313 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
			
		
		
	
	
			313 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			Meson
		
	
	
	
	
	
| d3d11_sources = [
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|   'gstd3d11bufferpool.cpp',
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|   'gstd3d11compile.cpp',
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|   'gstd3d11converter.cpp',
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|   'gstd3d11converter-builder.cpp',
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|   'gstd3d11converter-helper.cpp',
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|   'gstd3d11device.cpp',
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|   'gstd3d11format.cpp',
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|   'gstd3d11memory.cpp',
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|   'gstd3d11shadercache.cpp',
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|   'gstd3d11utils.cpp',
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| ]
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| 
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| d3d11_headers = [
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|   'd3d11-prelude.h',
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|   'gstd3d11_fwd.h',
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|   'gstd3d11.h',
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|   'gstd3d11bufferpool.h',
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|   'gstd3d11compile.h',
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|   'gstd3d11converter.h',
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|   'gstd3d11device.h',
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|   'gstd3d11format.h',
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|   'gstd3d11memory.h',
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|   'gstd3d11utils.h',
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| ]
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| 
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| gstd3d11_dep = dependency('', required : false)
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| directxmath_dep = dependency('', required : false)
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| d3d11_opt = get_option('d3d11')
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| 
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| if host_system != 'windows' or d3d11_opt.disabled()
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|   subdir_done()
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| endif
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| 
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| extra_c_args = [
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|   '-DCOBJMACROS',
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| ]
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| extra_comm_args = [
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|   '-DGST_USE_UNSTABLE_API',
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|   '-DBUILDING_GST_D3D11',
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|   '-DG_LOG_DOMAIN="GStreamer-D3D11"',
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| ]
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| # Definition issues in external headers
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| extra_comm_args += cc.get_supported_arguments(['-Wno-undef'])
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| 
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| have_d3d11sdk_h = false
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| have_dxgidebug_h = false
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| d3d11_winapi_app = false
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| d3d11_conf = configuration_data()
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| 
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| d3d11_lib = cc.find_library('d3d11', required: d3d11_opt)
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| dxgi_lib = cc.find_library('dxgi', required: d3d11_opt)
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| d3dcompiler_lib = cc.find_library('d3dcompiler', required: false)
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| runtimeobject_lib = cc.find_library('runtimeobject', required: false)
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| 
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| if not gstd3dshader_dep.found()
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|   if d3d11_option.enabled()
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|     error('The d3d11 was enabled explicitly, but required d3dshader dep were not found.')
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|   endif
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|   subdir_done()
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| endif
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| 
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| if not d3d11_lib.found() or not dxgi_lib.found()
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|   subdir_done()
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| endif
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| 
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| sdk_headers = [
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|   'd3d11_4.h',
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|   'dxgi1_6.h',
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|   'd3dcompiler.h'
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| ]
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| 
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| foreach h : sdk_headers
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|   if not cc.has_header(h, required: d3d11_opt)
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|     subdir_done()
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|   endif
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| endforeach
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| 
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| d3d11_winapi_desktop = cxx.compiles('''#include <winapifamily.h>
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|     #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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|     #error "not win32"
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|     #endif''',
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|     dependencies: [d3d11_lib, dxgi_lib],
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|     name: 'building for Win32')
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| 
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| if runtimeobject_lib.found() and d3dcompiler_lib.found()
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|   d3d11_winapi_app = cxx.compiles('''#include <winapifamily.h>
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|       #include <windows.applicationmodel.core.h>
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|       #include <wrl.h>
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|       #include <wrl/wrappers/corewrappers.h>
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|       #include <d3d11_4.h>
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|       #include <dxgi1_6.h>
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|       #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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|       #error "not winrt"
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|       #endif
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|       #if (WINVER < 0x0A00)
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|       #error "Windows 10 API is not guaranteed"
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|       #endif''',
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|       dependencies: [d3d11_lib, dxgi_lib, runtimeobject_lib],
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|       name: 'building for WinRT')
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| endif
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| 
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| if not d3d11_winapi_desktop and not d3d11_winapi_app
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|   if d3d11_opt.enabled()
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|     error('Not building for win32 or winRT?')
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|   endif
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|   subdir_done()
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| endif
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| 
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| extra_deps = []
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| d3d11_winapi_only_app = d3d11_winapi_app and not d3d11_winapi_desktop
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| d3d11_conf.set10('GST_D3D11_WINAPI_ONLY_APP', d3d11_winapi_only_app)
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| d3d11_conf.set10('GST_D3D11_WINAPI_APP', d3d11_winapi_app)
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| 
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| # for enabling debug layer
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| # NOTE: Disable d3d11/dxgi debug layer in case of [UWP build + release CRT]
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| # WACK (Windows App Certification Kit) doesn't seem to be happy with
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| # the DXGIGetDebugInterface1 symbol.
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| 
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| # FIXME: Probably DXGIGetDebugInterface1 might be used on UWP app for development
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| # purpose. So, I suspect one possible reason why WACK is complaining about
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| # DXGIGetDebugInterface1 is that debugging APIs couldn't be used for
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| # Windows store app, but couldn't find any reference about that.
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| #
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| # [IDXGIDebug1]
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| # https://docs.microsoft.com/en-us/windows/win32/api/dxgidebug/nn-dxgidebug-idxgidebug1
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| # is saying that the IDXGIDebug1 interface is available for both desktop app and
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| # UWP. And then the *DXGIGetDebugInterface1* method need to be called to obtain
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| # the IDXGIDebug1 interface.
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| #
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| # [DXGIGetDebugInterface1]
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| # https://docs.microsoft.com/en-us/windows/win32/api/dxgi1_3/nf-dxgi1_3-dxgigetdebuginterface1
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| # is mentioning that DXGIGetDebugInterface1 is desktop app only.
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| #
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| # PLEASE LET US KNOW A CORRECT WAY TO OBTAIN IDXGIDebug1 ON UWP, MICROSOFT
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| if not gst_debug_disabled and get_option('debug') and not (d3d11_winapi_only_app and get_option('b_vscrt') == 'md')
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|   d3d11_debug_libs = [
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|     ['d3d11sdklayers.h', 'ID3D11Debug', 'ID3D11InfoQueue', 'have_d3d11sdk_h'],
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|     ['dxgidebug.h', 'IDXGIDebug', 'IDXGIInfoQueue', 'have_dxgidebug_h'],
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|   ]
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| 
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|   foreach f : d3d11_debug_libs
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|     header = f.get(0)
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|     debug_obj = f.get(1)
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|     info_obj = f.get(2)
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|     compile_code = '''
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|                    #include <d3d11.h>
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|                    #include <dxgi.h>
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|                    #include <@0@>
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|                    int main(int arc, char ** argv) {
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|                      @1@ *debug = NULL;
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|                      @2@ *info_queue = NULL;
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|                      return 0;
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|                    }'''.format(header, debug_obj, info_obj)
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|     if cc.compiles(compile_code, dependencies: [d3d11_lib, dxgi_lib], name: debug_obj)
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|       set_variable(f.get(3), true)
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|     endif
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|   endforeach
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| else
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|   message('Disable D3D11Debug and DXGIDebug layers')
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| endif
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| 
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| # don't need to be defined in gstd3d11config.h since it's gstd3d11device internal
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| if have_d3d11sdk_h
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|   extra_comm_args += ['-DHAVE_D3D11SDKLAYERS_H']
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| endif
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| 
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| if have_dxgidebug_h
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|   extra_comm_args += ['-DHAVE_DXGIDEBUG_H']
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| endif
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| 
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| if d3d11_winapi_only_app
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|   extra_deps += [d3dcompiler_lib, runtimeobject_lib]
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| endif
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| 
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| # MinGW 32bits compiler seems to be complaining about redundant-decls
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| # when ComPtr is in use. Let's just disable the warning
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| if cc.get_id() != 'msvc'
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|   extra_args = cc.get_supported_arguments([
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|     '-Wno-redundant-decls',
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|     # include/directxmath/DirectXMathMatrix.inl:1161:16: error: variable 'aa' set but not used
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|     '-Wno-unused-but-set-variable',
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|   ])
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| 
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|   extra_comm_args += extra_args
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| endif
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| 
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| have_dx_math = cxx.compiles('''
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|     #include <windows.h>
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|     #include <DirectXMath.h>
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|     using namespace DirectX;
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|     int main(int argc, char ** argv) {
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|       XMMATRIX matrix;
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|       XMFLOAT4X4 dump;
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|       matrix = XMMatrixIdentity ();
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|       XMStoreFloat4x4 (&dump, matrix);
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|       return 0;
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|     }
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|     ''',
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|     name: 'DirectXMath support in Windows SDK')
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| 
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| if not have_dx_math
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|   directxmath_dep = dependency('DirectXMath', 'directxmath',
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|       allow_fallback: true,
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|       version: '>= 3.1.9',
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|       required: d3d11_opt)
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|   if not directxmath_dep.found()
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|     subdir_done()
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|   endif
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|   extra_deps += [directxmath_dep]
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| endif
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| 
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| # https://learn.microsoft.com/en-us/windows/win32/dxmath/pg-xnamath-internals#windows-sse-versus-sse2
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| # x86 with Windows 7 or older may not support SSE2
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| if host_machine.cpu_family() != 'x86'
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|   have_dx_math_simd = cxx.compiles('''
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|       #include <windows.h>
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|       #include <DirectXMath.h>
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|       using namespace DirectX;
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|       int main(int argc, char ** argv) {
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|         XMVerifyCPUSupport ();
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|         return 0;
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|       }
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|       ''',
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|       name: 'DirectXMath SIMD support',
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|       dependencies: directxmath_dep)
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|   if have_dx_math_simd
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|     extra_comm_args += ['-DHAVE_DIRECTX_MATH_SIMD']
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|   elif get_option('d3d11-math').enabled()
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|     error('Usable DirectXMath not found')
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|   endif
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| endif
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| 
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| if cxx.compiles('''
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|     #include <d3d11_4.h>
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|     #include <d3d11.h>
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|     int main(int argc, char ** argv) {
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|       D3D11_FEATURE_DATA_D3D11_OPTIONS options;
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|       D3D11_FEATURE_DATA_D3D11_OPTIONS4 options4;
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|       D3D11_FEATURE_DATA_D3D11_OPTIONS5 options5;
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|       D3D11_FEATURE fo = D3D11_FEATURE_D3D11_OPTIONS;
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|       D3D11_FEATURE fo4 = D3D11_FEATURE_D3D11_OPTIONS4;
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|       D3D11_FEATURE fo5 = D3D11_FEATURE_D3D11_OPTIONS5;
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|       return 0;
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|     }
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|     ''',
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|     name: 'D3D11_FEATURE_DATA_* symbols in d3d11 header')
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|   extra_comm_args += ['-DHAVE_D3D11_FEATURE_DATA_D3D11_OPTIONS5']
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| endif
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| 
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| configure_file(
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|   input : 'gstd3d11config.h.meson',
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|   output : 'gstd3d11config.h',
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|   install_dir : get_option('libdir') + '/gstreamer-1.0/include/gst/d3d11',
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|   install_tag : 'devel',
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|   configuration: d3d11_conf,
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| )
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| 
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| pkg_name = 'gstreamer-d3d11-' + api_version
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| gstd3d11 = library('gstd3d11-' + api_version,
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|   d3d11_sources,
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|   c_args : gst_plugins_bad_args + extra_c_args + extra_comm_args,
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|   cpp_args : gst_plugins_bad_args + extra_comm_args,
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|   include_directories : [configinc, libsinc],
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|   version : libversion,
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|   soversion : soversion,
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|   install : true,
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|   dependencies : [gstbase_dep, gstvideo_dep, gmodule_dep, gstd3dshader_dep, d3d11_lib, dxgi_lib] + extra_deps
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| )
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| 
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| pkgconfig.generate(gstd3d11,
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|   libraries : [gstbase_dep, gstvideo_dep, d3d11_lib, dxgi_lib],
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|   variables : pkgconfig_variables,
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|   subdirs : pkgconfig_subdirs,
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|   extra_cflags : ['-I${libdir}/gstreamer-1.0/include'],
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|   name : pkg_name,
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|   description : 'GStreamer Direct3D11 library',
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| )
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| 
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| library_def = {'lib': gstd3d11}
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| if build_gir
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|   gir_includes = ['Gst-1.0', 'GstBase-1.0', 'GstVideo-1.0']
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|   gir = {
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|     'sources' : d3d11_sources + d3d11_headers,
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|     'namespace' : 'GstD3D11',
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|     'nsversion' : api_version,
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|     'identifier_prefix' : 'Gst',
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|     'symbol_prefix' : 'gst',
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|     'export_packages' : pkg_name,
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|     'includes' : gir_includes,
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|     'install' : true,
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|     'extra_args' : gir_init_section + ['-DGST_USE_UNSTABLE_API'],
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|     'dependencies' : [gstbase_dep, gstvideo_dep, d3d11_lib, dxgi_lib],
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|   }
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|   if not static_build
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|     d3d11_gir = gnome.generate_gir(gstd3d11, kwargs: gir)
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|     library_def += {'gir_targets':  library_def.get('gir_targets', []) + [d3d11_gir]}
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|     gen_sources += d3d11_gir
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|   endif
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| 
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|   library_def += {'gir': [gir]}
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| endif
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| gst_libraries += [[pkg_name, library_def]]
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| 
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| install_headers(d3d11_headers, subdir : 'gstreamer-1.0/gst/d3d11')
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| 
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| gstd3d11_dep = declare_dependency(link_with : gstd3d11,
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|   include_directories : [libsinc],
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|   dependencies : [gstbase_dep, gstvideo_dep, d3d11_lib, dxgi_lib],
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|   sources : gen_sources)
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| 
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| meson.override_dependency(pkg_name, gstd3d11_dep)
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