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Add lazy init for Global SDF shader

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This commit is contained in:
Wojciech Figat
2022-03-29 15:00:13 +02:00
parent 26b2cb291e
commit 9d56093381
2 changed files with 25 additions and 25 deletions
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49
Source/Engine/Renderer/GlobalSignDistanceFieldPass.cpp
View File

@@ -1,7 +1,6 @@
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
#include "GlobalSignDistanceFieldPass.h"
#include "GBufferPass.h"
#include "RenderList.h"
#include "Engine/Core/Math/Int3.h"
#include "Engine/Core/Collections/HashSet.h"
@@ -134,35 +133,31 @@ String GlobalSignDistanceFieldPass::ToString() const
bool GlobalSignDistanceFieldPass::Init()
{
// Check platform support
auto device = GPUDevice::Instance;
if (device->GetFeatureLevel() < FeatureLevel::SM5 || !device->Limits.HasCompute || !device->Limits.HasTypedUAVLoad)
return false;
if (FORMAT_FEATURES_ARE_NOT_SUPPORTED(device->GetFormatFeatures(GLOBAL_SDF_FORMAT).Support, FormatSupport::ShaderSample | FormatSupport::Texture3D))
return false;
// Create pipeline states
_psDebug = device->CreatePipelineState();
// Load shader
_shader = Content::LoadAsyncInternal<Shader>(TEXT("Shaders/GlobalSignDistanceField"));
if (_shader == nullptr)
return false;
#if COMPILE_WITH_DEV_ENV
_shader.Get()->OnReloading.Bind<GlobalSignDistanceFieldPass, &GlobalSignDistanceFieldPass::OnShaderReloading>(this);
#endif
// Init buffer
_modelsBuffer = New<DynamicStructuredBuffer>(64u * (uint32)sizeof(ModelRasterizeData), (uint32)sizeof(ModelRasterizeData), false, TEXT("GlobalSDF.ModelsBuffer"));
const auto device = GPUDevice::Instance;
_supported = device->GetFeatureLevel() >= FeatureLevel::SM5 && device->Limits.HasCompute && device->Limits.HasTypedUAVLoad
&& FORMAT_FEATURES_ARE_NOT_SUPPORTED(device->GetFormatFeatures(GLOBAL_SDF_FORMAT).Support, FormatSupport::ShaderSample | FormatSupport::Texture3D);
return false;
}
bool GlobalSignDistanceFieldPass::setupResources()
{
// Check shader
if (!_shader || !_shader->IsLoaded())
// Load shader
if (!_shader)
{
_shader = Content::LoadAsyncInternal<Shader>(TEXT("Shaders/GlobalSignDistanceField"));
if (_shader == nullptr)
return true;
#if COMPILE_WITH_DEV_ENV
_shader.Get()->OnReloading.Bind<GlobalSignDistanceFieldPass, &GlobalSignDistanceFieldPass::OnShaderReloading>(this);
#endif
}
if (!_shader->IsLoaded())
return true;
const auto device = GPUDevice::Instance;
const auto shader = _shader->GetShader();
// Check shader
_cb0 = shader->GetCB(0);
_cb1 = shader->GetCB(1);
_csRasterizeModel0 = shader->GetCS("CS_RasterizeModel", 0);
@@ -171,10 +166,14 @@ bool GlobalSignDistanceFieldPass::setupResources()
_csGenerateMip0 = shader->GetCS("CS_GenerateMip", 0);
_csGenerateMip1 = shader->GetCS("CS_GenerateMip", 1);
// Init buffer
_modelsBuffer = New<DynamicStructuredBuffer>(64u * (uint32)sizeof(ModelRasterizeData), (uint32)sizeof(ModelRasterizeData), false, TEXT("GlobalSDF.ModelsBuffer"));
// Create pipeline state
GPUPipelineState::Description psDesc = GPUPipelineState::Description::DefaultFullscreenTriangle;
if (!_psDebug->IsValid())
if (!_psDebug)
{
_psDebug = device->CreatePipelineState();
psDesc.PS = shader->GetPS("PS_Debug");
if (_psDebug->Init(psDesc))
return true;
@@ -187,7 +186,7 @@ bool GlobalSignDistanceFieldPass::setupResources()
void GlobalSignDistanceFieldPass::OnShaderReloading(Asset* obj)
{
_psDebug->ReleaseGPU();
SAFE_DELETE_GPU_RESOURCE(_psDebug);
_csRasterizeModel0 = nullptr;
_csRasterizeModel1 = nullptr;
_csClearChunk = nullptr;

1
Source/Engine/Renderer/GlobalSignDistanceFieldPass.h
View File

@@ -28,6 +28,7 @@ public:
};
private:
bool _supported = false;
AssetReference<Shader> _shader;
GPUPipelineState* _psDebug = nullptr;
GPUShaderProgramCS* _csRasterizeModel0 = nullptr;