diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/wm3.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xf4bpp/wm3.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/wm3.c b/xorg-server/hw/xfree86/xf4bpp/wm3.c deleted file mode 100644 index 3a57221f2..000000000 --- a/xorg-server/hw/xfree86/xf4bpp/wm3.c +++ /dev/null @@ -1,203 +0,0 @@ -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf4bpp.h" -#include "OScompiler.h" -#include "wm3.h" -#include "vgaVideo.h" -#include "xf86.h" - -/* Ferraro is wrong. GJA */ -#define COPY (0 << 3) -#define AND (1 << 3) -#define OR (2 << 3) -#define XOR (3 << 3) - -int -wm3_set_regs(pGC) -GC *pGC; -{ -#ifndef PC98_EGC - IOADDRESS REGBASE = xf86Screens[pGC->pScreen->myNum]->domainIOBase + 0x300; - int post_invert = 0; - int ALU; - - switch(pGC->alu) { - case GXclear: /* rop0 = RROP_BLACK; rop1 = RROP_BLACK; */ - pGC->fgPixel = 0; - pGC->bgPixel = 0; - ALU = COPY; - break; - case GXand: /* rop0 = RROP_BLACK; rop1 = RROP_NOP; */ - ALU = AND; - break; - case GXandReverse: /* rop0 = RROP_BLACK; rop1 = RROP_INVERT; -- TRICKY */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = OR; - post_invert = 1; - break; - case GXcopy: /* rop0 = RROP_BLACK; rop1 = RROP_WHITE; */ - ALU = COPY; - break; - case GXandInverted: /* rop0 = RROP_NOP; rop1 = RROP_BLACK; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = AND; - break; - default: - case GXnoop: /* rop0 = RROP_NOP; rop1 = RROP_NOP; */ - return 0; - case GXxor: /* rop0 = RROP_NOP; rop1 = RROP_INVERT; */ - ALU = XOR; - break; - case GXor: /* rop0 = RROP_NOP; rop1 = RROP_WHITE; */ - ALU = OR; - break; - case GXnor: /* rop0 = RROP_INVERT; rop1 = RROP_BLACK; -- TRICKY*/ - ALU = OR; - post_invert = 1; - break; - case GXequiv: /* rop0 = RROP_INVERT; rop1 = RROP_NOP; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = XOR; - break; - case GXinvert: /* rop0 = RROP_INVERT; rop1 = RROP_INVERT; */ - pGC->fgPixel = 0x0F; - pGC->bgPixel = 0x0F; - ALU = XOR; - break; - case GXorReverse: /* rop0 = RROP_INVERT; rop1 = RROP_WHITE; -- TRICKY */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = AND; - post_invert = 1; - break; - case GXcopyInverted: /* rop0 = RROP_WHITE; rop1 = RROP_BLACK; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = COPY; - break; - case GXorInverted: /* rop0 = RROP_WHITE; rop1 = RROP_NOP; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = OR; - break; - case GXnand: /* rop0 = RROP_WHITE; rop1 = RROP_INVERT; -- TRICKY */ - ALU = AND; - post_invert = 1; - break; - case GXset: /* rop0 = RROP_WHITE; rop1 = RROP_WHITE; */ - pGC->fgPixel = 0x0F; - pGC->bgPixel = 0x0F; - ALU = COPY; - break; - } - - - SetVideoSequencer(Mask_MapIndex, (pGC->planemask & VGA_ALLPLANES)); - SetVideoGraphics(Enb_Set_ResetIndex, VGA_ALLPLANES); - SetVideoGraphics(Set_ResetIndex, pGC->fgPixel); - SetVideoGraphics(Bit_MaskIndex, 0xFF); - SetVideoGraphics(Graphics_ModeIndex, 3); /* Write Mode 3 */ - SetVideoGraphics(Data_RotateIndex, ALU); - - return post_invert; -#else - int ALU; - - switch(pGC->alu) { - case GXclear: /* rop0 = RROP_BLACK; rop1 = RROP_BLACK; */ - pGC->fgPixel = 0; - pGC->bgPixel = 0; - ALU = EGC_COPY_MODE; - break; - case GXand: /* rop0 = RROP_BLACK; rop1 = RROP_NOP; */ - ALU = EGC_AND_MODE; - break; - case GXandReverse: /* rop0 = RROP_BLACK; rop1 = RROP_INVERT; -- TRICKY */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = EGC_OR_INV_MODE; - break; - case GXcopy: /* rop0 = RROP_BLACK; rop1 = RROP_WHITE; */ - ALU = EGC_COPY_MODE; - break; - case GXandInverted: /* rop0 = RROP_NOP; rop1 = RROP_BLACK; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = EGC_AND_MODE; - break; - case GXnoop: /* rop0 = RROP_NOP; rop1 = RROP_NOP; */ - return 0; - case GXxor: /* rop0 = RROP_NOP; rop1 = RROP_INVERT; */ - ALU = EGC_XOR_MODE; - break; - case GXor: /* rop0 = RROP_NOP; rop1 = RROP_WHITE; */ - ALU = EGC_OR_MODE; - break; - case GXnor: /* rop0 = RROP_INVERT; rop1 = RROP_BLACK; -- TRICKY*/ - ALU = EGC_OR_INV_MODE; - break; - case GXequiv: /* rop0 = RROP_INVERT; rop1 = RROP_NOP; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = EGC_XOR_MODE; - break; - case GXinvert: /* rop0 = RROP_INVERT; rop1 = RROP_INVERT; */ - pGC->fgPixel = 0x0F; - pGC->bgPixel = 0x0F; - ALU = EGC_XOR_MODE; - break; - case GXorReverse: /* rop0 = RROP_INVERT; rop1 = RROP_WHITE; -- TRICKY */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = EGC_AND_INV_MODE; - break; - case GXcopyInverted: /* rop0 = RROP_WHITE; rop1 = RROP_BLACK; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = EGC_COPY_MODE; - break; - case GXorInverted: /* rop0 = RROP_WHITE; rop1 = RROP_NOP; */ - pGC->fgPixel = ~pGC->fgPixel; - pGC->bgPixel = ~pGC->bgPixel; - ALU = EGC_OR_MODE; - break; - case GXnand: /* rop0 = RROP_WHITE; rop1 = RROP_INVERT; -- TRICKY */ - ALU = EGC_OR_INV_MODE; - break; - case GXset: /* rop0 = RROP_WHITE; rop1 = RROP_WHITE; */ - pGC->fgPixel = 0x0F; - pGC->bgPixel = 0x0F; - ALU = EGC_COPY_MODE; - break; - } - - outw(EGC_PLANE, ~(pGC->planemask & VGA_ALLPLANES)); - outw(EGC_MODE, ALU); - outw(EGC_FGC, pGC->fgPixel & VGA_ALLPLANES); /* set FGC */ - - return 0; -#endif -} - -/* - Now we will have to set the alu. - Problematic is: How do we handle IsDoubleDash, which draws with both fg - and bg colour? - The answer is: We take care to store the ink colour in one register only. - Then we need set only this register to change the ink. - */ - -/* -- MORE NOTES: - We might try to 'wrap' the mfb functions in a 16-colour wrapper that does - all operations once. However, this does not work: - Some operations (esp) CopyArea may for example cause expositions. - Such expositions will cause data to be copied in from backing store, - and this copying in may damage the contents of the VGA registers. - So we must take care to set the VGA registers at each place where they could - be modified. - */ |