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libretro: sgb border option

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f21red 2019-10-05 20:51:59 -05:00 committed by GitHub
parent c50ea6a63f
commit 0a7a0ca5fe
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 2 deletions
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23
libretro/libretro.c
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@ -92,6 +92,7 @@ static unsigned emulated_devices = 1;
static bool initialized = false;
static unsigned screen_layout = 0;
static unsigned audio_out = 0;
static unsigned sgb_border = 1;
static bool geometry_updated = false;
static bool link_cable_emulation = false;
@ -204,6 +205,7 @@ static const struct retro_variable vars_single[] = {
{ "sameboy_color_correction_mode", "Color correction; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode", "High-pass filter; off|accurate|remove dc offset" },
{ "sameboy_model", "Emulated model; Auto|Game Boy|Game Boy Color|Game Boy Advance|Super Game Boy|Super Game Boy 2" },
{ "sameboy_border", "Super Game Boy border; enabled|disabled" },
{ NULL }
};
@ -535,6 +537,16 @@ static void check_variables()
init_for_current_model(0);
}
}
var.key = "sameboy_border";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "enabled") == 0)
sgb_border = 1;
else if (strcmp(var.value, "disabled") == 0)
sgb_border = 0;
}
}
else
{
@ -880,8 +892,15 @@ void retro_run(void)
}
else
{
if (model[0] == MODEL_SGB || model[0] == MODEL_SGB2)
video_cb(frame_buf, SGB_VIDEO_WIDTH, SGB_VIDEO_HEIGHT, SGB_VIDEO_WIDTH * sizeof(uint32_t));
if (model[0] == MODEL_SGB || model[0] == MODEL_SGB2) {
if (sgb_border == 1)
video_cb(frame_buf, SGB_VIDEO_WIDTH, SGB_VIDEO_HEIGHT, SGB_VIDEO_WIDTH * sizeof(uint32_t));
else {
int crop = SGB_VIDEO_WIDTH * ((SGB_VIDEO_HEIGHT - VIDEO_HEIGHT) / 2) + ((SGB_VIDEO_WIDTH - VIDEO_WIDTH) / 2);
video_cb(frame_buf + crop, VIDEO_WIDTH, VIDEO_HEIGHT, SGB_VIDEO_WIDTH * sizeof(uint32_t));
}
}
else
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT, VIDEO_WIDTH * sizeof(uint32_t));
}