Added CMake support for SDL3.
Now supports including SDL2 or SDL3 as a subdirectory within the project. The system will first check for SDL3, then SDL2. If neither is found, it will attempt find_package(SDL3), followed by find_package(SDL2). If all these checks fail, the process will terminate with an error.
This commit is contained in:
Karim Ahmed
2025-07-24 09:48:52 +01:00
parent 9a042bc9ad
commit 32960af1dc
2 changed files with 46 additions and 5 deletions

View File

@@ -101,10 +101,37 @@ elseif ("${PLATFORM}" MATCHES "DRM")
set(LIBS_PRIVATE ${GLESV2} ${EGL} ${DRM} ${GBM} atomic pthread m dl)
elseif ("${PLATFORM}" MATCHES "SDL")
find_package(SDL2 REQUIRED)
set(PLATFORM_CPP "PLATFORM_DESKTOP_SDL")
set(LIBS_PRIVATE SDL2::SDL2)
# First, check if SDL is included as a subdirectory
if(TARGET SDL3::SDL3)
message(STATUS "Using SDL3 from subdirectory")
set(PLATFORM_CPP "PLATFORM_DESKTOP_SDL")
set(LIBS_PRIVATE SDL3::SDL3)
add_compile_definitions(USING_SDL3_PROJECT)
elseif(TARGET SDL2::SDL2)
message(STATUS "Using SDL2 from subdirectory")
set(PLATFORM_CPP "PLATFORM_DESKTOP_SDL")
set(LIBS_PRIVATE SDL2::SDL2)
add_compile_definitions(USING_SDL2_PROJECT)
else()
# No SDL added via add_subdirectory(), try find_package()
message(STATUS "No SDL target from subdirectory, searching via find_package()...")
# First try SDL3
find_package(SDL3 QUIET)
if(SDL3_FOUND)
message(STATUS "Found SDL3 via find_package()")
set(PLATFORM_CPP "PLATFORM_DESKTOP_SDL")
set(LIBS_PRIVATE SDL3::SDL3)
add_compile_definitions(USING_SDL3_PACKAGE)
else()
# Fallback to SDL2
find_package(SDL2 REQUIRED)
message(STATUS "Found SDL2 via find_package()")
set(PLATFORM_CPP "PLATFORM_DESKTOP_SDL")
set(LIBS_PRIVATE SDL2::SDL2)
add_compile_definitions(USING_SDL2_PACKAGE)
endif()
endif()
endif ()
if (NOT ${OPENGL_VERSION} MATCHES "OFF")

View File

@@ -52,13 +52,27 @@
#ifndef SDL_ENABLE_OLD_NAMES
#define SDL_ENABLE_OLD_NAMES // Just in case we're on SDL3, we need some in-between compatibily
#endif
#include "SDL.h" // SDL base library (window/rendered, input, timing... functionality)
// SDL base library (window/rendered, input, timing... functionality)
#ifdef USING_SDL3_PROJECT
#include "SDL3/SDL.h"
#elif USING_SDL2_PROJECT
#include "SDL2/SDL.h"
#else
#include "SDL.h"
#endif
#if defined(GRAPHICS_API_OPENGL_ES2)
// It seems it does not need to be included to work
//#include "SDL_opengles2.h"
#else
#include "SDL_opengl.h" // SDL OpenGL functionality (if required, instead of internal renderer)
// SDL OpenGL functionality (if required, instead of internal renderer)
#ifdef USING_SDL3_PROJECT
#include "SDL3/SDL_opengl.h"
#elif USING_SDL2_PROJECT
#include "SDL2/SDL_opengl.h"
#else
#include "SDL_opengl.h"
#endif
#endif
//----------------------------------------------------------------------------------