| 46 | using namespace donut::render; |
| 47 | |
| 48 | EnvironmentMapPass::EnvironmentMapPass( |
| 49 | nvrhi::IDevice* device, |
| 50 | std::shared_ptr<ShaderFactory> shaderFactory, |
| 51 | std::shared_ptr<CommonRenderPasses> commonPasses, |
| 52 | std::shared_ptr<FramebufferFactory> framebufferFactory, |
| 53 | const ICompositeView& compositeView, |
| 54 | nvrhi::ITexture* environmentMap) |
| 55 | : m_CommonPasses(commonPasses) |
| 56 | , m_FramebufferFactory(framebufferFactory) |
| 57 | { |
| 58 | nvrhi::TextureDimension envMapDimension = environmentMap->getDesc().dimension; |
| 59 | bool isCubeMap = (envMapDimension == nvrhi::TextureDimension::TextureCube) || |
| 60 | (envMapDimension == nvrhi::TextureDimension::TextureCubeArray); |
| 61 | |
| 62 | std::vector<engine::ShaderMacro> PSMacros; |
| 63 | PSMacros.push_back(engine::ShaderMacro("LATLONG_TEXTURE", isCubeMap ? "0" : "1")); |
| 64 | |
| 65 | m_PixelShader = shaderFactory->CreateAutoShader("donut/passes/environment_map_ps.hlsl", "main", |
| 66 | DONUT_MAKE_PLATFORM_SHADER(g_environment_map_ps), &PSMacros, nvrhi::ShaderType::Pixel); |
| 67 | |
| 68 | nvrhi::BufferDesc constantBufferDesc; |
| 69 | constantBufferDesc.byteSize = sizeof(SkyConstants); |
| 70 | constantBufferDesc.debugName = "SkyConstants"; |
| 71 | constantBufferDesc.isConstantBuffer = true; |
| 72 | constantBufferDesc.isVolatile = true; |
| 73 | constantBufferDesc.maxVersions = engine::c_MaxRenderPassConstantBufferVersions; |
| 74 | m_SkyCB = device->createBuffer(constantBufferDesc); |
| 75 | |
| 76 | const IView* sampleView = compositeView.GetChildView(ViewType::PLANAR, 0); |
| 77 | |
| 78 | { |
| 79 | nvrhi::BindingLayoutDesc layoutDesc; |
| 80 | layoutDesc.visibility = nvrhi::ShaderType::Pixel; |
| 81 | layoutDesc.bindings = { |
| 82 | nvrhi::BindingLayoutItem::VolatileConstantBuffer(0), |
| 83 | nvrhi::BindingLayoutItem::Texture_SRV(0), |
| 84 | nvrhi::BindingLayoutItem::Sampler(0) |
| 85 | }; |
| 86 | m_RenderBindingLayout = device->createBindingLayout(layoutDesc); |
| 87 | |
| 88 | nvrhi::BindingSetDesc bindingSetDesc; |
| 89 | bindingSetDesc.bindings = { |
| 90 | nvrhi::BindingSetItem::ConstantBuffer(0, m_SkyCB), |
| 91 | nvrhi::BindingSetItem::Texture_SRV(0, environmentMap), |
| 92 | nvrhi::BindingSetItem::Sampler(0, commonPasses->m_LinearWrapSampler) |
| 93 | }; |
| 94 | m_RenderBindingSet = device->createBindingSet(bindingSetDesc, m_RenderBindingLayout); |
| 95 | |
| 96 | nvrhi::GraphicsPipelineDesc pipelineDesc; |
| 97 | pipelineDesc.primType = nvrhi::PrimitiveType::TriangleStrip; |
| 98 | pipelineDesc.VS = sampleView->IsReverseDepth() ? m_CommonPasses->m_FullscreenVS : m_CommonPasses->m_FullscreenAtOneVS; |
| 99 | pipelineDesc.PS = m_PixelShader; |
| 100 | pipelineDesc.bindingLayouts = { m_RenderBindingLayout }; |
| 101 | |
| 102 | pipelineDesc.renderState.rasterState.setCullNone(); |
| 103 | pipelineDesc.renderState.depthStencilState |
| 104 | .enableDepthTest() |
| 105 | .disableDepthWrite() |
nothing calls this directly
no test coverage detected