implementation for older SDL functions to use later

CMakeLists.txt

@@ -13,6 +13,17 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 ## Setup main source ##
 
+# oldimpls dir stuff
+set(OLDIMPLS_HEADERS
+	src/oldimpls/include.h
+	src/oldimpls/sdl/include.h
+)
+
+set(OLDIMPLS_SOURCE
+	src/oldimpls/sdl/rgb-surfaces.cpp
+)
+
+# main stuff
 set(MAIN_HEADERS
 	src/quadarray.h
 	src/audio.h
@@ -74,6 +85,7 @@ set(MAIN_HEADERS
 	chromasdk/RzErrors.h
 	chromasdk/ChromaApi.h
 	src/i18n.h
+	${OLDIMPLS_HEADERS}
 )
 
 set(MAIN_SOURCE
@@ -116,6 +128,7 @@ set(MAIN_SOURCE
 	src/oneshot.cpp
 	src/screen.cpp
 	src/i18n.cpp
+	${OLDIMPLS_SOURCE}
 )
 
 if(WIN32)

src/oldimpls/include.h

@@ -0,0 +1 @@
+#include "sdl/include.h"

src/oldimpls/sdl/include.h

@@ -0,0 +1,11 @@
+#ifndef _OLDIMPLS_SDL_INCLUDE_H
+#define _OLDIMPLS_SDL_INCLUDE_H
+
+#include <SDL3/SDL_surface.h>
+
+static SDL_Surface *SDL_CreateRGBSurface(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
+static SDL_Surface *SDL_CreateRGBSurfaceWithFormat(Uint32 flags, int width, int height, int depth, Uint32 format);
+static SDL_Surface *SDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
+static SDL_Surface *SDL_CreateRGBSurfaceWithFormatFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 format);
+
+#endif

src/oldimpls/sdl/rgb-surfaces.cpp

@@ -0,0 +1,26 @@
+#include "include.h"
+
+// taken from: https://wiki.libsdl.org/SDL3/README-migration#sdl_surfaceh
+
+static SDL_Surface *SDL_CreateRGBSurface(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
+{
+    return SDL_CreateSurface(width, height,
+            SDL_GetPixelFormatForMasks(depth, Rmask, Gmask, Bmask, Amask));
+}
+
+static SDL_Surface *SDL_CreateRGBSurfaceWithFormat(Uint32 flags, int width, int height, int depth, Uint32 format)
+{
+    return SDL_CreateSurface(width, height, (SDL_PixelFormat)format);
+}
+
+static SDL_Surface *SDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
+{
+    return SDL_CreateSurfaceFrom(width, height,
+                                 SDL_GetPixelFormatForMasks(depth, Rmask, Gmask, Bmask, Amask),
+                                 pixels, pitch);
+}
+
+static SDL_Surface *SDL_CreateRGBSurfaceWithFormatFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 format)
+{
+    return SDL_CreateSurfaceFrom(width, height, (SDL_PixelFormat)format, pixels, pitch);
+}