Changeset 925fdd7 in mainline for uspace/srv/fb/fb.c

Timestamp:

2008-12-10T21:41:22Z (16 years ago)

Author:

Pavel Rimsky <rimskyp@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bb74e8ab

Parents:

8af9950

Message:

Fixed the bug when on SunBlade1500 we wrote to an address outside the framebuffer memory. A nasty hack to the 8-bit palette so that on sb1500 we do not have to turn black into white and white into black.

File:

• uspace/srv/fb/fb.c (modified) (3 diffs)

uspace/srv/fb/fb.c

@@ -243 +243 @@
 rgb_byte8(void *dst, int rgb)
 {
-        *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3);
+        *(uint8_t *)dst = 255 - (RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 |
+                BLUE(rgb, 3));
 }
 
@@ -250 +251 @@
 byte8_rgb(void *src)
 {
-        int color = *(uint8_t *)src;
+        int color = 255 - (*(uint8_t *)src);
         return (((color >> 5) & 0x7) << (16 + 5)) |
             (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
@@ -566 +567 @@
         }
 
-        screen.fbaddress = (unsigned char *) (((uintptr_t) addr) + offset);
+        screen.fbaddress = (unsigned char *) (((uintptr_t) addr));
         screen.xres = xres;
         screen.yres = yres;