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internal/graphicsdriver/metal: reduce rendering paths for even-odd rendering

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This commit is contained in:
Hajime Hoshi 2022-11-04 16:17:40 +09:00
parent 1839dd0b9b
commit 0afb6fd22a
1 changed files with 34 additions and 33 deletions
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67
internal/graphicsdriver/metal/graphics_darwin.go
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@ -41,8 +41,8 @@ type Graphics struct {
buffers map[mtl.CommandBuffer][]mtl.Buffer
unusedBuffers map[mtl.Buffer]struct{}
lastDst *Image
lastStencilMode stencilMode
lastDst *Image
lastEvenOdd bool
vb mtl.Buffer
ib mtl.Buffer
@ -421,15 +421,15 @@ func (g *Graphics) flushRenderCommandEncoderIfNeeded() {
g.lastDst = nil
}
func (g *Graphics) draw(rps mtl.RenderPipelineState, dst *Image, dstRegion graphicsdriver.Region, srcs [graphics.ShaderImageCount]*Image, indexLen int, indexOffset int, uniforms [][]float32, stencilMode stencilMode) error {
func (g *Graphics) draw(dst *Image, dstRegion graphicsdriver.Region, srcs [graphics.ShaderImageCount]*Image, indexLen int, indexOffset int, shader *Shader, uniforms [][]float32, blend graphicsdriver.Blend, evenOdd bool) error {
// When prepareing a stencil buffer, flush the current render command encoder
// to make sure the stencil buffer is cleared when loading.
// TODO: What about clearing the stencil buffer by vertices?
if g.lastDst != dst || (g.lastStencilMode == noStencil) != (stencilMode == noStencil) || stencilMode == prepareStencil {
if g.lastDst != dst || g.lastEvenOdd != evenOdd || evenOdd {
g.flushRenderCommandEncoderIfNeeded()
}
g.lastDst = dst
g.lastStencilMode = stencilMode
g.lastEvenOdd = evenOdd
if g.rce == (mtl.RenderCommandEncoder{}) {
rpd := mtl.RenderPassDescriptor{}
@ -451,7 +451,7 @@ func (g *Graphics) draw(rps mtl.RenderPipelineState, dst *Image, dstRegion graph
rpd.ColorAttachments[0].Texture = t
rpd.ColorAttachments[0].ClearColor = mtl.ClearColor{}
if stencilMode == prepareStencil {
if evenOdd {
dst.ensureStencil()
rpd.StencilAttachment.LoadAction = mtl.LoadActionClear
rpd.StencilAttachment.StoreAction = mtl.StoreActionDontCare
@ -464,8 +464,6 @@ func (g *Graphics) draw(rps mtl.RenderPipelineState, dst *Image, dstRegion graph
g.rce = g.cb.MakeRenderCommandEncoder(rpd)
}
g.rce.SetRenderPipelineState(rps)
w, h := dst.internalSize()
g.rce.SetViewport(mtl.Viewport{
OriginX: 0,
@ -499,9 +497,33 @@ func (g *Graphics) draw(rps mtl.RenderPipelineState, dst *Image, dstRegion graph
}
}
g.rce.SetDepthStencilState(g.dsss[stencilMode])
if evenOdd {
prepareStencilRpss, err := shader.RenderPipelineState(&g.view, blend, prepareStencil, dst.screen)
if err != nil {
return err
}
drawWithStencilRpss, err := shader.RenderPipelineState(&g.view, blend, drawWithStencil, dst.screen)
if err != nil {
return err
}
g.rce.DrawIndexedPrimitives(mtl.PrimitiveTypeTriangle, indexLen, mtl.IndexTypeUInt16, g.ib, indexOffset*2)
g.rce.SetDepthStencilState(g.dsss[prepareStencil])
g.rce.SetRenderPipelineState(prepareStencilRpss)
g.rce.DrawIndexedPrimitives(mtl.PrimitiveTypeTriangle, indexLen, mtl.IndexTypeUInt16, g.ib, indexOffset*2)
g.rce.SetDepthStencilState(g.dsss[drawWithStencil])
g.rce.SetRenderPipelineState(drawWithStencilRpss)
g.rce.DrawIndexedPrimitives(mtl.PrimitiveTypeTriangle, indexLen, mtl.IndexTypeUInt16, g.ib, indexOffset*2)
} else {
rpss, err := shader.RenderPipelineState(&g.view, blend, noStencil, dst.screen)
if err != nil {
return err
}
g.rce.SetDepthStencilState(g.dsss[noStencil])
g.rce.SetRenderPipelineState(rpss)
g.rce.DrawIndexedPrimitives(mtl.PrimitiveTypeTriangle, indexLen, mtl.IndexTypeUInt16, g.ib, indexOffset*2)
}
return nil
}
@ -564,29 +586,8 @@ func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.
}
}
if evenOdd {
prepareStencilRpss, err := g.shaders[shaderID].RenderPipelineState(&g.view, blend, prepareStencil, dst.screen)
if err != nil {
return err
}
if err := g.draw(prepareStencilRpss, dst, dstRegion, srcs, indexLen, indexOffset, uniformVars, prepareStencil); err != nil {
return err
}
drawWithStencilRpss, err := g.shaders[shaderID].RenderPipelineState(&g.view, blend, drawWithStencil, dst.screen)
if err != nil {
return err
}
if err := g.draw(drawWithStencilRpss, dst, dstRegion, srcs, indexLen, indexOffset, uniformVars, drawWithStencil); err != nil {
return err
}
} else {
rpss, err := g.shaders[shaderID].RenderPipelineState(&g.view, blend, noStencil, dst.screen)
if err != nil {
return err
}
if err := g.draw(rpss, dst, dstRegion, srcs, indexLen, indexOffset, uniformVars, noStencil); err != nil {
return err
}
if err := g.draw(dst, dstRegion, srcs, indexLen, indexOffset, g.shaders[shaderID], uniformVars, blend, evenOdd); err != nil {
return err
}
return nil