diff options
Diffstat (limited to 'Podium/p_platform_linux.c')
| -rw-r--r-- | Podium/p_platform_linux.c | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/Podium/p_platform_linux.c b/Podium/p_platform_linux.c deleted file mode 100644 index 366e3d7..0000000 --- a/Podium/p_platform_linux.c +++ /dev/null @@ -1,404 +0,0 @@ -/* linux */ -#include <time.h> -#include <fcntl.h> -#include <unistd.h> -#include <dirent.h> -#include <sys/stat.h> -#include <errno.h> -/* x11 */ -#include <X11/Xlib.h> -#include <X11/keysym.h> -/* pulse audio */ -#include <pulse/pulseaudio.h> -#include <pulse/simple.h> -#include <pulse/error.h> -/* joystick */ -#include <linux/joystick.h> - -typedef struct { - pa_simple *audio_stream; -} P_LinuxCtx; - -struct P_Window_Impl { - Display *display; - XImage *image; - Window window; - GC gc; - int screen; - int width; - int height; -}; - -P_LinuxCtx p_ctx = {0}; - -static inline P_KeyCode -_x11_translate_keycode(XEvent xev) -{ - static KeySym ks; - ks = XLookupKeysym(&xev.xkey, 0); - switch (ks) { - /* Arrow keys */ - case XK_Left: return P_KEY_LEFT; - case XK_Right: return P_KEY_RIGHT; - case XK_Up: return P_KEY_UP; - case XK_Down: return P_KEY_DOWN; - /* Common keys */ - case XK_space: return P_KEY_SPACE; - case XK_Escape: return P_KEY_ESCAPE; - case XK_Return: return P_KEY_ENTER; - case XK_A: case XK_a: return P_KEY_A; - case XK_B: case XK_b: return P_KEY_B; - case XK_C: case XK_c: return P_KEY_C; - case XK_D: case XK_d: return P_KEY_D; - case XK_E: case XK_e: return P_KEY_E; - case XK_F: case XK_f: return P_KEY_F; - case XK_G: case XK_g: return P_KEY_G; - case XK_H: case XK_h: return P_KEY_H; - case XK_I: case XK_i: return P_KEY_I; - case XK_J: case XK_j: return P_KEY_J; - case XK_K: case XK_k: return P_KEY_K; - case XK_L: case XK_l: return P_KEY_L; - case XK_M: case XK_m: return P_KEY_M; - case XK_N: case XK_n: return P_KEY_N; - case XK_O: case XK_o: return P_KEY_O; - case XK_P: case XK_p: return P_KEY_P; - case XK_Q: case XK_q: return P_KEY_Q; - case XK_R: case XK_r: return P_KEY_R; - case XK_S: case XK_s: return P_KEY_S; - case XK_T: case XK_t: return P_KEY_T; - case XK_U: case XK_u: return P_KEY_U; - case XK_V: case XK_v: return P_KEY_V; - case XK_W: case XK_w: return P_KEY_W; - case XK_X: case XK_x: return P_KEY_X; - case XK_Y: case XK_y: return P_KEY_Y; - case XK_Z: case XK_z: return P_KEY_Z; - default: return P_KEY_UNKNOWN; - } -} - -POAPI u64 -p_get_time(void) -{ - struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - return NANOS_PER_SEC * ts.tv_sec + ts.tv_nsec; -} - -POAPI void -p_sleep_ns(i64 ns) -{ - struct timespec ts; - ts.tv_sec = ns / 1000000000L; - ts.tv_nsec = ns % 1000000000L; - clock_nanosleep(CLOCK_MONOTONIC, 0, &ts, NULL); -} - -POAPI void -p_stdout(void *msg, usize bytes) -{ - write(1, msg, bytes); -} - -POAPI bool -p_file_exists(const char *path) -{ - return (access(path, F_OK) == 0); -} - -POAPI usize -p_file_size(const char *path) -{ - struct stat st; - if (stat(path, &st) == 0) { - return st.st_size; - } - return 0; -} - -PODEF void -p_file_load(const char *path, void *buf_ptr, unsigned long buf_size) -{ - int fd = open(path, O_RDONLY); - if (fd >= 0) { - read(fd, buf_ptr, (size_t)buf_size); - close(fd); - } -} - -PODEF void -p_file_write(const char *path, void *buf_ptr, unsigned long buf_size) -{ - int fd = open(path, O_WRONLY | O_CREAT | O_APPEND, 0644); - if (fd >= 0) { - write(fd, buf_ptr, (size_t)buf_size); - close(fd); - } -} - -POAPI bool -p_window_open(P_Window *win, int width, int height, const char *title) -{ - win->width = width; - win->height = height; - - XInitThreads(); - - win->display = XOpenDisplay(NULL); - if (win->display == NULL) { - PERROR("Cannot open display!"); - return false; - } - - int screen = DefaultScreen(win->display); - win->window = XCreateSimpleWindow( - win->display, - RootWindow(win->display, screen), - 0, 0, width, height, - 1, - BlackPixel(win->display, screen), - BlackPixel(win->display, screen) - ); - - win->screen = screen; - - XStoreName(win->display, win->window, title); - XSelectInput(win->display, win->window, - KeyPressMask | KeyReleaseMask | - ButtonPressMask | ButtonReleaseMask | - PointerMotionMask | StructureNotifyMask); - XMapWindow(win->display, win->window); - - win->gc = DefaultGC(win->display, screen); - - Atom wm_delete = XInternAtom(win->display, "WM_DELETE_WINDOW", False); - XSetWMProtocols(win->display, win->window, &wm_delete, 1); - - return true; -} - -POAPI void -p_window_close(P_Window *win) -{ - if (!win) return; - - if (win->image) { - // XDestroyImage(win->image); - win->image = NULL; - } - - if (win->display) { - Display *dpy = win->display; - Window w = win->window; - win->display = NULL; - win->window = 0; - - if (w) { - XDestroyWindow(dpy, w); - } - XSync(dpy, False); - } -} - -POAPI bool -p_window_is_open(P_Window *win) -{ - return win && win->display != NULL; -} - -POAPI void -p_window_size(P_Window *win, int *window_width, int *window_height) -{ - if (!win) return; - - XWindowAttributes attr; - XGetWindowAttributes(win->display, win->window, &attr); - *window_width = attr.width; - *window_height = attr.height; - - win->width = attr.width; - win->height = attr.height; -} - -POAPI void -p_window_draw(P_Window *win, u32 *pixels, int width, int height) -{ - int screen = win->screen; - - win->image = XCreateImage( - win->display, - DefaultVisual(win->display, screen), - DefaultDepth(win->display, screen), - ZPixmap, - 0, - (char*)pixels, - width, - height, - 32, - width * 4 - ); - - int window_width, window_height; - p_window_size(win, &window_width, &window_height); - - XPutImage( - win->display, - win->window, - win->gc, - win->image, - 0, 0, - 0, 0, - win->width, - win->height); - - XFlush(win->display); -} - -POAPI bool -p_window_poll_event(P_Window *win, P_Event *ev) -{ - if (XPending(win->display)) { - static XEvent xev; - XNextEvent(win->display, &xev); - - switch (xev.type) { - - case KeyPress: - ev->type = P_EVENT_KEY_DOWN; - ev->key.key = _x11_translate_keycode(xev); - return true; - - case KeyRelease: - ev->type = P_EVENT_KEY_UP; - ev->key.key = _x11_translate_keycode(xev); - return true; - - case ConfigureNotify: - ev->type = P_EVENT_WINDOW_RESIZE; - ev->resize.width = xev.xconfigure.width; - ev->resize.height = xev.xconfigure.height; - return true; - - case ClientMessage: - if ((Atom)xev.xclient.data.l[0] == - XInternAtom(win->display, "WM_DELETE_WINDOW", False)) { - ev->type = P_EVENT_WINDOW_CLOSE; - return true; - } - break; - - case MotionNotify: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_MOVED; - ev->pointer.button = 0; - ev->pointer.x = xev.xmotion.x; - ev->pointer.y = xev.xmotion.y; - return true; - - case ButtonPress: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_PRESSED; - ev->pointer.button = xev.xbutton.button; /* 1=LMB, 2=MMB, 3=RMB */ - ev->pointer.x = xev.xbutton.x; - ev->pointer.y = xev.xbutton.y; - return true; - - case ButtonRelease: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_RELEASED; - ev->pointer.button = xev.xbutton.button; - ev->pointer.x = xev.xbutton.x; - ev->pointer.y = xev.xbutton.y; - return true; - } - } - - ev->type = P_EVENT_NONE; - return false; -} - -POAPI void -p_audio_init(const int sample_rate, const int channels, const char *name, const char *desc) -{ - pa_sample_spec ss = { - .format = PA_SAMPLE_S16LE, - .rate = sample_rate, - .channels = channels, - }; - - int error; - p_ctx.audio_stream = pa_simple_new( - NULL, - name, - PA_STREAM_PLAYBACK, - NULL, - desc, - &ss, - NULL, - NULL, - &error - ); - - if (!p_ctx.audio_stream) { - PERROR("PulseAudio init failed: %s\n", pa_strerror(error)); - exit(1); - } -} - -POAPI void -p_audio_quit() -{ - if (p_ctx.audio_stream) { - pa_simple_free(p_ctx.audio_stream); - p_ctx.audio_stream = NULL; - } -} - -POAPI void -p_audio_write(const i16 *samples, usize count) -{ - if (!p_ctx.audio_stream) return; - - int error; - if (pa_simple_write(p_ctx.audio_stream, samples, count * sizeof(i16), &error) < 0) { - PERROR("PulseAudio write failed: %s\n", pa_strerror(error)); - } - - pa_simple_drain(p_ctx.audio_stream, &error); -} - -#ifdef P_MODULE_VULKAN - -#ifndef VK_USE_PLATFORM_XLIB_KHR -#define VK_USE_PLATFORM_XLIB_KHR -#endif -#include <vulkan/vulkan_xlib.h> - -POAPI char** -p_vulkan_get_extensions() -{ - char **darr = NULL; - p_darray_push(darr, "VK_KHR_surface"); - p_darray_push(darr, "VK_KHR_xcb_surface"); - p_darray_push(darr, "VK_KHR_xlib_surface"); - return darr; -} - -POAPI bool -p_vulkan_create_surface(P_Window *window, VkInstance instance, const VkAllocationCallbacks* allocator, VkSurfaceKHR* out_surface) -{ - if (!instance || !window || !window->display || !window->window || !out_surface) { - return false; - } - - VkXlibSurfaceCreateInfoKHR create_info = {0}; - create_info.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR; - create_info.pNext = NULL; - create_info.flags = 0; - create_info.dpy = window->display; - create_info.window = window->window; - - VkResult result = vkCreateXlibSurfaceKHR(instance, &create_info, allocator, out_surface); - - return (result == VK_SUCCESS); -} -#endif |