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123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <d3d10_1.h>
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#include <dxgi.h>
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#include "mozilla/layers/PLayers.h"
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#include "ShadowLayers.h"
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namespace mozilla {
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namespace layers {
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// Platform-specific shadow-layers interfaces. See ShadowLayers.h.
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// D3D10 doesn't need all these yet.
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bool
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ShadowLayerForwarder::PlatformAllocBuffer(const gfxIntSize&,
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gfxASurface::gfxContentType,
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uint32_t,
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SurfaceDescriptor*)
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{
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return false;
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}
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/*static*/ already_AddRefed<gfxASurface>
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ShadowLayerForwarder::PlatformOpenDescriptor(OpenMode,
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const SurfaceDescriptor&)
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{
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return nullptr;
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}
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/*static*/ bool
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ShadowLayerForwarder::PlatformCloseDescriptor(const SurfaceDescriptor&)
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{
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return false;
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}
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/*static*/ bool
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ShadowLayerForwarder::PlatformGetDescriptorSurfaceContentType(
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const SurfaceDescriptor&,
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OpenMode,
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gfxContentType*,
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gfxASurface**)
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{
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return false;
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}
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/*static*/ bool
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ShadowLayerForwarder::PlatformGetDescriptorSurfaceSize(
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const SurfaceDescriptor&,
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OpenMode,
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gfxIntSize*,
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gfxASurface**)
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{
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return false;
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}
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bool
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ShadowLayerForwarder::PlatformDestroySharedSurface(SurfaceDescriptor*)
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{
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return false;
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}
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/*static*/ void
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ShadowLayerForwarder::PlatformSyncBeforeUpdate()
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{
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}
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bool
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ShadowLayerManager::PlatformDestroySharedSurface(SurfaceDescriptor*)
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{
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return false;
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}
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/*static*/ already_AddRefed<TextureImage>
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ShadowLayerManager::OpenDescriptorForDirectTexturing(GLContext*,
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const SurfaceDescriptor&,
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GLenum)
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{
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return nullptr;
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}
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/*static*/ void
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ShadowLayerManager::PlatformSyncBeforeReplyUpdate()
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{
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}
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bool
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GetDescriptor(ID3D10Texture2D* aTexture, SurfaceDescriptorD3D10* aDescr)
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{
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NS_ABORT_IF_FALSE(aTexture && aDescr, "Params must be nonnull");
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HRESULT hr;
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IDXGIResource* dr = nullptr;
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hr = aTexture->QueryInterface(__uuidof(IDXGIResource), (void**)&dr);
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if (!SUCCEEDED(hr) || !dr)
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return false;
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hr = dr->GetSharedHandle(reinterpret_cast<HANDLE*>(&aDescr->handle()));
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return !!SUCCEEDED(hr);
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}
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already_AddRefed<ID3D10Texture2D>
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OpenForeign(ID3D10Device* aDevice, const SurfaceDescriptorD3D10& aDescr)
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{
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HRESULT hr;
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ID3D10Texture2D* tex = nullptr;
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hr = aDevice->OpenSharedResource(reinterpret_cast<HANDLE>(aDescr.handle()),
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__uuidof(ID3D10Texture2D),
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(void**)&tex);
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if (!SUCCEEDED(hr) || !tex)
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return nullptr;
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// XXX FIXME TODO do we need this???
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return nsRefPtr<ID3D10Texture2D>(tex).forget();
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}
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} // namespace layers
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} // namespace mozilla
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