The pointer confinement protocol does allow attempted warping the pointer via a hint, provided that the pointer is locked at the time of the request, and the requested coordinates fall within the bounds of the window.
Toggle the pointer locked state and request the pointer warp when the required protocol is available. This is similar to what XWayland does internally.
Any app for this system that wants to move to SDL3 will have to adjust to
all the other API changes anyhow, so there's no need to keep these anymore.
Fixes#9678.
- Adds support for modal windows to Win32, Mac, and Haiku, and enhances functionality on Wayland and X11, which previous set only the parent window, but not the modal state.
- Windows can be declared modal at creation time, and the modal state can be toggled at any time via SDL_SetWindowModalFor() (tested with UE5 through sdl2-compat).
- Allows dynamic unparenting/reparenting of windows.
- Includes a modal window test.
/ZW is incompatible with C++20, so disable the #error in that case. In addition, define a main function because UWP in C++20 mode links to standard main.
The idea is that if you have a `typedef Uint32 MyFlags` that has a bunch of
defines that are meant to be bitflags, you can pack them into the same wiki
page automatically.
This only works with `typedef`s that are _not_ struct/union/enums, and it
only pulls in `#define` lines that immediately follow the typedef line.
Even a blank line or a comment will signal to stop including lines for
this page!
This clears up confusion about whether to use SDL_KeyCode or SDL_Keycode and makes it clear that the values aren't the full set of possible keycodes.
Fixes https://github.com/libsdl-org/SDL/issues/9493
The specific cases here were SDL_size_mul_overflow_builtin and
SDL_size_add_overflow_builtin, which are forced-inline symbols in
SDL_stdinc.h that have to exist, but aren't really part of the public API,
and thus shouldn't be exported as documentation.
If we need to extend this in the future, we'll make a second struct and
a second SDL_AttachVirtualJoystickEx-style function that uses it.
Just zero the struct and don't set a version.
Fixes#9489.
This header basically just consists of C runtime #defines and functions, but with
an SDL_ prefix. Note this in the documentation so people don't waste their time
reading through things they already understand.
This is just stuff I noticed while working on the wikiheaders updates. A
thorough pass over all the docs would not be terrible, and maybe a simple
script to check for consistency (does everything have a `\since` on it? etc)
might be nice, too.
- Add a globally-accessible function to handle the parsing of filter extensions
- Remove the ability of putting the wildcard ('*') among other patterns; it's either a list of patterns or a single '*' now
- Add a hint to select between portals and Zenity on Unix
SDL_strcasecmp (even when calling into a C runtime) does not work with
Unicode chars, and depending on the user's locale, might not work with
even basic ASCII strings.
This implements the function from scratch, using "case-folding,"
which is a more robust method that deals with various languages. It
involves a hashtable of a few hundred codepoints that are "uppercase" and
how to map them to lowercase equivalents (possibly increasing the size of
the string in the process). The vast majority of human languages (and
Unicode) do not have letters with different cases, but still, this static
table takes about 10 kilobytes on a 64-bit machine.
Even this will fail in one known case: the Turkish 'i' folds differently
if you're writing in Turkish vs other languages. Generally this is seen as
unfortunate collateral damage in cases where you can't specify the language
in use.
In addition to case-folding the codepoints, the new functions also know how
to decode the various formats to turn them into codepoints in the first
place, instead of blindly stepping by one byte (or one wchar_t) per
character.
Also included is casefolding.txt from the Unicode Consortium and a perl
script to generate the hashtable from that text file, so we can trivially
update this if new languages are added in the future.
A simple test using the new function:
```c
#include <SDL3/SDL.h>
int main(void)
{
const char *a = "α ε η";
const char *b = "Α Ε Η";
SDL_Log(" strcasecmp(\"%s\", \"%s\") == %d\n", a, b, strcasecmp(a, b));
SDL_Log("SDL_strcasecmp(\"%s\", \"%s\") == %d\n", a, b, SDL_strcasecmp(a, b));
return 0;
}
```
Produces:
```
INFO: strcasecmp("α ε η", "Α Ε Η") == 32
INFO: SDL_strcasecmp("α ε η", "Α Ε Η") == 0
```
glibc strcasecmp() fails to compare a Greek lowercase string to its uppercase
equivalent, even with a UTF-8 locale, but SDL_strcasecmp() works.
Other SDL_stdinc.h functions are changed to be more consistent, which is to
say they now ignore any C runtime and often dictate that only English-based
low-ASCII works with them.
Fixes Issue #9313.
Some POSIX platforms don't define macros to note the presence of the POSIX.1-2008 st_*tim timespec members of the stat struct, so check if this member exists during CMake configuration and conditionally enable it.
Apple platforms use st_*timespec naming, which is supported as of OSX 10.6. SDL3 requires 10.9+, so no fallback is needed.
Android only supports the POSIX.1-2008 semantics as of API version 26 or higher, so this has to be conditionally enabled in the makefile build via an API version definition check.
In other cases, file times fall back to the legacy path with second precision.
Adds functions to query the system's realtime clock, convert time intervals to/from a calendar date and time in either UTC or the local time, and perform time related calculations.
An SDL_Time type (a time interval represented in nanoseconds), and SDL_DateTime struct (broken down calendar date and time) were added to facilitate this functionality.
Querying the system time results in a value expressed in nanoseconds since the Unix epoch (Jan 1, 1970) in UTC +0000. Conversions to and from the various platform epochs and units are performed when required.
Any direct handling of timezones and DST were intentionally avoided. The offset from UTC is provided when converting from UTC to a local time by calculating the difference between the original UTC and the resulting local time, but no other timezone or DST information is used.
The preferred date formatting and 12/24 hour time for the system locale can be retrieved via global preferences.
Helper functions for obtaining the day of week or day or year for calendar date, and getting the number of days in a month in a given year are provided for convenience. These are simple, but useful for performing various time related calculations.
An automated test for time conversion is included, as is a simple standalone test to display the current system date and time onscreen along with a calendar, the rendering of which demonstrates the use of the utility functions (press up/down to increment or decrement the current month, and keys 1-5 to change the date and time formats).
If someone needs to, say, include an SDL_Storage object, they can simply point userdata at a structure that includes the the storage and any other data needed in enumeration.
Add the xdg-foreign-unstable-v2 protocol and use it to create export handles for toplevel windows, which will be used when an external component, such as the file chooser portal, requires it.
When initializing SDL with the flag SDL_INIT_AUDIO or SDL_INIT_SENSOR the event subsystem also gets initialized(SDL_INIT_EVENTS). This isn't mentioned in the comments.
This commit adds these two comments.
- SDL_RWops is now an opaque struct.
- SDL_AllocRW is gone. If an app is creating a custom RWops, they pass the
function pointers to SDL_CreateRW(), which are stored internally.
- SDL_RWclose is gone, there is only SDL_DestroyRW(), which calls the
implementation's `->close` method before freeing other things.
- There is only one path to create and use RWops now, so we don't have to
worry about whether `->close` will call SDL_DestroyRW, or if this will
risk any Properties not being released, etc.
- SDL_RWFrom* still works as expected, for getting a RWops without having
to supply your own implementation. Objects from these functions are also
destroyed with SDL_DestroyRW.
- Lots of other cleanup and SDL3ization of the library code.
Use memfd_create() to allocate the temporary SHM backing file in memory, and set the size with posix_fallocate(), which will return an error on insufficient space vs ftruncate(), which will silently succeed and allow a SIGBUS error to occur if the unbacked memory is accessed.
Additionally, make the legacy path more robust by unlinking the temp file, so it won't persist after close, and unmapping the shared memory buffer.
This adds HIDAPI support for DualShock 3 controllers on Windows, addressing the current absence of this feature in SDL. To utilize this functionality, the official Sony driver 'sixaxis.sys' must be installed. HID offers several advantages over DirectInput, including rumble support and the ability to control the LED lights that display the controller number.
This reverts commit b9ab326982.
@rainerdeyke pointed out:
"This commit is incorrect. Flipping both horizontally and vertically is not equivalent to flipping diagonally."
Since SDL_RenderFlip is an enum, SDL_FLIP_HORIZONTAL and SDL_FLIP_VERTICAL can not be OR'ed to get the "SDL_FLIP_DIAGONAL".
Render code is actually able to perform these 3 kind of "flipping" so I just added a new enum called SDL_FLIP_DIAGONAL with the OR'ed value (3) so it can be used.
- Always use internal qsort and bsearch implementation.
- add "_r" reentrant versions.
The reasons for always using the internal versions is that the C runtime
versions' callbacks are not mark STDCALL, so we would have add bridge
functions for them anyhow, The C runtime qsort_r/qsort_s have different
orders of arguments on different platforms, and most importantly: qsort()
isn't a stable sort, and isn't guaranteed to give the same ordering for
two objects marked as equal by the callback...as such, Visual Studio and
glibc can give different sort results for the same data set...in this
sense, having one piece of code shared on all platforms makes sense here,
for reliabillity.
bsearch does not have a standard _r version at all, and suffers from the
same SDLCALL concern. Since the code is simple and we would have to work
around the C runtime, it's easier to just go with the built-in function
and remove all the CMake C runtime tests.
Fixes#9159.
This pull request adds an implementation of a Vulkan Render backend to SDL. I have so far tested this primarily on Windows, but also smoke tested on Linux and macOS (MoltenVK). I have not tried it yet on Android, but it should be usable there as well (sans any bugs I missed). This began as a port of the SDL Direct3D12 Renderer, which is the closest thing to Vulkan as existed in the SDL codebase. The shaders are more or less identical (with the only differences being in descriptor bindings vs root descriptors). The shaders are built using the HLSL frontend of glslang.
Everything in the code is pure Vulkan 1.0 (no extensions), with the exception of HDR support which requires the Vulkan instance extension `VK_EXT_swapchain_colorspace`. The code could have been simplified considerably if I used dynamic rendering, push descriptors, extended dynamic state, and other modern Vulkan-isms, but I felt it was more important to make the code as vanilla Vulkan as possible so that it would run on any Vulkan implementation.
The main differences with the Direct3D12 renderer are:
* Having to manage renderpasses for performing clears. There is likely some optimization that would still remain for more efficient use of TBDR hardware where there might be some unnecessary load/stores, but it does attempt to do clears using renderpasses.
* Constant buffer data couldn't be directly updated in the command buffer since I didn't want to rely on push descriptors, so there is a persistently mapped buffer with increasing offset per swapchain image where CB data gets written.
* Many more resources are dependent on the swapchain resizing due to i.e. Vulkan requiring the VkFramebuffer to reference the VkImageView of the swapchain, so there is a bit more code around handling that than was necessary in D3D12.
* For NV12/NV21 textures, rather than there being plane data in the texture itself, the UV data is placed in a separate `VkImage`/`VkImageView`.
I've verified that `testcolorspace` works with both sRGB and HDR linear. I've tested `testoverlay` works with the various YUV/NV12/NV21 formats. I've tested `testsprite`. I've checked that window resizing and swapchain out-of-date handling when minimizing are working. I've run through `testautomation` with the render tests. I also have run several of the tests with Vulkan validation and synchronization validation. Surely I will have missed some things, but I think it's in a good state to be merged and build out from here.
This better reflects how HDR content is actually used, e.g. most content is in the SDR range, with specular highlights and bright details beyond the SDR range, in the HDR headroom.
This more closely matches how HDR is handled on Apple platforms, as EDR.
This also greatly simplifies application code which no longer has to think about color scaling. SDR content is rendered at the appropriate brightness automatically, and HDR content is scaled to the correct range for the display HDR headroom.
This does something a little weird, in that it doesn't care what
`__ANDROID_API__` is set to, but will attempt to dlopen the system
libraries, like we do for many other platform-specific pieces of SDL.
This allows us to a) not bump the minimum required Android version, which is
extremely ancient but otherwise still working, doing the right thing on old
and new hardware in the field, and b) not require the app to link against
more libraries than it previously did before the feature was available.
The downside is that it's a little messy, but it's okay for now, I think.
- Simplified public API, simplified backend interface.
- Camera device hotplug events.
- Thread code is split up so it backends that provide own threads can use it.
- Added "dummy" backend.
Note that CoreMedia (Apple) and Android backends need to be updated, as does
the testcamera app (testcameraminimal works).
It is becoming necessary to enable additional features as libdecor continues to evolve, and checking against a single base version will no longer be adequate. Libdecor doesn't provide versioning defines in its headers, so split the version string into parts to allow for discrete version detection and feature enablement at build time.
Allow the Visual Studio project to define HAVE_LIBC=0 to enable building without a C runtime on Windows entirely through Visual Studio project changes.
Renamed the following property define names to have a type suffix to
match other property names.
SDL_PROP_TEXTURE_OPENGL_TEXTURE_TARGET (number)
SDL_PROP_TEXTURE_OPENGLES2_TEXTURE_TARGET (number)
SDL_PROP_WINDOW_CREATE_WAYLAND_SCALE_TO_DISPLAY (boolean)
SDL_PROP_WINDOW_RENDERER (pointer)
SDL_PROP_WINDOW_TEXTUREDATA (pointer)
Eventually we can re-add a fast path for that data down to the individual renderers. Setting color scale would still require converting to float, and most hardware accelerated renderers prefer to consume colors as float, so this requires some thought and performance testing.
Fixes https://github.com/libsdl-org/SDL/issues/9009
The renderer will always use the sRGB colorspace for drawing, and will default to the sRGB output colorspace. If you want blending in linear space and HDR support, you can select the scRGB output colorspace, which is supported by the direct3d11 and direct3d12
This allows color operations to happen in linear space between sRGB input and sRGB output. This is currently supported on the direct3d11, direct3d12 and opengl renderers.
This is a good resource on blending in linear space vs sRGB space:
https://blog.johnnovak.net/2016/09/21/what-every-coder-should-know-about-gamma/
Also added testcolorspace to verify colorspace changes
Add a mode that forces Wayland windows to output with scaling that forces 1:1 pixel mapping.
This is intended to allow legacy applications to be displayed without desktop scaling being applied, and may have issues with some display configurations, as this forces the window to behave in a way that Wayland desktops were not designed to accommodate (rounding errors can result from certain combinations of window/scale values, the window may be unusably small, jump in size at times, or appear to be larger than the desktop space, and cursor precision may be reduced).
Windows flagged as DPI-aware are not affected by this.
The automated video test suite passes with the hint turned on.
Specifically, SDL_WinRTRunApp, SDL_UIKitRunApp, and SDL_GDKRunApp macros were
removed, as likely unnecessary to SDL3 users. A note was added to the
migration doc about how to roll replacements. These are not going into
SDL_oldnames.h.
Fixes#8245.
Modern C runtimes have well optimized memset and memcpy, so use those instead of dispatching into SDL's versions. In addition, some compilers can analyze memset and memcpy calls and directly turn them into optimized assembly.
Many SDL subsystems depend on being able to see time passing. If you are porting to a new platform, you'll need to fill in a timer implementation as part of the initial port.
Fixes https://github.com/libsdl-org/SDL/issues/8850
Add the ability to import and wrap external surfaces from external toolkits such as Qt and GTK.
Wayland surfaces and windows are more intrinsically tied to the client library than other windowing systems, so it is necessary to provide a way to initialize SDL with an existing wl_display object, which needs to be set prior to video system initialization, or export the internal SDL wl_display object for use by external applications or toolkits. For this, the global property SDL_PROPERTY_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER is used.
A Wayland example was added to testnative, and a basic example of Qt 6 interoperation is provided in the Wayland readme to demonstrate the use of external windows with both SDL owning the wl_display, and an external toolkit owning it.
Allow for the creation of SDL windows with a roleless surface that applications can use for their own purposes, such as with a windowing protocol other than XDG toplevel.
The property `wayland.surface_role_custom` will create a window with a surface that SDL can render to and handles input for, but is not associated with a toplevel window, so applications can use it for their own, custom purposes (e.g. wlr_layer_shell).
A test/minimal example is included in tests/testwaylandcustom.c
A Wayland registry object can only have one listener attached at a time, so an application attempting to use the backend SDL registry object for its own purposes will just result in an error. Remove this property, as it is of no use to applications and will only result in errors.
If an application needs the registry, it needs to get the wl_display object via `SDL.window.wayland.display` and use wl_display_get_registry() to create a new registry object that it can attach its own listeners to.
It would be easy to assume that all APIs that reference
SDL_JOYSTICK_AXIS_MAX work the same way, but they do not: triggers
generally use the full signed 16-bit range in the lower-level joystick
API, but are normalized to be non-negative by the higher-level gamepad
API.
We also never said explicitly which direction is positive here.
Experimentally, it's right (X), down (Y), and pressed (triggers).
Resolves: https://github.com/libsdl-org/SDL/issues/8793
Signed-off-by: Simon McVittie <smcv@collabora.com>
The ARM926EJ-S Technical Reference Manual states:
> You can only access CP15 registers with MRC and MCR instructions in a
> privileged mode. CDP, LDC, STC, MCRR, and MRRC instructions, and unprivileged
> MRC or MCR instructions to CP15 cause the Undefined instruction exception to
> be taken.
Furthermore, `MCR p15, 0, <Rd>, c7, c10, 5` (later called Data Memory Barrier)
is not specified for the ARM926. Thus, SDL should not use these cache
instructions on ARMv5.
This reverts commit 61db102da9.
This causes the build to fail:
SDL_waylandwindow.c:1876:45: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
wind->fullscreen_was_positioned = SDL_TRUE;
We'll use properties for new data associated with a surface, which lets us preserve ABI compatibility with SDL2 and any surfaces created by applications and passed in to SDL functions.
Added support for getting the real controller info, as well as the function SDL_GetGamepadSteamHandle() to get the Steam Input API handle, from the virtual gamepads provided by Steam.
Also added an event SDL_EVENT_GAMEPAD_STEAM_HANDLE_UPDATED which is triggered when a controller's API handle changes, e.g. the controllers were reassigned slots in the Steam UI.
SDL window size, state, and position functions have been considered immediate, with their effects assuming to have taken effect upon successful return of the function. However, several windowing systems handle these requests asynchronously, resulting in the functions blocking until the changes have taken effect, potentially for long periods of time. Additionally, some windowing systems treat these as requests, and can potentially deny or fulfill the request in a manner differently than the application expects, such as not allowing a window to be positioned or sized beyond desktop borders, prohibiting fullscreen, and so on.
With these changes, applications can make requests of the window manager that do not block, with the understanding that an associated event will be sent if the request is fulfilled. Currently, size, position, maximize, minimize, and fullscreen calls are handled as asynchronous requests, with events being returned if the request is honored. If the application requires that the change take effect immediately, it can call the new SDL_SyncWindow function, which will attempt to block until the request is fulfilled, or some arbitrary timeout period elapses, the duration of which depends not only on the windowing system, but on the operation requested as well (e.g. a 100ms timeout is fine for most X11 events, but maximizing a window can take considerably longer for some reason). There is also a new hint 'SDL_VIDEO_SYNC_ALL_WINDOW_OPS' that will mimic the old behavior by synchronizing after every window operation with, again, the understanding that using this may result in the associated calls blocking for a relatively long period.
The deferred model also results in the window size and position getters not reporting false coordinates anymore, as they only forward what the window manager reports vs allowing applications to set arbitrary values, and fullscreen enter/leave events that were initiated via the window manager update the window state appropriately, where they didn't before.
Care was taken to ensure that order of operations is maintained, and that requests are not ignored or dropped. This does require some implicit internal synchronization in the various backends if many requests are made in a short period, as some state and behavior depends on other bits of state that need to be known at that particular point in time, but this isn't something that typical applications will hit, unless they are sending a lot of window state in a short time as the tests do.
The automated tests developed to test the previous behavior also resulted in previously undefined behavior being defined and normalized across platforms, particularly when it comes to the sizing and positioning of windows when they are in a fixed-size state, such as maximized or fullscreen. Size and position requests made when the window is not in a movable or resizable state will be deferred until it can be applied, so no requests are lost. These changes fix another long-standing issue with renderers recreating maximized windows, where the original non-maximized size was lost, resulting in the window being restored to the wrong size. All automated video tests pass across all platforms.
Overall, the "make a request/get an event" model better reflects how most windowing systems work, and some backends avoid spending significant time blocking while waiting for operations to complete.
Now it returns an array and optional count, to match other SDL3 APIs.
SDL_GetTouchName() was replaced with a function that takes an instance ID
instead of an index, too.
This uses the same `SDL_VerbNoun` format as the rest of SDL3, and also
adds stronger effort to invalidate cached state in the backend, so cooperation
improves with apps that are using lowlevel rendering APIs directly.
Fixes#367.
- check libiconv with a linkage test with iconv.h included
- check libc iconv with a linkage test with iconv.h included
and LIBICONV_PLUG defined (in case libiconv header is in
include path)
- add new configuration option to prefer iconv from libiconv,
if available, over the libc version: SDL_LIBICONV, defaults
to disabled.
- remove FindIconv + pkg_check_modules for iconv, and use our
manual iconv finding only
- change FreeBSD specific LIBICONV_PLUG define in SDL_iconv.c
to configuration result.
The only generally portable way to do this is to use -std=gnu99,
"#include <stdlib.h>", and write "alloca".
__builtin_alloca does not seem to be available on NetBSD
This can be used to work around issues where the Apple GCController driver doesn't work for some controllers but there's no way to know which GCController maps to which IOKit device.
This patch adds an API for querying pressure-
sensitive pens, cf. SDL_pen.h:
- Enumerate all pens
- Get pen capabilities, names, GUIDs
- Distinguishes pens and erasers
- Distinguish attached and detached pens
- Pressure and tilt support
- Rotation, distance, throttle wheel support
(throttle wheel untested)
- Pen type and meta-information reporting
(partially tested)
Pen event reporting:
- Three new event structures: PenTip, PenMotion, and
PenButton
- Report location with sub-pixel precision
- Include axis and button status, is-eraser flag
Internal pen tracker, intended to be independent
of platform APIs, cf. SDL_pen_c.h:
- Track known pens
- Handle pen hotplugging
Automatic test:
- testautomation_pen.c
Other features:
- XInput2 implementation, incl. hotplugging
- Wayland implementation, incl. hotplugging
- Backward compatibility: pen events default to
emulating pens with mouse ID SDL_PEN_MOUSEID
- Can be toggled via SDL_HINT_PEN_NOT_MOUSE
- Test/demo program (testpen)
- Wacom pen feature identification by pen ID
Acknowledgements:
- Ping Cheng (Wacom) provided extensive feedback
on Wacom pen features and detection so that
hopefully untested Wacom devices have a
realistic chance of working out of the box.
This gives applications and binding systems a clearer view of what the hardware is so they can make intelligent decisions about how to present things to the user.
Gamepad mappings continue to use abxy for the face buttons for simplicity and compatibility with earlier versions of SDL, however the "SDL_GAMECONTROLLER_USE_BUTTON_LABELS" hint no longer has any effect.
Fixes https://github.com/libsdl-org/SDL/issues/6117
These were added a very long time ago and seem to serve no purpose now, as the functionality they provided is now in core Wayland protocols, current information on their usage and status is nonexistent, no modern compositor seems to support them, and the code paths are untested and subject to bit-rot at this point. It also causes duplicate symbol issues when statically linking an application to both Qt and SDL.
SDL_PollEvent(), SDL_WaitEvent(), and SDL_WaitEventTimeout() all return SDL_bool.
SDL_AddEventWatch() returns an int result code.
Also improved timeout accuracy in SDL_WaitEventTimeout()
This lets apps optionally have a handful of callbacks for their entry points instead of a single main function. If used, the actual main/SDL_main/whatever entry point will be implemented in the single-header library SDL_main.h and the app will implement four separate functions:
First:
int SDL_AppInit(int argc, char **argv);
This will be called once before anything else. argc/argv work like they always do. If this returns 0, the app runs. If it returns < 0, the app calls SDL_AppQuit and terminates with an exit code that reports an error to the platform. If it returns > 0, the app calls SDL_AppQuit and terminates with an exit code that reports success to the platform. This function should not go into an infinite mainloop; it should do any one-time startup it requires and then return.
Then:
int SDL_AppIterate(void);
This is called over and over, possibly at the refresh rate of the display or some other metric that the platform dictates. This is where the heart of your app runs. It should return as quickly as reasonably possible, but it's not a "run one memcpy and that's all the time you have" sort of thing. The app should do any game updates, and render a frame of video. If it returns < 0, SDL will call SDL_AppQuit and terminate the process with an exit code that reports an error to the platform. If it returns > 0, the app calls SDL_AppQuit and terminates with an exit code that reports success to the platform. If it returns 0, then SDL_AppIterate will be called again at some regular frequency. The platform may choose to run this more or less (perhaps less in the background, etc), or it might just call this function in a loop as fast as possible. You do not check the event queue in this function (SDL_AppEvent exists for that).
Next:
int SDL_AppEvent(const SDL_Event *event);
This will be called once for each event pushed into the SDL queue. This may be called from any thread, and possibly in parallel to SDL_AppIterate. The fields in event do not need to be free'd (as you would normally need to do for SDL_EVENT_DROP_FILE, etc), and your app should not call SDL_PollEvent, SDL_PumpEvent, etc, as SDL will manage this for you. Return values are the same as from SDL_AppIterate(), so you can terminate in response to SDL_EVENT_QUIT, etc.
Finally:
void SDL_AppQuit(void);
This is called once before terminating the app--assuming the app isn't being forcibly killed or crashed--as a last chance to clean up. After this returns, SDL will call SDL_Quit so the app doesn't have to (but it's safe for the app to call it, too). Process termination proceeds as if the app returned normally from main(), so atexit handles will run, if your platform supports that.
The app does not implement SDL_main if using this. To turn this on, define SDL_MAIN_USE_CALLBACKS before including SDL_main.h. Defines like SDL_MAIN_HANDLED and SDL_MAIN_NOIMPL are also respected for callbacks, if the app wants to do some sort of magic main implementation thing.
In theory, on most platforms these can be implemented in the app itself, but this saves some #ifdefs in the app and lets everyone struggle less against some platforms, and might be more efficient in the long run, too.
On some platforms, it's possible this is the only reasonable way to go, but we haven't actually hit one that 100% requires it yet (but we will, if we want to write a RetroArch backend, for example).
Using the callback entry points works on every platform, because on platforms that don't require them, we can fake them with a simple loop in an internal implementation of the usual SDL_main.
The primary way we expect people to write SDL apps is with SDL_main, and this is not intended to replace it. If the app chooses to use this, it just removes some platform-specific details they might have to otherwise manage, and maybe removes a barrier to entry on some future platform.
Fixes#6785.
Reference PR #8247.
Almost nothing checks these return values, and there's no reason a valid
lock should fail to operate. The cases where a lock isn't valid (it's a
bogus pointer, it was previously destroyed, a thread is unlocking a lock it
doesn't own, etc) are undefined behavior and always were, and should be
treated as an application bug.
Reference Issue #8096.
It needs to be SDL_RELEASE_GENERIC, because it releases both exclusive
(writer) and shared (reader) locks.
Without this fix, clang's `-Wthread-safety` tests generate incorrect warnings.
Reference Issue #8096.
The following objects now have properties that can be user modified:
* SDL_AudioStream
* SDL_Gamepad
* SDL_Joystick
* SDL_RWops
* SDL_Renderer
* SDL_Sensor
* SDL_Surface
* SDL_Texture
* SDL_Window
Also switched the D3D11 and D3D12 renderers to use real NV12 textures for NV12 data.
The combination of these two changes allows us to implement 0-copy video decode and playback for D3D11 in testffmpeg without any access to the renderer internals.
Whenever I have to fix something endianness-related, I always get
confused about whether the byte-oriented format that guarantees to put
red in byte 0 is RGBA8888 or RGBA32. (The answer is that it's RGBA32.)
Signed-off-by: Simon McVittie <smcv@collabora.com>
This is essentially the same as was added in d95d2d70, but with clearer
error handling. It's implemented in a private header file so that it
can be shared with SDL_shape, which also wants this functionality.
Resolves: https://github.com/libsdl-org/SDL/issues/8319
Signed-off-by: Simon McVittie <smcv@collabora.com>
This fires if an opened device changes formats (which it can on Windows,
if the user changes this in the system control panel, and WASAPI can
report), or if a default device migrates to new hardware and the format
doesn't match.
This will fire for all logical devices on a physical device (and if it's
a format change and not a default device change, it'll fire for the
physical device too, but that's honestly not that useful and might change).
Fixes#8267.
Now it offers the total requested bytes in addition to the amount
immediately needed (and immediately needed might be zero if the stream
already has enough queued to satisfy the request.
You can see it in action in testaudio by mousing over a logical device; it
will show a visualizer for the current PCM (whatever is currently being
recorded on a capture device, or whatever is being mixed for output on
playback devices).
Fixes#8122.
On some system like MacBook Pro Intel with AMD card, asking for the default device will always return the AMD GPU.
This is not an issue for 99% of the case when the renderer context is here to provide the maximum performance level like for game.
However, for video application using GPU for 1 quad and 1 texture, using the discrete GPU for that lead to an important power consumption (4 to 8W), heat increase, and fan noise.
With this patch, I successfully amend ffplay to only use the integrated GPU (i.e. the Intel one), instead of the discrete GPU (i.e. the AMD one).
This is meant to offer a simplified API for people that are either migrating
directly from SDL2 with minimal effort or just want to make noise without
any of the fancy new API features.
Users of this API can just deal with a single SDL_AudioStream as their only
object/handle into the audio subsystem.
They are still allowed to open multiple devices (or open the same device
multiple times), but cannot change stream bindings on logical devices opened
through this function.
Destroying the single audio stream will also close the logical device behind
the scenes.
SDL considers a hidden window to be unmapped and blocks or defers certain operations until the window is shown again, however, the X11 and Cocoa backends would set the hidden flag when the window was minimized, which blocked the functionality of SDL_RestoreWindow().
Specify that a window with the hidden flag set is unmapped and not visible on the desktop or in the dock/taskbar without a call to SDL_ShowWindow(), and don't set the hidden flag in the X11 and Cocoa backends when the window is in the minimized state, but still mapped to the desktop.
CMake's SDL_build_config.h force disables HAVE_STDIO_H when buiding
winrt in non-libc mode.
Becase CreateFileEx is not available in UWP mode, use CreateFile2
instead.
The sequence order of the four paddles is not obvious, with SDL and Xbox
controllers swapping the order of P2 and P3 relative to each other.
If we group them into left and right, then it becomes more obvious.
Signed-off-by: Simon McVittie <smcv@collabora.com>
The current status is stored in the SDL_rwops 'status' field to be able to determine whether a 0 return value is caused by end of file, an error, or a non-blocking source not being ready.
The functions to read sized datatypes now return SDL_bool so you can detect read errors.
Fixes https://github.com/libsdl-org/SDL/issues/6729
Add SDL_ShowWindowSystemMenu() to display the system-level menu for windows. Typically, this is done by right-clicking on the system provided window decorations, however, if an application is rendering its own client-side decorations, there is currently no way to display it. This menu is provided by the system and can provide privileged desktop functionality such as moving or pinning a window to a specific workspace or display, setting the always-on-top property, or taking screenshots. In many cases, there are no APIs which allow applications to perform these actions manually.
Implemented for Wayland via functionality provided by the xdg_toplevel protocol, Win32 via the undocumented message 0x313 (typically called WM_POPUPSYSTEMMENU), and X11 via the "_GTK_SHOW_WINDOW_MENU" atom (supported in GNOME and KDE).
This rips up the entire SDL audio subsystem! While we still feed the audio device from a separate thread, the audio callback into the app is now gone a totally optional alternative.
Now the app will bind an SDL_AudioStream to a given device and feed data to it. As many streams as one likes can be bound to a device; SDL will mix them all into a single buffer and feed the device from there.
So not only does this function as a basic mixer, it also means that multiple device opens are handled seamlessly (so if you want to open the device for your game, but you also link to a library that provides VoIP and it wants to open the device separately, you don't have to worry about stepping on each other, or that the OS will fail to allow multiple opens of the same device, etc).
Merged from pull request #7704.
Fixes#7379.
Reference Issue #6889.
Reference Issue #6632.
Render targets are a core feature of SDL 3.0, so this flag has been removed.
The OpenGL ES renderer still doesn't support them, but we'll deal with that later.
Fixes https://github.com/libsdl-org/SDL/issues/8059
Now you open an audio device and attach streams, as planned, but each
open generates a new logical device. Each logical device has its own
streams that are managed as a group, but all streams on all logical
devices are mixed into a single buffer for a single OS-level open of
the physical device.
This allows multiple opens of a device that won't interfere with each
other and also clean up just what the opener assigned to their logical
device, so all their streams will go away on close but other opens will
continue to mix as they were.
More or less, this makes things work as expected at the app level, but
also gives them the power to group audio streams, and (once added) pause
them all at once, etc.
main features:
- No more sdl-build-options/sdl-shared-build-options/sdl-global-options
- Dependency information is stored on SDL3-collector for sdl3.pc
- Use helper functions to modify the SDL targets;
- sdl_sources to add sources
- sdl_glob_sources to add glob soruces
- sdl_link_dependency to add a link dependency that might also
appear in sdl3.pc/SDL3Config.cmake
- sdl_compile_definitions to add macro's
- sdl_compile_options for compile options
- sdl_include_directories for include directories
They avoid repeated checks for existence of the SDL targets
- A nice feature of the previous is the ability to generate
a sdl3.pc or SDL3Config.cmake that describes its dependencies
accurately.
various:
- remove duplicate libc symbol list
- add CheckVulkan
- remove unused HAVE_MPROTECT
- add checks for getpagesize
Adds the SDL_EVENT_WINDOW_OCCLUDED events and the window flag SDL_WINDOW_OCCLUDED to report when the window occlusion state has changed, so that the application can take appropriate measures, as it may wish to suspend drawing, throttle, or otherwise behave in a more energy efficient manner when the window is not visible. When the window is no longer occluded, the SDL_EVENT_WINDOW_EXPOSED event is sent and the occlusion flag is cleared.
This is handled on macOS via the window occlusion state event (available as of 10.9), and via the xdg-shell protocol on Wayland (version 6, wayland-protocols 1.32, passed through in libdecor 0.1.2).
Also renamed most cases of SDL_GAMEPAD_TYPE_UNKNOWN to SDL_GAMEPAD_TYPE_STANDARD, and SDL_GetGamepadType() will return SDL_GAMEPAD_TYPE_UNKNOWN only if the gamepad is invalid.
Removing SDL_GAMEPAD_TYPE_VIRTUAL allows a virtual controller to emulate another gamepad type. The other controller types can be treated as generic controllers by applications without special glyph or functionality treatment.
This will simplify the X11 and Wayland implementations, which were doing that under the hood, and makes application interaction between the two APIs consistent.
The destination rectangle passed to SDL_BlitSurface() and SDL_BlitSurfaceScaled() is non-const and filled in with the final destination rectangle after clipping, and now documented as such.
Fixes https://github.com/libsdl-org/SDL/issues/7911
This allows the application to tell when a joystick polling cycle is complete and can process state changes as a single atomic update. It is disabled by default, at least for now.
Also renamed SDL_GetDisplayOrientation() SDL_GetDisplayCurrentOrientation()
The natural orientation of the primary display is the frame of reference for accelerometer and gyro sensor readings.
Add aspect-correct output of scaled video modes and a hint to control this behavior (aspect, stretch, or none).
The Wayland spec states that fullscreen surfaces that do not cover the entire output shall be centered with the borders masked by the compositor, so no additional work is required aside from calculating the proper window dimensions.
The default is still 'stretch' mode, as some window managers as of this time (KDE and older versions of GNOME still found in LTS distros) don't behave according to the spec and present an unmasked window that is not centered, so it's not yet safe to change the default.
Consolidate the X11_WMCLASS and WAYLAND_WMCLASS envvars into one SDL_HINT_APP_ID hint. This hint serves the same purpose on both windowing systems to allow desktop compositors to identify and group windows together, as well as associate applications with their desktop settings and icons.
The common code for retrieving the value is now consolidated under core/unix/SDL_appid.c as it's common to *nix platforms, and the value is now retrieved at window creation time instead of being cached by the video driver at startup so that changes to the hint after video initialization and before window creation will be seen, as well as to accommodate cases where applications want to use different values for different windows.
By default SDL will only enumerate controllers, to reduce risk of hanging or crashing on devices with bad drivers and avoiding macOS keyboard capture permission prompts.
Change 8067023 by mikela:
Add SDL_HINT_WINDOW_ACTIVATE_WHEN_RAISED to SDL_RaiseWindow
- When set to false, this allows SDL_RaiseWindow to bring a chosen window to the top of the stack but not force input focus to it
Change 8067041 by mikela:
Rename SDL_HINT_WINDOW_NO_ACTIVATION_WHEN_SHOWN to SDL_HINT_WINDOW_ACTIVATE_WHEN_SHOWN
We have gotten feedback that abstracting the coordinate system based on the display scale is unexpected and it is difficult to adapt existing applications to the proposed API.
The new approach is to provide the coordinate systems that people expect, but provide additional information that will help applications properly handle high DPI situations.
The concepts needed for high DPI support are documented in README-highdpi.md. An example of automatically adapting the content to display scale changes can be found in SDL_test_common.c, where auto_scale_content is checked.
Also, the SDL_WINDOW_ALLOW_HIGHDPI window flag has been replaced by the SDL_HINT_VIDEO_ENABLE_HIGH_PIXEL_DENSITY hint.
Fixes https://github.com/libsdl-org/SDL/issues/7709
It turns out that screen coordinates were confusing people, thinking that meant pixels, when instead they are virtual coordinates; device independent units defined as pixels scaled by the display scale. We'll use the term "points" for this going forward, to reduce confusion.
Re-writes the clipboard data handling in wayland to an on demand
solution where callbacks are provided to generate/provide the clipboard
data when requested by the OS.
As child windows can be recursively destroyed when their parents are destroyed, emit an event to notify the application when a window is being or has been implicitly destroyed so that it can appropriately clean up any associated resources.
If the application has registered an event watch, the destroy message will be received when the window handle is still valid, so the application can retrieve and release any userdata associated with the window. If the message is processed at any time after that, the window handle is already invalid and the ID is only useful for application-side bookkeeping purposes.
- SDL_AudioCVT is gone, even internally.
- libsamplerate is gone (I suspect our resampler is finally Good Enough).
- Cleanups and improvements to audio conversion interfaces.
- SDL_AudioStream can change its input/output format/rate/channels on the fly!
It turns out there's a race condition on X11 where the window could be placed by the window manager while being placed by the application, so we need to have the initial position available at window creation.
__attribute__((target(xx))) is not supported by LoongArch64.
The following warning is emitted:
target attribute is not supported on this machine [-Wattributes]
* Fix -Wundef warnings due to use of unguarded SDL_LOADSO_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WINDOWS
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_ANDROID
* Fix -Wundef warnings due to use of unguarded SDL_LOADSO_DUMMY
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_COCOA
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_UIKIT
* Fix -Wundef warnings due to use of unguarded SDL_TIMERS_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_EVENTS_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_TIMER_DUMMY
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_SENSOR_DISABLED
* Fix -Wundef warnings due to use of unguarded __ANDROID__
* Fix -Wundef warnings due to use of unguarded __IOS__
* Fix -Wundef warnings due to use of unguarded EMULATE_CAS
* Fix -Wundef warnings due to use of unguarded SDL_ATOMIC_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_THREADS_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_SNDIO
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_NETBSD
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_WASAPI
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DSOUND
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_HAIKU
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_COREAUDIO
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_AAUDIO
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_OPENSLES
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_ANDROID
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PS2
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PSP
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_VITA
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_N3DS
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_EMSCRIPTEN
* Fix -Wundef warnings due to use of unguarded SDL_NEON_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_ALTIVEC_BLITTERS
* Fix -Wundef warnings due to use of unguarded __VITA__
* Fix -Wundef warnings due to use of unguarded __3DS__
* Fix -Wundef warnings due to use of unguarded SDL_DYNAPI_PROC_NO_VARARGS
* Fix -Wundef warnings due to use of unguarded __APPLE__
* Fix -Wundef warnings due to use of unguarded __WINRT__
* Fix -Wundef warnings due to use of unguarded SDL_HIDAPI_DISABLED
* Fix -Wundef warnings due to use of unguarded __TVOS__
* Fix -Wundef warnings due to use of unguarded HAVE_DRIVER_BACKEND
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_XINPUT
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_WGI
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_DINPUT
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_MFI
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_EMSCRIPTEN
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_PS2
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_PSP
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_VITA
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_N3DS
* Fix -Wundef warnings due to use of unguarded __MACOS__
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_D3D
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WINRT
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_RPI
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VITA_PVR_OGL
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_VIVANTE
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_D3D11
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_D3D12
* Fix -Wundef warnings due to use of unguarded SDL_RENDER_DISABLED
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_METAL
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_PS2
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_PSP
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_VITA_GXM
* Fix -Wundef warnings due to use of unguarded SDL_ARM_SIMD_BLITTERS
* Fix -Wundef warnings due to use of unguarded SDL_ARM_NEON_BLITTERS
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_HAIKU
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_PS2
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_PSP
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_VITA
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_N3DS
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_KMSDRM
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_RISCOS
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_EMSCRIPTEN
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_NGAGE
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_METAL
* Fix -Wundef warnings due to use of unguarded SDL_LSX_INTRINSICS
* Fix -Wundef warnings due to use of unguarded HAVE_PTHREAD_NP_H
* Fix -Wundef warnings due to use of unguarded __RISCOS__
* Fix -Wundef warnings due to use of unguarded FAKE_RECURSIVE_MUTEX
* Fix -Wundef warnings due to use of unguarded USE_POSIX_SPAWN
* textureData is only needed when SDL is built with YUV support
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_ALSA
* Fix -Wundef warnings due to use of unguarded SDL_SSE3_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_SSE4_2_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_SSE4_1_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_AVX512F_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_SSE2_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_AVX_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_AVX2_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_SSE_INTRINSICS
* Fix -Wundef warnings due to use of unguarded SDL_MMX_INTRINSICS
* Fix -Wundef warnings due to use of unguarded HAVE_CLOCK_GETTIME
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DISK
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DUMMY
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_DUMMY
* Fix -Wundef warnings due to use of unguarded HAVE_GCC_ATOMICS
* Fix -Wundef warnings due to use of unguarded HAVE_GCC_SYNC_LOCK_TEST_AND_SET
* Fix -Wundef warnings due to use of unguarded SDL_USE_LIBDBUS
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_JACK
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_VIRTUAL
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_LINUX
* Fix -Wundef warnings due to use of unguarded HAVE_LIBC
* Fix -Wundef warnings due to disabling SDL_LIBC
* Fix -Wundef warnings due to use of unguarded HAVE_PLATFORM_BACKEND
* Fix -Wundef warnings due to use of unguarded DEBUG
* Fix -Wundef warnings due to use of unguarded HAVE_LINUX_INPUT_H
* Fix -Werror=unused-variable when building with SDL_LIBC=OFF
* Fix -Wundef warnings due to use of unguqrded SDL_USE_LIBUDEV
* Use SDL alloc functions in libusb/hid.c
* Fix -Wundef warnings due to use of unguarded HAVE_LIBUDEV_H
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VULKAN
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_OFFSCREEN
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_OGL
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_GLX
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_ES
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_ES2
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_OGL_ES2
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_OSS
* Remove SDL_AUDIO_DRIVER_SUNAUDIO reference since it is never set
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PIPEWIRE
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PULSEAUDIO
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XCURSOR
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XDBE
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XFIXES
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XINPUT2
* Fix -Wundef warnings due to use of unguarded #if SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
* Fix -Wundef warnings due to use of unguarded #if SDL_VIDEO_DRIVER_X11_XRANDR
* Fix -Wundef warnings due to use of unguarded #if SDL_VIDEO_DRIVER_X11_XSCRNSAVER
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XSHAPE
* Don't call XShape functions when XShape is diabled
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WAYLAND
* Fix -Wundef warnings due to use of unuarded SDL_VIDEO_DRIVER_X11
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_RISCOS
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_EGL
* Disable array when compiled with SDL_EVENTS=OFF
* Fix -Wundef warnings due to use of unguarded SDL_INPUT_LINUXEV
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PTHREAD
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_WINDOWS
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PS2
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PSP
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_VITA
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_N3DS
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_STDCPP
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_NGAGE
* Fix -Wundef warnings due to use of unguarded __WINDOWS__
* Fix -Wundef warnings due to use of unguarded __WINGDK__
* Fix -Wundef warnings due to use of unguarded __ANDROID__
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_GENERIC_COND_SUFFIX
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VITA_PIB
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VITA_PVR
* Fix -Wundef warnings due to use of unguarded SDL_FILE_DISABLED
* Fix -Wundef warnings due to use of unguarded __XBOXONE__
* Fix -Wundef warnings due to use of unguarded __XBOXSERIES__
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_WGL
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_QNX
* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DISK
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_QNX
* Fix -Wundef warnings due to use of unguarded DEBUG_RAZOR
* Fix -Wundef warnings due to use of unguarded WINAPI_FAMILY_PHONE_APP
* Fix -Wundef warnings due to use of unguarded SDL_MAC_NO_SANDBOX
* Fix -Wundef warnings due to use of unguarded __(IPHONE|APPLETV|MAC)_OS_VERSION_MAX_ALLOWED
* Fix C4090 warning ('function': different 'const' qualifiers)
* ci: use -isystem for include dirs of pspdev toolchain
* cmake: add -Wundef option
* Fix remaining -Wundef warnings due to use of unguarded SDL_VIDEO_VULKAN and SDL_VIDEO_METAL
* Fix -Wundef warnings due to use of unguarded __MACOS__
* DEBUG_CONVERT is guaranteed to be defined in src/audio/SDL_audiocvt.c
* Fix -Wundef warnings due to use of unguarded HAVE_NANOSLEEP
* Fix -Wundef warnings due to use of unguarded HAVE_DXGI_H
* Fix -Wundef warnings due to use of unguarded HAVE_LINUX_INPUT_H
* fix SDL_VIDEO_DRIVER_WAYLAND
* fix SDL_VIDEO_DRIVER_X11
* Fix -Wundef warnings due to use of unguarded HAVE_MMDEVICEAPI_H
* Fix -Wundef warnings due to use of unguarded HAVE_PTHREAD_SETNAME_NP
* Fix -Wundef warnings due to use of unguarded HAVE_PTHREAD_SET_NAME_NP
* Fix -Wundef warnings due to use of unguarded HAVE_SETJMP
* Fix -Wundef warnings due to use of unguarded HAVE_SIGNAL_H
* Fix -Wundef warnings due to use of unguarded HAVE_TPCSHRD_H
* Fix -Wundef warnings due to use of unguarded MACOSX_COREAUDIO
* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_DINPUT
* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_IOKIT
* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_XINPUT
* Fix -Wundef warnings due to use of unguarded SDL_IPHONE_KEYBOARD
* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_RAWINPUT
* Fix -Wundef warnings due to use of unguarded SDL_POWER_ANDROID
* Fix -Wundef warnings due to use of unguarded SDL_POWER_EMSCRIPTEN
* Fix -Wundef warnings due to use of unguarded SDL_POWER_HAIKU
* Fix -Wundef warnings due to use of unguarded SDL_POWER_LINUX
* Fix -Wundef warnings due to use of unguarded SDL_POWER_MACOSX
* Fix -Wundef warnings due to use of unguarded SDL_POWER_PSP
* Fix -Wundef warnings due to use of unguarded SDL_POWER_UIKIT
* Fix -Wundef warnings due to use of unguarded SDL_POWER_VITA
* Fix -Wundef warnings due to use of unguarded SDL_POWER_WINDOWS
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PTHREAD_RECURSIVE_MUTEX
* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_VIVANTE_VDK
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WAYLAND
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_CGL
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_EGL
* Fix -Wundef warnings due to use of unguarded __MACOS__
* Fix -Wundef warnings due to use of unguarded __OpenBSD__
* Fix -Wundef warnings due to use of unguarded __FreeBSD__
* Fix -Wundef warnings due to use of unguarded __MWERKS__
* Fix -Wundef warnings due to use of unguarded __WIN32__
* Fix -Wundef warnings due to use of unguarded SDL_IPHONE_LAUNCHSCREEN
* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_ES2
* Remove unused HAVE_CONST, HAVE_INLINE and HAVE_VOLATILE
* Revert "Use SDL alloc functions in libusb/hid.c"
This reverts commit 847c64b00d.
* Handle FAKE_RECURSIVE_MUTEX in similar way as SDL2
* Don't use defined in macro
On Fedora, the headers for 32-bit and 64-bit are shared.
When building a 32-bit library, CMake found the header (that was installed
for the 64-bit libsamplerate development package). Because no 32-bit libsamplerate
library was installed, linking failed. (SDL_LIBSAMPLERATE_DYNAMIC was set to FALSE
because CMake could not find a library)
Update the popup window creation documentation with additional info, remove the SDL_WINDOW_MOUSE_GRABBED flag check since it isn't a valid window creation flag and will be removed automatically elsewhere, and check for and remove the explicit skip taskbar and borderless flags since they are implicit for popup windows.
Add the CreatePopupWindow function to allow the creation of child tooltip and menu popup windows. Popup windows must be created as either a tooltip or popup menu and cannot be minimized, maximized, made fullscreen, or grab the mouse.
Child popup windows are tracked and will be recursively hidden, shown, or destroyed in tandem with the parent window.
This takes care of the last set of void functions that could
potentially be shifted to instead return an int indicating success and
setting an error in case of an error.
This function wasn't consistently correct across platforms and devices.
If you want the UI scale factor, you can use display_scale in the structure returned by SDL_GetDesktopDisplayMode(). If you need an approximate DPI, you can multiply this value times 160 on iPhone and Android, and 96 on other platforms.
This makes it clear what the new versions are, and in the case of SDL_RenderDrawPoint() and SDL_RenderDrawLine(), the coccinelle script actually does the (float) casts for you.
This fixes rounding errors with coordinate scaling and gives more flexibility in the presentation, as well as making it easy to maintain device independent resolution as windows move between different pixel density displays.
By default when a renderer is created, it will match the window size so window coordinates and render coordinates are 1-1.
Mouse and touch events are no longer filtered to change their coordinates, instead you can call SDL_ConvertEventToRenderCoordinates() to explicitly map event coordinates into the rendering viewport.
SDL_RenderWindowToLogical() and SDL_RenderLogicalToWindow() have been renamed SDL_RenderCoordinatesFromWindow() and SDL_RenderCoordinatesToWindow() and take floating point coordinates in both directions.
The viewport, clipping state, and scale for render targets are now persistent and will remain set whenever they are active.
Rather than iterating over display modes using an index, there is a new function SDL_GetFullscreenDisplayModes() to get the list of available fullscreen modes on a display.
{
SDL_DisplayID display = SDL_GetPrimaryDisplay();
int num_modes = 0;
SDL_DisplayMode **modes = SDL_GetFullscreenDisplayModes(display, &num_modes);
if (modes) {
for (i = 0; i < num_modes; ++i) {
SDL_DisplayMode *mode = modes[i];
SDL_Log("Display %" SDL_PRIu32 " mode %d: %dx%d@%gHz, %d%% scale\n",
display, i, mode->pixel_w, mode->pixel_h, mode->refresh_rate, (int)(mode->display_scale * 100.0f));
}
SDL_free(modes);
}
}
SDL_GetDesktopDisplayMode() and SDL_GetCurrentDisplayMode() return pointers to display modes rather than filling in application memory.
Windows now have an explicit fullscreen mode that is set, using SDL_SetWindowFullscreenMode(). The fullscreen mode for a window can be queried with SDL_GetWindowFullscreenMode(), which returns a pointer to the mode, or NULL if the window will be fullscreen desktop. SDL_SetWindowFullscreen() just takes a boolean value, setting the correct fullscreen state based on the selected mode.
SDL_DisplayMode now includes the pixel size, the screen size and the relationship between the two. For example, a 4K display at 200% scale could have a pixel size of 3840x2160, a screen size of 1920x1080, and a display scale of 2.0.
* SDL 3.0 is going to be high DPI aware and officially separates screen coordinates from client pixel area
The public APIs to disable high DPI support have been removed
Work in progress on https://github.com/libsdl-org/SDL/issues/7134
libdecor plugins can change the min/max window size values internally to enforce a minimum window size, and errors and crashes can result if the window size is below the internal limit.
On versions of libdecor >= 0.1.1, the minimum width and height can be queried and the minimum required window size will be enforced. The application requested window size is still respected, however, the actual window may be slightly larger than the drawable area to accommodate the required libdecor minimum size.
On version 0.1.0 of libdecor, which lacks the function to retrieve the minimum size, the internal limits are overridden before committing a frame, so that the internal limits always match the window size as a workaround, even if the window is technically smaller than the plugin would normally allow.
Fixes DPI awareness of testdrawchessboard (previously, the surface was
being created in points instead of pixels, resulting in the demo app
only drawing in a corner of the screen on High-DPI displays)
*_CreateWindowFramebuffer()/*_UpdateWindowFramebuffer(): are updated
to use SDL_GetWindowSizeInPixels instead of SDL_GetWindowSize() or
window->w/window->h.
Most of the _CreateWindowFramebuffer backends are untested except
for Windows.
Fixes#7047
This fixes the clang warning "Cast between pointer-to-function and pointer-to-object is an extension"
You can define SDL_FUNCTION_POINTER_IS_VOID_POINTER in your project to restore the previous behavior.
Fixes https://github.com/libsdl-org/SDL/issues/2866
You can enable and disable subsystems with SDL_ENABLE_SYSWM_*/SDL_DISABLE_SYSWM_* and you can disable the type forward declarations with SDL_DISABLE_SYSWM_*_TYPES
This simplifies the API and removes a level of API translation between the int variants of the functions and the float implementation
Fixes https://github.com/libsdl-org/SDL/issues/6656
Also cleaned up logic for whether we need to poll for events:
- We need to periodically poll for joysticks to handle hotplug.
- We need to frequently poll for joysticks and sensors when they're open so their state can be updated
This function is useful for accumulating relative mouse motion if you want to only handle whole pixel movement.
e.g.
static float dx_frac, dy_frac;
float dx, dy;
/* Accumulate new motion with previous sub-pixel motion */
dx = event.motion.xrel + dx_frac;
dy = event.motion.yrel + dy_frac;
/* Split the integral and fractional motion, dx and dy will contain whole pixel deltas */
dx_frac = SDL_modff(dx, &dx);
dy_frac = SDL_modff(dy, &dy);
if (dx != 0.0f || dy != 0.0f) {
...
}
I don't think there's any point in console_*main() for non-MSVC - I think
it can't be called anyway now that SDL_main is header-only.
So I renamed those functions to main() and wmain() and made them MSVC-only
For reference, MinGW (at least the version I tested) supports both main()
and WinMain(), no matter if compiled with -mconsole or -mwindows (it seems
to prefer main() over WinMain() if both are available, in both cases).
But when building with -municode, it needs wmain() or wWinMain(), so
that case is now handled with wWinMain()
Feedback from @icculus:
"IsTablet" uses "is" as a form of "to be" ...like, the actual question is of its nature.
The rest is just a superfluous word in the question and it flows as better English with if (RectEmpty) than if (IsRectEmpty)
Fixes https://github.com/libsdl-org/SDL/issues/6932
`SDL_QUERY`, `SDL_IGNORE`, `SDL_ENABLE`, and `SDL_DISABLE` have been removed.
SDL_EventState() has been replaced with SDL_SetEventEnabled()
SDL_GetEventState() has been replaced with SDL_EventEnabled()
SDL_GameControllerEventState has been replaced with SDL_SetGamepadEventsEnabled() and SDL_GamepadEventsEnabled()
SDL_JoystickEventState has been replaced with SDL_SetJoystickEventsEnabled() and SDL_JoystickEventsEnabled()
SDL_ShowCursor() has been split into three functions: SDL_ShowCursor(), SDL_HideCursor(), and SDL_CursorVisible()
Fixes https://github.com/libsdl-org/SDL/issues/6929
Instead of indexing into an internal list of devices which requires locking, we return a list of device IDs which can then be queried individually.
Reference: https://github.com/libsdl-org/SDL/issues/6889
You can rename APIs using rename.py and all the code and documentation will be updated, and entries will be added to WhatsNew.txt and docs/README-migration.md.
e.g.
rename.py SDL_foo.h function SDL_CreateFoo SDL_FooCreate
SDL_oldnames.h is included in the SDL header, and if you define SDL_ENABLE_OLD_NAMES, will redefine the old API functions to call the new ones, and if not, will define them as a symbol letting you what the new API function is.
SDL.h now exists solely as a header that includes everything else, instead
of one that forces you to include everything else when you just want the
declaration for SDL_Init().
Fixes#6840.
makes the SDL_main code shorter
Also added a generic SDL_RunApp() implementation for platforms that
don't really need it.
Some platforms (that use SDL_main but haven't been ported yet) are
still missing, but are added in the following commits.
and move the #undef main and #define main SDL_main to the start/end of
SDL_main_impl.h instead of repeating it in every platform implementation
Thanks to SDL_N3DSRunApp we don't need the #include <3ds.h> in
SDL_main_impl.h - that caused conflicts with testthread.c, because both
have (different) ThreadFunc typedefs.
As the implementation requires C++, the user will have to include
SDL_main.h in a C++ source file (that needs to be compiled with /ZW).
It's ok to keep the standard main() implementation in plain C and use
an otherwise empty C++ source file for the SDL_main implementation part,
if both source files #include <SDL3/SDL_main.h>
Including SDL_main.h in a C source file will print a message at
compilation (when building for WinRT or possibly other not yet implemented
platforms that require C++ for main), to remind the user of also
including it in a .cpp source file. This message/warning can be disabled
with #define SDL_MAIN_NOIMPL before including SDL_main.h in the C file.
When including it in a .cpp file, there will be a compiler error with
helpful message if it's not compiled with /ZW
For this I renamend _SDL_MAIN_NOIMPL to SDL_MAIN_NOIMPL, because now it's
not for internal use only anymore, but also useful for users (that want
their main() function in a different file than the SDL_main implementation)
Add a project for the testdraw2.c test to the WinRT solution to at least
get some minimal testing on WinRT.
I won't add all tests because it's a lot of manual clicking per test,
but this should be better than nothing :)
Also adjusted iOS demo's includes to <SDL3/..> and explicit SDL_main.h
untested, I don't have Xcode (or a Mac, for that matter)
The xcode projects (for both Xcode-iOS/ and Xcode/) will probably
have to be adjusted for the SDL_main changes to work, but now at least
the iOS demo source should work as is :)
(remaining platforms will follow)
SDL_main.h is *not* included by SDL.h anymore, users are supposed to
include it directly now, usually only in the file they implement main() in.
If they need the header elsewhere or don't want SDL_main to implement
main() (but only call SDL_SetMainReady() or whatever), they
can #define SDL_MAIN_HANDLED first, same as before.
For SDL-internal usage, I added _SDL_MAIN_NOIMPL, which *also* skips the
implementation and `#define main SDL_main`, but still defines
SDL_MAIN_AVAILABLE and SDL_MAIN_NEEDED in SDL_main.h, as before.
To make the implementaion in the header shorter and avoid including windows.h,
I moved most of the Win32 SDL_main code into SDL3.dll via SDL_Win32RunApp(),
so the header-only part is just the different main functions calling
SDL_Win32RunApp(SDL_main, NULL)
Note that I changed changed the return value and type of OutOfMemory()
to return -1 instead of FALSE, so main() (or WinMain() or whatever)
returns -1 instead of 0 in case of an out-of-memory error
Compared to original Win32 SDL_main, I tweaked the part of the
implementation in SDL_main_impl.h a bit to avoid linker warnings
and conflicts with stuff from windows.h:
- replaced windows.h with own define of WINAPI
and typedef-ing HINSTANCE and LPSTR.
This prevents conflicts between all the generically-named #defines and
types in windows.h and user code (like DrawState in some SDL tests)
- only using one of main() or wmain() gets rid of a MSVC linker error
("warning LNK4067: ambiguous entry point")
If this still causes problems, we might try getting rid of wmain(),
seemed to me like MSVC can use regular main() in UNICODE mode as well
- simplified the UNICODE logic for that - while this is not exactly
equivalent to the old, it should make sense and Works For Me
This simplifies some things, clarifies some things, and also allows
for the possibility of RWops that offer non-blocking i/o (although
none of the current built-in ones do, intentionally, we could add this
later if we choose, or people could provide things like network socket
RWops implementations now, etc.
Fixes#6729.
The annotations have been added to SDL_mutex.h and have been made public so applications can enable this for their own code.
Clang assumes that locking and unlocking can't fail, but SDL has the concept of a NULL mutex, so the mutex functions have been changed not to report errors if a mutex hasn't been initialized. We do have mutexes that might be accessed when they are NULL, notably in the event system, so this is an important change.
This commit cleans up a bunch of rare race conditions in the joystick and game controller code so now everything should be completely protected by the joystick lock.
To test this, change the compiler to "clang -Wthread-safety -Werror=thread-safety -DSDL_THREAD_SAFETY_ANALYSIS"
If you care about timestamps you'll also want to catch all of the sensor events instead of just polling the current state. For example, Nintendo Switch controllers generate 3 sensor events with distinct values for each polling interval.
In SDL3 we plan to make more use of shaders in the 2D render API, and this minimizes the number of platforms we have to consider for new features. OpenGL ES 2.0 or newer is supported on all modern iOS and Android devices.
* Remove depth field from SDL_CreateRGBSurfaceWithFormat and SDL_CreateRGBSurfaceWithFormatFrom
* Removed unused 'flags' parameter from SDL_CreateRGBSurface and SDL_CreateRGBSurfaceWithFormat
* Removed unused 'flags' parameter from SDL_ConvertSurface and SDL_ConvertSurfaceFormat
I ran this script in the include directory:
```sh
sed -i '' -e 's,#include "\(SDL.*\)",#include <SDL3/\1>,' *.h
```
I ran this script in the src directory:
```sh
for i in ../include/SDL3/SDL*.h
do hdr=$(basename $i)
if [ x"$(echo $hdr | egrep 'SDL_main|SDL_name|SDL_test|SDL_syswm|SDL_opengl|SDL_egl|SDL_vulkan')" != x ]; then
find . -type f -exec sed -i '' -e 's,#include "\('$hdr'\)",#include <SDL3/\1>,' {} \;
else
find . -type f -exec sed -i '' -e '/#include "'$hdr'"/d' {} \;
fi
done
```
Fixes https://github.com/libsdl-org/SDL/issues/6575
- TODO: update INSTALL.txt to replace the autotools configure
instructions with cmake.
- TODO: update make build system to provide an equivalent to
autotools' `make dist` ?
- TODO: update / revise github actions, replace autotools-only
ones with cmake (e.g.: vmactions.yml for FreeBSD.)
Reference issue: https://github.com/libsdl-org/SDL/issues/6571
SDL_HINT_VIDEO_X11_FORCE_EGL was deprecated in favor of the more general SDL_HINT_VIDEO_FORCE_EGL, and Xinerama and Xvidmode support was previously removed from SDL, rendering their associated hints nonfunctional.
* The header is no longer dependent on SDL build configuration
* The structures are versioned separately from the rest of SDL
* SDL_GetWindowWMInfo() now returns a standard result code and is passed the version expected by the application
* Updated WhatsNew.txt and docs/README-migration.md with the first API changes in SDL 3.0
Depending on the underlying EGL library, it may be desirable to
conditionally set some specific EGL attributes depending on available
extensions and other application state.
SDL's EGL usage makes this a little bit complicated because:
- there are multiple functions used to set up a working EGL context
- some of these functions take different types of EGL attributes
(EGLAttrib vs EGLint)
- the EGL extension list before creating an EGLDisplay differs from the
extension list after (i.e. display vs client extensions)
- all of the above happens in a single SDL_CreateWindow call
This leaves no place for the application to discover what EGL extensions
are available and provide custom attribute lists.
Until now, if a developer wants to add a custom EGL attribute for
eglGetPlatformDisplay, eglCreateWindowSurface or eglCreateContext, they
needed to patch SDL itself. This is very undesirable, since such
developers would have to disable the SDL dynapi in order to maintain
compatibility with their needs.
This patch implements some callbacks which developers can use to
dynamically generate custom EGL attributes for SDL to use during
SDL_CreateWindow.
These functions allow applications to call EGL functions against the SDL
EGL context. For example, applications can use an EGL API loader via
SDL_EGL_GetCurrentDisplay and SDL_EGL_GetProcAddress, and can call
functions such as eglQuerySurface against the internal EGLSurface and
EGLDisplay.
This fallback is undesirable when using ANGLE, because it will end up
using some default configuration (e.g. on Windows it defaults to the
D3D11 backend).
This implements a new SDL_GL_EGL_PLATFORM attribute to set the
"platform" argument for SDL_EGL_LoadLibrary on Windows, macOS, and
Linux. I've limited it to those three operating systems because that's
what I've been able to test against.
This adds support for forcing the use of EGL on Windows and MacOS. The
SDL_HINT_VIDEO_X11_FORCE_EGL hint is retained for backwards
compatibility but is now deprecated.
Downstream distributors can use this to mark a version with their
preferred version information, like a Linux distribution package version
or the Steam revision it was built to be bundled into, or just to mark
it with the vendor it was built by or the environment it's intended to
be used in.
For instance, in Debian I'd use this by configuring with:
--enable-vendor-info="${DEB_VENDOR} ${DEB_VERSION}"
to get a SDL_REVISION like:
release-2.24.1-0-ga1d1946dc (Debian 2.24.1+dfsg-2)
which gives a Debian user enough information to track down the patches
and build-time configuration that were used for package revision 2.
In Autotools and CMake, this is a configure-time option like any other,
and will go into both SDL_REVISION (via SDL_revision.h) and
SDL_GetRevision().
In other build systems (MSVC, Xcode, etc.), defining the
SDL_VENDOR_INFO macro will get it into the output of SDL_GetRevision(),
although not SDL_REVISION.
Resolves: https://github.com/libsdl-org/SDL/issues/6418
Signed-off-by: Simon McVittie <smcv@collabora.com>
Instead of using a URL and git sha1, this uses `git describe` to
describe the version relative to the nearest previous git tag, which
gives a better indication of whether this is a release, a prerelease,
a slightly patched prerelease, or a long way after the last release
during active development.
This serves two purposes: it makes those APIs more informative, and it
also puts this information into the binary in a form that is easy to
screen-scrape using strings(1). For instance, if the bundled version of
SDL in a game has this, we can see at a glance what version it is.
It's also shorter than using the web address of the origin git
repository and the full git commit sha1.
Also write the computed version into a file ./VERSION in `make dist`
tarballs, so that when we build from a tarball on a system that doesn't
have git available, we still get the version details.
For the Perforce code path in showrev.sh, output the version number
followed by the Perforce revision, in a format reminiscent of
`git describe` (with p instead of g to indicate Perforce).
For the code path with no VCS available at all, put a suffix on the
version number to indicate that this is just a guess (we can't know
whether this SDL version is actually a git snapshot or has been
patched locally or similar).
Resolves: https://github.com/libsdl-org/SDL/issues/6418
Signed-off-by: Simon McVittie <smcv@collabora.com>
Disabling RAWINPUT on Windows 10 causes these issues:
* All Xbox controllers are named "XInput Controller".
* Trigger rumble no longer works.
* "XInput Controllers" are now also listed as separate haptic devices
It's only needed to support more than 4 Xbox controllers, and adds significant complexity to the joystick processing, and we regularly get bugs from people who aren't using an SDL window who need to turn on SDL_HINT_JOYSTICK_THREAD.
* Consolidated scancode mapping tables into a single location for all backends
* Verified that the xfree86_scancode_table2 is largely identical to the Linux scancode table
* Updated the Linux scancode table with the latest kernel keycodes (still unmapped)
* Route X11 keysym -> scancode mapping through the linux scancode table (which a few hand-written exceptions), which will allow mappings to automatically get picked up as they are added in the Linux scancode table
* Disabled verbose reporting of missing keysym mappings, we have enough data for now
Several games (including Source and GoldSrc games, and Bioshock
Infinite) attempt to "fake" relative mouse mode by repeatedly warping
the cursor to the centre of the screen. Since mouse warping is not
supported under Wayland, the viewport ends up "stuck" in a rectangular
area.
Detect this case (mouse warp while the cursor is not visible), and
enable relative mouse mode, which tracks the cursor position
independently, and so can Warp successfully.
This is behind the SDL_HINT_VIDEO_WAYLAND_EMULATE_MOUSE_WARP hint, which
is enabled by default, unless the application enables relative mouse
mode itself using SDL_SetRelativeMouseMode(SDL_TRUE).
Note that there is a behavoural difference, in that relative mouse mode
typically doesn't take mouse accelleration into account, but the
repeated-warping technique does, so mouse movement can seem very slow
with this (unless the game has its own mouse accelleration option, such
as in Portal 2).
* Added support for vertical mode for Joy-Con controllers
* Added the hint SDL_HINT_JOYSTICK_HIDAPI_VERTICAL_JOY_CONS for switching to this mode
* Added support for SL/SR buttons in combined/vertical mode and L/ZL/R/ZR buttons in mini-gamepad mode
X11 has a so-called primary selection, which you can use by marking text and middle-clicking elsewhere to copy the marked text.
There are 3 new API functions in `SDL_clipboard.h`, which work exactly like their clipboard equivalents.
## Test Instructions
* Run the tests (just a copy of the clipboard tests): `$ ./test/testautomation --filter Clipboard`
* Build and run this small application:
<details>
```C
#include <SDL.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void print_error(const char *where)
{
const char *errstr = SDL_GetError();
if (errstr == NULL || errstr[0] == '\0')
return;
fprintf(stderr, "SDL Error after '%s': %s\n", where, errstr);
SDL_ClearError();
}
int main()
{
char text_buf[256];
srand(time(NULL));
SDL_Init(SDL_INIT_VIDEO);
print_error("SDL_INIT()");
SDL_Window *window = SDL_CreateWindow("Primary Selection Test", SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED, 400, 400, SDL_WINDOW_SHOWN);
print_error("SDL_CreateWindow()");
SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
print_error("SDL_CreateRenderer()");
bool quit = false;
unsigned int do_render = 0;
while (!quit) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
print_error("SDL_PollEvent()");
switch (event.type) {
case SDL_QUIT: {
quit = true;
break;
} case SDL_KEYDOWN: {
switch (event.key.keysym.sym) {
case SDLK_ESCAPE:
case SDLK_q:
quit = true;
break;
case SDLK_c:
snprintf(text_buf, sizeof(text_buf), "foo%d", rand());
SDL_SetClipboardText(text_buf);
print_error("SDL_SetClipboardText()");
printf("clipboard: set_to=\"%s\"\n", text_buf);
break;
case SDLK_v: {
printf("clipboard: has=%d, ", SDL_HasClipboardText());
print_error("SDL_HasClipboardText()");
char *text = SDL_GetClipboardText();
print_error("SDL_GetClipboardText()");
printf("text=\"%s\"\n", text);
SDL_free(text);
break;
} case SDLK_d:
snprintf(text_buf, sizeof(text_buf), "bar%d", rand());
SDL_SetPrimarySelectionText(text_buf);
print_error("SDL_SetPrimarySelectionText()");
printf("primselec: set_to=\"%s\"\n", text_buf);
break;
case SDLK_f: {
printf("primselec: has=%d, ", SDL_HasPrimarySelectionText());
print_error("SDL_HasPrimarySelectionText()");
char *text = SDL_GetPrimarySelectionText();
print_error("SDL_GetPrimarySelectionText()");
printf("text=\"%s\"\n", text);
SDL_free(text);
break;
} default:
break;
}
break;
} default: {
break;
}}
}
// create less noise with WAYLAND_DEBUG=1
if (do_render == 0) {
SDL_RenderPresent(renderer);
print_error("SDL_RenderPresent()");
}
do_render += 1;
usleep(12000);
}
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
print_error("quit");
return 0;
}
```
</details>
* Use c,v,d,f to get and set the clipboard and primary selection.
* Mark text and middle-click also in other applications.
* For wayland under x:
* `$ mutter --wayland --no-x11 --nested`
* `$ XDG_SESSION_TYPE=wayland SDL_VIDEODRIVER=wayland ./<path_to_test_appl_binary>`
This makes the joystick locking more robust by holding the lock while updating joysticks.
The lock should be held when calling any SDL joystick function on a different thread than the one calling SDL_PumpEvents() and SDL_JoystickUpdate().
It is now possible to hold the lock while reinitializing the joystick subsystem, however any open joysticks will become invalid and potentially cause crashes if used afterwards.
Fixes https://github.com/libsdl-org/SDL/issues/6063
This is now used as a crc field in the mapping rather than directly in mapping guids, for better mapping compatibility between versions of SDL.
Added SDL_GetJoystickGUIDInfo() to get device information encoded in a joystick GUID, so that mapping programs can clear the CRC from the GUID when generating mappings.
sort_controllers.py has been updated to extract the CRC from mappings created by older mapping programs and convert it into the new crc field. It will also take the CRC into account when checking for duplicate mappings.
Also regenerated the GUIDs for the PS2/PSP/Vita controller mappings, fixing https://github.com/libsdl-org/SDL/issues/6151
- This allows looking up the display index for an arbitrary location rather than requiring an active window to do so.
- This change also reimplements the fallback display lookup that found the display with center closest to the window's center to instead find the display rect edge
closest to the window center (this was done in the almost identical display lookup used in SDL_windowsmodes.c, which now uses `SDL_GetPointDisplayIndex`). In
practice this should almost never be hit as it requires the window's center to not be enclosed by any display rect.
* Added support for mini-gamepad mode for Joy-Con controllers, matching the mapping for hid-nintendo on Linux and iOS 16
* Added the ability to merge left and right Joy-Con controllers into a single Pro-style controller
* Added the hint SDL_HINT_JOYSTICK_HIDAPI_SWITCH_COMBINE_JOY_CONS to control this merging functionality
* Removed the hint SDL_HINT_JOYSTICK_HIDAPI_JOY_CONS
Extend the SDL_WINDOW_ALLOW_HIGHDPI flag documentation to stress the importance of querying the window drawable size after every window event to avoid rendering issues in a mixed-DPI environment.
The documentation doesn't state that the argument is ever modified,
and no implementation does so currently.
This is a non-breaking change to guarantee as much to callers.
* Xbox GDK support (14 squashed commits)
* Added basic keyboard testing
* Update readme
* Code review fixes
* Fixed issue where controller add/removal wasn't working (since the device notification events don't work on Xbox, have to use the joystick thread to poll XInput)
Also added test functions for multi-line debug text display
Currently this only supports ASCII, as the font doesn't have the correct Latin-1 characters
Without using <inttypes.h>, SDL_PRIx64 will expand to llx, but on 64-bit
FreeBSD platforms (u)int64_t is `(usigned) long`:
SDL_test_memory.c:261:77: error: format specifies type 'unsigned long long' but the argument has type 'Uint64' (aka 'unsigned long') [-Werror,-Wformat]
This commit updates config_minimal.h to also assume presence of inttypes.h
for everything except old MSVC.
Adds hint "SDL_WINDOWS_DPI_SCALING" which can be set to "1" to
change the SDL coordinate system units to be DPI-scaled points, rather
than pixels everywhere.
This means windows will be appropriately sized, even when created on
high-DPI displays with scaling.
e.g. requesting a 640x480 window from SDL, on a display with 125%
scaling in Windows display settings, will create a window with an
800x600 client area (in pixels).
Setting this to "1" implicitly requests process DPI awareness
(setting SDL_WINDOWS_DPI_AWARENESS is unnecessary),
and forces SDL_WINDOW_ALLOW_HIGHDPI on all windows.
The hint allows setting a specific DPI awareness ("unaware", "system", "permonitor", "permonitorv2").
This is the first part of High-DPI support on Windows ( https://github.com/libsdl-org/SDL/issues/2119 ).
It doesn't implement a virtualized SDL coordinate system, which will be
addressed in a later commit. (This hint could be useful for SDL apps
that want 1 SDL unit = 1 pixel, though.)
Detecting and behaving correctly under per-monitor V2
(calling AdjustWindowRectExForDpi where needed) should fix the
following issues:
https://github.com/libsdl-org/SDL/issues/3286https://github.com/libsdl-org/SDL/issues/4712
Add the hint "SDL_VIDEO_WAYLAND_MODE_EMULATION", which can be used to disable mode emulation under Wayland. When disabled, only the desktop and/or native display resolution is exposed.
- SDL_JoystickGUID -> SDL_GUID (though we retain a type alias)
- Operations for GUID <-> String ops are now in
src/SDL_guid.c and include/SDL_guid.h
- The corresponding Joystick operations delegate to SDL_guid.c
- Added test/testguid.c
Added the ability to specify a name and the product VID/PID for a virtual controller
Also added a test case to testgamecontroller, if you pass --virtual as a parameter
* Add changes from code review by @ccawley2011, #5597, overall cleanup
* Update N-Gage README, minor cleanup and rephrasing
* Call SDL_SetMainReady() before calling SDL_main, return SDL_main instead of main
This can be used to check whether untrusted sizes would cause overflow
when used to calculate how much memory is needed.
Signed-off-by: Simon McVittie <smcv@collabora.com>
For stable releases, this gives us the ability to make bugfix-only point
releases such as 2.24.1 if we want to, and distinguish between them
programmatically. For example, this ability could have been useful after
2.0.16 to fix Xwayland regressions, and after 2.0.18 to fix event loop
regressions.
For development releases, this gives us the ability to make multiple
prereleases during the same feature cycle, and distinguish between them
programmatically. For example, this would have been useful during 2.0.22
development, which went through three prereleases before reaching the
final release.
Signed-off-by: Simon McVittie <smcv@collabora.com>
Now that we've said this will be removed from SDL 3, we're free to use
any encoding that is compatible with existing SDL versions and will still
compare correctly for all SDL 2 version numbers. This allows the SDL 2
minor version to go beyond 1 digit, limited only by the size of
SDL_version.minor (which is 8 bits), making the largest possible version
number 2.255.99.
The patchlevel (micro version) is still limited to 2 digits.
Signed-off-by: Simon McVittie <smcv@collabora.com>
The encoding used in SDL_VERSIONNUM (e.g. 2.0.22 -> 2022) cannot
represent 2-digit minor versions without overflowing from the hundreds
digit into the thousands digit, which produces confusing version
numbers that will compare incorrectly when the major version is increased
to 3.
However, we can sidestep this problem by declaring that SDL_VERSIONNUM
will no longer be present in SDL 3, which means it only needs to be able
to represent SDL 2 version numbers losslessly.
Signed-off-by: Simon McVittie <smcv@collabora.com>
This comparison normally happens at compile-time, not at runtime, so
it doesn't matter if it isn't optimal. This avoids incorrect comparison
if the minor version in SDL_COMPILEDVERSION and SDL_VERSIONNUM has more
than one digit, which would cause it to overflow from the hundreds place
into the thousands place.
Signed-off-by: Simon McVittie <smcv@collabora.com>
* Add initial support for the Nokia N-Gage
* N-Gage: disable clipping for the time being, issue needs to be resolved later
* Move va_copy definition to SDL_internal.h
* Move stdlib.h include to SDL_config_ngage.h, much cleaner this way
* Remove redundant include, add HAVE_STDLIB_H
* Revert "N-Gage: disable clipping for the time being, issue needs to be resolved later"
This reverts commit 4f5f0fc36c.
* N-Gage: fix clipping issue by providing proper math functions
This hint allows libdecor to be used even when xdg-decoration is
available. It's mostly useful for debugging libdecor, but could in
theory be used by applications which want to (for example) bundle their
own libdecor plugins.
* Fixes for IME Composition Truncation + Addition of SDL_ClearComposition, SDL_IsTextInputShown
* Fixed: Documentation and code style issues raised during code review.
This adds support for all 3 of the gamecube controller's rumble modes
Rumble: 1
Stop: 0
StopHard: 2
This is useful for applications that need the full range of support
This also adds a hint to control rumble behavior, defaults 0 to maintain compatibility
- drop unnecessary hascapture check
- call SDL_InvalidParamError and return -1 in case the index is out of range
- do not zfill SDL_AudioSpec
- adjust documentation to reflect the behavior
- add DUMMY-define in case the subsystem is enabled but not available (filesystem/misc/locale)
- add missing PSP/VITA-filesystem defines
- sync the order of filesystems in SDL_config.h.cmake/in
- add option to disable locale subsystem in configure
- Fix SDL2main on PSP
SDL2main was not working for PSP, because it wasn't being activated and
it wasn't unsetting the main. Besides that a debug screen being started
was causing issues with joystick input and the sceKernelExitGame calli
is no longer needed with the current PSPDEV SDK.
- Clean up imports in PSP main
- Set PSP GPU and user modes in main
- Fix exit callback in PSP main
The asm has been reported broken in at least optimized Apple M1 builds;
and besides, the compiler builtins have precedence over the asm anyway.
Closes https://github.com/libsdl-org/SDL/issues/3943
- SDL_CLOCK_GETTIME now defaults to ON to match autotools build
- Add detection of float.h and Xdbe
- Fix detection of pthread_setname_np() (requires _GNU_SOURCE)
- Move SDL_USE_IME definition into SDL_config.h.cmake
Since accessing Bluetooth prompts the user for permission on both Android and iOS, and we only need it for Steam Controller support, we'll leave it off by default. You can enable it by setting the hint SDL_HINT_JOYSTICK_HIDAPI_STEAM to "1" before calling SDL_Init()
Fixes https://github.com/libsdl-org/SDL/issues/4952
Case fallthrough warnings can be suppressed using the __fallthrough__
compiler attribute. Unfortunately, not all compilers have this
attribute, or even have __has_attribute to check if they have the
__fallthrough__ attribute. [[fallthrough]] is also available in C++17
and the next C2x, but not everyone uses C++17 or C2x.
So define the SDL_FALLTHROUGH macro to deal with those problems - if we
are using C++17 or C2x, it expands to [[fallthrough]]; else if the
compiler has __has_attribute and has the __fallthrough__ attribute, then
it expands to __attribute__((__fallthrough__)); else it expands to an
empty statement, with a /* fallthrough */ comment (it's a do {} while
(0) statement, because users of this macro need to use a semicolon,
because [[fallthrough]] and __attribute__((__fallthrough__)) require a
semicolon).
Clang before Clang 10 and GCC before GCC 7 have problems with using
__attribute__ as a sole statement and warn about a "declaration not
declaring anything", so fall back to using the /* fallthrough */ comment
if we are using those older compiler versions.
Applications using SDL are also free to use this macro (because it is
defined in begin_code.h).
All existing /* fallthrough */ comments have been replaced with this
macro. Some of them were unnecessary because they were the last case in
a switch; using SDL_FALLTHROUGH in those cases would result in a compile
error on compilers that support __fallthrough__, for having a
__attribute__((__fallthrough__)) statement that didn't immediately
precede a case label.
Case fallthrough warnings can be suppressed using the __fallthrough__
compiler attribute. Unfortunately, not all compilers have this
attribute, or even have __has_attribute to check if they have the
__fallthrough__ attribute. [[fallthrough]] is also available in C++17
and the next C2x, but not everyone uses C++17 or C2x.
So define the SDL_FALLTHROUGH macro to deal with those problems - if we
are using C++17 or C2x, it expands to [[fallthrough]]; else if the
compiler has __has_attribute and has the __fallthrough__ attribute, then
it expands to __attribute__((__fallthrough__)); else it expands to an
empty statement, with a /* fallthrough */ comment (it's a do {} while
(0) statement, because users of this macro need to use a semicolon,
because [[fallthrough]] and __attribute__((__fallthrough__)) require a
semicolon).
Applications using SDL are also free to use this macro (because it is
defined in begin_code.h).
All existing /* fallthrough */ comments have been replaced with this
macro. Some of them were unnecessary because they were the last case in
a switch; using SDL_FALLTHROUGH in those cases would result in a compile
error on compilers that support __fallthrough__, for having a
__attribute__((__fallthrough__)) statement that didn't immediately
precede a case label.
* SDLTest_CommonDrawWindowInfo: log SDL_RenderGetScale, SDL_RenderGetLogicalSize
* testwm2: fix video modes menu hit detection in High DPI cases
- also when logical size is specified, e.g.
`--logical 640x480 --resizable --allow-highdpi`
* add function to determine logical coordinates of renderer point when given window point
* change since to the targeted milestone
* fix typo
* rename for consistency
* Change logical coordinate type to float, since we can render with floating point precision.
* add function to convert logical to window coordinates
* testwm2: use new SDL_RenderWindowToLogical
* SDL_render.c: alternate SDL_RenderWindowToLogical/SDL_RenderLogicalToWindow
Co-authored-by: John Blat <johnblat64@protonmail.com>
Co-authored-by: John Blat <47202511+johnblat64@users.noreply.github.com>
This API and implementation comes from the Unreal Engine branch of SDL, which
originally called this "SDL_ConfineCursor".
Some minor cleanup and changes for consistency with the rest of SDL_video, but
there are two major changes:
1. The coordinate system has been changed so that `rect` is _window_ relative
and not _screen_ relative, making it easier to implement without having
global access to the display.
2. The UE version unset all rects when passing `NULL` as a parameter for
`window`, this has been removed as it was an unused feature anyhow.
Currently this is only implemented for X, but can be supported on Wayland and
Windows at minimum too.
This prevents conflicts with hidapi linked with applications, as well as allowing applications to make use of HIDAPI on Android and other platforms that might not normally have an implementation available.
__has_include() was added in VS 2017 15.3, so this works out to essentially
the same _MSC_VER >= 1911 check we had before for MSVC but works for non-MSVC
compilers also.
The D3D11 renderer requires Direct3D 11.1 (d3d11_1.h), not Direct3D 11.0
(d3d11.h). In terms of SDKs, that's the Windows 8 SDK or later.
We should probably rename HAVE_D3D11_H...
It's marked as being a public symbol internally, however, it was missing from the header files and not visible in the shared library. This adds it to the necessary headers and to the DynAPI list to expose it for use by applications.
Co-authored-by: Frank Praznik <frank.praznik@oh.rr.com>
Note that this removes the timeGetTime() fallback on Windows; it is a
32-bit counter and SDL2 should never choose to use it, as it only is needed
if QueryPerformanceCounter() isn't available, and QPC is _always_ available
on Windows XP and later.
OS/2 has a similar situation, but since it isn't clear to me that similar
promises can be made about DosTmrQueryTime() even in modern times, I decided
to leave the fallback in, with some heroic measures added to try to provide a
true 64-bit tick counter despite the 49-day wraparound. That approach can
migrate to Windows too, if we discover some truly broken install that doesn't
have QPC and still depends on timeGetTime().
Fixes#4870.
SDL_config.h *can* define SDL_JOYSTICK_WGI. On builds with the Windows
10 SDK available, this allow implementing trigger rumbling on Xbox One
controllers. The files included in the Visual Studio Solution in
VisualC\SDL.sln *do* have this define set.
fix#4859
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