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Add render graph depth access semantics

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ssdfasd
2026-04-14 13:56:08 +08:00
parent 9950e0a44f
commit 87bf83451b
7 changed files with 93 additions and 5 deletions
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4
engine/src/Rendering/Execution/CameraRenderer.cpp
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@@ -217,7 +217,7 @@ void ReadRenderGraphSurface(
}
if (surface.depthTexture.IsValid()) {
passBuilder.ReadTexture(surface.depthTexture);
passBuilder.ReadDepthTexture(surface.depthTexture);
}
}
@@ -241,7 +241,7 @@ void WriteRenderGraphSurface(
}
if (surface.depthTexture.IsValid()) {
passBuilder.WriteTexture(surface.depthTexture);
passBuilder.WriteDepthTexture(surface.depthTexture);
}
}

26
engine/src/Rendering/Graph/RenderGraph.cpp
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@@ -25,6 +25,7 @@ void RenderGraphPassBuilder::ReadTexture(RenderGraphTextureHandle texture) {
RenderGraph::TextureAccess access = {};
access.texture = texture;
access.mode = RenderGraphAccessMode::Read;
access.aspect = RenderGraphTextureAspect::Color;
m_graph->m_passes[m_passHandle.index].accesses.push_back(access);
}
@@ -36,6 +37,31 @@ void RenderGraphPassBuilder::WriteTexture(RenderGraphTextureHandle texture) {
RenderGraph::TextureAccess access = {};
access.texture = texture;
access.mode = RenderGraphAccessMode::Write;
access.aspect = RenderGraphTextureAspect::Color;
m_graph->m_passes[m_passHandle.index].accesses.push_back(access);
}
void RenderGraphPassBuilder::ReadDepthTexture(RenderGraphTextureHandle texture) {
if (m_graph == nullptr || !m_passHandle.IsValid()) {
return;
}
RenderGraph::TextureAccess access = {};
access.texture = texture;
access.mode = RenderGraphAccessMode::Read;
access.aspect = RenderGraphTextureAspect::Depth;
m_graph->m_passes[m_passHandle.index].accesses.push_back(access);
}
void RenderGraphPassBuilder::WriteDepthTexture(RenderGraphTextureHandle texture) {
if (m_graph == nullptr || !m_passHandle.IsValid()) {
return;
}
RenderGraph::TextureAccess access = {};
access.texture = texture;
access.mode = RenderGraphAccessMode::Write;
access.aspect = RenderGraphTextureAspect::Depth;
m_graph->m_passes[m_passHandle.index].accesses.push_back(access);
}

18
engine/src/Rendering/Graph/RenderGraphCompiler.cpp
View File

@@ -10,13 +10,24 @@ namespace {
RHI::ResourceStates ResolveRequiredState(
RenderGraphPassType passType,
RenderGraphAccessMode accessMode) {
RenderGraphAccessMode accessMode,
RenderGraphTextureAspect aspect) {
if (accessMode == RenderGraphAccessMode::Write) {
if (passType == RenderGraphPassType::Raster &&
aspect == RenderGraphTextureAspect::Depth) {
return RHI::ResourceStates::DepthWrite;
}
return passType == RenderGraphPassType::Compute
? RHI::ResourceStates::UnorderedAccess
: RHI::ResourceStates::RenderTarget;
}
if (passType == RenderGraphPassType::Raster &&
aspect == RenderGraphTextureAspect::Depth) {
return RHI::ResourceStates::DepthRead;
}
return passType == RenderGraphPassType::Compute
? RHI::ResourceStates::GenericRead
: RHI::ResourceStates::PixelShaderResource;
@@ -261,8 +272,9 @@ bool RenderGraphCompiler::Compile(
CompiledRenderGraph::CompiledTextureAccess compiledAccess = {};
compiledAccess.texture = access.texture;
compiledAccess.mode = access.mode;
compiledAccess.aspect = access.aspect;
compiledAccess.requiredState =
ResolveRequiredState(sourcePass.type, access.mode);
ResolveRequiredState(sourcePass.type, access.mode, access.aspect);
compiledPass.accesses.push_back(compiledAccess);
}
compiledPass.executeCallback = sourcePass.executeCallback;
@@ -280,7 +292,7 @@ bool RenderGraphCompiler::Compile(
lifetime.lastPassIndex = compiledPassIndex;
const RHI::ResourceStates accessState =
ResolveRequiredState(sourcePass.type, access.mode);
ResolveRequiredState(sourcePass.type, access.mode, access.aspect);
if (!transitionPlan.hasFirstAccessState) {
transitionPlan.hasFirstAccessState = true;
transitionPlan.firstAccessState = accessState;