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Add simple DMG shader

This commit is contained in:
Maximilian Mader 2018-05-23 17:05:19 +02:00
parent d95ad1ca54
commit de43ac4cfb
Signed by: Max
GPG Key ID: F71D56A3151C4FB3
3 changed files with 97 additions and 57 deletions
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31
Cocoa/GBPreferencesWindow.m
View File

@ -29,6 +29,7 @@
@"Bilinear",
@"SmoothBilinear",
@"LCD",
@"DMG",
@"Scale2x",
@"Scale4x",
@"AAScale2x",
@ -155,7 +156,7 @@
else {
[self keyUp:event];
}
previousModifiers = event.modifierFlags;
}
@ -237,21 +238,21 @@
else if (![joystick_being_configured isEqualToString:joystick_name]) {
return;
}
NSMutableDictionary *all_mappings = [[[NSUserDefaults standardUserDefaults] dictionaryForKey:@"GBJoypadMappings"] mutableCopy];
if (!all_mappings) {
all_mappings = [[NSMutableDictionary alloc] init];
}
NSMutableDictionary *mapping = [[all_mappings objectForKey:joystick_name] mutableCopy];
if (!mapping) {
mapping = [[NSMutableDictionary alloc] init];
}
mapping[GBButtonNames[joystick_configuration_state]] = @(button);
all_mappings[joystick_name] = mapping;
[[NSUserDefaults standardUserDefaults] setObject:all_mappings forKey:@"GBJoypadMappings"];
[self advanceConfigurationStateMachine];
@ -267,31 +268,31 @@
else if (![joystick_being_configured isEqualToString:joystick_name]) {
return;
}
if (last_axis == -1) {
last_axis = axis;
return;
}
if (axis == last_axis) {
return;
}
NSMutableDictionary *all_mappings = [[[NSUserDefaults standardUserDefaults] dictionaryForKey:@"GBJoypadMappings"] mutableCopy];
if (!all_mappings) {
all_mappings = [[NSMutableDictionary alloc] init];
}
NSMutableDictionary *mapping = [[all_mappings objectForKey:joystick_name] mutableCopy];
if (!mapping) {
mapping = [[NSMutableDictionary alloc] init];
}
mapping[@"XAxis"] = @(MIN(axis, last_axis));
mapping[@"YAxis"] = @(MAX(axis, last_axis));
all_mappings[joystick_name] = mapping;
[[NSUserDefaults standardUserDefaults] setObject:all_mappings forKey:@"GBJoypadMappings"];
[self advanceConfigurationStateMachine];

85
SDL/gui.c
View File

@ -95,12 +95,12 @@ void update_viewport(void)
SDL_GL_GetDrawableSize(window, &win_width, &win_height);
double x_factor = win_width / 160.0;
double y_factor = win_height / 144.0;
if (configuration.scaling_mode == GB_SDL_SCALING_INTEGER_FACTOR) {
x_factor = (int)(x_factor);
y_factor = (int)(y_factor);
}
if (configuration.scaling_mode != GB_SDL_SCALING_ENTIRE_WINDOW) {
if (x_factor > y_factor) {
x_factor = y_factor;
@ -109,13 +109,13 @@ void update_viewport(void)
y_factor = x_factor;
}
}
unsigned new_width = x_factor * 160;
unsigned new_height = y_factor * 144;
rect = (SDL_Rect){(win_width - new_width) / 2, (win_height - new_height) /2,
new_width, new_height};
if (renderer) {
SDL_RenderSetViewport(renderer, &rect);
}
@ -130,9 +130,9 @@ static void draw_char(uint32_t *buffer, unsigned char ch, uint32_t color)
if (ch < ' ' || ch > font_max) {
ch = '?';
}
uint8_t *data = &font[(ch - ' ') * GLYPH_WIDTH * GLYPH_HEIGHT];
for (unsigned y = GLYPH_HEIGHT; y--;) {
for (unsigned x = GLYPH_WIDTH; x--;) {
if (*(data++)) {
@ -154,11 +154,11 @@ static void draw_unbordered_text(uint32_t *buffer, unsigned x, unsigned y, const
string++;
continue;
}
if (x > 160 - GLYPH_WIDTH || y == 0 || y > 144 - GLYPH_HEIGHT) {
break;
}
draw_char(&buffer[x + 160 * y], *string, color);
x += GLYPH_WIDTH;
string++;
@ -192,7 +192,7 @@ static void draw_text_centered(uint32_t *buffer, unsigned y, const char *string,
draw_text(buffer, x - GLYPH_WIDTH, y, LEFT_ARROW_STRING, color, border);
draw_text(buffer, 160 - x, y, RIGHT_ARROW_STRING, color, border);
break;
case DECORATION_NONE:
break;
}
@ -259,7 +259,7 @@ static void return_to_root_menu(unsigned index)
static void cycle_model(unsigned index)
{
configuration.model++;
if (configuration.model == MODEL_MAX) {
configuration.model = 0;
@ -357,6 +357,7 @@ struct shader_name {
{"Bilinear", "Bilinear"},
{"SmoothBilinear", "Smooth Bilinear"},
{"LCD", "LCD Display"},
{"DMG", "DMG Display"},
{"Scale2x", "Scale2x"},
{"Scale4x", "Scale4x"},
{"AAScale2x", "Anti-aliased Scale2x"},
@ -375,13 +376,13 @@ static void cycle_filter(unsigned index)
break;
}
}
i += 1;
if (i >= sizeof(shaders) / sizeof(shaders[0])) {
i -= sizeof(shaders) / sizeof(shaders[0]);
}
strcpy(configuration.filter, shaders[i].file_name);
free_shader(&shader);
if (!init_shader_with_name(&shader, configuration.filter)) {
@ -397,12 +398,12 @@ static void cycle_filter_backwards(unsigned index)
break;
}
}
i -= 1;
if (i >= sizeof(shaders) / sizeof(shaders[0])) {
i = sizeof(shaders) / sizeof(shaders[0]) - 1;
}
strcpy(configuration.filter, shaders[i].file_name);
free_shader(&shader);
if (!init_shader_with_name(&shader, configuration.filter)) {
@ -418,11 +419,11 @@ const char *current_filter_name(unsigned index)
break;
}
}
if (i == sizeof(shaders) / sizeof(shaders[0])) {
i = 0;
}
return shaders[i].display_name;
}
@ -525,7 +526,7 @@ const char *current_joypad_name(unsigned index)
const char *orig_name = joystick? SDL_JoystickName(joystick) : NULL;
if (!orig_name) return "Not Found";
unsigned i = 0;
// SDL returns a name with repeated and trailing spaces
while (*orig_name && i < sizeof(name) - 2) {
if (orig_name[0] != ' ' || orig_name[1] != ' ') {
@ -537,7 +538,7 @@ const char *current_joypad_name(unsigned index)
i--;
}
name[i] = 0;
return name;
}
@ -598,12 +599,12 @@ unsigned fix_joypad_axis(unsigned axis)
}
return -1;
}
if (configuration.div_joystick) {
axis >>= 1;
}
return axis & 1;
}
@ -619,7 +620,7 @@ unsigned fix_joypad_button(unsigned button)
if (i == 9) {
return SDL_CONTROLLER_BUTTON_START;
}
if (i == SDL_CONTROLLER_BUTTON_BACK) {
return 8;
}
@ -631,22 +632,22 @@ unsigned fix_joypad_button(unsigned button)
}
return -1;
}
if (configuration.div_joystick) {
button >>= 1;
}
if (button < 4) {
if (configuration.swap_joysticks_bits_1_and_2) {
button = (int[]){0, 2, 1, 3}[button];
}
if (configuration.flip_joystick_bit_1) {
button ^= 1;
}
}
return button;
}
@ -699,7 +700,7 @@ void run_gui(bool is_running)
converted_background = SDL_ConvertSurface(background, pixel_format, 0);
SDL_LockSurface(converted_background);
SDL_FreeSurface(background);
for (unsigned i = 4; i--; ) {
gui_palette_native[i] = SDL_MapRGB(pixel_format, gui_palette[i].r, gui_palette[i].g, gui_palette[i].b);
}
@ -745,8 +746,8 @@ void run_gui(bool is_running)
event.key.keysym.scancode = scancode;
}
}
}
}
case SDL_JOYAXISMOTION: {
static bool axis_active[2] = {false, false};
event.jaxis.axis = fix_joypad_axis(event.jaxis.axis);
@ -800,7 +801,7 @@ void run_gui(bool is_running)
pending_command = GB_SDL_QUIT_COMMAND;
return;
}
}
case SDL_WINDOWEVENT: {
if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
@ -821,25 +822,25 @@ void run_gui(bool is_running)
auto_detect_inputs[auto_detect_progress++] = event.jbutton.button;
if (auto_detect_progress == 3) {
gui_state = SHOWING_MENU;
configuration.div_joystick =
((auto_detect_inputs[0] | auto_detect_inputs[1] | auto_detect_inputs[2]) & 1) == 0 &&
auto_detect_inputs[0] > 9;
if (configuration.div_joystick) {
auto_detect_inputs[0] >>= 1;
auto_detect_inputs[1] >>= 1;
auto_detect_inputs[2] >>= 1;
}
configuration.swap_joysticks_bits_1_and_2 =
(auto_detect_inputs[1] & 1) == (auto_detect_inputs[2] & 1);
if (configuration.swap_joysticks_bits_1_and_2) {
auto_detect_inputs[1] = (int[]){0, 2, 1, 3}[auto_detect_inputs[1]];
auto_detect_inputs[2] = (int[]){0, 2, 1, 3}[auto_detect_inputs[2]];
}
configuration.flip_joystick_bit_1 = auto_detect_inputs[2] & 1;
}
}
@ -861,7 +862,7 @@ void run_gui(bool is_running)
should_render = true;
}
}
if (gui_state == SHOWING_MENU) {
if (event.key.keysym.scancode == SDL_SCANCODE_DOWN && current_menu[current_selection + 1].string) {
current_selection++;
@ -912,11 +913,11 @@ void run_gui(bool is_running)
}
break;
}
if (should_render) {
should_render = false;
memcpy(pixels, converted_background->pixels, sizeof(pixels));
switch (gui_state) {
case SHOWING_DROP_MESSAGE:
draw_text_centered(pixels, 8, "Press ESC for menu", gui_palette_native[3], gui_palette_native[0], false);
@ -933,7 +934,7 @@ void run_gui(bool is_running)
draw_text_centered(pixels, y, line, gui_palette_native[3], gui_palette_native[0],
i == current_selection ? DECORATION_SELECTION : DECORATION_NONE);
y += 12;
}
else {
draw_text_centered(pixels, y, item->string, gui_palette_native[3], gui_palette_native[0],
@ -963,7 +964,7 @@ void run_gui(bool is_running)
gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
break;
}
render_texture(pixels, NULL);
}
} while (SDL_WaitEvent(&event));

38
Shaders/DMG.fsh Normal file
View File

@ -0,0 +1,38 @@
vec4 pixelize(vec4 image, vec2 scaleVec, vec2 texCoord) {
float scale = max(scaleVec.x, scaleVec.y);
float x = fract(texCoord.x * 160.0) * scale;
float y = fract(texCoord.y * 144.0) * scale;
float border = 1.0;
if (scale > 5.0) {
border = 2.0;
}
if (x < border || x > scale - border || y < border || y > scale - border) {
return vec4(.95, .95, .95, 1);
}
return image;
}
vec4 scale(sampler2D image) {
vec2 displayScale = uResolution / vec2(160.0, 144.0);
vec2 texCoord = vec2(gl_FragCoord.x, uResolution.y - gl_FragCoord.y) / uResolution;
vec4 sampled = texture(image, texCoord);
if (displayScale.x < 3.0 || displayScale.y < 3.0) {
return sampled;
}
float mixValue = 1.0;
if (displayScale.x >= 5.0 && displayScale.y >= 5.0) {
mixValue = 0.5;
}
else if (displayScale.x >= 3.0 && displayScale.y >= 3.0) {
mixValue = 0.8;
}
return mix(pixelize(sampled, displayScale, texCoord), sampled, mixValue);
}