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switchable gamma ramp

This commit is contained in:
kanjitalk755 2020-09-13 13:49:48 +09:00
parent 3cf23176f6
commit 21c16f991e
3 changed files with 24 additions and 7 deletions
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29
BasiliskII/src/SDL/video_sdl2.cpp
View File

@ -1618,6 +1618,25 @@ void VideoQuitFullScreen(void)
quit_full_screen = true;
}
static void ApplyGammaRamp() {
if (sdl_window) {
int result;
const char *s = PrefsFindString("gammaramp");
if (!s) s = "on";
if (strcmp(s, "off") && (strcmp(s, "fullscreen") || display_type == DISPLAY_SCREEN))
result = SDL_SetWindowGammaRamp(sdl_window, last_gamma_red, last_gamma_green, last_gamma_blue);
else {
Uint16 ident[256];
for (int i = 0; i < 256; i++)
ident[i] = (i << 8) | i;
result = SDL_SetWindowGammaRamp(sdl_window, ident, ident, ident);
}
if (result < 0) {
fprintf(stderr, "SDL_SetWindowGammaRamp returned %d, SDL error: %s\n", result, SDL_GetError());
}
}
}
static void do_toggle_fullscreen(void)
{
#ifndef USE_CPU_EMUL_SERVICES
@ -1654,6 +1673,7 @@ static void do_toggle_fullscreen(void)
#ifdef SHEEPSHAVER
video_set_palette();
#endif
ApplyGammaRamp();
drv->update_palette();
// reset the video refresh handler
@ -1795,16 +1815,11 @@ void SDL_monitor_desc::set_palette(uint8 *pal, int num_in)
memcmp(green, last_gamma_green, 512) != 0 ||
memcmp(blue, last_gamma_blue, 512) != 0);
if (changed && sdl_window) {
int result = SDL_SetWindowGammaRamp(sdl_window, red, green, blue);
if (result < 0) {
fprintf(stderr, "SDL_SetWindowGammaRamp returned %d, SDL error: %s\n", result, SDL_GetError());
}
if (changed) {
memcpy(last_gamma_red, red, 512);
memcpy(last_gamma_green, green, 512);
memcpy(last_gamma_blue, blue, 512);
ApplyGammaRamp();
}
return;

1
BasiliskII/src/prefs_items.cpp
View File

@ -78,6 +78,7 @@ prefs_desc common_prefs_items[] = {
{"yearofs", TYPE_INT32, 0, "year offset"},
{"dayofs", TYPE_INT32, 0, "day offset"},
{"mag_rate", TYPE_INT32, 0, "rate of magnification"},
{"gammaramp", TYPE_STRING, false, "gamma ramp (on, off or fullscreen)"},
{NULL, TYPE_END, false, NULL} // End of list
};

1
SheepShaver/src/prefs_items.cpp
View File

@ -66,6 +66,7 @@ prefs_desc common_prefs_items[] = {
{"yearofs", TYPE_INT32, 0, "year offset"},
{"dayofs", TYPE_INT32, 0, "day offset"},
{"mag_rate", TYPE_INT32, 0, "rate of magnification"},
{"gammaramp", TYPE_STRING, false, "gamma ramp (on, off or fullscreen)"},
{NULL, TYPE_END, false, NULL} // End of list
};