Merge pull request #56148 from BastiaanOlij/fix_deleting_unowned_texture

drivers/gles2/rasterizer_storage_gles2.cpp

@@ -5264,6 +5264,7 @@ void RasterizerStorageGLES2::_render_target_clear(RenderTarget *rt) {
 
 		// clean up our texture
 		Texture *t = texture_owner.get(rt->external.texture);
+		t->tex_id = 0;
 		t->alloc_height = 0;
 		t->alloc_width = 0;
 		t->width = 0;
@@ -5428,6 +5429,7 @@ void RasterizerStorageGLES2::render_target_set_external_texture(RID p_render_tar
 
 			// clean up our texture
 			Texture *t = texture_owner.get(rt->external.texture);
+			t->tex_id = 0;
 			t->alloc_height = 0;
 			t->alloc_width = 0;
 			t->width = 0;

drivers/gles3/rasterizer_storage_gles3.cpp

@@ -6850,6 +6850,7 @@ void RasterizerStorageGLES3::_render_target_clear(RenderTarget *rt) {
 
 		// clean up our texture
 		Texture *t = texture_owner.get(rt->external.texture);
+		t->tex_id = 0;
 		t->alloc_height = 0;
 		t->alloc_width = 0;
 		t->width = 0;
@@ -7359,6 +7360,7 @@ void RasterizerStorageGLES3::render_target_set_external_texture(RID p_render_tar
 
 			// clean up our texture
 			Texture *t = texture_owner.get(rt->external.texture);
+			t->tex_id = 0;
 			t->alloc_height = 0;
 			t->alloc_width = 0;
 			t->width = 0;