From 6746e5b651b51b209fdd7c859c519709ca43aa91 Mon Sep 17 00:00:00 2001
From: Mike Ward <mike@mike-ward.net>
Date: Wed, 29 Oct 2025 04:57:28 -0500
Subject: [PATCH] gg: destroy unused GPU resources before replacing cached
 images (#25615)

---
 vlib/gg/image.c.v  | 12 ++++++++++++
 vlib/gg/image.js.v |  4 ++++
 vlib/gg/image.v    |  1 +
 3 files changed, 17 insertions(+)

diff --git a/vlib/gg/image.c.v b/vlib/gg/image.c.v
index 222dc532e..fc1efc5a1 100644
--- a/vlib/gg/image.c.v
+++ b/vlib/gg/image.c.v
@@ -25,6 +25,18 @@ pub mut:
 	path        string
 }
 
+// destroy GPU resources associated with the image
+fn (image &Image) destroy() {
+	if image.ok {
+		if image.simg.id > 0 {
+			gfx.destroy_image(image.simg)
+		}
+		if image.ssmp.id > 0 {
+			gfx.destroy_sampler(image.ssmp)
+		}
+	}
+}
+
 // create_image creates an `Image` from `file`.
 pub fn (mut ctx Context) create_image(file string) !Image {
 	if !os.exists(file) {
diff --git a/vlib/gg/image.js.v b/vlib/gg/image.js.v
index a1be70ced..d70f5cc3d 100644
--- a/vlib/gg/image.js.v
+++ b/vlib/gg/image.js.v
@@ -16,3 +16,7 @@ pub mut:
 
 pub fn (ctx &Context) draw_image_with_config(config DrawImageConfig) {
 }
+
+// destroy GPU resources associated with the image
+fn (img &Image) destroy() {
+}
diff --git a/vlib/gg/image.v b/vlib/gg/image.v
index 965a455c2..f7b70c814 100644
--- a/vlib/gg/image.v
+++ b/vlib/gg/image.v
@@ -69,6 +69,7 @@ pub fn (mut ctx Context) remove_cached_image_by_idx(image_idx int) {
 	if image_idx < 0 || image_idx > ctx.image_cache.len - 1 {
 		return
 	}
+	ctx.image_cache[image_idx].destroy()
 	ctx.image_cache[image_idx] = &missing_image
 }
 
-- 
2.39.5