[xine-cvs] CVS: xine-lib/src/xine-engine cpu_accel.c,1.4,1.5

[J?rgen K. <jk...@us...>]

Update of /cvsroot/xine/xine-lib/src/xine-engine
In directory usw-pr-cvs1:/tmp/cvs-serv16044

Modified Files:
	cpu_accel.c 
Log Message:
Detect x86 SSE extension (for libavcodec/ffmpeg)


Index: cpu_accel.c
===================================================================
RCS file: /cvsroot/xine/xine-lib/src/xine-engine/cpu_accel.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- cpu_accel.c	2001/08/07 12:41:46	1.4
+++ cpu_accel.c	2001/09/03 19:00:28	1.5
@@ -70,19 +70,25 @@
     cpuid (0x00000001, eax, ebx, ecx, edx);
     if (! (edx & 0x00800000))	/* no MMX */
 	return 0;
-
     caps = MM_ACCEL_X86_MMX;
+
     if (edx & 0x02000000)	/* SSE - identical to AMD MMX extensions */
-	caps = MM_ACCEL_X86_MMX | MM_ACCEL_X86_MMXEXT;
+	caps |= MM_ACCEL_X86_SSE | MM_ACCEL_X86_MMXEXT;
 
+    if (edx & 0x04000000)	/* SSE2 */
+	caps |= MM_ACCEL_X86_SSE2;
+
     cpuid (0x80000000, eax, ebx, ecx, edx);
     if (eax < 0x80000001)	/* no extended capabilities */
 	return caps;
 
     cpuid (0x80000001, eax, ebx, ecx, edx);
 
-    if (edx & 0x80000000)
+    if (edx & 0x80000000)	/* 3DNOW */
 	caps |= MM_ACCEL_X86_3DNOW;
+
+    if (edx & 0x40000000)	/* 3DNOWEXT */
+	/*caps |= MM_ACCEL_X86_???*/ ;
 
     if (AMD && (edx & 0x00400000))	/* AMD MMX extensions */
 	caps |= MM_ACCEL_X86_MMXEXT;