1 files changed, 89 insertions, 0 deletions
diff --git a/gfx/layers/basic/MacIOSurfaceTextureHostBasic.cpp b/gfx/layers/basic/MacIOSurfaceTextureHostBasic.cpp
new file mode 100644
index 0000000000..1de9ea8246
--- /dev/null
+++ b/gfx/layers/basic/MacIOSurfaceTextureHostBasic.cpp
@@ -0,0 +1,89 @@
+/* -*- 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 "MacIOSurfaceTextureHostBasic.h"
+#include "mozilla/gfx/MacIOSurface.h"
+#include "MacIOSurfaceHelpers.h"
+
+namespace mozilla {
+namespace layers {
+
+MacIOSurfaceTextureSourceBasic::MacIOSurfaceTextureSourceBasic(
+    MacIOSurface* aSurface)
+    : mSurface(aSurface) {
+  MOZ_COUNT_CTOR(MacIOSurfaceTextureSourceBasic);
+}
+
+MacIOSurfaceTextureSourceBasic::~MacIOSurfaceTextureSourceBasic() {
+  MOZ_COUNT_DTOR(MacIOSurfaceTextureSourceBasic);
+}
+
+gfx::IntSize MacIOSurfaceTextureSourceBasic::GetSize() const {
+  return gfx::IntSize(mSurface->GetDevicePixelWidth(),
+                      mSurface->GetDevicePixelHeight());
+}
+
+gfx::SurfaceFormat MacIOSurfaceTextureSourceBasic::GetFormat() const {
+  // Set the format the same way as CreateSourceSurfaceFromMacIOSurface.
+  return mSurface->GetFormat() == gfx::SurfaceFormat::NV12
+             ? gfx::SurfaceFormat::B8G8R8X8
+             : gfx::SurfaceFormat::B8G8R8A8;
+}
+
+MacIOSurfaceTextureHostBasic::MacIOSurfaceTextureHostBasic(
+    TextureFlags aFlags, const SurfaceDescriptorMacIOSurface& aDescriptor)
+    : TextureHost(aFlags) {
+  mSurface = MacIOSurface::LookupSurface(
+      aDescriptor.surfaceId(), aDescriptor.scaleFactor(),
+      !aDescriptor.isOpaque(), aDescriptor.yUVColorSpace());
+}
+
+gfx::SourceSurface* MacIOSurfaceTextureSourceBasic::GetSurface(
+    gfx::DrawTarget* aTarget) {
+  if (!mSourceSurface) {
+    mSourceSurface = CreateSourceSurfaceFromMacIOSurface(mSurface);
+  }
+  return mSourceSurface;
+}
+
+bool MacIOSurfaceTextureHostBasic::Lock() {
+  if (!mProvider) {
+    return false;
+  }
+
+  if (!mTextureSource) {
+    mTextureSource = new MacIOSurfaceTextureSourceBasic(mSurface);
+  }
+  return true;
+}
+
+void MacIOSurfaceTextureHostBasic::SetTextureSourceProvider(
+    TextureSourceProvider* aProvider) {
+  if (!aProvider->AsCompositor() ||
+      !aProvider->AsCompositor()->AsBasicCompositor()) {
+    mTextureSource = nullptr;
+    return;
+  }
+
+  mProvider = aProvider;
+
+  if (mTextureSource) {
+    mTextureSource->SetTextureSourceProvider(aProvider);
+  }
+}
+
+gfx::SurfaceFormat MacIOSurfaceTextureHostBasic::GetFormat() const {
+  return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8
+                              : gfx::SurfaceFormat::B8G8R8X8;
+}
+
+gfx::IntSize MacIOSurfaceTextureHostBasic::GetSize() const {
+  return gfx::IntSize(mSurface->GetDevicePixelWidth(),
+                      mSurface->GetDevicePixelHeight());
+}
+
+}  // namespace layers
+}  // namespace mozilla