Update SDL to 2.30.9

extlib/SDL2/cmake/sdl2-config.cmake

@@ -1,7 +1,7 @@
 # SDL2 CMake configuration file:
 # This file is meant to be placed in a cmake subfolder of SDL2-devel-2.x.y-VC
 
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.0...3.5)
 
 include(FeatureSummary)
 set_package_properties(SDL2 PROPERTIES
@@ -68,6 +68,8 @@ if(EXISTS "${_sdl2_library}" AND EXISTS "${_sdl2_dll_library}")
                 IMPORTED_LOCATION "${_sdl2_dll_library}"
                 COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
                 INTERFACE_SDL2_SHARED "ON"
+                COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
+                INTERFACE_SDL_VERSION "SDL2"
         )
     endif()
     set(SDL2_SDL2_FOUND TRUE)
@@ -77,18 +79,22 @@ endif()
 unset(_sdl2_library)
 unset(_sdl2_dll_library)
 
+set(SDL2_SDL2-static_FOUND FALSE)
+
 set(_sdl2main_library "${SDL2_LIBDIR}/SDL2main.lib")
 if(EXISTS "${_sdl2main_library}")
     if(NOT TARGET SDL2::SDL2main)
         add_library(SDL2::SDL2main STATIC IMPORTED)
         set_target_properties(SDL2::SDL2main
         PROPERTIES
             IMPORTED_LOCATION "${_sdl2main_library}"
+            COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
+            INTERFACE_SDL_VERSION "SDL2"
         )
     endif()
     set(SDL2_SDL2main_FOUND TRUE)
 else()
-    set(SDL2_SDL2_FOUND FALSE)
+    set(SDL2_SDL2main_FOUND FALSE)
 endif()
 unset(_sdl2main_library)
 
@@ -100,11 +106,13 @@ if(EXISTS "${_sdl2test_library}")
             PROPERTIES
                 INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
                 IMPORTED_LOCATION "${_sdl2test_library}"
+                COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
+                INTERFACE_SDL_VERSION "SDL2"
         )
     endif()
     set(SDL2_SDL2test_FOUND TRUE)
 else()
-    set(SDL2_SDL2_FOUND FALSE)
+    set(SDL2_SDL2test_FOUND FALSE)
 endif()
 unset(_sdl2test_library)
 

extlib/SDL2/include/SDL.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages

extlib/SDL2/include/SDL_assert.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -55,6 +55,8 @@ assert can have unique static variables associated with it.
     #define SDL_TriggerBreakpoint() __builtin_debugtrap()
 #elif ( (!defined(__NACL__)) && ((defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))) )
     #define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "int $3\n\t" )
+#elif (defined(__GNUC__) || defined(__clang__)) && defined(__riscv)
+    #define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "ebreak\n\t" )
 #elif ( defined(__APPLE__) && (defined(__arm64__) || defined(__aarch64__)) )  /* this might work on other ARM targets, but this is a known quantity... */
     #define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "brk #22\n\t" )
 #elif defined(__APPLE__) && defined(__arm__)
@@ -125,12 +127,10 @@ typedef struct SDL_AssertData
     const struct SDL_AssertData *next;
 } SDL_AssertData;
 
-#if (SDL_ASSERT_LEVEL > 0)
-
 /* Never call this directly. Use the SDL_assert* macros. */
 extern DECLSPEC SDL_AssertState SDLCALL SDL_ReportAssertion(SDL_AssertData *,
-                                                             const char *,
-                                                             const char *, int)
+                                                            const char *,
+                                                            const char *, int)
 #if defined(__clang__)
 #if __has_feature(attribute_analyzer_noreturn)
 /* this tells Clang's static analysis that we're a custom assert function,
@@ -151,9 +151,7 @@ extern DECLSPEC SDL_AssertState SDLCALL SDL_ReportAssertion(SDL_AssertData *,
 #define SDL_enabled_assert(condition) \
     do { \
         while ( !(condition) ) { \
-            static struct SDL_AssertData sdl_assert_data = { \
-                0, 0, #condition, 0, 0, 0, 0 \
-            }; \
+            static struct SDL_AssertData sdl_assert_data = { 0, 0, #condition, 0, 0, 0, 0 }; \
             const SDL_AssertState sdl_assert_state = SDL_ReportAssertion(&sdl_assert_data, SDL_FUNCTION, SDL_FILE, SDL_LINE); \
             if (sdl_assert_state == SDL_ASSERTION_RETRY) { \
                 continue; /* go again. */ \
@@ -164,8 +162,6 @@ extern DECLSPEC SDL_AssertState SDLCALL SDL_ReportAssertion(SDL_AssertData *,
         } \
     } while (SDL_NULL_WHILE_LOOP_CONDITION)
 
-#endif  /* enabled assertions support code */
-
 /* Enable various levels of assertions. */
 #if SDL_ASSERT_LEVEL == 0   /* assertions disabled */
 #   define SDL_assert(condition) SDL_disabled_assert(condition)

extlib/SDL2/include/SDL_atomic.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -209,7 +209,7 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) || defined(__ARM_ARCH_8A__)
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("dmb ish" : : : "memory")
-#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_5TE__)
+#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
 #ifdef __thumb__
 /* The mcr instruction isn't available in thumb mode, use real functions */
 #define SDL_MEMORY_BARRIER_USES_FUNCTION
@@ -240,7 +240,7 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
 /* "REP NOP" is PAUSE, coded for tools that don't know it by that name. */
 #if (defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))
     #define SDL_CPUPauseInstruction() __asm__ __volatile__("pause\n")  /* Some assemblers can't do REP NOP, so go with PAUSE. */
-#elif (defined(__arm__) && __ARM_ARCH__ >= 7) || defined(__aarch64__)
+#elif (defined(__arm__) && defined(__ARM_ARCH) && __ARM_ARCH >= 7) || defined(__aarch64__)
     #define SDL_CPUPauseInstruction() __asm__ __volatile__("yield" ::: "memory")
 #elif (defined(__powerpc__) || defined(__powerpc64__))
     #define SDL_CPUPauseInstruction() __asm__ __volatile__("or 27,27,27");
@@ -249,9 +249,8 @@ typedef void (*SDL_KernelMemoryBarrierFunc)();
 #elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
     #define SDL_CPUPauseInstruction() __yield()
 #elif defined(__WATCOMC__) && defined(__386__)
-    /* watcom assembler rejects PAUSE if CPU < i686, and it refuses REP NOP as an invalid combination. Hardcode the bytes.  */
     extern __inline void SDL_CPUPauseInstruction(void);
-    #pragma aux SDL_CPUPauseInstruction = "db 0f3h,90h"
+    #pragma aux SDL_CPUPauseInstruction = ".686p" ".xmm2" "pause"
 #else
     #define SDL_CPUPauseInstruction()
 #endif

extlib/SDL2/include/SDL_audio.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -169,13 +169,13 @@ typedef void (SDLCALL * SDL_AudioCallback) (void *userdata, Uint8 * stream,
  *  The calculated values in this structure are calculated by SDL_OpenAudio().
  *
  *  For multi-channel audio, the default SDL channel mapping is:
- *  2:  FL FR                       (stereo)
- *  3:  FL FR LFE                   (2.1 surround)
- *  4:  FL FR BL BR                 (quad)
- *  5:  FL FR LFE BL BR             (4.1 surround)
- *  6:  FL FR FC LFE SL SR          (5.1 surround - last two can also be BL BR)
- *  7:  FL FR FC LFE BC SL SR       (6.1 surround)
- *  8:  FL FR FC LFE BL BR SL SR    (7.1 surround)
+ *  2:  FL  FR                          (stereo)
+ *  3:  FL  FR LFE                      (2.1 surround)
+ *  4:  FL  FR  BL  BR                  (quad)
+ *  5:  FL  FR LFE  BL  BR              (4.1 surround)
+ *  6:  FL  FR  FC LFE  SL  SR          (5.1 surround - last two can also be BL BR)
+ *  7:  FL  FR  FC LFE  BC  SL  SR      (6.1 surround)
+ *  8:  FL  FR  FC LFE  BL  BR  SL  SR  (7.1 surround)
  */
 typedef struct SDL_AudioSpec
 {
@@ -594,7 +594,7 @@ extern DECLSPEC int SDLCALL SDL_GetDefaultAudioInfo(char **name,
  *   frames_ (with stereo output, two samples--left and right--would make a
  *   single sample frame). This number should be a power of two, and may be
  *   adjusted by the audio driver to a value more suitable for the hardware.
- *   Good values seem to range between 512 and 8096 inclusive, depending on
+ *   Good values seem to range between 512 and 4096 inclusive, depending on
  *   the application and CPU speed. Smaller values reduce latency, but can
  *   lead to underflow if the application is doing heavy processing and cannot
  *   fill the audio buffer in time. Note that the number of sample frames is

extlib/SDL2/include/SDL_bits.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages

extlib/SDL2/include/SDL_blendmode.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -52,7 +52,7 @@ typedef enum
                                               dstA = dstA */
     SDL_BLENDMODE_MUL = 0x00000008,      /**< color multiply
                                               dstRGB = (srcRGB * dstRGB) + (dstRGB * (1-srcA))
-                                              dstA = (srcA * dstA) + (dstA * (1-srcA)) */
+                                              dstA = dstA */
     SDL_BLENDMODE_INVALID = 0x7FFFFFFF
 
     /* Additional custom blend modes can be returned by SDL_ComposeCustomBlendMode() */
@@ -65,8 +65,8 @@ typedef enum
 typedef enum
 {
     SDL_BLENDOPERATION_ADD              = 0x1,  /**< dst + src: supported by all renderers */
-    SDL_BLENDOPERATION_SUBTRACT         = 0x2,  /**< dst - src : supported by D3D9, D3D11, OpenGL, OpenGLES */
-    SDL_BLENDOPERATION_REV_SUBTRACT     = 0x3,  /**< src - dst : supported by D3D9, D3D11, OpenGL, OpenGLES */
+    SDL_BLENDOPERATION_SUBTRACT         = 0x2,  /**< src - dst : supported by D3D9, D3D11, OpenGL, OpenGLES */
+    SDL_BLENDOPERATION_REV_SUBTRACT     = 0x3,  /**< dst - src : supported by D3D9, D3D11, OpenGL, OpenGLES */
     SDL_BLENDOPERATION_MINIMUM          = 0x4,  /**< min(dst, src) : supported by D3D9, D3D11 */
     SDL_BLENDOPERATION_MAXIMUM          = 0x5   /**< max(dst, src) : supported by D3D9, D3D11 */
 } SDL_BlendOperation;

extlib/SDL2/include/SDL_clipboard.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2022 Sam Lantinga <[email protected]>
+  Copyright (C) 1997-2024 Sam Lantinga <[email protected]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -82,6 +82,53 @@ extern DECLSPEC char * SDLCALL SDL_GetClipboardText(void);
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasClipboardText(void);
 
+/**
+ * Put UTF-8 text into the primary selection.
+ *
+ * \param text the text to store in the primary selection
+ * \returns 0 on success or a negative error code on failure; call
+ *          SDL_GetError() for more information.
+ *
+ * \since This function is available since SDL 2.26.0.
+ *
+ * \sa SDL_GetPrimarySelectionText
+ * \sa SDL_HasPrimarySelectionText
+ */
+extern DECLSPEC int SDLCALL SDL_SetPrimarySelectionText(const char *text);
+
+/**
+ * Get UTF-8 text from the primary selection, which must be freed with
+ * SDL_free().
+ *
+ * This functions returns empty string if there was not enough memory left for
+ * a copy of the primary selection's content.
+ *
+ * \returns the primary selection text on success or an empty string on
+ *          failure; call SDL_GetError() for more information. Caller must
+ *          call SDL_free() on the returned pointer when done with it (even if
+ *          there was an error).
+ *
+ * \since This function is available since SDL 2.26.0.
+ *
+ * \sa SDL_HasPrimarySelectionText
+ * \sa SDL_SetPrimarySelectionText
+ */
+extern DECLSPEC char * SDLCALL SDL_GetPrimarySelectionText(void);
+
+/**
+ * Query whether the primary selection exists and contains a non-empty text
+ * string.
+ *
+ * \returns SDL_TRUE if the primary selection has text, or SDL_FALSE if it
+ *          does not.
+ *
+ * \since This function is available since SDL 2.26.0.
+ *
+ * \sa SDL_GetPrimarySelectionText
+ * \sa SDL_SetPrimarySelectionText
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasPrimarySelectionText(void);
+
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus