| 1 |
/* |
| 2 |
* video.cpp - Video/graphics emulation |
| 3 |
* |
| 4 |
* SheepShaver (C) 1997-2008 Marc Hellwig and Christian Bauer |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
| 10 |
* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
*/ |
| 20 |
|
| 21 |
/* |
| 22 |
* TODO |
| 23 |
* - check for supported modes ??? |
| 24 |
*/ |
| 25 |
|
| 26 |
#include <stdio.h> |
| 27 |
#include <string.h> |
| 28 |
|
| 29 |
#include "sysdeps.h" |
| 30 |
#include "video.h" |
| 31 |
#include "video_defs.h" |
| 32 |
#include "main.h" |
| 33 |
#include "adb.h" |
| 34 |
#include "macos_util.h" |
| 35 |
#include "user_strings.h" |
| 36 |
#include "version.h" |
| 37 |
#include "thunks.h" |
| 38 |
|
| 39 |
#define DEBUG 0 |
| 40 |
#include "debug.h" |
| 41 |
|
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|
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// Global variables |
| 44 |
bool video_activated = false; // Flag: video display activated, mouse and keyboard data valid |
| 45 |
uint32 screen_base = 0; // Frame buffer base address |
| 46 |
int cur_mode; // Number of current video mode (index in VModes array) |
| 47 |
int display_type = DIS_INVALID; // Current display type |
| 48 |
rgb_color mac_pal[256]; |
| 49 |
uint8 remap_mac_be[256]; |
| 50 |
uint8 MacCursor[68] = {16, 1}; // Mac cursor image |
| 51 |
|
| 52 |
|
| 53 |
bool keyfile_valid; // Flag: Keyfile is valid, enable full-screen modes |
| 54 |
|
| 55 |
|
| 56 |
/* |
| 57 |
* Video mode information (constructed by VideoInit()) |
| 58 |
*/ |
| 59 |
|
| 60 |
struct VideoInfo VModes[64]; |
| 61 |
|
| 62 |
|
| 63 |
/* |
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* Driver local variables |
| 65 |
*/ |
| 66 |
|
| 67 |
VidLocals *private_data = NULL; // Pointer to driver local variables (there is only one display, so this is ok) |
| 68 |
|
| 69 |
static long save_conf_id = APPLE_W_640x480; |
| 70 |
static long save_conf_mode = APPLE_8_BIT; |
| 71 |
|
| 72 |
|
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// Function pointers of imported functions |
| 74 |
typedef int16 (*iocic_ptr)(void *, int16); |
| 75 |
static uint32 iocic_tvect = 0; |
| 76 |
static inline int16 IOCommandIsComplete(uintptr arg1, int16 arg2) |
| 77 |
{ |
| 78 |
return (int16)CallMacOS2(iocic_ptr, iocic_tvect, (void *)arg1, arg2); |
| 79 |
} |
| 80 |
typedef int16 (*vslnewis_ptr)(void *, uint32, uint32 *); |
| 81 |
static uint32 vslnewis_tvect = 0; |
| 82 |
static inline int16 VSLNewInterruptService(uintptr arg1, uint32 arg2, uintptr arg3) |
| 83 |
{ |
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return (int16)CallMacOS3(vslnewis_ptr, vslnewis_tvect, (void *)arg1, arg2, (uint32 *)arg3); |
| 85 |
} |
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typedef int16 (*vsldisposeis_ptr)(uint32); |
| 87 |
static uint32 vsldisposeis_tvect = 0; |
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static inline int16 VSLDisposeInterruptService(uint32 arg1) |
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{ |
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return (int16)CallMacOS1(vsldisposeis_ptr, vsldisposeis_tvect, arg1); |
| 91 |
} |
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typedef int16 (*vsldois_ptr)(uint32); |
| 93 |
static uint32 vsldois_tvect = 0; |
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int16 VSLDoInterruptService(uint32 arg1) |
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{ |
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return (int16)CallMacOS1(vsldois_ptr, vsldois_tvect, arg1); |
| 97 |
} |
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typedef void (*nqdmisc_ptr)(uint32, void *); |
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static uint32 nqdmisc_tvect = 0; |
| 100 |
void NQDMisc(uint32 arg1, uintptr arg2) |
| 101 |
{ |
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CallMacOS2(nqdmisc_ptr, nqdmisc_tvect, arg1, (void *)arg2); |
| 103 |
} |
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|
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|
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// Prototypes |
| 107 |
static int16 set_gamma(VidLocals *csSave, uint32 gamma); |
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|
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|
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/* |
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* Tell whether window/screen is activated or not (for mouse/keyboard polling) |
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*/ |
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|
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bool VideoActivated(void) |
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{ |
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return video_activated; |
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} |
| 118 |
|
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|
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/* |
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* Create RGB snapshot of current screen |
| 122 |
*/ |
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|
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bool VideoSnapshot(int xsize, int ysize, uint8 *p) |
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{ |
| 126 |
if (display_type == DIS_WINDOW) { |
| 127 |
uint8 *screen = (uint8 *)private_data->saveBaseAddr; |
| 128 |
uint32 row_bytes = VModes[cur_mode].viRowBytes; |
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uint32 y2size = VModes[cur_mode].viYsize; |
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uint32 x2size = VModes[cur_mode].viXsize; |
| 131 |
for (int j=0;j<ysize;j++) { |
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for (int i=0;i<xsize;i++) { |
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*p++ = mac_pal[screen[uint32(float(j)*float(y2size)/float(ysize))*row_bytes+uint32(float(i)*float(x2size)/float(xsize))]].red; |
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*p++ = mac_pal[screen[uint32(float(j)*float(y2size)/float(ysize))*row_bytes+uint32(float(i)*float(x2size)/float(xsize))]].green; |
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*p++ = mac_pal[screen[uint32(float(j)*float(y2size)/float(ysize))*row_bytes+uint32(float(i)*float(x2size)/float(xsize))]].blue; |
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} |
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} |
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return true; |
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} |
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return false; |
| 141 |
} |
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|
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|
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/* |
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* Determine whether we should use the hardware or software cursor, and return true for the former, false for the latter. |
| 146 |
* Currently we use the hardware cursor if we can, but perhaps this can be made a preference someday. |
| 147 |
*/ |
| 148 |
|
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static bool UseHardwareCursor(void) |
| 150 |
{ |
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return video_can_change_cursor(); |
| 152 |
} |
| 153 |
|
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|
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/* |
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* Video driver open routine |
| 157 |
*/ |
| 158 |
|
| 159 |
static int16 VideoOpen(uint32 pb, VidLocals *csSave) |
| 160 |
{ |
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D(bug("Video Open\n")); |
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|
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// Set up VidLocals |
| 164 |
csSave->saveBaseAddr = screen_base; |
| 165 |
csSave->saveData = VModes[cur_mode].viAppleID;// First mode ... |
| 166 |
csSave->saveMode = VModes[cur_mode].viAppleMode; |
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csSave->savePage = 0; |
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csSave->saveVidParms = 0; // Add the right table |
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csSave->luminanceMapping = false; |
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csSave->cursorHardware = UseHardwareCursor(); |
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csSave->cursorX = 0; |
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csSave->cursorY = 0; |
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csSave->cursorVisible = 0; |
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csSave->cursorSet = 0; |
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csSave->cursorHotFlag = false; |
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csSave->cursorHotX = 0; |
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csSave->cursorHotY = 0; |
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|
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// Find and set default gamma table |
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csSave->gammaTable = 0; |
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csSave->maxGammaTableSize = 0; |
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set_gamma(csSave, 0); |
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|
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// Install and activate interrupt service |
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SheepVar32 theServiceID = 0; |
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VSLNewInterruptService(csSave->regEntryID, FOURCC('v','b','l',' '), theServiceID.addr()); |
| 187 |
csSave->vslServiceID = theServiceID.value(); |
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D(bug(" Interrupt ServiceID %08lx\n", csSave->vslServiceID)); |
| 189 |
csSave->interruptsEnabled = true; |
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|
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return noErr; |
| 192 |
} |
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|
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|
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/* |
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* Video driver control routine |
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*/ |
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|
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static bool allocate_gamma_table(VidLocals *csSave, uint32 size) |
| 200 |
{ |
| 201 |
if (size > csSave->maxGammaTableSize) { |
| 202 |
if (csSave->gammaTable) { |
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Mac_sysfree(csSave->gammaTable); |
| 204 |
csSave->gammaTable = 0; |
| 205 |
csSave->maxGammaTableSize = 0; |
| 206 |
} |
| 207 |
if ((csSave->gammaTable = Mac_sysalloc(size)) == 0) |
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return false; |
| 209 |
csSave->maxGammaTableSize = size; |
| 210 |
} |
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return true; |
| 212 |
} |
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|
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static int16 set_gamma(VidLocals *csSave, uint32 gamma) |
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{ |
| 216 |
if (gamma == 0) { // Build linear ramp, 256 entries |
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|
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// Allocate new table, if necessary |
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if (!allocate_gamma_table(csSave, SIZEOF_GammaTbl + 256)) |
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return memFullErr; |
| 221 |
|
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// Initialize header |
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WriteMacInt16(csSave->gammaTable + gVersion, 0); // A version 0 style of the GammaTbl structure |
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WriteMacInt16(csSave->gammaTable + gType, 0); // Frame buffer hardware invariant |
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WriteMacInt16(csSave->gammaTable + gFormulaSize, 0); // No formula data, just correction data |
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WriteMacInt16(csSave->gammaTable + gChanCnt, 1); // Apply same correction to Red, Green, & Blue |
| 227 |
WriteMacInt16(csSave->gammaTable + gDataCnt, 256); // gDataCnt == 2^^gDataWidth |
| 228 |
WriteMacInt16(csSave->gammaTable + gDataWidth, 8); // 8 bits of significant data per entry |
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|
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// Build the linear ramp |
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uint32 p = csSave->gammaTable + gFormulaData; |
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for (int i=0; i<256; i++) |
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WriteMacInt8(p + i, i); |
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|
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} else { // User-supplied gamma table |
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|
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// Validate header |
| 238 |
if (ReadMacInt16(gamma + gVersion) != 0) |
| 239 |
return paramErr; |
| 240 |
if (ReadMacInt16(gamma + gType) != 0) |
| 241 |
return paramErr; |
| 242 |
int chan_cnt = ReadMacInt16(gamma + gChanCnt); |
| 243 |
if (chan_cnt != 1 && chan_cnt != 3) |
| 244 |
return paramErr; |
| 245 |
int data_width = ReadMacInt16(gamma + gDataWidth); |
| 246 |
if (data_width > 8) |
| 247 |
return paramErr; |
| 248 |
int data_cnt = ReadMacInt16(gamma + gDataCnt); |
| 249 |
if (data_cnt != (1 << data_width)) |
| 250 |
return paramErr; |
| 251 |
|
| 252 |
// Allocate new table, if necessary |
| 253 |
int size = SIZEOF_GammaTbl + ReadMacInt16(gamma + gFormulaSize) + chan_cnt * data_cnt; |
| 254 |
if (!allocate_gamma_table(csSave, size)) |
| 255 |
return memFullErr; |
| 256 |
|
| 257 |
// Copy table |
| 258 |
Mac2Mac_memcpy(csSave->gammaTable, gamma, size); |
| 259 |
} |
| 260 |
return noErr; |
| 261 |
} |
| 262 |
|
| 263 |
static int16 VideoControl(uint32 pb, VidLocals *csSave) |
| 264 |
{ |
| 265 |
int16 code = ReadMacInt16(pb + csCode); |
| 266 |
D(bug("VideoControl %d: ", code)); |
| 267 |
uint32 param = ReadMacInt32(pb + csParam); |
| 268 |
switch (code) { |
| 269 |
|
| 270 |
case cscReset: // VidReset |
| 271 |
D(bug("VidReset\n")); |
| 272 |
return controlErr; |
| 273 |
|
| 274 |
case cscKillIO: // VidKillIO |
| 275 |
D(bug("VidKillIO\n")); |
| 276 |
return controlErr; |
| 277 |
|
| 278 |
case cscSetMode: // SetVidMode |
| 279 |
D(bug("SetVidMode\n")); |
| 280 |
D(bug("mode:%04x page:%04x \n", ReadMacInt16(param + csMode), |
| 281 |
ReadMacInt16(param + csPage))); |
| 282 |
WriteMacInt32(param + csData, csSave->saveData); |
| 283 |
return video_mode_change(csSave, param); |
| 284 |
|
| 285 |
case cscSetEntries: { // SetEntries |
| 286 |
D(bug("SetEntries\n")); |
| 287 |
if (VModes[cur_mode].viAppleMode > APPLE_8_BIT) return controlErr; |
| 288 |
uint32 s_pal = ReadMacInt32(param + csTable); |
| 289 |
uint16 start = ReadMacInt16(param + csStart); |
| 290 |
uint16 count = ReadMacInt16(param + csCount); |
| 291 |
if (s_pal == 0 || count > 256) return controlErr; |
| 292 |
|
| 293 |
// Preparations for gamma correction |
| 294 |
bool do_gamma = false; |
| 295 |
uint8 *red_gamma = NULL; |
| 296 |
uint8 *green_gamma = NULL; |
| 297 |
uint8 *blue_gamma = NULL; |
| 298 |
int gamma_data_width = 0; |
| 299 |
if (csSave->gammaTable) { |
| 300 |
#ifdef __BEOS__ |
| 301 |
// Windows are gamma-corrected by BeOS |
| 302 |
const bool can_do_gamma = (display_type == DIS_SCREEN); |
| 303 |
#else |
| 304 |
const bool can_do_gamma = true; |
| 305 |
#endif |
| 306 |
if (can_do_gamma) { |
| 307 |
uint32 gamma_table = csSave->gammaTable; |
| 308 |
red_gamma = Mac2HostAddr(gamma_table + gFormulaData + ReadMacInt16(gamma_table + gFormulaSize)); |
| 309 |
int chan_cnt = ReadMacInt16(gamma_table + gChanCnt); |
| 310 |
if (chan_cnt == 1) |
| 311 |
green_gamma = blue_gamma = red_gamma; |
| 312 |
else { |
| 313 |
int ofs = ReadMacInt16(gamma_table + gDataCnt); |
| 314 |
green_gamma = red_gamma + ofs; |
| 315 |
blue_gamma = green_gamma + ofs; |
| 316 |
} |
| 317 |
gamma_data_width = ReadMacInt16(gamma_table + gDataWidth); |
| 318 |
do_gamma = true; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
// Set palette |
| 323 |
rgb_color *d_pal; |
| 324 |
if (start == 0xffff) { // Indexed |
| 325 |
for (int i=0; i<=count; i++) { |
| 326 |
d_pal = mac_pal + (ReadMacInt16(s_pal + csValue) & 0xff); |
| 327 |
uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8; |
| 328 |
uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8; |
| 329 |
uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8; |
| 330 |
if (csSave->luminanceMapping) |
| 331 |
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
| 332 |
if (do_gamma) { |
| 333 |
red = red_gamma[red >> (8 - gamma_data_width)]; |
| 334 |
green = green_gamma[green >> (8 - gamma_data_width)]; |
| 335 |
blue = blue_gamma[blue >> (8 - gamma_data_width)]; |
| 336 |
} |
| 337 |
(*d_pal).red = red; |
| 338 |
(*d_pal).green = green; |
| 339 |
(*d_pal).blue = blue; |
| 340 |
s_pal += 8; |
| 341 |
} |
| 342 |
} else { // Sequential |
| 343 |
d_pal = mac_pal + start; |
| 344 |
for (int i=0; i<=count; i++) { |
| 345 |
uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8; |
| 346 |
uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8; |
| 347 |
uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8; |
| 348 |
if (csSave->luminanceMapping) |
| 349 |
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
| 350 |
if (do_gamma) { |
| 351 |
red = red_gamma[red >> (8 - gamma_data_width)]; |
| 352 |
green = green_gamma[green >> (8 - gamma_data_width)]; |
| 353 |
blue = blue_gamma[blue >> (8 - gamma_data_width)]; |
| 354 |
} |
| 355 |
(*d_pal).red = red; |
| 356 |
(*d_pal).green = green; |
| 357 |
(*d_pal).blue = blue; |
| 358 |
d_pal++; |
| 359 |
s_pal += 8; |
| 360 |
} |
| 361 |
} |
| 362 |
video_set_palette(); |
| 363 |
return noErr; |
| 364 |
} |
| 365 |
|
| 366 |
case cscSetGamma: { // SetGamma |
| 367 |
uint32 user_table = ReadMacInt32(param + csGTable); |
| 368 |
D(bug("SetGamma %08x\n", user_table)); |
| 369 |
return set_gamma(csSave, user_table); |
| 370 |
} |
| 371 |
|
| 372 |
case cscGrayPage: { // GrayPage |
| 373 |
D(bug("GrayPage %d\n", ReadMacInt16(param + csPage))); |
| 374 |
if (ReadMacInt16(param + csPage)) |
| 375 |
return paramErr; |
| 376 |
|
| 377 |
uint32 pattern[6] = { |
| 378 |
0xaaaaaaaa, // 1 bpp |
| 379 |
0xcccccccc, // 2 bpp |
| 380 |
0xf0f0f0f0, // 4 bpp |
| 381 |
0xff00ff00, // 8 bpp |
| 382 |
0xffff0000, // 16 bpp |
| 383 |
0xffffffff // 32 bpp |
| 384 |
}; |
| 385 |
uint32 p = csSave->saveBaseAddr; |
| 386 |
uint32 pat = pattern[VModes[cur_mode].viAppleMode - APPLE_1_BIT]; |
| 387 |
bool invert = (VModes[cur_mode].viAppleMode == APPLE_32_BIT); |
| 388 |
for (uint32 y=0; y<VModes[cur_mode].viYsize; y++) { |
| 389 |
for (uint32 x=0; x<VModes[cur_mode].viRowBytes; x+=4) { |
| 390 |
WriteMacInt32(p + x, pat); |
| 391 |
if (invert) |
| 392 |
pat = ~pat; |
| 393 |
} |
| 394 |
p += VModes[cur_mode].viRowBytes; |
| 395 |
pat = ~pat; |
| 396 |
} |
| 397 |
return noErr; |
| 398 |
} |
| 399 |
|
| 400 |
case cscSetGray: // SetGray |
| 401 |
D(bug("SetGray %02x\n", ReadMacInt8(param))); |
| 402 |
csSave->luminanceMapping = ReadMacInt8(param); |
| 403 |
return noErr; |
| 404 |
|
| 405 |
case cscSetInterrupt: // SetInterrupt |
| 406 |
D(bug("SetInterrupt\n")); |
| 407 |
csSave->interruptsEnabled = !ReadMacInt8(param); |
| 408 |
return noErr; |
| 409 |
|
| 410 |
case cscDirectSetEntries: // DirectSetEntries |
| 411 |
D(bug("DirectSetEntries\n")); |
| 412 |
return controlErr; |
| 413 |
|
| 414 |
case cscSetDefaultMode: // SetDefaultMode |
| 415 |
D(bug("SetDefaultMode\n")); |
| 416 |
return controlErr; |
| 417 |
|
| 418 |
case cscSwitchMode: |
| 419 |
D(bug("cscSwitchMode (Display Manager support) \nMode:%02x ID:%04x Page:%d\n", |
| 420 |
ReadMacInt16(param + csMode), ReadMacInt32(param + csData), ReadMacInt16(param + csPage))); |
| 421 |
return video_mode_change(csSave, param); |
| 422 |
|
| 423 |
case cscSavePreferredConfiguration: |
| 424 |
D(bug("SavePreferredConfiguration\n")); |
| 425 |
save_conf_id = ReadMacInt32(param + csData); |
| 426 |
save_conf_mode = ReadMacInt16(param + csMode); |
| 427 |
return noErr; |
| 428 |
|
| 429 |
case cscSetHardwareCursor: { |
| 430 |
// D(bug("SetHardwareCursor\n")); |
| 431 |
|
| 432 |
if (!csSave->cursorHardware) |
| 433 |
return controlErr; |
| 434 |
|
| 435 |
csSave->cursorSet = false; |
| 436 |
bool changed = false; |
| 437 |
|
| 438 |
// Image |
| 439 |
uint32 cursor = ReadMacInt32(param); // Pointer to CursorImage |
| 440 |
uint32 pmhandle = ReadMacInt32(cursor + ciCursorPixMap); |
| 441 |
if (pmhandle == 0 || ReadMacInt32(pmhandle) == 0) |
| 442 |
return controlErr; |
| 443 |
uint32 pixmap = ReadMacInt32(pmhandle); |
| 444 |
|
| 445 |
// XXX: only certain image formats are handled properly at the moment |
| 446 |
uint16 rowBytes = ReadMacInt16(pixmap + 4) & 0x7FFF; |
| 447 |
if (rowBytes != 2) |
| 448 |
return controlErr; |
| 449 |
|
| 450 |
// Mask |
| 451 |
uint32 bmhandle = ReadMacInt32(cursor + ciCursorBitMask); |
| 452 |
if (bmhandle == 0 || ReadMacInt32(bmhandle) == 0) |
| 453 |
return controlErr; |
| 454 |
uint32 bitmap = ReadMacInt32(bmhandle); |
| 455 |
|
| 456 |
// Get cursor data even on a screen, to set the right cursor image when switching back to a window. |
| 457 |
// Hotspot is stale, but will be fixed by the next call to DrawHardwareCursor, which is likely to |
| 458 |
// occur immediately hereafter. |
| 459 |
|
| 460 |
if (memcmp(MacCursor + 4, Mac2HostAddr(ReadMacInt32(pixmap)), 32)) { |
| 461 |
memcpy(MacCursor + 4, Mac2HostAddr(ReadMacInt32(pixmap)), 32); |
| 462 |
changed = true; |
| 463 |
} |
| 464 |
if (memcmp(MacCursor + 4 + 32, Mac2HostAddr(ReadMacInt32(bitmap)), 32)) { |
| 465 |
memcpy(MacCursor + 4 + 32, Mac2HostAddr(ReadMacInt32(bitmap)), 32); |
| 466 |
changed = true; |
| 467 |
} |
| 468 |
|
| 469 |
// Set new cursor image |
| 470 |
if (!video_can_change_cursor()) |
| 471 |
return controlErr; |
| 472 |
if (changed) |
| 473 |
video_set_cursor(); |
| 474 |
|
| 475 |
csSave->cursorSet = true; |
| 476 |
csSave->cursorHotFlag = true; |
| 477 |
return noErr; |
| 478 |
} |
| 479 |
|
| 480 |
case cscDrawHardwareCursor: { |
| 481 |
// D(bug("DrawHardwareCursor\n")); |
| 482 |
|
| 483 |
if (!csSave->cursorHardware) |
| 484 |
return controlErr; |
| 485 |
|
| 486 |
int32 oldX = csSave->cursorX; |
| 487 |
int32 oldY = csSave->cursorY; |
| 488 |
uint32 oldVisible = csSave->cursorVisible; |
| 489 |
|
| 490 |
csSave->cursorX = ReadMacInt32(param + csCursorX); |
| 491 |
csSave->cursorY = ReadMacInt32(param + csCursorY); |
| 492 |
csSave->cursorVisible = ReadMacInt32(param + csCursorVisible); |
| 493 |
bool changed = (csSave->cursorVisible != oldVisible); |
| 494 |
|
| 495 |
// If this is the first DrawHardwareCursor call since the cursor was last set (via SetHardwareCursor), |
| 496 |
// attempt to set an appropriate cursor hotspot. SetHardwareCursor itself does not know what the |
| 497 |
// hotspot should be; it knows only the cursor image and mask. The hotspot is known only to the caller, |
| 498 |
// and we have to try to infer it here. The usual sequence of calls when changing the cursor is: |
| 499 |
// |
| 500 |
// DrawHardwareCursor with (oldX, oldY, invisible) |
| 501 |
// SetHardwareCursor with (cursor) |
| 502 |
// DrawHardwareCursor with (newX, newY, visible) |
| 503 |
// |
| 504 |
// The key thing to note is that the sequence is intended not to change the current screen pixel location |
| 505 |
// indicated by the hotspot. Thus, the difference between (newX, newY) and (oldX, oldY) reflects precisely |
| 506 |
// the difference between the old cursor hotspot and the new one. For example, if you change from a |
| 507 |
// cursor whose hotspot is (1, 1) to one whose hotspot is (7, 4), then you must adjust the cursor position |
| 508 |
// by (-6, -3) in order for the same screen pixel to remain under the new hotspot. |
| 509 |
// |
| 510 |
// Alas, on rare occasions this heuristic can fail, and if you did nothing else you could even get stuck |
| 511 |
// with the wrong hotspot from then on. To address that possibility, we force the hotspot to (1, 1) |
| 512 |
// whenever the cursor being drawn is the standard arrow. Thus, while it is very unlikely that you will |
| 513 |
// ever have the wrong hotspot, if you do, it is easy to recover. |
| 514 |
|
| 515 |
if (csSave->cursorHotFlag) { |
| 516 |
csSave->cursorHotFlag = false; |
| 517 |
D(bug("old hotspot (%d, %d)\n", csSave->cursorHotX, csSave->cursorHotY)); |
| 518 |
|
| 519 |
static uint8 arrow[] = { |
| 520 |
0x00, 0x00, 0x40, 0x00, 0x60, 0x00, 0x70, 0x00, 0x78, 0x00, 0x7C, 0x00, 0x7E, 0x00, 0x7F, 0x00, |
| 521 |
0x7F, 0x80, 0x7C, 0x00, 0x6C, 0x00, 0x46, 0x00, 0x06, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, |
| 522 |
}; |
| 523 |
if (memcmp(MacCursor + 4, arrow, 32) == 0) { |
| 524 |
csSave->cursorHotX = 1; |
| 525 |
csSave->cursorHotY = 1; |
| 526 |
} else if (csSave->cursorX != oldX || csSave->cursorY != oldY) { |
| 527 |
int32 hotX = csSave->cursorHotX + (oldX - csSave->cursorX); |
| 528 |
int32 hotY = csSave->cursorHotY + (oldY - csSave->cursorY); |
| 529 |
|
| 530 |
if (0 <= hotX && hotX <= 15 && 0 <= hotY && hotY <= 15) { |
| 531 |
csSave->cursorHotX = hotX; |
| 532 |
csSave->cursorHotY = hotY; |
| 533 |
} |
| 534 |
} |
| 535 |
if (MacCursor[2] != csSave->cursorHotX || MacCursor[3] != csSave->cursorHotY) { |
| 536 |
MacCursor[2] = csSave->cursorHotX; |
| 537 |
MacCursor[3] = csSave->cursorHotY; |
| 538 |
changed = true; |
| 539 |
} |
| 540 |
D(bug("new hotspot (%d, %d)\n", csSave->cursorHotX, csSave->cursorHotY)); |
| 541 |
} |
| 542 |
|
| 543 |
if (changed && video_can_change_cursor()) |
| 544 |
video_set_cursor(); |
| 545 |
|
| 546 |
return noErr; |
| 547 |
} |
| 548 |
|
| 549 |
case 43: { // Driver Gestalt |
| 550 |
uint32 sel = ReadMacInt32(pb + csParam); |
| 551 |
D(bug(" driver gestalt %c%c%c%c\n", sel >> 24, sel >> 16, sel >> 8, sel)); |
| 552 |
switch (sel) { |
| 553 |
case FOURCC('v','e','r','s'): |
| 554 |
WriteMacInt32(pb + csParam + 4, 0x01008000); |
| 555 |
break; |
| 556 |
case FOURCC('i','n','t','f'): |
| 557 |
WriteMacInt32(pb + csParam + 4, FOURCC('c','a','r','d')); |
| 558 |
break; |
| 559 |
case FOURCC('s','y','n','c'): |
| 560 |
WriteMacInt32(pb + csParam + 4, 0x01000000); |
| 561 |
break; |
| 562 |
default: |
| 563 |
return statusErr; |
| 564 |
}; |
| 565 |
return noErr; |
| 566 |
} |
| 567 |
|
| 568 |
default: |
| 569 |
D(bug(" unknown control code %d\n", code)); |
| 570 |
return controlErr; |
| 571 |
} |
| 572 |
} |
| 573 |
|
| 574 |
|
| 575 |
/* |
| 576 |
* Video driver status routine |
| 577 |
*/ |
| 578 |
|
| 579 |
// Search for given AppleID in mode table |
| 580 |
static bool has_mode(uint32 id) |
| 581 |
{ |
| 582 |
VideoInfo *p = VModes; |
| 583 |
while (p->viType != DIS_INVALID) { |
| 584 |
if (p->viAppleID == id) |
| 585 |
return true; |
| 586 |
p++; |
| 587 |
} |
| 588 |
return false; |
| 589 |
} |
| 590 |
|
| 591 |
// Find maximum depth for given AppleID |
| 592 |
static uint32 max_depth(uint32 id) |
| 593 |
{ |
| 594 |
uint32 max = APPLE_1_BIT; |
| 595 |
VideoInfo *p = VModes; |
| 596 |
while (p->viType != DIS_INVALID) { |
| 597 |
if (p->viAppleID == id && p->viAppleMode > max) |
| 598 |
max = p->viAppleMode; |
| 599 |
p++; |
| 600 |
} |
| 601 |
return max; |
| 602 |
} |
| 603 |
|
| 604 |
// Get X/Y size of specified resolution |
| 605 |
static void get_size_of_resolution(int id, uint32 &x, uint32 &y) |
| 606 |
{ |
| 607 |
VideoInfo *p = VModes; |
| 608 |
while (p->viType != DIS_INVALID) { |
| 609 |
if (p->viAppleID == id) { |
| 610 |
x = p->viXsize; |
| 611 |
y = p->viYsize; |
| 612 |
return; |
| 613 |
} |
| 614 |
p++; |
| 615 |
} |
| 616 |
x = y = 0; |
| 617 |
} |
| 618 |
|
| 619 |
static int16 VideoStatus(uint32 pb, VidLocals *csSave) |
| 620 |
{ |
| 621 |
int16 code = ReadMacInt16(pb + csCode); |
| 622 |
D(bug("VideoStatus %d: ", code)); |
| 623 |
uint32 param = ReadMacInt32(pb + csParam); |
| 624 |
switch (code) { |
| 625 |
|
| 626 |
case cscGetMode: // GetMode |
| 627 |
D(bug("GetMode\n")); |
| 628 |
WriteMacInt32(param + csBaseAddr, csSave->saveBaseAddr); |
| 629 |
WriteMacInt16(param + csMode, csSave->saveMode); |
| 630 |
WriteMacInt16(param + csPage, csSave->savePage); |
| 631 |
D(bug("return: mode:%04x page:%04x ", ReadMacInt16(param + csMode), |
| 632 |
ReadMacInt16(param + csPage))); |
| 633 |
D(bug("base adress %08lx\n", ReadMacInt32(param + csBaseAddr))); |
| 634 |
return noErr; |
| 635 |
|
| 636 |
case cscGetEntries: { // GetEntries |
| 637 |
D(bug("GetEntries\n")); |
| 638 |
uint32 d_pal = ReadMacInt32(param + csTable); |
| 639 |
uint16 start = ReadMacInt16(param + csStart); |
| 640 |
uint16 count = ReadMacInt16(param + csCount); |
| 641 |
rgb_color *s_pal; |
| 642 |
if ((VModes[cur_mode].viAppleMode == APPLE_32_BIT)|| |
| 643 |
(VModes[cur_mode].viAppleMode == APPLE_16_BIT)) { |
| 644 |
D(bug("ERROR: GetEntries in direct mode \n")); |
| 645 |
return statusErr; |
| 646 |
} |
| 647 |
|
| 648 |
if (start == 0xffff) { // Indexed |
| 649 |
for (uint16 i=0;i<count;i++) { |
| 650 |
s_pal = mac_pal + (ReadMacInt16(d_pal + csValue) & 0xff); |
| 651 |
uint8 red = (*s_pal).red; |
| 652 |
uint8 green = (*s_pal).green; |
| 653 |
uint8 blue = (*s_pal).blue; |
| 654 |
WriteMacInt16(d_pal + csRed, red * 0x0101); |
| 655 |
WriteMacInt16(d_pal + csGreen, green * 0x0101); |
| 656 |
WriteMacInt16(d_pal + csBlue, blue * 0x0101); |
| 657 |
d_pal += 8; |
| 658 |
} |
| 659 |
} else { // Sequential |
| 660 |
if (start + count > 255) |
| 661 |
return paramErr; |
| 662 |
s_pal = mac_pal + start; |
| 663 |
for (uint16 i=0;i<count;i++) { |
| 664 |
uint8 red = (*s_pal).red; |
| 665 |
uint8 green = (*s_pal).green; |
| 666 |
uint8 blue = (*s_pal).blue; |
| 667 |
s_pal++; |
| 668 |
WriteMacInt16(d_pal + csRed, red * 0x0101); |
| 669 |
WriteMacInt16(d_pal + csGreen, green * 0x0101); |
| 670 |
WriteMacInt16(d_pal + csBlue, blue * 0x0101); |
| 671 |
d_pal += 8; |
| 672 |
} |
| 673 |
}; |
| 674 |
return noErr; |
| 675 |
} |
| 676 |
|
| 677 |
case cscGetPageCnt: // GetPage |
| 678 |
D(bug("GetPage\n")); |
| 679 |
WriteMacInt16(param + csPage, 1); |
| 680 |
return noErr; |
| 681 |
|
| 682 |
case cscGetPageBase: // GetPageBase |
| 683 |
D(bug("GetPageBase\n")); |
| 684 |
WriteMacInt32(param + csBaseAddr, csSave->saveBaseAddr); |
| 685 |
return noErr; |
| 686 |
|
| 687 |
case cscGetGray: // GetGray |
| 688 |
D(bug("GetGray\n")); |
| 689 |
WriteMacInt8(param, csSave->luminanceMapping ? 1 : 0); |
| 690 |
return noErr; |
| 691 |
|
| 692 |
case cscGetInterrupt: // GetInterrupt |
| 693 |
D(bug("GetInterrupt\n")); |
| 694 |
WriteMacInt8(param, csSave->interruptsEnabled ? 0 : 1); |
| 695 |
return noErr; |
| 696 |
|
| 697 |
case cscGetGamma: // GetGamma |
| 698 |
D(bug("GetGamma\n")); |
| 699 |
WriteMacInt32(param, (uint32)csSave->gammaTable); |
| 700 |
return noErr; |
| 701 |
|
| 702 |
case cscGetDefaultMode: // GetDefaultMode |
| 703 |
D(bug("GetDefaultMode\n")); |
| 704 |
return statusErr; |
| 705 |
|
| 706 |
case cscGetCurMode: // GetCurMode |
| 707 |
D(bug("GetCurMode\n")); |
| 708 |
WriteMacInt16(param + csMode, csSave->saveMode); |
| 709 |
WriteMacInt32(param + csData, csSave->saveData); |
| 710 |
WriteMacInt16(param + csPage, csSave->savePage); |
| 711 |
WriteMacInt32(param + csBaseAddr, csSave->saveBaseAddr); |
| 712 |
|
| 713 |
D(bug("return: mode:%04x ID:%08lx page:%04x ", ReadMacInt16(param + csMode), |
| 714 |
ReadMacInt32(param + csData), ReadMacInt16(param + csPage))); |
| 715 |
D(bug("base adress %08lx\n", ReadMacInt32(param + csBaseAddr))); |
| 716 |
return noErr; |
| 717 |
|
| 718 |
case cscGetConnection: // GetConnection |
| 719 |
D(bug("GetConnection\n")); |
| 720 |
WriteMacInt16(param + csDisplayType, kMultiModeCRT3Connect); |
| 721 |
WriteMacInt8(param + csConnectTaggedType, 6); |
| 722 |
WriteMacInt8(param + csConnectTaggedData, 0x23); |
| 723 |
WriteMacInt32(param + csConnectFlags, (1<<kAllModesValid)|(1<<kAllModesSafe)); |
| 724 |
WriteMacInt32(param + csDisplayComponent, 0); |
| 725 |
return noErr; |
| 726 |
|
| 727 |
case cscGetModeBaseAddress: |
| 728 |
D(bug("GetModeBaseAddress (obsolete !) \n")); |
| 729 |
return statusErr; |
| 730 |
|
| 731 |
case cscGetPreferredConfiguration: |
| 732 |
D(bug("GetPreferredConfiguration \n")); |
| 733 |
WriteMacInt16(param + csMode, save_conf_mode); |
| 734 |
WriteMacInt32(param + csData, save_conf_id); |
| 735 |
return noErr; |
| 736 |
|
| 737 |
case cscGetNextResolution: { |
| 738 |
D(bug("GetNextResolution \n")); |
| 739 |
int work_id = ReadMacInt32(param + csPreviousDisplayModeID); |
| 740 |
switch (work_id) { |
| 741 |
case kDisplayModeIDCurrent: |
| 742 |
work_id = csSave->saveData; |
| 743 |
break; |
| 744 |
case kDisplayModeIDFindFirstResolution: |
| 745 |
work_id = APPLE_ID_MIN; |
| 746 |
while (!has_mode(work_id)) |
| 747 |
work_id ++; |
| 748 |
break; |
| 749 |
default: |
| 750 |
if (!has_mode(work_id)) |
| 751 |
return paramErr; |
| 752 |
work_id++; |
| 753 |
while (!has_mode(work_id)) { |
| 754 |
work_id++; |
| 755 |
if (work_id > APPLE_ID_MAX) { |
| 756 |
WriteMacInt32(param + csRIDisplayModeID, kDisplayModeIDNoMoreResolutions); |
| 757 |
return noErr; |
| 758 |
} |
| 759 |
} |
| 760 |
break; |
| 761 |
} |
| 762 |
WriteMacInt32(param + csRIDisplayModeID, work_id); |
| 763 |
WriteMacInt16(param + csMaxDepthMode, max_depth(work_id)); |
| 764 |
switch (work_id) { |
| 765 |
case APPLE_640x480: |
| 766 |
WriteMacInt32(param + csHorizontalPixels, 640); |
| 767 |
WriteMacInt32(param + csVerticalLines, 480); |
| 768 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 769 |
break; |
| 770 |
case APPLE_W_640x480: |
| 771 |
WriteMacInt32(param + csHorizontalPixels, 640); |
| 772 |
WriteMacInt32(param + csVerticalLines, 480); |
| 773 |
WriteMacInt32(param + csRefreshRate, 60<<16); |
| 774 |
break; |
| 775 |
case APPLE_800x600: |
| 776 |
WriteMacInt32(param + csHorizontalPixels, 800); |
| 777 |
WriteMacInt32(param + csVerticalLines, 600); |
| 778 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 779 |
break; |
| 780 |
case APPLE_W_800x600: |
| 781 |
WriteMacInt32(param + csHorizontalPixels, 800); |
| 782 |
WriteMacInt32(param + csVerticalLines, 600); |
| 783 |
WriteMacInt32(param + csRefreshRate, 60<<16); |
| 784 |
break; |
| 785 |
case APPLE_1024x768: |
| 786 |
WriteMacInt32(param + csHorizontalPixels, 1024); |
| 787 |
WriteMacInt32(param + csVerticalLines, 768); |
| 788 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 789 |
break; |
| 790 |
case APPLE_1152x768: |
| 791 |
WriteMacInt32(param + csHorizontalPixels, 1152); |
| 792 |
WriteMacInt32(param + csVerticalLines, 768); |
| 793 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 794 |
break; |
| 795 |
case APPLE_1152x900: |
| 796 |
WriteMacInt32(param + csHorizontalPixels, 1152); |
| 797 |
WriteMacInt32(param + csVerticalLines, 900); |
| 798 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 799 |
break; |
| 800 |
case APPLE_1280x1024: |
| 801 |
WriteMacInt32(param + csHorizontalPixels, 1280); |
| 802 |
WriteMacInt32(param + csVerticalLines, 1024); |
| 803 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 804 |
break; |
| 805 |
case APPLE_1600x1200: |
| 806 |
WriteMacInt32(param + csHorizontalPixels, 1600); |
| 807 |
WriteMacInt32(param + csVerticalLines, 1200); |
| 808 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 809 |
break; |
| 810 |
case APPLE_CUSTOM: { |
| 811 |
uint32 x, y; |
| 812 |
get_size_of_resolution(work_id, x, y); |
| 813 |
WriteMacInt32(param + csHorizontalPixels, x); |
| 814 |
WriteMacInt32(param + csVerticalLines, y); |
| 815 |
WriteMacInt32(param + csRefreshRate, 75<<16); |
| 816 |
break; |
| 817 |
} |
| 818 |
} |
| 819 |
return noErr; |
| 820 |
} |
| 821 |
|
| 822 |
case cscGetVideoParameters: // GetVideoParameters |
| 823 |
D(bug("GetVideoParameters ID:%08lx Depth:%04x\n", |
| 824 |
ReadMacInt32(param + csDisplayModeID), |
| 825 |
ReadMacInt16(param + csDepthMode))); |
| 826 |
|
| 827 |
// find right video mode |
| 828 |
for (int i=0; VModes[i].viType!=DIS_INVALID; i++) { |
| 829 |
if ((ReadMacInt16(param + csDepthMode) == VModes[i].viAppleMode) && |
| 830 |
(ReadMacInt32(param + csDisplayModeID) == VModes[i].viAppleID)) { |
| 831 |
uint32 vpb = ReadMacInt32(param + csVPBlockPtr); |
| 832 |
WriteMacInt32(vpb + vpBaseOffset, 0); |
| 833 |
WriteMacInt16(vpb + vpRowBytes, VModes[i].viRowBytes); |
| 834 |
WriteMacInt16(vpb + vpBounds, 0); |
| 835 |
WriteMacInt16(vpb + vpBounds + 2, 0); |
| 836 |
WriteMacInt16(vpb + vpBounds + 4, VModes[i].viYsize); |
| 837 |
WriteMacInt16(vpb + vpBounds + 6, VModes[i].viXsize); |
| 838 |
WriteMacInt16(vpb + vpVersion, 0); // Pixel Map version number |
| 839 |
WriteMacInt16(vpb + vpPackType, 0); |
| 840 |
WriteMacInt32(vpb + vpPackSize, 0); |
| 841 |
WriteMacInt32(vpb + vpHRes, 0x00480000); // horiz res of the device (ppi) |
| 842 |
WriteMacInt32(vpb + vpVRes, 0x00480000); // vert res of the device (ppi) |
| 843 |
switch (VModes[i].viAppleMode) { |
| 844 |
case APPLE_1_BIT: |
| 845 |
WriteMacInt16(vpb + vpPixelType, 0); |
| 846 |
WriteMacInt16(vpb + vpPixelSize, 1); |
| 847 |
WriteMacInt16(vpb + vpCmpCount, 1); |
| 848 |
WriteMacInt16(vpb + vpCmpSize, 1); |
| 849 |
WriteMacInt32(param + csDeviceType, 0); // CLUT |
| 850 |
break; |
| 851 |
case APPLE_2_BIT: |
| 852 |
WriteMacInt16(vpb + vpPixelType, 0); |
| 853 |
WriteMacInt16(vpb + vpPixelSize, 2); |
| 854 |
WriteMacInt16(vpb + vpCmpCount, 1); |
| 855 |
WriteMacInt16(vpb + vpCmpSize, 2); |
| 856 |
WriteMacInt32(param + csDeviceType, 0); // CLUT |
| 857 |
break; |
| 858 |
case APPLE_4_BIT: |
| 859 |
WriteMacInt16(vpb + vpPixelType, 0); |
| 860 |
WriteMacInt16(vpb + vpPixelSize, 4); |
| 861 |
WriteMacInt16(vpb + vpCmpCount, 1); |
| 862 |
WriteMacInt16(vpb + vpCmpSize, 4); |
| 863 |
WriteMacInt32(param + csDeviceType, 0); // CLUT |
| 864 |
break; |
| 865 |
case APPLE_8_BIT: |
| 866 |
WriteMacInt16(vpb + vpPixelType, 0); |
| 867 |
WriteMacInt16(vpb + vpPixelSize, 8); |
| 868 |
WriteMacInt16(vpb + vpCmpCount, 1); |
| 869 |
WriteMacInt16(vpb + vpCmpSize, 8); |
| 870 |
WriteMacInt32(param + csDeviceType, 0); // CLUT |
| 871 |
break; |
| 872 |
case APPLE_16_BIT: |
| 873 |
WriteMacInt16(vpb + vpPixelType, 0x10); |
| 874 |
WriteMacInt16(vpb + vpPixelSize, 16); |
| 875 |
WriteMacInt16(vpb + vpCmpCount, 3); |
| 876 |
WriteMacInt16(vpb + vpCmpSize, 5); |
| 877 |
WriteMacInt32(param + csDeviceType, 2); // DIRECT |
| 878 |
break; |
| 879 |
case APPLE_32_BIT: |
| 880 |
WriteMacInt16(vpb + vpPixelType, 0x10); |
| 881 |
WriteMacInt16(vpb + vpPixelSize, 32); |
| 882 |
WriteMacInt16(vpb + vpCmpCount, 3); |
| 883 |
WriteMacInt16(vpb + vpCmpSize, 8); |
| 884 |
WriteMacInt32(param + csDeviceType, 2); // DIRECT |
| 885 |
break; |
| 886 |
} |
| 887 |
WriteMacInt32(param + csPageCount, 1); |
| 888 |
return noErr; |
| 889 |
} |
| 890 |
} |
| 891 |
return paramErr; |
| 892 |
|
| 893 |
case cscGetModeTiming: |
| 894 |
D(bug("GetModeTiming mode %08lx\n", ReadMacInt32(param + csTimingMode))); |
| 895 |
WriteMacInt32(param + csTimingFormat, kDeclROMtables); |
| 896 |
WriteMacInt32(param + csTimingFlags, (1<<kModeValid)|(1<<kModeSafe)|(1<<kShowModeNow)); // Mode valid, safe, default and shown in Monitors panel |
| 897 |
for (int i=0; VModes[i].viType!=DIS_INVALID; i++) { |
| 898 |
if (ReadMacInt32(param + csTimingMode) == VModes[i].viAppleID) { |
| 899 |
uint32 timing = timingUnknown; |
| 900 |
uint32 flags = (1<<kModeValid) | (1<<kShowModeNow); |
| 901 |
switch (VModes[i].viAppleID) { |
| 902 |
case APPLE_640x480: |
| 903 |
timing = timingVESA_640x480_75hz; |
| 904 |
flags |= (1<<kModeSafe); |
| 905 |
break; |
| 906 |
case APPLE_W_640x480: |
| 907 |
timing = timingVESA_640x480_60hz; |
| 908 |
flags |= (1<<kModeSafe); |
| 909 |
break; |
| 910 |
case APPLE_800x600: |
| 911 |
timing = timingVESA_800x600_75hz; |
| 912 |
flags |= (1<<kModeSafe); |
| 913 |
break; |
| 914 |
case APPLE_W_800x600: |
| 915 |
timing = timingVESA_800x600_60hz; |
| 916 |
flags |= (1<<kModeSafe); |
| 917 |
break; |
| 918 |
case APPLE_1024x768: |
| 919 |
timing = timingVESA_1024x768_75hz; |
| 920 |
break; |
| 921 |
case APPLE_1152x768: |
| 922 |
timing = timingApple_1152x870_75hz; // FIXME |
| 923 |
break; |
| 924 |
case APPLE_1152x900: |
| 925 |
timing = timingApple_1152x870_75hz; |
| 926 |
break; |
| 927 |
case APPLE_1280x1024: |
| 928 |
timing = timingVESA_1280x960_75hz; |
| 929 |
break; |
| 930 |
case APPLE_1600x1200: |
| 931 |
timing = timingVESA_1600x1200_75hz; |
| 932 |
break; |
| 933 |
default: |
| 934 |
timing = timingUnknown; |
| 935 |
break; |
| 936 |
} |
| 937 |
WriteMacInt32(param + csTimingData, timing); |
| 938 |
WriteMacInt32(param + csTimingFlags, flags); |
| 939 |
return noErr; |
| 940 |
} |
| 941 |
} |
| 942 |
return paramErr; |
| 943 |
|
| 944 |
case cscSupportsHardwareCursor: |
| 945 |
D(bug("SupportsHardwareCursor\n")); |
| 946 |
WriteMacInt32(param, csSave->cursorHardware); |
| 947 |
return noErr; |
| 948 |
|
| 949 |
case cscGetHardwareCursorDrawState: |
| 950 |
D(bug("GetHardwareCursorDrawState\n")); |
| 951 |
|
| 952 |
if (!csSave->cursorHardware) |
| 953 |
return statusErr; |
| 954 |
|
| 955 |
WriteMacInt32(param + csCursorX, csSave->cursorX); |
| 956 |
WriteMacInt32(param + csCursorY, csSave->cursorY); |
| 957 |
WriteMacInt32(param + csCursorVisible, csSave->cursorVisible); |
| 958 |
WriteMacInt32(param + csCursorSet, csSave->cursorSet); |
| 959 |
return noErr; |
| 960 |
|
| 961 |
default: |
| 962 |
D(bug(" unknown status code %d\n", code)); |
| 963 |
return statusErr; |
| 964 |
} |
| 965 |
} |
| 966 |
|
| 967 |
|
| 968 |
/* |
| 969 |
* Video driver close routine |
| 970 |
*/ |
| 971 |
|
| 972 |
static int16 VideoClose(uint32 pb, VidLocals *csSave) |
| 973 |
{ |
| 974 |
D(bug("VideoClose\n")); |
| 975 |
|
| 976 |
// Delete interrupt service |
| 977 |
csSave->interruptsEnabled = false; |
| 978 |
VSLDisposeInterruptService(csSave->vslServiceID); |
| 979 |
|
| 980 |
return noErr; |
| 981 |
} |
| 982 |
|
| 983 |
|
| 984 |
/* |
| 985 |
* Native (PCI) driver entry |
| 986 |
*/ |
| 987 |
|
| 988 |
int16 VideoDoDriverIO(uint32 spaceID, uint32 commandID, uint32 commandContents, uint32 commandCode, uint32 commandKind) |
| 989 |
{ |
| 990 |
// D(bug("VideoDoDriverIO space %08x, command %08x, contents %08x, code %d, kind %d\n", spaceID, commandID, commandContents, commandCode, commandKind)); |
| 991 |
int16 err = noErr; |
| 992 |
|
| 993 |
switch (commandCode) { |
| 994 |
case kInitializeCommand: |
| 995 |
case kReplaceCommand: |
| 996 |
if (private_data != NULL) { // Might be left over from a reboot |
| 997 |
if (private_data->gammaTable) |
| 998 |
Mac_sysfree(private_data->gammaTable); |
| 999 |
if (private_data->regEntryID) |
| 1000 |
Mac_sysfree(private_data->regEntryID); |
| 1001 |
} |
| 1002 |
delete private_data; |
| 1003 |
|
| 1004 |
iocic_tvect = FindLibSymbol("\021DriverServicesLib", "\023IOCommandIsComplete"); |
| 1005 |
D(bug("IOCommandIsComplete TVECT at %08lx\n", iocic_tvect)); |
| 1006 |
if (iocic_tvect == 0) { |
| 1007 |
printf("FATAL: VideoDoDriverIO(): Can't find IOCommandIsComplete()\n"); |
| 1008 |
err = -1; |
| 1009 |
break; |
| 1010 |
} |
| 1011 |
vslnewis_tvect = FindLibSymbol("\020VideoServicesLib", "\026VSLNewInterruptService"); |
| 1012 |
D(bug("VSLNewInterruptService TVECT at %08lx\n", vslnewis_tvect)); |
| 1013 |
if (vslnewis_tvect == 0) { |
| 1014 |
printf("FATAL: VideoDoDriverIO(): Can't find VSLNewInterruptService()\n"); |
| 1015 |
err = -1; |
| 1016 |
break; |
| 1017 |
} |
| 1018 |
vsldisposeis_tvect = FindLibSymbol("\020VideoServicesLib", "\032VSLDisposeInterruptService"); |
| 1019 |
D(bug("VSLDisposeInterruptService TVECT at %08lx\n", vsldisposeis_tvect)); |
| 1020 |
if (vsldisposeis_tvect == 0) { |
| 1021 |
printf("FATAL: VideoDoDriverIO(): Can't find VSLDisposeInterruptService()\n"); |
| 1022 |
err = -1; |
| 1023 |
break; |
| 1024 |
} |
| 1025 |
vsldois_tvect = FindLibSymbol("\020VideoServicesLib", "\025VSLDoInterruptService"); |
| 1026 |
D(bug("VSLDoInterruptService TVECT at %08lx\n", vsldois_tvect)); |
| 1027 |
if (vsldois_tvect == 0) { |
| 1028 |
printf("FATAL: VideoDoDriverIO(): Can't find VSLDoInterruptService()\n"); |
| 1029 |
err = -1; |
| 1030 |
break; |
| 1031 |
} |
| 1032 |
nqdmisc_tvect = FindLibSymbol("\014InterfaceLib", "\007NQDMisc"); |
| 1033 |
D(bug("NQDMisc TVECT at %08lx\n", nqdmisc_tvect)); |
| 1034 |
if (nqdmisc_tvect == 0) { |
| 1035 |
printf("FATAL: VideoDoDriverIO(): Can't find NQDMisc()\n"); |
| 1036 |
err = -1; |
| 1037 |
break; |
| 1038 |
} |
| 1039 |
|
| 1040 |
private_data = new VidLocals; |
| 1041 |
private_data->gammaTable = 0; |
| 1042 |
private_data->regEntryID = Mac_sysalloc(sizeof(RegEntryID)); |
| 1043 |
if (private_data->regEntryID == 0) { |
| 1044 |
printf("FATAL: VideoDoDriverIO(): Can't allocate service owner\n"); |
| 1045 |
err = -1; |
| 1046 |
break; |
| 1047 |
} |
| 1048 |
Mac2Mac_memcpy(private_data->regEntryID, commandContents + 2, 16); // DriverInitInfo.deviceEntry |
| 1049 |
private_data->interruptsEnabled = false; // Disable interrupts |
| 1050 |
break; |
| 1051 |
|
| 1052 |
case kFinalizeCommand: |
| 1053 |
case kSupersededCommand: |
| 1054 |
if (private_data != NULL) { |
| 1055 |
if (private_data->gammaTable) |
| 1056 |
Mac_sysfree(private_data->gammaTable); |
| 1057 |
if (private_data->regEntryID) |
| 1058 |
Mac_sysfree(private_data->regEntryID); |
| 1059 |
} |
| 1060 |
delete private_data; |
| 1061 |
private_data = NULL; |
| 1062 |
break; |
| 1063 |
|
| 1064 |
case kOpenCommand: |
| 1065 |
err = VideoOpen(commandContents, private_data); |
| 1066 |
break; |
| 1067 |
|
| 1068 |
case kCloseCommand: |
| 1069 |
err = VideoClose(commandContents, private_data); |
| 1070 |
break; |
| 1071 |
|
| 1072 |
case kControlCommand: |
| 1073 |
err = VideoControl(commandContents, private_data); |
| 1074 |
break; |
| 1075 |
|
| 1076 |
case kStatusCommand: |
| 1077 |
err = VideoStatus(commandContents, private_data); |
| 1078 |
break; |
| 1079 |
|
| 1080 |
case kReadCommand: |
| 1081 |
case kWriteCommand: |
| 1082 |
break; |
| 1083 |
|
| 1084 |
case kKillIOCommand: |
| 1085 |
err = abortErr; |
| 1086 |
break; |
| 1087 |
|
| 1088 |
default: |
| 1089 |
err = paramErr; |
| 1090 |
break; |
| 1091 |
} |
| 1092 |
|
| 1093 |
if (commandKind == kImmediateIOCommandKind) |
| 1094 |
return err; |
| 1095 |
else |
| 1096 |
return IOCommandIsComplete(commandID, err); |
| 1097 |
} |
