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SDL: Make default window scale configurable

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This commit is contained in:
Nadia Holmquist Pedersen 2020-08-06 03:08:19 +02:00
parent 5b2eec214b
commit 012b9a2ba0
3 changed files with 75 additions and 31 deletions
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35
SDL/gui.c
View File

@ -170,6 +170,10 @@ void update_viewport(void)
}
}
void rescale_window() {
SDL_SetWindowSize(window, GB_get_screen_width(&gb) * configuration.default_scale, GB_get_screen_height(&gb) * configuration.default_scale);
}
/* Does NOT check for bounds! */
static void draw_char(uint32_t *buffer, unsigned width, unsigned height, unsigned char ch, uint32_t color)
{
@ -435,6 +439,12 @@ const char *current_scaling_mode(unsigned index)
[configuration.scaling_mode];
}
const char *current_default_scale(unsigned index)
{
return (const char *[]){"1x", "2x", "3x", "4x", "5x", "6x", "7x", "8x"}
[configuration.default_scale - 1];
}
const char *current_color_correction_mode(unsigned index)
{
return (const char *[]){"Disabled", "Correct Color Curves", "Emulate Hardware", "Preserve Brightness", "Reduce Contrast"}
@ -475,6 +485,30 @@ void cycle_scaling_backwards(unsigned index)
render_texture(NULL, NULL);
}
void cycle_default_scale(unsigned index)
{
if (configuration.default_scale == GB_SDL_DEFAULT_SCALE_MAX) {
configuration.default_scale = 1;
} else {
configuration.default_scale++;
}
rescale_window();
update_viewport();
}
void cycle_default_scale_backwards(unsigned index)
{
if (configuration.default_scale == 1) {
configuration.default_scale = GB_SDL_DEFAULT_SCALE_MAX;
} else {
configuration.default_scale--;
}
rescale_window();
update_viewport();
}
static void cycle_color_correction(unsigned index)
{
if (configuration.color_correction_mode == GB_COLOR_CORRECTION_REDUCE_CONTRAST) {
@ -643,6 +677,7 @@ const char *blending_mode_string(unsigned index)
static const struct menu_item graphics_menu[] = {
{"Scaling Mode:", cycle_scaling, current_scaling_mode, cycle_scaling_backwards},
{"Default Window Scale:", cycle_default_scale, current_default_scale, cycle_default_scale_backwards},
{"Scaling Filter:", cycle_filter, current_filter_name, cycle_filter_backwards},
{"Color Correction:", cycle_color_correction, current_color_correction_mode, cycle_color_correction_backwards},
{"Frame Blending:", cycle_blending_mode, blending_mode_string, cycle_blending_mode_backwards},

3
SDL/gui.h
View File

@ -41,6 +41,7 @@ enum pending_command {
GB_SDL_QUIT_COMMAND,
};
#define GB_SDL_DEFAULT_SCALE_MAX 8
extern enum pending_command pending_command;
extern unsigned command_parameter;
@ -107,6 +108,8 @@ typedef struct {
GB_border_mode_t border_mode;
uint8_t volume;
GB_rumble_mode_t rumble_mode;
uint8_t default_scale;
} configuration_t;
extern configuration_t configuration;

68
SDL/main.c
View File

@ -624,12 +624,48 @@ int main(int argc, char **argv)
SDL_Init(SDL_INIT_EVERYTHING);
strcpy(prefs_path, resource_path("prefs.bin"));
if (access(prefs_path, R_OK | W_OK) != 0) {
char *prefs_dir = SDL_GetPrefPath("", "SameBoy");
snprintf(prefs_path, sizeof(prefs_path) - 1, "%sprefs.bin", prefs_dir);
SDL_free(prefs_dir);
}
FILE *prefs_file = fopen(prefs_path, "rb");
if (prefs_file) {
fread(&configuration, 1, sizeof(configuration), prefs_file);
fclose(prefs_file);
/* Sanitize for stability */
configuration.color_correction_mode %= GB_COLOR_CORRECTION_REDUCE_CONTRAST +1;
configuration.scaling_mode %= GB_SDL_SCALING_MAX;
configuration.default_scale %= GB_SDL_DEFAULT_SCALE_MAX + 1;
configuration.blending_mode %= GB_FRAME_BLENDING_MODE_ACCURATE + 1;
configuration.highpass_mode %= GB_HIGHPASS_MAX;
configuration.model %= MODEL_MAX;
configuration.sgb_revision %= SGB_MAX;
configuration.dmg_palette %= 3;
configuration.border_mode %= GB_BORDER_ALWAYS + 1;
configuration.rumble_mode %= GB_RUMBLE_ALL_GAMES + 1;
}
if (configuration.model >= MODEL_MAX) {
configuration.model = MODEL_CGB;
}
if (configuration.default_scale == 0) {
configuration.default_scale = 2;
}
atexit(save_configuration);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
printf("scale %d\n", configuration.default_scale);
window = SDL_CreateWindow("SameBoy v" xstr(VERSION), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
160 * 2, 144 * 2, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
160 * configuration.default_scale, 144 * configuration.default_scale, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
SDL_SetWindowMinimumSize(window, 160, 144);
if (fullscreen) {
@ -660,36 +696,6 @@ int main(int argc, char **argv)
SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
strcpy(prefs_path, resource_path("prefs.bin"));
if (access(prefs_path, R_OK | W_OK) != 0) {
char *prefs_dir = SDL_GetPrefPath("", "SameBoy");
snprintf(prefs_path, sizeof(prefs_path) - 1, "%sprefs.bin", prefs_dir);
SDL_free(prefs_dir);
}
FILE *prefs_file = fopen(prefs_path, "rb");
if (prefs_file) {
fread(&configuration, 1, sizeof(configuration), prefs_file);
fclose(prefs_file);
/* Sanitize for stability */
configuration.color_correction_mode %= GB_COLOR_CORRECTION_REDUCE_CONTRAST +1;
configuration.scaling_mode %= GB_SDL_SCALING_MAX;
configuration.blending_mode %= GB_FRAME_BLENDING_MODE_ACCURATE + 1;
configuration.highpass_mode %= GB_HIGHPASS_MAX;
configuration.model %= MODEL_MAX;
configuration.sgb_revision %= SGB_MAX;
configuration.dmg_palette %= 3;
configuration.border_mode %= GB_BORDER_ALWAYS + 1;
configuration.rumble_mode %= GB_RUMBLE_ALL_GAMES + 1;
}
if (configuration.model >= MODEL_MAX) {
configuration.model = MODEL_CGB;
}
atexit(save_configuration);
if (!init_shader_with_name(&shader, configuration.filter)) {
init_shader_with_name(&shader, "NearestNeighbor");
}