#include <SDL2/SDL.h>
#include <stdio.h>
#include <stdint.h>
+#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
+#include <string.h>
+#include "rtg.h"
#define RTG_INIT_ERR(a) { printf(a); *data->running = 0; }
-uint8_t busy = 0, rtg_on = 0;
+uint8_t busy = 0, rtg_on = 0, rtg_initialized = 0;
extern uint8_t *rtg_mem;
extern uint32_t framebuffer_addr;
SDL_Texture *img = NULL;
struct rtg_shared_data rtg_share_data;
+static uint32_t palette[256];
-void rtg_update_screen() {
- struct rtg_shared_data *data = &rtg_share_data;
-
- //printf("RTG thread running\n");
- //fflush(stdout);
-
- //while (*data->running) {
- //printf("We in da loop?\n");
- //busy = 1;
- SDL_UpdateTexture(img, NULL, &data->memory[*data->addr + (*data->offset_x << *data->format) + (*data->offset_y * *data->pitch)], *data->pitch);
- //busy = 0;
- SDL_RenderClear(renderer);
- SDL_RenderCopy(renderer, img, NULL, NULL);
- SDL_RenderPresent(renderer);
- //sleep(0);
- //}
+void rtg_update_screen() {}
- //SDL_Quit();
- //printf("RTG thread exited somewhat peacefully.\n");
-
- //return args;
-}
+uint32_t rtg_to_sdl2[RTGFMT_NUM] = {
+ SDL_PIXELFORMAT_BGRA8888,
+ SDL_PIXELFORMAT_RGB565,
+ SDL_PIXELFORMAT_BGRA8888,
+ SDL_PIXELFORMAT_RGB555,
+};
-void rtg_set_clut_entry(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
+void *rtgThread(void *args) {
-}
+ printf("RTG thread running\n");
+ fflush(stdout);
-void rtg_init_display() {
- int err;
+ int reinit = 0;
rtg_on = 1;
+ uint32_t *indexed_buf;
+
rtg_share_data.format = &rtg_display_format;
rtg_share_data.width = &rtg_display_width;
rtg_share_data.height = &rtg_display_height;
rtg_share_data.addr = &framebuffer_addr;
struct rtg_shared_data *data = &rtg_share_data;
- printf("Creating %dx%d SDL2 window...\n", *data->width, *data->height);
- fflush(stdout);
- win = SDL_CreateWindow("Pistorm RTG", 0, 0, *data->width, *data->height, 0);
+ uint16_t width = rtg_display_width;
+ uint16_t height = rtg_display_height;
+ uint16_t format = rtg_display_format;
+ uint16_t pitch = rtg_pitch;
+
+ printf("Initializing SDL2...\n");
+ if (SDL_Init(0) < 0) {
+ printf("Failed to initialize SDL2.\n");
+ }
+
+ printf("Initializing SDL2 Video...\n");
+ if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+ printf("Failed to initialize SDL2 Video..\n");
+ }
+
+reinit_sdl:;
+ if (reinit) {
+ printf("Reinitializing SDL2...\n");
+ width = rtg_display_width;
+ height = rtg_display_height;
+ format = rtg_display_format;
+ pitch = rtg_pitch;
+ if (indexed_buf) {
+ free(indexed_buf);
+ indexed_buf = NULL;
+ }
+ reinit = 0;
+ }
+
+ printf("Creating %dx%d SDL2 window...\n", width, height);
+ win = SDL_CreateWindow("Pistorm RTG", 0, 0, width, height, 0);
if (!win) {
RTG_INIT_ERR("Failed create SDL2 window.\n");
- fflush(stdout);
- goto death;
}
else {
- printf("Created %dx%d window.\n", *data->width, *data->height);
- fflush(stdout);
+ printf("Created %dx%d window.\n", width, height);
}
printf("Creating SDL2 renderer...\n");
- fflush(stdout);
renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
if (!renderer) {
RTG_INIT_ERR("Failed create SDL2 renderer.\n");
- fflush(stdout);
- goto death;
}
else {
printf("Created SDL2 renderer.\n");
- fflush(stdout);
}
printf("Creating SDL2 texture...\n");
- fflush(stdout);
- img = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_TARGET, *data->width, *data->height);
+ img = SDL_CreateTexture(renderer, rtg_to_sdl2[format], SDL_TEXTUREACCESS_TARGET, width, height);
if (!img) {
RTG_INIT_ERR("Failed create SDL2 texture.\n");
- fflush(stdout);
- goto death;
}
else {
- printf("Created %dx%d texture.\n", *data->width, *data->height);
- fflush(stdout);
+ printf("Created %dx%d texture.\n", width, height);
}
- /*err = pthread_create(&thread_id, NULL, &rtgThread, (void *)&rtg_share_data);
- if (err != 0) {
- rtg_on = 0;
- printf("can't create RTG thread :[%s]", strerror(err));
+ if (format == RTGFMT_8BIT) {
+ indexed_buf = calloc(1, width * height * 4);
+ pitch = width * 4;
}
- else {
- printf("RTG Thread created successfully\n");*/
- printf("RTG display enabled.\n");
- //}
- death:;
-}
-void rtg_shutdown_display() {
- //void *balf;
- printf("RTG display disabled.\n");
- //while(rtg_on) {
- rtg_on = 0;
- //sleep(0);
- //}
+ while (1) {
+ if (renderer && win && img) {
+ SDL_RenderClear(renderer);
+ if (*data->running) {
+ SDL_UpdateTexture(img, NULL, (format != RTGFMT_8BIT) ? &data->memory[*data->addr] : (uint8_t *)indexed_buf, pitch);
+ SDL_RenderCopy(renderer, img, NULL, NULL);
+ }
+ SDL_RenderPresent(renderer);
+ usleep(16667); //ghetto 60hz
+ if (height != *data->height || width != *data->width || format != *data->format) {
+ printf("Reinitializing due to something change.\n");
+ reinit = 1;
+ goto shutdown_sdl;
+ }
+ if (format == RTGFMT_8BIT) {
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+ indexed_buf[x + (y * width)] = palette[data->memory[*data->addr + x + (y * width)]];
+ }
+ }
+ }
+ }
+ else
+ break;
+ }
+
+ rtg_initialized = 0;
+ printf("RTG thread shut down.\n");
+shutdown_sdl:;
if (img) SDL_DestroyTexture(img);
if (renderer) SDL_DestroyRenderer(renderer);
if (win) SDL_DestroyWindow(win);
+
+ win = NULL;
+ img = NULL;
+ renderer = NULL;
+
+ if (reinit)
+ goto reinit_sdl;
+
+ SDL_QuitSubSystem(SDL_INIT_VIDEO);
+ SDL_Quit();
+
+ return args;
+}
+
+void rtg_set_clut_entry(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
+ //int r = (int)((float)rtg_u8[1] / 255.0f * 31.0f);
+ //int g = (int)((float)rtg_u8[2] / 255.0f * 63.0f);
+ //int b = (int)((float)rtg_u8[3] / 255.0f * 31.0f);
+ palette[index] = (r << 24) | (g << 16) | (b << 8) | 0xFF;
+}
+
+void rtg_init_display() {
+ int err;
+ rtg_on = 1;
+
+ if (!rtg_initialized) {
+ err = pthread_create(&thread_id, NULL, &rtgThread, (void *)&rtg_share_data);
+ if (err != 0) {
+ rtg_on = 0;
+ printf("can't create RTG thread :[%s]", strerror(err));
+ }
+ else {
+ rtg_initialized = 1;
+ printf("RTG Thread created successfully\n");
+ }
+ }
+ printf("RTG display enabled.\n");
+}
+
+void rtg_shutdown_display() {
+ printf("RTG display disabled.\n");
+ rtg_on = 0;
}
projects / pistorm / blobdiff