* AcessOS 1\r
* Video BIOS Extensions (Vesa) Driver\r
*/\r
-#define DEBUG 1\r
+#define DEBUG 0\r
#define VERSION 0x100\r
\r
#include <acess.h>\r
#include <vfs.h>\r
-#include <tpl_drv_video.h>\r
+#include <api_drv_video.h>\r
#include <fs_devfs.h>\r
#include <modules.h>\r
#include <vm8086.h>\r
\r
// === CONSTANTS ===\r
#define FLAG_LFB 0x1\r
+#define VESA_DEFAULT_FRAMEBUFFER (KERNEL_BASE|0xA0000)\r
+#define BLINKING_CURSOR 1\r
+#if BLINKING_CURSOR\r
+# define VESA_CURSOR_PERIOD 1000\r
+#endif\r
\r
// === PROTOTYPES ===\r
int Vesa_Install(char **Arguments);\r
Uint64 Vesa_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);\r
Uint64 Vesa_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);\r
- int Vesa_Ioctl(tVFS_Node *Node, int ID, void *Data);\r
+ int Vesa_IOCtl(tVFS_Node *Node, int ID, void *Data);\r
int Vesa_Int_SetMode(int Mode);\r
int Vesa_Int_FindMode(tVideo_IOCtl_Mode *data);\r
int Vesa_Int_ModeInfo(tVideo_IOCtl_Mode *data);\r
+void Vesa_int_HideCursor(void);\r
+void Vesa_int_ShowCursor(void);\r
+void Vesa_FlipCursor(void *Arg);\r
\r
// === GLOBALS ===\r
MODULE_DEFINE(0, VERSION, Vesa, Vesa_Install, NULL, "PCI", "VM8086", NULL);\r
{\r
.Read = Vesa_Read,\r
.Write = Vesa_Write,\r
- .IOCtl = Vesa_Ioctl\r
+ .IOCtl = Vesa_IOCtl\r
}\r
};\r
-tSpinlock glVesa_Lock;\r
+tMutex glVesa_Lock;\r
tVM8086 *gpVesa_BiosState;\r
- int giVesaCurrentMode = -1;\r
- int giVesaCurrentFormat = VIDEO_BUFFMT_TEXT;\r
int giVesaDriverId = -1;\r
-char *gVesaFramebuffer = (void*)0xC00A0000;\r
+// --- Video Modes ---\r
+ int giVesaCurrentMode = 0;\r
tVesa_Mode *gVesa_Modes;\r
+tVesa_Mode *gpVesaCurMode;\r
int giVesaModeCount = 0;\r
- int giVesaPageCount = 0;\r
+ int gbVesaModesChecked;\r
+// --- Framebuffer ---\r
+char *gpVesa_Framebuffer = (void*)VESA_DEFAULT_FRAMEBUFFER;\r
+ int giVesaPageCount = 0; //!< Framebuffer size in pages\r
+// --- Cursor Control ---\r
+ int giVesaCursorX = -1;\r
+ int giVesaCursorY = -1;\r
+ int giVesaCursorTimer = -1; // Invalid timer\r
+ int gbVesa_CursorVisible = 0;\r
+// --- 2D Video Stream Handlers ---\r
+tDrvUtil_Video_BufInfo gVesa_BufInfo;\r
\r
-//CODE\r
+// === CODE ===\r
int Vesa_Install(char **Arguments)\r
{\r
tVesa_CallInfo *info;\r
tFarPtr infoPtr;\r
- tVesa_CallModeInfo *modeinfo;\r
- tFarPtr modeinfoPtr;\r
Uint16 *modes;\r
int i;\r
\r
// Allocate Info Block\r
gpVesa_BiosState = VM8086_Init();\r
info = VM8086_Allocate(gpVesa_BiosState, 512, &infoPtr.seg, &infoPtr.ofs);\r
- modeinfo = VM8086_Allocate(gpVesa_BiosState, 512, &modeinfoPtr.seg, &modeinfoPtr.ofs);\r
// Set Requested Version\r
memcpy(info->signature, "VBE2", 4);\r
// Set Registers\r
// Call Interrupt\r
VM8086_Int(gpVesa_BiosState, 0x10);\r
if(gpVesa_BiosState->AX != 0x004F) {\r
- Log_Warning("Vesa", "Vesa_Install - VESA/VBE Unsupported (AX = 0x%x)\n", gpVesa_BiosState->AX);\r
+ Log_Warning("VESA", "Vesa_Install - VESA/VBE Unsupported (AX = 0x%x)", gpVesa_BiosState->AX);\r
return MODULE_ERR_NOTNEEDED;\r
}\r
\r
- Log_Debug("Vesa", "info->VideoModes = %04x:%04x", info->VideoModes.seg, info->VideoModes.ofs);\r
+ //Log_Debug("VESA", "info->VideoModes = %04x:%04x", info->VideoModes.seg, info->VideoModes.ofs);\r
modes = (Uint16 *) VM8086_GetPointer(gpVesa_BiosState, info->VideoModes.seg, info->VideoModes.ofs);\r
\r
// Read Modes\r
for( giVesaModeCount = 0; modes[giVesaModeCount] != 0xFFFF; giVesaModeCount++ );\r
gVesa_Modes = (tVesa_Mode *)malloc( giVesaModeCount * sizeof(tVesa_Mode) );\r
\r
+ Log_Debug("VESA", "%i Modes", giVesaModeCount);\r
+ \r
// Insert Text Mode\r
gVesa_Modes[0].width = 80;\r
gVesa_Modes[0].height = 25;\r
for( i = 1; i < giVesaModeCount; i++ )\r
{\r
gVesa_Modes[i].code = modes[i];\r
- // Get Mode info\r
- gpVesa_BiosState->AX = 0x4F01;\r
- gpVesa_BiosState->CX = gVesa_Modes[i].code;\r
- gpVesa_BiosState->ES = modeinfoPtr.seg;\r
- gpVesa_BiosState->DI = modeinfoPtr.ofs;\r
- VM8086_Int(gpVesa_BiosState, 0x10);\r
- \r
- // Parse Info\r
- gVesa_Modes[i].flags = 0;\r
- if ( (modeinfo->attributes & 0x90) == 0x90 )\r
- {\r
- gVesa_Modes[i].flags |= FLAG_LFB;\r
- gVesa_Modes[i].framebuffer = modeinfo->physbase;\r
- gVesa_Modes[i].fbSize = modeinfo->Xres*modeinfo->Yres*modeinfo->bpp/8;\r
- } else {\r
- gVesa_Modes[i].framebuffer = 0;\r
- gVesa_Modes[i].fbSize = 0;\r
- }\r
- \r
- gVesa_Modes[i].width = modeinfo->Xres;\r
- gVesa_Modes[i].height = modeinfo->Yres;\r
- gVesa_Modes[i].bpp = modeinfo->bpp;\r
- \r
- #if DEBUG\r
- Log_Log("Vesa", "0x%x - %ix%ix%i",\r
- gVesa_Modes[i].code, gVesa_Modes[i].width, gVesa_Modes[i].height, gVesa_Modes[i].bpp);\r
- #endif\r
}\r
- \r
+\r
+// VM8086_Deallocate( info );\r
\r
// Install Device\r
giVesaDriverId = DevFS_AddDevice( &gVesa_DriverStruct );\r
return MODULE_ERR_OK;\r
}\r
\r
+void Vesa_int_FillModeList(void)\r
+{\r
+ if( !gbVesaModesChecked )\r
+ {\r
+ int i;\r
+ tVesa_CallModeInfo *modeinfo;\r
+ tFarPtr modeinfoPtr;\r
+ \r
+ modeinfo = VM8086_Allocate(gpVesa_BiosState, 512, &modeinfoPtr.seg, &modeinfoPtr.ofs);\r
+ for( i = 1; i < giVesaModeCount; i ++ )\r
+ {\r
+ // Get Mode info\r
+ gpVesa_BiosState->AX = 0x4F01;\r
+ gpVesa_BiosState->CX = gVesa_Modes[i].code;\r
+ gpVesa_BiosState->ES = modeinfoPtr.seg;\r
+ gpVesa_BiosState->DI = modeinfoPtr.ofs;\r
+ VM8086_Int(gpVesa_BiosState, 0x10);\r
+ \r
+ // Parse Info\r
+ gVesa_Modes[i].flags = 0;\r
+ if ( (modeinfo->attributes & 0x90) == 0x90 )\r
+ {\r
+ gVesa_Modes[i].flags |= FLAG_LFB;\r
+ gVesa_Modes[i].framebuffer = modeinfo->physbase;\r
+ gVesa_Modes[i].fbSize = modeinfo->Yres*modeinfo->pitch;\r
+ } else {\r
+ gVesa_Modes[i].framebuffer = 0;\r
+ gVesa_Modes[i].fbSize = 0;\r
+ }\r
+ \r
+ gVesa_Modes[i].pitch = modeinfo->pitch;\r
+ gVesa_Modes[i].width = modeinfo->Xres;\r
+ gVesa_Modes[i].height = modeinfo->Yres;\r
+ gVesa_Modes[i].bpp = modeinfo->bpp;\r
+ \r
+ #if DEBUG\r
+ Log_Log("VESA", "0x%x - %ix%ix%i",\r
+ gVesa_Modes[i].code, gVesa_Modes[i].width, gVesa_Modes[i].height, gVesa_Modes[i].bpp);\r
+ #endif\r
+ }\r
+ \r
+// VM8086_Deallocate( modeinfo );\r
+ \r
+ gbVesaModesChecked = 1;\r
+ }\r
+}\r
+\r
/* Read from the framebuffer\r
*/\r
Uint64 Vesa_Read(tVFS_Node *Node, Uint64 off, Uint64 len, void *buffer)\r
{\r
#if DEBUG >= 2\r
- LogF("Vesa_Read: () - NULL\n");\r
+ Log("Vesa_Read: () - NULL\n");\r
#endif\r
return 0;\r
}\r
*/\r
Uint64 Vesa_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)\r
{\r
- ENTER("pNode XOffset XLength pBuffer", Node, Offset, Length, Buffer);\r
-\r
- if(Buffer == NULL) {\r
- LEAVE('i', 0);\r
- return 0;\r
- }\r
-\r
- // Default Text mode\r
- if( giVesaCurrentMode == 0 )\r
- {\r
- Uint8 *fb = (Uint8 *)(KERNEL_BASE|0xB8000);\r
- Uint32 *buf = Buffer;\r
- int rem;\r
- \r
- if( giVesaCurrentFormat != VIDEO_BUFFMT_TEXT ) {\r
- Log_Warning("VESA", "Vesa_Write - Mode 0 is not framebuffer");\r
- LEAVE('i', -1);\r
- return -1;\r
- }\r
- \r
- if( Offset + Length > 25*80*8 ) {\r
- Log_Warning("VESA", "Vesa_Write - Framebuffer Overflow");\r
- LEAVE('i', 0);\r
- return 0;\r
- }\r
- \r
- fb += 2*Offset;\r
- for(rem = Length / sizeof(tVT_Char); rem --; fb += 2)\r
- {\r
- if( *buf < 0x80 )\r
- *fb = *buf & 0x7F;\r
- else\r
- *fb = 0x00;\r
- buf ++;\r
- \r
- fb[1] = 0;\r
- fb[1] |= (*buf & 0x888) == 0x888 ? 0x8 : 0;\r
- fb[1] |= (*buf & 0x700) > 0x300 ? 0x4 : 0;\r
- fb[1] |= (*buf & 0x070) > 0x030 ? 0x2 : 0;\r
- fb[1] |= (*buf & 0x007) > 0x003 ? 0x1 : 0;\r
- fb[1] |= (*buf & 0x888000) == 0x888000 ? 0x80 : 0;\r
- fb[1] |= (*buf & 0x700000) > 0x300000 ? 0x40 : 0;\r
- fb[1] |= (*buf & 0x070000) > 0x030000 ? 0x20 : 0;\r
- fb[1] |= (*buf & 0x007000) > 0x003000 ? 0x10 : 0;\r
- buf ++;\r
- }\r
- Length /= sizeof(tVT_Char);\r
- Length *= sizeof(tVT_Char);\r
- LEAVE('X', Length);\r
- return Length;\r
- }\r
-\r
if( gVesa_Modes[giVesaCurrentMode].framebuffer == 0 ) {\r
Log_Warning("VESA", "Vesa_Write - Non-LFB Modes not yet supported.");\r
- LEAVE('i', 0);\r
return 0;\r
}\r
- \r
- // Text Mode\r
- switch( giVesaCurrentFormat )\r
- {\r
- case VIDEO_BUFFMT_TEXT:\r
- {\r
- tVT_Char *chars = Buffer;\r
- int pitch = gVesa_Modes[giVesaCurrentMode].width * giVT_CharWidth;\r
- int x, y;\r
- Uint32 *dest;\r
- int rem;\r
- \r
- Offset /= sizeof(tVT_Char);\r
- dest = (void*)gVesaFramebuffer;\r
- x = (Offset % gVesa_Modes[giVesaCurrentMode].width) * giVT_CharWidth;\r
- y = (Offset / gVesa_Modes[giVesaCurrentMode].width) * giVT_CharHeight;\r
- \r
- // Sanity Check\r
- if(y > gVesa_Modes[giVesaCurrentMode].height) {\r
- LEAVE('i', 0);\r
- return 0;\r
- }\r
- \r
- dest += y * pitch;\r
- dest += x * giVT_CharWidth;\r
- for( rem = Length / sizeof(tVT_Char); rem--; )\r
- {\r
- VT_Font_Render(\r
- chars->Ch,\r
- dest, pitch,\r
- VT_Colour12to24(chars->BGCol),\r
- VT_Colour12to24(chars->FGCol)\r
- );\r
- \r
- dest += giVT_CharWidth;\r
- \r
- chars ++;\r
- x += giVT_CharWidth;\r
- if( x >= pitch ) {\r
- x = 0;\r
- y += giVT_CharHeight;\r
- dest += pitch*(giVT_CharHeight-1);\r
- }\r
- }\r
- Length /= sizeof(tVT_Char);\r
- Length *= sizeof(tVT_Char);\r
- }\r
- break;\r
- \r
- case VIDEO_BUFFMT_FRAMEBUFFER:\r
- {\r
- Uint8 *destBuf = (Uint8*) ((Uint)gVesaFramebuffer + (Uint)Offset);\r
- \r
- if(gVesa_Modes[giVesaCurrentMode].fbSize < Offset+Length)\r
- {\r
- Log_Warning("VESA", "Vesa_Write - Framebuffer Overflow");\r
- LEAVE('i', 0);\r
- return 0;\r
- }\r
- \r
- LOG("buffer = %p", Buffer);\r
- LOG("Updating Framebuffer (%p to %p)", destBuf, destBuf + (Uint)Length);\r
- \r
- \r
- // Copy to Frambuffer\r
- memcpy(destBuf, Buffer, Length);\r
- \r
- LOG("BGA Framebuffer updated");\r
- }\r
- break;\r
- default:\r
- LEAVE('i', -1);\r
- return -1;\r
- }\r
- \r
- LEAVE('X', Length);\r
- return Length;\r
+\r
+ return DrvUtil_Video_WriteLFB(&gVesa_BufInfo, Offset, Length, Buffer);\r
}\r
\r
+const char *csaVESA_IOCtls[] = {DRV_IOCTLNAMES, DRV_VIDEO_IOCTLNAMES, NULL};\r
/**\r
- * \fn int Vesa_Ioctl(vfs_node *node, int id, void *data)\r
* \brief Handle messages to the device\r
*/\r
-int Vesa_Ioctl(tVFS_Node *Node, int ID, void *Data)\r
+int Vesa_IOCtl(tVFS_Node *Node, int ID, void *Data)\r
{\r
int ret;\r
+ //Log_Debug("VESA", "Vesa_Ioctl: (Node=%p, ID=%i, Data=%p)", Node, ID, Data);\r
switch(ID)\r
{\r
- case DRV_IOCTL_TYPE: return DRV_TYPE_VIDEO;\r
- case DRV_IOCTL_IDENT: memcpy("VESA", Data, 4); return 1;\r
- case DRV_IOCTL_VERSION: return VERSION;\r
- \r
+ BASE_IOCTLS(DRV_TYPE_VIDEO, "VESA", VERSION, csaVESA_IOCtls);\r
+\r
case VIDEO_IOCTL_GETSETMODE:\r
if( !Data ) return giVesaCurrentMode;\r
return Vesa_Int_SetMode( *(int*)Data );\r
return Vesa_Int_ModeInfo((tVideo_IOCtl_Mode*)Data);\r
\r
case VIDEO_IOCTL_SETBUFFORMAT:\r
- ret = giVesaCurrentFormat;\r
- if(Data) giVesaCurrentFormat = *(int*)Data;\r
+ Vesa_int_HideCursor();\r
+ ret = gVesa_BufInfo.BufferFormat;\r
+ if(Data) gVesa_BufInfo.BufferFormat = *(int*)Data;\r
+ if(gVesa_BufInfo.BufferFormat == VIDEO_BUFFMT_TEXT)\r
+ DrvUtil_Video_SetCursor( &gVesa_BufInfo, &gDrvUtil_TextModeCursor );\r
+ Vesa_int_ShowCursor();\r
return ret;\r
\r
- case VIDEO_IOCTL_REQLFB: // Request Linear Framebuffer\r
+ case VIDEO_IOCTL_SETCURSOR: // Set cursor position\r
+ Vesa_int_HideCursor();\r
+ giVesaCursorX = ((tVideo_IOCtl_Pos*)Data)->x;\r
+ giVesaCursorY = ((tVideo_IOCtl_Pos*)Data)->y;\r
+ Vesa_int_ShowCursor();\r
+ return 0;\r
+ \r
+ case VIDEO_IOCTL_SETCURSORBITMAP:\r
+ DrvUtil_Video_SetCursor( &gVesa_BufInfo, Data );\r
return 0;\r
}\r
return 0;\r
}\r
\r
+/**\r
+ * \brief Updates the video mode\r
+ */\r
int Vesa_Int_SetMode(int mode)\r
{ \r
- #if DEBUG\r
- LogF("Vesa_Int_SetMode: (mode=%i)\n", mode);\r
- #endif\r
- \r
// Sanity Check values\r
if(mode < 0 || mode > giVesaModeCount) return -1;\r
- \r
+\r
// Check for fast return\r
if(mode == giVesaCurrentMode) return 1;\r
\r
- LOCK( &glVesa_Lock );\r
+ Vesa_int_FillModeList();\r
+\r
+ Time_RemoveTimer(giVesaCursorTimer);\r
+ giVesaCursorTimer = -1;\r
+ \r
+ Mutex_Acquire( &glVesa_Lock );\r
\r
gpVesa_BiosState->AX = 0x4F02;\r
gpVesa_BiosState->BX = gVesa_Modes[mode].code;\r
if(gVesa_Modes[mode].flags & FLAG_LFB) {\r
- Log_Log("VESA", "Using LFB");\r
gpVesa_BiosState->BX |= 0x4000; // Bit 14 - Use LFB\r
}\r
\r
VM8086_Int(gpVesa_BiosState, 0x10);\r
\r
// Map Framebuffer\r
- MM_UnmapHWPages((tVAddr)gVesaFramebuffer, giVesaPageCount);\r
+ if( (tVAddr)gpVesa_Framebuffer != VESA_DEFAULT_FRAMEBUFFER )\r
+ MM_UnmapHWPages((tVAddr)gpVesa_Framebuffer, giVesaPageCount);\r
giVesaPageCount = (gVesa_Modes[mode].fbSize + 0xFFF) >> 12;\r
- gVesaFramebuffer = (void*)MM_MapHWPages(gVesa_Modes[mode].framebuffer, giVesaPageCount);\r
+ gpVesa_Framebuffer = (void*)MM_MapHWPages(gVesa_Modes[mode].framebuffer, giVesaPageCount);\r
\r
- LogF("Vesa", "Framebuffer (Phys) = 0x%x", gVesa_Modes[mode].framebuffer);\r
- LogF("Vesa", "Framebuffer (Virt) = 0x%x", gVesaFramebuffer);\r
+ Log_Log("VESA", "Setting mode to %i (%ix%i %ibpp) %p[0x%x] maps %P",\r
+ mode,\r
+ gVesa_Modes[mode].width, gVesa_Modes[mode].height,\r
+ gVesa_Modes[mode].bpp,\r
+ gpVesa_Framebuffer, giVesaPageCount << 12, gVesa_Modes[mode].framebuffer\r
+ );\r
\r
// Record Mode Set\r
giVesaCurrentMode = mode;\r
+ gpVesaCurMode = &gVesa_Modes[giVesaCurrentMode];\r
\r
- RELEASE( &glVesa_Lock );\r
- \r
+ Mutex_Release( &glVesa_Lock );\r
+\r
+ gVesa_BufInfo.Framebuffer = gpVesa_Framebuffer;\r
+ gVesa_BufInfo.Pitch = gVesa_Modes[mode].pitch;\r
+ gVesa_BufInfo.Width = gVesa_Modes[mode].width;\r
+ gVesa_BufInfo.Height = gVesa_Modes[mode].height;\r
+ gVesa_BufInfo.Depth = gVesa_Modes[mode].bpp; \r
+\r
return 1;\r
}\r
\r
int factor, tmp;\r
\r
ENTER("idata->width idata->height idata->bpp", data->width, data->height, data->bpp);\r
+\r
+ Vesa_int_FillModeList();\r
\r
for(i=0;i<giVesaModeCount;i++)\r
{\r
LOG("Mode %i (%ix%ix%i)", i, gVesa_Modes[i].width, gVesa_Modes[i].height, gVesa_Modes[i].bpp);\r
\r
- if(gVesa_Modes[i].width == data->width\r
- && gVesa_Modes[i].height == data->height\r
- && gVesa_Modes[i].bpp == data->bpp)\r
+ if(gVesa_Modes[i].width == data->width && gVesa_Modes[i].height == data->height)\r
{\r
- LOG("Perfect!");\r
- best = i;\r
- break;\r
+ //if( (data->bpp == 32 || data->bpp == 24)\r
+ // && (gVesa_Modes[i].bpp == 32 || gVesa_Modes[i].bpp == 24) )\r
+ if( data->bpp == gVesa_Modes[i].bpp )\r
+ {\r
+ LOG("Perfect!");\r
+ best = i;\r
+ break;\r
+ }\r
}\r
\r
- tmp = gVesa_Modes[i].width * gVesa_Modes[i].height * gVesa_Modes[i].bpp;\r
- tmp -= data->width * data->height * data->bpp;\r
+ tmp = gVesa_Modes[i].width * gVesa_Modes[i].height;\r
+ tmp -= data->width * data->height;\r
tmp = tmp < 0 ? -tmp : tmp;\r
- factor = tmp * 100 / (data->width * data->height * data->bpp);\r
+ factor = tmp * 1000 / (data->width * data->height);\r
+ \r
+ if( data->bpp == 8 && gVesa_Modes[i].bpp != 8 ) continue;\r
+ if( data->bpp == 16 && gVesa_Modes[i].bpp != 16 ) continue;\r
+ \r
+ if( (data->bpp == 32 || data->bpp == 24)\r
+ && (gVesa_Modes[i].bpp == 32 || gVesa_Modes[i].bpp == 24) )\r
+ {\r
+ if( data->bpp == gVesa_Modes[i].bpp )\r
+ factor /= 2;\r
+ }\r
+ else {\r
+ if( data->bpp != gVesa_Modes[i].bpp )\r
+ continue ;\r
+ }\r
\r
LOG("factor = %i", factor);\r
\r
int Vesa_Int_ModeInfo(tVideo_IOCtl_Mode *data)\r
{\r
if(data->id < 0 || data->id > giVesaModeCount) return -1;\r
+\r
+ Vesa_int_FillModeList();\r
+\r
data->width = gVesa_Modes[data->id].width;\r
data->height = gVesa_Modes[data->id].height;\r
data->bpp = gVesa_Modes[data->id].bpp;\r
return 1;\r
}\r
+\r
+void Vesa_int_HideCursor(void)\r
+{\r
+ DrvUtil_Video_RemoveCursor( &gVesa_BufInfo );\r
+ #if BLINKING_CURSOR\r
+ if(giVesaCursorTimer != -1) {\r
+ Time_RemoveTimer(giVesaCursorTimer);\r
+ giVesaCursorTimer = -1;\r
+ }\r
+ #endif\r
+}\r
+\r
+void Vesa_int_ShowCursor(void)\r
+{\r
+ gbVesa_CursorVisible = (giVesaCursorX >= 0);\r
+ if(gVesa_BufInfo.BufferFormat == VIDEO_BUFFMT_TEXT)\r
+ {\r
+ DrvUtil_Video_DrawCursor(\r
+ &gVesa_BufInfo,\r
+ giVesaCursorX*giVT_CharWidth,\r
+ giVesaCursorY*giVT_CharHeight\r
+ );\r
+ #if BLINKING_CURSOR\r
+ giVesaCursorTimer = Time_CreateTimer(VESA_CURSOR_PERIOD, Vesa_FlipCursor, NULL);\r
+ #endif\r
+ }\r
+ else\r
+ DrvUtil_Video_DrawCursor(\r
+ &gVesa_BufInfo,\r
+ giVesaCursorX,\r
+ giVesaCursorY\r
+ );\r
+}\r
+\r
+/**\r
+ * \brief Swaps the text cursor on/off\r
+ */\r
+void Vesa_FlipCursor(void *Arg)\r
+{\r
+ if( gVesa_BufInfo.BufferFormat != VIDEO_BUFFMT_TEXT )\r
+ return ;\r
+\r
+ if( gbVesa_CursorVisible )\r
+ DrvUtil_Video_RemoveCursor(&gVesa_BufInfo);\r
+ else\r
+ DrvUtil_Video_DrawCursor(&gVesa_BufInfo,\r
+ giVesaCursorX*giVT_CharWidth,\r
+ giVesaCursorY*giVT_CharHeight\r
+ );\r
+ gbVesa_CursorVisible = !gbVesa_CursorVisible;\r
+ \r
+ #if BLINKING_CURSOR\r
+ giVesaCursorTimer = Time_CreateTimer(VESA_CURSOR_PERIOD, Vesa_FlipCursor, Arg);\r
+ #endif\r
+}\r
+\r
git.ucc.asn.au / tpg / acess2.git / blobdiff
UCC git Repository :: git.ucc.asn.au