1510 lines
35 KiB
C
1510 lines
35 KiB
C
/*
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Copyright (c) 2000 by Juliusz Chroboczek
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/* $XFree86: xc/programs/Xserver/hw/kdrive/vesa/vesa.c,v 1.11 2001/05/29 04:54:12 keithp Exp $ */
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#include "vesa.h"
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#ifdef RANDR
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#include <randrstr.h>
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#endif
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int vesa_video_mode = 0;
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Bool vesa_force_mode = FALSE;
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Bool vesa_swap_rgb = FALSE;
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Bool vesa_shadow = FALSE;
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Bool vesa_linear_fb = TRUE;
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Bool vesa_restore = FALSE;
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Bool vesa_verbose = FALSE;
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#define VesaPriv(scr) ((VesaScreenPrivPtr) (scr)->driver)
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#define ScreenRotated(scr) (VesaPriv(scr)->rotate == 90 || VesaPriv(scr)->rotate == 270)
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#define vesaWidth(scr,vmib) (ScreenRotated(scr) ? vmib->YResolution : vmib->XResolution)
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#define vesaHeight(scr,vmib) (ScreenRotated(scr) ? vmib->XResolution : vmib->YResolution)
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static Bool
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vesaModeSupportable (VesaModePtr mode, Bool complain)
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{
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if((mode->ModeAttributes & 0x10) == 0) {
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if(complain)
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ErrorF("Text mode specified.\n");
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return FALSE;
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}
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if(mode->MemoryModel != 0x06 && mode->MemoryModel != 0x04 && mode->MemoryModel != 0x03) {
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if(complain)
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ErrorF("Unsupported memory model 0x%X\n", mode->MemoryModel);
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return FALSE;
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}
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if((mode->ModeAttributes & 0x80) == 0) {
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if ((mode->ModeAttributes & 0x40) != 0) {
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if(complain)
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ErrorF("Neither linear nor windowed framebuffer available in this mode\n");
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return FALSE;
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}
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}
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if(!(mode->ModeAttributes & 1)) {
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if(complain)
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ErrorF("Mode not supported on this hardware\n");
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return FALSE;
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}
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return TRUE;
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}
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static Bool
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vesaModeSupported (VesaCardPrivPtr priv, VesaModePtr mode, Bool complain)
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{
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if (!priv->vbeInfo && mode->vbe) {
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if (complain)
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ErrorF("VBE bios mode not usable.\n");
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return FALSE;
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}
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return vesaModeSupportable (mode, complain);
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}
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void
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vesaReportMode (VesaModePtr mode)
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{
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int supported = (mode->ModeAttributes&MODE_SUPPORTED)?1:0;
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int colour = (mode->ModeAttributes&MODE_COLOUR)?1:0;
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int graphics = (mode->ModeAttributes&MODE_GRAPHICS)?1:0;
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int vga_compatible = !((mode->ModeAttributes&MODE_VGA)?1:0);
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int linear_fb = (mode->ModeAttributes&MODE_LINEAR)?1:0;
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ErrorF("0x%04X: %dx%dx%d%s",
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(unsigned)mode->mode,
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(int)mode->XResolution, (int)mode->YResolution,
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vesaDepth (mode),
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colour?"":" (monochrome)");
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switch(mode->MemoryModel) {
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case MEMORY_TEXT:
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ErrorF(" text mode");
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break;
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case MEMORY_CGA:
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ErrorF(" CGA graphics");
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break;
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case MEMORY_HERCULES:
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ErrorF(" Hercules graphics");
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break;
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case MEMORY_PLANAR:
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ErrorF(" Planar (%d planes)", mode->NumberOfPlanes);
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break;
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case MEMORY_PSEUDO:
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ErrorF(" PseudoColor");
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break;
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case MEMORY_NONCHAIN:
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ErrorF(" Non-chain 4, 256 colour");
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break;
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case MEMORY_DIRECT:
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if(mode->DirectColorModeInfo & MODE_DIRECT)
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ErrorF(" DirectColor");
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else
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ErrorF(" TrueColor");
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ErrorF(" [%d:%d:%d:%d]",
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mode->RedMaskSize, mode->GreenMaskSize, mode->BlueMaskSize,
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mode->RsvdMaskSize);
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if(mode->DirectColorModeInfo & 2)
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ErrorF(" (reserved bits are reserved)");
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break;
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case MEMORY_YUV:
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ErrorF("YUV");
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break;
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default:
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ErrorF("unknown MemoryModel 0x%X ", mode->MemoryModel);
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}
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if(!supported)
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ErrorF(" (unsupported)");
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else if(!linear_fb)
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ErrorF(" (no linear framebuffer)");
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ErrorF("\n");
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}
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VesaModePtr
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vesaGetModes (Vm86InfoPtr vi, int *ret_nmode)
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{
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VesaModePtr modes;
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int nmode, nmodeVbe, nmodeVga;
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int code;
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code = VgaGetNmode (vi);
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if (code <= 0)
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nmodeVga = 0;
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else
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nmodeVga = code;
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code = VbeGetNmode (vi);
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if (code <= 0)
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nmodeVbe = 0;
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else
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nmodeVbe = code;
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nmode = nmodeVga + nmodeVbe;
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if (nmode <= 0)
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return 0;
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modes = xalloc (nmode * sizeof (VesaModeRec));
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memset (modes, '\0', nmode * sizeof (VesaModeRec));
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if (nmodeVga)
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{
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code = VgaGetModes (vi, modes, nmodeVga);
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if (code <= 0)
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nmodeVga = 0;
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else
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nmodeVga = code;
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}
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if (nmodeVbe)
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{
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code = VbeGetModes (vi, modes + nmodeVga, nmodeVbe);
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if (code <= 0)
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nmodeVbe = 0;
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else
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nmodeVbe = code;
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}
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nmode = nmodeVga + nmodeVbe;
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if (nmode == 0)
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{
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xfree (modes);
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modes = 0;
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return 0;
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}
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*ret_nmode = nmode;
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return modes;
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}
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Bool
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vesaInitialize (KdCardInfo *card, VesaCardPrivPtr priv)
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{
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int code;
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priv->vi = Vm86Setup();
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if(!priv->vi)
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goto fail;
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priv->modes = vesaGetModes (priv->vi, &priv->nmode);
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if (!priv->modes)
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goto fail;
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priv->vbeInfo = VbeInit (priv->vi);
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card->driver = priv;
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return TRUE;
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fail:
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if(priv->vi)
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Vm86Cleanup(priv->vi);
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return FALSE;
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}
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void
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vesaListModes (void)
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{
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Vm86InfoPtr vi;
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VesaModePtr modes;
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int nmode;
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int n;
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vi = Vm86Setup ();
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if (!vi)
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{
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ErrorF ("Can't setup vm86\n");
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}
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else
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{
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modes = vesaGetModes (vi, &nmode);
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if (!modes)
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{
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ErrorF ("No modes available\n");
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}
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else
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{
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VbeReportInfo (vi);
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for (n = 0; n < nmode; n++)
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{
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if (vesa_force_mode || vesaModeSupportable (modes+n, 0))
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vesaReportMode (modes+n);
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}
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xfree (modes);
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}
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Vm86Cleanup (vi);
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}
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}
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Bool
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vesaCardInit(KdCardInfo *card)
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{
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VesaCardPrivPtr priv;
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priv = xalloc(sizeof(VesaCardPrivRec));
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if(!priv)
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return FALSE;
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if (!vesaInitialize (card, priv))
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{
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xfree(priv);
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return FALSE;
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}
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return TRUE;
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}
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int
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vesaDepth (VesaModePtr mode)
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{
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if (mode->MemoryModel == MEMORY_DIRECT)
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return (mode->RedMaskSize +
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mode->GreenMaskSize +
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mode->BlueMaskSize);
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else
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return mode->BitsPerPixel;
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}
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Bool
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vesaModeGood (KdScreenInfo *screen,
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VesaModePtr a)
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{
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if (vesaWidth(screen,a) <= screen->width &&
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vesaHeight(screen,a) <= screen->height &&
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vesaDepth (a) >= screen->fb[0].depth)
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{
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return TRUE;
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}
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}
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#define vabs(a) ((a) >= 0 ? (a) : -(a))
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int
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vesaSizeError (KdScreenInfo *screen,
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VesaModePtr a)
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{
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int xdist, ydist;
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xdist = vabs (screen->width - vesaWidth(screen,a));
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ydist = vabs (screen->height - vesaHeight(screen,a));
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return xdist * xdist + ydist * ydist;
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}
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Bool
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vesaModeBetter (KdScreenInfo *screen,
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VesaModePtr a,
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VesaModePtr b)
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{
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int aerr, berr;
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if (vesaModeGood (screen, a))
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{
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if (!vesaModeGood (screen, b))
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return TRUE;
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}
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else
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{
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if (vesaModeGood (screen, b))
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return FALSE;
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}
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aerr = vesaSizeError (screen, a);
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berr = vesaSizeError (screen, b);
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if (aerr < berr)
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return TRUE;
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if (berr < aerr)
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return FALSE;
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if (vabs (screen->fb[0].depth - vesaDepth (a)) <
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vabs (screen->fb[0].depth - vesaDepth (b)))
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return TRUE;
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return FALSE;
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}
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VesaModePtr
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vesaSelectMode (KdScreenInfo *screen)
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{
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VesaCardPrivPtr priv = screen->card->driver;
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int i, best;
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if (vesa_video_mode)
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{
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for (best = 0; best < priv->nmode; best++)
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if (priv->modes[best].mode == vesa_video_mode &&
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(vesaModeSupported (priv, &priv->modes[best], FALSE) ||
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vesa_force_mode))
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return &priv->modes[best];
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}
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for (best = 0; best < priv->nmode; best++)
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{
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if (vesaModeSupported (priv, &priv->modes[best], FALSE))
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break;
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}
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if (best == priv->nmode)
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return 0;
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for (i = best + 1; i < priv->nmode; i++)
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if (vesaModeSupported (priv, &priv->modes[i], FALSE) &&
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vesaModeBetter (screen, &priv->modes[i],
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&priv->modes[best]))
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best = i;
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return &priv->modes[best];
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}
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Bool
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vesaScreenInitialize (KdScreenInfo *screen, VesaScreenPrivPtr pscr)
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{
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VesaCardPrivPtr priv = screen->card->driver;
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VesaModePtr mode;
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Pixel allbits;
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int depth;
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int bpp, fbbpp;
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screen->driver = pscr;
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if (!screen->width || !screen->height)
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{
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screen->width = 640;
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screen->height = 480;
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}
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if (!screen->fb[0].depth)
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screen->fb[0].depth = 4;
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if (vesa_verbose)
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ErrorF ("Mode requested %dx%dx%d\n",
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screen->width, screen->height, screen->fb[0].depth);
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mode = vesaSelectMode (screen);
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if (!mode)
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{
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if (vesa_verbose)
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ErrorF ("No selectable mode\n");
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return FALSE;
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}
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pscr->mode = *mode;
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if (vesa_verbose)
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{
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ErrorF ("\t");
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vesaReportMode (&pscr->mode);
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}
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pscr->rotate = screen->rotation;
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pscr->shadow = vesa_shadow;
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pscr->origDepth = screen->fb[0].depth;
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if (vesa_linear_fb)
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pscr->mapping = VESA_LINEAR;
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else
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pscr->mapping = VESA_WINDOWED;
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depth = vesaDepth (&pscr->mode);
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bpp = pscr->mode.BitsPerPixel;
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if (bpp > 24)
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bpp = 32;
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else if (bpp > 16)
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bpp = 24;
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else if (bpp > 8)
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bpp = 16;
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else if (bpp > 4)
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bpp = 8;
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else if (bpp > 1)
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bpp = 4;
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else
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bpp = 1;
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fbbpp = bpp;
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switch (pscr->mode.MemoryModel) {
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case MEMORY_DIRECT:
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/* TrueColor or DirectColor */
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screen->fb[0].visuals = (1 << TrueColor);
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screen->fb[0].redMask =
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FbStipMask(pscr->mode.RedFieldPosition, pscr->mode.RedMaskSize);
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screen->fb[0].greenMask =
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FbStipMask(pscr->mode.GreenFieldPosition, pscr->mode.GreenMaskSize);
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screen->fb[0].blueMask =
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FbStipMask(pscr->mode.BlueFieldPosition, pscr->mode.BlueMaskSize);
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allbits =
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screen->fb[0].redMask |
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screen->fb[0].greenMask |
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screen->fb[0].blueMask;
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depth = 32;
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while (depth && !(allbits & (1 << (depth - 1))))
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depth--;
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if (vesa_verbose)
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ErrorF ("\tTrue Color bpp %d depth %d red 0x%x green 0x%x blue 0x%x\n",
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bpp, depth,
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screen->fb[0].redMask,
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screen->fb[0].greenMask,
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screen->fb[0].blueMask);
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break;
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case MEMORY_PSEUDO:
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/* PseudoColor */
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screen->fb[0].visuals = ((1 << StaticGray) |
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(1 << GrayScale) |
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(1 << StaticColor) |
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(1 << PseudoColor) |
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(1 << TrueColor) |
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(1 << DirectColor));
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screen->fb[0].blueMask = 0x00;
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screen->fb[0].greenMask = 0x00;
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screen->fb[0].redMask = 0x00;
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if (vesa_verbose)
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ErrorF ("\tPseudo Color bpp %d depth %d\n",
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bpp, depth);
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break;
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case MEMORY_PLANAR:
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/* 4 plane planar */
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if (pscr->mode.ModeAttributes & MODE_COLOUR)
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screen->fb[0].visuals = (1 << StaticColor);
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else
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screen->fb[0].visuals = (1 << StaticGray);
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screen->fb[0].blueMask = 0x00;
|
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screen->fb[0].greenMask = 0x00;
|
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screen->fb[0].redMask = 0x00;
|
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if (bpp == 4)
|
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{
|
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bpp = screen->fb[0].bitsPerPixel;
|
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if (bpp != 8)
|
|
bpp = 4;
|
|
depth = bpp;
|
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}
|
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if (bpp == 1)
|
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{
|
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pscr->mapping = VESA_MONO;
|
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if (vesa_verbose)
|
|
ErrorF ("\tMonochrome\n");
|
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}
|
|
else
|
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{
|
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pscr->mapping = VESA_PLANAR;
|
|
if (vesa_verbose)
|
|
ErrorF ("\tStatic color bpp %d depth %d\n",
|
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bpp, depth);
|
|
}
|
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pscr->rotate = 0;
|
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break;
|
|
default:
|
|
ErrorF("Unsupported VESA MemoryModel 0x%02X\n",
|
|
pscr->mode.MemoryModel);
|
|
return FALSE;
|
|
}
|
|
|
|
switch (fbbpp) {
|
|
case 8:
|
|
case 16:
|
|
case 32:
|
|
break;
|
|
default:
|
|
pscr->rotate = 0;
|
|
}
|
|
|
|
screen->width = vesaWidth(screen, mode);
|
|
screen->height = vesaHeight(screen, mode);
|
|
screen->fb[0].depth = depth;
|
|
screen->fb[0].bitsPerPixel = bpp;
|
|
screen->fb[0].byteStride = pscr->mode.BytesPerScanLine;
|
|
screen->fb[0].pixelStride = ((pscr->mode.BytesPerScanLine * 8) / fbbpp);
|
|
|
|
if (pscr->mapping == VESA_LINEAR && !(pscr->mode.ModeAttributes & MODE_LINEAR))
|
|
pscr->mapping = VESA_WINDOWED;
|
|
|
|
if (pscr->rotate)
|
|
pscr->shadow = TRUE;
|
|
|
|
switch (pscr->mapping) {
|
|
case VESA_MONO:
|
|
pscr->shadow = TRUE;
|
|
/* fall through */
|
|
case VESA_LINEAR:
|
|
if (pscr->mode.vbe)
|
|
pscr->fb = VbeMapFramebuffer(priv->vi, priv->vbeInfo,
|
|
pscr->mode.mode,
|
|
&pscr->fb_size);
|
|
else
|
|
pscr->fb = VgaMapFramebuffer (priv->vi,
|
|
pscr->mode.mode,
|
|
&pscr->fb_size);
|
|
break;
|
|
case VESA_WINDOWED:
|
|
pscr->fb = NULL;
|
|
pscr->shadow = TRUE;
|
|
break;
|
|
case VESA_PLANAR:
|
|
pscr->fb = NULL;
|
|
pscr->shadow = TRUE;
|
|
break;
|
|
}
|
|
|
|
screen->rate = 72;
|
|
screen->fb[0].frameBuffer = (CARD8 *)(pscr->fb);
|
|
|
|
if (pscr->rotate)
|
|
screen->softCursor = TRUE;
|
|
|
|
if (pscr->shadow)
|
|
return KdShadowScreenInit (screen);
|
|
|
|
if (vesa_verbose)
|
|
ErrorF ("Mode selected %dx%dx%d\n",
|
|
screen->width, screen->height, screen->fb[0].depth);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
vesaScreenInit(KdScreenInfo *screen)
|
|
{
|
|
VesaScreenPrivPtr pscr;
|
|
|
|
pscr = xcalloc (1, sizeof (VesaScreenPrivRec));
|
|
if (!pscr)
|
|
return FALSE;
|
|
if (!vesaScreenInitialize (screen, pscr))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
void *
|
|
vesaSetWindowPlanar(ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
static int plane;
|
|
int winSize;
|
|
void *base;
|
|
|
|
plane = offset & 3;
|
|
VgaSetWritePlaneMask (priv->vi, (1 << plane));
|
|
offset = offset >> 2;
|
|
if (pscr->mode.vbe)
|
|
{
|
|
base = VbeSetWindow (priv->vi,
|
|
priv->vbeInfo,
|
|
pscr->mode.BytesPerScanLine * row + offset,
|
|
mode,
|
|
&winSize);
|
|
}
|
|
else
|
|
{
|
|
base = VgaSetWindow (priv->vi,
|
|
pscr->mode.mode,
|
|
pscr->mode.BytesPerScanLine * row + offset,
|
|
mode,
|
|
&winSize);
|
|
}
|
|
*size = (CARD32) winSize;
|
|
return base;
|
|
}
|
|
|
|
void *
|
|
vesaSetWindowLinear (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
|
|
*size = pscr->mode.BytesPerScanLine;
|
|
return (CARD8 *) pscr->fb + row * pscr->mode.BytesPerScanLine + offset;
|
|
}
|
|
|
|
void *
|
|
vesaSetWindowWindowed (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int winSize;
|
|
void *base;
|
|
|
|
if (pscr->mode.vbe)
|
|
{
|
|
base = VbeSetWindow (priv->vi,
|
|
priv->vbeInfo,
|
|
pscr->mode.BytesPerScanLine * row + offset,
|
|
mode,
|
|
&winSize);
|
|
}
|
|
else
|
|
{
|
|
base = VgaSetWindow (priv->vi,
|
|
pscr->mode.mode,
|
|
pscr->mode.BytesPerScanLine * row + offset,
|
|
mode,
|
|
&winSize);
|
|
}
|
|
*size = (CARD32) winSize;
|
|
return base;
|
|
}
|
|
|
|
void *
|
|
vesaWindowPlanar (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size,
|
|
void *closure)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
|
|
if (!pScreenPriv->enabled)
|
|
return 0;
|
|
return vesaSetWindowPlanar (pScreen, row, offset, mode, size);
|
|
}
|
|
|
|
void *
|
|
vesaWindowLinear (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size,
|
|
void *closure)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
|
|
if (!pScreenPriv->enabled)
|
|
return 0;
|
|
return vesaSetWindowLinear (pScreen, row, offset, mode, size);
|
|
}
|
|
|
|
void *
|
|
vesaWindowWindowed (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size,
|
|
void *closure)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
|
|
if (!pScreenPriv->enabled)
|
|
return 0;
|
|
return vesaSetWindowWindowed (pScreen, row, offset, mode, size);
|
|
}
|
|
|
|
#define vesaInvertBits32(v) { \
|
|
v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
|
|
v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
|
|
v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
|
|
}
|
|
|
|
void *
|
|
vesaWindowCga (ScreenPtr pScreen,
|
|
CARD32 row,
|
|
CARD32 offset,
|
|
int mode,
|
|
CARD32 *size,
|
|
void *closure)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int line;
|
|
|
|
if (!pScreenPriv->enabled)
|
|
return 0;
|
|
*size = pscr->mode.BytesPerScanLine;
|
|
line = ((row & 1) << 13) + (row >> 1) * pscr->mode.BytesPerScanLine;
|
|
return (CARD8 *) pscr->fb + line + offset;
|
|
}
|
|
|
|
void
|
|
vesaUpdateMono (ScreenPtr pScreen,
|
|
shadowBufPtr pBuf)
|
|
{
|
|
RegionPtr damage = &pBuf->damage;
|
|
PixmapPtr pShadow = pBuf->pPixmap;
|
|
shadowScrPriv(pScreen);
|
|
int nbox = REGION_NUM_RECTS (damage);
|
|
BoxPtr pbox = REGION_RECTS (damage);
|
|
FbBits *shaBase, *shaLine, *sha;
|
|
FbBits s;
|
|
FbStride shaStride;
|
|
int scrBase, scrLine, scr;
|
|
int shaBpp;
|
|
int shaXoff, shaYoff; /* XXX assumed to be zero */
|
|
int x, y, w, h, width;
|
|
int i;
|
|
FbBits *winBase, *winLine, *win;
|
|
CARD32 winSize;
|
|
FbBits bits;
|
|
int plane;
|
|
|
|
fbGetDrawable (&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
|
|
while (nbox--)
|
|
{
|
|
x = pbox->x1 * shaBpp;
|
|
y = pbox->y1;
|
|
w = (pbox->x2 - pbox->x1) * shaBpp;
|
|
h = pbox->y2 - pbox->y1;
|
|
|
|
scrLine = (x >> FB_SHIFT);
|
|
shaLine = shaBase + y * shaStride + (x >> FB_SHIFT);
|
|
|
|
x &= FB_MASK;
|
|
w = (w + x + FB_MASK) >> FB_SHIFT;
|
|
|
|
while (h--)
|
|
{
|
|
winSize = 0;
|
|
scrBase = 0;
|
|
width = w;
|
|
scr = scrLine;
|
|
sha = shaLine;
|
|
while (width) {
|
|
/* how much remains in this window */
|
|
i = scrBase + winSize - scr;
|
|
if (i <= 0 || scr < scrBase)
|
|
{
|
|
winBase = (FbBits *) (*pBuf->window) (pScreen,
|
|
y,
|
|
scr * sizeof (FbBits),
|
|
SHADOW_WINDOW_WRITE,
|
|
&winSize,
|
|
pBuf->closure);
|
|
if(!winBase)
|
|
return;
|
|
scrBase = scr;
|
|
winSize /= sizeof (FbBits);
|
|
i = winSize;
|
|
}
|
|
win = winBase + (scr - scrBase);
|
|
if (i > width)
|
|
i = width;
|
|
width -= i;
|
|
scr += i;
|
|
while (i--)
|
|
{
|
|
bits = *sha++;
|
|
vesaInvertBits32(bits);
|
|
*win++ = bits;
|
|
}
|
|
}
|
|
shaLine += shaStride;
|
|
y++;
|
|
}
|
|
pbox++;
|
|
}
|
|
}
|
|
|
|
static const CARD16 vga16Colors[16][3] = {
|
|
{ 0, 0, 0, }, /* 0 */
|
|
{ 0, 0, 0xAA,}, /* 1 */
|
|
{ 0, 0xAA,0, }, /* 2 */
|
|
{ 0, 0xAA,0xAA,}, /* 3 */
|
|
{ 0xAA,0, 0, }, /* 4 */
|
|
{ 0xAA,0, 0xAA,}, /* 5 */
|
|
{ 0xAA,0x55,0, }, /* 6 */
|
|
{ 0xAA,0xAA,0xAA,}, /* 7 */
|
|
{ 0x55,0x55,0x55,}, /* 8 */
|
|
{ 0x55,0x55,0xFF,}, /* 9 */
|
|
{ 0x55,0xFF,0x55,}, /* 10 */
|
|
{ 0x55,0xFF,0xFF,}, /* 11 */
|
|
{ 0xFF,0x55,0x55,}, /* 12 */
|
|
{ 0xFF,0x55,0xFF,}, /* 13 */
|
|
{ 0xFF,0xFF,0x55,}, /* 14 */
|
|
{ 0xFF,0xFF,0xFF,}, /* 15 */
|
|
};
|
|
|
|
Bool
|
|
vesaCreateColormap16 (ColormapPtr pmap)
|
|
{
|
|
int i, j;
|
|
|
|
if (pmap->pVisual->ColormapEntries == 16)
|
|
for (i = 0; i < pmap->pVisual->ColormapEntries; i++)
|
|
{
|
|
j = i & 0xf;
|
|
pmap->red[i].co.local.red = (vga16Colors[j][0]<<8)|vga16Colors[j][0];
|
|
pmap->red[i].co.local.green = (vga16Colors[j][1]<<8)|vga16Colors[j][1];
|
|
pmap->red[i].co.local.blue = (vga16Colors[j][2]<<8)|vga16Colors[j][2];
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef RANDR
|
|
Bool
|
|
vesaRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaModePtr modes, mode;
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int nmode;
|
|
int n;
|
|
RRVisualGroupPtr pVisualGroup;
|
|
RRGroupOfVisualGroupPtr pGroupOfVisualGroup;
|
|
RRScreenSizePtr pSize;
|
|
|
|
*rotations = RR_Rotate_0;
|
|
/*
|
|
* Get mode information from BIOS -- every time in case
|
|
* something changes, like an external monitor is plugged in
|
|
*/
|
|
modes = vesaGetModes (priv->vi, &nmode);
|
|
if (!modes)
|
|
return FALSE;
|
|
if (priv->modes)
|
|
xfree (priv->modes);
|
|
priv->modes = modes;
|
|
priv->nmode = nmode;
|
|
/*
|
|
* XXX Create a single set of visual sets that has all of the visuals
|
|
* for the root depth
|
|
*/
|
|
for (n = 0; n < pScreen->numDepths; n++)
|
|
if (pScreen->allowedDepths[n].numVids)
|
|
break;
|
|
if (n == pScreen->numDepths)
|
|
return FALSE;
|
|
|
|
pVisualGroup = RRCreateVisualGroup (pScreen);
|
|
if (!pVisualGroup)
|
|
return FALSE;
|
|
|
|
if (!RRAddDepthToVisualGroup (pScreen,
|
|
pVisualGroup,
|
|
&pScreen->allowedDepths[n]))
|
|
{
|
|
RRDestroyVisualGroup (pScreen, pVisualGroup);
|
|
return FALSE;
|
|
}
|
|
pVisualGroup = RRRegisterVisualGroup (pScreen, pVisualGroup);
|
|
if (!pVisualGroup)
|
|
return FALSE;
|
|
|
|
pGroupOfVisualGroup = RRCreateGroupOfVisualGroup (pScreen);
|
|
|
|
if (!RRAddVisualGroupToGroupOfVisualGroup (pScreen,
|
|
pGroupOfVisualGroup,
|
|
pVisualGroup))
|
|
{
|
|
RRDestroyGroupOfVisualGroup (pScreen, pGroupOfVisualGroup);
|
|
/* pVisualGroup left until screen closed */
|
|
return FALSE;
|
|
}
|
|
|
|
pGroupOfVisualGroup = RRRegisterGroupOfVisualGroup (pScreen, pGroupOfVisualGroup);
|
|
if (!pGroupOfVisualGroup)
|
|
return FALSE;
|
|
|
|
for (n = 0; n < nmode; n++)
|
|
{
|
|
mode = &priv->modes[n];
|
|
if (vesaModeSupported (priv, mode, FALSE))
|
|
{
|
|
/*
|
|
* XXX limit reported modes to those matching the current
|
|
* format
|
|
*/
|
|
if (mode->NumberOfPlanes == pscr->mode.NumberOfPlanes &&
|
|
mode->BitsPerPixel == pscr->mode.BitsPerPixel &&
|
|
mode->MemoryModel == pscr->mode.MemoryModel &&
|
|
mode->RedMaskSize == pscr->mode.RedMaskSize &&
|
|
mode->RedFieldPosition == pscr->mode.RedFieldPosition &&
|
|
mode->GreenMaskSize == pscr->mode.GreenMaskSize &&
|
|
mode->GreenFieldPosition == pscr->mode.GreenFieldPosition &&
|
|
mode->BlueMaskSize == pscr->mode.BlueMaskSize &&
|
|
mode->BlueFieldPosition == pscr->mode.BlueFieldPosition)
|
|
{
|
|
pSize = RRRegisterSize (pScreen,
|
|
mode->XResolution,
|
|
mode->YResolution,
|
|
pScreen->mmWidth,
|
|
pScreen->mmHeight,
|
|
pGroupOfVisualGroup);
|
|
if (mode->XResolution == pScreen->width &&
|
|
mode->YResolution == pScreen->height)
|
|
{
|
|
RRSetCurrentConfig (pScreen, RR_Rotate_0, pSize,
|
|
pVisualGroup);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Bool
|
|
vesaRandRSetConfig (ScreenPtr pScreen,
|
|
Rotation rotation,
|
|
RRScreenSizePtr pSize,
|
|
RRVisualGroupPtr pVisualGroup)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaModePtr mode;
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int n;
|
|
Bool wasEnabled = pScreenPriv->enabled;
|
|
Bool ret;
|
|
|
|
for (n = 0; n < priv->nmode; n++)
|
|
{
|
|
mode = &priv->modes[n];
|
|
if (vesaModeSupported (priv, mode, FALSE))
|
|
{
|
|
/*
|
|
* XXX all we have to match is the size
|
|
*/
|
|
if (mode->XResolution == pSize->width &&
|
|
mode->YResolution == pSize->height &&
|
|
mode->NumberOfPlanes == pscr->mode.NumberOfPlanes &&
|
|
mode->BitsPerPixel == pscr->mode.BitsPerPixel &&
|
|
mode->RedMaskSize == pscr->mode.RedMaskSize &&
|
|
mode->RedFieldPosition == pscr->mode.RedFieldPosition &&
|
|
mode->GreenMaskSize == pscr->mode.GreenMaskSize &&
|
|
mode->GreenFieldPosition == pscr->mode.GreenFieldPosition &&
|
|
mode->BlueMaskSize == pscr->mode.BlueMaskSize &&
|
|
mode->BlueFieldPosition == pscr->mode.BlueFieldPosition)
|
|
break;
|
|
}
|
|
}
|
|
if (n == priv->nmode)
|
|
return FALSE;
|
|
|
|
if (wasEnabled)
|
|
KdDisableScreen (pScreen);
|
|
|
|
ret = vesaSetMode (pScreen, mode);
|
|
if (ret)
|
|
{
|
|
pscr->mode = *mode;
|
|
switch (screen->fb[0].bitsPerPixel) {
|
|
case 8:
|
|
case 16:
|
|
case 32:
|
|
switch (rotation)
|
|
{
|
|
case RR_Rotate_0:
|
|
pscr->rotate = 0;
|
|
break;
|
|
case RR_Rotate_90:
|
|
pscr->rotate = 90;
|
|
break;
|
|
case RR_Rotate_180:
|
|
pscr->rotate = 180;
|
|
break;
|
|
case RR_Rotate_270:
|
|
pscr->rotate = 270;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
pscr->rotate = 0;
|
|
break;
|
|
}
|
|
screen->width = vesaWidth(screen, mode);
|
|
screen->height = vesaHeight(screen, mode);
|
|
pScreen->width = screen->width;
|
|
pScreen->height = screen->height;
|
|
if (rotation == 90 || rotation == 270)
|
|
{
|
|
pScreen->mmWidth = pSize->mmHeight;
|
|
pScreen->mmHeight = pSize->mmWidth;
|
|
}
|
|
else
|
|
{
|
|
pScreen->mmWidth = pSize->mmWidth;
|
|
pScreen->mmHeight = pSize->mmHeight;
|
|
}
|
|
#if 0
|
|
/*
|
|
* XXX can't switch depths yet
|
|
*/
|
|
screen->fb[0].depth = depth;
|
|
screen->fb[0].bitsPerPixel = bpp;
|
|
#endif
|
|
screen->fb[0].byteStride = pscr->mode.BytesPerScanLine;
|
|
screen->fb[0].pixelStride = ((pscr->mode.BytesPerScanLine * 8) / screen->fb[0].bitsPerPixel);
|
|
(*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
|
|
screen->width,
|
|
screen->height,
|
|
screen->fb[0].depth,
|
|
screen->fb[0].bitsPerPixel,
|
|
screen->fb[0].byteStride,
|
|
screen->fb[0].frameBuffer);
|
|
}
|
|
else
|
|
(void) vesaSetMode (pScreen, &pscr->mode);
|
|
|
|
if (wasEnabled)
|
|
KdEnableScreen (pScreen);
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
vesaRandRInit (ScreenPtr pScreen)
|
|
{
|
|
rrScrPriv(pScreen);
|
|
|
|
if (!pScrPriv)
|
|
return;
|
|
pScrPriv->rrGetInfo = vesaRandRGetInfo;
|
|
pScrPriv->rrSetConfig = vesaRandRSetConfig;
|
|
}
|
|
#endif
|
|
|
|
Bool
|
|
vesaInitScreen(ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
ShadowUpdateProc update;
|
|
ShadowWindowProc window;
|
|
|
|
|
|
if (pscr->shadow)
|
|
{
|
|
switch (pscr->mapping) {
|
|
case VESA_LINEAR:
|
|
update = shadowUpdatePacked;
|
|
window = vesaWindowLinear;
|
|
break;
|
|
case VESA_WINDOWED:
|
|
update = shadowUpdatePacked;
|
|
window = vesaWindowWindowed;
|
|
break;
|
|
case VESA_PLANAR:
|
|
pScreen->CreateColormap = vesaCreateColormap16;
|
|
if (pScreenPriv->screen->fb[0].bitsPerPixel == 8)
|
|
update = shadowUpdatePlanar4x8;
|
|
else
|
|
update = shadowUpdatePlanar4;
|
|
window = vesaWindowPlanar;
|
|
pscr->rotate = 0;
|
|
break;
|
|
case VESA_MONO:
|
|
update = vesaUpdateMono;
|
|
if (pscr->mode.mode < 8)
|
|
window = vesaWindowCga;
|
|
else
|
|
window = vesaWindowLinear;
|
|
pscr->rotate = 0;
|
|
break;
|
|
}
|
|
switch (pscr->rotate) {
|
|
case 90:
|
|
switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
|
|
case 8:
|
|
update = shadowUpdateRotate8_90; break;
|
|
case 16:
|
|
update = shadowUpdateRotate16_90; break;
|
|
case 32:
|
|
update = shadowUpdateRotate32_90; break;
|
|
}
|
|
break;
|
|
case 180:
|
|
switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
|
|
case 8:
|
|
update = shadowUpdateRotate8_180; break;
|
|
case 16:
|
|
update = shadowUpdateRotate16_180; break;
|
|
case 32:
|
|
update = shadowUpdateRotate32_180; break;
|
|
}
|
|
break;
|
|
case 270:
|
|
switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
|
|
case 8:
|
|
update = shadowUpdateRotate8_270; break;
|
|
case 16:
|
|
update = shadowUpdateRotate16_270; break;
|
|
case 32:
|
|
update = shadowUpdateRotate32_270; break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return KdShadowInitScreen (pScreen, update, window);
|
|
}
|
|
#ifdef RANDR
|
|
vesaRandRInit (pScreen);
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
vesaSetMode (ScreenPtr pScreen,
|
|
VesaModePtr mode)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int code;
|
|
|
|
if (mode->vbe)
|
|
{
|
|
if (vesa_verbose)
|
|
ErrorF ("Enable VBE mode 0x%x\n", mode->mode);
|
|
code = VbeSetMode(priv->vi, priv->vbeInfo, mode->mode,
|
|
pscr->mapping == VESA_LINEAR,
|
|
mode->MemoryModel == MEMORY_DIRECT);
|
|
}
|
|
else
|
|
{
|
|
if (vesa_verbose)
|
|
ErrorF ("Enable BIOS mode 0x%x\n", mode->mode);
|
|
code = VgaSetMode (priv->vi, mode->mode);
|
|
}
|
|
|
|
if(code < 0)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
vesaEnable(ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int code;
|
|
int i;
|
|
CARD32 size;
|
|
char *p;
|
|
KdMouseMatrix m;
|
|
|
|
if (!vesaSetMode (pScreen, &pscr->mode))
|
|
return FALSE;
|
|
|
|
switch (pscr->mapping) {
|
|
case VESA_MONO:
|
|
VgaSetWritePlaneMask (priv->vi, 0x1);
|
|
case VESA_LINEAR:
|
|
memcpy (priv->text, pscr->fb, VESA_TEXT_SAVE);
|
|
break;
|
|
case VESA_WINDOWED:
|
|
for (i = 0; i < VESA_TEXT_SAVE;)
|
|
{
|
|
p = vesaSetWindowWindowed (pScreen, 0, i, VBE_WINDOW_READ, &size);
|
|
if(!p) {
|
|
ErrorF("Couldn't set window for saving VGA font\n");
|
|
break;
|
|
}
|
|
if(i + size > VESA_TEXT_SAVE)
|
|
size = VESA_TEXT_SAVE - i;
|
|
memcpy(((char*)priv->text) + i, p, size);
|
|
i += size;
|
|
}
|
|
break;
|
|
case VESA_PLANAR:
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
p = vesaSetWindowPlanar (pScreen, 0, i, VBE_WINDOW_READ, &size);
|
|
memcpy (((char *)priv->text) + i * (VESA_TEXT_SAVE/4), p,
|
|
(VESA_TEXT_SAVE/4));
|
|
}
|
|
break;
|
|
}
|
|
switch (pscr->rotate) {
|
|
case 0:
|
|
m.matrix[0][0] = 1; m.matrix[0][1] = 0; m.matrix[0][2] = 0;
|
|
m.matrix[1][0] = 0; m.matrix[1][1] = 1; m.matrix[1][2] = 0;
|
|
break;
|
|
case 90:
|
|
m.matrix[0][0] = 0; m.matrix[0][1] = -1; m.matrix[0][2] = pScreen->width - 1;
|
|
m.matrix[1][0] = 1; m.matrix[1][1] = 0; m.matrix[1][2] = 0;
|
|
break;
|
|
case 180:
|
|
m.matrix[0][0] = -1; m.matrix[0][1] = 0; m.matrix[0][2] = pScreen->width - 1;
|
|
m.matrix[1][0] = 0; m.matrix[1][1] = -1; m.matrix[1][2] = pScreen->height - 1;
|
|
break;
|
|
case 270:
|
|
m.matrix[0][0] = 0; m.matrix[0][1] = 1; m.matrix[0][2] = 0;
|
|
m.matrix[1][0] = -1; m.matrix[1][1] = 0; m.matrix[1][2] = pScreen->height - 1;
|
|
break;
|
|
}
|
|
KdSetMouseMatrix (&m);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
vesaDisable(ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
int i=0;
|
|
CARD32 size;
|
|
char *p;
|
|
|
|
switch (pscr->mapping) {
|
|
case VESA_LINEAR:
|
|
case VESA_MONO:
|
|
memcpy(pscr->fb, priv->text, VESA_TEXT_SAVE);
|
|
break;
|
|
case VESA_WINDOWED:
|
|
while(i < VESA_TEXT_SAVE) {
|
|
p = vesaSetWindowWindowed (pScreen, 0, i, VBE_WINDOW_WRITE, &size);
|
|
if(!p) {
|
|
ErrorF("Couldn't set window for restoring VGA font\n");
|
|
break;
|
|
}
|
|
if(i + size > VESA_TEXT_SAVE)
|
|
size = VESA_TEXT_SAVE - i;
|
|
memcpy(p, ((char*)priv->text) + i, size);
|
|
i += size;
|
|
}
|
|
break;
|
|
case VESA_PLANAR:
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
p = vesaSetWindowPlanar (pScreen, 0, i, VBE_WINDOW_WRITE, &size);
|
|
memcpy (p,
|
|
((char *)priv->text) + i * (VESA_TEXT_SAVE/4),
|
|
(VESA_TEXT_SAVE/4));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
vesaPreserve(KdCardInfo *card)
|
|
{
|
|
VesaCardPrivPtr priv = card->driver;
|
|
int code;
|
|
|
|
/* The framebuffer might not be valid at this point, so we cannot
|
|
save the VGA fonts now; we do it in vesaEnable. */
|
|
|
|
if (VbeGetMode (priv->vi, &priv->old_vbe_mode) < 0)
|
|
priv->old_vbe_mode = -1;
|
|
|
|
if (VgaGetMode (priv->vi, &priv->old_vga_mode) < 0)
|
|
priv->old_vga_mode = -1;
|
|
|
|
if (vesa_verbose)
|
|
ErrorF ("Previous modes: VBE 0x%x BIOS 0x%x\n",
|
|
priv->old_vbe_mode, priv->old_vga_mode);
|
|
}
|
|
|
|
void
|
|
vesaRestore(KdCardInfo *card)
|
|
{
|
|
VesaCardPrivPtr priv = card->driver;
|
|
int n;
|
|
|
|
for (n = 0; n < priv->nmode; n++)
|
|
if (priv->modes[n].vbe && priv->modes[n].mode == (priv->old_vbe_mode&0x3fff))
|
|
break;
|
|
|
|
if (n < priv->nmode)
|
|
{
|
|
if (vesa_verbose)
|
|
ErrorF ("Restore VBE mode 0x%x\n", priv->old_vbe_mode);
|
|
VbeSetMode (priv->vi, priv->vbeInfo, priv->old_vbe_mode, 0, 0);
|
|
}
|
|
else
|
|
{
|
|
if (vesa_verbose)
|
|
ErrorF ("Restore BIOS mode 0x%x\n", priv->old_vga_mode);
|
|
VgaSetMode (priv->vi, priv->old_vga_mode);
|
|
}
|
|
}
|
|
|
|
void
|
|
vesaCardFini(KdCardInfo *card)
|
|
{
|
|
VesaCardPrivPtr priv = card->driver;
|
|
|
|
if (priv->vbeInfo)
|
|
VbeCleanup (priv->vi, priv->vbeInfo);
|
|
if (priv->modes)
|
|
xfree (priv->modes);
|
|
Vm86Cleanup(priv->vi);
|
|
}
|
|
|
|
void
|
|
vesaScreenFini(KdScreenInfo *screen)
|
|
{
|
|
VesaScreenPrivPtr pscr = screen->driver;
|
|
VesaCardPrivPtr priv = screen->card->driver;
|
|
|
|
if (pscr->fb)
|
|
{
|
|
if (pscr->mode.vbe)
|
|
VbeUnmapFramebuffer(priv->vi, priv->vbeInfo, pscr->mode.mode, pscr->fb);
|
|
else
|
|
VgaUnmapFramebuffer (priv->vi);
|
|
}
|
|
|
|
if (pscr->shadow)
|
|
KdShadowScreenFini (screen);
|
|
screen->fb[0].depth = pscr->origDepth;
|
|
}
|
|
|
|
int
|
|
vesaSetPalette(VesaCardPrivPtr priv, int first, int number, U8 *entries)
|
|
{
|
|
if (priv->vga_palette)
|
|
return VgaSetPalette (priv->vi, first, number, entries);
|
|
else
|
|
return VbeSetPalette (priv->vi, priv->vbeInfo, first, number, entries);
|
|
}
|
|
|
|
|
|
int
|
|
vesaGetPalette(VesaCardPrivPtr priv, int first, int number, U8 *entries)
|
|
{
|
|
int code;
|
|
|
|
if (priv->vga_palette)
|
|
code = VgaGetPalette (priv->vi, first, number, entries);
|
|
else
|
|
{
|
|
code = VbeGetPalette (priv->vi, priv->vbeInfo, first, number, entries);
|
|
if (code < 0)
|
|
{
|
|
priv->vga_palette = 1;
|
|
code = VgaGetPalette (priv->vi, first, number, entries);
|
|
}
|
|
}
|
|
return code;
|
|
}
|
|
|
|
void
|
|
vesaPutColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaScreenPrivPtr pscr = pScreenPriv->screen->driver;
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
int p;
|
|
CARD8 scratch[4];
|
|
int red, green, blue;
|
|
|
|
if (vesa_swap_rgb)
|
|
{
|
|
red = 2;
|
|
green = 1;
|
|
blue = 0;
|
|
}
|
|
else
|
|
{
|
|
red = 0;
|
|
green = 1;
|
|
blue = 2;
|
|
}
|
|
|
|
while (n--)
|
|
{
|
|
scratch[red] = pdefs->red >> 8;
|
|
scratch[green] = pdefs->green >> 8;
|
|
scratch[blue] = pdefs->blue >> 8;
|
|
scratch[3] = 0;
|
|
p = pdefs->pixel;
|
|
pdefs++;
|
|
if (pscr->mapping == VESA_PLANAR)
|
|
{
|
|
/*
|
|
* VGA modes are strange; this code covers all
|
|
* possible modes by duplicating the color information
|
|
* however the attribute registers might be set
|
|
*/
|
|
if (p < 16)
|
|
{
|
|
vesaSetPalette (priv, p, 1, scratch);
|
|
if (p >= 8)
|
|
vesaSetPalette (priv, p+0x30, 1, scratch);
|
|
else if (p == 6)
|
|
vesaSetPalette (priv, 0x14, 1, scratch);
|
|
}
|
|
}
|
|
else
|
|
vesaSetPalette(priv, p, 1, scratch);
|
|
}
|
|
}
|
|
|
|
void
|
|
vesaGetColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
VesaCardPrivPtr priv = pScreenPriv->card->driver;
|
|
int first, i, j, k;
|
|
CARD8 scratch[4];
|
|
int red, green, blue;
|
|
|
|
if (vesa_swap_rgb)
|
|
{
|
|
red = 2;
|
|
green = 1;
|
|
blue = 0;
|
|
}
|
|
else
|
|
{
|
|
red = 0;
|
|
green = 1;
|
|
blue = 2;
|
|
}
|
|
|
|
for(i = 0; i<n; i++) {
|
|
vesaGetPalette(priv, pdefs[i].pixel, 1, scratch);
|
|
pdefs[i].red = scratch[red]<<8;
|
|
pdefs[i].green = scratch[green]<<8;
|
|
pdefs[i].blue = scratch[blue]<<8;
|
|
}
|
|
}
|
|
|
|
int
|
|
vesaProcessArgument (int argc, char **argv, int i)
|
|
{
|
|
if(!strcmp(argv[i], "-mode")) {
|
|
if(i+1 < argc) {
|
|
vesa_video_mode = strtol(argv[i+1], NULL, 0);
|
|
} else
|
|
UseMsg();
|
|
return 2;
|
|
} else if(!strcmp(argv[i], "-force")) {
|
|
vesa_force_mode = TRUE;
|
|
return 1;
|
|
} else if(!strcmp(argv[i], "-listmodes")) {
|
|
vesaListModes();
|
|
exit(0);
|
|
} else if(!strcmp(argv[i], "-swaprgb")) {
|
|
vesa_swap_rgb = TRUE;
|
|
return 1;
|
|
} else if(!strcmp(argv[i], "-shadow")) {
|
|
vesa_shadow = TRUE;
|
|
return 1;
|
|
} else if(!strcmp(argv[i], "-nolinear")) {
|
|
vesa_linear_fb = FALSE;
|
|
return 1;
|
|
} else if(!strcmp(argv[i], "-verbose")) {
|
|
vesa_verbose = TRUE;
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|