163 lines
5.3 KiB
C
163 lines
5.3 KiB
C
unigi_type_resolution_range * unigi_resolutions;
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SDL_Surface * unigi_platform_surface;
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SDL_Window * unigi_platform_window;
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uint8_t * unigi_platform_pixels1;
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uint16_t * unigi_platform_pixels2;
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uint32_t * unigi_platform_pixels4;
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uint8_t * unigi_platform_palette1;
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uint16_t * unigi_platform_palette2;
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uint32_t * unigi_platform_palette4;
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uint8_t unigi_platform_info_depth_bytes;
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static inline void unigi_platform_color_16_to_32(unigi_type_color color, uint8_t * a, uint8_t * r, uint8_t * g, uint8_t * b) {
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*a = (color >> 12) & 0xF;
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*a = *a << 4;
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*r = (color >> 8) & 0xF;
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*r = *r << 4;
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*g = (color >> 4) & 0xF;
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*g = *g << 4;
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*b = color & 0xF;
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*b = *b << 4;
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}
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unigi_type_error unigi_window_create(unigi_type_resolution resolution, char * title) {
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#ifndef _EE // if not PS2
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SDL_SetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION,"0");
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#endif
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unigi_platform_window = SDL_CreateWindow(title,SDL_WINDOWPOS_CENTERED,SDL_WINDOWPOS_CENTERED,resolution.width,resolution.height,0);
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if (unigi_platform_window == NULL) {
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printf("[unigi] Could not initialize window: SDL -> %s\n",SDL_GetError());
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return 1;
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}
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unigi_platform_surface = SDL_GetWindowSurface(unigi_platform_window);
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unigi_platform_pixels1 = (uint8_t *)(unigi_platform_surface->pixels);
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unigi_platform_pixels2 = (uint16_t *)(unigi_platform_surface->pixels);
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unigi_platform_pixels4 = (uint32_t *)(unigi_platform_surface->pixels);
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unigi_platform_info_depth_bytes = unigi_platform_surface->format->BytesPerPixel;
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uint8_t r; uint8_t g; uint8_t b;
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uint32_t color;
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uint32_t color_platform;
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uint8_t * color_platform8 = (uint8_t *)&color_platform;
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#ifndef unigi_flag_bigcolor
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unigi_platform_palette1 = malloc(4096 * unigi_platform_info_depth_bytes);
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#else
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unigi_platform_palette1 = malloc(65536 * unigi_platform_info_depth_bytes);
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#endif
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if (unigi_platform_palette1 == NULL) {
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printf("[unigi] Could not initialize video: unigi -> palette malloc failed\n");
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return 1;
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}
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unigi_platform_palette2 = (uint16_t *)unigi_platform_palette1;
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unigi_platform_palette4 = (uint32_t *)unigi_platform_palette1;
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color = 0;
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#ifndef unigi_flag_bigcolor
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while (color < 4096) {
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unigi_platform_color_16_to_32((unigi_type_color)color,&r,&r,&g,&b);
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#ifndef _EE // if not PS2
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color_platform = SDL_MapRGBA(unigi_platform_surface->format,r,g,b,255);
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#else
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color_platform = SDL_MapRGBA(unigi_platform_surface->format,r/2,g/2,b/2,255);
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#endif
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unigi_type_resolution_depth i;
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for (i = 0; i < unigi_platform_info_depth_bytes; i++) {
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unigi_platform_palette1[(color * unigi_platform_info_depth_bytes) + i] = color_platform8[i];
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}
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++color;
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}
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#else
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while (color < 65536) {
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unigi_platform_color_16_to_32((unigi_type_color)color,&r,&r,&g,&b);
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#ifndef _EE // if not PS2
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color_platform = SDL_MapRGBA(unigi_platform_surface->format,r,g,b,255);
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#else
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color_platform = SDL_MapRGBA(unigi_platform_surface->format,r/2,g/2,b/2,255);
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#endif
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unigi_type_resolution_depth i;
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for (i = 0; i < unigi_platform_info_depth_bytes; i++) {
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unigi_platform_palette1[(color * unigi_platform_info_depth_bytes) + i] = color_platform8[i];
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}
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++color;
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}
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#endif
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return 0;
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}
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unigi_type_error unigi_graphics_init() {
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return 0;
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}
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inline void unigi_graphics_draw(unigi_type_resolution_1d_coord index, unigi_type_color color) {
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#ifndef unigi_flag_bigcolor
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color = color & 0x0FFF;
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#endif
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if (unigi_platform_info_depth_bytes < 3) {
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if (unigi_platform_info_depth_bytes == 1) {
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unigi_platform_pixels1[index] = unigi_platform_palette1[color];
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} else {
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unigi_platform_pixels2[index] = unigi_platform_palette2[color];
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}
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} else {
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if (unigi_platform_info_depth_bytes == 3) {
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memcpy(
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unigi_platform_pixels1 + (index * 3),
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unigi_platform_palette1 + (color * 3),
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3
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);
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} else {
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unigi_platform_pixels4[index] = unigi_platform_palette4[color];
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}
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}
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}
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inline void unigi_graphics_blit(unigi_type_resolution_1d_coord index, unigi_type_color * pixels, unigi_type_resolution_1d_coord length) {
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unigi_type_resolution_1d_coord i;
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if (unigi_platform_info_depth_bytes == 1) {
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for (i = 0; i < length; ++i) {
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#ifndef unigi_flag_bigcolor
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unigi_platform_pixels1[index + i] = unigi_platform_palette1[pixels[i] & 0x0FFF];
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#else
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unigi_platform_pixels1[index + i] = unigi_platform_palette1[pixels[i]];
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#endif
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}
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} else if (unigi_platform_info_depth_bytes == 2) {
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for (i = 0; i < length; ++i) {
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#ifndef unigi_flag_bigcolor
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unigi_platform_pixels2[index + i] = unigi_platform_palette2[pixels[i] & 0x0FFF];
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#else
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unigi_platform_pixels2[index + i] = unigi_platform_palette2[pixels[i]];
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#endif
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}
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} else if (unigi_platform_info_depth_bytes == 3) {
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for (i = 0; i < length; ++i) {
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#ifndef unigi_flag_bigcolor
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memcpy(
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unigi_platform_pixels1 + ((index + i) * 3),
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unigi_platform_palette1 + ((pixels[i] & 0x0FFF) * 3),
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3
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);
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#else
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memcpy(
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unigi_platform_pixels1 + ((index + i) * 3),
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unigi_platform_palette1 + ((pixels[i]) * 3),
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3
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);
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#endif
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}
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} else if (unigi_platform_info_depth_bytes == 4) {
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for (i = 0; i < length; ++i) {
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#ifndef unigi_flag_bigcolor
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unigi_platform_pixels4[index + i] = unigi_platform_palette4[pixels[i] & 0x0FFF];
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#else
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unigi_platform_pixels4[index + i] = unigi_platform_palette4[pixels[i]];
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#endif
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}
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}
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}
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inline void unigi_graphics_flush() {
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SDL_UpdateWindowSurface(unigi_platform_window);
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}
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