Index: third_party/WebKit/Source/platform/graphics/MailboxTextureHolder.h |
diff --git a/third_party/WebKit/Source/platform/graphics/MailboxTextureHolder.h b/third_party/WebKit/Source/platform/graphics/MailboxTextureHolder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..893aa0fe4926228bd3f824a35d9926d664cc819b |
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+++ b/third_party/WebKit/Source/platform/graphics/MailboxTextureHolder.h |
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+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef MailboxTextureHolder_h |
+#define MailboxTextureHolder_h |
+ |
+#include "platform/PlatformExport.h" |
+#include "platform/graphics/TextureHolder.h" |
+#include "third_party/khronos/GLES2/gl2.h" |
+ |
+namespace gpu { |
+namespace gles2 { |
+class GLES2Interface; |
+} |
+} |
+ |
+namespace blink { |
+ |
+class SkiaTextureHolder; |
+ |
+class PLATFORM_EXPORT MailboxTextureHolder final : public TextureHolder { |
+ public: |
+ ~MailboxTextureHolder() override; |
+ |
+ bool isSkiaTextureHolder() final { return false; } |
+ unsigned sharedContextId() final; |
+ gpu::Mailbox getMailbox() final { return m_mailbox; } |
+ gpu::SyncToken getSyncToken() final { return m_syncToken; } |
+ IntSize getMailboxSize() final { return m_size; } |
+ void releaseImageThreadSafe() final {} |
+ sk_sp<SkImage> getSkImage() final { return nullptr; } |
+ WebThread* getImageThread() final; |
+ IntSize size() const final { return m_size; } |
+ void setSharedContextId(unsigned contextId) final {} |
+ void setImageThread(WebThread* thread) final {} |
+ void updateSyncToken(gpu::SyncToken syncToken) final { |
+ m_syncToken = syncToken; |
+ } |
+ |
+ // In WebGL's commit or transferToImageBitmap calls, it will call the |
+ // DrawingBuffer::transferToStaticBitmapImage function, which produces the |
+ // input parameters for this method. |
+ MailboxTextureHolder(const gpu::Mailbox&, |
+ const gpu::SyncToken&, |
+ unsigned textureId, |
+ gpu::gles2::GLES2Interface*, |
+ IntSize mailboxSize); |
+ // This function turns a texture-backed SkImage into a mailbox and a |
+ // syncToken. |
+ MailboxTextureHolder(sk_sp<SkImage>); |
+ |
+ private: |
+ gpu::Mailbox m_mailbox; |
+ gpu::SyncToken m_syncToken; |
+ unsigned m_textureId; |
+ gpu::gles2::GLES2Interface* m_gl; |
+ IntSize m_size; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // MailboxTextureHolder_h |