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internal/mipmap: refactoring

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This commit is contained in:
Hajime Hoshi 2024-08-11 22:29:13 +09:00
parent 5e820be911
commit e6807794f2
1 changed files with 15 additions and 13 deletions
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28
internal/mipmap/mipmap.go
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@ -74,19 +74,21 @@ func (m *Mipmap) DrawTriangles(srcs [graphics.ShaderSrcImageCount]*Mipmap, verti
if !canSkipMipmap && srcs[0] != nil && canUseMipmap(srcs[0].imageType) {
level = math.MaxInt32
for i := 0; i < len(indices); i += 3 {
const n = graphics.VertexFloatCount
dx0 := vertices[n*indices[i]+0]
dy0 := vertices[n*indices[i]+1]
sx0 := vertices[n*indices[i]+2]
sy0 := vertices[n*indices[i]+3]
dx1 := vertices[n*indices[i+1]+0]
dy1 := vertices[n*indices[i+1]+1]
sx1 := vertices[n*indices[i+1]+2]
sy1 := vertices[n*indices[i+1]+3]
dx2 := vertices[n*indices[i+2]+0]
dy2 := vertices[n*indices[i+2]+1]
sx2 := vertices[n*indices[i+2]+2]
sy2 := vertices[n*indices[i+2]+3]
idx0 := indices[i]
idx1 := indices[i+1]
idx2 := indices[i+2]
dx0 := vertices[graphics.VertexFloatCount*idx0]
dy0 := vertices[graphics.VertexFloatCount*idx0+1]
sx0 := vertices[graphics.VertexFloatCount*idx0+2]
sy0 := vertices[graphics.VertexFloatCount*idx0+3]
dx1 := vertices[graphics.VertexFloatCount*idx1]
dy1 := vertices[graphics.VertexFloatCount*idx1+1]
sx1 := vertices[graphics.VertexFloatCount*idx1+2]
sy1 := vertices[graphics.VertexFloatCount*idx1+3]
dx2 := vertices[graphics.VertexFloatCount*idx2]
dy2 := vertices[graphics.VertexFloatCount*idx2+1]
sx2 := vertices[graphics.VertexFloatCount*idx2+2]
sy2 := vertices[graphics.VertexFloatCount*idx2+3]
if l := mipmapLevelFromDistance(dx0, dy0, dx1, dy1, sx0, sy0, sx1, sy1); level > l {
level = l
}