mirror of https://github.com/encounter/SDL.git
164 lines
4.2 KiB
C
164 lines
4.2 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#ifdef SDL_VIDEO_DRIVER_N3DS
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#include "../SDL_sysvideo.h"
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#include "SDL_n3dsevents_c.h"
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#include "SDL_n3dsframebuffer_c.h"
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#include "SDL_n3dsswkb.h"
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#include "SDL_n3dsvideo.h"
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#define N3DSVID_DRIVER_NAME "n3ds"
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SDL_FORCE_INLINE void AddN3DSDisplay(gfxScreen_t screen);
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static int N3DS_VideoInit(_THIS);
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static void N3DS_VideoQuit(_THIS);
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static void N3DS_GetDisplayModes(_THIS, SDL_VideoDisplay *display);
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static int N3DS_CreateWindow(_THIS, SDL_Window *window);
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static void N3DS_DestroyWindow(_THIS, SDL_Window *window);
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/* N3DS driver bootstrap functions */
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static void
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N3DS_DeleteDevice(SDL_VideoDevice *device)
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{
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SDL_free(device->displays);
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SDL_free(device->driverdata);
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SDL_free(device);
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}
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static SDL_VideoDevice *
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N3DS_CreateDevice(void)
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{
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SDL_VideoDevice *device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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if (!device) {
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SDL_OutOfMemory();
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return (0);
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}
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device->VideoInit = N3DS_VideoInit;
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device->VideoQuit = N3DS_VideoQuit;
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device->GetDisplayModes = N3DS_GetDisplayModes;
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device->CreateSDLWindow = N3DS_CreateWindow;
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device->DestroyWindow = N3DS_DestroyWindow;
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device->HasScreenKeyboardSupport = N3DS_HasScreenKeyboardSupport;
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device->StartTextInput = N3DS_StartTextInput;
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device->StopTextInput = N3DS_StopTextInput;
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device->PumpEvents = N3DS_PumpEvents;
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device->CreateWindowFramebuffer = SDL_N3DS_CreateWindowFramebuffer;
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device->UpdateWindowFramebuffer = SDL_N3DS_UpdateWindowFramebuffer;
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device->DestroyWindowFramebuffer = SDL_N3DS_DestroyWindowFramebuffer;
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device->num_displays = 2;
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device->free = N3DS_DeleteDevice;
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return device;
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}
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VideoBootStrap N3DS_bootstrap = { N3DSVID_DRIVER_NAME, "N3DS Video Driver", N3DS_CreateDevice };
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static int
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N3DS_VideoInit(_THIS)
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{
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AddN3DSDisplay(GFX_TOP);
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AddN3DSDisplay(GFX_BOTTOM);
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N3DS_SwkbInit();
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return 0;
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}
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SDL_FORCE_INLINE void
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AddN3DSDisplay(gfxScreen_t screen)
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{
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SDL_DisplayMode mode;
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SDL_VideoDisplay display;
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SDL_zero(mode);
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SDL_zero(display);
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mode.w = (screen == GFX_TOP) ? GSP_SCREEN_HEIGHT_TOP : GSP_SCREEN_HEIGHT_BOTTOM;
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mode.h = GSP_SCREEN_WIDTH;
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mode.refresh_rate = 60;
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mode.format = FRAMEBUFFER_FORMAT;
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mode.driverdata = NULL;
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display.desktop_mode = mode;
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display.current_mode = mode;
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display.driverdata = NULL;
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SDL_AddVideoDisplay(&display, SDL_FALSE);
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}
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static void
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N3DS_VideoQuit(_THIS)
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{
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N3DS_SwkbQuit();
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return;
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}
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static void
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N3DS_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
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{
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/* Each display only has a single mode */
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SDL_AddDisplayMode(display, &display->current_mode);
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}
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static int
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N3DS_CreateWindow(_THIS, SDL_Window *window)
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{
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SDL_WindowData *drv_data = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
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if (drv_data == NULL) {
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return SDL_OutOfMemory();
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}
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if (window->flags & SDL_WINDOW_N3DS_BOTTOM) {
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drv_data->screen = GFX_BOTTOM;
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} else {
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drv_data->screen = GFX_TOP;
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}
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window->driverdata = drv_data;
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return 0;
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}
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static void
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N3DS_DestroyWindow(_THIS, SDL_Window *window)
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{
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if (window == NULL) {
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return;
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}
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SDL_free(window->driverdata);
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}
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#endif /* SDL_VIDEO_DRIVER_N3DS */
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/* vi: set sts=4 ts=4 sw=4 expandtab: */
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