1 files changed, 124 insertions, 0 deletions
diff --git a/gfx/vr/service/PuppetSession.cpp b/gfx/vr/service/PuppetSession.cpp
new file mode 100644
index 0000000000..6f46bccacc
--- /dev/null
+++ b/gfx/vr/service/PuppetSession.cpp
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "PuppetSession.h"
+
+#include "nsString.h"
+#include "VRPuppetCommandBuffer.h"
+#include "mozilla/StaticPrefs_dom.h"
+
+#if defined(XP_WIN)
+#  include <d3d11.h>
+#  include "mozilla/gfx/DeviceManagerDx.h"
+#elif defined(XP_MACOSX)
+#  include "mozilla/gfx/MacIOSurface.h"
+#endif
+
+using namespace mozilla::gfx;
+
+namespace mozilla::gfx {
+
+PuppetSession::PuppetSession() = default;
+
+PuppetSession::~PuppetSession() { Shutdown(); }
+
+bool PuppetSession::Initialize(mozilla::gfx::VRSystemState& aSystemState,
+                               bool aDetectRuntimesOnly) {
+  if (!StaticPrefs::dom_vr_enabled() || !StaticPrefs::dom_vr_puppet_enabled()) {
+    return false;
+  }
+  if (!VRPuppetCommandBuffer::IsCreated()) {
+    // We only want to initialize VRPuppetCommandBuffer on the main thread.
+    // We can assume if it is not initialized, that the puppet display
+    // would not be enumerated.
+    return false;
+  }
+  if (aDetectRuntimesOnly) {
+    aSystemState.displayState.capabilityFlags |=
+        VRDisplayCapabilityFlags::Cap_ImmersiveVR;
+    return false;
+  }
+  VRPuppetCommandBuffer::Get().Run(aSystemState);
+  if (!aSystemState.displayState.isConnected) {
+    return false;
+  }
+#if defined(XP_WIN)
+  if (!CreateD3DObjects()) {
+    Shutdown();
+    return false;
+  }
+#endif
+
+  // Succeeded
+  return true;
+}
+
+#if defined(XP_WIN)
+bool PuppetSession::CreateD3DObjects() {
+  RefPtr<ID3D11Device> device = gfx::DeviceManagerDx::Get()->GetVRDevice();
+  if (!device) {
+    return false;
+  }
+  if (!CreateD3DContext(device)) {
+    return false;
+  }
+  return true;
+}
+#endif
+
+void PuppetSession::Shutdown() {}
+
+void PuppetSession::StartFrame(mozilla::gfx::VRSystemState& aSystemState) {
+  VRPuppetCommandBuffer::Get().Run(aSystemState);
+}
+
+void PuppetSession::ProcessEvents(mozilla::gfx::VRSystemState& aSystemState) {
+  VRPuppetCommandBuffer& puppet = VRPuppetCommandBuffer::Get();
+  puppet.Run(aSystemState);
+  if (!aSystemState.displayState.isConnected) {
+    mShouldQuit = true;
+  }
+}
+
+#if defined(XP_WIN)
+bool PuppetSession::SubmitFrame(
+    const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer,
+    ID3D11Texture2D* aTexture) {
+  return VRPuppetCommandBuffer::Get().SubmitFrame();
+}
+#elif defined(XP_MACOSX)
+bool PuppetSession::SubmitFrame(
+    const mozilla::gfx::VRLayer_Stereo_Immersive& aLayer,
+    const VRLayerTextureHandle& aTexture) {
+  return VRPuppetCommandBuffer::Get().SubmitFrame();
+}
+#endif
+
+void PuppetSession::StopPresentation() {
+  VRPuppetCommandBuffer::Get().StopPresentation();
+}
+
+bool PuppetSession::StartPresentation() {
+  VRPuppetCommandBuffer::Get().StartPresentation();
+  return true;
+}
+
+void PuppetSession::VibrateHaptic(uint32_t aControllerIdx,
+                                  uint32_t aHapticIndex, float aIntensity,
+                                  float aDuration) {
+  VRPuppetCommandBuffer::Get().VibrateHaptic(aControllerIdx, aHapticIndex,
+                                             aIntensity, aDuration);
+}
+
+void PuppetSession::StopVibrateHaptic(uint32_t aControllerIdx) {
+  VRPuppetCommandBuffer::Get().StopVibrateHaptic(aControllerIdx);
+}
+
+void PuppetSession::StopAllHaptics() {
+  VRPuppetCommandBuffer::Get().StopAllHaptics();
+}
+
+}  // namespace mozilla::gfx