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vector: remove unnecessary floor

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This commit is contained in:
Hajime Hoshi
2025-07-15 22:23:35 +09:00
parent 96822eaa96
commit 7a2c2c038b
1 changed files with 6 additions and 6 deletions
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vector/stencilshader.go
+6 -6
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@@ -73,7 +73,7 @@ package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
c := imageSrc0UnsafeAt(srcPos)
r := int(floor(c.r*255))
r := int(c.r*255)
w := abs((r >> 4) - (r & 0x0F))
v := min(float(w), 1)
return v * color
@@ -92,8 +92,8 @@ func Fragment(dstPos vec4, srcPos vec2, color vec4, custom vec4) vec4 {
// imageSrc1UnsafeAt uses the offset info, which would prevent batching.
// Use a custom offset instead.
c1 := imageSrc0UnsafeAt(srcPos + custom.xy)
ci0 := ivec4(floor(c0*255))
ci1 := ivec4(floor(c1*255))
ci0 := ivec4(c0*255)
ci1 := ivec4(c1*255)
w0 := abs((ci0 >> 4) - (ci0 & 0x0F))
w1 := abs((ci1 >> 4) - (ci1 & 0x0F))
v0 := min(vec4(w0), 1)
@@ -109,7 +109,7 @@ package main
func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
c := imageSrc0UnsafeAt(srcPos)
r := int(floor(c.r*255))
r := int(c.r*255)
v := abs((r >> 4) - (r & 0x0F))
return float(v % 2) * color
}
@@ -125,8 +125,8 @@ func Fragment(dstPos vec4, srcPos vec2, color vec4, custom vec4) vec4 {
// imageSrc1UnsafeAt uses the offset info, which would prevent batching.
// Use a custom offset instead.
c1 := imageSrc0UnsafeAt(srcPos + custom.xy)
ci0 := ivec4(floor(c0*255))
ci1 := ivec4(floor(c1*255))
ci0 := ivec4(c0*255)
ci1 := ivec4(c1*255)
w0 := abs((ci0 >> 4) - (ci0 & 0x0F))
w1 := abs((ci1 >> 4) - (ci1 & 0x0F))
v0 := vec4(w0 % 2)