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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/layers/client/CanvasClient.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/client/CanvasClient.h')
-rw-r--r-- | gfx/layers/client/CanvasClient.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gfx/layers/client/CanvasClient.h b/gfx/layers/client/CanvasClient.h new file mode 100644 index 0000000000..2136e6f652 --- /dev/null +++ b/gfx/layers/client/CanvasClient.h @@ -0,0 +1,71 @@ +/* -*- 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/. */ + +#ifndef MOZILLA_GFX_CANVASCLIENT_H +#define MOZILLA_GFX_CANVASCLIENT_H + +#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc +#include "mozilla/Attributes.h" // for override +#include "mozilla/RefPtr.h" // for RefPtr, already_AddRefed +#include "mozilla/layers/CompositableClient.h" // for CompositableClient +#include "mozilla/layers/CompositorTypes.h" // for TextureInfo, etc +#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor +#include "mozilla/layers/TextureClient.h" // for TextureClient, etc +#include "mozilla/layers/PersistentBufferProvider.h" + +#include "mozilla/MaybeOneOf.h" + +#include "mozilla/mozalloc.h" // for operator delete + +#include "mozilla/gfx/Point.h" // for IntSize +#include "mozilla/gfx/Types.h" // for SurfaceFormat + +namespace mozilla { +namespace layers { + +class CompositableForwarder; + +/** + * Compositable client for 2d and webgl canvas. + */ +class CanvasClient final : public CompositableClient { + int32_t mFrameID = 0; + RefPtr<TextureClient> mFrontBuffer; + + public: + /** + * Creates, configures, and returns a new canvas client. If necessary, a + * message will be sent to the compositor to create a corresponding image + * host. + */ + CanvasClient(CompositableForwarder* aFwd, const TextureFlags flags) + : CompositableClient(aFwd, flags) {} + + virtual ~CanvasClient() = default; + + void Clear() { mFrontBuffer = nullptr; } + + bool AddTextureClient(TextureClient* aTexture) override { + ++mFrameID; + return CompositableClient::AddTextureClient(aTexture); + } + + TextureInfo GetTextureInfo() const override { + return TextureInfo(CompositableType::IMAGE, mTextureFlags); + } + + void OnDetach() override { Clear(); } + + RefPtr<TextureClient> CreateTextureClientForCanvas(gfx::SurfaceFormat, + gfx::IntSize, + TextureFlags); + void UseTexture(TextureClient*); +}; + +} // namespace layers +} // namespace mozilla + +#endif |