Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 156 insertions, 0 deletions

diff --git a/dom/webgpu/ipc/WebGPUParent.h b/dom/webgpu/ipc/WebGPUParent.h
new file mode 100644
index 0000000000..384d560003
--- /dev/null
+++ b/dom/webgpu/ipc/WebGPUParent.h
@@ -0,0 +1,156 @@
+/* -*- Mode: C++; tab-width: 4; 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/. */
+
+#ifndef WEBGPU_PARENT_H_
+#define WEBGPU_PARENT_H_
+
+#include "mozilla/webgpu/ffi/wgpu.h"
+#include "mozilla/webgpu/PWebGPUParent.h"
+#include "mozilla/webrender/WebRenderAPI.h"
+#include "mozilla/ipc/RawShmem.h"
+#include "WebGPUTypes.h"
+#include "base/timer.h"
+
+namespace mozilla {
+
+namespace layers {
+class RemoteTextureOwnerClient;
+}  // namespace layers
+
+namespace webgpu {
+
+class ErrorBuffer;
+class PresentationData;
+
+struct ErrorScopeStack {
+  nsTArray<MaybeScopedError> mStack;
+};
+
+class WebGPUParent final : public PWebGPUParent {
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebGPUParent, override)
+
+ public:
+  explicit WebGPUParent();
+
+  ipc::IPCResult RecvInstanceRequestAdapter(
+      const dom::GPURequestAdapterOptions& aOptions,
+      const nsTArray<RawId>& aTargetIds,
+      InstanceRequestAdapterResolver&& resolver);
+  ipc::IPCResult RecvAdapterRequestDevice(
+      RawId aAdapterId, const ipc::ByteBuf& aByteBuf, RawId aDeviceId,
+      AdapterRequestDeviceResolver&& resolver);
+  ipc::IPCResult RecvAdapterDestroy(RawId aAdapterId);
+  ipc::IPCResult RecvDeviceDestroy(RawId aDeviceId);
+  ipc::IPCResult RecvCreateBuffer(RawId aDeviceId, RawId aBufferId,
+                                  dom::GPUBufferDescriptor&& aDesc,
+                                  ipc::UnsafeSharedMemoryHandle&& aShmem);
+  ipc::IPCResult RecvBufferMap(RawId aBufferId, uint32_t aMode,
+                               uint64_t aOffset, uint64_t size,
+                               BufferMapResolver&& aResolver);
+  ipc::IPCResult RecvBufferUnmap(RawId aDeviceId, RawId aBufferId, bool aFlush);
+  ipc::IPCResult RecvBufferDestroy(RawId aBufferId);
+  ipc::IPCResult RecvBufferDrop(RawId aBufferId);
+  ipc::IPCResult RecvTextureDestroy(RawId aTextureId);
+  ipc::IPCResult RecvTextureViewDestroy(RawId aTextureViewId);
+  ipc::IPCResult RecvSamplerDestroy(RawId aSamplerId);
+  ipc::IPCResult RecvCommandEncoderFinish(
+      RawId aEncoderId, RawId aDeviceId,
+      const dom::GPUCommandBufferDescriptor& aDesc);
+  ipc::IPCResult RecvCommandEncoderDestroy(RawId aEncoderId);
+  ipc::IPCResult RecvCommandBufferDestroy(RawId aCommandBufferId);
+  ipc::IPCResult RecvRenderBundleDestroy(RawId aBundleId);
+  ipc::IPCResult RecvQueueSubmit(RawId aQueueId, RawId aDeviceId,
+                                 const nsTArray<RawId>& aCommandBuffers);
+  ipc::IPCResult RecvQueueWriteAction(RawId aQueueId, RawId aDeviceId,
+                                      const ipc::ByteBuf& aByteBuf,
+                                      ipc::UnsafeSharedMemoryHandle&& aShmem);
+  ipc::IPCResult RecvBindGroupLayoutDestroy(RawId aBindGroupLayoutId);
+  ipc::IPCResult RecvPipelineLayoutDestroy(RawId aPipelineLayoutId);
+  ipc::IPCResult RecvBindGroupDestroy(RawId aBindGroupId);
+  ipc::IPCResult RecvShaderModuleDestroy(RawId aModuleId);
+  ipc::IPCResult RecvComputePipelineDestroy(RawId aPipelineId);
+  ipc::IPCResult RecvRenderPipelineDestroy(RawId aPipelineId);
+  ipc::IPCResult RecvImplicitLayoutDestroy(
+      RawId aImplicitPlId, const nsTArray<RawId>& aImplicitBglIds);
+  ipc::IPCResult RecvDeviceCreateSwapChain(
+      RawId aDeviceId, RawId aQueueId, const layers::RGBDescriptor& aDesc,
+      const nsTArray<RawId>& aBufferIds,
+      const layers::RemoteTextureOwnerId& aOwnerId);
+  ipc::IPCResult RecvDeviceCreateShaderModule(
+      RawId aDeviceId, RawId aModuleId, const nsString& aLabel,
+      const nsCString& aCode, DeviceCreateShaderModuleResolver&& aOutMessage);
+
+  ipc::IPCResult RecvSwapChainPresent(
+      RawId aTextureId, RawId aCommandEncoderId,
+      const layers::RemoteTextureId& aRemoteTextureId,
+      const layers::RemoteTextureOwnerId& aOwnerId);
+  ipc::IPCResult RecvSwapChainDestroy(
+      const layers::RemoteTextureOwnerId& aOwnerId);
+
+  ipc::IPCResult RecvDeviceAction(RawId aDeviceId,
+                                  const ipc::ByteBuf& aByteBuf);
+  ipc::IPCResult RecvDeviceActionWithAck(
+      RawId aDeviceId, const ipc::ByteBuf& aByteBuf,
+      DeviceActionWithAckResolver&& aResolver);
+  ipc::IPCResult RecvTextureAction(RawId aTextureId, RawId aDevice,
+                                   const ipc::ByteBuf& aByteBuf);
+  ipc::IPCResult RecvCommandEncoderAction(RawId aEncoderId, RawId aDeviceId,
+                                          const ipc::ByteBuf& aByteBuf);
+  ipc::IPCResult RecvBumpImplicitBindGroupLayout(RawId aPipelineId,
+                                                 bool aIsCompute,
+                                                 uint32_t aIndex,
+                                                 RawId aAssignId);
+
+  ipc::IPCResult RecvDevicePushErrorScope(RawId aDeviceId);
+  ipc::IPCResult RecvDevicePopErrorScope(
+      RawId aDeviceId, DevicePopErrorScopeResolver&& aResolver);
+  ipc::IPCResult RecvGenerateError(RawId aDeviceId, const nsCString& message);
+
+  ipc::IPCResult GetFrontBufferSnapshot(
+      IProtocol* aProtocol, const layers::RemoteTextureOwnerId& aOwnerId,
+      Maybe<Shmem>& aShmem, gfx::IntSize& aSize);
+
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  struct BufferMapData {
+    ipc::WritableSharedMemoryMapping mShmem;
+    // True if buffer's usage has MAP_READ or MAP_WRITE set.
+    bool mHasMapFlags;
+    uint64_t mMappedOffset;
+    uint64_t mMappedSize;
+  };
+
+  BufferMapData* GetBufferMapData(RawId aBufferId);
+
+ private:
+  void DeallocBufferShmem(RawId aBufferId);
+
+  virtual ~WebGPUParent();
+  void MaintainDevices();
+  bool ForwardError(RawId aDeviceId, ErrorBuffer& aError);
+  void ReportError(RawId aDeviceId, const nsCString& message);
+
+  UniquePtr<ffi::WGPUGlobal> mContext;
+  base::RepeatingTimer<WebGPUParent> mTimer;
+
+  /// A map from wgpu buffer ids to data about their shared memory segments.
+  /// Includes entries about mappedAtCreation, MAP_READ and MAP_WRITE buffers,
+  /// regardless of their state.
+  std::unordered_map<uint64_t, BufferMapData> mSharedMemoryMap;
+  /// Associated presentation data for each swapchain.
+  std::unordered_map<layers::RemoteTextureOwnerId, RefPtr<PresentationData>,
+                     layers::RemoteTextureOwnerId::HashFn>
+      mCanvasMap;
+
+  RefPtr<layers::RemoteTextureOwnerClient> mRemoteTextureOwner;
+
+  /// Associated stack of error scopes for each device.
+  std::unordered_map<uint64_t, ErrorScopeStack> mErrorScopeMap;
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // WEBGPU_PARENT_H_