main_linux.c (2963B)
1 /* See LICENSE for license details. */ 2 #ifndef __linux__ 3 #error This file is only meant to be compiled for Linux 4 #endif 5 6 #include "beamformer.h" 7 8 #include "os_linux.c" 9 10 #define OS_DEBUG_LIB_NAME "./beamformer.so" 11 #define OS_DEBUG_LIB_TEMP_NAME "./beamformer_temp.so" 12 13 #define OS_CUDA_LIB_NAME "./external/cuda_toolkit.so" 14 #define OS_CUDA_LIB_TEMP_NAME "./external/cuda_toolkit_temp.so" 15 16 #define OS_RENDERDOC_SONAME "librenderdoc.so" 17 18 #define OS_SMEM_NAME "/ogl_beamformer_shared_memory" 19 20 #define OS_PATH_SEPERATOR "/" 21 22 #include "static.c" 23 24 static void 25 dispatch_file_watch_events(OS *os, Arena arena) 26 { 27 FileWatchContext *fwctx = &os->file_watch_context; 28 u8 *mem = alloc_(&arena, 4096, 64, 1); 29 Stream path = stream_alloc(&arena, 256); 30 struct inotify_event *event; 31 32 iz rlen; 33 while ((rlen = read(fwctx->handle, mem, 4096)) > 0) { 34 for (u8 *data = mem; data < mem + rlen; data += sizeof(*event) + event->len) { 35 event = (struct inotify_event *)data; 36 for (u32 i = 0; i < fwctx->directory_watch_count; i++) { 37 FileWatchDirectory *dir = fwctx->directory_watches + i; 38 if (event->wd != dir->handle) 39 continue; 40 41 s8 file = c_str_to_s8(event->name); 42 u64 hash = s8_hash(file); 43 for (u32 i = 0; i < dir->file_watch_count; i++) { 44 FileWatch *fw = dir->file_watches + i; 45 if (fw->hash == hash) { 46 stream_append_s8(&path, dir->name); 47 stream_append_byte(&path, '/'); 48 stream_append_s8(&path, file); 49 stream_append_byte(&path, 0); 50 stream_commit(&path, -1); 51 fw->callback(os, stream_to_s8(&path), 52 fw->user_data, arena); 53 stream_reset(&path, 0); 54 break; 55 } 56 } 57 } 58 } 59 } 60 } 61 62 int 63 main(void) 64 { 65 BeamformerCtx ctx = {0}; 66 BeamformerInput input = {.executable_reloaded = 1}; 67 Arena temp_memory = os_alloc_arena((Arena){0}, MB(16)); 68 ctx.error_stream = stream_alloc(&temp_memory, MB(1)); 69 70 ctx.ui_backing_store = sub_arena(&temp_memory, MB(2), KB(4)); 71 ctx.os.compute_worker.arena = sub_arena(&temp_memory, MB(2), KB(4)); 72 73 #define X(name) ctx.os.name = os_ ## name; 74 OS_FNS 75 #undef X 76 77 ctx.os.file_watch_context.handle = inotify_init1(O_NONBLOCK|O_CLOEXEC); 78 ctx.os.compute_worker.asleep = 1; 79 ctx.os.stderr = STDERR_FILENO; 80 81 debug_init(&ctx.os, (iptr)&input, &temp_memory); 82 setup_beamformer(&ctx, &temp_memory); 83 os_wake_waiters(&ctx.os.compute_worker.sync_variable); 84 85 struct pollfd fds[1] = {{0}}; 86 fds[0].fd = ctx.os.file_watch_context.handle; 87 fds[0].events = POLLIN; 88 89 while (!ctx.should_exit) { 90 poll(fds, 2, 0); 91 if (fds[0].revents & POLLIN) 92 dispatch_file_watch_events(&ctx.os, temp_memory); 93 94 input.last_mouse = input.mouse; 95 input.mouse.rl = GetMousePosition(); 96 97 beamformer_frame_step(&ctx, &temp_memory, &input); 98 99 input.executable_reloaded = 0; 100 } 101 102 /* NOTE: make sure this will get cleaned up after external 103 * programs release their references */ 104 shm_unlink(OS_SMEM_NAME); 105 }