sid
/
NazaraEngine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Examples/DeferredShading: Add flare sprite

This commit is contained in:
Jérôme Leclercq 2021-12-23 17:40:03 +01:00
parent d4dfe97006
commit 0aff946665
1 changed files with 68 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
examples/DeferredShading/main.cpp
View File

@ -197,6 +197,26 @@ int main()
}
spaceshipMat->AddPass("ForwardPass", spaceshipMatPass);
std::shared_ptr<Nz::Material> flareMaterial = std::make_shared<Nz::Material>();
std::shared_ptr<Nz::MaterialPass> flareMaterialPass;
{
flareMaterialPass = std::make_shared<Nz::MaterialPass>(customMatSettings);
flareMaterialPass->EnableDepthBuffer(true);
flareMaterialPass->EnableDepthWrite(false);
flareMaterialPass->EnableDepthClamp(true);
flareMaterialPass->EnableFlag(Nz::MaterialPassFlag::SortByDistance);
flareMaterialPass->EnableBlending(true);
flareMaterialPass->SetBlendEquation(Nz::BlendEquation::Add, Nz::BlendEquation::Add);
flareMaterialPass->SetBlendFunc(Nz::BlendFunc::SrcAlpha, Nz::BlendFunc::InvSrcAlpha, Nz::BlendFunc::One, Nz::BlendFunc::Zero);
Nz::BasicMaterial Osef(*flareMaterialPass);
Osef.SetDiffuseMap(Nz::Texture::LoadFromFile(resourceDir / "flare1.png", texParams));
flareMaterial->AddPass("ForwardPass", flareMaterialPass);
}
std::shared_ptr<Nz::Material> planeMat = std::make_shared<Nz::Material>();
std::shared_ptr<Nz::MaterialPass> planeMatPass = std::make_shared<Nz::MaterialPass>(customMatSettings);
@ -529,8 +549,8 @@ int main()
std::vector<Nz::UInt8> godRaysData(godraysFieldOffsets.GetSize());
Nz::AccessByOffset<float&>(godRaysData.data(), gr_exposureOffset) = 0.0034f;
Nz::AccessByOffset<float&>(godRaysData.data(), gr_decayOffset) = 0.9f;
Nz::AccessByOffset<float&>(godRaysData.data(), gr_densityOffset) = 0.84f;
Nz::AccessByOffset<float&>(godRaysData.data(), gr_decayOffset) = 0.99f;
Nz::AccessByOffset<float&>(godRaysData.data(), gr_densityOffset) = 0.95f;
Nz::AccessByOffset<float&>(godRaysData.data(), gr_weightOffset) = 5.65f;
Nz::AccessByOffset<Nz::Vector2f&>(godRaysData.data(), gr_lightPositionOffset) = Nz::Vector2f(0.5f, 0.1f);
@ -684,11 +704,26 @@ int main()
std::size_t toneMappingOutput;
Nz::SpriteChainRenderer spritechainRenderer(*device);
std::unique_ptr<Nz::ElementRendererData> spriteRendererData = spritechainRenderer.InstanciateData();
Nz::Sprite flareSprite(flareMaterial);
flareSprite.SetSize({ 128.f, 128.f });
flareSprite.SetSize(flareSprite.GetSize() * 0.1f);
flareSprite.SetOrigin(flareSprite.GetSize() / 2.f);
Nz::Vector3f flarePosition = { 0.f, 6.f, 100.f };
Nz::WorldInstance flareInstance;
flareInstance.UpdateWorldMatrix(Nz::Matrix4f::Translate(flarePosition));
Nz::SubmeshRenderer submeshRenderer;
std::unique_ptr<Nz::ElementRendererData> submeshRendererData = submeshRenderer.InstanciateData();
std::size_t forwardPassIndex = Nz::Graphics::Instance()->GetMaterialPassRegistry().GetPassIndex("ForwardPass");
Nz::RenderFrame* currentFrame = nullptr;
Nz::BakedFrameGraph bakedGraph = [&]
{
Nz::PixelFormat depthStencilFormat = Nz::PixelFormat::Undefined;
@ -746,7 +781,9 @@ int main()
godRaysTexture = graph.AddAttachment({
"God rays texture",
Nz::PixelFormat::RGBA16F
Nz::PixelFormat::RGBA16F,
50'000,
50'000
});
bloomOutput = graph.AddAttachmentProxy("Bloom output", lightOutput);
@ -823,9 +860,7 @@ int main()
for (const auto& element : elements)
elementPointers.emplace_back(element.get());
Nz::RenderFrame dummy;
submeshRenderer.Prepare(viewerInstance, *submeshRendererData, dummy, elementPointers.data(), elementPointers.size());
submeshRenderer.Prepare(viewerInstance, *submeshRendererData, *currentFrame, elementPointers.data(), elementPointers.size());
submeshRenderer.Render(viewerInstance, *submeshRendererData, builder, elementPointers.data(), elementPointers.size());
});
@ -878,6 +913,17 @@ int main()
builder.BindPipeline(*skyboxPipeline);
builder.DrawIndexed(Nz::SafeCast<Nz::UInt32>(cubeMeshGfx->GetIndexCount(0)));
std::vector<std::unique_ptr<Nz::RenderElement>> elements;
flareSprite.BuildElement(forwardPassIndex, flareInstance, elements);
std::vector<Nz::Pointer<const Nz::RenderElement>> elementPointers;
elementPointers.reserve(elements.size());
for (const auto& element : elements)
elementPointers.emplace_back(element.get());
spritechainRenderer.Prepare(viewerInstance, *spriteRendererData, *currentFrame, elementPointers.data(), elementPointers.size());
spritechainRenderer.Render(viewerInstance, *spriteRendererData, builder, elementPointers.data(), elementPointers.size());
});
forwardPass.SetExecutionCallback([&]
{
@ -896,13 +942,16 @@ int main()
builder.SetScissor(renderArea);
builder.SetViewport(renderArea);
builder.BindShaderBinding(0, *skyboxShaderBinding);
std::vector<std::unique_ptr<Nz::RenderElement>> elements;
flareSprite.BuildElement(forwardPassIndex, flareInstance, elements);
builder.BindIndexBuffer(*cubeMeshGfx->GetIndexBuffer(0));
builder.BindVertexBuffer(0, *cubeMeshGfx->GetVertexBuffer(0));
builder.BindPipeline(*skyboxPipeline);
std::vector<Nz::Pointer<const Nz::RenderElement>> elementPointers;
elementPointers.reserve(elements.size());
for (const auto& element : elements)
elementPointers.emplace_back(element.get());
builder.DrawIndexed(Nz::SafeCast<Nz::UInt32>(cubeMeshGfx->GetIndexCount(0)));
spritechainRenderer.Prepare(viewerInstance, *spriteRendererData, *currentFrame, elementPointers.data(), elementPointers.size());
spritechainRenderer.Render(viewerInstance, *spriteRendererData, builder, elementPointers.data(), elementPointers.size());
});
occluderPass.AddOutput(occluderTexture);
@ -926,7 +975,6 @@ int main()
godraysPass.AddInput(occluderTexture);
godraysPass.AddOutput(godRaysTexture);
Nz::FramePass& bloomBrightPass = graph.AddPass("Bloom pass - extract bright pixels");
bloomBrightPass.SetCommandCallback([&](Nz::CommandBufferBuilder& builder, const Nz::Recti& renderArea)
{
@ -1190,6 +1238,8 @@ int main()
if (!frame)
continue;
currentFrame = &frame;
if (bakedGraph.Resize(frame))
{
frame.PushForRelease(std::move(gbufferShaderBinding));
@ -1452,6 +1502,10 @@ int main()
modelInstance2.UpdateBuffers(uploadPool, builder);
planeInstance.UpdateBuffers(uploadPool, builder);
Nz::EulerAnglesf flareRotation(0.f, 0.f, elapsedTime * 10.f);
flareInstance.UpdateWorldMatrix(Nz::Matrix4f::Transform(viewerPos + flarePosition, flareRotation));
flareInstance.UpdateBuffers(uploadPool, builder);
viewerInstance.UpdateBuffers(uploadPool, builder);
// Update light buffer
@ -1487,7 +1541,7 @@ int main()
// Update light scattering buffer
{
Nz::Vector4f pos(0.f, 200.f, 0.f, 1.f);
Nz::Vector4f pos(flareInstance.GetWorldMatrix().GetTranslation(), 1.f);
pos = viewerInstance.GetViewMatrix() * pos;
pos = viewerInstance.GetProjectionMatrix() * pos;
pos /= pos.w;
@ -1507,6 +1561,7 @@ int main()
matUpdate = spaceshipMatPass->Update(frame, builder) || matUpdate;
matUpdate = planeMatPass->Update(frame, builder) || matUpdate;
matUpdate = flareMaterialPass->Update(frame, builder) || matUpdate;
builder.PostTransferBarrier();
}