| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gl/gl_angle_util_win.h" |
| |
| #include <objbase.h> |
| |
| #include "base/trace_event/trace_event.h" |
| #include "third_party/angle/include/EGL/egl.h" |
| #include "third_party/angle/include/EGL/eglext.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_surface_egl.h" |
| |
| namespace gl { |
| |
| void* QueryDeviceObjectFromANGLE(int object_type) { |
| TRACE_EVENT0("gpu", "QueryDeviceObjectFromANGLE"); |
| |
| EGLDisplay egl_display = gl::GLSurfaceEGL::GetHardwareDisplay(); |
| if (egl_display == EGL_NO_DISPLAY) { |
| DVLOG(1) << "Failed to retrieve EGLDisplay"; |
| return nullptr; |
| } |
| |
| if (!gl::GLSurfaceEGL::IsEGLQueryDeviceSupported()) { |
| DVLOG(1) << "EGL_EXT_device_query not supported"; |
| return nullptr; |
| } |
| |
| intptr_t egl_device = 0; |
| if (!eglQueryDisplayAttribEXT(egl_display, EGL_DEVICE_EXT, &egl_device)) { |
| DVLOG(1) << "eglQueryDisplayAttribEXT failed"; |
| return nullptr; |
| } |
| |
| if (!egl_device) { |
| DVLOG(1) << "Failed to retrieve EGLDeviceEXT"; |
| return nullptr; |
| } |
| |
| intptr_t device = 0; |
| if (!eglQueryDeviceAttribEXT(reinterpret_cast<EGLDeviceEXT>(egl_device), |
| object_type, &device)) { |
| DVLOG(1) << "eglQueryDeviceAttribEXT failed"; |
| return nullptr; |
| } |
| |
| return reinterpret_cast<void*>(device); |
| } |
| |
| Microsoft::WRL::ComPtr<ID3D11Device> QueryD3D11DeviceObjectFromANGLE() { |
| Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device; |
| d3d11_device = reinterpret_cast<ID3D11Device*>( |
| QueryDeviceObjectFromANGLE(EGL_D3D11_DEVICE_ANGLE)); |
| return d3d11_device; |
| } |
| |
| Microsoft::WRL::ComPtr<IDirect3DDevice9> QueryD3D9DeviceObjectFromANGLE() { |
| Microsoft::WRL::ComPtr<IDirect3DDevice9> d3d9_device; |
| d3d9_device = reinterpret_cast<IDirect3DDevice9*>( |
| QueryDeviceObjectFromANGLE(EGL_D3D9_DEVICE_ANGLE)); |
| return d3d9_device; |
| } |
| |
| Microsoft::WRL::ComPtr<IDCompositionDevice2> QueryDirectCompositionDevice( |
| Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device) { |
| // Each D3D11 device will have a DirectComposition device stored in its |
| // private data under this GUID. |
| // {CF81D85A-8D30-4769-8509-B9D73898D870} |
| static const GUID kDirectCompositionGUID = { |
| 0xcf81d85a, |
| 0x8d30, |
| 0x4769, |
| {0x85, 0x9, 0xb9, 0xd7, 0x38, 0x98, 0xd8, 0x70}}; |
| |
| Microsoft::WRL::ComPtr<IDCompositionDevice2> dcomp_device; |
| if (!d3d11_device) |
| return dcomp_device; |
| |
| UINT data_size = sizeof(dcomp_device.Get()); |
| HRESULT hr = |
| d3d11_device->GetPrivateData(kDirectCompositionGUID, &data_size, |
| dcomp_device.ReleaseAndGetAddressOf()); |
| if (SUCCEEDED(hr) && dcomp_device) |
| return dcomp_device; |
| |
| // Allocate a new DirectComposition device if none currently exists. |
| HMODULE dcomp_module = ::GetModuleHandle(L"dcomp.dll"); |
| if (!dcomp_module) |
| return dcomp_device; |
| |
| using PFN_DCOMPOSITION_CREATE_DEVICE2 = HRESULT(WINAPI*)( |
| IUnknown * renderingDevice, REFIID iid, void** dcompositionDevice); |
| PFN_DCOMPOSITION_CREATE_DEVICE2 create_device_function = |
| reinterpret_cast<PFN_DCOMPOSITION_CREATE_DEVICE2>( |
| ::GetProcAddress(dcomp_module, "DCompositionCreateDevice2")); |
| if (!create_device_function) |
| return dcomp_device; |
| |
| Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device; |
| d3d11_device.As(&dxgi_device); |
| Microsoft::WRL::ComPtr<IDCompositionDesktopDevice> desktop_device; |
| hr = create_device_function(dxgi_device.Get(), IID_PPV_ARGS(&desktop_device)); |
| if (FAILED(hr)) |
| return dcomp_device; |
| |
| hr = desktop_device.As(&dcomp_device); |
| CHECK(SUCCEEDED(hr)); |
| d3d11_device->SetPrivateDataInterface(kDirectCompositionGUID, |
| dcomp_device.Get()); |
| |
| return dcomp_device; |
| } |
| |
| } // namespace gl |