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AmigaOS: added Video depth/resolution switching

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This commit is contained in:
jlachmann 2001-10-14 18:00:44 +00:00
parent b36675d9c2
commit 583f0cdbbf
5 changed files with 209 additions and 57 deletions
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2
BasiliskII/src/AmigaOS/asm_support.asm
View File

@ -316,6 +316,8 @@ doaline move.l a0,(sp) ;Save a0
addq.l #8,sp ;Remove exception frame from supervisor stack
andi #$d8ff,sr ;Switch to user mode, enable interrupts
and.w #$d8ff,_EmulatedSR ;enable interrupts in EmulatedSR
move.l $28.w,-(sp) ;Jump to MacOS exception handler
rts

1
BasiliskII/src/AmigaOS/sysdeps.h
View File

@ -27,6 +27,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "user_strings_amiga.h"

1
BasiliskII/src/AmigaOS/user_strings_amiga.cpp
View File

@ -37,6 +37,7 @@ user_string_def platform_strings[] = {
{STR_NO_ASL_LIB_ERR, "Cannot open asl.library V36."},
{STR_NO_TIMER_DEV_ERR, "Cannot open timer.device."},
{STR_NO_P96_MODE_ERR, "The selected screen mode is not a Picasso96 or CyberGraphX mode."},
{STR_NO_VIDEO_MODE_ERR, "Cannot obtain selected video mode."},
{STR_WRONG_SCREEN_DEPTH_ERR, "Basilisk II only supports 8, 16 or 24 bit screens."},
{STR_WRONG_SCREEN_FORMAT_ERR, "Basilisk II only supports big-endian chunky ARGB screen modes."},
{STR_NOT_ETHERNET_WARN, "The selected network device is not an Ethernet device. Networking will be disabled."},

1
BasiliskII/src/AmigaOS/user_strings_amiga.h
View File

@ -28,6 +28,7 @@ enum {
STR_NO_ASL_LIB_ERR,
STR_NO_TIMER_DEV_ERR,
STR_NO_P96_MODE_ERR,
STR_NO_VIDEO_MODE_ERR,
STR_WRONG_SCREEN_DEPTH_ERR,
STR_WRONG_SCREEN_FORMAT_ERR,

261
BasiliskII/src/AmigaOS/video_amiga.cpp
View File

@ -62,6 +62,8 @@ static UWORD *null_pointer = NULL; // Blank mouse pointer data
static UWORD *current_pointer = (UWORD *)-1; // Currently visible mouse pointer data
static LONG black_pen = -1, white_pen = -1;
static struct Process *periodic_proc = NULL; // Periodic process
static int window_width, window_height; // width and height for window display
static ULONG screen_mode_id; // mode ID for screen display
extern struct Task *MainTask; // Pointer to main task (from main_amiga.cpp)
@ -88,50 +90,19 @@ static const uint8 keycode2mac[0x80] = {
// Prototypes
static bool video_open(const video_mode &mode);
static void video_close();
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);
/*
* Initialization
*/
// Add resolution to list of supported modes and set VideoMonitor
static void set_video_monitor(uint32 width, uint32 height, uint32 bytes_per_row, int depth)
{
video_mode mode;
mode.x = width;
mode.y = height;
mode.resolution_id = 0x80;
mode.bytes_per_row = bytes_per_row;
switch (depth) {
case 1:
mode.depth = VDEPTH_1BIT;
break;
case 2:
mode.depth = VDEPTH_2BIT;
break;
case 4:
mode.depth = VDEPTH_4BIT;
break;
case 8:
mode.depth = VDEPTH_8BIT;
break;
case 15:
case 16:
mode.depth = VDEPTH_16BIT;
break;
case 24:
case 32:
mode.depth = VDEPTH_32BIT;
break;
}
VideoModes.push_back(mode);
video_init_depth_list();
VideoMonitor.mode = mode;
}
// Open window
static bool init_window(int width, int height)
@ -167,7 +138,6 @@ static bool init_window(int width, int height)
}
// Add resolution and set VideoMonitor
set_video_monitor(width, height, the_bitmap->BytesPerRow, 1);
VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0];
// Set FgPen and BgPen
@ -216,7 +186,7 @@ static bool init_pip(int width, int height)
// Add resolution and set VideoMonitor
VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY);
set_video_monitor(width, height, p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW), 16);
return true;
}
@ -275,6 +245,7 @@ static bool init_screen_p96(ULONG mode_id)
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,
@ -291,8 +262,8 @@ static bool init_screen_p96(ULONG mode_id)
ScreenToFront(the_screen);
// Add resolution and set VideoMonitor
set_video_monitor(width, height, p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW), depth);
VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
return true;
}
@ -350,6 +321,7 @@ static bool init_screen_cgfx(ULONG mode_id)
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,
@ -374,13 +346,16 @@ static bool init_screen_cgfx(ULONG mode_id)
TAG_END
);
UnLockBitMap(handle);
set_video_monitor(width, height, GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD), depth);
VideoMonitor.mac_frame_base = frame_base;
return true;
}
bool VideoInit(bool classic)
{
int default_width, default_height, default_depth;
// Allocate blank mouse pointer data
null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
if (null_pointer == NULL) {
@ -402,17 +377,19 @@ bool VideoInit(bool classic)
// Determine type and mode
display_type = DISPLAY_WINDOW;
int width = 512, height = 384;
ULONG mode_id = 0;
default_width = window_width = 512;
default_height = window_height = 384;
if (mode_str) {
if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
if (sscanf(mode_str, "win/%d/%d", &window_width, &window_height) == 2)
display_type = DISPLAY_WINDOW;
else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
else if (sscanf(mode_str, "pip/%d/%d", &window_width, &window_height) == 2 && P96Base)
display_type = DISPLAY_PIP;
else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base)) {
if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
else if (sscanf(mode_str, "scr/%08lx", &screen_mode_id) == 1 && (CyberGfxBase || P96Base)) {
if (P96Base && p96GetModeIDAttr(screen_mode_id, P96IDA_ISP96))
display_type = DISPLAY_SCREEN_P96;
else if (CyberGfxBase && IsCyberModeID(mode_id))
else if (CyberGfxBase && IsCyberModeID(screen_mode_id))
display_type = DISPLAY_SCREEN_CGFX;
else {
ErrorAlert(STR_NO_P96_MODE_ERR);
@ -421,25 +398,113 @@ bool VideoInit(bool classic)
}
}
// Construct list of supported modes
switch (display_type) {
case DISPLAY_WINDOW:
default_width = window_width;
default_height = window_height;
default_depth = 1;
add_modes(window_width, window_height, VDEPTH_1BIT);
break;
case DISPLAY_PIP:
default_depth = 16;
default_width = window_width;
default_height = window_height;
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 (NULL == handle)
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;
default_depth = dimInfo.MaxDepth;
for (unsigned d=VDEPTH_1BIT; d<=VDEPTH_32BIT; d++)
{
if (INVALID_ID != find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d))))
{
add_modes(default_width, default_height, video_depth(d));
}
}
break;
}
video_init_depth_list();
#if DEBUG
bug("Available video modes:\n");
vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
while (i != end) {
bug(" %dx%d (ID %02x), %d colors\n", i->x, i->y, i->resolution_id, 1 << bits_from_depth(i->depth));
++i;
}
#endif
D(bug("VideoInit: def_width=%ld def_height=%ld def_depth=%ld\n", default_width, default_height, default_depth));
// Find requested default mode and open display
if (VideoModes.size() == 1)
return video_open(VideoModes[0]);
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: w=%ld h=%ld d=%ld\n", i->x, i->y, bits_from_depth(i->depth)));
if (i->x == default_width && i->y == default_height && bits_from_depth(i->depth) == default_depth)
return video_open(*i);
}
return video_open(VideoModes[0]);
}
return true;
}
static bool video_open(const video_mode &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: width=%ld height=%ld depth=%ld ID=%08lx\n", mode.x, mode.y, depth_bits, ID));
if (INVALID_ID == ID)
{
ErrorAlert(STR_NO_VIDEO_MODE_ERR);
return false;
}
VideoMonitor.mode = mode;
// Open display
switch (display_type) {
case DISPLAY_WINDOW:
if (!init_window(width, height))
if (!init_window(mode.x, mode.y))
return false;
break;
case DISPLAY_PIP:
if (!init_pip(width, height))
if (!init_pip(mode.x, mode.y))
return false;
break;
case DISPLAY_SCREEN_P96:
if (!init_screen_p96(mode_id))
if (!init_screen_p96(ID))
return false;
break;
case DISPLAY_SCREEN_CGFX:
if (!init_screen_cgfx(mode_id))
if (!init_screen_cgfx(ID))
return false;
break;
}
@ -455,15 +520,12 @@ bool VideoInit(bool classic)
ErrorAlert(STR_NO_MEM_ERR);
return false;
}
return true;
}
/*
* Deinitialization
*/
void VideoExit(void)
static void video_close()
{
// Stop periodic process
if (periodic_proc) {
@ -488,6 +550,7 @@ void VideoExit(void)
ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);
CloseWindow(the_win);
the_win = NULL;
}
break;
@ -502,7 +565,10 @@ void VideoExit(void)
// Close window
if (the_win)
{
CloseWindow(the_win);
the_win = NULL;
}
// Close screen
if (the_screen) {
@ -515,7 +581,10 @@ void VideoExit(void)
// Close window
if (the_win)
{
CloseWindow(the_win);
the_win = NULL;
}
// Close screen
if (the_screen) {
@ -533,6 +602,16 @@ void VideoExit(void)
}
/*
* Deinitialization
*/
void VideoExit(void)
{
video_close();
}
/*
* Set palette
*/
@ -564,6 +643,13 @@ void video_set_palette(uint8 *pal, int num)
void video_switch_to_mode(const video_mode &mode)
{
// Close and reopen display
video_close();
if (!video_open(mode))
{
ErrorAlert(STR_OPEN_WINDOW_ERR);
QuitEmulator();
}
}
@ -747,3 +833,64 @@ static __saveds void periodic_func(void)
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 windowed 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,
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;
}