6 files changed, 388 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/dummy/SDL_nullevents.c b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullevents.c
new file mode 100644
index 0000000..2a7cdd4
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullevents.c
@@ -0,0 +1,38 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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_DUMMY
+
+/* Being a null driver, there's no event stream. We just define stubs for
+   most of the API. */
+
+#include "../../events/SDL_events_c.h"
+
+#include "SDL_nullvideo.h"
+#include "SDL_nullevents_c.h"
+
+void DUMMY_PumpEvents(SDL_VideoDevice *_this)
+{
+    // do nothing.
+}
+
+#endif // SDL_VIDEO_DRIVER_DUMMY
diff --git a/contrib/SDL-3.2.8/src/video/dummy/SDL_nullevents_c.h b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullevents_c.h
new file mode 100644
index 0000000..8baed95
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullevents_c.h
@@ -0,0 +1,31 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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.
+*/
+
+#ifndef SDL_nullevents_c_h_
+#define SDL_nullevents_c_h_
+
+#include "SDL_internal.h"
+
+#include "SDL_nullvideo.h"
+
+extern void DUMMY_PumpEvents(SDL_VideoDevice *_this);
+
+#endif // SDL_nullevents_c_h_
diff --git a/contrib/SDL-3.2.8/src/video/dummy/SDL_nullframebuffer.c b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullframebuffer.c
new file mode 100644
index 0000000..f37510c
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullframebuffer.c
@@ -0,0 +1,78 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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_DUMMY
+
+#include "../SDL_sysvideo.h"
+#include "../../SDL_properties_c.h"
+#include "SDL_nullframebuffer_c.h"
+
+#define DUMMY_SURFACE "SDL.internal.window.surface"
+
+
+bool SDL_DUMMY_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, SDL_PixelFormat *format, void **pixels, int *pitch)
+{
+    SDL_Surface *surface;
+    const SDL_PixelFormat surface_format = SDL_PIXELFORMAT_XRGB8888;
+    int w, h;
+
+    // Create a new framebuffer
+    SDL_GetWindowSizeInPixels(window, &w, &h);
+    surface = SDL_CreateSurface(w, h, surface_format);
+    if (!surface) {
+        return false;
+    }
+
+    // Save the info and return!
+    SDL_SetSurfaceProperty(SDL_GetWindowProperties(window), DUMMY_SURFACE, surface);
+    *format = surface_format;
+    *pixels = surface->pixels;
+    *pitch = surface->pitch;
+    return true;
+}
+
+bool SDL_DUMMY_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rects, int numrects)
+{
+    static int frame_number;
+    SDL_Surface *surface;
+
+    surface = (SDL_Surface *)SDL_GetPointerProperty(SDL_GetWindowProperties(window), DUMMY_SURFACE, NULL);
+    if (!surface) {
+        return SDL_SetError("Couldn't find dummy surface for window");
+    }
+
+    // Send the data to the display
+    if (SDL_GetHintBoolean(SDL_HINT_VIDEO_DUMMY_SAVE_FRAMES, false)) {
+        char file[128];
+        (void)SDL_snprintf(file, sizeof(file), "SDL_window%" SDL_PRIu32 "-%8.8d.bmp",
+                           SDL_GetWindowID(window), ++frame_number);
+        SDL_SaveBMP(surface, file);
+    }
+    return true;
+}
+
+void SDL_DUMMY_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_ClearProperty(SDL_GetWindowProperties(window), DUMMY_SURFACE);
+}
+
+#endif // SDL_VIDEO_DRIVER_DUMMY
diff --git a/contrib/SDL-3.2.8/src/video/dummy/SDL_nullframebuffer_c.h b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullframebuffer_c.h
new file mode 100644
index 0000000..819b841
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullframebuffer_c.h
@@ -0,0 +1,31 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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.
+*/
+
+#ifndef SDL_nullframebuffer_c_h_
+#define SDL_nullframebuffer_c_h_
+
+#include "SDL_internal.h"
+
+extern bool SDL_DUMMY_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, SDL_PixelFormat *format, void **pixels, int *pitch);
+extern bool SDL_DUMMY_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rects, int numrects);
+extern void SDL_DUMMY_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window);
+
+#endif // SDL_nullframebuffer_c_h_
diff --git a/contrib/SDL-3.2.8/src/video/dummy/SDL_nullvideo.c b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullvideo.c
new file mode 100644
index 0000000..7be4ae1
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullvideo.c
@@ -0,0 +1,182 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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_DUMMY
+
+/* Dummy SDL video driver implementation; this is just enough to make an
+ *  SDL-based application THINK it's got a working video driver, for
+ *  applications that call SDL_Init(SDL_INIT_VIDEO) when they don't need it,
+ *  and also for use as a collection of stubs when porting SDL to a new
+ *  platform for which you haven't yet written a valid video driver.
+ *
+ * This is also a great way to determine bottlenecks: if you think that SDL
+ *  is a performance problem for a given platform, enable this driver, and
+ *  then see if your application runs faster without video overhead.
+ *
+ * Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion
+ *  of this was cut-and-pasted from Stephane Peter's work in the AAlib
+ *  SDL video driver.  Renamed to "DUMMY" by Sam Lantinga.
+ */
+
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+#ifdef SDL_INPUT_LINUXEV
+#include "../../core/linux/SDL_evdev.h"
+#endif
+
+#include "SDL_nullvideo.h"
+#include "SDL_nullevents_c.h"
+#include "SDL_nullframebuffer_c.h"
+
+#define DUMMYVID_DRIVER_NAME       "dummy"
+#define DUMMYVID_DRIVER_EVDEV_NAME "evdev"
+
+// Initialization/Query functions
+static bool DUMMY_VideoInit(SDL_VideoDevice *_this);
+static void DUMMY_VideoQuit(SDL_VideoDevice *_this);
+
+static bool DUMMY_SetWindowPosition(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_MOVED, window->pending.x, window->pending.y);
+    return true;
+}
+
+static void DUMMY_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, window->pending.w, window->pending.h);
+}
+
+// DUMMY driver bootstrap functions
+
+static bool DUMMY_Available(const char *enable_hint)
+{
+    const char *hint = SDL_GetHint(SDL_HINT_VIDEO_DRIVER);
+    if (hint) {
+        if (SDL_strcmp(hint, enable_hint) == 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static void DUMMY_DeleteDevice(SDL_VideoDevice *device)
+{
+    SDL_free(device);
+}
+
+static SDL_VideoDevice *DUMMY_InternalCreateDevice(const char *enable_hint)
+{
+    SDL_VideoDevice *device;
+
+    if (!DUMMY_Available(enable_hint)) {
+        return NULL;
+    }
+
+    // Initialize all variables that we clean on shutdown
+    device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        return NULL;
+    }
+    device->is_dummy = true;
+
+    // Set the function pointers
+    device->VideoInit = DUMMY_VideoInit;
+    device->VideoQuit = DUMMY_VideoQuit;
+    device->PumpEvents = DUMMY_PumpEvents;
+    device->SetWindowSize = DUMMY_SetWindowSize;
+    device->SetWindowPosition = DUMMY_SetWindowPosition;
+    device->CreateWindowFramebuffer = SDL_DUMMY_CreateWindowFramebuffer;
+    device->UpdateWindowFramebuffer = SDL_DUMMY_UpdateWindowFramebuffer;
+    device->DestroyWindowFramebuffer = SDL_DUMMY_DestroyWindowFramebuffer;
+    device->free = DUMMY_DeleteDevice;
+
+    return device;
+}
+
+static SDL_VideoDevice *DUMMY_CreateDevice(void)
+{
+    return DUMMY_InternalCreateDevice(DUMMYVID_DRIVER_NAME);
+}
+
+VideoBootStrap DUMMY_bootstrap = {
+    DUMMYVID_DRIVER_NAME, "SDL dummy video driver",
+    DUMMY_CreateDevice,
+    NULL, // no ShowMessageBox implementation
+    false
+};
+
+#ifdef SDL_INPUT_LINUXEV
+
+static void DUMMY_EVDEV_Poll(SDL_VideoDevice *_this)
+{
+    (void)_this;
+    SDL_EVDEV_Poll();
+}
+
+static SDL_VideoDevice *DUMMY_EVDEV_CreateDevice(void)
+{
+    SDL_VideoDevice *device = DUMMY_InternalCreateDevice(DUMMYVID_DRIVER_EVDEV_NAME);
+    if (device) {
+        device->PumpEvents = DUMMY_EVDEV_Poll;
+    }
+    return device;
+}
+
+VideoBootStrap DUMMY_evdev_bootstrap = {
+    DUMMYVID_DRIVER_EVDEV_NAME, "SDL dummy video driver with evdev",
+    DUMMY_EVDEV_CreateDevice,
+    NULL, // no ShowMessageBox implementation
+    false
+};
+
+#endif // SDL_INPUT_LINUXEV
+
+bool DUMMY_VideoInit(SDL_VideoDevice *_this)
+{
+    SDL_DisplayMode mode;
+
+    // Use a fake 32-bpp desktop mode
+    SDL_zero(mode);
+    mode.format = SDL_PIXELFORMAT_XRGB8888;
+    mode.w = 1024;
+    mode.h = 768;
+    if (SDL_AddBasicVideoDisplay(&mode) == 0) {
+        return false;
+    }
+
+#ifdef SDL_INPUT_LINUXEV
+    SDL_EVDEV_Init();
+#endif
+
+    // We're done!
+    return true;
+}
+
+void DUMMY_VideoQuit(SDL_VideoDevice *_this)
+{
+#ifdef SDL_INPUT_LINUXEV
+    SDL_EVDEV_Quit();
+#endif
+}
+
+#endif // SDL_VIDEO_DRIVER_DUMMY
diff --git a/contrib/SDL-3.2.8/src/video/dummy/SDL_nullvideo.h b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullvideo.h
new file mode 100644
index 0000000..8a43794
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/dummy/SDL_nullvideo.h
@@ -0,0 +1,28 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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"
+
+#ifndef SDL_nullvideo_h_
+#define SDL_nullvideo_h_
+
+#include "../SDL_sysvideo.h"
+
+#endif // SDL_nullvideo_h_