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macemu/SheepShaver/src/video.cpp

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/*
* video.cpp - Video/graphics emulation
*
* SheepShaver (C) 1997-2008 Marc Hellwig and Christian Bauer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* TODO
* - check for supported modes ???
*/
#include <stdio.h>
#include <string.h>
#include "sysdeps.h"
#include "video.h"
#include "video_defs.h"
#include "main.h"
#include "adb.h"
#include "macos_util.h"
#include "user_strings.h"
#include "version.h"
#include "thunks.h"
#define DEBUG 0
#include "debug.h"
// Global variables
bool video_activated = false; // Flag: video display activated, mouse and keyboard data valid
uint32 screen_base = 0; // Frame buffer base address
int cur_mode; // Number of current video mode (index in VModes array)
int display_type = DIS_INVALID; // Current display type
rgb_color mac_pal[256];
rgb_color mac_gamma[256];
uint8 remap_mac_be[256];
uint8 MacCursor[68] = {16, 1}; // Mac cursor image
bool keyfile_valid; // Flag: Keyfile is valid, enable full-screen modes
/*
* Video mode information (constructed by VideoInit())
*/
struct VideoInfo VModes[64];
/*
* Driver local variables
*/
VidLocals *private_data = NULL; // Pointer to driver local variables (there is only one display, so this is ok)
static long save_conf_id = APPLE_W_640x480;
static long save_conf_mode = APPLE_8_BIT;
// Function pointers of imported functions
typedef int16 (*iocic_ptr)(void *, int16);
static uint32 iocic_tvect = 0;
static inline int16 IOCommandIsComplete(uintptr arg1, int16 arg2)
{
return (int16)CallMacOS2(iocic_ptr, iocic_tvect, (void *)arg1, arg2);
}
typedef int16 (*vslnewis_ptr)(void *, uint32, uint32 *);
static uint32 vslnewis_tvect = 0;
static inline int16 VSLNewInterruptService(uintptr arg1, uint32 arg2, uintptr arg3)
{
return (int16)CallMacOS3(vslnewis_ptr, vslnewis_tvect, (void *)arg1, arg2, (uint32 *)arg3);
}
typedef int16 (*vsldisposeis_ptr)(uint32);
static uint32 vsldisposeis_tvect = 0;
static inline int16 VSLDisposeInterruptService(uint32 arg1)
{
return (int16)CallMacOS1(vsldisposeis_ptr, vsldisposeis_tvect, arg1);
}
typedef int16 (*vsldois_ptr)(uint32);
static uint32 vsldois_tvect = 0;
int16 VSLDoInterruptService(uint32 arg1)
{
return (int16)CallMacOS1(vsldois_ptr, vsldois_tvect, arg1);
}
typedef void (*nqdmisc_ptr)(uint32, void *);
static uint32 nqdmisc_tvect = 0;
void NQDMisc(uint32 arg1, uintptr arg2)
{
CallMacOS2(nqdmisc_ptr, nqdmisc_tvect, arg1, (void *)arg2);
}
// Prototypes
static int16 set_gamma(VidLocals *csSave, uint32 gamma);
/*
* Tell whether window/screen is activated or not (for mouse/keyboard polling)
*/
bool VideoActivated(void)
{
return video_activated;
}
/*
* Create RGB snapshot of current screen
*/
bool VideoSnapshot(int xsize, int ysize, uint8 *p)
{
if (display_type == DIS_WINDOW) {
uint8 *screen = (uint8 *)private_data->saveBaseAddr;
uint32 row_bytes = VModes[cur_mode].viRowBytes;
uint32 y2size = VModes[cur_mode].viYsize;
uint32 x2size = VModes[cur_mode].viXsize;
for (int j=0;j<ysize;j++) {
for (int i=0;i<xsize;i++) {
*p++ = mac_pal[screen[uint32(float(j)*float(y2size)/float(ysize))*row_bytes+uint32(float(i)*float(x2size)/float(xsize))]].red;
*p++ = mac_pal[screen[uint32(float(j)*float(y2size)/float(ysize))*row_bytes+uint32(float(i)*float(x2size)/float(xsize))]].green;
*p++ = mac_pal[screen[uint32(float(j)*float(y2size)/float(ysize))*row_bytes+uint32(float(i)*float(x2size)/float(xsize))]].blue;
}
}
return true;
}
return false;
}
/*
* Determine whether we should use the hardware or software cursor, and return true for the former, false for the latter.
* Currently we use the hardware cursor if we can, but perhaps this can be made a preference someday.
*/
static bool UseHardwareCursor(void)
{
return video_can_change_cursor();
}
/*
* Video driver open routine
*/
static int16 VideoOpen(uint32 pb, VidLocals *csSave)
{
D(bug("Video Open\n"));
// Set up VidLocals
csSave->saveBaseAddr = screen_base;
csSave->saveData = VModes[cur_mode].viAppleID;// First mode ...
csSave->saveMode = VModes[cur_mode].viAppleMode;
csSave->savePage = 0;
csSave->saveVidParms = 0; // Add the right table
csSave->luminanceMapping = false;
csSave->cursorHardware = UseHardwareCursor();
csSave->cursorX = 0;
csSave->cursorY = 0;
csSave->cursorVisible = 0;
csSave->cursorSet = 0;
csSave->cursorHotFlag = false;
csSave->cursorHotX = 0;
csSave->cursorHotY = 0;
// Find and set default gamma table
csSave->gammaTable = 0;
csSave->maxGammaTableSize = 0;
set_gamma(csSave, 0);
// Install and activate interrupt service
SheepVar32 theServiceID = 0;
VSLNewInterruptService(csSave->regEntryID, FOURCC('v','b','l',' '), theServiceID.addr());
csSave->vslServiceID = theServiceID.value();
D(bug(" Interrupt ServiceID %08lx\n", csSave->vslServiceID));
csSave->interruptsEnabled = true;
return noErr;
}
/*
* Video driver control routine
*/
static bool allocate_gamma_table(VidLocals *csSave, uint32 size)
{
if (size > csSave->maxGammaTableSize) {
if (csSave->gammaTable) {
Mac_sysfree(csSave->gammaTable);
csSave->gammaTable = 0;
csSave->maxGammaTableSize = 0;
}
if ((csSave->gammaTable = Mac_sysalloc(size)) == 0)
return false;
csSave->maxGammaTableSize = size;
}
return true;
}
static inline uint8 max(uint8 a, uint8 b) {
return a > b? a : b;
}
static int16 set_gamma(VidLocals *csSave, uint32 gamma)
{
if (gamma == 0) { // Build linear ramp, 256 entries
// Allocate new table, if necessary
if (!allocate_gamma_table(csSave, SIZEOF_GammaTbl + 256))
return memFullErr;
// Initialize header
WriteMacInt16(csSave->gammaTable + gVersion, 0); // A version 0 style of the GammaTbl structure
WriteMacInt16(csSave->gammaTable + gType, 0); // Frame buffer hardware invariant
WriteMacInt16(csSave->gammaTable + gFormulaSize, 0); // No formula data, just correction data
WriteMacInt16(csSave->gammaTable + gChanCnt, 1); // Apply same correction to Red, Green, & Blue
WriteMacInt16(csSave->gammaTable + gDataCnt, 256); // gDataCnt == 2^^gDataWidth
WriteMacInt16(csSave->gammaTable + gDataWidth, 8); // 8 bits of significant data per entry
// Build the linear ramp
uint32 p = csSave->gammaTable + gFormulaData;
for (int i=0; i<256; i++) {
WriteMacInt8(p + i, i);
mac_gamma[i].red = mac_gamma[i].green = mac_gamma[i].blue = i;
}
video_set_gamma(256);
} else { // User-supplied gamma table
// Validate header
if (ReadMacInt16(gamma + gVersion) != 0)
return paramErr;
if (ReadMacInt16(gamma + gType) != 0)
return paramErr;
int chan_cnt = ReadMacInt16(gamma + gChanCnt);
if (chan_cnt != 1 && chan_cnt != 3)
return paramErr;
int data_width = ReadMacInt16(gamma + gDataWidth);
if (data_width > 8)
return paramErr;
int data_cnt = ReadMacInt16(gamma + gDataCnt);
if (data_cnt != (1 << data_width))
return paramErr;
// Allocate new table, if necessary
int size = SIZEOF_GammaTbl + ReadMacInt16(gamma + gFormulaSize) + chan_cnt * data_cnt;
if (!allocate_gamma_table(csSave, size))
return memFullErr;
// Copy table
Mac2Mac_memcpy(csSave->gammaTable, gamma, size);
// Save new gamma data for video impl
if (data_width != 8) {
// FIXME: handle bit-packed data
} else {
uint32 p = csSave->gammaTable + gFormulaData + gFormulaSize;
uint32 p_red;
uint32 p_green;
uint32 p_blue;
// make values increasing as some implementations really don't like it when gamma tables aren't
uint8 max_red = 0;
uint8 max_green = 0;
uint8 max_blue = 0;
if (chan_cnt == 3) {
p_red = p;
p_green = p + data_cnt;
p_blue = p + data_cnt * 2;
} else {
p_red = p_green = p_blue = p;
}
for (int i=0; i < data_cnt; i++) {
max_red = max(max_red, ReadMacInt8(p_red++));
max_green = max(max_green, ReadMacInt8(p_green++));
max_blue = max(max_blue, ReadMacInt8(p_blue++));
mac_gamma[i].red = max_red;
mac_gamma[i].green = max_green;
mac_gamma[i].blue = max_blue;
}
}
video_set_gamma(data_cnt);
}
return noErr;
}
static int16 VideoControl(uint32 pb, VidLocals *csSave)
{
int16 code = ReadMacInt16(pb + csCode);
D(bug("VideoControl %d: ", code));
uint32 param = ReadMacInt32(pb + csParam);
switch (code) {
case cscReset: // VidReset
D(bug("VidReset\n"));
return controlErr;
case cscKillIO: // VidKillIO
D(bug("VidKillIO\n"));
return controlErr;
case cscSetMode: // SetVidMode
D(bug("SetVidMode\n"));
D(bug("mode:%04x page:%04x \n", ReadMacInt16(param + csMode),
ReadMacInt16(param + csPage)));
WriteMacInt32(param + csData, csSave->saveData);
return video_mode_change(csSave, param);
case cscSetEntries: { // SetEntries
D(bug("SetEntries\n"));
if (VModes[cur_mode].viAppleMode > APPLE_8_BIT) return controlErr;
uint32 s_pal = ReadMacInt32(param + csTable);
uint16 start = ReadMacInt16(param + csStart);
uint16 count = ReadMacInt16(param + csCount);
if (s_pal == 0 || count > 256) return controlErr;
// Preparations for gamma correction
bool do_gamma = false;
uint8 *red_gamma = NULL;
uint8 *green_gamma = NULL;
uint8 *blue_gamma = NULL;
int gamma_data_width = 0;
if (csSave->gammaTable) {
#ifdef __BEOS__
// Windows are gamma-corrected by BeOS
const bool can_do_gamma = (display_type == DIS_SCREEN);
#else
const bool can_do_gamma = true;
#endif
if (can_do_gamma) {
uint32 gamma_table = csSave->gammaTable;
red_gamma = Mac2HostAddr(gamma_table + gFormulaData + ReadMacInt16(gamma_table + gFormulaSize));
int chan_cnt = ReadMacInt16(gamma_table + gChanCnt);
if (chan_cnt == 1)
green_gamma = blue_gamma = red_gamma;
else {
int ofs = ReadMacInt16(gamma_table + gDataCnt);
green_gamma = red_gamma + ofs;
blue_gamma = green_gamma + ofs;
}
gamma_data_width = ReadMacInt16(gamma_table + gDataWidth);
do_gamma = true;
}
}
// Set palette
rgb_color *d_pal;
if (start == 0xffff) { // Indexed
for (int i=0; i<=count; i++) {
d_pal = mac_pal + (ReadMacInt16(s_pal + csValue) & 0xff);
uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8;
uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8;
uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8;
if (csSave->luminanceMapping)
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
if (do_gamma) {
red = red_gamma[red >> (8 - gamma_data_width)];
green = green_gamma[green >> (8 - gamma_data_width)];
blue = blue_gamma[blue >> (8 - gamma_data_width)];
}
(*d_pal).red = red;
(*d_pal).green = green;
(*d_pal).blue = blue;
s_pal += 8;
}
} else { // Sequential
d_pal = mac_pal + start;
for (int i=0; i<=count; i++) {
uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8;
uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8;
uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8;
if (csSave->luminanceMapping)
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
if (do_gamma) {
red = red_gamma[red >> (8 - gamma_data_width)];
green = green_gamma[green >> (8 - gamma_data_width)];
blue = blue_gamma[blue >> (8 - gamma_data_width)];
}
(*d_pal).red = red;
(*d_pal).green = green;
(*d_pal).blue = blue;
d_pal++;
s_pal += 8;
}
}
video_set_palette();
return noErr;
}
case cscSetGamma: { // SetGamma
uint32 user_table = ReadMacInt32(param + csGTable);
D(bug("SetGamma %08x\n", user_table));
return set_gamma(csSave, user_table);
}
case cscGrayPage: { // GrayPage
D(bug("GrayPage %d\n", ReadMacInt16(param + csPage)));
if (ReadMacInt16(param + csPage))
return paramErr;
uint32 pattern[6] = {
0xaaaaaaaa, // 1 bpp
0xcccccccc, // 2 bpp
0xf0f0f0f0, // 4 bpp
0xff00ff00, // 8 bpp
0xffff0000, // 16 bpp
0xffffffff // 32 bpp
};
uint32 p = csSave->saveBaseAddr;
uint32 pat = pattern[VModes[cur_mode].viAppleMode - APPLE_1_BIT];
bool invert = (VModes[cur_mode].viAppleMode == APPLE_32_BIT);
for (uint32 y=0; y<VModes[cur_mode].viYsize; y++) {
for (uint32 x=0; x<VModes[cur_mode].viRowBytes; x+=4) {
WriteMacInt32(p + x, pat);
if (invert)
pat = ~pat;
}
p += VModes[cur_mode].viRowBytes;
pat = ~pat;
}
return noErr;
}
case cscSetGray: // SetGray
D(bug("SetGray %02x\n", ReadMacInt8(param)));
csSave->luminanceMapping = ReadMacInt8(param);
return noErr;
case cscSetInterrupt: // SetInterrupt
D(bug("SetInterrupt\n"));
csSave->interruptsEnabled = !ReadMacInt8(param);
return noErr;
case cscDirectSetEntries: // DirectSetEntries
D(bug("DirectSetEntries\n"));
return controlErr;
case cscSetDefaultMode: // SetDefaultMode
D(bug("SetDefaultMode\n"));
return controlErr;
case cscSwitchMode:
D(bug("cscSwitchMode (Display Manager support) \nMode:%02x ID:%04x Page:%d\n",
ReadMacInt16(param + csMode), ReadMacInt32(param + csData), ReadMacInt16(param + csPage)));
return video_mode_change(csSave, param);
case cscSavePreferredConfiguration:
D(bug("SavePreferredConfiguration\n"));
save_conf_id = ReadMacInt32(param + csData);
save_conf_mode = ReadMacInt16(param + csMode);
return noErr;
case cscSetHardwareCursor: {
// D(bug("SetHardwareCursor\n"));
if (!csSave->cursorHardware)
return controlErr;
csSave->cursorSet = false;
bool changed = false;
// Image
uint32 cursor = ReadMacInt32(param); // Pointer to CursorImage
uint32 pmhandle = ReadMacInt32(cursor + ciCursorPixMap);
if (pmhandle == 0 || ReadMacInt32(pmhandle) == 0)
return controlErr;
uint32 pixmap = ReadMacInt32(pmhandle);
// XXX: only certain image formats are handled properly at the moment
uint16 rowBytes = ReadMacInt16(pixmap + 4) & 0x7FFF;
if (rowBytes != 2)
return controlErr;
// Mask
uint32 bmhandle = ReadMacInt32(cursor + ciCursorBitMask);
if (bmhandle == 0 || ReadMacInt32(bmhandle) == 0)
return controlErr;
uint32 bitmap = ReadMacInt32(bmhandle);
// Get cursor data even on a screen, to set the right cursor image when switching back to a window.
// Hotspot is stale, but will be fixed by the next call to DrawHardwareCursor, which is likely to
// occur immediately hereafter.
if (memcmp(MacCursor + 4, Mac2HostAddr(ReadMacInt32(pixmap)), 32)) {
memcpy(MacCursor + 4, Mac2HostAddr(ReadMacInt32(pixmap)), 32);
changed = true;
}
if (memcmp(MacCursor + 4 + 32, Mac2HostAddr(ReadMacInt32(bitmap)), 32)) {
memcpy(MacCursor + 4 + 32, Mac2HostAddr(ReadMacInt32(bitmap)), 32);
changed = true;
}
// Set new cursor image
if (!video_can_change_cursor())
return controlErr;
if (changed)
video_set_cursor();
csSave->cursorSet = true;
csSave->cursorHotFlag = true;
return noErr;
}
case cscDrawHardwareCursor: {
// D(bug("DrawHardwareCursor\n"));
if (!csSave->cursorHardware)
return controlErr;
int32 oldX = csSave->cursorX;
int32 oldY = csSave->cursorY;
uint32 oldVisible = csSave->cursorVisible;
csSave->cursorX = ReadMacInt32(param + csCursorX);
csSave->cursorY = ReadMacInt32(param + csCursorY);
csSave->cursorVisible = ReadMacInt32(param + csCursorVisible);
bool changed = (csSave->cursorVisible != oldVisible);
// If this is the first DrawHardwareCursor call since the cursor was last set (via SetHardwareCursor),
// attempt to set an appropriate cursor hotspot. SetHardwareCursor itself does not know what the
// hotspot should be; it knows only the cursor image and mask. The hotspot is known only to the caller,
// and we have to try to infer it here. The usual sequence of calls when changing the cursor is:
//
// DrawHardwareCursor with (oldX, oldY, invisible)
// SetHardwareCursor with (cursor)
// DrawHardwareCursor with (newX, newY, visible)
//
// The key thing to note is that the sequence is intended not to change the current screen pixel location
// indicated by the hotspot. Thus, the difference between (newX, newY) and (oldX, oldY) reflects precisely
// the difference between the old cursor hotspot and the new one. For example, if you change from a
// cursor whose hotspot is (1, 1) to one whose hotspot is (7, 4), then you must adjust the cursor position
// by (-6, -3) in order for the same screen pixel to remain under the new hotspot.
//
// Alas, on rare occasions this heuristic can fail, and if you did nothing else you could even get stuck
// with the wrong hotspot from then on. To address that possibility, we force the hotspot to (1, 1)
// whenever the cursor being drawn is the standard arrow. Thus, while it is very unlikely that you will
// ever have the wrong hotspot, if you do, it is easy to recover.
if (csSave->cursorHotFlag) {
csSave->cursorHotFlag = false;
D(bug("old hotspot (%d, %d)\n", csSave->cursorHotX, csSave->cursorHotY));
static uint8 arrow[] = {
0x00, 0x00, 0x40, 0x00, 0x60, 0x00, 0x70, 0x00, 0x78, 0x00, 0x7C, 0x00, 0x7E, 0x00, 0x7F, 0x00,
0x7F, 0x80, 0x7C, 0x00, 0x6C, 0x00, 0x46, 0x00, 0x06, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00,
};
if (memcmp(MacCursor + 4, arrow, 32) == 0) {
csSave->cursorHotX = 1;
csSave->cursorHotY = 1;
} else if (csSave->cursorX != oldX || csSave->cursorY != oldY) {
int32 hotX = csSave->cursorHotX + (oldX - csSave->cursorX);
int32 hotY = csSave->cursorHotY + (oldY - csSave->cursorY);
if (0 <= hotX && hotX <= 15 && 0 <= hotY && hotY <= 15) {
csSave->cursorHotX = hotX;
csSave->cursorHotY = hotY;
}
}
if (MacCursor[2] != csSave->cursorHotX || MacCursor[3] != csSave->cursorHotY) {
MacCursor[2] = csSave->cursorHotX;
MacCursor[3] = csSave->cursorHotY;
changed = true;
}
D(bug("new hotspot (%d, %d)\n", csSave->cursorHotX, csSave->cursorHotY));
}
if (changed && video_can_change_cursor())
video_set_cursor();
return noErr;
}
case 43: { // Driver Gestalt
uint32 sel = ReadMacInt32(pb + csParam);
D(bug(" driver gestalt %c%c%c%c\n", sel >> 24, sel >> 16, sel >> 8, sel));
switch (sel) {
case FOURCC('v','e','r','s'):
WriteMacInt32(pb + csParam + 4, 0x01008000);
break;
case FOURCC('i','n','t','f'):
WriteMacInt32(pb + csParam + 4, FOURCC('c','a','r','d'));
break;
case FOURCC('s','y','n','c'):
WriteMacInt32(pb + csParam + 4, 0x01000000);
break;
default:
return statusErr;
};
return noErr;
}
default:
D(bug(" unknown control code %d\n", code));
return controlErr;
}
}
/*
* Video driver status routine
*/
// Search for given AppleID in mode table
static bool has_mode(uint32 id)
{
VideoInfo *p = VModes;
while (p->viType != DIS_INVALID) {
if (p->viAppleID == id)
return true;
p++;
}
return false;
}
// Find maximum depth for given AppleID
static uint32 max_depth(uint32 id)
{
uint32 max = APPLE_1_BIT;
VideoInfo *p = VModes;
while (p->viType != DIS_INVALID) {
if (p->viAppleID == id && p->viAppleMode > max)
max = p->viAppleMode;
p++;
}
return max;
}
// Get X/Y size of specified resolution
static void get_size_of_resolution(int id, uint32 &x, uint32 &y)
{
VideoInfo *p = VModes;
while (p->viType != DIS_INVALID) {
if (p->viAppleID == id) {
x = p->viXsize;
y = p->viYsize;
return;
}
p++;
}
x = y = 0;
}
static int16 VideoStatus(uint32 pb, VidLocals *csSave)
{
int16 code = ReadMacInt16(pb + csCode);
D(bug("VideoStatus %d: ", code));
uint32 param = ReadMacInt32(pb + csParam);
switch (code) {
case cscGetMode: // GetMode
D(bug("GetMode\n"));
WriteMacInt32(param + csBaseAddr, csSave->saveBaseAddr);
WriteMacInt16(param + csMode, csSave->saveMode);
WriteMacInt16(param + csPage, csSave->savePage);
D(bug("return: mode:%04x page:%04x ", ReadMacInt16(param + csMode),
ReadMacInt16(param + csPage)));
D(bug("base adress %08lx\n", ReadMacInt32(param + csBaseAddr)));
return noErr;
case cscGetEntries: { // GetEntries
D(bug("GetEntries\n"));
uint32 d_pal = ReadMacInt32(param + csTable);
uint16 start = ReadMacInt16(param + csStart);
uint16 count = ReadMacInt16(param + csCount);
rgb_color *s_pal;
if ((VModes[cur_mode].viAppleMode == APPLE_32_BIT)||
(VModes[cur_mode].viAppleMode == APPLE_16_BIT)) {
D(bug("ERROR: GetEntries in direct mode \n"));
return statusErr;
}
if (start == 0xffff) { // Indexed
for (uint16 i=0;i<count;i++) {
s_pal = mac_pal + (ReadMacInt16(d_pal + csValue) & 0xff);
uint8 red = (*s_pal).red;
uint8 green = (*s_pal).green;
uint8 blue = (*s_pal).blue;
WriteMacInt16(d_pal + csRed, red * 0x0101);
WriteMacInt16(d_pal + csGreen, green * 0x0101);
WriteMacInt16(d_pal + csBlue, blue * 0x0101);
d_pal += 8;
}
} else { // Sequential
if (start + count > 255)
return paramErr;
s_pal = mac_pal + start;
for (uint16 i=0;i<count;i++) {
uint8 red = (*s_pal).red;
uint8 green = (*s_pal).green;
uint8 blue = (*s_pal).blue;
s_pal++;
WriteMacInt16(d_pal + csRed, red * 0x0101);
WriteMacInt16(d_pal + csGreen, green * 0x0101);
WriteMacInt16(d_pal + csBlue, blue * 0x0101);
d_pal += 8;
}
};
return noErr;
}
case cscGetPageCnt: // GetPage
D(bug("GetPage\n"));
WriteMacInt16(param + csPage, 1);
return noErr;
case cscGetPageBase: // GetPageBase
D(bug("GetPageBase\n"));
WriteMacInt32(param + csBaseAddr, csSave->saveBaseAddr);
return noErr;
case cscGetGray: // GetGray
D(bug("GetGray\n"));
WriteMacInt8(param, csSave->luminanceMapping ? 1 : 0);
return noErr;
case cscGetInterrupt: // GetInterrupt
D(bug("GetInterrupt\n"));
WriteMacInt8(param, csSave->interruptsEnabled ? 0 : 1);
return noErr;
case cscGetGamma: // GetGamma
D(bug("GetGamma\n"));
WriteMacInt32(param, (uint32)csSave->gammaTable);
return noErr;
case cscGetDefaultMode: // GetDefaultMode
D(bug("GetDefaultMode\n"));
return statusErr;
case cscGetCurMode: // GetCurMode
D(bug("GetCurMode\n"));
WriteMacInt16(param + csMode, csSave->saveMode);
WriteMacInt32(param + csData, csSave->saveData);
WriteMacInt16(param + csPage, csSave->savePage);
WriteMacInt32(param + csBaseAddr, csSave->saveBaseAddr);
D(bug("return: mode:%04x ID:%08lx page:%04x ", ReadMacInt16(param + csMode),
ReadMacInt32(param + csData), ReadMacInt16(param + csPage)));
D(bug("base adress %08lx\n", ReadMacInt32(param + csBaseAddr)));
return noErr;
case cscGetConnection: // GetConnection
D(bug("GetConnection\n"));
WriteMacInt16(param + csDisplayType, kMultiModeCRT3Connect);
WriteMacInt8(param + csConnectTaggedType, 6);
WriteMacInt8(param + csConnectTaggedData, 0x23);
WriteMacInt32(param + csConnectFlags, (1<<kAllModesValid)|(1<<kAllModesSafe));
WriteMacInt32(param + csDisplayComponent, 0);
return noErr;
case cscGetModeBaseAddress:
D(bug("GetModeBaseAddress (obsolete !) \n"));
return statusErr;
case cscGetPreferredConfiguration:
D(bug("GetPreferredConfiguration \n"));
WriteMacInt16(param + csMode, save_conf_mode);
WriteMacInt32(param + csData, save_conf_id);
return noErr;
case cscGetNextResolution: {
D(bug("GetNextResolution \n"));
unsigned int work_id = ReadMacInt32(param + csPreviousDisplayModeID);
switch (work_id) {
case kDisplayModeIDCurrent:
work_id = csSave->saveData;
break;
case kDisplayModeIDFindFirstResolution:
work_id = APPLE_ID_MIN;
while (!has_mode(work_id))
work_id ++;
break;
default:
if (!has_mode(work_id))
return paramErr;
work_id++;
while (!has_mode(work_id)) {
work_id++;
if (work_id > APPLE_ID_MAX) {
WriteMacInt32(param + csRIDisplayModeID, kDisplayModeIDNoMoreResolutions);
return noErr;
}
}
break;
}
WriteMacInt32(param + csRIDisplayModeID, work_id);
WriteMacInt16(param + csMaxDepthMode, max_depth(work_id));
switch (work_id) {
case APPLE_640x480:
WriteMacInt32(param + csHorizontalPixels, 640);
WriteMacInt32(param + csVerticalLines, 480);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_W_640x480:
WriteMacInt32(param + csHorizontalPixels, 640);
WriteMacInt32(param + csVerticalLines, 480);
WriteMacInt32(param + csRefreshRate, 60<<16);
break;
case APPLE_800x600:
WriteMacInt32(param + csHorizontalPixels, 800);
WriteMacInt32(param + csVerticalLines, 600);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_W_800x600:
WriteMacInt32(param + csHorizontalPixels, 800);
WriteMacInt32(param + csVerticalLines, 600);
WriteMacInt32(param + csRefreshRate, 60<<16);
break;
case APPLE_1024x768:
WriteMacInt32(param + csHorizontalPixels, 1024);
WriteMacInt32(param + csVerticalLines, 768);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_1152x768:
WriteMacInt32(param + csHorizontalPixels, 1152);
WriteMacInt32(param + csVerticalLines, 768);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_1152x900:
WriteMacInt32(param + csHorizontalPixels, 1152);
WriteMacInt32(param + csVerticalLines, 900);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_1280x1024:
WriteMacInt32(param + csHorizontalPixels, 1280);
WriteMacInt32(param + csVerticalLines, 1024);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_1600x1200:
WriteMacInt32(param + csHorizontalPixels, 1600);
WriteMacInt32(param + csVerticalLines, 1200);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
case APPLE_CUSTOM: {
uint32 x, y;
get_size_of_resolution(work_id, x, y);
WriteMacInt32(param + csHorizontalPixels, x);
WriteMacInt32(param + csVerticalLines, y);
WriteMacInt32(param + csRefreshRate, 75<<16);
break;
}
}
return noErr;
}
case cscGetVideoParameters: // GetVideoParameters
D(bug("GetVideoParameters ID:%08lx Depth:%04x\n",
ReadMacInt32(param + csDisplayModeID),
ReadMacInt16(param + csDepthMode)));
// find right video mode
for (int i=0; VModes[i].viType!=DIS_INVALID; i++) {
if ((ReadMacInt16(param + csDepthMode) == VModes[i].viAppleMode) &&
(ReadMacInt32(param + csDisplayModeID) == VModes[i].viAppleID)) {
uint32 vpb = ReadMacInt32(param + csVPBlockPtr);
WriteMacInt32(vpb + vpBaseOffset, 0);
WriteMacInt16(vpb + vpRowBytes, VModes[i].viRowBytes);
WriteMacInt16(vpb + vpBounds, 0);
WriteMacInt16(vpb + vpBounds + 2, 0);
WriteMacInt16(vpb + vpBounds + 4, VModes[i].viYsize);
WriteMacInt16(vpb + vpBounds + 6, VModes[i].viXsize);
WriteMacInt16(vpb + vpVersion, 0); // Pixel Map version number
WriteMacInt16(vpb + vpPackType, 0);
WriteMacInt32(vpb + vpPackSize, 0);
WriteMacInt32(vpb + vpPlaneBytes, 0);
WriteMacInt32(vpb + vpHRes, 0x00480000); // horiz res of the device (ppi)
WriteMacInt32(vpb + vpVRes, 0x00480000); // vert res of the device (ppi)
switch (VModes[i].viAppleMode) {
case APPLE_1_BIT:
WriteMacInt16(vpb + vpPixelType, 0);
WriteMacInt16(vpb + vpPixelSize, 1);
WriteMacInt16(vpb + vpCmpCount, 1);
WriteMacInt16(vpb + vpCmpSize, 1);
WriteMacInt32(param + csDeviceType, 0); // CLUT
break;
case APPLE_2_BIT:
WriteMacInt16(vpb + vpPixelType, 0);
WriteMacInt16(vpb + vpPixelSize, 2);
WriteMacInt16(vpb + vpCmpCount, 1);
WriteMacInt16(vpb + vpCmpSize, 2);
WriteMacInt32(param + csDeviceType, 0); // CLUT
break;
case APPLE_4_BIT:
WriteMacInt16(vpb + vpPixelType, 0);
WriteMacInt16(vpb + vpPixelSize, 4);
WriteMacInt16(vpb + vpCmpCount, 1);
WriteMacInt16(vpb + vpCmpSize, 4);
WriteMacInt32(param + csDeviceType, 0); // CLUT
break;
case APPLE_8_BIT:
WriteMacInt16(vpb + vpPixelType, 0);
WriteMacInt16(vpb + vpPixelSize, 8);
WriteMacInt16(vpb + vpCmpCount, 1);
WriteMacInt16(vpb + vpCmpSize, 8);
WriteMacInt32(param + csDeviceType, 0); // CLUT
break;
case APPLE_16_BIT:
WriteMacInt16(vpb + vpPixelType, 0x10);
WriteMacInt16(vpb + vpPixelSize, 16);
WriteMacInt16(vpb + vpCmpCount, 3);
WriteMacInt16(vpb + vpCmpSize, 5);
WriteMacInt32(param + csDeviceType, 2); // DIRECT
break;
case APPLE_32_BIT:
WriteMacInt16(vpb + vpPixelType, 0x10);
WriteMacInt16(vpb + vpPixelSize, 32);
WriteMacInt16(vpb + vpCmpCount, 3);
WriteMacInt16(vpb + vpCmpSize, 8);
WriteMacInt32(param + csDeviceType, 2); // DIRECT
break;
}
WriteMacInt32(param + csPageCount, 1);
return noErr;
}
}
return paramErr;
case cscGetModeTiming:
D(bug("GetModeTiming mode %08lx\n", ReadMacInt32(param + csTimingMode)));
WriteMacInt32(param + csTimingFormat, kDeclROMtables);
WriteMacInt32(param + csTimingFlags, (1<<kModeValid)|(1<<kModeSafe)|(1<<kShowModeNow)); // Mode valid, safe, default and shown in Monitors panel
for (int i=0; VModes[i].viType!=DIS_INVALID; i++) {
if (ReadMacInt32(param + csTimingMode) == VModes[i].viAppleID) {
uint32 timing = timingUnknown;
uint32 flags = (1<<kModeValid) | (1<<kShowModeNow);
switch (VModes[i].viAppleID) {
case APPLE_640x480:
timing = timingVESA_640x480_75hz;
flags |= (1<<kModeSafe);
break;
case APPLE_W_640x480:
timing = timingVESA_640x480_60hz;
flags |= (1<<kModeSafe);
break;
case APPLE_800x600:
timing = timingVESA_800x600_75hz;
flags |= (1<<kModeSafe);
break;
case APPLE_W_800x600:
timing = timingVESA_800x600_60hz;
flags |= (1<<kModeSafe);
break;
case APPLE_1024x768:
timing = timingVESA_1024x768_75hz;
break;
case APPLE_1152x768:
timing = timingApple_1152x870_75hz; // FIXME
break;
case APPLE_1152x900:
timing = timingApple_1152x870_75hz;
break;
case APPLE_1280x1024:
timing = timingVESA_1280x960_75hz;
break;
case APPLE_1600x1200:
timing = timingVESA_1600x1200_75hz;
break;
default:
timing = timingUnknown;
break;
}
WriteMacInt32(param + csTimingData, timing);
WriteMacInt32(param + csTimingFlags, flags);
return noErr;
}
}
return paramErr;
case cscSupportsHardwareCursor:
D(bug("SupportsHardwareCursor\n"));
WriteMacInt32(param, csSave->cursorHardware);
return noErr;
case cscGetHardwareCursorDrawState:
D(bug("GetHardwareCursorDrawState\n"));
if (!csSave->cursorHardware)
return statusErr;
WriteMacInt32(param + csCursorX, csSave->cursorX);
WriteMacInt32(param + csCursorY, csSave->cursorY);
WriteMacInt32(param + csCursorVisible, csSave->cursorVisible);
WriteMacInt32(param + csCursorSet, csSave->cursorSet);
return noErr;
default:
D(bug(" unknown status code %d\n", code));
return statusErr;
}
}
/*
* Video driver close routine
*/
static int16 VideoClose(uint32 pb, VidLocals *csSave)
{
D(bug("VideoClose\n"));
// Delete interrupt service
csSave->interruptsEnabled = false;
VSLDisposeInterruptService(csSave->vslServiceID);
return noErr;
}
/*
* Native (PCI) driver entry
*/
int16 VideoDoDriverIO(uint32 spaceID, uint32 commandID, uint32 commandContents, uint32 commandCode, uint32 commandKind)
{
// D(bug("VideoDoDriverIO space %08x, command %08x, contents %08x, code %d, kind %d\n", spaceID, commandID, commandContents, commandCode, commandKind));
int16 err = noErr;
switch (commandCode) {
case kInitializeCommand:
case kReplaceCommand:
if (private_data != NULL) { // Might be left over from a reboot
if (private_data->gammaTable)
Mac_sysfree(private_data->gammaTable);
if (private_data->regEntryID)
Mac_sysfree(private_data->regEntryID);
}
delete private_data;
iocic_tvect = FindLibSymbol("\021DriverServicesLib", "\023IOCommandIsComplete");
D(bug("IOCommandIsComplete TVECT at %08lx\n", iocic_tvect));
if (iocic_tvect == 0) {
printf("FATAL: VideoDoDriverIO(): Can't find IOCommandIsComplete()\n");
err = -1;
break;
}
vslnewis_tvect = FindLibSymbol("\020VideoServicesLib", "\026VSLNewInterruptService");
D(bug("VSLNewInterruptService TVECT at %08lx\n", vslnewis_tvect));
if (vslnewis_tvect == 0) {
printf("FATAL: VideoDoDriverIO(): Can't find VSLNewInterruptService()\n");
err = -1;
break;
}
vsldisposeis_tvect = FindLibSymbol("\020VideoServicesLib", "\032VSLDisposeInterruptService");
D(bug("VSLDisposeInterruptService TVECT at %08lx\n", vsldisposeis_tvect));
if (vsldisposeis_tvect == 0) {
printf("FATAL: VideoDoDriverIO(): Can't find VSLDisposeInterruptService()\n");
err = -1;
break;
}
vsldois_tvect = FindLibSymbol("\020VideoServicesLib", "\025VSLDoInterruptService");
D(bug("VSLDoInterruptService TVECT at %08lx\n", vsldois_tvect));
if (vsldois_tvect == 0) {
printf("FATAL: VideoDoDriverIO(): Can't find VSLDoInterruptService()\n");
err = -1;
break;
}
nqdmisc_tvect = FindLibSymbol("\014InterfaceLib", "\007NQDMisc");
D(bug("NQDMisc TVECT at %08lx\n", nqdmisc_tvect));
if (nqdmisc_tvect == 0) {
printf("FATAL: VideoDoDriverIO(): Can't find NQDMisc()\n");
err = -1;
break;
}
private_data = new VidLocals;
private_data->gammaTable = 0;
private_data->regEntryID = Mac_sysalloc(sizeof(RegEntryID));
if (private_data->regEntryID == 0) {
printf("FATAL: VideoDoDriverIO(): Can't allocate service owner\n");
err = -1;
break;
}
Mac2Mac_memcpy(private_data->regEntryID, commandContents + 2, 16); // DriverInitInfo.deviceEntry
private_data->interruptsEnabled = false; // Disable interrupts
break;
case kFinalizeCommand:
case kSupersededCommand:
if (private_data != NULL) {
if (private_data->gammaTable)
Mac_sysfree(private_data->gammaTable);
if (private_data->regEntryID)
Mac_sysfree(private_data->regEntryID);
}
delete private_data;
private_data = NULL;
break;
case kOpenCommand:
err = VideoOpen(commandContents, private_data);
break;
case kCloseCommand:
err = VideoClose(commandContents, private_data);
break;
case kControlCommand:
err = VideoControl(commandContents, private_data);
break;
case kStatusCommand:
err = VideoStatus(commandContents, private_data);
break;
case kReadCommand:
case kWriteCommand:
break;
case kKillIOCommand:
err = abortErr;
break;
default:
err = paramErr;
break;
}
if (commandKind == kImmediateIOCommandKind)
return err;
else
return IOCommandIsComplete(commandID, err);
}
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