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Add public APIs for creating a Metal view attached to an SDL window. Add SDL_metal.h.

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This commit is contained in:
Alex Szpakowski 2019-08-05 12:35:32 -03:00
parent f3683d3a09
commit aebaa316c7
25 changed files with 412 additions and 94 deletions
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99
CMakeLists.txt
View file

@ -373,8 +373,10 @@ set_option(VIDEO_COCOA "Use Cocoa video driver" ${APPLE})
set_option(DIRECTX "Use DirectX for Windows audio/video" ${WINDOWS})
set_option(WASAPI "Use the Windows WASAPI audio driver" ${WINDOWS})
set_option(RENDER_D3D "Enable the Direct3D render driver" ${WINDOWS})
set_option(RENDER_METAL "Enable the Metal render driver" ${APPLE})
set_option(VIDEO_VIVANTE "Use Vivante EGL video driver" ${UNIX_SYS})
dep_option(VIDEO_VULKAN "Enable Vulkan support" ON "ANDROID OR APPLE OR LINUX OR WINDOWS" OFF)
set_option(VIDEO_METAL "Enable Metal support" ${APPLE})
set_option(VIDEO_KMSDRM "Use KMS DRM video driver" ${UNIX_SYS})
dep_option(KMSDRM_SHARED "Dynamically load KMS DRM support" ON "VIDEO_KMSDRM" OFF)
option_string(BACKGROUNDING_SIGNAL "number to use for magic backgrounding signal or 'OFF'" "OFF")
@ -1533,6 +1535,69 @@ elseif(APPLE)
set(HAVE_SDL_FILESYSTEM TRUE)
endif()
# iOS hack needed - http://code.google.com/p/ios-cmake/ ?
if(SDL_VIDEO)
if (IOS)
set(SDL_VIDEO_DRIVER_UIKIT 1)
file(GLOB UIKITVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/uikit/*.m)
set(SOURCE_FILES ${SOURCE_FILES} ${UIKITVIDEO_SOURCES})
else()
CheckCOCOA()
if(VIDEO_OPENGL)
set(SDL_VIDEO_OPENGL 1)
set(SDL_VIDEO_OPENGL_CGL 1)
set(SDL_VIDEO_RENDER_OGL 1)
set(HAVE_VIDEO_OPENGL TRUE)
endif()
if(VIDEO_OPENGLES)
set(SDL_VIDEO_OPENGL_EGL 1)
set(SDL_VIDEO_OPENGL_ES2 1)
set(SDL_VIDEO_RENDER_OGL_ES2 1)
set(HAVE_VIDEO_OPENGLES TRUE)
endif()
endif()
if(VIDEO_VULKAN OR VIDEO_METAL OR RENDER_METAL)
set(ORIG_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -x objective-c")
check_c_source_compiles("
#include <AvailabilityMacros.h>
#import <Metal/Metal.h>
#import <QuartzCore/CAMetalLayer.h>
#if TARGET_OS_SIMULATOR || (!TARGET_CPU_X86_64 && !TARGET_CPU_ARM64)
#error Metal doesn't work on this configuration
#endif
int main()
{
return 0;
}
" HAVE_FRAMEWORK_METAL)
set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
if(HAVE_FRAMEWORK_METAL)
set(SDL_FRAMEWORK_METAL 1)
set(SDL_FRAMEWORK_QUARTZCORE 1)
else()
set(VIDEO_VULKAN 0)
set(VIDEO_METAL 0)
set(RENDER_METAL 0)
endif()
endif()
if(VIDEO_METAL)
set(SDL_VIDEO_METAL 1)
set(HAVE_VIDEO_METAL TRUE)
endif()
if(RENDER_METAL)
file(GLOB RENDER_METAL_SOURCES ${SDL2_SOURCE_DIR}/src/render/metal/*.m)
set(SOURCE_FILES ${SOURCE_FILES} ${RENDER_METAL_SOURCES})
set(SDL_VIDEO_RENDER_METAL 1)
set(HAVE_RENDER_METAL TRUE)
endif()
endif()
# Actually load the frameworks at the end so we don't duplicate include.
if(SDL_FRAMEWORK_COREVIDEO)
find_library(COREVIDEO CoreVideo)
@ -1562,28 +1627,20 @@ elseif(APPLE)
find_library(AUDIOTOOLBOX AudioToolbox)
list(APPEND EXTRA_LIBS ${AUDIOTOOLBOX})
endif()
# iOS hack needed - http://code.google.com/p/ios-cmake/ ?
if(SDL_VIDEO)
if (IOS)
set(SDL_VIDEO_DRIVER_UIKIT 1)
file(GLOB UIKITVIDEO_SOURCES ${SDL2_SOURCE_DIR}/src/video/uikit/*.m)
set(SOURCE_FILES ${SOURCE_FILES} ${UIKITVIDEO_SOURCES})
if(SDL_FRAMEWORK_METAL)
if(IOS)
find_library(METAL Metal)
list(APPEND EXTRA_LIBS ${METAL})
else()
CheckCOCOA()
if(VIDEO_OPENGL)
set(SDL_VIDEO_OPENGL 1)
set(SDL_VIDEO_OPENGL_CGL 1)
set(SDL_VIDEO_RENDER_OGL 1)
set(HAVE_VIDEO_OPENGL TRUE)
endif()
if(VIDEO_OPENGLES)
set(SDL_VIDEO_OPENGL_EGL 1)
set(SDL_VIDEO_OPENGL_ES2 1)
set(SDL_VIDEO_RENDER_OGL_ES2 1)
set(HAVE_VIDEO_OPENGLES TRUE)
endif()
list(APPEND EXTRA_LDFLAGS "-Wl,-weak_framework,Metal")
endif()
endif()
if(SDL_FRAMEWORK_QUARTZCORE)
if(IOS)
find_library(QUARTZCORE QuartzCore)
list(APPEND EXTRA_LIBS ${QUARTZCORE})
else()
list(APPEND EXTRA_LDFLAGS "-Wl,-weak_framework,QuartzCore")
endif()
endif()

1
Makefile.in
View file

@ -84,6 +84,7 @@ HDRS = \
SDL_log.h \
SDL_main.h \
SDL_messagebox.h \
SDL_metal.h \
SDL_mouse.h \
SDL_mutex.h \
SDL_name.h \

8
Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj
View file

@ -717,6 +717,7 @@
F3E3C75B224138AE007D243C /* SDL_uikit_main.c in Sources */ = {isa = PBXBuildFile; fileRef = F3E3C657224069CE007D243C /* SDL_uikit_main.c */; };
FA1DC2721C62BE65008F99A0 /* SDL_uikitclipboard.h in Headers */ = {isa = PBXBuildFile; fileRef = FA1DC2701C62BE65008F99A0 /* SDL_uikitclipboard.h */; };
FA1DC2731C62BE65008F99A0 /* SDL_uikitclipboard.m in Sources */ = {isa = PBXBuildFile; fileRef = FA1DC2711C62BE65008F99A0 /* SDL_uikitclipboard.m */; };
FA24348D21D4201400B8918A /* SDL_metal.h in Headers */ = {isa = PBXBuildFile; fileRef = FA24348C21D4201400B8918A /* SDL_metal.h */; };
FAB5981D1BB5C31500BE72C5 /* SDL_atomic.c in Sources */ = {isa = PBXBuildFile; fileRef = 04FFAB8912E23B8D00BA343D /* SDL_atomic.c */; };
FAB5981E1BB5C31500BE72C5 /* SDL_spinlock.c in Sources */ = {isa = PBXBuildFile; fileRef = 04FFAB8A12E23B8D00BA343D /* SDL_spinlock.c */; };
FAB5981F1BB5C31500BE72C5 /* SDL_coreaudio.m in Sources */ = {isa = PBXBuildFile; fileRef = 56EA86F913E9EC2B002E47EB /* SDL_coreaudio.m */; };
@ -1064,6 +1065,7 @@
F3E3C75F224138AE007D243C /* libSDLmain.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libSDLmain.a; sourceTree = BUILT_PRODUCTS_DIR; };
FA1DC2701C62BE65008F99A0 /* SDL_uikitclipboard.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_uikitclipboard.h; sourceTree = "<group>"; };
FA1DC2711C62BE65008F99A0 /* SDL_uikitclipboard.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDL_uikitclipboard.m; sourceTree = "<group>"; };
FA24348C21D4201400B8918A /* SDL_metal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_metal.h; sourceTree = "<group>"; };
FAB598141BB5C1B100BE72C5 /* libSDL2.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libSDL2.a; sourceTree = BUILT_PRODUCTS_DIR; };
FAD4F7011BA3C4E8008346CE /* SDL_sysjoystick_c.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_sysjoystick_c.h; sourceTree = "<group>"; };
FD0BBFEF0E3933DD00D833B1 /* SDL_uikitview.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_uikitview.h; sourceTree = "<group>"; };
@ -1576,15 +1578,14 @@
children = (
AA7558651595D55500BBD41B /* begin_code.h */,
AA7558661595D55500BBD41B /* close_code.h */,
AA7558971595D55500BBD41B /* SDL.h */,
AA7558671595D55500BBD41B /* SDL_assert.h */,
AA7558681595D55500BBD41B /* SDL_atomic.h */,
AA7558691595D55500BBD41B /* SDL_audio.h */,
AADA5B8E16CCAB7C00107CF7 /* SDL_bits.h */,
AA75586A1595D55500BBD41B /* SDL_blendmode.h */,
AA75586B1595D55500BBD41B /* SDL_clipboard.h */,
AA75586D1595D55500BBD41B /* SDL_config.h */,
AA75586C1595D55500BBD41B /* SDL_config_iphoneos.h */,
AA75586D1595D55500BBD41B /* SDL_config.h */,
AA75586E1595D55500BBD41B /* SDL_copying.h */,
AA75586F1595D55500BBD41B /* SDL_cpuinfo.h */,
AA7558701595D55500BBD41B /* SDL_endian.h */,
@ -1602,6 +1603,7 @@
AA75587B1595D55500BBD41B /* SDL_log.h */,
AA75587C1595D55500BBD41B /* SDL_main.h */,
AA9FF9501637C6E5000DF050 /* SDL_messagebox.h */,
FA24348C21D4201400B8918A /* SDL_metal.h */,
AA75587D1595D55500BBD41B /* SDL_mouse.h */,
AA75587E1595D55500BBD41B /* SDL_mutex.h */,
AA75587F1595D55500BBD41B /* SDL_name.h */,
@ -1630,6 +1632,7 @@
AA7558951595D55500BBD41B /* SDL_version.h */,
AA7558961595D55500BBD41B /* SDL_video.h */,
4D7516FE1EE1C5B400820EEA /* SDL_vulkan.h */,
AA7558971595D55500BBD41B /* SDL.h */,
);
name = "Public Headers";
path = ../../include;
@ -2183,6 +2186,7 @@
AA75589D1595D55500BBD41B /* SDL_blendmode.h in Headers */,
F30D9C9E212CD0990047DF2E /* SDL_sensor_c.h in Headers */,
AA75589E1595D55500BBD41B /* SDL_clipboard.h in Headers */,
FA24348D21D4201400B8918A /* SDL_metal.h in Headers */,
AA75589F1595D55500BBD41B /* SDL_config_iphoneos.h in Headers */,
AA7558A01595D55500BBD41B /* SDL_config.h in Headers */,
AA7558A11595D55500BBD41B /* SDL_copying.h in Headers */,

4
Xcode/SDL/SDL.xcodeproj/project.pbxproj
View file

@ -919,6 +919,7 @@
F3950CD8212BC88D00F51292 /* SDL_sensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F3950CD7212BC88D00F51292 /* SDL_sensor.h */; settings = {ATTRIBUTES = (Public, ); }; };
F3950CD9212BC88D00F51292 /* SDL_sensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F3950CD7212BC88D00F51292 /* SDL_sensor.h */; settings = {ATTRIBUTES = (Public, ); }; };
F3950CDA212BC88D00F51292 /* SDL_sensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F3950CD7212BC88D00F51292 /* SDL_sensor.h */; settings = {ATTRIBUTES = (Public, ); }; };
FA24348B21D41FFB00B8918A /* SDL_metal.h in Headers */ = {isa = PBXBuildFile; fileRef = FA24348A21D41FFB00B8918A /* SDL_metal.h */; };
FA73671D19A540EF004122E4 /* CoreVideo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FA73671C19A540EF004122E4 /* CoreVideo.framework */; };
FA73671E19A54140004122E4 /* CoreVideo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FA73671C19A540EF004122E4 /* CoreVideo.framework */; };
FA73671F19A54144004122E4 /* CoreVideo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FA73671C19A540EF004122E4 /* CoreVideo.framework */; };
@ -1252,6 +1253,7 @@
F59C710300D5CB5801000001 /* ReadMe.txt */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = ReadMe.txt; sourceTree = "<group>"; };
F59C710600D5CB5801000001 /* SDL.info */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = SDL.info; sourceTree = "<group>"; };
F5A2EF3900C6A39A01000001 /* BUGS.txt */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; name = BUGS.txt; path = ../../BUGS.txt; sourceTree = SOURCE_ROOT; };
FA24348A21D41FFB00B8918A /* SDL_metal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_metal.h; sourceTree = "<group>"; };
FA73671C19A540EF004122E4 /* CoreVideo.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreVideo.framework; path = System/Library/Frameworks/CoreVideo.framework; sourceTree = SDKROOT; };
FABA34C61D8B5DB100915323 /* SDL_coreaudio.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDL_coreaudio.m; sourceTree = "<group>"; };
/* End PBXFileReference section */
@ -1342,6 +1344,7 @@
AA7557DD1595D4D800BBD41B /* SDL_log.h */,
AA7557DE1595D4D800BBD41B /* SDL_main.h */,
AA9FF9591637CBF9000DF050 /* SDL_messagebox.h */,
FA24348A21D41FFB00B8918A /* SDL_metal.h */,
AA7557DF1595D4D800BBD41B /* SDL_mouse.h */,
AA7557E01595D4D800BBD41B /* SDL_mutex.h */,
AA7557E11595D4D800BBD41B /* SDL_name.h */,
@ -2029,6 +2032,7 @@
AA75580E1595D4D800BBD41B /* SDL_cpuinfo.h in Headers */,
AA7558101595D4D800BBD41B /* SDL_endian.h in Headers */,
AA7558121595D4D800BBD41B /* SDL_error.h in Headers */,
FA24348B21D41FFB00B8918A /* SDL_metal.h in Headers */,
AA7558141595D4D800BBD41B /* SDL_events.h in Headers */,
567E2F2117C44C35005F1892 /* SDL_filesystem.h in Headers */,
A77E6EB4167AB0A90010E40B /* SDL_gamecontroller.h in Headers */,

23
configure vendored
View file

@ -869,6 +869,7 @@ enable_video_x11_xshape
enable_video_x11_vm
enable_video_vivante
enable_video_cocoa
enable_video_metal
enable_render_metal
enable_video_directfb
enable_directfb_shared
@ -1647,6 +1648,7 @@ Optional Features:
--enable-video-x11-vm use X11 VM extension for fullscreen [[default=yes]]
--enable-video-vivante use Vivante EGL video driver [[default=yes]]
--enable-video-cocoa use Cocoa video driver [[default=yes]]
--enable-video-metal include Metal support [[default=yes]]
--enable-render-metal enable the Metal render driver [[default=yes]]
--enable-video-directfb use DirectFB video driver [[default=no]]
--enable-directfb-shared
@ -21530,6 +21532,13 @@ $as_echo "#define SDL_VIDEO_DRIVER_COCOA 1" >>confdefs.h
CheckMETAL()
{
# Check whether --enable-video-metal was given.
if test "${enable_video_metal+set}" = set; then :
enableval=$enable_video_metal;
else
enable_video_metal=yes
fi
# Check whether --enable-render-metal was given.
if test "${enable_render_metal+set}" = set; then :
enableval=$enable_render_metal;
@ -21537,7 +21546,7 @@ else
enable_render_metal=yes
fi
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
if test x$enable_video = xyes -a x$enable_video_metal = xyes; then
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -x objective-c"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Metal framework" >&5
@ -21574,11 +21583,17 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
$as_echo "$have_metal" >&6; }
if test x$have_metal = xyes; then
$as_echo "#define SDL_VIDEO_METAL 1" >>confdefs.h
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
$as_echo "#define SDL_VIDEO_RENDER_METAL 1" >>confdefs.h
SOURCES="$SOURCES $srcdir/src/render/metal/*.m"
SOURCES="$SOURCES $srcdir/src/render/metal/*.m"
fi
SUMMARY_video="${SUMMARY_video} metal"
else
enable_video_metal=no
enable_render_metal=no
fi
fi
@ -25064,7 +25079,7 @@ $as_echo "#define SDL_VIDEO_RENDER_OGL_ES2 1" >>confdefs.h
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
if test x$enable_video_metal = xyes -o x$enable_video_vulkan = xyes; then
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Metal"
fi
;;
@ -25158,7 +25173,7 @@ $as_echo "#define SDL_TIMER_UNIX 1" >>confdefs.h
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
if test x$enable_video_metal = xyes -o x$enable_video_vulkan = xyes; then
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-weak_framework,QuartzCore -Wl,-weak_framework,Metal"
fi
;;

17
configure.ac
View file

@ -2048,10 +2048,13 @@ AS_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]])
CheckMETAL()
{
AC_ARG_ENABLE(video-metal,
AC_HELP_STRING([--enable-video-metal], [include Metal support [[default=yes]]]),
, enable_video_metal=yes)
AC_ARG_ENABLE(render-metal,
AS_HELP_STRING([--enable-render-metal], [enable the Metal render driver [[default=yes]]]),
, enable_render_metal=yes)
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
if test x$enable_video = xyes -a x$enable_video_metal = xyes; then
save_CFLAGS="$CFLAGS"
dnl Work around that we don't have Objective-C support in autoconf
CFLAGS="$CFLAGS -x objective-c"
@ -2072,10 +2075,14 @@ AS_HELP_STRING([--enable-render-metal], [enable the Metal render driver [[defaul
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($have_metal)
if test x$have_metal = xyes; then
AC_DEFINE(SDL_VIDEO_RENDER_METAL, 1, [ ])
SOURCES="$SOURCES $srcdir/src/render/metal/*.m"
AC_DEFINE(SDL_VIDEO_METAL, 1, [ ])
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
AC_DEFINE(SDL_VIDEO_RENDER_METAL, 1, [ ])
SOURCES="$SOURCES $srcdir/src/render/metal/*.m"
fi
SUMMARY_video="${SUMMARY_video} metal"
else
enable_video_metal=no
enable_render_metal=no
fi
fi
@ -3828,7 +3835,7 @@ AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
if test x$enable_video_metal = xyes -o x$enable_video_vulkan = xyes; then
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Metal"
fi
;;
@ -3910,7 +3917,7 @@ AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
if test x$enable_video_metal = xyes -o x$enable_video_vulkan = xyes; then
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-weak_framework,QuartzCore -Wl,-weak_framework,Metal"
fi
;;

1
include/SDL.h
View file

@ -47,6 +47,7 @@
#include "SDL_loadso.h"
#include "SDL_log.h"
#include "SDL_messagebox.h"
#include "SDL_metal.h"
#include "SDL_mutex.h"
#include "SDL_power.h"
#include "SDL_render.h"

3
include/SDL_config.h.cmake
View file

@ -388,6 +388,9 @@
/* Enable Vulkan support */
#cmakedefine SDL_VIDEO_VULKAN @SDL_VIDEO_VULKAN@
/* Enable Metal support */
#cmakedefine SDL_VIDEO_METAL @SDL_VIDEO_METAL@
/* Enable system power support */
#cmakedefine SDL_POWER_ANDROID @SDL_POWER_ANDROID@
#cmakedefine SDL_POWER_LINUX @SDL_POWER_LINUX@

3
include/SDL_config.h.in
View file

@ -383,6 +383,9 @@
/* Enable Vulkan support */
#undef SDL_VIDEO_VULKAN
/* Enable Metal support */
#undef SDL_VIDEO_METAL
/* Enable system power support */
#undef SDL_POWER_LINUX
#undef SDL_POWER_WINDOWS

4
include/SDL_config_iphoneos.h
View file

@ -181,6 +181,10 @@
#define SDL_VIDEO_VULKAN 1
#endif
#if SDL_PLATFORM_SUPPORTS_METAL
#define SDL_VIDEO_METAL 1
#endif
/* Enable system power support */
#define SDL_POWER_UIKIT 1

23
include/SDL_config_macosx.h
View file

@ -193,9 +193,15 @@
#define SDL_VIDEO_RENDER_OGL_ES2 1
#endif
#ifndef SDL_VIDEO_RENDER_METAL
/* Metal only supported on 64-bit architectures with 10.11+ */
#if TARGET_CPU_X86_64 && (MAC_OS_X_VERSION_MAX_ALLOWED >= 101100)
#define SDL_PLATFORM_SUPPORTS_METAL 1
#else
#define SDL_PLATFORM_SUPPORTS_METAL 0
#endif
#ifndef SDL_VIDEO_RENDER_METAL
#if SDL_PLATFORM_SUPPORTS_METAL
#define SDL_VIDEO_RENDER_METAL 1
#else
#define SDL_VIDEO_RENDER_METAL 0
@ -219,13 +225,22 @@
#define SDL_VIDEO_OPENGL_GLX 1
#endif
/* Enable Vulkan support */
/* Metal/Vulkan Portability only supported on 64-bit architectures with 10.11+ */
#if TARGET_CPU_X86_64 && (MAC_OS_X_VERSION_MAX_ALLOWED >= 101100)
/* Enable Vulkan and Metal support */
#ifndef SDL_VIDEO_VULKAN
#if SDL_PLATFORM_SUPPORTS_METAL
#define SDL_VIDEO_VULKAN 1
#else
#define SDL_VIDEO_VULKAN 0
#endif
#endif
#ifndef SDL_VIDEO_METAL
#if SDL_PLATFORM_SUPPORTS_METAL
#define SDL_VIDEO_METAL 1
#else
#define SDL_VIDEO_METAL 0
#endif
#endif
/* Enable system power support */
#define SDL_POWER_MACOSX 1

91
include/SDL_metal.h Normal file
View file

@ -0,0 +1,91 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_metal.h
*
* Header file for functions to creating Metal layers and views on SDL windows.
*/
#ifndef SDL_metal_h_
#define SDL_metal_h_
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief A handle to a CAMetalLayer-backed NSView (macOS) or UIView (iOS/tvOS).
*
* \note This can be cast directly to an NSView or UIView.
*/
typedef void *SDL_MetalView;
/**
* \name Metal support functions
*/
/* @{ */
/**
* \brief Create a CAMetalLayer-backed NSView/UIView and attach it to the
* specified window.
*
* On macOS, this does *not* associate a MTLDevice with the CAMetalLayer on its
* own. It is up to user code to do that.
*
* The returned handle can be casted directly to a NSView or UIView, and the
* CAMetalLayer can be accessed from the view's 'layer' property.
*
* \code
* SDL_MetalView metalview = SDL_Metal_CreateView(window);
* UIView *uiview = (__bridge UIView *)metalview;
* CAMetalLayer *metallayer = (CAMetalLayer *)uiview.layer;
* // [...]
* SDL_Metal_DestroyView(metalview);
* \endcode
*
* \sa SDL_Metal_DestroyView
*/
extern DECLSPEC SDL_MetalView SDLCALL SDL_Metal_CreateView(SDL_Window * window);
/**
* \brief Destroy an existing SDL_MetalView object.
*
* This should be called before SDL_DestroyWindow, if SDL_Metal_CreateView was
* called after SDL_CreateWindow.
*
* \sa SDL_Metal_CreateView
*/
extern DECLSPEC void SDLCALL SDL_Metal_DestroyView(SDL_MetalView view);
/* @} *//* Metal support functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_metal_h_ */

2
src/dynapi/SDL_dynapi_overrides.h
View file

@ -724,3 +724,5 @@
#define SDL_RWwrite SDL_RWwrite_REAL
#define SDL_RWclose SDL_RWclose_REAL
#define SDL_LoadFile SDL_LoadFile_REAL
#define SDL_Metal_CreateView SDL_Metal_CreateView_REAL
#define SDL_Metal_DestroyView SDL_Metal_DestroyView_REAL

2
src/dynapi/SDL_dynapi_procs.h
View file

@ -780,3 +780,5 @@ SDL_DYNAPI_PROC(size_t,SDL_RWread,(SDL_RWops *a, void *b, size_t c, size_t d),(a
SDL_DYNAPI_PROC(size_t,SDL_RWwrite,(SDL_RWops *a, const void *b, size_t c, size_t d),(a,b,c,d),return)
SDL_DYNAPI_PROC(int,SDL_RWclose,(SDL_RWops *a),(a),return)
SDL_DYNAPI_PROC(void*,SDL_LoadFile,(const char *a, size_t *b),(a,b),return)
SDL_DYNAPI_PROC(SDL_MetalView,SDL_Metal_CreateView,(SDL_Window *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_Metal_DestroyView,(SDL_MetalView a),(a),)

46
src/render/metal/SDL_render_metal.m
View file

@ -26,17 +26,17 @@
#include "SDL_log.h"
#include "SDL_assert.h"
#include "SDL_syswm.h"
#include "SDL_metal.h"
#include "../SDL_sysrender.h"
#ifdef __MACOSX__
#include "../../video/cocoa/SDL_cocoametalview.h"
#else
#include "../../video/uikit/SDL_uikitmetalview.h"
#endif
#include <Availability.h>
#import <Metal/Metal.h>
#import <QuartzCore/CAMetalLayer.h>
#ifdef __MACOSX__
#import <AppKit/NSView.h>
#endif
/* Regenerate these with build-metal-shaders.sh */
#ifdef __MACOSX__
#include "SDL_shaders_metal_osx.h"
@ -118,6 +118,7 @@ typedef struct METAL_ShaderPipelines
@property (nonatomic, retain) id<MTLSamplerState> mtlsamplerlinear;
@property (nonatomic, retain) id<MTLBuffer> mtlbufconstants;
@property (nonatomic, retain) id<MTLBuffer> mtlbufquadindices;
@property (nonatomic, assign) SDL_MetalView mtlview;
@property (nonatomic, retain) CAMetalLayer *mtllayer;
@property (nonatomic, retain) MTLRenderPassDescriptor *mtlpassdesc;
@property (nonatomic, assign) METAL_ShaderPipelines *activepipelines;
@ -1475,6 +1476,8 @@ METAL_DestroyRenderer(SDL_Renderer * renderer)
}
DestroyAllPipelines(data.allpipelines, data.pipelinescount);
SDL_Metal_DestroyView(data.mtlview);
}
SDL_free(renderer);
@ -1501,6 +1504,8 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
SDL_Renderer *renderer = NULL;
METAL_RenderData *data = NULL;
id<MTLDevice> mtldevice = nil;
SDL_MetalView view = NULL;
CAMetalLayer *layer = nil;
SDL_SysWMinfo syswm;
SDL_VERSION(&syswm.version);
@ -1527,26 +1532,36 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
return NULL;
}
view = SDL_Metal_CreateView(window);
if (view == NULL) {
SDL_free(renderer);
return NULL;
}
// !!! FIXME: error checking on all of this.
data = [[METAL_RenderData alloc] init];
if (data == nil) {
SDL_Metal_DestroyView(view);
SDL_free(renderer);
return NULL;
}
renderer->driverdata = (void*)CFBridgingRetain(data);
renderer->window = window;
data.mtlview = view;
#ifdef __MACOSX__
NSView *view = Cocoa_Mtl_AddMetalView(window);
CAMetalLayer *layer = (CAMetalLayer *)[view layer];
layer = (CAMetalLayer *)[(NSView *)view layer];
#else
layer = (CAMetalLayer *)[(__bridge UIView *)view layer];
#endif
layer.device = mtldevice;
//layer.colorspace = nil;
#else
UIView *view = UIKit_Mtl_AddMetalView(window);
CAMetalLayer *layer = (CAMetalLayer *)[view layer];
#endif
// Necessary for RenderReadPixels.
/* Necessary for RenderReadPixels. */
layer.framebufferOnly = NO;
data.mtldevice = layer.device;
@ -1763,7 +1778,6 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
[mtlsamplerlinear release];
[mtlbufconstants release];
[mtlbufquadindices release];
[view release];
[data release];
[mtldevice release];
#endif

8
src/video/SDL_sysvideo.h
View file

@ -26,6 +26,7 @@
#include "SDL_messagebox.h"
#include "SDL_shape.h"
#include "SDL_thread.h"
#include "SDL_metal.h"
#include "SDL_vulkan_internal.h"
@ -274,6 +275,13 @@ struct SDL_VideoDevice
SDL_bool (*Vulkan_CreateSurface) (_THIS, SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface);
void (*Vulkan_GetDrawableSize) (_THIS, SDL_Window * window, int *w, int *h);
/* * * */
/*
* Metal support
*/
SDL_MetalView (*Metal_CreateView) (_THIS, SDL_Window * window);
void (*Metal_DestroyView) (_THIS, SDL_MetalView view);
/* * * */
/*
* Event manager functions

21
src/video/SDL_video.c
View file

@ -4183,4 +4183,25 @@ void SDL_Vulkan_GetDrawableSize(SDL_Window * window, int *w, int *h)
}
}
SDL_MetalView
SDL_Metal_CreateView(SDL_Window * window)
{
CHECK_WINDOW_MAGIC(window, NULL);
if (_this->Metal_CreateView) {
return _this->Metal_CreateView(_this, window);
} else {
SDL_SetError("Metal is not supported.");
return NULL;
}
}
void
SDL_Metal_DestroyView(SDL_MetalView view)
{
if (_this && view && _this->Metal_DestroyView) {
_this->Metal_DestroyView(_this, view);
}
}
/* vi: set ts=4 sw=4 expandtab: */

9
src/video/cocoa/SDL_cocoametalview.h
View file

@ -31,7 +31,7 @@
#import "../SDL_sysvideo.h"
#import "SDL_cocoawindow.h"
#if SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_RENDER_METAL)
#if SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL)
#import <Cocoa/Cocoa.h>
#import <Metal/Metal.h>
@ -51,11 +51,12 @@
@end
SDL_cocoametalview* Cocoa_Mtl_AddMetalView(SDL_Window* window);
SDL_MetalView Cocoa_Metal_CreateView(_THIS, SDL_Window * window);
void Cocoa_Metal_DestroyView(_THIS, SDL_MetalView view);
void Cocoa_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h);
void Cocoa_Metal_GetDrawableSize(SDL_Window * window, int * w, int * h);
#endif /* SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_RENDER_METAL) */
#endif /* SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL) */
#endif /* SDL_cocoametalview_h_ */

40
src/video/cocoa/SDL_cocoametalview.m
View file

@ -27,7 +27,7 @@
#import "SDL_cocoametalview.h"
#if SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_RENDER_METAL)
#if SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL)
#include "SDL_assert.h"
@ -100,22 +100,38 @@
@end
SDL_cocoametalview*
Cocoa_Mtl_AddMetalView(SDL_Window* window)
{
SDL_MetalView
Cocoa_Metal_CreateView(_THIS, SDL_Window * window)
{ @autoreleasepool {
SDL_WindowData* data = (__bridge SDL_WindowData *)window->driverdata;
NSView *view = data->nswindow.contentView;
BOOL highDPI = (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) != 0;
SDL_cocoametalview *metalview;
SDL_cocoametalview *newview;
SDL_MetalView metalview;
newview = [[SDL_cocoametalview alloc] initWithFrame:view.frame highDPI:highDPI];
if (newview == nil) {
return NULL;
}
[view addSubview:newview];
metalview = (SDL_MetalView)CFBridgingRetain(newview);
[newview release];
metalview = [[SDL_cocoametalview alloc] initWithFrame:view.frame highDPI:highDPI];
[view addSubview:metalview];
return metalview;
}
}}
void
Cocoa_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h)
{
Cocoa_Metal_DestroyView(_THIS, SDL_MetalView view)
{ @autoreleasepool {
SDL_cocoametalview *metalview = CFBridgingRelease(view);
[metalview removeFromSuperview];
}}
void
Cocoa_Metal_GetDrawableSize(SDL_Window * window, int * w, int * h)
{ @autoreleasepool {
SDL_WindowData *data = (__bridge SDL_WindowData *)window->driverdata;
NSView *view = data->nswindow.contentView;
SDL_cocoametalview* metalview = [view viewWithTag:METALVIEW_TAG];
@ -131,8 +147,8 @@ Cocoa_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h)
} else {
SDL_GetWindowSize(window, w, h);
}
}
}}
#endif /* SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_RENDER_METAL) */
#endif /* SDL_VIDEO_DRIVER_COCOA && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL) */
/* vi: set ts=4 sw=4 expandtab: */

6
src/video/cocoa/SDL_cocoavideo.m
View file

@ -27,6 +27,7 @@
#include "SDL_cocoavideo.h"
#include "SDL_cocoashape.h"
#include "SDL_cocoavulkan.h"
#include "SDL_cocoametalview.h"
#include "SDL_assert.h"
/* Initialization/Query functions */
@ -142,6 +143,11 @@ Cocoa_CreateDevice(int devindex)
device->Vulkan_GetDrawableSize = Cocoa_Vulkan_GetDrawableSize;
#endif
#if SDL_VIDEO_METAL
device->Metal_CreateView = Cocoa_Metal_CreateView;
device->Metal_DestroyView = Cocoa_Metal_DestroyView;
#endif
device->StartTextInput = Cocoa_StartTextInput;
device->StopTextInput = Cocoa_StopTextInput;
device->SetTextInputRect = Cocoa_SetTextInputRect;

20
src/video/cocoa/SDL_cocoavulkan.m
View file

@ -194,6 +194,7 @@ SDL_bool Cocoa_Vulkan_CreateSurface(_THIS,
"vkCreateMacOSSurfaceMVK");
VkMacOSSurfaceCreateInfoMVK createInfo = {};
VkResult result;
SDL_MetalView metalview;
if (!_this->vulkan_config.loader_handle) {
SDL_SetError("Vulkan is not loaded");
@ -205,23 +206,38 @@ SDL_bool Cocoa_Vulkan_CreateSurface(_THIS,
" extension is not enabled in the Vulkan instance.");
return SDL_FALSE;
}
metalview = Cocoa_Metal_CreateView(_this, window);
if (metalview == NULL) {
return SDL_FALSE;
}
createInfo.sType = VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK;
createInfo.pNext = NULL;
createInfo.flags = 0;
createInfo.pView = Cocoa_Mtl_AddMetalView(window);
createInfo.pView = (const void *)metalview;
result = vkCreateMacOSSurfaceMVK(instance, &createInfo,
NULL, surface);
if (result != VK_SUCCESS) {
Cocoa_Metal_DestroyView(_this, metalview);
SDL_SetError("vkCreateMacOSSurfaceMVK failed: %s",
SDL_Vulkan_GetResultString(result));
return SDL_FALSE;
}
/* Unfortunately there's no SDL_Vulkan_DestroySurface function we can call
* Metal_DestroyView from. Right now the metal view's ref count is +2 (one
* from returning a new view object in CreateView, and one because it's
* a subview of the window.) If we release the view here to make it +1, it
* will be destroyed when the window is destroyed. */
CFBridgingRelease(metalview);
return SDL_TRUE;
}
void Cocoa_Vulkan_GetDrawableSize(_THIS, SDL_Window *window, int *w, int *h)
{
Cocoa_Mtl_GetDrawableSize(window, w, h);
Cocoa_Metal_GetDrawableSize(window, w, h);
}
#endif

13
src/video/uikit/SDL_uikitmetalview.h
View file

@ -29,10 +29,10 @@
#ifndef SDL_uikitmetalview_h_
#define SDL_uikitmetalview_h_
#import "../SDL_sysvideo.h"
#import "SDL_uikitwindow.h"
#include "../SDL_sysvideo.h"
#include "SDL_uikitwindow.h"
#if SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_RENDER_METAL || SDL_VIDEO_VULKAN)
#if SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL)
#import <UIKit/UIKit.h>
#import <Metal/Metal.h>
@ -47,11 +47,12 @@
@end
SDL_uikitmetalview* UIKit_Mtl_AddMetalView(SDL_Window* window);
SDL_MetalView UIKit_Metal_CreateView(_THIS, SDL_Window * window);
void UIKit_Metal_DestroyView(_THIS, SDL_MetalView view);
void UIKit_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h);
void UIKit_Metal_GetDrawableSize(SDL_Window * window, int * w, int * h);
#endif /* SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_RENDER_METAL || SDL_VIDEO_VULKAN) */
#endif /* SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL) */
#endif /* SDL_uikitmetalview_h_ */

38
src/video/uikit/SDL_uikitmetalview.m
View file

@ -28,7 +28,7 @@
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_RENDER_METAL || SDL_VIDEO_VULKAN)
#if SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL)
#import "../SDL_sysvideo.h"
#import "SDL_uikitwindow.h"
@ -73,16 +73,12 @@
@end
SDL_uikitmetalview*
UIKit_Mtl_AddMetalView(SDL_Window* window)
{
SDL_MetalView
UIKit_Metal_CreateView(_THIS, SDL_Window * window)
{ @autoreleasepool {
SDL_WindowData *data = (__bridge SDL_WindowData *)window->driverdata;
SDL_uikitview *view = (SDL_uikitview*)data.uiwindow.rootViewController.view;
CGFloat scale = 1.0;
if ([view isKindOfClass:[SDL_uikitmetalview class]]) {
return (SDL_uikitmetalview *)view;
}
SDL_uikitmetalview *metalview;
if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {
/* Set the scale to the natural scale factor of the screen - then
@ -96,16 +92,26 @@ UIKit_Mtl_AddMetalView(SDL_Window* window)
scale = data.uiwindow.screen.scale;
}
}
SDL_uikitmetalview *metalview
= [[SDL_uikitmetalview alloc] initWithFrame:view.frame
scale:scale];
metalview = [[SDL_uikitmetalview alloc] initWithFrame:data.uiwindow.bounds
scale:scale];
[metalview setSDLWindow:window];
return metalview;
}
return (void*)CFBridgingRetain(metalview);
}}
void
UIKit_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h)
UIKit_Metal_DestroyView(_THIS, SDL_MetalView view)
{ @autoreleasepool {
SDL_uikitmetalview *metalview = CFBridgingRelease(view);
if ([metalview isKindOfClass:[SDL_uikitmetalview class]]) {
[metalview setSDLWindow:NULL];
}
}}
void
UIKit_Metal_GetDrawableSize(SDL_Window * window, int * w, int * h)
{
@autoreleasepool {
SDL_WindowData *data = (__bridge SDL_WindowData *)window->driverdata;
@ -126,4 +132,4 @@ UIKit_Mtl_GetDrawableSize(SDL_Window * window, int * w, int * h)
}
}
#endif /* SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_RENDER_METAL || SDL_VIDEO_VULKAN) */
#endif /* SDL_VIDEO_DRIVER_UIKIT && (SDL_VIDEO_VULKAN || SDL_VIDEO_METAL) */

6
src/video/uikit/SDL_uikitvideo.m
View file

@ -38,6 +38,7 @@
#include "SDL_uikitopengles.h"
#include "SDL_uikitclipboard.h"
#include "SDL_uikitvulkan.h"
#include "SDL_uikitmetalview.h"
#define UIKITVID_DRIVER_NAME "uikit"
@ -133,6 +134,11 @@ UIKit_CreateDevice(int devindex)
device->Vulkan_GetDrawableSize = UIKit_Vulkan_GetDrawableSize;
#endif
#if SDL_VIDEO_METAL
device->Metal_CreateView = UIKit_Metal_CreateView;
device->Metal_DestroyView = UIKit_Metal_DestroyView;
#endif
device->gl_config.accelerated = 1;
return device;

18
src/video/uikit/SDL_uikitvulkan.m
View file

@ -200,6 +200,7 @@ SDL_bool UIKit_Vulkan_CreateSurface(_THIS,
"vkCreateIOSSurfaceMVK");
VkIOSSurfaceCreateInfoMVK createInfo = {};
VkResult result;
SDL_MetalView metalview;
if (!_this->vulkan_config.loader_handle) {
SDL_SetError("Vulkan is not loaded");
@ -212,24 +213,37 @@ SDL_bool UIKit_Vulkan_CreateSurface(_THIS,
return SDL_FALSE;
}
metalview = UIKit_Metal_CreateView(_this, window);
if (metalview == NULL) {
return SDL_FALSE;
}
createInfo.sType = VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK;
createInfo.pNext = NULL;
createInfo.flags = 0;
createInfo.pView = (__bridge void *)UIKit_Mtl_AddMetalView(window);
createInfo.pView = (const void *)metalview;
result = vkCreateIOSSurfaceMVK(instance, &createInfo,
NULL, surface);
if (result != VK_SUCCESS) {
UIKit_Metal_DestroyView(_this, metalview);
SDL_SetError("vkCreateIOSSurfaceMVK failed: %s",
SDL_Vulkan_GetResultString(result));
return SDL_FALSE;
}
/* Unfortunately there's no SDL_Vulkan_DestroySurface function we can call
* Metal_DestroyView from. Right now the metal view's ref count is +2 (one
* from returning a new view object in CreateView, and one because it's
* a subview of the window.) If we release the view here to make it +1, it
* will be destroyed when the window is destroyed. */
CFBridgingRelease(metalview);
return SDL_TRUE;
}
void UIKit_Vulkan_GetDrawableSize(_THIS, SDL_Window *window, int *w, int *h)
{
UIKit_Mtl_GetDrawableSize(window, w, h);
UIKit_Metal_GetDrawableSize(window, w, h);
}
#endif