The Tor Browser: gfx/layers/ipc/ShadowLayerUtilsD3D10.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  * vim: sw=2 ts=8 et :

     3  */

     4 /* This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #include <d3d10_1.h>

     9 #include <dxgi.h>

    11 #include "mozilla/gfx/Point.h"

    12 #include "mozilla/layers/LayerManagerComposite.h"

    13 #include "mozilla/layers/PLayerTransaction.h"

    14 #include "ShadowLayers.h"

    16 using namespace mozilla::gl;

    18 namespace mozilla {

    19 namespace layers {

    22 /*static*/ void

    23 ShadowLayerForwarder::PlatformSyncBeforeUpdate()

    24 {

    25 }

    27 /*static*/ bool

    28 LayerManagerComposite::SupportsDirectTexturing()

    29 {

    30   return true;

    31 }

    33 /*static*/ void

    34 LayerManagerComposite::PlatformSyncBeforeReplyUpdate()

    35 {

    36 }

    38 bool

    39 GetDescriptor(ID3D10Texture2D* aTexture, SurfaceDescriptorD3D10* aDescr)

    40 {

    41   NS_ABORT_IF_FALSE(aTexture && aDescr, "Params must be nonnull");

    43   HRESULT hr;

    44   IDXGIResource* dr = nullptr;

    45   hr = aTexture->QueryInterface(__uuidof(IDXGIResource), (void**)&dr);

    46   if (!SUCCEEDED(hr) || !dr)

    47     return false;

    49   hr = dr->GetSharedHandle(reinterpret_cast<HANDLE*>(&aDescr->handle()));

    50   return !!SUCCEEDED(hr);

    51 }

    53 already_AddRefed<ID3D10Texture2D>

    54 OpenForeign(ID3D10Device* aDevice, const SurfaceDescriptorD3D10& aDescr)

    55 {

    56   HRESULT hr;

    57   ID3D10Texture2D* tex = nullptr;

    58   hr = aDevice->OpenSharedResource(reinterpret_cast<HANDLE>(aDescr.handle()),

    59                                    __uuidof(ID3D10Texture2D),

    60                                    (void**)&tex);

    61   if (!SUCCEEDED(hr) || !tex)

    62     return nullptr;

    64   return nsRefPtr<ID3D10Texture2D>(tex).forget();

    65 }

    67 } // namespace layers

    68 } // namespace mozilla

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