mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-31 11:43:31 +00:00
Unify VGA and VESA video mode setting code.
This commit is contained in:
Jukka Heinonen
Alexandre Julliard
parent
eaae7050fa
commit
1f5e6994af
1 changed files with 172 additions and 207 deletions
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@ -31,6 +31,161 @@
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WINE_DEFAULT_DEBUG_CHANNEL(int);
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/*
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* Wine internal information about video modes.
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* If depth is zero, the mode is considered to
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* be a text mode.
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*/
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typedef struct {
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WORD Mode;
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WORD Width;
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WORD Height;
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WORD Depth;
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} INT10_MODE;
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/*
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* List of supported video modes.
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*/
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static const INT10_MODE INT10_modelist[] =
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{
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{0x0000, 40, 25, 0},
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{0x0001, 40, 25, 0},
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{0x0002, 80, 25, 0},
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{0x0003, 80, 25, 0},
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{0x0007, 80, 25, 0},
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{0x000d, 320, 200, 4},
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{0x000e, 640, 200, 4},
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{0x0010, 640, 350, 4},
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{0x0012, 640, 480, 4},
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{0x0013, 320, 200, 8},
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{0x0100, 640, 400, 8},
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{0x0101, 640, 480, 8},
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{0x0102, 800, 600, 4},
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{0x0103, 800, 600, 8},
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{0x0104, 1024, 768, 4},
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{0x0105, 1024, 768, 8},
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{0x0106, 1280, 1024, 4},
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{0x0107, 1280, 1024, 8},
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{0x0108, 80, 60, 0},
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{0x0109, 132, 25, 0},
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{0x010a, 132, 43, 0},
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{0x010b, 132, 50, 0},
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{0x010c, 132, 60, 0},
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{0x010d, 320, 200, 15},
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{0x010e, 320, 200, 16},
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{0x010f, 320, 200, 24},
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{0x0110, 640, 480, 15},
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{0x0111, 640, 480, 16},
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{0x0112, 640, 480, 24},
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{0x0113, 800, 600, 15},
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{0x0114, 800, 600, 16},
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{0x0115, 800, 600, 24},
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{0x0116, 1024, 768, 15},
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{0x0117, 1024, 768, 16},
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{0x0118, 1024, 768, 24},
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{0x0119, 1280, 1024, 15},
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{0x011a, 1280, 1024, 16},
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{0x011b, 1280, 1024, 24},
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{0xffff, 0, 0, 0}
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};
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/**********************************************************************
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* INT10_FindMode
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*/
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static const INT10_MODE *INT10_FindMode( WORD mode )
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{
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const INT10_MODE *ptr = INT10_modelist;
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/*
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* Filter out flags.
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*/
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mode &= 0x17f;
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while (ptr->Mode != 0xffff)
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{
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if (ptr->Mode == mode)
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return ptr;
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ptr++;
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}
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return NULL;
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}
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/**********************************************************************
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* INT10_SetVideoMode
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*
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* Change current video mode to any VGA or VESA mode.
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* Returns TRUE if mode is supported.
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*
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* Mode bitfields:
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* 0-6: .. Mode number (combined with bit 8).
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* 7: =0 Clear screen.
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* =1 Preserve display memory on mode change (VGA modes).
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* 8: =0 VGA mode.
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* =1 VESA mode.
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* 9: .. Reserved, must be zero.
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* 10: .. Reserved, must be zero.
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* 11: =0 Use default refresh rate.
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* =1 Use user specified refresh rate.
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* 12: .. Reserved, must be zero.
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* 13: .. Reserved, must be zero.
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* 14: =0 Use windowed frame buffer model.
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* =1 Use linear frame buffer model.
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* 15: =0 Clear screen.
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* =1 Preserve display memory on mode change (VESA modes).
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*/
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static BOOL INT10_SetVideoMode( BIOSDATA *data, WORD mode )
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{
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const INT10_MODE *ptr = INT10_FindMode( mode );
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if (!ptr)
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return FALSE;
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/*
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* Linear framebuffer is not supported.
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*/
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if (mode & 0x4000)
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return FALSE;
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/*
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* Note that we do not mask out flags here on purpose.
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*
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* FIXME: Store VESA mode somewhere.
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*/
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if (mode <= 0xff)
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data->VideoMode = mode;
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else
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data->VideoMode = 0;
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if (ptr->Depth == 0)
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{
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/* Text mode. */
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TRACE( "Setting %s %dx%d text mode\n",
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mode <= 0xff ? "VGA" : "VESA",
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ptr->Width, ptr->Height );
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/*
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* FIXME: We should check here if alpha mode could be set.
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*/
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VGA_SetAlphaMode( ptr->Width, ptr->Height );
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data->VideoColumns = ptr->Width;
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}
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else
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{
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/* Graphics mode. */
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TRACE( "Setting %s %dx%dx%d graphics mode\n",
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mode <= 0xff ? "VGA" : "VESA",
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ptr->Width, ptr->Height, ptr->Depth );
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if (VGA_SetMode( ptr->Width, ptr->Height, ptr->Depth ))
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return FALSE;
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}
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return TRUE;
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}
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/**********************************************************************
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* INT10_GetCursorPos
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*/
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@ -73,15 +228,10 @@ static void INT10_InitializeVideoMode( BIOSDATA *data )
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* FIXME: Add more mappings between initial size and
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* text modes.
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*/
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if (width >= 80 && height >= 25) {
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VGA_SetAlphaMode(80, 25);
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data->VideoColumns = 80;
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data->VideoMode = 0x03;
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} else {
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VGA_SetAlphaMode(40, 25);
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data->VideoColumns = 40;
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data->VideoMode = 0x01;
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}
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if (width >= 80 && height >= 25)
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INT10_SetVideoMode( data, 0x03 );
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else
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INT10_SetVideoMode( data, 0x01 );
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}
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@ -111,147 +261,18 @@ static void INT10_HandleVESA( CONTEXT86 *context )
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break;
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case 0x02: /* SET SuperVGA VIDEO MODE */
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switch(BX_reg(context)) {
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/* OEM Video Modes */
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case 0x00: /* 40x25 */
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case 0x01:
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TRACE("Set VESA Text Mode - 0x0%x\n",
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BX_reg(context));
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VGA_SetAlphaMode(40, 25);
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data->VideoColumns = 40;
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break;
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case 0x02:
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case 0x03:
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case 0x07:
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TRACE("Set VESA Text Mode - 0x0%x\n",
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BX_reg(context));
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VGA_SetAlphaMode(80, 25);
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data->VideoColumns = 80;
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break;
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case 0x0D:
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TRACE("Setting VESA 320x200 16-color mode\n");
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VGA_SetMode(320,200,4);
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break;
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case 0x0E:
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TRACE("Setting VESA 640x200 16-color mode\n");
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VGA_SetMode(640,200,4);
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break;
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case 0x10:
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TRACE("Setting VESA 640x350 16-color mode\n");
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VGA_SetMode(640,350,4);
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break;
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case 0x12:
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TRACE("Setting VESA 640x480 16-color mode\n");
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VGA_SetMode(640,480,4);
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break;
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case 0x13:
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TRACE("Setting VESA 320x200 256-color mode\n");
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VGA_SetMode(320,200,8);
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break;
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/* VBE Modes */
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case 0x100:
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TRACE("Setting VESA 640x400 256-color mode\n");
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VGA_SetMode(640,400,8);
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break;
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case 0x101:
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TRACE("Setting VESA 640x480 256-color mode\n");
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VGA_SetMode(640,480,8);
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break;
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case 0x102:
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TRACE("Setting VESA 800x600 16-color mode\n");
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VGA_SetMode(800,600,4);
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break;
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case 0x103:
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TRACE("Setting VESA 800x600 256-color mode\n");
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VGA_SetMode(800,600,8);
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break;
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case 0x104:
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TRACE("Setting VESA 1024x768 16-color mode\n");
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VGA_SetMode(1024,768,4);
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break;
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case 0x105:
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TRACE("Setting VESA 1024x768 256-color mode\n");
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VGA_SetMode(1024,768,8);
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break;
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case 0x106:
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TRACE("Setting VESA 1280x1024 16-color mode\n");
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VGA_SetMode(1280,1024,4);
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break;
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case 0x107:
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TRACE("Setting VESA 1280x1024 256-color mode\n");
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VGA_SetMode(1280,1024,8);
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break;
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/* 108h - 10Ch are text modes and im lazy so :p */
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/* VBE v1.2+ */
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case 0x10D:
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TRACE("Setting VESA 320x200 15bpp\n");
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VGA_SetMode(320,200,15);
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break;
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case 0x10E:
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TRACE("Setting VESA 320x200 16bpp\n");
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VGA_SetMode(320,200,16);
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break;
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case 0x10F:
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TRACE("Setting VESA 320x200 24bpp\n");
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VGA_SetMode(320,200,24);
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break;
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case 0x110:
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TRACE("Setting VESA 640x480 15bpp\n");
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VGA_SetMode(640,480,15);
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break;
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case 0x111:
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TRACE("Setting VESA 640x480 16bpp\n");
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VGA_SetMode(640,480,16);
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break;
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case 0x112:
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TRACE("Setting VESA 640x480 24bpp\n");
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VGA_SetMode(640,480,24);
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break;
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case 0x113:
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TRACE("Setting VESA 800x600 15bpp\n");
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VGA_SetMode(800,600,15);
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break;
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case 0x114:
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TRACE("Setting VESA 800x600 16bpp\n");
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VGA_SetMode(800,600,16);
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break;
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case 0x115:
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TRACE("Setting VESA 800x600 24bpp\n");
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VGA_SetMode(800,600,24);
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break;
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case 0x116:
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TRACE("Setting VESA 1024x768 15bpp\n");
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VGA_SetMode(1024,768,15);
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break;
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case 0x117:
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TRACE("Setting VESA 1024x768 16bpp\n");
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VGA_SetMode(1024,768,16);
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break;
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case 0x118:
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TRACE("Setting VESA 1024x768 24bpp\n");
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VGA_SetMode(1024,768,24);
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break;
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case 0x119:
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TRACE("Setting VESA 1280x1024 15bpp\n");
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VGA_SetMode(1280,1024,15);
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break;
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case 0x11A:
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TRACE("Setting VESA 1280x1024 16bpp\n");
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VGA_SetMode(1280,1024,16);
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break;
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case 0x11B:
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TRACE("Setting VESA 1280x1024 24bpp\n");
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VGA_SetMode(1280,1024,24);
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break;
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default:
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FIXME("VESA Set Video Mode (0x%x) - Not Supported\n", BX_reg(context));
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}
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data->VideoMode = BX_reg(context);
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SET_AL( context, 0x4f );
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SET_AH( context, 0x00 );
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TRACE( "Set VESA video mode %04x\n", BX_reg(context) );
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SET_AL( context, 0x4f ); /* function supported */
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if (INT10_SetVideoMode( data, BX_reg(context) ))
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SET_AH( context, 0x00 ); /* success */
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else
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SET_AH( context, 0x01 ); /* failed */
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break;
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case 0x03: /* VESA SuperVGA BIOS - GET CURRENT VIDEO MODE */
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/*
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* FIXME: This returns wrong value if current mode is VESA mode.
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*/
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SET_AL( context, 0x4f );
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SET_AH( context, 0x00 ); /* should probly check if a vesa mode has ben set */
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SET_BX( context, data->VideoMode );
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@ -384,66 +405,10 @@ void WINAPI DOSVM_Int10Handler( CONTEXT86 *context )
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switch(AH_reg(context)) {
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case 0x00: /* SET VIDEO MODE */
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/* Text Modes: */
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/* (mode) (text rows/cols)
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0x00 - 40x25
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0x01 - 40x25
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0x02 - 80x25
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0x03 - 80x25 or 80x43 or 80x50 (assume 80x25)
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0x07 - 80x25
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*/
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/* Bit 7 of AH = 0 -> Clean the video memory
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1 -> Don't clean it
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*/
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if (!(AL_reg(context)&0x80)) {
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/* FIXME: Do something which cleans the video memory */
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}
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/* FIXME: Should we keep the bit 7 in the Bios Data memory? */
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context->Eax &= ~0x80;
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switch (AL_reg(context)) {
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case 0x00: /* 40x25 */
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case 0x01:
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TRACE("Set Video Mode - Set to Text - 0x0%x\n",
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AL_reg(context));
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VGA_SetAlphaMode(40, 25);
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data->VideoColumns = 40;
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break;
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case 0x02:
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case 0x03:
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case 0x07:
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TRACE("Set Video Mode - Set to Text - 0x0%x\n",
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AL_reg(context));
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VGA_SetAlphaMode(80, 25);
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data->VideoColumns = 80;
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break;
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case 0x0D:
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TRACE("Setting VGA 320x200 16-color mode\n");
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VGA_SetMode(320,200,4);
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break;
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case 0x0E:
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TRACE("Setting VGA 640x200 16-color mode\n");
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VGA_SetMode(640,200,4);
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break;
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case 0x10:
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TRACE("Setting VGA 640x350 16-color mode\n");
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VGA_SetMode(640,350,4);
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break;
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case 0x12:
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TRACE("Setting VGA 640x480 16-color mode\n");
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VGA_SetMode(640,480,4);
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break;
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case 0x13:
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TRACE("Setting VGA 320x200 256-color mode\n");
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VGA_SetMode(320,200,8);
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break;
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default:
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FIXME("Set Video Mode (0x%x) - Not Supported\n",
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AL_reg(context));
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}
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data->VideoMode = AL_reg(context);
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TRACE( "Set VGA video mode %02x\n", AL_reg(context) );
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if (!INT10_SetVideoMode( data, AL_reg(context) ))
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FIXME( "Unsupported VGA video mode requested: %d\n",
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AL_reg(context) );
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break;
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case 0x01: /* SET CURSOR SHAPE */
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