Prepare for SDL3 support

app/SDL_compat.h

@@ -0,0 +1,67 @@
+//
+// Compatibility header for older version of SDL.
+// Include this instead of SDL.h directly.
+//
+
+#pragma once
+
+#include <SDL.h>
+
+// SDL_FRect wasn't added until 2.0.10
+#if !SDL_VERSION_ATLEAST(2, 0, 10)
+typedef struct SDL_FRect
+{
+    float x;
+    float y;
+    float w;
+    float h;
+} SDL_FRect;
+#endif
+
+#ifndef SDL_HINT_VIDEO_X11_FORCE_EGL
+#define SDL_HINT_VIDEO_X11_FORCE_EGL "SDL_VIDEO_X11_FORCE_EGL"
+#endif
+
+#ifndef SDL_HINT_KMSDRM_REQUIRE_DRM_MASTER
+#define SDL_HINT_KMSDRM_REQUIRE_DRM_MASTER "SDL_KMSDRM_REQUIRE_DRM_MASTER"
+#endif
+
+#ifndef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED
+#define SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED "SDL_ALLOW_ALT_TAB_WHILE_GRABBED"
+#endif
+
+#ifndef SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE "SDL_JOYSTICK_HIDAPI_PS4_RUMBLE"
+#endif
+
+#ifndef SDL_HINT_JOYSTICK_HIDAPI_PS5_RUMBLE
+#define SDL_HINT_JOYSTICK_HIDAPI_PS5_RUMBLE "SDL_JOYSTICK_HIDAPI_PS5_RUMBLE"
+#endif
+
+#ifndef SDL_HINT_WINDOWS_USE_D3D9EX
+#define SDL_HINT_WINDOWS_USE_D3D9EX "SDL_WINDOWS_USE_D3D9EX"
+#endif
+
+#ifndef SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS
+#define SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS "SDL_GAMECONTROLLER_USE_BUTTON_LABELS"
+#endif
+
+#ifndef SDL_HINT_MOUSE_RELATIVE_SCALING
+#define SDL_HINT_MOUSE_RELATIVE_SCALING "SDL_MOUSE_RELATIVE_SCALING"
+#endif
+
+#ifndef SDL_HINT_AUDIO_DEVICE_APP_NAME
+#define SDL_HINT_AUDIO_DEVICE_APP_NAME "SDL_AUDIO_DEVICE_APP_NAME"
+#endif
+
+#ifndef SDL_HINT_APP_NAME
+#define SDL_HINT_APP_NAME "SDL_APP_NAME"
+#endif
+
+#ifndef SDL_HINT_MOUSE_AUTO_CAPTURE
+#define SDL_HINT_MOUSE_AUTO_CAPTURE "SDL_MOUSE_AUTO_CAPTURE"
+#endif
+
+#ifndef SDL_HINT_VIDEO_WAYLAND_EMULATE_MOUSE_WARP
+#define SDL_HINT_VIDEO_WAYLAND_EMULATE_MOUSE_WARP "SDL_VIDEO_WAYLAND_EMULATE_MOUSE_WARP"
+#endif

app/app.pro

@@ -214,6 +214,7 @@ SOURCES += \
     wm.cpp
 
 HEADERS += \
+    SDL_compat.h \
     backend/nvaddress.h \
     backend/nvapp.h \
     cli/pair.h \

app/gui/sdlgamepadkeynavigation.h

@@ -3,7 +3,7 @@
 #include <QTimer>
 #include <QEvent>
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #include "settings/streamingpreferences.h"
 

app/main.cpp

@@ -17,7 +17,7 @@
 // doing the same thing. This needs to be before any headers
 // that might include SDL.h themselves.
 #define SDL_MAIN_HANDLED
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #ifdef HAVE_FFMPEG
 #include "streaming/video/ffmpeg.h"
@@ -452,7 +452,7 @@ int main(int argc, char *argv[])
 #endif
     }
 
-#if !defined(Q_PROCESSOR_X86) && defined(SDL_HINT_VIDEO_X11_FORCE_EGL)
+#ifndef Q_PROCESSOR_X86
     // Some ARM and RISC-V embedded devices don't have working GLX which can cause
     // SDL to fail to find a working OpenGL implementation at all. Let's force EGL
     // on non-x86 platforms, since GLX is deprecated anyway.
@@ -508,12 +508,12 @@ int main(int argc, char *argv[])
     SDL_SetHint(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, "1");
 
     // We use MMAL to render on Raspberry Pi, so we do not require DRM master.
-    SDL_SetHint("SDL_KMSDRM_REQUIRE_DRM_MASTER", "0");
+    SDL_SetHint(SDL_HINT_KMSDRM_REQUIRE_DRM_MASTER, "0");
 
     // Use Direct3D 9Ex to avoid a deadlock caused by the D3D device being reset when
     // the user triggers a UAC prompt. This option controls the software/SDL renderer.
     // The DXVA2 renderer uses Direct3D 9Ex itself directly.
-    SDL_SetHint("SDL_WINDOWS_USE_D3D9EX", "1");
+    SDL_SetHint(SDL_HINT_WINDOWS_USE_D3D9EX, "1");
 
     if (SDL_InitSubSystem(SDL_INIT_TIMER) != 0) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
@@ -548,28 +548,28 @@ int main(int argc, char *argv[])
     // SDL 2.0.12 changes the default behavior to use the button label rather than the button
     // position as most other software does. Set this back to 0 to stay consistent with prior
     // releases of Moonlight.
-    SDL_SetHint("SDL_GAMECONTROLLER_USE_BUTTON_LABELS", "0");
+    SDL_SetHint(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS, "0");
 
     // Disable relative mouse scaling to renderer size or logical DPI. We want to send
     // the mouse motion exactly how it was given to us.
-    SDL_SetHint("SDL_MOUSE_RELATIVE_SCALING", "0");
+    SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_SCALING, "0");
 
     // Set our app name for SDL to use with PulseAudio and PipeWire. This matches what we
     // provide as our app name to libsoundio too. On SDL 2.0.18+, SDL_APP_NAME is also used
     // for screensaver inhibitor reporting.
-    SDL_SetHint("SDL_AUDIO_DEVICE_APP_NAME", "Moonlight");
-    SDL_SetHint("SDL_APP_NAME", "Moonlight");
+    SDL_SetHint(SDL_HINT_AUDIO_DEVICE_APP_NAME, "Moonlight");
+    SDL_SetHint(SDL_HINT_APP_NAME, "Moonlight");
 
     // We handle capturing the mouse ourselves when it leaves the window, so we don't need
     // SDL doing it for us behind our backs.
-    SDL_SetHint("SDL_MOUSE_AUTO_CAPTURE", "0");
+    SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "0");
 
     // SDL will try to lock the mouse cursor on Wayland if it's not visible in order to
     // support applications that assume they can warp the cursor (which isn't possible
     // on Wayland). We don't want this behavior because it interferes with seamless mouse
     // mode when toggling between windowed and fullscreen modes by unexpectedly locking
     // the mouse cursor.
-    SDL_SetHint("SDL_VIDEO_WAYLAND_EMULATE_MOUSE_WARP", "0");
+    SDL_SetHint(SDL_HINT_VIDEO_WAYLAND_EMULATE_MOUSE_WARP, "0");
 
 #ifdef QT_DEBUG
     // Allow thread naming using exceptions on debug builds. SDL doesn't use SEH

app/masterhook.c

@@ -15,7 +15,7 @@
 // redirection that happens when _FILE_OFFSET_BITS=64!
 // See masterhook_internal.c for details.
 
-#include <SDL.h>
+#include "SDL_compat.h"
 #include <dlfcn.h>
 #include <unistd.h>
 #include <errno.h>

app/masterhook_internal.c

@@ -4,7 +4,7 @@
 
 #define _GNU_SOURCE
 
-#include <SDL.h>
+#include "SDL_compat.h"
 #include <dlfcn.h>
 #include <fcntl.h>
 #include <unistd.h>

app/settings/mappingmanager.cpp

@@ -3,7 +3,7 @@
 
 #include <QDir>
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #define SER_GAMEPADMAPPING "gcmapping"
 

app/streaming/audio/renderers/sdl.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include "renderer.h"
-#include <SDL.h>
+#include "SDL_compat.h"
 
 class SdlAudioRenderer : public IAudioRenderer
 {

app/streaming/audio/renderers/sdlaud.cpp

@@ -1,7 +1,6 @@
 #include "sdl.h"
 
 #include <Limelight.h>
-#include <SDL.h>
 
 SdlAudioRenderer::SdlAudioRenderer()
     : m_AudioDevice(0),

app/streaming/audio/renderers/slaud.cpp

@@ -1,6 +1,6 @@
 #include "slaud.h"
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 SLAudioRenderer::SLAudioRenderer()
     : m_AudioContext(nullptr),

app/streaming/audio/renderers/soundioaudiorenderer.cpp

@@ -1,6 +1,6 @@
 #include "soundioaudiorenderer.h"
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #include <QtGlobal>
 

app/streaming/input/abstouch.cpp

@@ -1,7 +1,7 @@
 #include "input.h"
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 #include <SDL_syswm.h>
 #include "streaming/streamutils.h"
 

app/streaming/input/gamepad.cpp

@@ -1,7 +1,7 @@
 #include "streaming/session.h"
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 #include "settings/mappingmanager.h"
 
 #include <QtMath>

app/streaming/input/input.cpp

@@ -1,5 +1,5 @@
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 #include "streaming/session.h"
 #include "settings/mappingmanager.h"
 #include "path.h"
@@ -50,7 +50,7 @@ SdlInputHandler::SdlInputHandler(StreamingPreferences& prefs, int streamWidth, i
 #endif
 
     // Opt-out of SDL's built-in Alt+Tab handling while keyboard grab is enabled
-    SDL_SetHint("SDL_ALLOW_ALT_TAB_WHILE_GRABBED", "0");
+    SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0");
 
     // Allow clicks to pass through to us when focusing the window. If we're in
     // absolute mouse mode, this will avoid the user having to click twice to
@@ -62,8 +62,8 @@ SdlInputHandler::SdlInputHandler(StreamingPreferences& prefs, int streamWidth, i
     // controllers, but breaks DirectInput applications. We will enable it because
     // it's likely that working rumble is what the user is expecting. If they don't
     // want this behavior, they can override it with the environment variable.
-    SDL_SetHint("SDL_JOYSTICK_HIDAPI_PS4_RUMBLE", "1");
-    SDL_SetHint("SDL_JOYSTICK_HIDAPI_PS5_RUMBLE", "1");
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE, "1");
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS5_RUMBLE, "1");
 
     // Populate special key combo configuration
     m_SpecialKeyCombos[KeyComboQuit].keyCombo = KeyComboQuit;

app/streaming/input/input.h

@@ -3,7 +3,7 @@
 #include "settings/streamingpreferences.h"
 #include "backend/computermanager.h"
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 struct GamepadState {
     SDL_GameController* controller;

app/streaming/input/keyboard.cpp

@@ -1,7 +1,7 @@
 #include "streaming/session.h"
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #define VK_0 0x30
 #define VK_A 0x41

app/streaming/input/mouse.cpp

@@ -1,7 +1,7 @@
 #include "input.h"
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 #include "streaming/streamutils.h"
 
 void SdlInputHandler::handleMouseButtonEvent(SDL_MouseButtonEvent* event)

app/streaming/input/reltouch.cpp

@@ -1,7 +1,7 @@
 #include "input.h"
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #include <QtMath>
 

app/streaming/session.cpp

@@ -4,7 +4,7 @@
 #include "backend/richpresencemanager.h"
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 #include "utils.h"
 
 #ifdef HAVE_FFMPEG

app/streaming/streamutils.h

@@ -1,17 +1,6 @@
 #pragma once
 
-#include <SDL.h>
-
-// SDL_FRect wasn't added until 2.0.10
-#if !SDL_VERSION_ATLEAST(2, 0, 10)
-typedef struct SDL_FRect
-{
-    float x;
-    float y;
-    float w;
-    float h;
-} SDL_FRect;
-#endif
+#include "SDL_compat.h"
 
 class StreamUtils
 {

app/streaming/video/decoder.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <Limelight.h>
-#include <SDL.h>
+#include "SDL_compat.h"
 #include "settings/streamingpreferences.h"
 
 #define SDL_CODE_FRAME_READY 0

app/streaming/video/ffmpeg-renderers/eglvid.cpp

@@ -647,14 +647,12 @@ bool EGLRenderer::initialize(PDECODER_PARAMETERS params)
     // Detach the context from this thread, so the render thread can attach it
     SDL_GL_MakeCurrent(m_Window, nullptr);
 
-#ifdef SDL_HINT_VIDEO_X11_FORCE_EGL
     if (err == GL_NO_ERROR) {
         // If we got a working GL implementation via EGL, avoid using GLX from now on.
         // GLX will cause problems if we later want to use EGL again on this window.
         SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "EGL passed preflight checks. Using EGL for GL context creation.");
         SDL_SetHint(SDL_HINT_VIDEO_X11_FORCE_EGL, "1");
     }
-#endif
 
     return err == GL_NO_ERROR;
 }

app/streaming/video/ffmpeg-renderers/renderer.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #include "streaming/video/decoder.h"
 #include "streaming/video/overlaymanager.h"

app/streaming/video/overlaymanager.h

@@ -2,7 +2,7 @@
 
 #include <QString>
 
-#include <SDL.h>
+#include "SDL_compat.h"
 #include <SDL_ttf.h>
 
 namespace Overlay {

app/wm.cpp

@@ -3,7 +3,7 @@
 
 #include "utils.h"
 
-#include <SDL.h>
+#include "SDL_compat.h"
 
 #ifdef HAS_X11
 #include <X11/Xlib.h>