass renderPass, CameraData cameraData, ref RenderingData renderingData)
{
using (new ProfilingScope(null, Profiling.execute))
{
int currentPassIndex = renderPass.renderPassQueueIndex;
Hash128 currentPassHash = m_PassIndexToPassHash[currentPassIndex];
int[] currentMergeablePasses = m_MergeableRenderPassesMap[currentPassHash];
int validColorBuffersCount = m_RenderPassesAttachmentCount[currentPassHash];
bool isLastPass = renderPass.isLastPass;
// TODO: review the lastPassToBB logic to mak it work with merged passes
// keep track if this is the current camera's last pass and the RT is the backbuffer (BuiltinRenderTextureType.CameraTarget)
bool isLastPassToBB = isLastPass && (m_ActiveColorAttachmentDescriptors[0].loadStoreTarget ==
BuiltinRenderTextureType.CameraTarget);
var depthOnly = renderPass.depthOnly || (cameraData.targetTexture != null && cameraData.targetTexture.graphicsFormat == GraphicsFormat.DepthAuto);
bool useDepth = depthOnly || (!renderPass.overrideCameraTarget || (renderPass.overrideCameraTarget && renderPass.depthAttachment != BuiltinRenderTextureType.CameraTarget)) &&
(!(isLastPassToBB || (isLastPass && cameraData.camera.targetTexture != null)));
var attachments =
new NativeArray <AttachmentDescriptor>(useDepth && !depthOnly ? validColorBuffersCount + 1 : 1,
Allocator.Temp);
for (int i = 0; i < validColorBuffersCount; ++i)
{
attachments[i] = m_ActiveColorAttachmentDescriptors[i];
}
if (useDepth && !depthOnly)
{
attachments[validColorBuffersCount] = m_ActiveDepthAttachmentDescriptor;
}
var rpDesc = InitializeRenderPassDescriptor(cameraData, renderPass);
int validPassCount = GetValidPassIndexCount(currentMergeablePasses);
var attachmentIndicesCount = GetSubPassAttachmentIndicesCount(renderPass);
var attachmentIndices = new NativeArray <int>(!depthOnly ? (int)attachmentIndicesCount : 0, Allocator.Temp);
if (!depthOnly)
{
for (int i = 0; i < attachmentIndicesCount; ++i)
{
attachmentIndices[i] = renderPass.m_InputAttachmentIndices[i];
}
}
if (validPassCount == 1 || currentMergeablePasses[0] == currentPassIndex) // Check if it's the first pass
{
context.BeginRenderPass(rpDesc.w, rpDesc.h, Math.Max(rpDesc.samples, 1), attachments,
useDepth ? (!depthOnly ? validColorBuffersCount : 0) : -1);
attachments.Dispose();
context.BeginSubPass(attachmentIndices);
m_LastBeginSubpassPassIndex = currentPassIndex;
}
else
{
if (!AreAttachmentIndicesCompatible(m_ActiveRenderPassQueue[m_LastBeginSubpassPassIndex], m_ActiveRenderPassQueue[currentPassIndex]))
{
context.EndSubPass();
context.BeginSubPass(attachmentIndices);
m_LastBeginSubpassPassIndex = currentPassIndex;
}
}
attachmentIndices.Dispose();
renderPass.Execute(context, ref renderingData);
if (validPassCount == 1 || currentMergeablePasses[validPassCount - 1] == currentPassIndex) // Check if it's the last pass
{
context.EndSubPass();
context.EndRenderPass();
m_LastBeginSubpassPassIndex = 0;
}
for (int i = 0; i < m_ActiveColorAttachmentDescriptors.Length; ++i)
{
m_ActiveColorAttachmentDescriptors[i] = RenderingUtils.emptyAttachment;
}
m_ActiveDepthAttachmentDescriptor = RenderingUtils.emptyAttachment;
}
}
internal void ExecuteNativeRenderPass(ScriptableRenderContext context, ScriptableRenderPass renderPass, CameraData cameraData, ref RenderingData renderingData)
{
using (new ProfilingScope(null, Profiling.execute))
{
int currentPassIndex = renderPass.renderPassQueueIndex;
Hash128 currentPassHash = m_PassIndexToPassHash[currentPassIndex];
int[] currentMergeablePasses = m_MergeableRenderPassesMap[currentPassHash];
int validColorBuffersCount = m_RenderPassesAttachmentCount[currentPassHash];
var depthOnly = (renderPass.colorAttachmentHandle.rt != null && IsDepthOnlyRenderTexture(renderPass.colorAttachmentHandle.rt)) || (cameraData.targetTexture != null && IsDepthOnlyRenderTexture(cameraData.targetTexture));
bool useDepth = depthOnly || (!renderPass.overrideCameraTarget || (renderPass.overrideCameraTarget && renderPass.depthAttachmentHandle.nameID != BuiltinRenderTextureType.CameraTarget));// &&
var attachments =
new NativeArray <AttachmentDescriptor>(useDepth && !depthOnly ? validColorBuffersCount + 1 : 1, Allocator.Temp);
for (int i = 0; i < validColorBuffersCount; ++i)
{
attachments[i] = m_ActiveColorAttachmentDescriptors[i];
}
if (useDepth && !depthOnly)
{
attachments[validColorBuffersCount] = m_ActiveDepthAttachmentDescriptor;
}
var rpDesc = InitializeRenderPassDescriptor(cameraData, renderPass);
int validPassCount = GetValidPassIndexCount(currentMergeablePasses);
var attachmentIndicesCount = GetSubPassAttachmentIndicesCount(renderPass);
var attachmentIndices = new NativeArray <int>(!depthOnly ? (int)attachmentIndicesCount : 0, Allocator.Temp);
if (!depthOnly)
{
for (int i = 0; i < attachmentIndicesCount; ++i)
{
attachmentIndices[i] = renderPass.m_ColorAttachmentIndices[i];
}
}
if (validPassCount == 1 || currentMergeablePasses[0] == currentPassIndex) // Check if it's the first pass
{
if (PassHasInputAttachments(renderPass))
{
Debug.LogWarning("First pass in a RenderPass should not have input attachments.");
}
context.BeginRenderPass(rpDesc.w, rpDesc.h, Math.Max(rpDesc.samples, 1), attachments,
useDepth ? (!depthOnly ? validColorBuffersCount : 0) : -1);
attachments.Dispose();
context.BeginSubPass(attachmentIndices);
m_LastBeginSubpassPassIndex = currentPassIndex;
}
else
{
// Regarding input attachments, currently we always recreate a new subpass if it contains input attachments
// This might not the most optimal way though and it should be investigated in the future
// Whether merging subpasses with matching input attachments is a more viable option
if (!AreAttachmentIndicesCompatible(m_ActiveRenderPassQueue[m_LastBeginSubpassPassIndex], m_ActiveRenderPassQueue[currentPassIndex]))
{
context.EndSubPass();
if (PassHasInputAttachments(m_ActiveRenderPassQueue[currentPassIndex]))
{
context.BeginSubPass(attachmentIndices, m_ActiveRenderPassQueue[currentPassIndex].m_InputAttachmentIndices);
}
else
{
context.BeginSubPass(attachmentIndices);
}
m_LastBeginSubpassPassIndex = currentPassIndex;
}
else if (PassHasInputAttachments(m_ActiveRenderPassQueue[currentPassIndex]))
{
context.EndSubPass();
context.BeginSubPass(attachmentIndices, m_ActiveRenderPassQueue[currentPassIndex].m_InputAttachmentIndices);
m_LastBeginSubpassPassIndex = currentPassIndex;
}
}
attachmentIndices.Dispose();
renderPass.Execute(context, ref renderingData);
if (validPassCount == 1 || currentMergeablePasses[validPassCount - 1] == currentPassIndex) // Check if it's the last pass
{
context.EndSubPass();
context.EndRenderPass();
m_LastBeginSubpassPassIndex = 0;
}
for (int i = 0; i < m_ActiveColorAttachmentDescriptors.Length; ++i)
{
m_ActiveColorAttachmentDescriptors[i] = RenderingUtils.emptyAttachment;
m_IsActiveColorAttachmentTransient[i] = false;
}
m_ActiveDepthAttachmentDescriptor = RenderingUtils.emptyAttachment;
}
}
private void DeferedRender(ScriptableRenderContext context, Camera camera, ref CullingResults cullingResult)
{
var albedo = new AttachmentDescriptor(RenderTextureFormat.ARGB32);
var specRough = new AttachmentDescriptor(RenderTextureFormat.ARGB32);
var normal = new AttachmentDescriptor(RenderTextureFormat.ARGB2101010);
var emission = new AttachmentDescriptor(RenderTextureFormat.ARGBHalf);
var depth = new AttachmentDescriptor(RenderTextureFormat.Depth);
emission.ConfigureClear(new Color(0.0f, 0.0f, 0.0f, 0.0f), 1.0f, 0);
depth.ConfigureClear(new Color(), 1.0f, 0);
NativeArray <AttachmentDescriptor> colorAttachments = new NativeArray <AttachmentDescriptor>(5, Allocator.Temp);
colorAttachments[depthIndex] = depth;
colorAttachments[specRoughIndex] = specRough;
colorAttachments[normalIndex] = normal;
colorAttachments[emissionIndex] = emission;
colorAttachments[albedoIndex] = albedo;
albedo.ConfigureTarget(BuiltinRenderTextureType.CameraTarget, false, true);
context.BeginRenderPass(camera.pixelWidth, camera.pixelHeight, 1, colorAttachments, depthIndex);
colorAttachments.Dispose();
var gbufferColors = new NativeArray <int>(4, Allocator.Temp);
gbufferColors[0] = albedoIndex;
gbufferColors[1] = specRoughIndex;
gbufferColors[2] = normalIndex;
gbufferColors[3] = emissionIndex;
//G-Buffer Pass
context.BeginSubPass(gbufferColors);
gbufferColors.Dispose();
RenderGBuffer(context, camera, ref cullingResult);
context.EndSubPass();
var lightingColors = new NativeArray <int>(1, Allocator.Temp);
lightingColors[0] = albedoIndex;
var lightingInputs = new NativeArray <int>(4, Allocator.Temp);
lightingInputs[0] = emissionIndex;
lightingInputs[1] = specRoughIndex;
lightingInputs[2] = normalIndex;
lightingInputs[3] = depthIndex;
//Lightning Pass.
context.BeginSubPass(lightingColors, lightingInputs, true);
lightingInputs.Dispose();
lightingColors.Dispose();
RenderLights(context, camera, ref cullingResult);
context.EndSubPass();
context.EndRenderPass();
}