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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()