From 75433d155c152b809e9f25b1099fc06d6106308b Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Sat, 29 Sep 2018 19:57:52 +0200
Subject: improving window compositor

---
 userspace/fsh.c       |  6 +++++-
 userspace/pain2.c     | 44 ++++++++++++++++++++++++++++++++++++++++++++
 userspace/put_pixel.h | 33 ++++++++++++++++++++++-----------
 3 files changed, 71 insertions(+), 12 deletions(-)
 create mode 100644 userspace/pain2.c

(limited to 'userspace')

diff --git a/userspace/fsh.c b/userspace/fsh.c
index 81c2bce..d456d1b 100644
--- a/userspace/fsh.c
+++ b/userspace/fsh.c
@@ -229,6 +229,7 @@ bool process(char *buf)
     {
 	int pid=_fork();
 
+
 	if(pid==0)
 	{
 	    if(token[0][0]=='/')sprintf(buf,"%s",token[0]);
@@ -238,7 +239,10 @@ bool process(char *buf)
 	    exit(1);
 	}
 	
-	if(token[1]==NULL||strcmp(token[1],"&"))_wait(pid);
+        int last=0;
+        for(last=0;token[last+1]!=NULL;last++);
+        printf("last: %s\n",token[last]);
+	if(strcmp(token[last],"&"))_wait(pid);
 
     }
     return true;
diff --git a/userspace/pain2.c b/userspace/pain2.c
new file mode 100644
index 0000000..840b6b6
--- /dev/null
+++ b/userspace/pain2.c
@@ -0,0 +1,44 @@
+#include "put_pixel.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+ 
+#define dimx  640
+#define dimy  480
+
+/*
+void doscolor(int color,int color2)
+{
+    int i=0;
+
+  for (int y = 0; y < dimy; y++)
+  for (int x = 0; x < dimx; x++)
+  {
+    {
+        if(x%2&&y%2)put_pixel(x,y,color);
+        else put_pixel(x,y,color2);
+    }
+  }
+}
+*/
+
+int main(int argc,char **argv)
+{
+    for(int i=0;i<atoi(argv[1]);i++)
+    {
+            for(int i=0;i<100;i++)
+            {
+                put_rect(0,0,640,480,0xff0000);
+                put_rect(100+i,100+i,100,100,0x0000ff);
+            }
+
+            for(int i=100;i>0;i--)
+            {
+                put_rect(0,0,640,480,0xff0000);
+                put_rect(100+i,100+i,100,100,0x0000ff);
+            }
+    }
+
+  return EXIT_SUCCESS;
+}
+
diff --git a/userspace/put_pixel.h b/userspace/put_pixel.h
index f879772..445e890 100644
--- a/userspace/put_pixel.h
+++ b/userspace/put_pixel.h
@@ -1,33 +1,44 @@
 #include <stdint.h>
 
-#define VESA_FRAMEBUFFER 0xf6000000
+#define VESA_FRAMEBUFFER 0xfa000000
 #define VESA_PITCH 2560
 #define VESA_BPP 4
 
 //https://forum.osdev.org/viewtopic.php?t=10018&p=64358
 // TODO: what will happen in 24bit mode?
 
+/*
 volatile int c;
 int delay()
 {
     c++;
 }
-void put_pixel(int x,int y, uint32_t color)
-{
-    //do not write memory outside the screen buffer, check parameters against the VBE mode info
-    //if (x<0 || x>vesaXres|| y<0 || y>vesaYres) return;
-    //if (x) x = (x*(VESA_BPP>>3)); // get bytes (divide by 8)
-    //if (y) y = (y*VESA_PITCH);
-    //uint8_t *cTemp=VbeModeInfoBlock->physbase;
+*/
 
+void put_rect(int x,int y, int w, int h,uint32_t col)
+{
+    // start
     uint8_t *p=VESA_FRAMEBUFFER+y*VESA_PITCH+x*VESA_BPP;
     uint32_t *pix=p;
-    *pix=color;
 
-//    for(int i=0;i<100;i++)delay();
+    for(int yy=y; yy<y+h; yy++) // iter over lines
+    {
+        for(int xx=x; xx<x+w; xx++) // single line
+        {
+            *pix=col;
+            pix++;
+        }
+        pix+=640-w;
+        
+    }
 }
 
-
+void put_pixel(int x,int y, uint32_t color)
+{
+    uint8_t *p=VESA_FRAMEBUFFER+y*VESA_PITCH+x*VESA_BPP;
+    uint32_t *pix=p;
+    *pix=color;
+}
 
 void put_pixel_old(int x,int y, int color)
 {
-- 
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