SWITCH: first commit, missing audio, input... (#1)

* SWITCH: first commit, missing audio, input...

src/video/SDL_sysvideo.h

@@ -439,6 +439,7 @@ extern VideoBootStrap QNX_bootstrap;
 extern VideoBootStrap OFFSCREEN_bootstrap;
 extern VideoBootStrap OS2DIVE_bootstrap;
 extern VideoBootStrap OS2VMAN_bootstrap;
+extern VideoBootStrap SWITCH_bootstrap;
 
 extern SDL_VideoDevice *SDL_GetVideoDevice(void);
 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);

src/video/SDL_video.c

@@ -117,6 +117,9 @@ static VideoBootStrap *bootstrap[] = {
     &OS2DIVE_bootstrap,
     &OS2VMAN_bootstrap,
 #endif
+#if SDL_VIDEO_DRIVER_SWITCH
+    &SWITCH_bootstrap,
+#endif
 #if SDL_VIDEO_DRIVER_DUMMY
     &DUMMY_bootstrap,
 #endif

src/video/switch/SDL_switchvideo.c

@@ -0,0 +1,168 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 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"
+
+#if SDL_VIDEO_DRIVER_SWITCH
+
+/* SDL internals */
+#include "../SDL_sysvideo.h"
+
+#include <switch.h>
+
+#define SWITCH_DATA "_SDL_SwitchData"
+#define SCREEN_WIDTH    1280
+#define SCREEN_HEIGHT   720
+
+static int SWITCH_VideoInit(_THIS);
+
+static int SWITCH_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode);
+
+static void SWITCH_VideoQuit(_THIS);
+
+static void SWITCH_PumpEvents(_THIS);
+
+static int SWITCH_CreateWindowFramebuffer(_THIS, SDL_Window *window, Uint32 *format, void **pixels, int *pitch);
+
+static int SWITCH_UpdateWindowFramebuffer(_THIS, SDL_Window *window, const SDL_Rect *rects, int numrects);
+
+static void SWITCH_DestroyWindowFramebuffer(_THIS, SDL_Window *window);
+
+static int SWITCH_Available(void)
+{
+    return 1;
+}
+
+static void SWITCH_DeleteDevice(SDL_VideoDevice *device)
+{
+    SDL_free(device);
+}
+
+static SDL_VideoDevice *SWITCH_CreateDevice(int devindex)
+{
+    SDL_VideoDevice *device;
+
+    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    device->VideoInit = SWITCH_VideoInit;
+    device->VideoQuit = SWITCH_VideoQuit;
+    device->SetDisplayMode = SWITCH_SetDisplayMode;
+    device->PumpEvents = SWITCH_PumpEvents;
+    device->CreateWindowFramebuffer = SWITCH_CreateWindowFramebuffer;
+    device->UpdateWindowFramebuffer = SWITCH_UpdateWindowFramebuffer;
+    device->DestroyWindowFramebuffer = SWITCH_DestroyWindowFramebuffer;
+
+    device->free = SWITCH_DeleteDevice;
+
+    return device;
+}
+
+VideoBootStrap SWITCH_bootstrap = {
+    "Switch", "Video driver for Nintendo Switch (libnx)",
+    SWITCH_Available, SWITCH_CreateDevice
+};
+
+static int SWITCH_VideoInit(_THIS)
+{
+    SDL_DisplayMode mode;
+
+    gfxInitResolution(SCREEN_WIDTH, SCREEN_HEIGHT);
+    gfxInitDefault();
+    gfxSetMode(GfxMode_LinearDouble);
+
+    mode.format = SDL_PIXELFORMAT_ARGB8888;
+    mode.w = SCREEN_WIDTH;
+    mode.h = SCREEN_HEIGHT;
+    mode.refresh_rate = 60;
+    mode.driverdata = NULL;
+    if (SDL_AddBasicVideoDisplay(&mode) < 0) {
+        return -1;
+    }
+
+    SDL_AddDisplayMode(&_this->displays[0], &mode);
+
+    return 0;
+}
+
+static void SWITCH_VideoQuit(_THIS)
+{
+    gfxExit();
+}
+
+static int SWITCH_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
+{
+    // TODO: use gfxConfigureResolution
+    return 0;
+}
+
+static void SWITCH_PumpEvents(_THIS)
+{
+    // TODO
+}
+
+typedef struct
+{
+} SWITCH_WindowData;
+
+static int SWITCH_CreateWindowFramebuffer(_THIS, SDL_Window *window, Uint32 *format, void **pixels, int *pitch)
+{
+    int w, h;
+
+    //SWITCH_WindowData *data = SDL_calloc(1, sizeof(SWITCH_WindowData));
+    //SDL_SetWindowData(window, SWITCH_DATA, data);
+
+    SDL_GetWindowSize(window, &w, &h);
+    gfxConfigureResolution(w, h);
+    *pitch = w * 4;
+    *format = SDL_PIXELFORMAT_ABGR8888;
+    *pixels = gfxGetFramebuffer(NULL, NULL);
+
+    return 0;
+}
+
+static int SWITCH_UpdateWindowFramebuffer(_THIS, SDL_Window *window, const SDL_Rect *rects, int numrects)
+{
+    //SWITCH_WindowData *data = (SWITCH_WindowData *) SDL_GetWindowData(window, SWITCH_DATA);
+    //if (!data) {
+    //    return SDL_SetError("Couldn't find switch data for window");
+    //}
+
+    gfxFlushBuffers();
+    gfxSwapBuffers();
+    gfxWaitForVsync();
+
+    // update fb ptr for double buffering
+    window->surface->pixels = gfxGetFramebuffer(NULL, NULL);
+
+    return 0;
+}
+
+static void SWITCH_DestroyWindowFramebuffer(_THIS, SDL_Window *window)
+{
+    //SWITCH_WindowData *data = (SWITCH_WindowData *) SDL_GetWindowData(window, SWITCH_DATA);
+    //SDL_free(data);
+}
+
+#endif /* SDL_VIDEO_DRIVER_SWITCH */