Allow MessageBox to work without window

src/render/psp/SDL_render_psp.c

@@ -24,6 +24,8 @@
 
 #include "../SDL_sysrender.h"
 
+#include "SDL_render_psp_c.h"
+
 #include <pspkernel.h>
 #include <pspdisplay.h>
 #include <pspgu.h>
@@ -38,12 +40,6 @@
 
 // PSP renderer implementation, based on the PGE
 
-#define PSP_SCREEN_WIDTH  480
-#define PSP_SCREEN_HEIGHT 272
-
-#define PSP_FRAME_BUFFER_WIDTH 512
-#define PSP_FRAME_BUFFER_SIZE  (PSP_FRAME_BUFFER_WIDTH * PSP_SCREEN_HEIGHT)
-
 static unsigned int __attribute__((aligned(16))) DisplayList[262144];
 
 #define COL5650(r, g, b, a) ((r >> 3) | ((g >> 2) << 5) | ((b >> 3) << 11))

src/render/psp/SDL_render_psp_c.h

@@ -0,0 +1,30 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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_VIDEO_RENDER_PSP_C_H
+#define SDL_VIDEO_RENDER_PSP_C_H
+
+#define PSP_SCREEN_WIDTH  480
+#define PSP_SCREEN_HEIGHT 272
+
+#define PSP_FRAME_BUFFER_WIDTH 512
+#define PSP_FRAME_BUFFER_SIZE  (PSP_FRAME_BUFFER_WIDTH * PSP_SCREEN_HEIGHT)
+
+#endif // SDL_VIDEO_RENDER_PSP_C_H