sim: read the second buffer

It can only read the contents of the first buffer, so fblen should be changed to ensure that it can read the second buffer as well.

Signed-off-by: jianglianfang <[email protected]>

arch/sim/src/sim/posix/sim_x11framebuffer.c

@@ -83,11 +83,11 @@ static unsigned short g_fbpixelwidth;
 static unsigned short g_fbpixelheight;
 static int g_fbbpp;
 static int g_fblen;
-static int g_fbcount;
 static int g_shmcheckpoint = 0;
 static int b_useshm;
 
 static unsigned char *g_trans_framebuffer;
+static unsigned int g_offset;
 
 /****************************************************************************
  * Private Functions
@@ -465,7 +465,6 @@ int sim_x11initialize(unsigned short width, unsigned short height,
 
   g_fbbpp = depth;
   g_fblen = *fblen;
-  g_fbcount = fbcount;
 
   /* Create conversion framebuffer */
 
@@ -541,6 +540,7 @@ int sim_x11setoffset(unsigned int offset)
   if (g_fbbpp == 32 && CONFIG_SIM_FBBPP == 16)
     {
       g_image->data = g_framebuffer + (offset << 1);
+      g_offset = offset;
     }
   else
     {
@@ -620,9 +620,9 @@ int sim_x11update(void)
 
   if (g_fbbpp == 32 && CONFIG_SIM_FBBPP == 16)
     {
-      sim_x11depth16to32(g_framebuffer,
-                         g_fblen * g_fbcount,
-                         g_trans_framebuffer);
+      sim_x11depth16to32(g_image->data,
+                         g_fblen,
+                         g_trans_framebuffer + g_offset);
     }
 
   XSync(g_display, 0);

arch/sim/src/sim/sim_framebuffer.c

@@ -468,6 +468,7 @@ int up_fbinitialize(int display)
                           &g_planeinfo.fbmem, &g_planeinfo.fblen,
                           &g_planeinfo.bpp, &g_planeinfo.stride,
                           CONFIG_SIM_FRAMEBUFFER_COUNT);
+  g_planeinfo.fblen *= CONFIG_SIM_FRAMEBUFFER_COUNT;
 #endif
 
   return ret;

tools/nxstyle.c

@@ -451,6 +451,7 @@ static const char *g_white_content_list[] =
   "AsyncBoth",
   "CurrentTime",
   "XUnmapWindow",
+  "XFree",
 
   /* Ref:
    * nuttx/arch/sim/src/sim_hostdecoder.*