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AmigaOS: Improved video mode switching - more strict error checking

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This commit is contained in:
jlachmann 2001-10-16 17:27:52 +00:00
parent 583f0cdbbf
commit e3e86a68a9
4 changed files with 111 additions and 51 deletions
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6
BasiliskII/src/AmigaOS/main_amiga.cpp
View File

@ -188,6 +188,12 @@ int main(int argc, char **argv)
QuitEmulator();
}
if (FindTask((UBYTE *) "« Enforcer »"))
{
ErrorAlert(STR_ENFORCER_RUNNING_ERR);
QuitEmulator();
}
// These two can fail (the respective gfx support won't be available, then)
P96Base = OpenLibrary((UBYTE *)"Picasso96API.library", 2);
CyberGfxBase = OpenLibrary((UBYTE *)"cybergraphics.library", 2);

2
BasiliskII/src/AmigaOS/user_strings_amiga.cpp
View File

@ -40,6 +40,8 @@ user_string_def platform_strings[] = {
{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_ENFORCER_RUNNING_ERR, "Enforcer/CyberGuard is running. Remove and then try again to start Basilisk II."},
{STR_NOT_ETHERNET_WARN, "The selected network device is not an Ethernet device. Networking will be disabled."},
{STR_NO_MULTICAST_WARN, "Your Ethernet card does not support multicast and is not usable with AppleTalk. Please report this to the manufacturer of the card."},
{STR_NO_GTLAYOUT_LIB_WARN, "Cannot open gtlayout.library V39. The preferences editor GUI will not be available."},

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

@ -31,6 +31,7 @@ enum {
STR_NO_VIDEO_MODE_ERR,
STR_WRONG_SCREEN_DEPTH_ERR,
STR_WRONG_SCREEN_FORMAT_ERR,
STR_ENFORCER_RUNNING_ERR,
STR_NOT_ETHERNET_WARN,
STR_NO_MULTICAST_WARN,

153
BasiliskII/src/AmigaOS/video_amiga.cpp
View File

@ -97,6 +97,9 @@ static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 b
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);
/*
@ -197,32 +200,14 @@ static bool init_screen_p96(ULONG mode_id)
ADBSetRelMouseMode(true);
// Check if the mode is one we can handle
uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
switch (depth) {
case 8:
break;
case 15:
case 16:
if (format != RGBFB_R5G5B5) {
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return false;
}
break;
case 24:
case 32:
if (format != RGBFB_A8R8G8B8) {
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return false;
}
break;
default:
ErrorAlert(STR_WRONG_SCREEN_DEPTH_ERR);
return false;
}
if (!check_modeid_p96(mode_id))
{
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return false;
}
// 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);
@ -274,33 +259,14 @@ static bool init_screen_cgfx(ULONG mode_id)
ADBSetRelMouseMode(true);
// Check if the mode is one we can handle
uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
switch (depth) {
case 8:
break;
case 15:
case 16:
// !!! PIXFMT_RGB15 is correct !!!
if (format != PIXFMT_RGB15) {
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return false;
}
break;
case 24:
case 32:
if (format != PIXFMT_ARGB32) {
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return false;
}
break;
default:
ErrorAlert(STR_WRONG_SCREEN_DEPTH_ERR);
return false;
}
if (!check_modeid_cgfx(mode_id))
{
ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
return false;
}
// 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);
@ -429,9 +395,11 @@ bool VideoInit(bool classic)
default_height = 1 + dimInfo.Nominal.MaxY - dimInfo.Nominal.MinY;
default_depth = dimInfo.MaxDepth;
for (unsigned d=VDEPTH_1BIT; d<=VDEPTH_32BIT; d++)
for (unsigned d=VDEPTH_8BIT; d<=VDEPTH_32BIT; d++)
{
if (INVALID_ID != find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d))))
ULONG mode_id = find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d)));
if (is_valid_modeid(display_type, mode_id))
{
add_modes(default_width, default_height, video_depth(d));
}
@ -877,6 +845,7 @@ 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;
@ -894,3 +863,85 @@ static ULONG bits_from_depth(video_depth depth)
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);
if (!p96GetModeIDAttr(screen_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("init_screen_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:
// !!! PIXFMT_RGB15 is correct !!!
if (format != PIXFMT_RGB15)
return false;
break;
case 24:
case 32:
if (format != PIXFMT_ARGB32)
return false;
break;
default:
return false;
}
return true;
}