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Fix texcache

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git-svn-id: https://svn.eduke32.com/eduke32@4340 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2014-02-22 01:27:03 +00:00
parent ea602827cd
commit 2aa167af01
2 changed files with 9 additions and 9 deletions
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2
polymer/eduke32/build/include/texcache.h
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@ -3,7 +3,7 @@
#ifdef USE_OPENGL #ifdef USE_OPENGL
#define TEXCACHEMAGIC "QLZ1" #define TEXCACHEMAGIC "LZ40"
#define GLTEXCACHEADSIZ 8192 #define GLTEXCACHEADSIZ 8192
#define TEXCACHEHASHSIZE 1024 #define TEXCACHEHASHSIZE 1024

16
polymer/eduke32/build/src/dxtfilter.c
View file

@ -68,9 +68,9 @@ static void dxt_handle_io(int32_t fil, int32_t len, void *midbuf, char *packbuf)
if (glusetexcache == 2) if (glusetexcache == 2)
{ {
cleng = LZ4_compress((const char*)midbuf, packbuf, len); cleng = LZ4_compress_limitedOutput((const char*)midbuf, packbuf, len, len);
if (cleng == 0 || cleng > len-1) if (cleng <= 0 || cleng > len-1)
{ {
cleng = len; cleng = len;
writebuf = midbuf; writebuf = midbuf;
@ -90,7 +90,7 @@ static void dxt_handle_io(int32_t fil, int32_t len, void *midbuf, char *packbuf)
} }
static int32_t dedxt_handle_io(int32_t fil, int32_t j /* TODO: better name */, static int32_t dedxt_handle_io(int32_t fil, int32_t j /* TODO: better name */,
void *midbuf, char *packbuf, int32_t ispacked) void *midbuf, int32_t mbufsiz, char *packbuf, int32_t ispacked)
{ {
void *inbuf; void *inbuf;
int32_t cleng; int32_t cleng;
@ -107,7 +107,7 @@ static int32_t dedxt_handle_io(int32_t fil, int32_t j /* TODO: better name */,
{ {
if (ispacked && cleng < j) if (ispacked && cleng < j)
{ {
if (LZ4_decompress_fast((const char *)texcache.memcache.ptr + texcache.filepos, (char*)midbuf, cleng) == 0) if (LZ4_decompress_safe((const char *)texcache.memcache.ptr + texcache.filepos, (char*)midbuf, cleng, mbufsiz) <= 0)
{ {
texcache.filepos += cleng; texcache.filepos += cleng;
return -1; return -1;
@ -126,7 +126,7 @@ static int32_t dedxt_handle_io(int32_t fil, int32_t j /* TODO: better name */,
return -1; return -1;
if (ispacked && cleng < j) if (ispacked && cleng < j)
if (LZ4_decompress_fast(packbuf, (char*)midbuf, cleng) == 0) if (LZ4_decompress_safe(packbuf, (char*)midbuf, cleng, mbufsiz) <= 0)
return -1; return -1;
} }
@ -196,7 +196,7 @@ int32_t dedxtfilter(int32_t fil, const texcachepicture *pict, char *pic, void *m
if (stride == 16) //If DXT3... if (stride == 16) //If DXT3...
{ {
//alpha_4x4 //alpha_4x4
if (dedxt_handle_io(fil, (pict->size/stride)*8, midbuf, packbuf, ispacked)) if (dedxt_handle_io(fil, (pict->size/stride)*8, midbuf, pict->size, packbuf, ispacked))
return -1; return -1;
cptr = (char *)midbuf; cptr = (char *)midbuf;
@ -206,7 +206,7 @@ int32_t dedxtfilter(int32_t fil, const texcachepicture *pict, char *pic, void *m
} }
//rgb0,rgb1 //rgb0,rgb1
if (dedxt_handle_io(fil, (pict->size/stride)*4, midbuf, packbuf, ispacked)) if (dedxt_handle_io(fil, (pict->size/stride)*4, midbuf, pict->size, packbuf, ispacked))
return -1; return -1;
cptr = (char *)midbuf; cptr = (char *)midbuf;
@ -220,7 +220,7 @@ int32_t dedxtfilter(int32_t fil, const texcachepicture *pict, char *pic, void *m
} }
//index_4x4: //index_4x4:
if (dedxt_handle_io(fil, (pict->size/stride)*4, midbuf, packbuf, ispacked)) if (dedxt_handle_io(fil, (pict->size/stride)*4, midbuf, pict->size, packbuf, ispacked))
return -1; return -1;
cptr = (char *)midbuf; cptr = (char *)midbuf;