[target][dartuinoP0] Allow for varying framebuffer format and stride.

lib/gfx/gfx.c

 /*
  * Copyright (c) 2008-2010, 2015 Travis Geiselbrecht
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files
  * (the "Software"), to deal in the Software without restriction,
  * including without limitation the rights to use, copy, modify, merge,
  * publish, distribute, sublicense, and/or sell copies of the Software,
  * and to permit persons to whom the Software is furnished to do so,
  * subject to the following conditions:
@@ skipping 26 matching lines @@
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
 #include <arch/ops.h>
 #include <sys/types.h>
 #include <lib/gfx.h>
 #include <dev/display.h>
 
 #define LOCAL_TRACE 0
 
-
 // Convert a 32bit ARGB image to its respective gamma corrected grayscale value.
 static uint32_t ARGB8888_to_Luma(uint32_t in)
 {
     uint8_t out;
 
     uint32_t blue  = (in & 0xFF) * 74;
     uint32_t green = ((in >> 8) & 0xFF) * 732;
     uint32_t red   = ((in >> 16) & 0xFF) * 218;
 
     uint32_t intensity = red + blue + green;
@@ skipping 596 matching lines @@
 
     return surface;
 }
 
 /**
  * @brief  Create a new graphics surface object from a display
  */
 gfx_surface *gfx_create_surface_from_display(struct display_info *info)
 {
     gfx_surface *surface;
-    surface = gfx_create_surface(info->framebuffer, info->width, info->height, info->stride, info->format);
+    gfx_format format;
+    switch (info->format) {
+        case DISPLAY_FORMAT_RGB_565:
+            format = GFX_FORMAT_RGB_565;
+            break;
+        case DISPLAY_FORMAT_RGB_332:
+            format = GFX_FORMAT_RGB_332;
+            break;
+        case DISPLAY_FORMAT_RGB_2220:
+            format = GFX_FORMAT_RGB_2220;
+            break;
+        case DISPLAY_FORMAT_ARGB_8888:
+            format = GFX_FORMAT_ARGB_8888;
+            break;
+        case DISPLAY_FORMAT_RGB_x888:
+            format = GFX_FORMAT_RGB_x888;
+            break;
+        case DISPLAY_FORMAT_MONO_8:
+            format = GFX_FORMAT_MONO;
+            break;
+        default:
+            dprintf(INFO, "invalid graphics format)");
+            DEBUG_ASSERT(0);
+            return NULL;
+    }
+
+    surface = gfx_create_surface(info->framebuffer, info->width, info->height, info->stride, format);
 
     surface->flush = info->flush;
 
     return surface;
 }
 
 /**
  * @brief  Destroy a graphics surface and free all resources allocated to it.
  *
  * @param  surface  Surface to destroy.  This pointer is no longer valid after
@@ skipping 139 matching lines @@
 
     gfx_flush(surface);
 
     gfx_surface_destroy(surface);
 
     return 0;
 }
 
 #endif
 #endif