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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/webgpu/ExternalTexture.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/webgpu/ExternalTexture.h')
-rw-r--r--dom/webgpu/ExternalTexture.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/dom/webgpu/ExternalTexture.h b/dom/webgpu/ExternalTexture.h
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+/* -*- 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 ExternalTexture_H_
+#define ExternalTexture_H_
+
+#include "mozilla/gfx/Point.h"
+#include "mozilla/layers/LayersSurfaces.h"
+#include "mozilla/webgpu/ffi/wgpu.h"
+
+namespace mozilla {
+
+namespace ipc {
+class Shmem;
+}
+
+namespace webgpu {
+
+// A texture that can be used by the WebGPU implementation but is created and
+// owned by Gecko
+class ExternalTexture {
+ public:
+ static UniquePtr<ExternalTexture> Create(
+ const uint32_t aWidth, const uint32_t aHeight,
+ const struct ffi::WGPUTextureFormat aFormat,
+ const ffi::WGPUTextureUsages aUsage);
+
+ ExternalTexture(const uint32_t aWidth, const uint32_t aHeight,
+ const struct ffi::WGPUTextureFormat aFormat,
+ const ffi::WGPUTextureUsages aUsage);
+ virtual ~ExternalTexture();
+
+ virtual void* GetExternalTextureHandle() { return nullptr; }
+
+ virtual Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor(
+ Maybe<gfx::FenceInfo>& aFenceInfo) = 0;
+
+ virtual void GetSnapshot(const ipc::Shmem& aDestShmem,
+ const gfx::IntSize& aSize) {}
+
+ gfx::IntSize GetSize() { return gfx::IntSize(mWidth, mHeight); }
+
+ void SetSubmissionIndex(uint64_t aSubmissionIndex);
+ uint64_t GetSubmissionIndex() const { return mSubmissionIndex; }
+
+ const uint32_t mWidth;
+ const uint32_t mHeight;
+ const struct ffi::WGPUTextureFormat mFormat;
+ const ffi::WGPUTextureUsages mUsage;
+
+ protected:
+ uint64_t mSubmissionIndex = 0;
+};
+
+} // namespace webgpu
+} // namespace mozilla
+
+#endif // GPU_ExternalTexture_H_