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Make TJ_FORCE* options work correctly

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@138 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2010-02-22 08:34:44 +00:00
parent 3bddd467c4
commit 0c6a271f97
3 changed files with 16 additions and 8 deletions
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8
jpgtest.cxx
View File

@@ -322,22 +322,22 @@ int main(int argc, char *argv[])
if(!stricmp(argv[i], "-tile")) dotile=1;
if(!stricmp(argv[i], "-forcesse3"))
{
printf("Using SSE3 code in Intel compressor\n");
printf("Using SSE3 code\n");
forcesse3=1;
}
if(!stricmp(argv[i], "-forcesse2"))
{
printf("Using SSE2 code in Intel compressor\n");
printf("Using SSE2 code\n");
forcesse2=1;
}
if(!stricmp(argv[i], "-forcesse"))
{
printf("Using SSE code in Intel compressor\n");
printf("Using SSE code\n");
forcesse=1;
}
if(!stricmp(argv[i], "-forcemmx"))
{
printf("Using MMX code in Intel compressor\n");
printf("Using MMX code\n");
forcemmx=1;
}
if(!stricmp(argv[i], "-fastupsample"))

8
simd/jsimd_i386.c
View File

@@ -48,16 +48,16 @@ init_simd (void)
/* Force different settings through environment variables */
env = getenv("JSIMD_FORCEMMX");
if ((env != NULL) && (strcmp(env, "1") == 0))
simd_support &= JSIMD_MMX;
simd_support = JSIMD_MMX;
env = getenv("JSIMD_FORCE3DNOW");
if ((env != NULL) && (strcmp(env, "1") == 0))
simd_support &= JSIMD_3DNOW;
simd_support = JSIMD_3DNOW|JSIMD_MMX;
env = getenv("JSIMD_FORCESSE");
if ((env != NULL) && (strcmp(env, "1") == 0))
simd_support &= JSIMD_SSE;
simd_support = JSIMD_SSE|JSIMD_MMX;
env = getenv("JSIMD_FORCESSE2");
if ((env != NULL) && (strcmp(env, "1") == 0))
simd_support &= JSIMD_SSE2;
simd_support = JSIMD_SSE2;
}
GLOBAL(int)

8
turbojpegl.c
View File

@@ -149,6 +149,10 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
#error "TurboJPEG requires JPEG colorspace extensions"
#endif
if(flags&TJ_FORCEMMX) putenv("JSIMD_FORCEMMX=1");
else if(flags&TJ_FORCESSE) putenv("JSIMD_FORCESSE=1");
else if(flags&TJ_FORCESSE2) putenv("JSIMD_FORCESSE2=1");
if(setjmp(j->jerr.jb))
{ // this will execute if LIBJPEG has an error
if(row_pointer) free(row_pointer);
@@ -287,6 +291,10 @@ DLLEXPORT int DLLCALL tjDecompress(tjhandle h,
if(pitch==0) pitch=width*ps;
if(flags&TJ_FORCEMMX) putenv("JSIMD_FORCEMMX=1");
else if(flags&TJ_FORCESSE) putenv("JSIMD_FORCESSE=1");
else if(flags&TJ_FORCESSE2) putenv("JSIMD_FORCESSE2=1");
if(setjmp(j->jerr.jb))
{ // this will execute if LIBJPEG has an error
if(row_pointer) free(row_pointer);