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Diffstat (limited to 'gfx/vr/VRDisplayHost.cpp')
-rw-r--r-- | gfx/vr/VRDisplayHost.cpp | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/gfx/vr/VRDisplayHost.cpp b/gfx/vr/VRDisplayHost.cpp deleted file mode 100644 index fd2fd6d6a..000000000 --- a/gfx/vr/VRDisplayHost.cpp +++ /dev/null @@ -1,201 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- -* This Source Code Form is subject to the terms of the Mozilla Public -* License, v. 2.0. If a copy of the MPL was not distributed with this -* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "VRDisplayHost.h" -#include "gfxVR.h" - -#if defined(XP_WIN) - -#include <d3d11.h> -#include "gfxWindowsPlatform.h" -#include "../layers/d3d11/CompositorD3D11.h" -#include "mozilla/layers/TextureD3D11.h" - -#endif - -using namespace mozilla; -using namespace mozilla::gfx; -using namespace mozilla::layers; - -VRDisplayHost::VRDisplayHost(VRDeviceType aType) - : mInputFrameID(0) -{ - MOZ_COUNT_CTOR(VRDisplayHost); - mDisplayInfo.mType = aType; - mDisplayInfo.mDisplayID = VRDisplayManager::AllocateDisplayID(); - mDisplayInfo.mIsPresenting = false; - - for (int i = 0; i < kMaxLatencyFrames; i++) { - mLastSensorState[i].Clear(); - } -} - -VRDisplayHost::~VRDisplayHost() -{ - MOZ_COUNT_DTOR(VRDisplayHost); -} - -void -VRDisplayHost::AddLayer(VRLayerParent *aLayer) -{ - mLayers.AppendElement(aLayer); - if (mLayers.Length() == 1) { - StartPresentation(); - } - mDisplayInfo.mIsPresenting = mLayers.Length() > 0; - - // Ensure that the content process receives the change immediately - VRManager* vm = VRManager::Get(); - vm->RefreshVRDisplays(); -} - -void -VRDisplayHost::RemoveLayer(VRLayerParent *aLayer) -{ - mLayers.RemoveElement(aLayer); - if (mLayers.Length() == 0) { - StopPresentation(); - } - mDisplayInfo.mIsPresenting = mLayers.Length() > 0; - - // Ensure that the content process receives the change immediately - VRManager* vm = VRManager::Get(); - vm->RefreshVRDisplays(); -} - -#if defined(XP_WIN) - -void -VRDisplayHost::SubmitFrame(VRLayerParent* aLayer, const int32_t& aInputFrameID, - PTextureParent* aTexture, const gfx::Rect& aLeftEyeRect, - const gfx::Rect& aRightEyeRect) -{ - // aInputFrameID is no longer controlled by content with the WebVR 1.1 API - // update; however, we will later use this code to enable asynchronous - // submission of multiple layers to be composited. This will enable - // us to build browser UX that remains responsive even when content does - // not consistently submit frames. - - int32_t inputFrameID = aInputFrameID; - if (inputFrameID == 0) { - inputFrameID = mInputFrameID; - } - if (inputFrameID < 0) { - // Sanity check to prevent invalid memory access on builds with assertions - // disabled. - inputFrameID = 0; - } - - VRHMDSensorState sensorState = mLastSensorState[inputFrameID % kMaxLatencyFrames]; - // It is possible to get a cache miss on mLastSensorState if latency is - // longer than kMaxLatencyFrames. An optimization would be to find a frame - // that is closer than the one selected with the modulus. - // If we hit this; however, latency is already so high that the site is - // un-viewable and a more accurate pose prediction is not likely to - // compensate. - - TextureHost* th = TextureHost::AsTextureHost(aTexture); - // WebVR doesn't use the compositor to compose the frame, so use - // AutoLockTextureHostWithoutCompositor here. - AutoLockTextureHostWithoutCompositor autoLock(th); - if (autoLock.Failed()) { - NS_WARNING("Failed to lock the VR layer texture"); - return; - } - - CompositableTextureSourceRef source; - if (!th->BindTextureSource(source)) { - NS_WARNING("The TextureHost was successfully locked but can't provide a TextureSource"); - return; - } - MOZ_ASSERT(source); - - IntSize texSize = source->GetSize(); - - TextureSourceD3D11* sourceD3D11 = source->AsSourceD3D11(); - if (!sourceD3D11) { - NS_WARNING("WebVR support currently only implemented for D3D11"); - return; - } - - SubmitFrame(sourceD3D11, texSize, sensorState, aLeftEyeRect, aRightEyeRect); -} - -#else - -void -VRDisplayHost::SubmitFrame(VRLayerParent* aLayer, const int32_t& aInputFrameID, - PTextureParent* aTexture, const gfx::Rect& aLeftEyeRect, - const gfx::Rect& aRightEyeRect) -{ - NS_WARNING("WebVR only supported in Windows."); -} - -#endif - -bool -VRDisplayHost::CheckClearDisplayInfoDirty() -{ - if (mDisplayInfo == mLastUpdateDisplayInfo) { - return false; - } - mLastUpdateDisplayInfo = mDisplayInfo; - return true; -} - -VRControllerHost::VRControllerHost(VRDeviceType aType) -{ - MOZ_COUNT_CTOR(VRControllerHost); - mControllerInfo.mType = aType; - mControllerInfo.mControllerID = VRDisplayManager::AllocateDisplayID(); -} - -VRControllerHost::~VRControllerHost() -{ - MOZ_COUNT_DTOR(VRControllerHost); -} - -const VRControllerInfo& -VRControllerHost::GetControllerInfo() const -{ - return mControllerInfo; -} - -void -VRControllerHost::SetIndex(uint32_t aIndex) -{ - mIndex = aIndex; -} - -uint32_t -VRControllerHost::GetIndex() -{ - return mIndex; -} - -void -VRControllerHost::SetButtonPressed(uint64_t aBit) -{ - mButtonPressed = aBit; -} - -uint64_t -VRControllerHost::GetButtonPressed() -{ - return mButtonPressed; -} - -void -VRControllerHost::SetPose(const dom::GamepadPoseState& aPose) -{ - mPose = aPose; -} - -const dom::GamepadPoseState& -VRControllerHost::GetPose() -{ - return mPose; -} - |