99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
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package graph
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import (
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"github.com/vkngwrapper/core/v2/core1_0"
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"zworld/engine/render/pass"
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"zworld/engine/renderapi/vulkan"
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)
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// Instantiates the default render graph
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func Default(app vulkan.App, target vulkan.Target) T {
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return New(app, target, func(g T, output vulkan.Target) []Resource {
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size := output.Size()
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//
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// screen buffers
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//
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// allocate main depth buffer
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depth := vulkan.NewDepthTarget(app.Device(), "main-depth", size)
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// main off-screen color buffer
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hdrBuffer := vulkan.NewColorTarget(app.Device(), "main-color", core1_0.FormatR16G16B16A16SignedFloat, size)
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// create geometry buffer
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gbuffer, err := pass.NewGbuffer(app.Device(), size)
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if err != nil {
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panic(err)
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}
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// allocate SSAO output buffer
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ssaoFormat := core1_0.FormatR16SignedFloat
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ssaoOutput := vulkan.NewColorTarget(app.Device(), "ssao-output", ssaoFormat, vulkan.TargetSize{
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Width: size.Width / 2,
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Height: size.Height / 2,
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Frames: size.Frames,
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Scale: size.Scale,
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})
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//
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// main render pass
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//
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shadows := pass.NewShadowPass(app, output)
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shadowNode := g.Node(shadows)
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// depth pre-pass
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depthPass := g.Node(pass.NewDepthPass(app, depth, gbuffer))
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// deferred geometry
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deferredGeometry := g.Node(pass.NewDeferredGeometryPass(app, depth, gbuffer))
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deferredGeometry.After(depthPass, core1_0.PipelineStageTopOfPipe)
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// ssao pass
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ssao := g.Node(pass.NewAmbientOcclusionPass(app, ssaoOutput, gbuffer))
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ssao.After(deferredGeometry, core1_0.PipelineStageTopOfPipe)
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// ssao blur pass
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blurOutput := vulkan.NewColorTarget(app.Device(), "blur-output", ssaoOutput.SurfaceFormat(), ssaoOutput.Size())
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blur := g.Node(pass.NewBlurPass(app, blurOutput, ssaoOutput))
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blur.After(ssao, core1_0.PipelineStageTopOfPipe)
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// deferred lighting
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deferredLighting := g.Node(pass.NewDeferredLightingPass(app, hdrBuffer, gbuffer, shadows, blurOutput))
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deferredLighting.After(shadowNode, core1_0.PipelineStageTopOfPipe)
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deferredLighting.After(blur, core1_0.PipelineStageTopOfPipe)
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// forward pass
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forward := g.Node(pass.NewForwardPass(app, hdrBuffer, depth, shadows))
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forward.After(deferredLighting, core1_0.PipelineStageTopOfPipe)
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//
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// final image composition
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//
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// post process pass
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composition := vulkan.NewColorTarget(app.Device(), "composition", hdrBuffer.SurfaceFormat(), hdrBuffer.Size())
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post := g.Node(pass.NewPostProcessPass(app, composition, hdrBuffer))
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post.After(forward, core1_0.PipelineStageTopOfPipe)
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lines := g.Node(pass.NewLinePass(app, composition, depth))
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lines.After(post, core1_0.PipelineStageTopOfPipe)
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//gui := g.Node(pass.NewGuiPass(app, composition))
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//gui.After(lines, core1_0.PipelineStageTopOfPipe)
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//outputPass := g.Node(pass.NewOutputPass(app, output, composition))
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//outputPass.After(gui, core1_0.PipelineStageTopOfPipe)
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return []Resource{
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depth,
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hdrBuffer,
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gbuffer,
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ssaoOutput,
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blurOutput,
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composition,
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}
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})
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}
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