shithub: qk1

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reset zbuffer when resizing

--- a/m_dotproduct.c

+++ b/m_dotproduct.c

@@ -1,6 +1,6 @@

 #include "quakedef.h"

-float

+vec_t

 DotProduct(const vec3_t v1, const vec3_t v2)

 {

 	return v1[0]*v2[0] + v1[1]*v2[1] + v1[2]*v2[2];

--- a/vid_plan9.c

+++ b/vid_plan9.c

@@ -45,6 +45,7 @@

 	hunkvbuf += scachesz;

 	if((dvars.zbuffer = realloc(dvars.zbuffer, hunkvbuf)) == nil)

 		sysfatal("%r");

+	memset(dvars.zbuffer, 0, hunkvbuf);

 	surfcache = (byte*)(dvars.zbuffer + vid.width * vid.height);

 	D_InitCaches(surfcache, scachesz);

--- a/vid_sdl.c

+++ b/vid_sdl.c

@@ -67,6 +67,7 @@

 	scachesz = D_SurfaceCacheForRes(vid.width, vid.height);

 	hunkvbuf += scachesz;

 	dvars.zbuffer = realloc(dvars.zbuffer, hunkvbuf);

+	memset(dvars.zbuffer, 0, hunkvbuf);

 	surfcache = (byte *)(dvars.zbuffer + vid.width * vid.height);

 	D_InitCaches(surfcache, scachesz);

 }