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Fix Metal texture size mismatch in mask loading

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Scale mask and image to texture dimensions when loading into Metal
textures, fixing crash when brush mask has different dimensions
than the source image.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
jared
2026-01-24 12:54:27 -05:00
parent ab46586ece
commit 4fbf1abb57
1 changed files with 10 additions and 4 deletions
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14
CheapRetouch/Services/InpaintEngine/PatchMatch.swift
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@@ -294,8 +294,9 @@ final class PatchMatchInpainter {
// MARK: - Texture Utilities
private func loadCGImage(_ cgImage: CGImage, into texture: MTLTexture) throws {
let width = cgImage.width
let height = cgImage.height
// Use texture dimensions for consistency
let width = texture.width
let height = texture.height
guard let context = CGContext(
data: nil,
@@ -309,6 +310,8 @@ final class PatchMatchInpainter {
throw PatchMatchError.contextCreationFailed
}
// Draw the image scaled to fit the texture dimensions
context.interpolationQuality = .high
context.draw(cgImage, in: CGRect(x: 0, y: 0, width: width, height: height))
guard let data = context.data else {
@@ -324,8 +327,9 @@ final class PatchMatchInpainter {
}
private func loadCGImageGrayscale(_ cgImage: CGImage, into texture: MTLTexture) throws {
let width = cgImage.width
let height = cgImage.height
// Use texture dimensions, scaling the mask if needed
let width = texture.width
let height = texture.height
guard let context = CGContext(
data: nil,
@@ -339,6 +343,8 @@ final class PatchMatchInpainter {
throw PatchMatchError.contextCreationFailed
}
// Draw the mask scaled to fit the texture dimensions
context.interpolationQuality = .high
context.draw(cgImage, in: CGRect(x: 0, y: 0, width: width, height: height))
guard let data = context.data else {