Add support for VESA mode information.
Reorganize controller and state information routines.
This commit is contained in:
Jukka Heinonen
Alexandre Julliard
parent
15e0657f6b
commit
d6b6dda6c1
|
|
@ -114,6 +114,255 @@ static const INT10_MODE *INT10_FindMode( WORD mode )
|
|||
}
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
* INT10_FillControllerInformation
|
||||
*
|
||||
* Fill 256-byte (VBE1.x) or 512-byte buffer (VBE2.0+) with
|
||||
* capabilities of the video controller.
|
||||
*/
|
||||
static void INT10_FillControllerInformation( BYTE *buffer )
|
||||
{
|
||||
/*
|
||||
* FIXME: Move VESA info stuff here from dosmem.
|
||||
*/
|
||||
memcpy(buffer, &BIOS_EXTRA_PTR->vesa_info, sizeof(VESAINFO));
|
||||
}
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
* INT10_FillModeInformation
|
||||
*
|
||||
* Fill 256-byte buffer with extended information about display mode.
|
||||
*
|
||||
* Returns FALSE if mode is unknown and TRUE is mode is known
|
||||
* even if it is not supported.
|
||||
*/
|
||||
static BOOL INT10_FillModeInformation( BYTE *buffer, WORD mode )
|
||||
{
|
||||
const INT10_MODE *ptr = INT10_FindMode( mode );
|
||||
if (!ptr)
|
||||
return FALSE;
|
||||
|
||||
/*
|
||||
* 00 - WORD: mode attributes
|
||||
* Bits:
|
||||
* 0 - Mode supported by present hardware configuration.
|
||||
* 1 - Optional information available. Must be =1 for VBE v1.2+.
|
||||
* 2 - BIOS output supported.
|
||||
* Int10 functions 01, 02, 06, 07, 09, 0a and 0e are supported.
|
||||
* 3 - Set if color, clear if monochrome.
|
||||
* 4 - Set if graphics mode, clear if text mode.
|
||||
* 5 - Mode is not VGA-compatible if set.
|
||||
* VGA-compatible modes support standard VGA I/O ports.
|
||||
* 6 - Bank-switched (or windowed) mode is not supported if set.
|
||||
* 7 - Linear framebuffer mode supported.
|
||||
* 8 - Double scanning supported.
|
||||
* 9 - Interlaced operation supported.
|
||||
* 10 - Triple buffering supported.
|
||||
* 11 - Stereoscopic display supported.
|
||||
* 12 - Dual display start address supported.
|
||||
* 13-15 - Reserved.
|
||||
*/
|
||||
{
|
||||
WORD attr = 0x000a; /* color mode, optional info */
|
||||
|
||||
/*
|
||||
* FIXME: Attribute handling is incomplete.
|
||||
*/
|
||||
|
||||
/* Mode supported? FIXME: correct value */
|
||||
attr |= 0x0001;
|
||||
|
||||
/* Graphical mode? */
|
||||
if (ptr->Depth)
|
||||
attr |= 0x0010;
|
||||
|
||||
/* Not VGA-compatible? */
|
||||
if (mode > 0xff)
|
||||
attr |= 0x0020;
|
||||
|
||||
*(WORD*)(buffer + 0) = attr;
|
||||
}
|
||||
|
||||
/*
|
||||
* 02 - BYTE[2]: window attributes, window A and window B
|
||||
* Bits:
|
||||
* 0 - Window exists.
|
||||
* 1 - Window is readable.
|
||||
* 2 - Window is writable.
|
||||
* 3-7 - Reserved.
|
||||
*/
|
||||
buffer[2] = 0x07; /* window A exists, readable and writable */
|
||||
buffer[3] = 0x00; /* window B not supported */
|
||||
|
||||
/* 04 - WORD: window granularity in KB */
|
||||
*(WORD*)(buffer + 4) = 64;
|
||||
|
||||
/* 06 - WORD: window size in KB */
|
||||
*(WORD*)(buffer + 6) = 64;
|
||||
|
||||
/* 08 - WORD[2]: start segments, window A and window B */
|
||||
*(WORD*)(buffer + 8) = 0xa000; /* window A segment */
|
||||
*(WORD*)(buffer + 10) = 0x0000; /* window B not supported */
|
||||
|
||||
/* 12 - DWORD: window positioning function */
|
||||
*(DWORD*)(buffer + 12) = 0; /* not supported */
|
||||
|
||||
/* 16 - WORD: bytes per scan line */
|
||||
*(WORD*)(buffer + 16) = 0; /* FIXME */
|
||||
|
||||
/* 18 - WORD: width in pixels (graphics) or characters (text) */
|
||||
*(WORD*)(buffer + 18) = ptr->Width;
|
||||
|
||||
/* 20 - WORD: height in pixels (graphics) or characters (text) */
|
||||
*(WORD*)(buffer + 20) = ptr->Height;
|
||||
|
||||
/* 22 - BYTE: width of character cell in pixels */
|
||||
buffer[22] = 0; /* FIXME */
|
||||
|
||||
/* 23 - BYTE: height of character cell in pixels */
|
||||
buffer[23] = 0; /* FIXME */
|
||||
|
||||
/* 24 - BYTE: number of memory planes */
|
||||
buffer[24] = 1; /* FIXME */
|
||||
|
||||
/* 25 - BYTE: number of bits per pixel */
|
||||
buffer[25] = ptr->Depth; /* FIXME: text modes? reserved bits? */
|
||||
|
||||
/* 26 - BYTE: number of banks */
|
||||
buffer[26] = 1; /* FIXME */
|
||||
|
||||
/*
|
||||
* 27 - BYTE: memory model type
|
||||
* Values (hex):
|
||||
* 00 - Text mode
|
||||
* 01 - CGA graphics
|
||||
* 02 - Hercules graphics
|
||||
* 03 - Planar
|
||||
* 04 - Packed pixel
|
||||
* 05 - Non-chain 4, 256 color
|
||||
* 06 - Direct color
|
||||
* 07 - YUV
|
||||
* 08-0F - Reserved for VESA.
|
||||
* 10-FF - OEM memory models.
|
||||
*/
|
||||
if (!ptr->Depth)
|
||||
buffer[27] = 0; /* text mode */
|
||||
else
|
||||
buffer[27] = 3; /* FIXME */
|
||||
|
||||
/* 28 - BYTE: size of bank in KB */
|
||||
buffer[28] = 0; /* FIXME */
|
||||
|
||||
/* 29 - BYTE: number of image pages (less one) in video RAM */
|
||||
buffer[29] = 0; /* FIXME */
|
||||
|
||||
/* 30 - BYTE: reserved (0x00 for VBE 1.0-2.0, 0x01 for VBE 3.0) */
|
||||
buffer[30] = 0x01;
|
||||
|
||||
/*
|
||||
* 31 - BYTE: red mask size
|
||||
* Size of red color component in bits.
|
||||
* Used only when memory model is direct color, otherwise set to zero.
|
||||
*/
|
||||
buffer[31] = 0; /* FIXME */
|
||||
|
||||
/*
|
||||
* 32 - BYTE: red field position
|
||||
* Bit position of the least significant bit of red color component.
|
||||
* Used only when memory model is direct color, otherwise set to zero.
|
||||
*/
|
||||
buffer[32] = 0; /* FIXME */
|
||||
|
||||
/* 33 - BYTE: green mask size */
|
||||
buffer[33] = 0; /* FIXME */
|
||||
|
||||
/* 34 - BYTE: green field position */
|
||||
buffer[34] = 0; /* FIXME */
|
||||
|
||||
/* 35 - BYTE: blue mask size */
|
||||
buffer[35] = 0; /* FIXME */
|
||||
|
||||
/* 36 - BYTE: blue field position */
|
||||
buffer[36] = 0;
|
||||
|
||||
/* 37 - BYTE: reserved mask size */
|
||||
buffer[37] = 0;
|
||||
|
||||
/* 38 - BYTE: reserved mask position */
|
||||
buffer[38] = 0;
|
||||
|
||||
/*
|
||||
* 39 - BYTE: direct color mode info
|
||||
* Bits:
|
||||
* 0 - Set if color ramp is programmable.
|
||||
* 1 - Set if bytes in reserved field may be used by application.
|
||||
*/
|
||||
buffer[39] = 0; /* not supported */
|
||||
|
||||
/* 40 - DWORD: physical address of linear video buffer */
|
||||
*(DWORD*)(buffer + 40) = 0; /* not supported */
|
||||
|
||||
/* 44 - DWORD: reserved, always zero */
|
||||
*(DWORD*)(buffer + 44) = 0;
|
||||
|
||||
/* 48 - WORD: reserved, always zero */
|
||||
*(WORD*)(buffer + 48) = 0;
|
||||
|
||||
/* 50 - WORD: bytes per scan line in linear modes */
|
||||
*(WORD*)(buffer + 50) = *(WORD*)(buffer + 16);
|
||||
|
||||
/* 52 - BYTE: number of images (less one) for banked video modes */
|
||||
buffer[52] = 0; /* FIXME */
|
||||
|
||||
/* 53 - BYTE: number of images (less one) for linear video modes */
|
||||
buffer[53] = buffer[52];
|
||||
|
||||
/* 54 - BYTE: red mask size (linear modes) */
|
||||
buffer[54] = buffer[31];
|
||||
|
||||
/* 55 - BYTE: red field position (linear modes) */
|
||||
buffer[55] = buffer[32];
|
||||
|
||||
/* 56 - BYTE: green mask size (linear modes) */
|
||||
buffer[56] = buffer[33];
|
||||
|
||||
/* 57 - BYTE: green field size (linear modes) */
|
||||
buffer[57] = buffer[34];
|
||||
|
||||
/* 58 - BYTE: blue mask size (linear modes) */
|
||||
buffer[58] = buffer[35];
|
||||
|
||||
/* 59 - BYTE: blue field position (linear modes) */
|
||||
buffer[59] = buffer[36];
|
||||
|
||||
/* 60 - BYTE: reserved mask size (linear modes) */
|
||||
buffer[60] = buffer[37];
|
||||
|
||||
/* 61 - BYTE: reserved mask position (linear modes) */
|
||||
buffer[61] = buffer[38];
|
||||
|
||||
/* 62 - DWORD: maximum pixel clock for graphics video mode, in Hz */
|
||||
*(DWORD*)(buffer + 62) = 0; /* FIXME */
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
* INT10_FillStateInformation
|
||||
*
|
||||
* Fill 64-byte buffer with VGA state and functionality information.
|
||||
*/
|
||||
static void INT10_FillStateInformation( BYTE *buffer, BIOSDATA *data )
|
||||
{
|
||||
/*
|
||||
* FIXME: Move VGA info stuff here from dosmem.
|
||||
*/
|
||||
memcpy( buffer, &BIOS_EXTRA_PTR->vid_state, sizeof(VIDEOSTATE) );
|
||||
}
|
||||
|
||||
|
||||
/**********************************************************************
|
||||
* INT10_SetVideoMode
|
||||
*
|
||||
|
|
@ -246,18 +495,30 @@ static void INT10_HandleVESA( CONTEXT86 *context )
|
|||
|
||||
switch(AL_reg(context)) {
|
||||
|
||||
case 0x00: /* GET SuperVGA INFORMATION */
|
||||
TRACE("VESA GET SuperVGA INFORMATION\n");
|
||||
memcpy(CTX_SEG_OFF_TO_LIN(context,context->SegEs,context->Edi),
|
||||
&BIOS_EXTRA_PTR->vesa_info, sizeof(VESAINFO));
|
||||
SET_AL( context, 0x4f );
|
||||
SET_AH( context, 0x00 ); /* 0x00 = successful 0x01 = failed */
|
||||
case 0x00: /* RETURN CONTROLLER INFORMATION */
|
||||
TRACE( "VESA RETURN CONTROLLER INFORMATION\n" );
|
||||
{
|
||||
BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
|
||||
context->SegEs,
|
||||
context->Edi);
|
||||
INT10_FillControllerInformation( ptr );
|
||||
SET_AL( context, 0x4f );
|
||||
SET_AH( context, 0x00 ); /* 0x00 = successful 0x01 = failed */
|
||||
}
|
||||
break;
|
||||
|
||||
case 0x01: /* GET SuperVGA MODE INFORMATION */
|
||||
FIXME("VESA GET SuperVGA Mode Information - Not supported\n");
|
||||
SET_AL( context, 0x4f );
|
||||
SET_AH( context, 0x01 ); /* 0x00 = successful 0x01 = failed */
|
||||
case 0x01: /* RETURN MODE INFORMATION */
|
||||
TRACE( "VESA RETURN MODE INFORMATION %04x\n", CX_reg(context) );
|
||||
{
|
||||
BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
|
||||
context->SegEs,
|
||||
context->Edi);
|
||||
SET_AL( context, 0x4f );
|
||||
if (INT10_FillModeInformation( ptr, CX_reg(context) ))
|
||||
SET_AH( context, 0x00 ); /* status: success */
|
||||
else
|
||||
SET_AH( context, 0x01 ); /* status: failed */
|
||||
}
|
||||
break;
|
||||
|
||||
case 0x02: /* SET SuperVGA VIDEO MODE */
|
||||
|
|
@ -802,12 +1063,13 @@ void WINAPI DOSVM_Int10Handler( CONTEXT86 *context )
|
|||
|
||||
case 0x1b: /* FUNCTIONALITY/STATE INFORMATION */
|
||||
TRACE("Get functionality/state information\n");
|
||||
if (BX_reg(context) == 0x0)
|
||||
if (BX_reg(context) == 0x0000)
|
||||
{
|
||||
SET_AL( context, 0x1b );
|
||||
/* Copy state information structure to ES:DI */
|
||||
memcpy(CTX_SEG_OFF_TO_LIN(context,context->SegEs,context->Edi),
|
||||
&BIOS_EXTRA_PTR->vid_state,sizeof(VIDEOSTATE));
|
||||
BYTE *ptr = CTX_SEG_OFF_TO_LIN(context,
|
||||
context->SegEs,
|
||||
context->Edi);
|
||||
SET_AL( context, 0x1b ); /* Function is supported */
|
||||
INT10_FillStateInformation( ptr, data );
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue