Kernel - Implimented double buffering in video utils (and VESA)

[tpg/acess2.git] / KernelLand / Modules / Display / VESA / main.c

diff --git a/KernelLand/Modules/Display/VESA/main.c b/KernelLand/Modules/Display/VESA/main.c
index 3f2f1c9..13fe798 100644 (file)
--- a/KernelLand/Modules/Display/VESA/main.c
+++ b/KernelLand/Modules/Display/VESA/main.c
@@ -67,11 +67,19 @@ tTimer      *gpVesaCursorTimer;
  int   gbVesa_CursorVisible = 0;\r
 // --- 2D Video Stream Handlers ---\r
 tDrvUtil_Video_BufInfo gVesa_BufInfo;\r
+// --- Settings ---\r
+// int gbVesa_DisableFBCache;  // Disables the main-memory framebuffer cache\r
 \r
 // === CODE ===\r
 int Vesa_Install(char **Arguments)\r
 {\r
         int    rv;\r
+\r
+//     for( int i = 0; Arguments[i]; i ++ )\r
+//     {\r
+//             if( strcmp(Aguments[i], "nocache") == 0 )\r
+//                     gbVesa_DisableFBCache = 1;\r
+//     }\r
        \r
        gpVesa_BiosState = VM8086_Init();\r
        \r
@@ -359,6 +367,8 @@ int Vesa_Int_SetMode(int mode)
        \r
        Mutex_Release( &glVesa_Lock );\r
 \r
+       gVesa_BufInfo.BackBuffer  = realloc(gVesa_BufInfo.BackBuffer,\r
+               gVesa_Modes[mode].height * gVesa_Modes[mode].pitch);\r
        gVesa_BufInfo.Framebuffer = gpVesa_Framebuffer;\r
        gVesa_BufInfo.Pitch = gVesa_Modes[mode].pitch;\r
        gVesa_BufInfo.Width = gVesa_Modes[mode].width;\r