7 #define RTG_INIT_ERR(a) { printf(a); *data->running = 0; }
9 uint8_t busy = 0, rtg_on = 0;
10 extern uint8_t *rtg_mem;
11 extern uint32_t framebuffer_addr;
13 extern uint16_t rtg_display_width, rtg_display_height;
14 extern uint16_t rtg_display_format;
15 extern uint16_t rtg_pitch, rtg_total_rows;
16 extern uint16_t rtg_offset_x, rtg_offset_y;
18 static pthread_t thread_id;
20 struct rtg_shared_data {
21 uint16_t *width, *height;
22 uint16_t *format, *pitch;
23 uint16_t *offset_x, *offset_y;
29 SDL_Window *win = NULL;
30 SDL_Renderer *renderer = NULL;
31 SDL_Texture *img = NULL;
33 struct rtg_shared_data rtg_share_data;
35 void rtg_update_screen() {}
37 void *rtgThread(void *args) {
39 printf("RTG thread running\n");
45 rtg_share_data.format = &rtg_display_format;
46 rtg_share_data.width = &rtg_display_width;
47 rtg_share_data.height = &rtg_display_height;
48 rtg_share_data.pitch = &rtg_pitch;
49 rtg_share_data.offset_x = &rtg_offset_x;
50 rtg_share_data.offset_y = &rtg_offset_y;
51 rtg_share_data.memory = rtg_mem;
52 rtg_share_data.running = &rtg_on;
53 rtg_share_data.addr = &framebuffer_addr;
54 struct rtg_shared_data *data = &rtg_share_data;
56 printf("Initializing SDL2...\n");
57 if (SDL_Init(0) < 0) {
58 printf("Failed to initialize SDL2.\n");
61 printf("Initializing SDL2 Video...\n");
62 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
63 printf("Failed to initialize SDL2 Video..\n");
66 printf("Creating %dx%d SDL2 window...\n", *data->width, *data->height);
67 win = SDL_CreateWindow("Pistorm RTG", 0, 0, *data->width, *data->height, 0);
69 RTG_INIT_ERR("Failed create SDL2 window.\n");
72 printf("Created %dx%d window.\n", *data->width, *data->height);
75 printf("Creating SDL2 renderer...\n");
76 renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
78 RTG_INIT_ERR("Failed create SDL2 renderer.\n");
81 printf("Created SDL2 renderer.\n");
84 printf("Creating SDL2 texture...\n");
85 img = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_TARGET, *data->width, *data->height);
87 RTG_INIT_ERR("Failed create SDL2 texture.\n");
90 printf("Created %dx%d texture.\n", *data->width, *data->height);
94 if (renderer && win && img) {
95 SDL_UpdateTexture(img, NULL, &data->memory[*data->addr + (*data->offset_x << *data->format) + (*data->offset_y * *data->pitch)], *data->pitch);
96 SDL_RenderClear(renderer);
97 SDL_RenderCopy(renderer, img, NULL, NULL);
98 SDL_RenderPresent(renderer);
99 usleep(16667); //ghetto 60hz
105 printf("RTG thread shut down.\n");
110 void rtg_set_clut_entry(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
114 void rtg_init_display() {
118 err = pthread_create(&thread_id, NULL, &rtgThread, (void *)&rtg_share_data);
121 printf("can't create RTG thread :[%s]", strerror(err));
124 printf("RTG Thread created successfully\n");
125 printf("RTG display enabled.\n");
129 void rtg_shutdown_display() {
130 printf("RTG display disabled.\n");
133 if (img) SDL_DestroyTexture(img);
134 if (renderer) SDL_DestroyRenderer(renderer);
135 if (win) SDL_DestroyWindow(win);