From 6e6496eebf4057ceb4a09869b0df21b1f0260e81 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Sat, 18 Jul 2026 07:29:31 +0400
Subject: feat(render): upload original TEXM to Vulkan

---
 crates/fparkan-inspection/src/lib.rs | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'crates')

diff --git a/crates/fparkan-inspection/src/lib.rs b/crates/fparkan-inspection/src/lib.rs
index 983505a..ccef1b7 100644
--- a/crates/fparkan-inspection/src/lib.rs
+++ b/crates/fparkan-inspection/src/lib.rs
@@ -331,6 +331,37 @@ pub fn inspect_texture_from_root(
     })
 }
 
+/// Loads a decoded TEXM document through repository-backed lookup.
+///
+/// # Errors
+///
+/// Returns a string error when the resource cannot be resolved or parsed as a
+/// valid TEXM payload.
+pub fn load_texture_from_root(
+    root: &Path,
+    archive: &str,
+    resource: &str,
+) -> Result<fparkan_texm::TexmDocument, String> {
+    let bytes = read_resource_bytes_diagnostic(root, archive, resource)
+        .map_err(|err| render_human(&err))?;
+    decode_texm(bytes).map_err(|err| err.to_string())
+}
+
+/// Loads and decodes TEXM mip 0 as RGBA8 through repository-backed lookup.
+///
+/// # Errors
+///
+/// Returns a string error when the resource cannot be resolved, decoded, or
+/// converted to the shared RGBA8 upload representation.
+pub fn load_texture_mip0_rgba8_from_root(
+    root: &Path,
+    archive: &str,
+    resource: &str,
+) -> Result<fparkan_texm::RgbaImage, String> {
+    let document = load_texture_from_root(root, archive, resource)?;
+    fparkan_texm::decode_mip_rgba8(&document, 0).map_err(|err| err.to_string())
+}
+
 /// Inspects a terrain land file by path.
 ///
 /// # Errors
-- 
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