port: add start window maximized flag to config

port/fast3d/gfx_api.h

@@ -31,7 +31,7 @@ extern float gfx_current_native_aspect; // The aspect ratio of the above mode
 extern bool gfx_framebuffers_enabled;
 
 void gfx_init(struct GfxWindowManagerAPI* wapi, struct GfxRenderingAPI* rapi, const char* game_name,
-              bool start_in_fullscreen, uint32_t width, uint32_t height,
+              bool start_in_fullscreen, bool start_maximized, uint32_t width, uint32_t height,
               uint32_t posX, uint32_t posY);
 void gfx_destroy(void);
 struct GfxRenderingAPI* gfx_get_current_rendering_api(void);

port/fast3d/gfx_pc.cpp

@@ -2699,10 +2699,10 @@ extern "C" void gfx_get_dimensions(uint32_t* width, uint32_t* height, int32_t* p
 }
 
 extern "C" void gfx_init(struct GfxWindowManagerAPI* wapi, struct GfxRenderingAPI* rapi, const char* game_name,
-              bool start_in_fullscreen, uint32_t width, uint32_t height, uint32_t posX, uint32_t posY) {
+              bool start_in_fullscreen, bool start_maximized, uint32_t width, uint32_t height, uint32_t posX, uint32_t posY) {
     gfx_wapi = wapi;
     gfx_rapi = rapi;
-    gfx_wapi->init(game_name, rapi->get_name(), start_in_fullscreen, width, height, posX, posY);
+    gfx_wapi->init(game_name, rapi->get_name(), start_in_fullscreen, start_maximized, width, height, posX, posY);
     gfx_rapi->init();
     gfx_rapi->update_framebuffer_parameters(0, width, height, 1, false, true, true, true);
     gfx_current_dimensions.internal_mul = 1;

port/fast3d/gfx_sdl2.cpp

@@ -84,7 +84,7 @@ static void gfx_sdl_get_active_window_refresh_rate(uint32_t* refresh_rate) {
     *refresh_rate = mode.refresh_rate;
 }
 
-static void gfx_sdl_init(const char* game_name, const char* gfx_api_name, bool start_in_fullscreen, uint32_t width,
+static void gfx_sdl_init(const char* game_name, const char* gfx_api_name, bool start_in_fullscreen, bool start_maximized, uint32_t width,
                          uint32_t height, int32_t posX, int32_t posY) {
     window_width = width;
     window_height = height;
@@ -110,7 +110,11 @@ static void gfx_sdl_init(const char* game_name, const char* gfx_api_name, bool s
         posY = 100;
     }
 
-    const Uint32 flags = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_OPENGL;
+    Uint32 flags = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_OPENGL;
+    if (start_maximized) {
+        flags |= SDL_WINDOW_MAXIMIZED;
+    }
+
     wnd = SDL_CreateWindow(title, posX, posY, window_width, window_height, flags);
     if (!wnd) {
         sysFatalError("Could not open SDL window:\n%s", SDL_GetError());

port/fast3d/gfx_window_manager_api.h

@@ -5,7 +5,7 @@
 #include <stdbool.h>
 
 struct GfxWindowManagerAPI {
-    void (*init)(const char* game_name, const char* gfx_api_name, bool start_in_fullscreen, uint32_t width,
+    void (*init)(const char* game_name, const char* gfx_api_name, bool start_in_fullscreen, bool start_maximized, uint32_t width,
                  uint32_t height, int32_t posX, int32_t posY);
     void (*close)(void);
     void (*set_fullscreen_changed_callback)(void (*on_fullscreen_changed)(bool is_now_fullscreen));

port/src/video.c

@@ -21,6 +21,7 @@ static s32 vidWidth = 640;
 static s32 vidHeight = 480;
 static s32 vidFramebuffers = true;
 static s32 vidFullscreen = false;
+static s32 vidMaximize = false;
 static s32 vidVsync = 1;
 static s32 vidMSAA = 1;
 static s32 vidFramerateLimit = 0;
@@ -44,7 +45,7 @@ s32 videoInit(void)
 	gfx_framebuffers_enabled = (bool)vidFramebuffers;
 	gfx_msaa_level = vidMSAA;
 
-	gfx_init(wmAPI, renderingAPI, "PD", vidFullscreen, vidWidth, vidHeight, 100, 100);
+	gfx_init(wmAPI, renderingAPI, "PD", vidFullscreen, vidMaximize, vidWidth, vidHeight, 100, 100);
 
 	if (!wmAPI->set_swap_interval(vidVsync)) {
 		vidVsync = 0;
@@ -232,6 +233,7 @@ void videoFreeCachedTexture(const void *texptr)
 PD_CONSTRUCTOR static void videoConfigInit(void)
 {
 	configRegisterInt("Video.DefaultFullscreen", &vidFullscreen, 0, 1);
+	configRegisterInt("Video.DefaultMaximize", &vidMaximize, 0, 1);
 	configRegisterInt("Video.DefaultWidth", &vidWidth, 0, 32767);
 	configRegisterInt("Video.DefaultHeight", &vidHeight, 0, 32767);
 	configRegisterInt("Video.VSync", &vidVsync, -1, 10);