1 files changed, 73 insertions, 0 deletions
diff --git a/dom/webgpu/Texture.h b/dom/webgpu/Texture.h
new file mode 100644
index 0000000000..e31878f825
--- /dev/null
+++ b/dom/webgpu/Texture.h
@@ -0,0 +1,73 @@
+/* -*- 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 GPU_Texture_H_
+#define GPU_Texture_H_
+
+#include <cstdint>
+#include "mozilla/WeakPtr.h"
+#include "nsWrapperCache.h"
+#include "ObjectModel.h"
+#include "mozilla/webgpu/WebGPUTypes.h"
+#include "mozilla/webgpu/ffi/wgpu.h"
+
+namespace mozilla {
+namespace dom {
+struct GPUTextureDescriptor;
+struct GPUTextureViewDescriptor;
+enum class GPUTextureDimension : uint8_t;
+enum class GPUTextureFormat : uint8_t;
+enum class GPUTextureUsageFlags : uint32_t;
+}  // namespace dom
+
+namespace webgpu {
+
+class CanvasContext;
+class Device;
+class TextureView;
+
+class Texture final : public ObjectBase, public ChildOf<Device> {
+ public:
+  GPU_DECL_CYCLE_COLLECTION(Texture)
+  GPU_DECL_JS_WRAP(Texture)
+
+  Texture(Device* const aParent, RawId aId,
+          const dom::GPUTextureDescriptor& aDesc);
+  Device* GetParentDevice() { return mParent; }
+  const RawId mId;
+  const dom::GPUTextureFormat mFormat;
+  const Maybe<uint8_t> mBytesPerBlock;
+
+  WeakPtr<CanvasContext> mTargetContext;
+
+ private:
+  virtual ~Texture();
+  void Cleanup();
+
+  const ffi::WGPUExtent3d mSize;
+  const uint32_t mMipLevelCount;
+  const uint32_t mSampleCount;
+  const dom::GPUTextureDimension mDimension;
+  const uint32_t mUsage;
+
+ public:
+  already_AddRefed<TextureView> CreateView(
+      const dom::GPUTextureViewDescriptor& aDesc);
+  void Destroy();
+
+  uint32_t Width() const { return mSize.width; }
+  uint32_t Height() const { return mSize.height; }
+  uint32_t DepthOrArrayLayers() const { return mSize.depth_or_array_layers; }
+  uint32_t MipLevelCount() const { return mMipLevelCount; }
+  uint32_t SampleCount() const { return mSampleCount; }
+  dom::GPUTextureDimension Dimension() const { return mDimension; }
+  dom::GPUTextureFormat Format() const { return mFormat; }
+  uint32_t Usage() const { return mUsage; }
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // GPU_Texture_H_