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59 lines
2.5 KiB
Markdown
59 lines
2.5 KiB
Markdown
# Windows
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## LLVM and Intel C++ compiler support
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SDL will build with the Visual Studio project files with LLVM-based compilers, such as the Intel oneAPI C++
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compiler, but you'll have to manually add the "-msse3" command line option
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to at least the SDL_audiocvt.c source file, and possibly others. This may
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not be necessary if you build SDL with CMake instead of the included Visual
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Studio solution.
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Details are here: https://github.com/libsdl-org/SDL/issues/5186
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## OpenGL ES 2.x support
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SDL has support for OpenGL ES 2.x under Windows via two alternative
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implementations.
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The most straightforward method consists in running your app in a system with
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a graphic card paired with a relatively recent (as of November of 2013) driver
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which supports the WGL_EXT_create_context_es2_profile extension. Vendors known
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to ship said extension on Windows currently include nVidia and Intel.
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The other method involves using the
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[ANGLE library](https://code.google.com/p/angleproject/). If an OpenGL ES 2.x
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context is requested and no WGL_EXT_create_context_es2_profile extension is
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found, SDL will try to load the libEGL.dll library provided by ANGLE.
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To obtain the ANGLE binaries, you can either compile from source from
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https://chromium.googlesource.com/angle/angle or copy the relevant binaries
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from a recent Chrome/Chromium install for Windows. The files you need are:
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- libEGL.dll
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- libGLESv2.dll
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- d3dcompiler_46.dll (supports Windows Vista or later, better shader
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compiler) *or* d3dcompiler_43.dll (supports Windows XP or later)
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If you compile ANGLE from source, you can configure it so it does not need the
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d3dcompiler_* DLL at all (for details on this, see their documentation).
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However, by default SDL will try to preload the d3dcompiler_46.dll to
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comply with ANGLE's requirements. If you wish SDL to preload
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d3dcompiler_43.dll (to support Windows XP) or to skip this step at all, you
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can use the SDL_HINT_VIDEO_WIN_D3DCOMPILER hint (see SDL_hints.h for more
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details).
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Known Bugs:
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- SDL_GL_SetSwapInterval is currently a no op when using ANGLE. It appears
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that there's a bug in the library which prevents the window contents from
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refreshing if this is set to anything other than the default value.
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## Vulkan Surface Support
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Support for creating Vulkan surfaces is configured on by default. To disable
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it change the value of `SDL_VIDEO_VULKAN` to 0 in `SDL_config_windows.h`. You
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must install the [Vulkan SDK](https://www.lunarg.com/vulkan-sdk/) in order to
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use Vulkan graphics in your application.
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