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internal/buildinshader: refactoring

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This commit is contained in:
Hajime Hoshi 2024-10-24 12:16:05 +09:00
parent 98d386f249
commit f6cd2beacf
1 changed files with 4 additions and 4 deletions
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8
internal/builtinshader/shader.go
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@ -60,7 +60,7 @@ var ColorMTranslation vec4
{{end}}
{{if eq .Address .AddressRepeat}}
func adjustTexelForAddressRepeat(p vec2) vec2 {
func adjustSrcPosForAddressRepeat(p vec2) vec2 {
origin := imageSrc0Origin()
size := imageSrc0Size()
return mod(p - origin, size) + origin
@ -74,15 +74,15 @@ func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
{{else if eq .Address .AddressClampToZero}}
clr := imageSrc0At(srcPos)
{{else if eq .Address .AddressRepeat}}
clr := imageSrc0At(adjustTexelForAddressRepeat(srcPos))
clr := imageSrc0At(adjustSrcPosForAddressRepeat(srcPos))
{{end}}
{{else if eq .Filter .FilterLinear}}
p0 := srcPos - 1/2.0
p1 := srcPos + 1/2.0
{{if eq .Address .AddressRepeat}}
p0 = adjustTexelForAddressRepeat(p0)
p1 = adjustTexelForAddressRepeat(p1)
p0 = adjustSrcPosForAddressRepeat(p0)
p1 = adjustSrcPosForAddressRepeat(p1)
{{end}}
{{if eq .Address .AddressUnsafe}}