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macemu/BasiliskII/src/AmigaOS/video_amiga.cpp
gbeauche c8cb4879a4 Happy New Year!
2008-01-01 09:40:36 +00:00

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/*
* video_amiga.cpp - Video/graphics emulation, AmigaOS specific stuff
*
* Basilisk II (C) 1997-2008 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
*/
#include <exec/types.h>
#include <intuition/intuition.h>
#include <graphics/rastport.h>
#include <graphics/gfx.h>
#include <cybergraphics/cybergraphics.h>
#include <dos/dostags.h>
#include <devices/timer.h>
#define __USE_SYSBASE
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/intuition.h>
#include <proto/graphics.h>
#include <proto/Picasso96.h>
#include <proto/cybergraphics.h>
#include <inline/exec.h>
#include <inline/dos.h>
#include <inline/intuition.h>
#include <inline/Picasso96.h>
#include <inline/cybergraphics.h>
#include "sysdeps.h"
#include "cpu_emulation.h"
#include "main.h"
#include "adb.h"
#include "prefs.h"
#include "user_strings.h"
#include "video.h"
#define DEBUG 0
#include "debug.h"
// Supported video modes
static vector<video_mode> VideoModes;
// Display types
enum {
DISPLAY_WINDOW,
DISPLAY_PIP,
DISPLAY_SCREEN_P96,
DISPLAY_SCREEN_CGFX
};
// Global variables
static int32 frame_skip;
static UWORD *null_pointer = NULL; // Blank mouse pointer data
static UWORD *current_pointer = (UWORD *)-1; // Currently visible mouse pointer data
static struct Process *periodic_proc = NULL; // Periodic process
extern struct Task *MainTask; // Pointer to main task (from main_amiga.cpp)
// Amiga -> Mac raw keycode translation table
static const uint8 keycode2mac[0x80] = {
0x0a, 0x12, 0x13, 0x14, 0x15, 0x17, 0x16, 0x1a, // ` 1 2 3 4 5 6 7
0x1c, 0x19, 0x1d, 0x1b, 0x18, 0x2a, 0xff, 0x52, // 8 9 0 - = \ inv 0
0x0c, 0x0d, 0x0e, 0x0f, 0x11, 0x10, 0x20, 0x22, // Q W E R T Y U I
0x1f, 0x23, 0x21, 0x1e, 0xff, 0x53, 0x54, 0x55, // O P [ ] inv 1 2 3
0x00, 0x01, 0x02, 0x03, 0x05, 0x04, 0x26, 0x28, // A S D F G H J K
0x25, 0x29, 0x27, 0x2a, 0xff, 0x56, 0x57, 0x58, // L ; ' # inv 4 5 6
0x32, 0x06, 0x07, 0x08, 0x09, 0x0b, 0x2d, 0x2e, // < Z X C V B N M
0x2b, 0x2f, 0x2c, 0xff, 0x41, 0x59, 0x5b, 0x5c, // , . / inv . 7 8 9
0x31, 0x33, 0x30, 0x4c, 0x24, 0x35, 0x75, 0xff, // SPC BSP TAB ENT RET ESC DEL inv
0xff, 0xff, 0x4e, 0xff, 0x3e, 0x3d, 0x3c, 0x3b, // inv inv - inv CUP CDN CRT CLF
0x7a, 0x78, 0x63, 0x76, 0x60, 0x61, 0x62, 0x64, // F1 F2 F3 F4 F5 F6 F7 F8
0x65, 0x6d, 0x47, 0x51, 0x4b, 0x43, 0x45, 0x72, // F9 F10 ( ) / * + HLP
0x38, 0x38, 0x39, 0x36, 0x3a, 0x3a, 0x37, 0x37, // SHL SHR CAP CTL ALL ALR AML AMR
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // inv inv inv inv inv inv inv inv
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff // inv inv inv inv inv inv inv inv
};
class Amiga_monitor_desc : public monitor_desc {
public:
Amiga_monitor_desc(const vector<video_mode> &available_modes, video_depth default_depth, uint32 default_id, int default_display_type)
: monitor_desc(available_modes, default_depth, default_id), display_type(default_display_type) {};
~Amiga_monitor_desc() {};
virtual void switch_to_current_mode(void);
virtual void set_palette(uint8 *pal, int num);
bool video_open(void);
void video_close(void);
public:
int display_type; // See enum above
};
/*
* Display "driver" classes
*/
class driver_base {
public:
driver_base(Amiga_monitor_desc &m);
virtual ~driver_base();
virtual void set_palette(uint8 *pal, int num) {};
virtual struct BitMap *get_bitmap() { return NULL; };
public:
Amiga_monitor_desc &monitor; // Associated video monitor
const video_mode &mode; // Video mode handled by the driver
BOOL init_ok; // Initialization succeeded (we can't use exceptions because of -fomit-frame-pointer)
struct Window *the_win;
};
class driver_window : public driver_base {
public:
driver_window(Amiga_monitor_desc &m, int width, int height);
~driver_window();
struct BitMap *get_bitmap() { return the_bitmap; };
private:
LONG black_pen, white_pen;
struct BitMap *the_bitmap;
};
class driver_pip : public driver_base {
public:
driver_pip(Amiga_monitor_desc &m, int width, int height);
~driver_pip();
struct BitMap *get_bitmap() { return the_bitmap; };
private:
struct BitMap *the_bitmap;
};
class driver_screen_p96 : public driver_base {
public:
driver_screen_p96(Amiga_monitor_desc &m, ULONG mode_id);
~driver_screen_p96();
void set_palette(uint8 *pal, int num);
private:
struct Screen *the_screen;
};
class driver_screen_cgfx : public driver_base {
public:
driver_screen_cgfx(Amiga_monitor_desc &m, ULONG mode_id);
~driver_screen_cgfx();
void set_palette(uint8 *pal, int num);
private:
struct Screen *the_screen;
};
static driver_base *drv = NULL; // Pointer to currently used driver object
// Prototypes
static void periodic_func(void);
static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth);
static void add_modes(uint32 width, uint32 height, video_depth depth);
static ULONG find_mode_for_depth(uint32 width, uint32 height, uint32 depth);
static ULONG bits_from_depth(video_depth depth);
static bool is_valid_modeid(int display_type, ULONG mode_id);
static bool check_modeid_p96(ULONG mode_id);
static bool check_modeid_cgfx(ULONG mode_id);
/*
* Initialization
*/
bool VideoInit(bool classic)
{
video_depth default_depth = VDEPTH_1BIT;
int default_width, default_height;
int default_display_type = DISPLAY_WINDOW;
int window_width, window_height; // width and height for window display
ULONG screen_mode_id; // mode ID for screen display
// Allocate blank mouse pointer data
null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
if (null_pointer == NULL) {
ErrorAlert(STR_NO_MEM_ERR);
return false;
}
// Read frame skip prefs
frame_skip = PrefsFindInt32("frameskip");
if (frame_skip == 0)
frame_skip = 1;
// Get screen mode from preferences
const char *mode_str;
if (classic)
mode_str = "win/512/342";
else
mode_str = PrefsFindString("screen");
default_width = window_width = 512;
default_height = window_height = 384;
if (mode_str) {
if (sscanf(mode_str, "win/%d/%d", &window_width, &window_height) == 2)
default_display_type = DISPLAY_WINDOW;
else if (sscanf(mode_str, "pip/%d/%d", &window_width, &window_height) == 2 && P96Base)
default_display_type = DISPLAY_PIP;
else if (sscanf(mode_str, "scr/%08lx", &screen_mode_id) == 1 && (CyberGfxBase || P96Base)) {
if (P96Base && p96GetModeIDAttr(screen_mode_id, P96IDA_ISP96))
default_display_type = DISPLAY_SCREEN_P96;
else if (CyberGfxBase && IsCyberModeID(screen_mode_id))
default_display_type = DISPLAY_SCREEN_CGFX;
else {
ErrorAlert(STR_NO_P96_MODE_ERR);
return false;
}
}
}
D(bug("default_display_type %d, window_width %d, window_height %d\n", default_display_type, window_width, window_height));
// Construct list of supported modes
switch (default_display_type) {
case DISPLAY_WINDOW:
default_width = window_width;
default_height = window_height;
default_depth = VDEPTH_1BIT;
add_modes(window_width, window_height, VDEPTH_1BIT);
break;
case DISPLAY_PIP:
default_width = window_width;
default_height = window_height;
default_depth = VDEPTH_16BIT;
add_modes(window_width, window_height, VDEPTH_16BIT);
break;
case DISPLAY_SCREEN_P96:
case DISPLAY_SCREEN_CGFX:
struct DimensionInfo dimInfo;
DisplayInfoHandle handle = FindDisplayInfo(screen_mode_id);
if (handle == NULL)
return false;
if (GetDisplayInfoData(handle, (UBYTE *) &dimInfo, sizeof(dimInfo), DTAG_DIMS, 0) <= 0)
return false;
default_width = 1 + dimInfo.Nominal.MaxX - dimInfo.Nominal.MinX;
default_height = 1 + dimInfo.Nominal.MaxY - dimInfo.Nominal.MinY;
switch (dimInfo.MaxDepth) {
case 1:
default_depth = VDEPTH_1BIT;
break;
case 8:
default_depth = VDEPTH_8BIT;
break;
case 15:
case 16:
default_depth = VDEPTH_16BIT;
break;
case 24:
case 32:
default_depth = VDEPTH_32BIT;
break;
}
for (unsigned d=VDEPTH_8BIT; d<=VDEPTH_32BIT; d++) {
ULONG mode_id = find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d)));
if (is_valid_modeid(default_display_type, mode_id))
add_modes(default_width, default_height, video_depth(d));
}
break;
}
#if DEBUG
bug("Available video modes:\n");
vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
while (i != end) {
bug(" %ld x %ld (ID %02lx), %ld colors\n", i->x, i->y, i->resolution_id, 1 << bits_from_depth(i->depth));
++i;
}
#endif
D(bug("VideoInit/%ld: def_width=%ld def_height=%ld def_depth=%ld\n", \
__LINE__, default_width, default_height, default_depth));
// Find requested default mode and open display
if (VideoModes.size() == 1) {
uint32 default_id ;
// Create Amiga_monitor_desc for this (the only) display
default_id = VideoModes[0].resolution_id;
D(bug("VideoInit/%ld: default_id=%ld\n", __LINE__, default_id));
Amiga_monitor_desc *monitor = new Amiga_monitor_desc(VideoModes, default_depth, default_id, default_display_type);
VideoMonitors.push_back(monitor);
// Open display
return monitor->video_open();
} else {
// Find mode with specified dimensions
std::vector<video_mode>::const_iterator i, end = VideoModes.end();
for (i = VideoModes.begin(); i != end; ++i) {
D(bug("VideoInit/%ld: w=%ld h=%ld d=%ld\n", __LINE__, i->x, i->y, bits_from_depth(i->depth)));
if (i->x == default_width && i->y == default_height && i->depth == default_depth) {
// Create Amiga_monitor_desc for this (the only) display
uint32 default_id = i->resolution_id;
D(bug("VideoInit/%ld: default_id=%ld\n", __LINE__, default_id));
Amiga_monitor_desc *monitor = new Amiga_monitor_desc(VideoModes, default_depth, default_id, default_display_type);
VideoMonitors.push_back(monitor);
// Open display
return monitor->video_open();
}
}
// Create Amiga_monitor_desc for this (the only) display
uint32 default_id = VideoModes[0].resolution_id;
D(bug("VideoInit/%ld: default_id=%ld\n", __LINE__, default_id));
Amiga_monitor_desc *monitor = new Amiga_monitor_desc(VideoModes, default_depth, default_id, default_display_type);
VideoMonitors.push_back(monitor);
// Open display
return monitor->video_open();
}
return true;
}
bool Amiga_monitor_desc::video_open()
{
const video_mode &mode = get_current_mode();
ULONG depth_bits = bits_from_depth(mode.depth);
ULONG ID = find_mode_for_depth(mode.x, mode.y, depth_bits);
D(bug("video_open/%ld: width=%ld height=%ld depth=%ld ID=%08lx\n", __LINE__, mode.x, mode.y, depth_bits, ID));
if (ID == INVALID_ID) {
ErrorAlert(STR_NO_VIDEO_MODE_ERR);
return false;
}
D(bug("video_open/%ld: display_type=%ld\n", __LINE__, display_type));
// Open display
switch (display_type) {
case DISPLAY_WINDOW:
drv = new driver_window(*this, mode.x, mode.y);
break;
case DISPLAY_PIP:
drv = new driver_pip(*this, mode.x, mode.y);
break;
case DISPLAY_SCREEN_P96:
drv = new driver_screen_p96(*this, ID);
break;
case DISPLAY_SCREEN_CGFX:
drv = new driver_screen_cgfx(*this, ID);
break;
}
D(bug("video_open/%ld: drv=%08lx\n", __LINE__, drv));
if (drv == NULL)
return false;
D(bug("video_open/%ld: init_ok=%ld\n", __LINE__, drv->init_ok));
if (!drv->init_ok) {
delete drv;
drv = NULL;
return false;
}
// Start periodic process
periodic_proc = CreateNewProcTags(
NP_Entry, (ULONG)periodic_func,
NP_Name, (ULONG)"Basilisk II IDCMP Handler",
NP_Priority, 0,
TAG_END
);
D(bug("video_open/%ld: periodic_proc=%08lx\n", __LINE__, periodic_proc));
if (periodic_proc == NULL) {
ErrorAlert(STR_NO_MEM_ERR);
return false;
}
return true;
}
void Amiga_monitor_desc::video_close()
{
// Stop periodic process
if (periodic_proc) {
SetSignal(0, SIGF_SINGLE);
Signal(&periodic_proc->pr_Task, SIGBREAKF_CTRL_C);
Wait(SIGF_SINGLE);
}
delete drv;
drv = NULL;
// Free mouse pointer
if (null_pointer) {
FreeMem(null_pointer, 12);
null_pointer = NULL;
}
}
/*
* Deinitialization
*/
void VideoExit(void)
{
// Close displays
vector<monitor_desc *>::iterator i, end = VideoMonitors.end();
for (i = VideoMonitors.begin(); i != end; ++i)
dynamic_cast<Amiga_monitor_desc *>(*i)->video_close();
}
/*
* Set palette
*/
void Amiga_monitor_desc::set_palette(uint8 *pal, int num)
{
drv->set_palette(pal, num);
}
/*
* Switch video mode
*/
void Amiga_monitor_desc::switch_to_current_mode()
{
// Close and reopen display
video_close();
if (!video_open()) {
ErrorAlert(STR_OPEN_WINDOW_ERR);
QuitEmulator();
}
}
/*
* Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
*/
void VideoQuitFullScreen(void)
{
}
/*
* Video message handling (not neccessary under AmigaOS, handled by periodic_func())
*/
void VideoInterrupt(void)
{
}
/*
* Process for window refresh and message handling
*/
static __saveds void periodic_func(void)
{
struct MsgPort *timer_port = NULL;
struct timerequest *timer_io = NULL;
struct IntuiMessage *msg;
ULONG win_mask = 0, timer_mask = 0;
D(bug("periodic_func/%ld: \n", __LINE__));
// Create message port for window and attach it
struct MsgPort *win_port = CreateMsgPort();
if (win_port) {
win_mask = 1 << win_port->mp_SigBit;
drv->the_win->UserPort = win_port;
ModifyIDCMP(drv->the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY |
((drv->monitor.display_type == DISPLAY_SCREEN_P96 || drv->monitor.display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
}
D(bug("periodic_func/%ld: \n", __LINE__));
// Start 60Hz timer for window refresh
if (drv->monitor.display_type == DISPLAY_WINDOW) {
timer_port = CreateMsgPort();
if (timer_port) {
timer_io = (struct timerequest *)CreateIORequest(timer_port, sizeof(struct timerequest));
if (timer_io) {
if (!OpenDevice((UBYTE *) TIMERNAME, UNIT_MICROHZ, (struct IORequest *)timer_io, 0)) {
timer_mask = 1 << timer_port->mp_SigBit;
timer_io->tr_node.io_Command = TR_ADDREQUEST;
timer_io->tr_time.tv_secs = 0;
timer_io->tr_time.tv_micro = 16667 * frame_skip;
SendIO((struct IORequest *)timer_io);
}
}
}
}
D(bug("periodic_func/%ld: \n", __LINE__));
// Main loop
for (;;) {
const video_mode &mode = drv->monitor.get_current_mode();
// Wait for timer and/or window (CTRL_C is used for quitting the task)
ULONG sig = Wait(win_mask | timer_mask | SIGBREAKF_CTRL_C);
if (sig & SIGBREAKF_CTRL_C)
break;
// D(bug("periodic_func/%ld: display_type=%ld the_win=%08lx\n", __LINE__, drv->monitor.display_type, drv->the_win));
if (sig & timer_mask) {
if (drv->get_bitmap()) {
// Timer tick, update display
BltTemplate(drv->get_bitmap()->Planes[0], 0,
drv->get_bitmap()->BytesPerRow, drv->the_win->RPort,
drv->the_win->BorderLeft, drv->the_win->BorderTop,
mode.x, mode.y);
}
// Restart timer
timer_io->tr_node.io_Command = TR_ADDREQUEST;
timer_io->tr_time.tv_secs = 0;
timer_io->tr_time.tv_micro = 16667 * frame_skip;
SendIO((struct IORequest *)timer_io);
}
if (sig & win_mask) {
// Handle window messages
while (msg = (struct IntuiMessage *)GetMsg(win_port)) {
// Get data from message and reply
ULONG cl = msg->Class;
UWORD code = msg->Code;
UWORD qualifier = msg->Qualifier;
WORD mx = msg->MouseX;
WORD my = msg->MouseY;
ReplyMsg((struct Message *)msg);
// Handle message according to class
switch (cl) {
case IDCMP_MOUSEMOVE:
switch (drv->monitor.display_type) {
case DISPLAY_SCREEN_P96:
case DISPLAY_SCREEN_CGFX:
// D(bug("periodic_func/%ld: IDCMP_MOUSEMOVE mx=%ld my=%ld\n", __LINE__, mx, my));
ADBMouseMoved(mx, my);
break;
default:
// D(bug("periodic_func/%ld: IDCMP_MOUSEMOVE mx=%ld my=%ld\n", __LINE__, mx - drv->the_win->BorderLeft, my - drv->the_win->BorderTop));
ADBMouseMoved(mx - drv->the_win->BorderLeft, my - drv->the_win->BorderTop);
if (mx < drv->the_win->BorderLeft
|| my < drv->the_win->BorderTop
|| mx >= drv->the_win->BorderLeft + mode.x
|| my >= drv->the_win->BorderTop + mode.y) {
if (current_pointer) {
ClearPointer(drv->the_win);
current_pointer = NULL;
}
} else {
if (current_pointer != null_pointer) {
// Hide mouse pointer inside window
SetPointer(drv->the_win, null_pointer, 1, 16, 0, 0);
current_pointer = null_pointer;
}
}
break;
}
break;
case IDCMP_MOUSEBUTTONS:
if (code == SELECTDOWN)
ADBMouseDown(0);
else if (code == SELECTUP)
ADBMouseUp(0);
else if (code == MENUDOWN)
ADBMouseDown(1);
else if (code == MENUUP)
ADBMouseUp(1);
else if (code == MIDDLEDOWN)
ADBMouseDown(2);
else if (code == MIDDLEUP)
ADBMouseUp(2);
break;
case IDCMP_RAWKEY:
if (qualifier & IEQUALIFIER_REPEAT) // Keyboard repeat is done by MacOS
break;
if ((qualifier & (IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL)) ==
(IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL) && code == 0x5f) {
SetInterruptFlag(INTFLAG_NMI);
TriggerInterrupt();
break;
}
if (code & IECODE_UP_PREFIX)
ADBKeyUp(keycode2mac[code & 0x7f]);
else
ADBKeyDown(keycode2mac[code & 0x7f]);
break;
}
}
}
}
D(bug("periodic_func/%ld: \n", __LINE__));
// Stop timer
if (timer_io) {
if (!CheckIO((struct IORequest *)timer_io))
AbortIO((struct IORequest *)timer_io);
WaitIO((struct IORequest *)timer_io);
CloseDevice((struct IORequest *)timer_io);
DeleteIORequest(timer_io);
}
if (timer_port)
DeleteMsgPort(timer_port);
// Remove port from window and delete it
Forbid();
msg = (struct IntuiMessage *)win_port->mp_MsgList.lh_Head;
struct Node *succ;
while (succ = msg->ExecMessage.mn_Node.ln_Succ) {
if (msg->IDCMPWindow == drv->the_win) {
Remove((struct Node *)msg);
ReplyMsg((struct Message *)msg);
}
msg = (struct IntuiMessage *)succ;
}
drv->the_win->UserPort = NULL;
ModifyIDCMP(drv->the_win, 0);
Permit();
DeleteMsgPort(win_port);
// Main task asked for termination, send signal
Forbid();
Signal(MainTask, SIGF_SINGLE);
}
// Add mode to list of supported modes
static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth)
{
video_mode mode;
mode.x = width;
mode.y = height;
mode.resolution_id = resolution_id;
mode.bytes_per_row = bytes_per_row;
mode.depth = depth;
D(bug("Added video mode: w=%ld h=%ld d=%ld\n", width, height, depth));
VideoModes.push_back(mode);
}
// Add standard list of modes for given color depth
static void add_modes(uint32 width, uint32 height, video_depth depth)
{
D(bug("add_modes: w=%ld h=%ld d=%ld\n", width, height, depth));
if (width >= 512 && height >= 384)
add_mode(512, 384, 0x80, TrivialBytesPerRow(512, depth), depth);
if (width >= 640 && height >= 480)
add_mode(640, 480, 0x81, TrivialBytesPerRow(640, depth), depth);
if (width >= 800 && height >= 600)
add_mode(800, 600, 0x82, TrivialBytesPerRow(800, depth), depth);
if (width >= 1024 && height >= 768)
add_mode(1024, 768, 0x83, TrivialBytesPerRow(1024, depth), depth);
if (width >= 1152 && height >= 870)
add_mode(1152, 870, 0x84, TrivialBytesPerRow(1152, depth), depth);
if (width >= 1280 && height >= 1024)
add_mode(1280, 1024, 0x85, TrivialBytesPerRow(1280, depth), depth);
if (width >= 1600 && height >= 1200)
add_mode(1600, 1200, 0x86, TrivialBytesPerRow(1600, depth), depth);
}
static ULONG find_mode_for_depth(uint32 width, uint32 height, uint32 depth)
{
ULONG ID = BestModeID(BIDTAG_NominalWidth, width,
BIDTAG_NominalHeight, height,
BIDTAG_Depth, depth,
BIDTAG_DIPFMustNotHave, DIPF_IS_ECS | DIPF_IS_HAM | DIPF_IS_AA,
TAG_END);
return ID;
}
static ULONG bits_from_depth(video_depth depth)
{
int bits = 1 << depth;
if (bits == 16)
bits = 15;
else if (bits == 32)
bits = 24;
return bits;
}
static bool is_valid_modeid(int display_type, ULONG mode_id)
{
if (INVALID_ID == mode_id)
return false;
switch (display_type) {
case DISPLAY_SCREEN_P96:
return check_modeid_p96(mode_id);
break;
case DISPLAY_SCREEN_CGFX:
return check_modeid_cgfx(mode_id);
break;
default:
return false;
break;
}
}
static bool check_modeid_p96(ULONG mode_id)
{
// Check if the mode is one we can handle
uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
D(bug("check_modeid_p96: mode_id=%08lx depth=%ld format=%ld\n", mode_id, depth, format));
if (!p96GetModeIDAttr(mode_id, P96IDA_ISP96))
return false;
switch (depth) {
case 8:
break;
case 15:
case 16:
if (format != RGBFB_R5G5B5)
return false;
break;
case 24:
case 32:
if (format != RGBFB_A8R8G8B8)
return false;
break;
default:
return false;
}
return true;
}
static bool check_modeid_cgfx(ULONG mode_id)
{
uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
D(bug("check_modeid_cgfx: mode_id=%08lx depth=%ld format=%ld\n", mode_id, depth, format));
if (!IsCyberModeID(mode_id))
return false;
switch (depth) {
case 8:
break;
case 15:
case 16:
if (format != PIXFMT_RGB15)
return false;
break;
case 24:
case 32:
if (format != PIXFMT_ARGB32)
return false;
break;
default:
return false;
}
return true;
}
driver_base::driver_base(Amiga_monitor_desc &m)
: monitor(m), mode(m.get_current_mode()), init_ok(false)
{
}
driver_base::~driver_base()
{
}
// Open window
driver_window::driver_window(Amiga_monitor_desc &m, int width, int height)
: black_pen(-1), white_pen(-1), driver_base(m)
{
// Set absolute mouse mode
ADBSetRelMouseMode(false);
// Open window
the_win = OpenWindowTags(NULL,
WA_Left, 0, WA_Top, 0,
WA_InnerWidth, width, WA_InnerHeight, height,
WA_SimpleRefresh, true,
WA_NoCareRefresh, true,
WA_Activate, true,
WA_RMBTrap, true,
WA_ReportMouse, true,
WA_DragBar, true,
WA_DepthGadget, true,
WA_SizeGadget, false,
WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
TAG_END
);
if (the_win == NULL) {
init_ok = false;
ErrorAlert(STR_OPEN_WINDOW_ERR);
return;
}
// Create bitmap ("height + 2" for safety)
the_bitmap = AllocBitMap(width, height + 2, 1, BMF_CLEAR, NULL);
if (the_bitmap == NULL) {
init_ok = false;
ErrorAlert(STR_NO_MEM_ERR);
return;
}
// Add resolution and set VideoMonitor
monitor.set_mac_frame_base((uint32)the_bitmap->Planes[0]);
// Set FgPen and BgPen
black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
white_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0xffffffff, 0xffffffff, 0xffffffff, NULL);
SetAPen(the_win->RPort, black_pen);
SetBPen(the_win->RPort, white_pen);
SetDrMd(the_win->RPort, JAM2);
init_ok = true;
}
driver_window::~driver_window()
{
// Window mode, free bitmap
if (the_bitmap) {
WaitBlit();
FreeBitMap(the_bitmap);
}
// Free pens and close window
if (the_win) {
ReleasePen(the_win->WScreen->ViewPort.ColorMap, black_pen);
ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);
CloseWindow(the_win);
the_win = NULL;
}
}
// Open PIP (requires Picasso96)
driver_pip::driver_pip(Amiga_monitor_desc &m, int width, int height)
: driver_base(m)
{
// Set absolute mouse mode
ADBSetRelMouseMode(false);
D(bug("driver_pip(%d,%d)\n", width, height));
// Open window
ULONG error = 0;
the_win = p96PIP_OpenTags(
P96PIP_SourceFormat, RGBFB_R5G5B5,
P96PIP_SourceWidth, width,
P96PIP_SourceHeight, height,
P96PIP_ErrorCode, (ULONG)&error,
P96PIP_AllowCropping, true,
WA_Left, 0, WA_Top, 0,
WA_InnerWidth, width, WA_InnerHeight, height,
WA_SimpleRefresh, true,
WA_NoCareRefresh, true,
WA_Activate, true,
WA_RMBTrap, true,
WA_ReportMouse, true,
WA_DragBar, true,
WA_DepthGadget, true,
WA_SizeGadget, false,
WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
WA_PubScreenName, (ULONG)"Workbench",
TAG_END
);
if (the_win == NULL || error) {
init_ok = false;
ErrorAlert(STR_OPEN_WINDOW_ERR);
return;
}
// Find bitmap
p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END);
// Add resolution and set VideoMonitor
monitor.set_mac_frame_base(p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY));
init_ok = true;
}
driver_pip::~driver_pip()
{
// Close PIP
if (the_win)
p96PIP_Close(the_win);
}
// Open Picasso96 screen
driver_screen_p96::driver_screen_p96(Amiga_monitor_desc &m, ULONG mode_id)
: driver_base(m)
{
// Set relative mouse mode
ADBSetRelMouseMode(true);
// Check if the mode is one we can handle
if (!check_modeid_p96(mode_id))
{
init_ok = false;
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return;
}
// Yes, get width and height
uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
// Open screen
the_screen = p96OpenScreenTags(
P96SA_DisplayID, mode_id,
P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
P96SA_Quiet, true,
P96SA_NoMemory, true,
P96SA_NoSprite, true,
P96SA_Exclusive, true,
TAG_END
);
if (the_screen == NULL) {
ErrorAlert(STR_OPEN_SCREEN_ERR);
init_ok = false;
return;
}
// Open window
the_win = OpenWindowTags(NULL,
WA_Left, 0, WA_Top, 0,
WA_Width, width, WA_Height, height,
WA_SimpleRefresh, true,
WA_NoCareRefresh, true,
WA_Borderless, true,
WA_Activate, true,
WA_RMBTrap, true,
WA_ReportMouse, true,
WA_CustomScreen, (ULONG)the_screen,
TAG_END
);
if (the_win == NULL) {
ErrorAlert(STR_OPEN_WINDOW_ERR);
init_ok = false;
return;
}
ScreenToFront(the_screen);
// Add resolution and set VideoMonitor
monitor.set_mac_frame_base(p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY));
init_ok = true;
}
driver_screen_p96::~driver_screen_p96()
{
// Close window
if (the_win)
{
CloseWindow(the_win);
the_win = NULL;
}
// Close screen
if (the_screen) {
p96CloseScreen(the_screen);
the_screen = NULL;
}
}
void driver_screen_p96::set_palette(uint8 *pal, int num)
{
// Convert palette to 32 bits
ULONG table[2 + 256 * 3];
table[0] = num << 16;
table[num * 3 + 1] = 0;
for (int i=0; i<num; i++) {
table[i*3+1] = pal[i*3] * 0x01010101;
table[i*3+2] = pal[i*3+1] * 0x01010101;
table[i*3+3] = pal[i*3+2] * 0x01010101;
}
// And load it
LoadRGB32(&the_screen->ViewPort, table);
}
// Open CyberGraphX screen
driver_screen_cgfx::driver_screen_cgfx(Amiga_monitor_desc &m, ULONG mode_id)
: driver_base(m)
{
D(bug("driver_screen_cgfx/%ld: mode_id=%08lx\n", __LINE__, mode_id));
// Set absolute mouse mode
ADBSetRelMouseMode(true);
// Check if the mode is one we can handle
if (!check_modeid_cgfx(mode_id))
{
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
init_ok = false;
return;
}
// Yes, get width and height
uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
// Open screen
the_screen = OpenScreenTags(NULL,
SA_DisplayID, mode_id,
SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
SA_Quiet, true,
SA_Exclusive, true,
TAG_END
);
if (the_screen == NULL) {
ErrorAlert(STR_OPEN_SCREEN_ERR);
init_ok = false;
return;
}
// Open window
the_win = OpenWindowTags(NULL,
WA_Left, 0, WA_Top, 0,
WA_Width, width, WA_Height, height,
WA_SimpleRefresh, true,
WA_NoCareRefresh, true,
WA_Borderless, true,
WA_Activate, true,
WA_RMBTrap, true,
WA_ReportMouse, true,
WA_CustomScreen, (ULONG)the_screen,
TAG_END
);
if (the_win == NULL) {
ErrorAlert(STR_OPEN_WINDOW_ERR);
init_ok = false;
return;
}
ScreenToFront(the_screen);
static UWORD ptr[] = { 0, 0, 0, 0 };
SetPointer(the_win, ptr, 0, 0, 0, 0); // Hide mouse pointer
// Set VideoMonitor
ULONG frame_base;
APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
LBMI_BASEADDRESS, (ULONG)&frame_base,
TAG_END
);
UnLockBitMap(handle);
D(bug("driver_screen_cgfx/%ld: frame_base=%08lx\n", __LINE__, frame_base));
monitor.set_mac_frame_base(frame_base);
init_ok = true;
}
driver_screen_cgfx::~driver_screen_cgfx()
{
D(bug("~driver_screen_cgfx/%ld: \n", __LINE__));
// Close window
if (the_win)
{
CloseWindow(the_win);
the_win = NULL;
}
// Close screen
if (the_screen) {
CloseScreen(the_screen);
the_screen = NULL;
}
}
void driver_screen_cgfx::set_palette(uint8 *pal, int num)
{
// Convert palette to 32 bits
ULONG table[2 + 256 * 3];
table[0] = num << 16;
table[num * 3 + 1] = 0;
for (int i=0; i<num; i++) {
table[i*3+1] = pal[i*3] * 0x01010101;
table[i*3+2] = pal[i*3+1] * 0x01010101;
table[i*3+3] = pal[i*3+2] * 0x01010101;
}
// And load it
LoadRGB32(&the_screen->ViewPort, table);
}
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