Commit a6855060 authored by Sal's avatar Sal
Browse files

Merge remote-tracking branch 'kartinternal/master'

parents df90530e b58cbd2c
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......
#
# Makefile for installing the mingw32 version of the SDL library
CROSS_PATH := /usr/local/cross-tools
CROSS_PATH := /usr/local
ARCHITECTURES := i686-w64-mingw32 x86_64-w64-mingw32
all install:
@echo "Type \"make native\" to install 32-bit to /usr"
@echo "Type \"make cross\" to install 32-bit and 64-bit to CROSS_PATH ($(CROSS_PATH))"
@echo "Type \"make cross\" to install 32-bit and 64-bit to $(CROSS_PATH)"
native:
make install-package arch=i686-w64-mingw32 prefix=/usr
......@@ -22,6 +22,7 @@ install-package:
sed "s|^prefix=.*|prefix=$(prefix)|" <$(arch)/bin/sdl2-config >$(prefix)/bin/sdl2-config; \
chmod 755 $(prefix)/bin/sdl2-config; \
sed "s|^libdir=.*|libdir=\'$(prefix)/lib\'|" <$(arch)/lib/libSDL2.la >$(prefix)/lib/libSDL2.la; \
sed "s|^libdir=.*|libdir=\'$(prefix)/lib\'|" <$(arch)/lib/libSDL2main.la >$(prefix)/lib/libSDL2main.la; \
sed "s|^prefix=.*|prefix=$(prefix)|" <$(arch)/lib/pkgconfig/sdl2.pc >$(prefix)/lib/pkgconfig/sdl2.pc; \
else \
echo "*** ERROR: $(arch) or $(prefix) does not exist!"; \
......
# SDL Development Libaries
Download both the VC and MinGW packages and extract them here.
https://www.libsdl.org/download-2.0.php
## VC Package
* include
* lib
## MinGW Package
* i686-w64-mingw32
* x86_64-w64-mingw32
This is a list of major changes in SDL's version history.
---------------------------------------------------------------------------
2.0.9:
---------------------------------------------------------------------------
General:
* Added a new sensor API, initialized by passing SDL_INIT_SENSOR to SDL_Init(), and defined in SDL_sensor.h
* Added an event SDL_SENSORUPDATE which is sent when a sensor is updated
* Added SDL_GetDisplayOrientation() to return the current display orientation
* Added an event SDL_DISPLAYEVENT which is sent when the display orientation changes
* Added HIDAPI joystick drivers for more consistent support for Xbox, PS4 and Nintendo Switch Pro controller support across platforms. (Thanks to Valve for contributing the PS4 and Nintendo Switch Pro controller support)
* Added support for many other popular game controllers
* Added SDL_JoystickGetDevicePlayerIndex(), SDL_JoystickGetPlayerIndex(), and SDL_GameControllerGetPlayerIndex() to get the player index for a controller. For XInput controllers this returns the XInput index for the controller.
* Added SDL_GameControllerRumble() and SDL_JoystickRumble() which allow simple rumble without using the haptics API
* Added SDL_GameControllerMappingForDeviceIndex() to get the mapping for a controller before it's opened
* Added the hint SDL_HINT_MOUSE_DOUBLE_CLICK_TIME to control the mouse double-click time
* Added the hint SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS to control the mouse double-click radius, in pixels
* Added SDL_HasColorKey() to return whether a surface has a colorkey active
* Added SDL_HasAVX512F() to return whether the CPU has AVX-512F features
* Added SDL_IsTablet() to return whether the application is running on a tablet
* Added SDL_THREAD_PRIORITY_TIME_CRITICAL for threads that must run at the highest priority
Mac OS X:
* Fixed black screen at start on Mac OS X Mojave
Linux:
* Added SDL_LinuxSetThreadPriority() to allow adjusting the thread priority of native threads using RealtimeKit if available.
iOS:
* Fixed Asian IME input
Android:
* Updated required Android SDK to API 26, to match Google's new App Store requirements
* Added support for wired USB Xbox, PS4, and Nintendo Switch Pro controllers
* Added support for relative mouse mode on Android 7.0 and newer (except where it's broken, on Chromebooks and when in DeX mode with Samsung Experience 9.0)
* Added support for custom mouse cursors on Android 7.0 and newer
* Added the hint SDL_HINT_ANDROID_TRAP_BACK_BUTTON to control whether the back button will back out of the app (the default) or be passed to the application as SDL_SCANCODE_AC_BACK
* Added SDL_AndroidBackButton() to trigger the Android system back button behavior when handling the back button in the application
* Added SDL_IsChromebook() to return whether the app is running in the Chromebook Android runtime
* Added SDL_IsDeXMode() to return whether the app is running while docked in the Samsung DeX
---------------------------------------------------------------------------
2.0.8:
---------------------------------------------------------------------------
General:
* Added SDL_fmod() and SDL_log10()
* Each of the SDL math functions now has the corresponding float version
* Added SDL_SetYUVConversionMode() and SDL_GetYUVConversionMode() to control the formula used when converting to and from YUV colorspace. The options are JPEG, BT.601, and BT.709
Windows:
* Implemented WASAPI support on Windows UWP and removed the deprecated XAudio2 implementation
* Added resampling support on WASAPI on Windows 7 and above
Windows UWP:
* Added SDL_WinRTGetDeviceFamily() to find out what type of device your application is running on
Mac OS X:
* Added support for the Vulkan SDK for Mac:
https://www.lunarg.com/lunarg-releases-vulkan-sdk-1-0-69-0-for-mac/
* Added support for OpenGL ES using ANGLE when it's available
Mac OS X / iOS / tvOS:
* Added a Metal 2D render implementation
* Added SDL_RenderGetMetalLayer() and SDL_RenderGetMetalCommandEncoder() to insert your own drawing into SDL rendering when using the Metal implementation
iOS:
* Added the hint SDL_HINT_IOS_HIDE_HOME_INDICATOR to control whether the home indicator bar on iPhone X should be hidden. This defaults to dimming the indicator for fullscreen applications and showing the indicator for windowed applications.
iOS / Android:
* Added the hint SDL_HINT_RETURN_KEY_HIDES_IME to control whether the return key on the software keyboard should hide the keyboard or send a key event (the default)
Android:
* SDL now supports building with Android Studio and Gradle by default, and the old Ant project is available in android-project-ant
* SDL now requires the API 19 SDK to build, but can still target devices down to API 14 (Android 4.0.1)
* Added SDL_IsAndroidTV() to tell whether the application is running on Android TV
Android / tvOS:
* Added the hint SDL_HINT_TV_REMOTE_AS_JOYSTICK to control whether TV remotes should be listed as joystick devices (the default) or send keyboard events.
Linux:
* Added the hint SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR to control whether the X server should skip the compositor for the SDL application. This defaults to "1"
* Added the hint SDL_HINT_VIDEO_DOUBLE_BUFFER to control whether the Raspberry Pi and KMSDRM video drivers should use double or triple buffering (the default)
---------------------------------------------------------------------------
2.0.7:
---------------------------------------------------------------------------
......
......@@ -4,20 +4,24 @@ Android
Matt Styles wrote a tutorial on building SDL for Android with Visual Studio:
http://trederia.blogspot.de/2017/03/building-sdl2-for-android-with-visual.html
The rest of this README covers the old style build process.
The rest of this README covers the Android gradle style build process.
If you are using the older ant build process, it is no longer officially
supported, but you can use the "android-project-ant" directory as a template.
================================================================================
Requirements
================================================================================
Android SDK (version 16 or later)
Android SDK (version 26 or later)
https://developer.android.com/sdk/index.html
Android NDK r7 or later
Android NDK r15c or later
https://developer.android.com/tools/sdk/ndk/index.html
Minimum API level supported by SDL: 10 (Android 2.3.3)
Joystick support is available for API level >= 12 devices.
Minimum API level supported by SDL: 14 (Android 4.0.1)
================================================================================
How the port works
......@@ -31,15 +35,12 @@ Joystick support is available for API level >= 12 devices.
- This eventually produces a standard Android .apk package
The Android Java code implements an "Activity" and can be found in:
android-project/src/org/libsdl/app/SDLActivity.java
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
The Java code loads your game code, the SDL shared library, and
dispatches to native functions implemented in the SDL library:
src/core/android/SDL_android.c
Your project must include some glue code that starts your main() routine:
src/main/android/SDL_android_main.c
================================================================================
Building an app
......@@ -74,71 +75,30 @@ For more complex projects, follow these instructions:
1. Copy the android-project directory wherever you want to keep your projects
and rename it to the name of your project.
2. Move or symlink this SDL directory into the "<project>/jni" directory
3. Edit "<project>/jni/src/Android.mk" to include your source files
4. Run 'ndk-build' (a script provided by the NDK). This compiles the C source
If you want to use the Eclipse IDE, skip to the Eclipse section below.
2. Move or symlink this SDL directory into the "<project>/app/jni" directory
3. Edit "<project>/app/jni/src/Android.mk" to include your source files
5. Create "<project>/local.properties" and use that to point to the Android SDK directory, by writing a line with the following form:
4a. If you want to use Android Studio, simply open your <project> directory and start building.
sdk.dir=PATH_TO_ANDROID_SDK
6. Run 'ant debug' in android/project. This compiles the .java and eventually
creates a .apk with the native code embedded
7. 'ant debug install' will push the apk to the device or emulator (if connected)
4b. If you want to build manually, run './gradlew installDebug' in the project directory. This compiles the .java, creates an .apk with the native code embedded, and installs it on any connected Android device
Here's an explanation of the files in the Android project, so you can customize them:
android-project/
AndroidManifest.xml - package manifest. Among others, it contains the class name
of the main Activity and the package name of the application.
build.properties - empty
build.xml - build description file, used by ant. The actual application name
is specified here.
default.properties - holds the target ABI for the application, android-10 and up
project.properties - holds the target ABI for the application, android-10 and up
local.properties - holds the SDK path, you should change this to the path to your SDK
android-project/app
build.gradle - build info including the application version and SDK
src/main/AndroidManifest.xml - package manifest. Among others, it contains the class name of the main Activity and the package name of the application.
jni/ - directory holding native code
jni/Android.mk - Android makefile that can call recursively the Android.mk files
in all subdirectories
jni/Application.mk - Application JNI settings, including target platform and STL library
jni/Android.mk - Android makefile that can call recursively the Android.mk files in all subdirectories
jni/SDL/ - (symlink to) directory holding the SDL library files
jni/SDL/Android.mk - Android makefile for creating the SDL shared library
jni/src/ - directory holding your C/C++ source
jni/src/Android.mk - Android makefile that you should customize to include your
source code and any library references
res/ - directory holding resources for your application
res/drawable-* - directories holding icons for different phone hardware. Could be
one dir called "drawable".
res/layout/main.xml - Usually contains a file main.xml, which declares the screen layout.
We don't need it because we use the SDL video output.
res/values/strings.xml - strings used in your application, including the application name
shown on the phone.
src/org/libsdl/app/SDLActivity.java - the Java class handling the initialization and binding
to SDL. Be very careful changing this, as the SDL library relies
on this implementation.
================================================================================
Build an app with static linking of libSDL
================================================================================
This build uses the Android NDK module system.
Instructions:
1. Copy the android-project directory wherever you want to keep your projects
and rename it to the name of your project.
2. Rename "<project>/jni/src/Android_static.mk" to "<project>/jni/src/Android.mk"
(overwrite the existing one)
3. Edit "<project>/jni/src/Android.mk" to include your source files
4. create and export an environment variable named NDK_MODULE_PATH that points
to the parent directory of this SDL directory. e.g.:
export NDK_MODULE_PATH="$PWD"/..
5. Edit "<project>/src/org/libsdl/app/SDLActivity.java" and remove the call to
System.loadLibrary("SDL2").
6. Run 'ndk-build' (a script provided by the NDK). This compiles the C source
jni/src/Android.mk - Android makefile that you should customize to include your source code and any library references
src/main/assets/ - directory holding asset files for your application
src/main/res/ - directory holding resources for your application
src/main/res/mipmap-* - directories holding icons for different phone hardware
src/main/res/values/strings.xml - strings used in your application, including the application name
src/main/java/org/libsdl/app/SDLActivity.java - the Java class handling the initialization and binding to SDL. Be very careful changing this, as the SDL library relies on this implementation. You should instead subclass this for your application.
================================================================================
......@@ -171,25 +131,23 @@ Here's an example of a minimal class file:
Then replace "SDLActivity" in AndroidManifest.xml with the name of your
class, .e.g. "MyGame"
================================================================================
Customizing your application icon
================================================================================
Conceptually changing your icon is just replacing the "ic_launcher.png" files in
the drawable directories under the res directory. There are four directories for
different screen sizes. These can be replaced with one dir called "drawable",
containing an icon file "ic_launcher.png" with dimensions 48x48 or 72x72.
the drawable directories under the res directory. There are several directories
for different screen sizes.
You may need to change the name of your icon in AndroidManifest.xml to match
this icon filename.
================================================================================
Loading assets
================================================================================
Any files you put in the "assets" directory of your android-project directory
will get bundled into the application package and you can load them using the
standard functions in SDL_rwops.h.
Any files you put in the "app/src/main/assets" directory of your project
directory will get bundled into the application package and you can load
them using the standard functions in SDL_rwops.h.
There are also a few Android specific functions that allow you to get other
useful paths for saving and loading data:
......@@ -211,6 +169,7 @@ disable this behaviour, see for example:
http://ponystyle.com/blog/2010/03/26/dealing-with-asset-compression-in-android-apps/
================================================================================
Pause / Resume behaviour
================================================================================
......@@ -231,6 +190,7 @@ a specific message, (which is not yet implemented!) and restore your textures
manually or quit the app (which is actually the kind of behaviour you'll see
under iOS, if the OS can not restore your GL context it will just kill your app)
================================================================================
Threads and the Java VM
================================================================================
......@@ -246,6 +206,7 @@ Android_JNI_SetupThread() before doing anything else otherwise SDL will attach
your thread automatically anyway (when you make an SDL call), but it'll never
detach it.
================================================================================
Using STL
================================================================================
......@@ -253,34 +214,10 @@ detach it.
You can use STL in your project by creating an Application.mk file in the jni
folder and adding the following line:
APP_STL := stlport_static
APP_STL := c++_shared
For more information check out CPLUSPLUS-SUPPORT.html in the NDK documentation.
================================================================================
Additional documentation
================================================================================
The documentation in the NDK docs directory is very helpful in understanding the
build process and how to work with native code on the Android platform.
The best place to start is with docs/OVERVIEW.TXT
================================================================================
Using Eclipse
================================================================================
First make sure that you've installed Eclipse and the Android extensions as described here:
https://developer.android.com/tools/sdk/eclipse-adt.html
Once you've copied the SDL android project and customized it, you can create an Eclipse project from it:
* File -> New -> Other
* Select the Android -> Android Project wizard and click Next
* Enter the name you'd like your project to have
* Select "Create project from existing source" and browse for your project directory
* Make sure the Build Target is set to Android 3.1 (API 12)
* Click Finish
For more information go here:
https://developer.android.com/ndk/guides/cpp-support
================================================================================
......@@ -295,13 +232,11 @@ Especially useful is the info on setting up OpenGL ES 2.0 emulation.
Notice that this software emulator is incredibly slow and needs a lot of disk space.
Using a real device works better.
================================================================================
Troubleshooting
================================================================================
You can create and run an emulator from the Eclipse IDE:
* Window -> Android SDK and AVD Manager
You can see if adb can see any devices with the following command:
adb devices
......@@ -338,7 +273,10 @@ You can see the complete command line that ndk-build is using by passing V=1 on
ndk-build V=1
If your application crashes in native code, you can use addr2line to convert the
If your application crashes in native code, you can use ndk-stack to get a symbolic stack trace:
https://developer.android.com/ndk/guides/ndk-stack
If you want to go through the process manually, you can use addr2line to convert the
addresses in the stack trace to lines in your code.
For example, if your crash looks like this:
......@@ -426,36 +364,30 @@ When you're done instrumenting with valgrind, you can disable the wrapper:
adb shell setprop wrap.org.libsdl.app ""
================================================================================
Graphics debugging
================================================================================
If you are developing on a compatible Tegra-based tablet, NVidia provides
Tegra Graphics Debugger at their website. Because SDL2 dynamically loads EGL
Tegra Graphics Debugger at their website. Because SDL2 dynamically loads EGL
and GLES libraries, you must follow their instructions for installing the
interposer library on a rooted device. The non-rooted instructions are not
interposer library on a rooted device. The non-rooted instructions are not
compatible with applications that use SDL2 for video.
The Tegra Graphics Debugger is available from NVidia here:
https://developer.nvidia.com/tegra-graphics-debugger
================================================================================
Why is API level 10 the minimum required?
Why is API level 14 the minimum required?
================================================================================
API level 10 is the minimum required level at runtime (that is, on the device)
because SDL requires some functionality for running not
available on older devices. Since the incorporation of joystick support into SDL,
the minimum SDK required to *build* SDL is version 12. Devices running API levels
10-11 are still supported, only with the joystick functionality disabled.
Support for native OpenGL ES and ES2 applications was introduced in the NDK for
API level 4 and 8. EGL was made a stable API in the NDK for API level 9, which
has since then been obsoleted, with the recommendation to developers to bump the
required API level to 10.
The latest NDK toolchain doesn't support targeting earlier than API level 14.
As of this writing, according to https://developer.android.com/about/dashboards/index.html
about 90% of the Android devices accessing Google Play support API level 10 or
higher (March 2013).
about 99% of the Android devices accessing Google Play support API level 14 or
higher (October 2017).
================================================================================
A note regarding the use of the "dirty rectangles" rendering technique
......@@ -475,6 +407,7 @@ screen each frame.
Reference: http://www.khronos.org/registry/egl/specs/EGLTechNote0001.html
================================================================================
Known issues
================================================================================
......
......@@ -64,7 +64,7 @@ level of indirection, we can do things like this:
export SDL_DYNAMIC_API=/my/actual/libSDL-2.0.so.0
./MyGameThatIsStaticallyLinkedToSDL2
And now, this game that is staticallly linked to SDL, can still be overridden
And now, this game that is statically linked to SDL, can still be overridden
with a newer, or better, SDL. The statically linked one will only be used as
far as calling into the jump table in this case. But in cases where no override
is desired, the statically linked version will provide its own jump table,
......
......@@ -27,6 +27,16 @@ OpenGL ES 2.x, it usually comes pre-installed, but in any case:
sudo apt-get install libraspberrypi0 libraspberrypi-bin libraspberrypi-dev
================================================================================
NEON
================================================================================
If your Pi has NEON support, make sure you add -mfpu=neon to your CFLAGS so
that SDL will select some otherwise-disabled highly-optimized code. The
original Pi units don't have NEON, the Pi2 probably does, and the Pi3
definitely does.
================================================================================
Cross compiling from x86 Linux
================================================================================
......
......@@ -23,7 +23,7 @@ Requirements
typically do not include support for creating WinRT apps, to note.
(The "Community" editions of Visual C++ do, however, support both
desktop/Win32 and WinRT development).
- Visual Studio 2017 can be used, however it is recommented that you install
- Visual Studio 2017 can be used, however it is recommended that you install
the Visual C++ 2015 build tools. These build tools can be installed
using VS 2017's installer. Be sure to also install the workload for
"Universal Windows Platform development", its optional component, the
......@@ -33,7 +33,7 @@ Requirements
earlier versions of Windows, such as Windows 7, is not always supported
by Visual Studio, and you may get error(s) when attempting to do so.
- Visual C++ 2012 can only build apps that target versions 8.0 of Windows,
or Windows Phone. 8.0-targetted apps will run on devices running 8.1
or Windows Phone. 8.0-targeted apps will run on devices running 8.1
editions of Windows, however they will not be able to take advantage of
8.1-specific features.
- Visual C++ 2013 cannot create app projects that target Windows 8.0.
......@@ -54,7 +54,7 @@ Requirements
Status
------
Here is a rough list of what works, and what doens't:
Here is a rough list of what works, and what doesn't:
* What works:
* compilation via Visual C++ 2012 through 2015
......@@ -70,7 +70,10 @@ Here is a rough list of what works, and what doens't:
SDL_GetPerformanceFrequency(), etc.)
* file I/O via SDL_RWops
* mouse input (unsupported on Windows Phone)
* audio, via a modified version of SDL's XAudio2 backend
* audio, via SDL's WASAPI backend (if you want to record, your app must
have "Microphone" capabilities enabled in its manifest, and the user must
not have blocked access. Otherwise, capture devices will fail to work,
presenting as a device disconnect shortly after opening it.)
* .DLL file loading. Libraries *MUST* be packaged inside applications. Loading
anything outside of the app is not supported.
* system path retrieval via SDL's filesystem APIs
......
#!/bin/sh
prefix=/usr/local/i686-w64-mingw32
prefix=/opt/local/i686-w64-mingw32
exec_prefix=${prefix}
exec_prefix_set=no
libdir=${exec_prefix}/lib
......@@ -39,17 +39,17 @@ while test $# -gt 0; do
echo $exec_prefix
;;
--version)
echo 2.0.7
echo 2.0.9
;;
--cflags)
echo -I${prefix}/include/SDL2 -Dmain=SDL_main
;;
--libs)
echo -L${exec_prefix}/lib -lmingw32 -lSDL2main -lSDL2 -mwindows
echo -L${exec_prefix}/lib -lmingw32 -lSDL2main -lSDL2 -mwindows
;;
--static-libs)
# --libs|--static-libs)
echo -L${exec_prefix}/lib -lmingw32 -lSDL2main -lSDL2 -mwindows -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion -luuid -static-libgcc
echo -L${exec_prefix}/lib -lmingw32 -lSDL2main -lSDL2 -mwindows -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -static-libgcc
;;
*)
echo "${usage}" 1>&2
......
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......@@ -51,6 +51,7 @@
#include "SDL_power.h"
#include "SDL_render.h"
#include "SDL_rwops.h"
#include "SDL_sensor.h"
#include "SDL_shape.h"
#include "SDL_system.h"
#include "SDL_thread.h"
......@@ -80,10 +81,11 @@ extern "C" {
#define SDL_INIT_HAPTIC 0x00001000u
#define SDL_INIT_GAMECONTROLLER 0x00002000u /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
#define SDL_INIT_EVENTS 0x00004000u
#define SDL_INIT_SENSOR 0x00008000u
#define SDL_INIT_NOPARACHUTE 0x00100000u /**< compatibility; this flag is ignored. */
#define SDL_INIT_EVERYTHING ( \
SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER \
SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \
)
/* @} */
......
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......@@ -158,6 +158,9 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("lwsync" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("lwsync" : : : "memory")
#elif defined(__GNUC__) && defined(__aarch64__)
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory")
#elif defined(__GNUC__) && defined(__arm__)
#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__)
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
......
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......@@ -140,7 +140,8 @@ typedef Uint16 SDL_AudioFormat;
#define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE 0x00000001
#define SDL_AUDIO_ALLOW_FORMAT_CHANGE 0x00000002
#define SDL_AUDIO_ALLOW_CHANNELS_CHANGE 0x00000004
#define SDL_AUDIO_ALLOW_ANY_CHANGE (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
#define SDL_AUDIO_ALLOW_SAMPLES_CHANGE 0x00000008
#define SDL_AUDIO_ALLOW_ANY_CHANGE (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE|SDL_AUDIO_ALLOW_SAMPLES_CHANGE)
/* @} */
/* @} *//* Audio flags */
......@@ -527,7 +528,7 @@ extern DECLSPEC SDL_AudioStream * SDLCALL SDL_NewAudioStream(const SDL_AudioForm
*
* \param stream The stream the audio data is being added to
* \param buf A pointer to the audio data to add
* \param int The number of bytes to write to the stream
* \param len The number of bytes to write to the stream
* \return 0 on success, or -1 on error.
*
* \sa SDL_NewAudioStream
......
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied