diff options
Diffstat (limited to 'Podium/p_platform_win32.c')
| -rw-r--r-- | Podium/p_platform_win32.c | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/Podium/p_platform_win32.c b/Podium/p_platform_win32.c deleted file mode 100644 index 556b43b..0000000 --- a/Podium/p_platform_win32.c +++ /dev/null @@ -1,402 +0,0 @@ -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#include <mmsystem.h> -#include <xinput.h> /* gamepad support */ - -typedef struct { - HWAVEOUT wave_out; - WAVEHDR wave_header; -} P_Win32Ctx; - -struct P_Window_Impl { - HWND hwnd; - HDC hdc; - BITMAPINFO bitmap_info; - int width; - int height; - bool closed; -}; - -P_Win32Ctx p_ctx = {0}; - -static inline P_KeyCode -_win32_translate_vkey(WPARAM vk) -{ - switch (vk) { - case VK_LEFT: return P_KEY_LEFT; - case VK_RIGHT: return P_KEY_RIGHT; - case VK_UP: return P_KEY_UP; - case VK_DOWN: return P_KEY_DOWN; - case VK_SPACE: return P_KEY_SPACE; - case VK_ESCAPE: return P_KEY_ESCAPE; - case VK_RETURN: return P_KEY_ENTER; - case 'A': return P_KEY_A; - case 'B': return P_KEY_B; - case 'C': return P_KEY_C; - case 'D': return P_KEY_D; - case 'E': return P_KEY_E; - case 'F': return P_KEY_F; - case 'G': return P_KEY_G; - case 'H': return P_KEY_H; - case 'I': return P_KEY_I; - case 'J': return P_KEY_J; - case 'K': return P_KEY_K; - case 'L': return P_KEY_L; - case 'M': return P_KEY_M; - case 'N': return P_KEY_N; - case 'O': return P_KEY_O; - case 'P': return P_KEY_P; - case 'Q': return P_KEY_Q; - case 'R': return P_KEY_R; - case 'S': return P_KEY_S; - case 'T': return P_KEY_T; - case 'U': return P_KEY_U; - case 'V': return P_KEY_V; - case 'W': return P_KEY_W; - case 'X': return P_KEY_X; - case 'Y': return P_KEY_Y; - case 'Z': return P_KEY_Z; - default: return P_KEY_UNKNOWN; - } -} - -POAPI u64 -p_get_time(void) -{ - LARGE_INTEGER count, freq; - QueryPerformanceCounter(&count); - QueryPerformanceFrequency(&freq); - return (u64)((count.QuadPart * 1000000000ULL) / freq.QuadPart); -} - -POAPI void -p_sleep_ns(i64 ns) -{ - /* windows sleep is millisecond-based........ */ - Sleep((DWORD)(ns / 1000000)); -} - -POAPI void -p_stdout(void *msg, usize bytes) -{ - HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE); - DWORD bytes_written; - WriteFile(stdout_handle, msg, bytes, &bytes_written, NULL); -} - -POAPI bool -p_file_exists(const char *path) -{ - DWORD attr = GetFileAttributesA(path); - return (attr != INVALID_FILE_ATTRIBUTES && !(attr & FILE_ATTRIBUTE_DIRECTORY)); -} - -POAPI usize -p_file_size(const char *path) -{ - WIN32_FILE_ATTRIBUTE_DATA data; - if (GetFileAttributesExA(path, GetFileExInfoStandard, &data)) { - return data.nFileSizeLow; - } - return 0; -} - -PODEF void -p_file_load(const char *path, void *buf_ptr, unsigned long buf_size) -{ - HANDLE file = CreateFileA(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL); - if (file != INVALID_HANDLE_VALUE) { - DWORD bytes_read; - ReadFile(file, buf_ptr, buf_size, &bytes_read, NULL); - CloseHandle(file); - } -} - -PODEF void -p_file_write(const char *path, void *buf_ptr, unsigned long buf_size) -{ - HANDLE file = CreateFileA(path, GENERIC_WRITE, 0, NULL, - CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); - if (file != INVALID_HANDLE_VALUE) { - DWORD bytes_written; - WriteFile(file, buf_ptr, buf_size, &bytes_written, NULL); - CloseHandle(file); - } -} - -static LRESULT CALLBACK -_win32_wnd_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) { - P_Window *win = (P_Window*)GetWindowLongPtrA(hwnd, GWLP_USERDATA); - switch (msg) { - case WM_CLOSE: - /* Handled in poll_event; mark as closed */ - if (win) win->closed = true; - return 0; - } - return DefWindowProcA(hwnd, msg, wparam, lparam); -} - -POAPI bool -p_window_open(P_Window *win, int width, int height, const char *title) -{ - HINSTANCE instance = GetModuleHandleA(NULL); - - WNDCLASSA wc = {0}; - wc.lpfnWndProc = _win32_wnd_proc; - wc.hInstance = instance; - wc.lpszClassName = "P_Window_Class"; - wc.hCursor = LoadCursor(NULL, IDC_ARROW); - - RegisterClassA(&wc); - - win->hwnd = CreateWindowExA(0, wc.lpszClassName, title, - WS_OVERLAPPEDWINDOW | WS_VISIBLE, - CW_USEDEFAULT, CW_USEDEFAULT, width, height, - NULL, NULL, instance, NULL); - - if (!win->hwnd) return false; - - SetWindowLongPtrA(win->hwnd, GWLP_USERDATA, (LONG_PTR)win); - win->hdc = GetDC(win->hwnd); - win->width = width; - win->height = height; - win->closed = false; - - return true; -} - -POAPI void -p_window_close(P_Window *win) -{ - if (!win) return; - if (win->hdc) ReleaseDC(win->hwnd, win->hdc); - if (win->hwnd) DestroyWindow(win->hwnd); - win->hdc = NULL; - win->hwnd = NULL; -} - -POAPI bool -p_window_is_open(P_Window *win) -{ - return win && win->hwnd != NULL; -} - -POAPI void -p_window_size(P_Window *win, int *window_width, int *window_height) -{ - if (!win) return; - RECT rect; - GetClientRect(win->hwnd, &rect); - *window_width = rect.right - rect.left; - *window_height = rect.bottom - rect.top; - win->width = *window_width; - win->height = *window_height; -} - -POAPI void -p_window_draw(P_Window *win, u32 *pixels, int width, int height) -{ - BITMAPINFO bmi = {0}; - bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader); - bmi.bmiHeader.biWidth = width; - bmi.bmiHeader.biHeight = -height; /* top-down */ - bmi.bmiHeader.biPlanes = 1; - bmi.bmiHeader.biBitCount = 32; - bmi.bmiHeader.biCompression = BI_RGB; - - StretchDIBits(win->hdc, - 0, 0, win->width, win->height, - 0, 0, width, height, - pixels, &bmi, DIB_RGB_COLORS, SRCCOPY); -} - -POAPI bool -p_window_poll_event(P_Window *win, P_Event *ev) -{ - if (win->closed) { - win->closed = false; - ev->type = P_EVENT_WINDOW_CLOSE; - return true; - } - - MSG msg; - while (PeekMessageA(&msg, NULL, 0, 0, PM_REMOVE)) { - switch (msg.message) { - - case WM_QUIT: - ev->type = P_EVENT_WINDOW_CLOSE; - return true; - - /* Key press */ - case WM_KEYDOWN: - case WM_SYSKEYDOWN: - ev->type = P_EVENT_KEY_DOWN; - ev->key.key = _win32_translate_vkey(msg.wParam); - return true; - - /* Key release */ - case WM_KEYUP: - case WM_SYSKEYUP: - ev->type = P_EVENT_KEY_UP; - ev->key.key = _win32_translate_vkey(msg.wParam); - return true; - - /* Mouse movement */ - case WM_MOUSEMOVE: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_MOVED; - ev->pointer.button = 0; - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - /* Mouse buttons */ - case WM_LBUTTONDOWN: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_PRESSED; - ev->pointer.button = 1; /* 1 = LMB, matching X11 convention */ - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - case WM_LBUTTONUP: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_RELEASED; - ev->pointer.button = 1; - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - case WM_RBUTTONDOWN: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_PRESSED; - ev->pointer.button = 3; /* 3 = RMB */ - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - case WM_RBUTTONUP: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_RELEASED; - ev->pointer.button = 3; - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - case WM_MBUTTONDOWN: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_PRESSED; - ev->pointer.button = 2; /* 2 = MMB */ - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - case WM_MBUTTONUP: - ev->type = P_EVENT_POINTER; - ev->pointer.state = P_POINTER_RELEASED; - ev->pointer.button = 2; - ev->pointer.x = (u32)(msg.lParam & 0xFFFF); - ev->pointer.y = (u32)((msg.lParam >> 16) & 0xFFFF); - return true; - - /* Window resize */ - case WM_SIZE: - ev->type = P_EVENT_WINDOW_RESIZE; - ev->resize.width = (u32)(msg.lParam & 0xFFFF); - ev->resize.height = (u32)((msg.lParam >> 16) & 0xFFFF); - win->width = ev->resize.width; - win->height = ev->resize.height; - return true; - - default: - TranslateMessage(&msg); - DispatchMessageA(&msg); - break; - } - } - - 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) -{ - (void)name; (void)desc; /* WinMM doesn't use a stream name */ - - WAVEFORMATEX wfx = {0}; - wfx.wFormatTag = WAVE_FORMAT_PCM; - wfx.nChannels = channels; - wfx.nSamplesPerSec = sample_rate; - wfx.wBitsPerSample = 16; - wfx.nBlockAlign = (wfx.nChannels * wfx.wBitsPerSample) / 8; - wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign; - - if (waveOutOpen(&p_ctx.wave_out, WAVE_MAPPER, &wfx, 0, 0, CALLBACK_NULL) != MMSYSERR_NOERROR) { - exit(1); - } -} - -POAPI void -p_audio_quit() -{ - if (p_ctx.wave_out) { - waveOutReset(p_ctx.wave_out); - waveOutClose(p_ctx.wave_out); - p_ctx.wave_out = NULL; - } -} - -POAPI void -p_audio_write(const i16 *samples, usize count) -{ - if (!p_ctx.wave_out) return; - - WAVEHDR header = {0}; - header.lpData = (LPSTR)samples; - header.dwBufferLength = (DWORD)(count * sizeof(i16)); - - waveOutPrepareHeader(p_ctx.wave_out, &header, sizeof(WAVEHDR)); - waveOutWrite(p_ctx.wave_out, &header, sizeof(WAVEHDR)); - - /* wait for playback to finish (synchronous, mirrors pa_simple_drain) */ - while (!(header.dwFlags & WHDR_DONE)) Sleep(1); - - waveOutUnprepareHeader(p_ctx.wave_out, &header, sizeof(WAVEHDR)); -} - -#ifdef P_MODULE_VULKAN - -#ifndef VK_USE_PLATFORM_WIN32_KHR -#define VK_USE_PLATFORM_WIN32_KHR -#endif -#include <vulkan/vulkan_win32.h> - -POAPI char** -p_vulkan_get_extensions() -{ - char **darr = NULL; - p_darray_push(darr, "VK_KHR_surface"); - p_darray_push(darr, "VK_KHR_win32_surface"); - return darr; -} - -POAPI bool -p_vulkan_create_surface(P_Window *window, VkInstance instance, const VkAllocationCallbacks* allocator, VkSurfaceKHR* out_surface) -{ - if (!instance || !window || !window->hwnd || !out_surface) { - return false; - } - - VkWin32SurfaceCreateInfoKHR create_info = {0}; - create_info.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR; - create_info.pNext = NULL; - create_info.flags = 0; - create_info.hwnd = window->hwnd; - create_info.hinstance = GetModuleHandleA(NULL); - - VkResult result = vkCreateWin32SurfaceKHR(instance, &create_info, allocator, out_surface); - return (result == VK_SUCCESS); -} -#endif |