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Add support for DirectX desktop capturer backend.

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This commit is contained in:
John Preston 2021-05-08 13:22:47 +04:00
parent 50558de591
commit 2830049a53
1 changed files with 63 additions and 19 deletions
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82
Telegram/SourceFiles/platform/win/windows_dlls.cpp
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@ -14,25 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include <d3d11.h> #include <d3d11.h>
HRESULT WINAPI D3D11CreateDevice( #define LOAD_METHOD(lib, name) ::base::Platform::LoadMethod(lib, #name, name)
_In_opt_ IDXGIAdapter* pAdapter,
D3D_DRIVER_TYPE DriverType,
HMODULE Software,
UINT Flags,
_In_reads_opt_(FeatureLevels) CONST D3D_FEATURE_LEVEL* pFeatureLevels,
UINT FeatureLevels,
UINT SDKVersion,
_COM_Outptr_opt_ ID3D11Device** ppDevice,
_Out_opt_ D3D_FEATURE_LEVEL* pFeatureLevel,
_COM_Outptr_opt_ ID3D11DeviceContext** ppImmediateContext) {
return S_FALSE;
}
HRESULT WINAPI CreateDXGIFactory1(
REFIID riid,
_COM_Outptr_ void **ppFactory) {
return S_FALSE;
}
namespace Platform { namespace Platform {
namespace Dlls { namespace Dlls {
@ -64,6 +46,8 @@ void init() {
u"rstrtmgr.dll"_q, u"rstrtmgr.dll"_q,
u"psapi.dll"_q, u"psapi.dll"_q,
u"user32.dll"_q, u"user32.dll"_q,
u"d3d11.dll"_q,
u"dxgi.dll"_q,
}; };
for (const auto &lib : list) { for (const auto &lib : list) {
SafeLoadLibrary(lib); SafeLoadLibrary(lib);
@ -92,6 +76,26 @@ f_DwmSetWindowAttribute DwmSetWindowAttribute;
f_GetProcessMemoryInfo GetProcessMemoryInfo; f_GetProcessMemoryInfo GetProcessMemoryInfo;
f_SetWindowCompositionAttribute SetWindowCompositionAttribute; f_SetWindowCompositionAttribute SetWindowCompositionAttribute;
// D3D11.DLL
HRESULT (__stdcall *D3D11CreateDevice)(
_In_opt_ IDXGIAdapter* pAdapter,
D3D_DRIVER_TYPE DriverType,
HMODULE Software,
UINT Flags,
_In_reads_opt_(FeatureLevels) CONST D3D_FEATURE_LEVEL* pFeatureLevels,
UINT FeatureLevels,
UINT SDKVersion,
_COM_Outptr_opt_ ID3D11Device** ppDevice,
_Out_opt_ D3D_FEATURE_LEVEL* pFeatureLevel,
_COM_Outptr_opt_ ID3D11DeviceContext** ppImmediateContext);
// DXGI.DLL
HRESULT (__stdcall *CreateDXGIFactory1)(
REFIID riid,
_COM_Outptr_ void **ppFactory);
void start() { void start() {
init(); init();
@ -141,7 +145,47 @@ void start() {
const auto LibUser32 = SafeLoadLibrary(u"user32.dll"_q); const auto LibUser32 = SafeLoadLibrary(u"user32.dll"_q);
LoadMethod(LibUser32, "SetWindowCompositionAttribute", SetWindowCompositionAttribute); LoadMethod(LibUser32, "SetWindowCompositionAttribute", SetWindowCompositionAttribute);
const auto LibD3D11 = SafeLoadLibrary(u"d3d11.dll"_q);
LOAD_METHOD(LibD3D11, D3D11CreateDevice);
const auto LibDXGI = SafeLoadLibrary(u"dxgi.dll"_q);
LOAD_METHOD(LibDXGI, CreateDXGIFactory1);
} }
} // namespace Dlls } // namespace Dlls
} // namespace Platform } // namespace Platform
HRESULT WINAPI D3D11CreateDevice(
_In_opt_ IDXGIAdapter* pAdapter,
D3D_DRIVER_TYPE DriverType,
HMODULE Software,
UINT Flags,
_In_reads_opt_(FeatureLevels) CONST D3D_FEATURE_LEVEL* pFeatureLevels,
UINT FeatureLevels,
UINT SDKVersion,
_COM_Outptr_opt_ ID3D11Device** ppDevice,
_Out_opt_ D3D_FEATURE_LEVEL* pFeatureLevel,
_COM_Outptr_opt_ ID3D11DeviceContext** ppImmediateContext) {
return Platform::Dlls::D3D11CreateDevice
? Platform::Dlls::D3D11CreateDevice(
pAdapter,
DriverType,
Software,
Flags,
pFeatureLevels,
FeatureLevels,
SDKVersion,
ppDevice,
pFeatureLevel,
ppImmediateContext)
: S_FALSE;
}
HRESULT WINAPI CreateDXGIFactory1(
REFIID riid,
_COM_Outptr_ void **ppFactory) {
return Platform::Dlls::CreateDXGIFactory1
? Platform::Dlls::CreateDXGIFactory1(riid, ppFactory)
: S_FALSE;
}