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changeset 19132:6748cd25d343 draft

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(svn r23989) -Fix-ish: Zero the offsets of disabled zoomlevels.
author frosch <frosch@openttd.org>
date Sat, 25 Feb 2012 17:39:34 +0000
parents 3b80ed8e25f8
children 90e61b23da9f
files src/blitter/32bpp_optimized.cpp src/blitter/8bpp_optimized.cpp
diffstat 2 files changed, 2 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/blitter/32bpp_optimized.cpp
+++ b/src/blitter/32bpp_optimized.cpp
@@ -337,6 +337,7 @@
 	dest_sprite->y_offs = sprite->y_offs;
 
 	SpriteData *dst = (SpriteData *)dest_sprite->data;
+	memset(dst, 0, sizeof(*dst));
 
 	for (ZoomLevel z = zoom_min; z <= zoom_max; z++) {
 		dst->offset[z][0] = z == zoom_min ? 0 : lengths[z - 1][1] + dst->offset[z - 1][1];
--- a/src/blitter/8bpp_optimized.cpp
+++ b/src/blitter/8bpp_optimized.cpp
@@ -141,6 +141,7 @@
 	 * and the memory usage is quite low. */
 	static ReusableBuffer<byte> temp_buffer;
 	SpriteData *temp_dst = (SpriteData *)temp_buffer.Allocate(memory);
+	memset(temp_dst, 0, sizeof(*temp_dst));
 	byte *dst = temp_dst->data;
 
 	/* Make the sprites per zoom-level */