DeferredShading demo: Add a skybox
This commit is contained in:
Jérôme Leclercq
parent
6fe7e5b16b
commit
56b8d83bab
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@ -0,0 +1,67 @@
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[layout(std140)]
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struct ViewerData
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{
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projectionMatrix: mat4<f32>,
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invProjectionMatrix: mat4<f32>,
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viewMatrix: mat4<f32>,
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invViewMatrix: mat4<f32>,
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viewProjMatrix: mat4<f32>,
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invViewProjMatrix: mat4<f32>,
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renderTargetSize: vec2<f32>,
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invRenderTargetSize: vec2<f32>,
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eyePosition: vec3<f32>
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}
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external
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{
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[binding(1)] skybox: samplerCube<f32>
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}
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struct VertOut
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{
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[location(0)] uvw: vec3<f32>,
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[builtin(position)] position: vec4<f32>
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}
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struct FragOut
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{
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[location(0)] color: vec4<f32>,
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[builtin(fragdepth)] depth: f32
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}
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[entry(frag)]
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[depth_write(greater)]
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fn main(input: VertOut) -> FragOut
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{
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let output: FragOut;
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output.color = skybox.Sample(input.uvw);
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output.depth = 1.0;
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return output;
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}
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external
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{
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[binding(0)] viewerData: uniform<ViewerData>
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}
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struct VertIn
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{
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[location(0)] position: vec3<f32>
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}
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[entry(vert)]
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fn main(input: VertIn) -> VertOut
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{
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// Set translation part to zero
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let rotationMat = viewerData.viewMatrix;
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rotationMat[3][0] = 0.0;
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rotationMat[3][1] = 0.0;
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rotationMat[3][2] = 0.0;
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let output: VertOut;
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output.position = viewerData.projectionMatrix * rotationMat * vec4<f32>(input.position, 1.0);
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output.uvw = vec3<f32>(input.position.xy * -1.0, input.position.z);
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return output;
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}
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@ -108,6 +108,7 @@ int main()
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texParams.renderDevice = device;
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texParams.loadFormat = Nz::PixelFormat::RGBA8_SRGB;
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// Plane
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Nz::MeshParams meshPrimitiveParams;
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meshPrimitiveParams.storage = Nz::DataStorage::Software;
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@ -119,8 +120,49 @@ int main()
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std::shared_ptr<Nz::GraphicalMesh> planeMeshGfx = std::make_shared<Nz::GraphicalMesh>(*planeMesh);
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// Skybox
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meshPrimitiveParams.vertexDeclaration = Nz::VertexDeclaration::Get(Nz::VertexLayout::XYZ);
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std::shared_ptr<Nz::Mesh> cubeMesh = std::make_shared<Nz::Mesh>();
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cubeMesh->CreateStatic();
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cubeMesh->BuildSubMesh(Nz::Primitive::Box(Nz::Vector3f::Unit(), Nz::Vector3ui(0), Nz::Matrix4f::Scale({ 1.f, -1.f, 1.f })), meshPrimitiveParams);
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cubeMesh->SetMaterialCount(1);
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std::shared_ptr<Nz::GraphicalMesh> cubeMeshGfx = std::make_shared<Nz::GraphicalMesh>(*cubeMesh);
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Nz::RenderPipelineLayoutInfo pipelineLayoutInfo;
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auto& uboBinding = pipelineLayoutInfo.bindings.emplace_back();
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uboBinding.index = 0;
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uboBinding.shaderStageFlags = Nz::ShaderStageType::Vertex;
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uboBinding.type = Nz::ShaderBindingType::UniformBuffer;
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auto& textureBinding = pipelineLayoutInfo.bindings.emplace_back();
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textureBinding.index = 1;
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textureBinding.shaderStageFlags = Nz::ShaderStageType::Fragment;
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textureBinding.type = Nz::ShaderBindingType::Texture;
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std::shared_ptr<Nz::RenderPipelineLayout> skyboxPipelineLayout = device->InstantiateRenderPipelineLayout(std::move(pipelineLayoutInfo));
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Nz::RenderPipelineInfo skyboxPipelineInfo;
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skyboxPipelineInfo.depthBuffer = true;
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skyboxPipelineInfo.depthCompare = Nz::RendererComparison::Equal;
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skyboxPipelineInfo.faceCulling = true;
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skyboxPipelineInfo.cullingSide = Nz::FaceSide::Front;
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skyboxPipelineInfo.pipelineLayout = skyboxPipelineLayout;
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skyboxPipelineInfo.shaderModules.push_back(device->InstantiateShaderModule(Nz::ShaderStageType::Fragment | Nz::ShaderStageType::Vertex, Nz::ShaderLanguage::NazaraShader, resourceDir / "skybox.nzsl", {}));
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skyboxPipelineInfo.vertexBuffers.push_back({
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0,
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meshPrimitiveParams.vertexDeclaration
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});
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std::shared_ptr<Nz::RenderPipeline> skyboxPipeline = device->InstantiateRenderPipeline(std::move(skyboxPipelineInfo));
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Nz::TextureParams skyboxTexParams;
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skyboxTexParams.renderDevice = device;
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std::shared_ptr<Nz::Texture> skyboxTexture = Nz::Texture::LoadCubemapFromFile(resourceDir / "skybox-space.png", skyboxTexParams);
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// Cone mesh
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std::shared_ptr<Nz::Mesh> coneMesh = std::make_shared<Nz::Mesh>();
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coneMesh->CreateStatic();
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coneMesh->BuildSubMesh(Nz::Primitive::Cone(1.f, 1.f, 16, Nz::Matrix4f::Rotate(Nz::EulerAnglesf(90.f, 0.f, 0.f))), meshPrimitiveParams);
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@ -436,7 +478,28 @@ int main()
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bool viewerUboUpdate = true;
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Nz::BakedFrameGraph bakedGraph = [&]{
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std::shared_ptr<Nz::TextureSampler> textureSampler = device->InstantiateTextureSampler({});
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std::shared_ptr<Nz::ShaderBinding> skyboxShaderBinding = skyboxPipelineLayout->AllocateShaderBinding();
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skyboxShaderBinding->Update({
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{
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0,
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Nz::ShaderBinding::UniformBufferBinding {
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viewerDataUBO.get(),
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0, viewerDataUBO->GetSize()
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}
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},
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{
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1,
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Nz::ShaderBinding::TextureBinding {
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skyboxTexture.get(),
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textureSampler.get()
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}
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}
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});
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Nz::BakedFrameGraph bakedGraph = [&]
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{
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Nz::FrameGraph graph;
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colorTexture = graph.AddAttachment({
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@ -544,7 +607,26 @@ int main()
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lightingPass.SetClearColor(lightingPass.AddOutput(backbuffer), Nz::Color::Black);
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lightingPass.SetDepthStencilInput(depthBuffer);
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lightingPass.SetDepthStencilOutput(depthBuffer);
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//lightingPass.SetDepthStencilInput(depthBuffer);
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Nz::FramePass& forwardPass = graph.AddPass("Forward pass");
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forwardPass.SetCommandCallback([&](Nz::CommandBufferBuilder& builder)
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{
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builder.SetScissor(Nz::Recti{ 0, 0, int(offscreenWidth), int(offscreenHeight) });
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builder.SetViewport(Nz::Recti{ 0, 0, int(offscreenWidth), int(offscreenHeight) });
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builder.BindShaderBinding(*skyboxShaderBinding);
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builder.BindIndexBuffer(cubeMeshGfx->GetIndexBuffer(0).get());
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builder.BindVertexBuffer(0, cubeMeshGfx->GetVertexBuffer(0).get());
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builder.BindPipeline(*skyboxPipeline);
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builder.DrawIndexed(static_cast<Nz::UInt32>(cubeMeshGfx->GetIndexCount(0)));
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});
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forwardPass.AddInput(backbuffer);
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forwardPass.AddOutput(backbuffer);
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forwardPass.SetDepthStencilInput(depthBuffer);
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forwardPass.SetDepthStencilOutput(depthBuffer);
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graph.SetBackbufferOutput(backbuffer);
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@ -553,8 +635,6 @@ int main()
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bakedGraph.Resize(offscreenWidth, offscreenHeight);
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std::shared_ptr<Nz::TextureSampler> textureSampler = device->InstantiateTextureSampler({});
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for (std::size_t i = 0; i < MaxPointLight; ++i)
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{
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@ -787,7 +867,6 @@ int main()
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Nz::Vector3f position = Nz::Matrix4f::Rotate(Nz::EulerAnglesf(0.f, elapsedTime * 45.f * rotationSpeed, 0.f)) * spotLight.position;
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Nz::Vector3f direction = Nz::Matrix4f::Rotate(Nz::EulerAnglesf(0.f, elapsedTime * 90.f * rotationSpeed, 0.f)) * spotLight.direction;
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Nz::AccessByOffset<Nz::Vector3f&>(lightDataPtr, colorOffset) = Nz::Vector3f(spotLight.color.r / 255.f, spotLight.color.g / 255.f, spotLight.color.b / 255.f);
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Nz::AccessByOffset<Nz::Vector3f&>(lightDataPtr, positionOffset) = position;
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Nz::AccessByOffset<Nz::Vector3f&>(lightDataPtr, directionOffset) = direction;
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