Initial commit

1 files changed, 78 insertions, 0 deletions

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