Fix SDL3 include

Author: ankith26

meson.build

@@ -84,6 +84,10 @@ sdl_mixer = '@0@_mixer'.format(sdl)
 sdl_ttf = '@0@_ttf'.format(sdl)
 sdl_image = '@0@_image'.format(sdl)
 
+if sdl_api == 3
+    add_global_arguments('-DPG_SDL3=1', language: 'c')
+endif
+
 pg_inc_dirs = []
 pg_lib_dirs = []
 if plat == 'win' and host_machine.cpu_family().startswith('x86')

src_c/SDL_gfx/SDL_gfxPrimitives.h

@@ -14,7 +14,11 @@ LGPL (c) A. Schiffler
 #define M_PI 3.1415926535897932384626433832795
 #endif
 
-#include "SDL.h"
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
+#include <SDL.h>
+#endif
 
 /* Set up for C function definitions, even when using C++ */
 #ifdef __cplusplus

src_c/_pygame.h

@@ -41,7 +41,11 @@
 #undef PYPY_VERSION
 #endif
 
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif
 
 #if SDL_VERSION_ATLEAST(3, 0, 0)
 #define PG_ShowCursor SDL_ShowCursor

src_c/palette.h

@@ -23,7 +23,11 @@
 #ifndef PALETTE_H
 #define PALETTE_H
 
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif
 
 /* SDL 2 does not assign a default palette color scheme to a new 8 bit
  * surface. Instead, the palette is set all white. This defines the SDL 1.2

src_c/pgcompat.c

@@ -1 +1,5 @@
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif

src_c/pgcompat_rect.h

@@ -1,7 +1,11 @@
 #ifndef PGCOMPAT_RECT_H
 #define PGCOMPAT_RECT_H
 
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif
 
 /* SDL 2.0.22 provides some utility functions for FRects */
 #if !(SDL_VERSION_ATLEAST(2, 0, 22))

src_c/scale2x.c

@@ -30,7 +30,12 @@
    surprised with this code!
 */
 
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif
+
 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
 

src_c/scrap.c

@@ -23,7 +23,11 @@
 #include <limits.h>
 #include <stdio.h>
 
-#include "SDL.h"
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
+#include <SDL.h>
+#endif
 
 #include "SDL_syswm.h"
 

src_c/scrap_sdl2.c

@@ -1,5 +1,10 @@
-#include "SDL.h"
-#include "SDL_clipboard.h"
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_clipboard.h>
+#else
+#include <SDL.h>
+#include <SDL_clipboard.h>
+#endif
 
 #define PYGAME_SCRAP_FREE_STRING 1
 

src_c/surface.h

@@ -29,7 +29,12 @@
 #undef _POSIX_C_SOURCE
 #endif
 
+#ifdef PG_SDL3
+#include <SDL3/SDL.h>
+#else
 #include <SDL.h>
+#endif
+
 #include "pygame.h"
 
 /* Blend modes */