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save initial gamma tables 

change default gammaramp to off
This commit is contained in:
kanjitalk755 2020-09-18 10:29:16 +09:00
parent 7313b0284c
commit be17ba9044
1 changed files with 16 additions and 9 deletions
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25
BasiliskII/src/SDL/video_sdl2.cpp
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@ -168,6 +168,12 @@ static SDL_mutex *frame_buffer_lock = NULL;
#define LOCK_FRAME_BUFFER SDL_LockMutex(frame_buffer_lock)
#define UNLOCK_FRAME_BUFFER SDL_UnlockMutex(frame_buffer_lock)
// Initially set gamma tables
static uint16 init_gamma_red[256];
static uint16 init_gamma_green[256];
static uint16 init_gamma_blue[256];
static bool init_gamma_valid;
// Previously set gamma tables
static uint16 last_gamma_red[256];
static uint16 last_gamma_green[256];
@ -1624,19 +1630,20 @@ void VideoQuitFullScreen(void)
static void ApplyGammaRamp() {
if (sdl_window) {
int result;
if (!init_gamma_valid) {
result = SDL_GetWindowGammaRamp(sdl_window, init_gamma_red, init_gamma_green, init_gamma_blue);
if (result < 0)
fprintf(stderr, "SDL_GetWindowGammaRamp returned %d, SDL error: %s\n", result, SDL_GetError());
init_gamma_valid = true;
}
const char *s = PrefsFindString("gammaramp");
if (!s) s = "on";
if (!s) s = "off";
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) {
else
result = SDL_SetWindowGammaRamp(sdl_window, init_gamma_red, init_gamma_green, init_gamma_blue);
if (result < 0)
fprintf(stderr, "SDL_SetWindowGammaRamp returned %d, SDL error: %s\n", result, SDL_GetError());
}
}
}