Use SDL for joypad input on Linux

SDL is loaded in the same way other Linux system libraries are loaded by using a wrapped and dlopen. Optionally, SDL can be dynamically linked into the binary. Currently for Linux only since that platform direly needs it, but should be easy to make work on Windows once stable. Proposal at: godotengine/godot-proposals#9000
godotengine · Oct 1, 2024 · 4bc0817 · 4bc0817
1 parent e3213aa
commit 4bc0817
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diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
@@ -476,6 +476,11 @@ Comment: RVO2
 Copyright: 2016, University of North Carolina at Chapel Hill
 License: Apache-2.0
 
+Files: ./thirdparty/sdl_headers/
+Comment: SDL
+Copyright: 1997-2024 Sam Lantinga
+License: Zlib
+
 Files: ./thirdparty/spirv-cross/
 Comment: SPIRV-Cross
 Copyright: 2015-2021, Arm Limited

diff --git a/drivers/SCsub b/drivers/SCsub
@@ -47,6 +47,9 @@ if env["metal"]:
         Exit(255)
     SConscript("metal/SCsub")
 
+# Input drivers
+SConscript("sdl/SCsub")
+
 # Core dependencies
 SConscript("png/SCsub")
 

diff --git a/drivers/sdl/SCsub b/drivers/sdl/SCsub
@@ -0,0 +1,9 @@
+#!/usr/bin/env python
+
+Import("env")
+
+if "sdl" in env and env["sdl"]:
+    if env["use_sowrap"]:
+        env.add_source_files(env.drivers_sources, "SDL2-so_wrap.c")
+
+env.add_source_files(env.drivers_sources, "*.cpp")
diff --git a/drivers/sdl/SDL2-so_wrap.c b/drivers/sdl/SDL2-so_wrap.c
diff --git a/drivers/sdl/SDL2-so_wrap.h b/drivers/sdl/SDL2-so_wrap.h