| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #ifdef SDL_VIDEO_DRIVER_N3DS |
| |
| #include "../SDL_sysvideo.h" |
| #include "SDL_n3dsevents_c.h" |
| #include "SDL_n3dsframebuffer_c.h" |
| #include "SDL_n3dsswkb.h" |
| #include "SDL_n3dstouch.h" |
| #include "SDL_n3dsvideo.h" |
| |
| #define N3DSVID_DRIVER_NAME "n3ds" |
| |
| SDL_FORCE_INLINE void AddN3DSDisplay(gfxScreen_t screen); |
| |
| static int N3DS_VideoInit(_THIS); |
| static void N3DS_VideoQuit(_THIS); |
| static void N3DS_GetDisplayModes(_THIS, SDL_VideoDisplay *display); |
| static int N3DS_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect); |
| static int N3DS_CreateWindow(_THIS, SDL_Window *window); |
| static void N3DS_DestroyWindow(_THIS, SDL_Window *window); |
| |
| typedef struct |
| { |
| gfxScreen_t screen; |
| } DisplayDriverData; |
| |
| /* N3DS driver bootstrap functions */ |
| |
| static void N3DS_DeleteDevice(SDL_VideoDevice *device) |
| { |
| SDL_free(device->displays); |
| SDL_free(device->driverdata); |
| SDL_free(device); |
| } |
| |
| static SDL_VideoDevice *N3DS_CreateDevice(void) |
| { |
| SDL_VideoDevice *device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice)); |
| if (device == NULL) { |
| SDL_OutOfMemory(); |
| return 0; |
| } |
| |
| device->VideoInit = N3DS_VideoInit; |
| device->VideoQuit = N3DS_VideoQuit; |
| |
| device->GetDisplayModes = N3DS_GetDisplayModes; |
| device->GetDisplayBounds = N3DS_GetDisplayBounds; |
| |
| device->CreateSDLWindow = N3DS_CreateWindow; |
| device->DestroyWindow = N3DS_DestroyWindow; |
| |
| device->HasScreenKeyboardSupport = N3DS_HasScreenKeyboardSupport; |
| device->StartTextInput = N3DS_StartTextInput; |
| device->StopTextInput = N3DS_StopTextInput; |
| |
| device->PumpEvents = N3DS_PumpEvents; |
| |
| device->CreateWindowFramebuffer = SDL_N3DS_CreateWindowFramebuffer; |
| device->UpdateWindowFramebuffer = SDL_N3DS_UpdateWindowFramebuffer; |
| device->DestroyWindowFramebuffer = SDL_N3DS_DestroyWindowFramebuffer; |
| |
| device->free = N3DS_DeleteDevice; |
| |
| return device; |
| } |
| |
| VideoBootStrap N3DS_bootstrap = { N3DSVID_DRIVER_NAME, "N3DS Video Driver", N3DS_CreateDevice }; |
| |
| static int N3DS_VideoInit(_THIS) |
| { |
| gfxInit(GSP_RGBA8_OES, GSP_RGBA8_OES, false); |
| hidInit(); |
| |
| AddN3DSDisplay(GFX_TOP); |
| AddN3DSDisplay(GFX_BOTTOM); |
| |
| N3DS_InitTouch(); |
| N3DS_SwkbInit(); |
| |
| return 0; |
| } |
| |
| SDL_FORCE_INLINE void |
| AddN3DSDisplay(gfxScreen_t screen) |
| { |
| SDL_DisplayMode mode; |
| SDL_VideoDisplay display; |
| DisplayDriverData *display_driver_data = SDL_calloc(1, sizeof(DisplayDriverData)); |
| if (display_driver_data == NULL) { |
| SDL_OutOfMemory(); |
| return; |
| } |
| |
| SDL_zero(mode); |
| SDL_zero(display); |
| |
| display_driver_data->screen = screen; |
| |
| mode.w = (screen == GFX_TOP) ? GSP_SCREEN_HEIGHT_TOP : GSP_SCREEN_HEIGHT_BOTTOM; |
| mode.h = GSP_SCREEN_WIDTH; |
| mode.refresh_rate = 60; |
| mode.format = FRAMEBUFFER_FORMAT; |
| mode.driverdata = NULL; |
| |
| display.name = (screen == GFX_TOP) ? "N3DS top screen" : "N3DS bottom screen"; |
| display.desktop_mode = mode; |
| display.current_mode = mode; |
| display.driverdata = display_driver_data; |
| |
| SDL_AddVideoDisplay(&display, SDL_FALSE); |
| } |
| |
| static void N3DS_VideoQuit(_THIS) |
| { |
| N3DS_SwkbQuit(); |
| N3DS_QuitTouch(); |
| |
| hidExit(); |
| gfxExit(); |
| } |
| |
| static void N3DS_GetDisplayModes(_THIS, SDL_VideoDisplay *display) |
| { |
| /* Each display only has a single mode */ |
| SDL_AddDisplayMode(display, &display->current_mode); |
| } |
| |
| static int N3DS_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect) |
| { |
| DisplayDriverData *driver_data = (DisplayDriverData *)display->driverdata; |
| if (driver_data == NULL) { |
| return -1; |
| } |
| rect->x = 0; |
| rect->y = (driver_data->screen == GFX_TOP) ? 0 : GSP_SCREEN_WIDTH; |
| rect->w = display->current_mode.w; |
| rect->h = display->current_mode.h; |
| |
| return 0; |
| } |
| |
| static int N3DS_CreateWindow(_THIS, SDL_Window *window) |
| { |
| DisplayDriverData *display_data; |
| SDL_WindowData *window_data = (SDL_WindowData *)SDL_calloc(1, sizeof(SDL_WindowData)); |
| if (window_data == NULL) { |
| return SDL_OutOfMemory(); |
| } |
| display_data = (DisplayDriverData *)SDL_GetDisplayDriverData(window->display_index); |
| window_data->screen = display_data->screen; |
| window->driverdata = window_data; |
| SDL_SetKeyboardFocus(window); |
| return 0; |
| } |
| |
| static void N3DS_DestroyWindow(_THIS, SDL_Window *window) |
| { |
| if (window == NULL) { |
| return; |
| } |
| SDL_free(window->driverdata); |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_N3DS */ |
| |
| /* vi: set sts=4 ts=4 sw=4 expandtab: */ |