1 files changed, 75 insertions, 0 deletions
diff --git a/gfx/layers/DMABUFSurfaceImage.cpp b/gfx/layers/DMABUFSurfaceImage.cpp
new file mode 100644
index 0000000000..46c9655494
--- /dev/null
+++ b/gfx/layers/DMABUFSurfaceImage.cpp
@@ -0,0 +1,75 @@
+/* -*- 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/. */
+
+#include "DMABUFSurfaceImage.h"
+#include "mozilla/widget/DMABufSurface.h"
+#include "mozilla/layers/CompositableClient.h"
+#include "mozilla/layers/CompositableForwarder.h"
+#include "mozilla/layers/DMABUFTextureClientOGL.h"
+#include "mozilla/layers/TextureForwarder.h"
+#include "mozilla/ScopeExit.h"
+#include "mozilla/StaticMutex.h"
+#include "GLContext.h"
+#include "GLContextProvider.h"
+#include "GLBlitHelper.h"
+#include "GLReadTexImageHelper.h"
+#include "GLContextTypes.h"  // for GLContext, etc
+#include "GLContextEGL.h"
+#include "GLContextProvider.h"
+#include "ScopedGLHelpers.h"
+
+using namespace mozilla;
+using namespace mozilla::layers;
+using namespace mozilla::gfx;
+using namespace mozilla::gl;
+
+#ifdef MOZ_LOGGING
+#  undef DMABUF_LOG
+extern mozilla::LazyLogModule gDmabufLog;
+#  define DMABUF_LOG(str, ...) \
+    MOZ_LOG(gDmabufLog, mozilla::LogLevel::Debug, (str, ##__VA_ARGS__))
+#else
+#  define DMABUF_LOG(args)
+#endif /* MOZ_LOGGING */
+
+DMABUFSurfaceImage::DMABUFSurfaceImage(DMABufSurface* aSurface)
+    : Image(nullptr, ImageFormat::DMABUF), mSurface(aSurface) {
+  DMABUF_LOG("DMABUFSurfaceImage::DMABUFSurfaceImage (%p) aSurface %p UID %d\n",
+             this, aSurface, aSurface->GetUID());
+  mSurface->GlobalRefAdd();
+}
+
+DMABUFSurfaceImage::~DMABUFSurfaceImage() {
+  DMABUF_LOG(
+      "DMABUFSurfaceImage::~DMABUFSurfaceImage (%p) mSurface %p UID %d\n", this,
+      (void*)mSurface.get(), mSurface->GetUID());
+  mSurface->GlobalRefRelease();
+}
+
+already_AddRefed<gfx::SourceSurface> DMABUFSurfaceImage::GetAsSourceSurface() {
+  return mSurface->GetAsSourceSurface();
+}
+
+nsresult DMABUFSurfaceImage::BuildSurfaceDescriptorBuffer(
+    SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
+    const std::function<MemoryOrShmem(uint32_t)>& aAllocate) {
+  return mSurface->BuildSurfaceDescriptorBuffer(aSdBuffer, aFlags, aAllocate);
+}
+
+TextureClient* DMABUFSurfaceImage::GetTextureClient(
+    KnowsCompositor* aKnowsCompositor) {
+  if (!mTextureClient) {
+    BackendType backend = BackendType::NONE;
+    mTextureClient = TextureClient::CreateWithData(
+        DMABUFTextureData::Create(mSurface, backend), TextureFlags::DEFAULT,
+        aKnowsCompositor->GetTextureForwarder());
+  }
+  return mTextureClient;
+}
+
+gfx::IntSize DMABUFSurfaceImage::GetSize() const {
+  return gfx::IntSize::Truncate(mSurface->GetWidth(), mSurface->GetHeight());
+}