aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/xf4bpp/vgaImages.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/vgaImages.c')
-rw-r--r--xorg-server/hw/xfree86/xf4bpp/vgaImages.c460
1 files changed, 0 insertions, 460 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/vgaImages.c b/xorg-server/hw/xfree86/xf4bpp/vgaImages.c
deleted file mode 100644
index bea2d0a17..000000000
--- a/xorg-server/hw/xfree86/xf4bpp/vgaImages.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * Copyright IBM Corporation 1987,1988,1989
- *
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and that
- * both that copyright notice and this permission notice appear in
- * supporting documentation, and that the name of IBM not be
- * used in advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- *
- * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
- * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
- * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- *
-*/
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf4bpp.h"
-#include "OScompiler.h"
-#include "vgaReg.h"
-#include "vgaVideo.h"
-
-#include "xf86str.h" /* for pScrn->vtSema */
-extern ScrnInfoPtr *xf86Screens;
-
-#undef TRUE
-#undef FALSE
-#define TRUE 1
-#define FALSE 0
-
-void
-xf4bppDrawColorImage( pWin, x, y, w, h, data, RowIncrement, alu, planes )
-WindowPtr pWin; /* GJA */
-int x, y ;
-register int w, h ;
-unsigned char *data ;
-register int RowIncrement ;
-const int alu ;
-const unsigned long int planes ;
-{
-IOADDRESS REGBASE;
-register unsigned long int tmp ;
-register const unsigned char *src ;
-register volatile unsigned char *dst ;
-register int Pixel_Count ;
-register unsigned int currMask ;
-register unsigned int InitialMask ;
-register volatile unsigned char *StartByte ;
-unsigned int invert_source_data = FALSE ;
-#ifdef PC98_EGC /* new EGC test */
-register unsigned char tmp1;
-#endif
-
-{ /* Start GJA */
- if ( !xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->vtSema ) {
- xf4bppOffDrawColorImage( pWin, x, y, w, h, data, RowIncrement, alu, planes );
- return;
- }
-} /* End GJA */
-
-{
- unsigned int invert_existing_data = FALSE ;
- unsigned int data_rotate_value = VGA_COPY_MODE ;
-#ifdef PC98_EGC
- unsigned short ROP_value;
-#endif
-
- REGBASE = 0x300 +
- xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->domainIOBase;
-
- switch ( alu ) {
- case GXclear: /* 0x0 Zero 0 */
- case GXinvert: /* 0xa NOT dst */
- case GXset: /* 0xf 1 */
- xf4bppFillSolid( pWin, VGA_ALLPLANES, alu, planes, x, y, w, h ) ;
- case GXnoop: /* 0x5 dst */
- return ;
- case GXnor: /* 0x8 NOT src AND NOT dst */
- invert_existing_data = TRUE ;
- case GXandInverted: /* 0x4 NOT src AND dst */
- invert_source_data = TRUE ;
- case GXand: /* 0x1 src AND dst */
- data_rotate_value = VGA_AND_MODE ;
- break ;
- case GXequiv: /* 0x9 NOT src XOR dst */
- invert_source_data = TRUE ;
- case GXxor: /* 0x6 src XOR dst */
- data_rotate_value = VGA_XOR_MODE ;
- break ;
- case GXandReverse: /* 0x2 src AND NOT dst */
- invert_existing_data = TRUE ;
- data_rotate_value = VGA_AND_MODE ;
- break ;
- case GXnand: /* 0xe NOT src OR NOT dst */
- invert_source_data = TRUE ;
- case GXorReverse: /* 0xb src OR NOT dst */
- invert_existing_data = TRUE ;
- /* GJA -- moved this here */
- data_rotate_value = VGA_OR_MODE ;
- break ;
- case GXorInverted: /* 0xd NOT src OR dst */
- invert_source_data = TRUE ;
- case GXor: /* 0x7 src OR dst */
- data_rotate_value = VGA_OR_MODE ;
- break ;
- case GXcopyInverted: /* 0xc NOT src */
- invert_source_data = TRUE ;
- case GXcopy: /* 0x3 src */
- default:
- break ;
- }
-
-#ifdef PC98_EGC
- /* Setup EGC Registers */
- switch(data_rotate_value) {
-/* EGC MODE.. Cmp Read: Flase, WriteSource=ROP, ReadSource=CPU */
- case VGA_AND_MODE:
- if (invert_existing_data)
- ROP_value = EGC_AND_INV_MODE;
- else
- ROP_value = EGC_AND_MODE;
- break;
- case VGA_OR_MODE:
- if (invert_existing_data)
- ROP_value = EGC_OR_INV_MODE;
- else
- ROP_value = EGC_OR_MODE;
- break;
- case VGA_XOR_MODE:
- if (invert_existing_data)
- ROP_value = EGC_XOR_INV_MODE;
- else
- ROP_value = EGC_XOR_MODE;
- break;
- case VGA_COPY_MODE:
- default:
- ROP_value = EGC_COPY_MODE;
- break;
- }
- outw(EGC_PLANE, ~(planes & VGA_ALLPLANES));
- outw(EGC_MODE, ROP_value);
- outw(EGC_FGC, 0x0000);
- tmp1 = 0;
-#else
- if ( invert_existing_data )
- xf4bppFillSolid( pWin, VGA_ALLPLANES, GXinvert, planes, x, y, w, h ) ;
- /* Setup VGA Registers */
- SetVideoSequencer( Mask_MapIndex, planes & VGA_ALLPLANES ) ;
- /* Set Raster Op */
- SetVideoGraphics( Data_RotateIndex, data_rotate_value ) ;
- SetVideoGraphics( Graphics_ModeIndex, VGA_WRITE_MODE_2 ) ;
-#endif
-}
-
-StartByte = SCREENADDRESS(pWin, x, y);
-InitialMask = SCRRIGHT8( LeftmostBit, BIT_OFFSET( x ) ) ;
-if ( invert_source_data )
-#ifdef PC98_EGC
-#if 0 /* New EGC version */
- egc_image_invert ( StartByte, data, InitialMask, w, h,
- RowIncrement ) ;
-#else /* new EGC c version */
- for ( ;
- h-- ;
- data += RowIncrement, StartByte += BYTES_PER_LINE(pWin) ) {
- dst = StartByte;
- for ( src = data,
- Pixel_Count = w, currMask = InitialMask ;
- Pixel_Count-- ;
- src++ ) {
- if (tmp1 != (~*src & VGA_ALLPLANES)) {
- tmp1 = ~*src & VGA_ALLPLANES;
- /* set FGC */
- outw(EGC_FGC, ~*src & VGA_ALLPLANES);
- }
- *((VgaMemoryPtr) dst) = currMask;
- if ( currMask & RightmostBit ) {
- currMask = LeftmostBit ;
- dst++;
- }
- else
- currMask = SCRRIGHT8( currMask, 1 ) ;
- }
- }
-#endif /* new EGC */
-#else /* original */
- for ( ;
- h-- ;
- data += RowIncrement, StartByte += BYTES_PER_LINE(pWin) ) {
- dst = StartByte;
- for ( src = data,
- Pixel_Count = w, currMask = InitialMask ;
- Pixel_Count-- ;
- src++ ) {
- /* Set The Bit Mask Reg */
- SetVideoGraphics( Bit_MaskIndex, currMask ) ;
- /* Read To Load vga Data Latches */
- tmp = *( (VgaMemoryPtr) dst ) ;
- (void) tmp;
- *( (VgaMemoryPtr) dst ) = ~ *src ;
- if ( currMask & RightmostBit ) {
- currMask = LeftmostBit ;
- dst++;
- }
- else
- currMask = SCRRIGHT8( currMask, 1 ) ;
- }
- }
-#endif
-else /* invert_source_data == FALSE */
-#ifdef PC98_EGC
-#if 0 /* new EGC version */
- egc_image ( StartByte, data, InitialMask, w, h,
- RowIncrement );
-#else /* new EGC c version */
- for ( ;
- h-- ;
- data += RowIncrement, StartByte += BYTES_PER_LINE(pWin) ) {
- dst = StartByte;
- for ( src = data,
- Pixel_Count = w, currMask = InitialMask ;
- Pixel_Count-- ;
- src++ ) {
- if (tmp1 != *src & VGA_ALLPLANES) {
- tmp1 = *src & VGA_ALLPLANES;
- outw(EGC_FGC, tmp1); /* set FGC */
- }
- *((VgaMemoryPtr) dst) = currMask; /* write with mask */
- if ( currMask & RightmostBit ) {
- currMask = LeftmostBit ;
- dst++;
- }
- else
- currMask = SCRRIGHT8( currMask, 1 ) ;
- }
- }
-#endif /* new EGC version */
-#else /* original */
- for ( ;
- h-- ;
- data += RowIncrement, StartByte += BYTES_PER_LINE(pWin) ) {
- dst = StartByte;
- for ( src = data,
- Pixel_Count = w, currMask = InitialMask ;
- Pixel_Count-- ;
- src++ ) {
- /* Set The Bit Mask Reg */
- SetVideoGraphics( Bit_MaskIndex, currMask ) ; /* GJA */
- /* Read To Load vga Data Latches */
- tmp = *( (VgaMemoryPtr) dst ) ;
- (void) tmp;
- *( (VgaMemoryPtr) dst ) = *src ;
- if ( currMask & RightmostBit ) {
- currMask = LeftmostBit ;
- dst++;
- }
- else
- currMask = SCRRIGHT8( currMask, 1 ) ;
- }
- }
-#endif /* original */
-
-return ;
-}
-
-#ifndef PC98_EGC
-static unsigned long int
-read8Z
-(
- IOADDRESS REGBASE,
- register volatile unsigned char *screen_ptr
-)
-{
-register unsigned long int i ;
-register unsigned long int j ;
-
-/* Read One Byte At A Time to get
- * i == [ Plane 3 ] [ Plane 2 ] [ Plane 1 ] [ Plane 0 ]
- * into a single register
- */
-SetVideoGraphicsData( 3 ) ;
-i = *( (VgaMemoryPtr) screen_ptr ) << 8 ;
-SetVideoGraphicsData( 2 ) ;
-i |= *( (VgaMemoryPtr) screen_ptr ) ;
-i <<= 8 ;
-SetVideoGraphicsData( 1 ) ;
-i |= *( (VgaMemoryPtr) screen_ptr ) ;
-i <<= 8 ;
-SetVideoGraphicsData( 0 ) ;
-i |= *( (VgaMemoryPtr) screen_ptr ) ;
-
-/* Push Bits To Get
- * j == [Pixel 7][Pixel 6][Pixel 5][Pixel 4][Pixel 3][Pixel 2][Pixel 1][Pixel 0]
- * into one register
- */
-
-j = ( i & 0x1 ) << 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-j <<= 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-j <<= 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-j <<= 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-j <<= 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-j <<= 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-j <<= 4 ;
-j |= ( i >>= 1 ) & 0x1 ;
-
-j |= ( i & 0x2 ) << 28 ;
-j |= ( ( i >>= 1 ) & 0x2 ) << 24 ;
-j |= ( ( i >>= 1 ) & 0x2 ) << 20 ;
-j |= ( ( i >>= 1 ) & 0x2 ) << 16 ;
-j |= ( ( i >>= 1 ) & 0x2 ) << 12 ;
-j |= ( ( i >>= 1 ) & 0x2 ) << 8 ;
-j |= ( ( i >>= 1 ) & 0x2 ) << 4 ;
-j |= ( i >>= 1 ) & 0x2 ;
-
-j |= ( i & 0x4 ) << 28 ;
-j |= ( ( i >>= 1 ) & 0x4 ) << 24 ;
-j |= ( ( i >>= 1 ) & 0x4 ) << 20 ;
-j |= ( ( i >>= 1 ) & 0x4 ) << 16 ;
-j |= ( ( i >>= 1 ) & 0x4 ) << 12 ;
-j |= ( ( i >>= 1 ) & 0x4 ) << 8 ;
-j |= ( ( i >>= 1 ) & 0x4 ) << 4 ;
-j |= ( i >>= 1 ) & 0x4 ;
-
-j |= ( i & 0x8 ) << 28 ;
-j |= ( ( i >>= 1 ) & 0x8 ) << 24 ;
-j |= ( ( i >>= 1 ) & 0x8 ) << 20 ;
-j |= ( ( i >>= 1 ) & 0x8 ) << 16 ;
-j |= ( ( i >>= 1 ) & 0x8 ) << 12 ;
-j |= ( ( i >>= 1 ) & 0x8 ) << 8 ;
-j |= ( ( i >>= 1 ) & 0x8 ) << 4 ;
-j |= ( i >>= 1 ) & 0x8 ;
-
-return j ;
-}
-#endif /* not PC98_EGC */
-
-void
-xf4bppReadColorImage( pWin, x, y, lx, ly, data, RowIncrement )
-WindowPtr pWin; /* GJA */
-int x, y ;
-int lx, ly ;
-register unsigned char *data ;
-int RowIncrement ;
-{
-IOADDRESS REGBASE;
-register unsigned long int tmp ;
-register volatile unsigned char *src ;
-volatile unsigned char *masterSrc ;
-int savCenterWidth ;
-int dx ;
-int skip ;
-int center_width ;
-int ignore ;
-int pad ;
-unsigned char tmpc;
-
-{ /* Start GJA */
- if ( !xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->vtSema ) {
- xf4bppOffReadColorImage( pWin, x, y, lx, ly, data, RowIncrement );
- return;
- }
-} /* End GJA */
-
-if ( ( lx <= 0 ) || ( ly <= 0 ) )
- return ;
-
- REGBASE = 0x300 +
- xf86Screens[((DrawablePtr)pWin)->pScreen->myNum]->domainIOBase;
-
-/* Setup VGA Registers */
-#ifndef PC98_EGC
-SetVideoGraphicsIndex( Graphics_ModeIndex ) ;
-tmpc = inb( GraphicsDataRegister );
-SetVideoGraphicsData( tmpc & ~0x8 ) ; /* Clear the bit */
-SetVideoGraphicsIndex( Read_Map_SelectIndex ) ;
-#else
-outw(EGC_MODE, 0x0800);
-#endif
-
-skip = BIT_OFFSET( x ) ;
-pad = RowIncrement - lx ;
-ignore = BIT_OFFSET( x + lx ) ;
-masterSrc = SCREENADDRESS( pWin, x, y ) ;
-center_width = ROW_OFFSET( x + lx ) - ROW_OFFSET( ( x + 0x7 ) & ~0x7 ) ;
-
-#define SINGLE_STEP *data++ = tmp & VGA_ALLPLANES ; tmp >>= 4
-
-
-if ( center_width < 0 ) {
- src = masterSrc;
- for ( ; ly-- ; ) {
- tmp = read8Z( REGBASE, src ) >> ( skip << 2 ) ;
- for ( dx = lx + 1 ; --dx ; ) {
- SINGLE_STEP ;
- }
- data += pad ;
- src += BYTES_PER_LINE(pWin);
- }
-} else
- for ( savCenterWidth = center_width ;
- ly-- ;
- center_width = savCenterWidth,
- masterSrc += BYTES_PER_LINE(pWin) ) {
- src = masterSrc ;
- tmp = read8Z( REGBASE, src ) ; src++;
- if ((dx = skip))
- tmp >>= ( dx << 2 ) ;
- else
- if ( lx < 8 ) { /* kludge -- GJA */
- --center_width ; /* kludge -- GJA */
- dx = 8 - lx ; /* kludge -- GJA */
- } else /* kludge -- GJA */
- --center_width ;
- BranchPoint:
- switch ( dx ) {
- LoopTop:
- case 0x0: SINGLE_STEP ;
- case 0x1: SINGLE_STEP ;
- case 0x2: SINGLE_STEP ;
- case 0x3: SINGLE_STEP ;
- case 0x4: SINGLE_STEP ;
- case 0x5: SINGLE_STEP ;
- case 0x6: SINGLE_STEP ;
- case 0x7: *data++ = tmp & VGA_ALLPLANES ;
-
- /* Fall Through To End Of Inner Loop */
- if ( center_width > 0 ) {
- tmp = read8Z( REGBASE, src ) ; src++;
- center_width-- ;
- goto LoopTop ;
- }
- else if ( ( center_width == 0 )
- && ( dx = ( - ignore ) & 07 ) ) {
- tmp = read8Z( REGBASE, src ) ; src++;
- center_width-- ;
- goto BranchPoint ; /* Do Mod 8 edge */
- }
- else /* End of this line */
- data += pad ;
- }
- }
-
-return ;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 23:21:22 +0000