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Frame blending

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This commit is contained in:
Lior Halphon 2017-12-23 17:41:47 +02:00
parent d262dde71a
commit 3c1a805770
3 changed files with 30 additions and 6 deletions
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18
SDL/gui.c
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@ -47,7 +47,7 @@ void render_texture(void *pixels, void *previous)
configuration_t configuration = configuration_t configuration =
{ {
{ SDL_SCANCODE_RIGHT, .keys = { SDL_SCANCODE_RIGHT,
SDL_SCANCODE_LEFT, SDL_SCANCODE_LEFT,
SDL_SCANCODE_UP, SDL_SCANCODE_UP,
SDL_SCANCODE_DOWN, SDL_SCANCODE_DOWN,
@ -57,8 +57,9 @@ configuration_t configuration =
SDL_SCANCODE_RETURN, SDL_SCANCODE_RETURN,
SDL_SCANCODE_SPACE SDL_SCANCODE_SPACE
}, },
GB_COLOR_CORRECTION_EMULATE_HARDWARE, .color_correction_mode = GB_COLOR_CORRECTION_EMULATE_HARDWARE,
GB_SDL_SCALING_INTEGER_FACTOR, .scaling_mode = GB_SDL_SCALING_INTEGER_FACTOR,
.blend_frames = true
}; };
@ -383,10 +384,21 @@ static void return_to_root_menu(unsigned index)
current_selection = 0; current_selection = 0;
} }
static void toggle_blend_frames(unsigned index)
{
configuration.blend_frames ^= true;
}
const char *blend_frames_string(unsigned index)
{
return configuration.blend_frames? "Enabled" : "Disabled";
}
static const struct menu_item graphics_menu[] = { static const struct menu_item graphics_menu[] = {
{"Scaling Mode:", cycle_scaling, current_scaling_mode, cycle_scaling_backwards}, {"Scaling Mode:", cycle_scaling, current_scaling_mode, cycle_scaling_backwards},
{"Scaling Filter:", cycle_filter, current_filter_name, cycle_filter_backwards}, {"Scaling Filter:", cycle_filter, current_filter_name, cycle_filter_backwards},
{"Color Correction:", cycle_color_correction, current_color_correction_mode, cycle_color_correction_backwards}, {"Color Correction:", cycle_color_correction, current_color_correction_mode, cycle_color_correction_backwards},
{"Blend Frames:", toggle_blend_frames, blend_frames_string, toggle_blend_frames},
{"Back", return_to_root_menu}, {"Back", return_to_root_menu},
{NULL,} {NULL,}
}; };

1
SDL/gui.h
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@ -35,6 +35,7 @@ typedef struct {
SDL_Scancode keys[9]; SDL_Scancode keys[9];
GB_color_correction_mode_t color_correction_mode; GB_color_correction_mode_t color_correction_mode;
enum scaling_mode scaling_mode; enum scaling_mode scaling_mode;
bool blend_frames;
bool div_joystick; bool div_joystick;
bool flip_joystick_bit_1; bool flip_joystick_bit_1;

17
SDL/main.c
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@ -16,7 +16,9 @@
GB_gameboy_t gb; GB_gameboy_t gb;
static bool dmg = false; static bool dmg = false;
static bool paused = false; static bool paused = false;
static uint32_t pixels[160*144]; static uint32_t pixel_buffer_1[160*144], pixel_buffer_2[160*144];
static uint32_t *active_pixel_buffer = pixel_buffer_1, *previous_pixel_buffer = pixel_buffer_2;
static char *filename = NULL; static char *filename = NULL;
static bool should_free_filename = false; static bool should_free_filename = false;
@ -213,7 +215,16 @@ static void handle_events(GB_gameboy_t *gb)
static void vblank(GB_gameboy_t *gb) static void vblank(GB_gameboy_t *gb)
{ {
render_texture(pixels, NULL); if (configuration.blend_frames) {
render_texture(active_pixel_buffer, previous_pixel_buffer);
uint32_t *temp = active_pixel_buffer;
active_pixel_buffer = previous_pixel_buffer;
previous_pixel_buffer = temp;
GB_set_pixels_output(gb, active_pixel_buffer);
}
else {
render_texture(active_pixel_buffer, NULL);
}
handle_events(gb); handle_events(gb);
} }
@ -303,7 +314,7 @@ restart:
} }
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank); GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
GB_set_pixels_output(&gb, pixels); GB_set_pixels_output(&gb, active_pixel_buffer);
GB_set_rgb_encode_callback(&gb, rgb_encode); GB_set_rgb_encode_callback(&gb, rgb_encode);
GB_set_sample_rate(&gb, have_aspec.freq); GB_set_sample_rate(&gb, have_aspec.freq);
GB_set_color_correction_mode(&gb, configuration.color_correction_mode); GB_set_color_correction_mode(&gb, configuration.color_correction_mode);