From 5dc6430ec361e06948b91207a3d0aac4a371b319 Mon Sep 17 00:00:00 2001
From: arpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sun, 22 Apr 2001 03:40:45 +0000
Subject: added mga_vid support (systemram->videoram tests)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@573 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 TOOLS/fastmemcpybench.c | 96 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 90 insertions(+), 6 deletions(-)

(limited to 'TOOLS')

diff --git a/TOOLS/fastmemcpybench.c b/TOOLS/fastmemcpybench.c
index e7115ff72e..ec51c52db8 100644
--- a/TOOLS/fastmemcpybench.c
+++ b/TOOLS/fastmemcpybench.c
@@ -8,11 +8,85 @@
 */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/time.h>
 
 #include "../libvo/fastmemcpy.h"
 
-#define ARR_SIZE 100000
-//#define ARR_SIZE 1000000
+//#define ARR_SIZE 100000
+#define ARR_SIZE (1024*768*2)
+
+
+#ifdef HAVE_MGA
+
+#include "../drivers/mga_vid.h"
+
+static int mga_next_frame=0;
+
+static mga_vid_config_t mga_vid_config;
+static unsigned char* frame=NULL;
+static int f;
+
+static int mga_init(){
+	char *frame_mem;
+
+	f = open("/dev/mga_vid",O_RDWR);
+	if(f == -1)
+	{
+		fprintf(stderr,"Couldn't open /dev/mga_vid\n"); 
+		return(-1);
+	}
+
+	mga_vid_config.num_frames=1;
+        mga_vid_config.frame_size=ARR_SIZE;
+        mga_vid_config.format=MGA_VID_FORMAT_YUY2;
+
+        mga_vid_config.colkey_on=0;
+	mga_vid_config.src_width = 640;
+	mga_vid_config.src_height= 480;
+	mga_vid_config.dest_width = 320;
+	mga_vid_config.dest_height= 200;
+	mga_vid_config.x_org= 0;
+	mga_vid_config.y_org= 0;
+	
+	mga_vid_config.version=MGA_VID_VERSION;
+	if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config))
+	{
+		perror("Error in mga_vid_config ioctl()");
+                printf("Your mga_vid driver version is incompatible with this MPlayer version!\n");
+                exit(1);
+	}
+	ioctl(f,MGA_VID_ON,0);
+
+	frame = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0);
+        if(!frame){
+          printf("Can't mmap mga frame\n");
+          exit(1);
+        }
+
+	//clear the buffer
+	//memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
+
+  return 0;
+
+}
+
+#endif
+
+// Returns current time in microseconds
+unsigned int GetTimer(){
+  struct timeval tv;
+  struct timezone tz;
+//  float s;
+  gettimeofday(&tv,&tz);
+//  s=tv.tv_usec;s*=0.000001;s+=tv.tv_sec;
+  return (tv.tv_sec*1000000+tv.tv_usec);
+}  
 
 static inline unsigned long long int read_tsc( void )
 {
@@ -27,11 +101,21 @@ int main( void )
 {
   unsigned long long int v1,v2;
   unsigned char * marr1,*marr2;
-  marr1 = &arr1[1];
-  marr2 = &arr2[3];
+  int i;
+  unsigned int t;
+#ifdef HAVE_MGA
+  mga_init();
+  marr1 = &frame[3];
+#else
+  marr1 = &arr1[3];
+#endif
+  marr2 = &arr2[9];
+  t=GetTimer();
   v1 = read_tsc();
-  memcpy(marr1,marr2,ARR_SIZE-4);
+  for(i=0;i<100;i++) memcpy(marr1,marr2,ARR_SIZE-16);
   v2 = read_tsc();
-  printf("v1 = %llu v2 = %llu v2-v1=%llu\n",v1,v2,v2-v1);
+  t=GetTimer()-t;
+  // ARR_SIZE*100/(1024*1024)/(t/1000000) = ARR_SIZE*95.36743/t
+  printf(NAME": v2-v1=%llu = %dus  (%5.3ffps)  %5.1fMB/s\n",v2-v1,t,100000000.0f/(float)t,(float)ARR_SIZE*95.36743f/(float)t);
   return 0;
 }
-- 
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