vbox的更動 4712 路徑 trunk/src/VBox/Devices/Graphics

時間撮記:

2007-9-11 下午02:41:27 (17 年 以前)

作者:

vboxsync

訊息:

Implemented 8-bit DAC support. The VESA BIOS could aready turn it on
but DevVGA.cpp never bothered to check the setting.

檔案:

• trunk/src/VBox/Devices/Graphics/DevVGA.cpp (修改) (1 筆差異)

trunk/src/VBox/Devices/Graphics/DevVGA.cpp

@@ -1309 +1309 @@
     int full_update, i;
     uint32_t v, col, *palette;
+    int wide_dac;
 
     full_update = 0;
     palette = s->last_palette;
     v = 0;
+    wide_dac = (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & (VBE_DISPI_ENABLED | VBE_DISPI_8BIT_DAC))
+             == (VBE_DISPI_ENABLED | VBE_DISPI_8BIT_DAC);
     for(i = 0; i < 256; i++) {
-        col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
-                              c6_to_8(s->palette[v + 1]),
-                              c6_to_8(s->palette[v + 2]));
+        if (wide_dac)
+            col = s->rgb_to_pixel(s->palette[v],
+                                  s->palette[v + 1],
+                                  s->palette[v + 2]);
+        else
+            col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
+                                  c6_to_8(s->palette[v + 1]),
+                                  c6_to_8(s->palette[v + 2]));
         if (col != palette[i]) {
             full_update = 1;