mirror of
https://github.com/Oibaf66/frodo-wii.git
synced 2024-11-22 19:39:24 +01:00
Use the native bit depth instead of hardcoding 8
This commit is contained in:
simon.kagstrom
parent
f02c428969
commit
529a332720
@ -85,6 +85,10 @@ public:
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void UpdateKeyMatrix(int c64_key, bool key_up, uint8 *key_matrix,
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uint8 *rev_matrix, uint8 *joystick);
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void Update(uint8 *src_pixels);
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void Update_8(uint8 *src_pixels);
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void Update_16(uint8 *src_pixels);
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void Update_32(uint8 *src_pixels);
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void Update_stretched(uint8 *src_pixels);
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char *GetTextMessage();
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#endif
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bool NumLock(void);
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@ -32,6 +32,10 @@
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// Display surface
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static Uint8 screen[DISPLAY_X * DISPLAY_Y];
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static Uint16 *screen_16;
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static Uint32 *screen_32;
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static int screen_bits_per_pixel;
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static SDL_Surface *sdl_screen;
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SDL_Surface *real_screen = NULL;
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@ -56,8 +60,10 @@ enum {
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shadow_gray = 18,
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red = 19,
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green = 20,
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PALETTE_SIZE = 21
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PALETTE_SIZE = 21,
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};
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static Uint16 palette_16[PALETTE_SIZE];
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static Uint32 palette_32[PALETTE_SIZE];
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/*
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C64 keyboard matrix:
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@ -83,6 +89,7 @@ enum {
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int init_graphics(void)
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{
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Uint32 rmask, gmask, bmask, amask;
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const SDL_VideoInfo *info = SDL_GetVideoInfo();
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/* SDL interprets each pixel as a 32-bit number, so our masks must depend
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on the endianness (byte order) of the machine */
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@ -109,7 +116,8 @@ int init_graphics(void)
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SDL_GetError());
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exit(1);
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}
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real_screen = SDL_SetVideoMode(FULL_DISPLAY_X, FULL_DISPLAY_Y, 8,
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screen_bits_per_pixel = info->vfmt->BitsPerPixel;
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real_screen = SDL_SetVideoMode(FULL_DISPLAY_X, FULL_DISPLAY_Y, screen_bits_per_pixel,
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SDL_DOUBLEBUF);
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if (!real_screen)
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{
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@ -117,6 +125,24 @@ int init_graphics(void)
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exit(1);
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}
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switch (screen_bits_per_pixel)
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{
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case 8:
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/* Default, no need to do anything further */
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break;
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case 16:
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/* Allocate a 16 bit screen */
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screen_16 = (Uint16*)calloc(real_screen->pitch * FULL_DISPLAY_Y, sizeof(Uint16) );
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break;
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case 24:
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case 32:
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screen_32 = (Uint32*)calloc(real_screen->pitch * FULL_DISPLAY_Y, sizeof(Uint32) );
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break;
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default:
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printf("What is this???\n");
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break;
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}
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return 1;
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}
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@ -182,12 +208,59 @@ void C64Display::NewPrefs(Prefs *prefs)
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/*
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* Redraw bitmap
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*/
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void C64Display::Update(uint8 *src_pixels)
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void C64Display::Update_32(uint8 *src_pixels)
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{
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const Uint16 src_pitch = DISPLAY_X;
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const int x_border = (DISPLAY_X - FULL_DISPLAY_X / 2) / 2;
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const int y_border = (DISPLAY_Y - FULL_DISPLAY_Y / 2) / 2;
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Uint32 *dst_pixels = (Uint32*)real_screen->pixels;
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const int dst_pitch = real_screen->pitch / sizeof(Uint32);
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if (ThePrefs.DisplayOption == 0) {
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/* Center, double size */
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for (int y = y_border; y < (FULL_DISPLAY_Y/2) + y_border; y++)
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{
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for (int x = x_border; x < (FULL_DISPLAY_X / 2 + x_border); x++)
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{
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int src_off = y * src_pitch + x;
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int dst_off = ((y * 2 - y_border * 2) * dst_pitch + (x * 2 - x_border * 2));
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Uint32 v = palette_32[src_pixels[src_off]];
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dst_pixels[ dst_off ] = v;
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dst_pixels[ dst_off + 1 ] = v;
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dst_pixels[ dst_off + dst_pitch ] = v;
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dst_pixels[ dst_off + dst_pitch + 1] = v;
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}
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}
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}
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void C64Display::Update_16(uint8 *src_pixels)
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{
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const Uint16 src_pitch = DISPLAY_X;
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const int x_border = (DISPLAY_X - FULL_DISPLAY_X / 2) / 2;
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const int y_border = (DISPLAY_Y - FULL_DISPLAY_Y / 2) / 2;
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Uint16 *dst_pixels = (Uint16*)real_screen->pixels;
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const Uint16 dst_pitch = real_screen->pitch / sizeof(Uint16);
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/* Center, double size */
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for (int y = y_border; y < (FULL_DISPLAY_Y/2) + y_border; y++)
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{
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for (int x = x_border; x < (FULL_DISPLAY_X / 2 + x_border); x++)
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{
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int src_off = y * src_pitch + x;
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int dst_off = ((y * 2 - y_border * 2) * dst_pitch + (x * 2 - x_border * 2));
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Uint16 v = palette_16[src_pixels[src_off]];
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dst_pixels[ dst_off ] = v;
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dst_pixels[ dst_off + 1 ] = v;
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dst_pixels[ dst_off + dst_pitch ] = v;
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dst_pixels[ dst_off + dst_pitch + 1] = v;
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}
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}
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}
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void C64Display::Update_8(uint8 *src_pixels)
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{
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const Uint16 src_pitch = DISPLAY_X;
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const int x_border = (DISPLAY_X - FULL_DISPLAY_X / 2) / 2;
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const int y_border = (DISPLAY_Y - FULL_DISPLAY_Y / 2) / 2;
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Uint8 *dst_pixels = (Uint8*)real_screen->pixels;
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@ -209,10 +282,13 @@ void C64Display::Update(uint8 *src_pixels)
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}
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}
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}
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else {
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void C64Display::Update_stretched(uint8 *src_pixels)
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{
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SDL_Rect srcrect = {0, 0, DISPLAY_X, DISPLAY_Y};
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SDL_Rect dstrect = {0, 0, FULL_DISPLAY_X, FULL_DISPLAY_Y};
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Uint8 *dst_pixels = (Uint8*)sdl_screen->pixels;
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const Uint16 src_pitch = DISPLAY_X;
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/* Draw 1-1 */
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for (int y = 0; y < DISPLAY_Y; y++)
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@ -231,6 +307,25 @@ void C64Display::Update(uint8 *src_pixels)
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SDL_SoftStretch(sdl_screen, &srcrect, real_screen, &dstrect);
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}
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void C64Display::Update(uint8 *src_pixels)
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{
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if (ThePrefs.DisplayOption != 0)
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this->Update_stretched(src_pixels);
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else
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{
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switch (screen_bits_per_pixel)
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{
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case 8:
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this->Update_8(src_pixels); break;
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case 16:
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this->Update_16(src_pixels); break;
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case 24:
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case 32:
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default:
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this->Update_32((Uint8*)screen); break;
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}
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}
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if (this->TheC64->network_connection_type != NONE)
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draw_string(real_screen, 0, 0, networktraffic_string, black, fill_gray);
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if (this->on_screen_message) {
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@ -897,8 +992,26 @@ void C64Display::InitColors(uint8 *colors)
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palette[red].g = palette[red].b = 0;
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palette[green].g = 0xf0;
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palette[green].r = palette[green].b = 0;
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SDL_SetColors(real_screen, palette, 0, PALETTE_SIZE);
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if (real_screen->format->BitsPerPixel == 8)
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SDL_SetColors(real_screen, palette, 0, PALETTE_SIZE);
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for (int i = 0; i < PALETTE_SIZE; i++) {
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int rs = real_screen->format->Rshift;
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int gs = real_screen->format->Gshift;
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int bs = real_screen->format->Bshift;
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int rl = real_screen->format->Rloss;
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int gl = real_screen->format->Gloss;
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int bl = real_screen->format->Bloss;
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int rm = real_screen->format->Rmask;
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int gm = real_screen->format->Gmask;
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int bm = real_screen->format->Bmask;
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uint32 r = palette_red[i] & 0xff;
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uint32 g = palette_green[i] & 0xff;
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uint32 b = palette_blue[i] & 0xff;
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palette_16[i] = (((r >> rl) << rs) & rm) | (((g >> gl) << gs) & gm) | (((b >> bl) << bs) & bm);
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palette_32[i] = (((r >> rl) << rs) & rm) | (((g >> gl) << gs) & gm) | (((b >> bl) << bs) & bm);
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}
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for (int i=0; i<256; i++)
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colors[i] = i & 0x0f;
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