1 files changed, 120 insertions, 0 deletions
diff --git a/gfx/layers/opengl/MacIOSurfaceTextureClientOGL.cpp b/gfx/layers/opengl/MacIOSurfaceTextureClientOGL.cpp
new file mode 100644
index 0000000000..9a14daacc7
--- /dev/null
+++ b/gfx/layers/opengl/MacIOSurfaceTextureClientOGL.cpp
@@ -0,0 +1,120 @@
+/* -*- 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 "MacIOSurfaceTextureClientOGL.h"
+#include "mozilla/gfx/MacIOSurface.h"
+#include "MacIOSurfaceHelpers.h"
+#include "gfxPlatform.h"
+
+namespace mozilla {
+namespace layers {
+
+using namespace gfx;
+
+MacIOSurfaceTextureData::MacIOSurfaceTextureData(MacIOSurface* aSurface,
+                                                 BackendType aBackend)
+    : mSurface(aSurface), mBackend(aBackend) {
+  MOZ_ASSERT(mSurface);
+}
+
+MacIOSurfaceTextureData::~MacIOSurfaceTextureData() = default;
+
+// static
+MacIOSurfaceTextureData* MacIOSurfaceTextureData::Create(MacIOSurface* aSurface,
+                                                         BackendType aBackend) {
+  MOZ_ASSERT(aSurface);
+  if (!aSurface) {
+    return nullptr;
+  }
+  return new MacIOSurfaceTextureData(aSurface, aBackend);
+}
+
+MacIOSurfaceTextureData* MacIOSurfaceTextureData::Create(const IntSize& aSize,
+                                                         SurfaceFormat aFormat,
+                                                         BackendType aBackend) {
+  if (aFormat != SurfaceFormat::B8G8R8A8 &&
+      aFormat != SurfaceFormat::B8G8R8X8) {
+    return nullptr;
+  }
+
+  RefPtr<MacIOSurface> surf = MacIOSurface::CreateIOSurface(
+      aSize.width, aSize.height, aFormat == SurfaceFormat::B8G8R8A8);
+  if (!surf) {
+    return nullptr;
+  }
+
+  return Create(surf, aBackend);
+}
+
+bool MacIOSurfaceTextureData::Serialize(SurfaceDescriptor& aOutDescriptor) {
+  aOutDescriptor = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
+                                                 !mSurface->HasAlpha(),
+                                                 mSurface->GetYUVColorSpace());
+  return true;
+}
+
+void MacIOSurfaceTextureData::GetSubDescriptor(
+    RemoteDecoderVideoSubDescriptor* const aOutDesc) {
+  *aOutDesc = SurfaceDescriptorMacIOSurface(mSurface->GetIOSurfaceID(),
+                                            !mSurface->HasAlpha(),
+                                            mSurface->GetYUVColorSpace());
+}
+
+void MacIOSurfaceTextureData::FillInfo(TextureData::Info& aInfo) const {
+  aInfo.size = gfx::IntSize(mSurface->GetDevicePixelWidth(),
+                            mSurface->GetDevicePixelHeight());
+  aInfo.format =
+      mSurface->HasAlpha() ? SurfaceFormat::B8G8R8A8 : SurfaceFormat::B8G8R8X8;
+  aInfo.hasSynchronization = false;
+  aInfo.supportsMoz2D = true;
+  aInfo.canExposeMappedData = false;
+}
+
+bool MacIOSurfaceTextureData::Lock(OpenMode) {
+  mSurface->Lock(false);
+  return true;
+}
+
+void MacIOSurfaceTextureData::Unlock() { mSurface->Unlock(false); }
+
+already_AddRefed<DataSourceSurface> MacIOSurfaceTextureData::GetAsSurface() {
+  RefPtr<SourceSurface> surf = CreateSourceSurfaceFromMacIOSurface(mSurface);
+  return surf->GetDataSurface();
+}
+
+already_AddRefed<DrawTarget> MacIOSurfaceTextureData::BorrowDrawTarget() {
+  MOZ_ASSERT(mBackend != BackendType::NONE);
+  if (mBackend == BackendType::NONE) {
+    // shouldn't happen, but degrade gracefully
+    return nullptr;
+  }
+  return Factory::CreateDrawTargetForData(
+      mBackend, (unsigned char*)mSurface->GetBaseAddress(),
+      IntSize(mSurface->GetWidth(), mSurface->GetHeight()),
+      mSurface->GetBytesPerRow(),
+      mSurface->HasAlpha() ? SurfaceFormat::B8G8R8A8 : SurfaceFormat::B8G8R8X8,
+      true);
+}
+
+void MacIOSurfaceTextureData::Deallocate(LayersIPCChannel*) {
+  mSurface = nullptr;
+}
+
+void MacIOSurfaceTextureData::Forget(LayersIPCChannel*) { mSurface = nullptr; }
+
+bool MacIOSurfaceTextureData::UpdateFromSurface(gfx::SourceSurface* aSurface) {
+  RefPtr<DrawTarget> dt = BorrowDrawTarget();
+  if (!dt) {
+    return false;
+  }
+
+  dt->CopySurface(aSurface, IntRect(IntPoint(), aSurface->GetSize()),
+                  IntPoint());
+  return true;
+}
+
+}  // namespace layers
+}  // namespace mozilla