Merge pull request #25314 from marxin/fix-24417-class-memaccess

Fix class memaccess

modules/pvr/texture_loader_pvr.cpp

@@ -33,6 +33,7 @@
 #include "RgbaBitmap.h"
 #include "core/os/file_access.h"
 #include <string.h>
+#include <new>
 
 static void _pvrtc_decompress(Image *p_img);
 
@@ -215,12 +216,10 @@ static void _compress_pvrtc4(Image *p_img) {
 			int ofs, size, w, h;
 			img->get_mipmap_offset_size_and_dimensions(i, ofs, size, w, h);
 			Javelin::RgbaBitmap bm(w, h);
-			copymem(bm.GetData(), &r[ofs], size);
-			{
+			for (unsigned j = 0; j < size / 4; j++) {
 				Javelin::ColorRgba<unsigned char> *dp = bm.GetData();
-				for (int j = 0; j < size / 4; j++) {
-					SWAP(dp[j].r, dp[j].b);
-				}
+				/* red and Green colors are swapped.  */
+				new (dp) Javelin::ColorRgba<unsigned char>(r[ofs + 4 * j + 2], r[ofs + 4 * j + 1], r[ofs + 4 * j], r[ofs + 4 * j + 3]);
 			}
 
 			new_img->get_mipmap_offset_size_and_dimensions(i, ofs, size, w, h);

servers/visual/visual_server_scene.cpp

@@ -32,6 +32,7 @@
 #include "core/os/os.h"
 #include "visual_server_global.h"
 #include "visual_server_raster.h"
+#include <new>
 /* CAMERA API */
 
 RID VisualServerScene::camera_create() {
@@ -1253,7 +1254,9 @@ void VisualServerScene::_update_instance_lightmap_captures(Instance *p_instance)
 
 	//print_line("update captures for pos: " + p_instance->transform.origin);
 
-	zeromem(p_instance->lightmap_capture_data.ptrw(), 12 * sizeof(Color));
+	for (int i = 0; i < 12; i++)
+		new (&p_instance->lightmap_capture_data.ptrw()[i]) Color;
+
 	//this could use some sort of blending..
 	for (List<Instance *>::Element *E = geom->lightmap_captures.front(); E; E = E->next()) {
 		const PoolVector<RasterizerStorage::LightmapCaptureOctree> *octree = VSG::storage->lightmap_capture_get_octree_ptr(E->get()->base);