CompressedImageSaver revamp

Cargo.toml

@@ -431,8 +431,13 @@ trace = ["bevy_internal/trace", "dep:tracing"]
 # Basis Universal compressed texture support
 basis-universal = ["bevy_internal/basis-universal"]
 
-# Enables compressed KTX2 UASTC texture output on the asset processor
-compressed_image_saver = ["bevy_internal/compressed_image_saver"]
+# Texture compression asset processor (for web)
+compressed_image_saver_web = ["bevy_internal/compressed_image_saver_web"]
+
+# Texture compression asset processor (for desktop)
+compressed_image_saver_desktop = [
+  "bevy_internal/compressed_image_saver_desktop",
+]
 
 # BMP image format support
 bmp = ["bevy_internal/bmp"]

_release-content/migration-guides/compressed_image_saver.md

@@ -0,0 +1,14 @@
+---
+title: Feature that broke
+pull_requests: [14791, 15458, 15269]
+---
+
+Copy the contents of this file into a new file in `./migration-guides`, update the metadata, and add migration guide content here.
+
+Remember, your aim is to communicate:
+
+- What has changed since the last release?
+- Why did we make this breaking change?
+- How can users migrate their existing code?
+
+For more specifics about style and content, see the [instructions](./migration_guides.md).

_release-content/release-notes/compressed_image_saver.md

@@ -0,0 +1,19 @@
+---
+title: Feature name
+authors: ["@FerrisTheCrab", "@BirdObsessed"]
+pull_requests: [14791, 15458, 15269]
+---
+
+Copy the contents of this file into `./release-notes`, update the metadata, and add release note content here.
+
+## Goals
+
+Answer the following:
+
+- What has been changed or added?
+- Why is this a big deal for users?
+- How can they use it?
+
+## Style Guide
+
+You may use markdown headings levels two and three, and must not start with a heading. Prose is appreciated, but bullet points are acceptable. Copying the introduction from your PR is often a good place to start.

crates/bevy_image/Cargo.toml

@@ -45,8 +45,11 @@ zstd_rust = ["zstd", "dep:ruzstd"]
 # Binding to zstd C implementation (faster)
 zstd_c = ["zstd", "dep:zstd"]
 
-# Enables compressed KTX2 UASTC texture output on the asset processor
-compressed_image_saver = ["basis-universal"]
+# Texture compression asset processor (for web)
+compressed_image_saver_web = ["basis-universal"]
+
+# Texture compression asset processor (for desktop)
+compressed_image_saver_desktop = ["dep:ctt", "ktx2"]
 
 [dependencies]
 # bevy
@@ -88,6 +91,7 @@ ruzstd = { version = "0.8.0", optional = true }
 basis-universal = { version = "0.3.0", optional = true }
 tracing = { version = "0.1", default-features = false, features = ["std"] }
 half = { version = "2.4.1" }
+ctt = { git = "https://github.com/cwfitzgerald/ctt", rev = "fd41d518a557803bd1eda1bcc6fbbcd4e07757c5", optional = true }
 
 [dev-dependencies]
 bevy_ecs = { path = "../bevy_ecs", version = "0.19.0-dev" }